FFmpeg  4.3.9
mxfenc.c
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1 /*
2  * MXF muxer
3  * Copyright (c) 2008 GUCAS, Zhentan Feng <spyfeng at gmail dot com>
4  * Copyright (c) 2008 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
5  *
6  * This file is part of FFmpeg.
7  *
8  * FFmpeg is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * FFmpeg is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with FFmpeg; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 /*
24  * signal_standard, color_siting, store_user_comments, sample rate and klv_fill_key version
25  * fixes sponsored by NOA GmbH
26  */
27 
28 /*
29  * References
30  * SMPTE 336M KLV Data Encoding Protocol Using Key-Length-Value
31  * SMPTE 377M MXF File Format Specifications
32  * SMPTE 379M MXF Generic Container
33  * SMPTE 381M Mapping MPEG Streams into the MXF Generic Container
34  * SMPTE 422M Mapping JPEG 2000 Codestreams into the MXF Generic Container
35  * SMPTE RP210: SMPTE Metadata Dictionary
36  * SMPTE RP224: Registry of SMPTE Universal Labels
37  */
38 
39 #include <inttypes.h>
40 #include <math.h>
41 #include <time.h>
42 
43 #include "libavutil/opt.h"
44 #include "libavutil/random_seed.h"
45 #include "libavutil/timecode.h"
46 #include "libavutil/avassert.h"
47 #include "libavutil/pixdesc.h"
49 #include "libavcodec/bytestream.h"
50 #include "libavcodec/dnxhddata.h"
51 #include "libavcodec/dv_profile.h"
52 #include "libavcodec/h264_ps.h"
53 #include "libavcodec/golomb.h"
54 #include "libavcodec/internal.h"
55 #include "avformat.h"
56 #include "avio_internal.h"
57 #include "internal.h"
58 #include "avc.h"
59 #include "mxf.h"
60 #include "config.h"
61 
64 
65 #define EDIT_UNITS_PER_BODY 250
66 #define KAG_SIZE 512
67 
68 typedef struct MXFLocalTagPair {
69  int local_tag;
72 
73 typedef struct MXFIndexEntry {
74  uint64_t offset;
75  unsigned slice_offset; ///< offset of audio slice
76  uint16_t temporal_ref;
79 
80 typedef struct MXFStreamContext {
81  int64_t pkt_cnt; ///< pkt counter for muxed packets
83  int index; ///< index in mxf_essence_container_uls table
84  const UID *codec_ul;
85  const UID *container_ul;
86  int order; ///< interleaving order if dts are equal
87  int interlaced; ///< whether picture is interlaced
88  int field_dominance; ///< tff=1, bff=2
95  AVRational aspect_ratio; ///< display aspect ratio
96  int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing
99  int frame_size; ///< frame size in bytes
100  int seq_closed_gop; ///< all gops in sequence are closed, used in mpeg-2 descriptor
101  int max_gop; ///< maximum gop size, used by mpeg-2 descriptor
102  int b_picture_count; ///< maximum number of consecutive b pictures, used in mpeg-2 descriptor
103  int low_delay; ///< low delay, used in mpeg-2 descriptor
106 
107 typedef struct MXFContainerEssenceEntry {
111  void (*write_desc)(AVFormatContext *, AVStream *);
113 
114 typedef struct MXFPackage {
115  char *name;
117  int instance;
118  struct MXFPackage *ref;
119 } MXFPackage;
120 
121 enum ULIndex {
133 };
134 
135 static const struct {
136  enum AVCodecID id;
138 } mxf_essence_mappings[] = {
141  { AV_CODEC_ID_PCM_S16LE, INDEX_AES3 },
147  { AV_CODEC_ID_NONE }
148 };
149 
150 static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st);
151 static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st);
153 static void mxf_write_h264_desc(AVFormatContext *s, AVStream *st);
154 static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st);
157 
159  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 },
160  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
161  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
163  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },
164  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x03,0x00 },
165  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
167  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },
168  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x16,0x01,0x01,0x00 },
169  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
171  // D-10 Video
172  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
173  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x05,0x01,0x01,0x00 },
174  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 },
176  // D-10 Audio
177  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },
178  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x06,0x01,0x10,0x00 },
179  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 },
181  // DV
182  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x7F,0x01 },
183  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x18,0x01,0x01,0x00 },
184  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x00,0x00,0x00 },
186  // DNxHD
187  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
188  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
189  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
191  // JPEG2000
192  { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 },
193  { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x08,0x00 },
194  { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 },
196  // H.264
197  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x10,0x60,0x01 },
198  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
199  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x00,0x00,0x00 },
201  // S436M ANC
202  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x0D,0x01,0x03,0x01,0x02,0x0e,0x00,0x00 },
203  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x17,0x01,0x02,0x00 },
204  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x01,0x5C,0x00 },
206  // ProRes
207  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x0d,0x01,0x03,0x01,0x02,0x1c,0x01,0x00 },
208  { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01,0x15,0x01,0x17,0x00 },
209  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x03,0x00 },
211  { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
212  { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
213  { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },
214  NULL },
215 };
216 
217 static const UID mxf_d10_codec_uls[] = {
218  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x01 }, // D-10 625/50 PAL 50mb/s
219  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x02 }, // D-10 525/50 NTSC 50mb/s
220  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x03 }, // D-10 625/50 PAL 40mb/s
221  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x04 }, // D-10 525/50 NTSC 40mb/s
222  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x05 }, // D-10 625/50 PAL 30mb/s
223  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x01,0x02,0x01,0x06 }, // D-10 525/50 NTSC 30mb/s
224 };
225 
226 static const UID mxf_d10_container_uls[] = {
227  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 }, // D-10 625/50 PAL 50mb/s
228  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 }, // D-10 525/50 NTSC 50mb/s
229  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 }, // D-10 625/50 PAL 40mb/s
230  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 }, // D-10 525/50 NTSC 40mb/s
231  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 }, // D-10 625/50 PAL 30mb/s
232  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 }, // D-10 525/50 NTSC 30mb/s
233 };
234 
235 typedef struct MXFContext {
243  uint64_t timestamp; ///< timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
244  uint8_t slice_count; ///< index slice count minus 1 (1 if no audio, 0 otherwise)
248  int last_key_index; ///< index of last key frame
249  uint64_t duration;
250  AVTimecode tc; ///< timecode context
252  int timecode_base; ///< rounded time code base (25 or 30)
253  int edit_unit_byte_count; ///< fixed edit unit byte count
254  int content_package_rate; ///< content package rate in system element, see SMPTE 326M
255  uint64_t body_offset;
256  uint32_t instance_number;
257  uint8_t umid[16]; ///< unique material identifier
263  int track_instance_count; // used to generate MXFTrack uuids
264  int cbr_index; ///< use a constant bitrate index
265 } MXFContext;
266 
267 static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd };
268 static const uint8_t umid_ul[] = { 0x06,0x0A,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x01,0x0D,0x00,0x13 };
269 
270 /**
271  * complete key for operation pattern, partitions, and primer pack
272  */
273 static const uint8_t op1a_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x01,0x09,0x00 };
274 static const uint8_t opatom_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x02,0x01,0x10,0x03,0x00,0x00 };
275 static const uint8_t footer_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x04,0x04,0x00 }; // ClosedComplete
276 static const uint8_t primer_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x05,0x01,0x00 };
277 static const uint8_t index_table_segment_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x10,0x01,0x00 };
278 static const uint8_t random_index_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x11,0x01,0x00 };
279 static const uint8_t header_open_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x02,0x01,0x00 }; // OpenIncomplete
280 static const uint8_t header_closed_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x02,0x04,0x00 }; // ClosedComplete
281 static const uint8_t klv_fill_key[] = { 0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x10,0x01,0x00,0x00,0x00 };
282 static const uint8_t body_partition_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x02,0x01,0x01,0x03,0x04,0x00 }; // ClosedComplete
283 
284 /**
285  * partial key for header metadata
286  */
287 static const uint8_t header_metadata_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01 };
288 static const uint8_t multiple_desc_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x0D,0x01,0x03,0x01,0x02,0x7F,0x01,0x00 };
289 
290 /**
291  * SMPTE RP210 http://www.smpte-ra.org/mdd/index.html
292  * https://smpte-ra.org/sites/default/files/Labels.xml
293  */
295  // preface set
296  { 0x3C0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x02,0x00,0x00,0x00,0x00}}, /* Instance UID */
297  { 0x3B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x04,0x00,0x00}}, /* Last Modified Date */
298  { 0x3B05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x05,0x00,0x00,0x00}}, /* Version */
299  { 0x3B07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x01,0x02,0x01,0x04,0x00,0x00,0x00}}, /* Object Model Version */
300  { 0x3B06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x04,0x00,0x00}}, /* Identifications reference */
301  { 0x3B03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x01,0x00,0x00}}, /* Content Storage reference */
302  { 0x3B09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x03,0x00,0x00,0x00,0x00}}, /* Operational Pattern UL */
303  { 0x3B0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x01,0x00,0x00}}, /* Essence Containers UL batch */
304  { 0x3B0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x01,0x02,0x02,0x10,0x02,0x02,0x00,0x00}}, /* DM Schemes UL batch */
305  // Identification
306  { 0x3C09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x01,0x00,0x00,0x00}}, /* This Generation UID */
307  { 0x3C01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x02,0x01,0x00,0x00}}, /* Company Name */
308  { 0x3C02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x03,0x01,0x00,0x00}}, /* Product Name */
309  { 0x3C03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x04,0x00,0x00,0x00}}, /* Product Version */
310  { 0x3C04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x05,0x01,0x00,0x00}}, /* Version String */
311  { 0x3C05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x07,0x00,0x00,0x00}}, /* Product ID */
312  { 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
313  { 0x3C07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x0A,0x00,0x00,0x00}}, /* Toolkit Version */
314  { 0x3C08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x20,0x07,0x01,0x06,0x01,0x00,0x00}}, /* Platform */
315  // Content Storage
316  { 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
317  { 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
318  // Essence Container Data
319  { 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
320  { 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
321  // Package
322  { 0x4401, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x01,0x15,0x10,0x00,0x00,0x00,0x00}}, /* Package UID */
323  { 0x4405, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x01,0x03,0x00,0x00}}, /* Package Creation Date */
324  { 0x4404, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x05,0x00,0x00}}, /* Package Modified Date */
325  { 0x4402, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x01,0x03,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Package Name */
326  { 0x4403, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x05,0x00,0x00}}, /* Tracks Strong reference array */
327  { 0x4701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x03,0x00,0x00}}, /* Descriptor */
328  // Track
329  { 0x4801, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x07,0x01,0x01,0x00,0x00,0x00,0x00}}, /* Track ID */
330  { 0x4804, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x01,0x04,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Track Number */
331  { 0x4B01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x05,0x30,0x04,0x05,0x00,0x00,0x00,0x00}}, /* Edit Rate */
332  { 0x4B02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x03,0x00,0x00}}, /* Origin */
333  { 0x4803, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x02,0x04,0x00,0x00}}, /* Sequence reference */
334  // Sequence
335  { 0x0201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x07,0x01,0x00,0x00,0x00,0x00,0x00}}, /* Data Definition UL */
336  { 0x0202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x02,0x01,0x01,0x03,0x00,0x00}}, /* Duration */
337  { 0x1001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x06,0x09,0x00,0x00}}, /* Structural Components reference array */
338  // Source Clip
339  { 0x1201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x04,0x00,0x00}}, /* Start position */
340  { 0x1101, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x01,0x00,0x00,0x00}}, /* SourcePackageID */
341  { 0x1102, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x03,0x02,0x00,0x00,0x00}}, /* SourceTrackID */
342  // Timecode Component
343  { 0x1501, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x03,0x01,0x05,0x00,0x00}}, /* Start Time Code */
344  { 0x1502, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x04,0x01,0x01,0x02,0x06,0x00,0x00}}, /* Rounded Time Code Base */
345  { 0x1503, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x04,0x01,0x01,0x05,0x00,0x00,0x00}}, /* Drop Frame */
346  // File Descriptor
347  { 0x3F01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x04,0x06,0x0B,0x00,0x00}}, /* Sub Descriptors reference array */
348  { 0x3006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x06,0x01,0x01,0x03,0x05,0x00,0x00,0x00}}, /* Linked Track ID */
349  { 0x3001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x01,0x00,0x00,0x00,0x00}}, /* SampleRate */
350  { 0x3002, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x06,0x01,0x02,0x00,0x00,0x00,0x00}}, /* ContainerDuration */
351  { 0x3004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x01,0x02,0x00,0x00}}, /* Essence Container */
352  // Generic Picture Essence Descriptor
353  { 0x320C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Frame Layout */
354  { 0x320D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x02,0x05,0x00,0x00,0x00}}, /* Video Line Map */
355  { 0x3203, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x02,0x00,0x00,0x00}}, /* Stored Width */
356  { 0x3202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x02,0x01,0x00,0x00,0x00}}, /* Stored Height */
357  { 0x3216, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x03,0x02,0x08,0x00,0x00,0x00}}, /* Stored F2 Offset */
358  { 0x3205, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x08,0x00,0x00,0x00}}, /* Sampled Width */
359  { 0x3204, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x07,0x00,0x00,0x00}}, /* Sampled Height */
360  { 0x3206, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x09,0x00,0x00,0x00}}, /* Sampled X Offset */
361  { 0x3207, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0A,0x00,0x00,0x00}}, /* Sampled Y Offset */
362  { 0x3209, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0C,0x00,0x00,0x00}}, /* Display Width */
363  { 0x3208, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0B,0x00,0x00,0x00}}, /* Display Height */
364  { 0x320A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0D,0x00,0x00,0x00}}, /* Display X offset */
365  { 0x320B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0E,0x00,0x00,0x00}}, /* Presentation Y offset */
366  { 0x3217, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x03,0x02,0x07,0x00,0x00,0x00}}, /* Display F2 offset */
367  { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
368  { 0x3210, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x02,0x01,0x01,0x01,0x02,0x00}}, /* Transfer characteristic */
369  { 0x3213, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x02,0x00,0x00,0x00,0x00}}, /* Image Start Offset */
370  { 0x3214, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Image End Offset */
371  { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
372  { 0x3212, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x03,0x01,0x06,0x00,0x00,0x00}}, /* Field Dominance (Opt) */
373  { 0x3215, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x05,0x01,0x13,0x00,0x00,0x00,0x00}}, /* Signal Standard */
374  // CDCI Picture Essence Descriptor
375  { 0x3301, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x0A,0x00,0x00,0x00}}, /* Component Depth */
376  { 0x3302, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x05,0x00,0x00,0x00}}, /* Horizontal Subsampling */
377  { 0x3308, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x01,0x10,0x00,0x00,0x00}}, /* Vertical Subsampling */
378  { 0x3303, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x06,0x00,0x00,0x00}}, /* Color Siting */
379  { 0x3307, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x04,0x00,0x00,0x00,0x00}}, /* Padding Bits */
380  { 0x3304, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x03,0x03,0x00,0x00,0x00}}, /* Black Ref level */
381  { 0x3305, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x03,0x04,0x00,0x00,0x00}}, /* White Ref level */
382  { 0x3306, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x05,0x03,0x05,0x00,0x00,0x00}}, /* Color Range */
383  // Generic Sound Essence Descriptor
384  { 0x3D02, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x01,0x04,0x00,0x00,0x00}}, /* Locked/Unlocked */
385  { 0x3D03, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x01,0x01,0x01,0x00,0x00}}, /* Audio sampling rate */
386  { 0x3D04, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x02,0x01,0x01,0x03,0x00,0x00,0x00}}, /* Audio Ref Level */
387  { 0x3D07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x01,0x01,0x04,0x00,0x00,0x00}}, /* ChannelCount */
388  { 0x3D01, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x02,0x03,0x03,0x04,0x00,0x00,0x00}}, /* Quantization bits */
389  { 0x3D06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x02,0x04,0x02,0x00,0x00,0x00,0x00}}, /* Sound Essence Compression */
390  // Index Table Segment
391  { 0x3F0B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x05,0x30,0x04,0x06,0x00,0x00,0x00,0x00}}, /* Index Edit Rate */
392  { 0x3F0C, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x01,0x03,0x01,0x0A,0x00,0x00}}, /* Index Start Position */
393  { 0x3F0D, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x07,0x02,0x02,0x01,0x01,0x02,0x00,0x00}}, /* Index Duration */
394  { 0x3F05, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x06,0x02,0x01,0x00,0x00,0x00,0x00}}, /* Edit Unit Byte Count */
395  { 0x3F06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x05,0x00,0x00,0x00,0x00}}, /* IndexSID */
396  { 0x3F08, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x04,0x04,0x04,0x01,0x01,0x00,0x00,0x00}}, /* Slice Count */
397  { 0x3F09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x01,0x06,0x00,0x00,0x00}}, /* Delta Entry Array */
398  { 0x3F0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x04,0x04,0x02,0x05,0x00,0x00,0x00}}, /* Index Entry Array */
399  // MPEG video Descriptor
400  { 0x8000, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0B,0x00,0x00}}, /* BitRate */
401  { 0x8003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x05,0x00,0x00}}, /* LowDelay */
402  { 0x8004, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x06,0x00,0x00}}, /* ClosedGOP */
403  { 0x8006, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x08,0x00,0x00}}, /* MaxGOP */
404  { 0x8007, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x0A,0x00,0x00}}, /* ProfileAndLevel */
405  { 0x8008, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x06,0x02,0x01,0x09,0x00,0x00}}, /* BPictureCount */
406  // Wave Audio Essence Descriptor
407  { 0x3D09, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x03,0x05,0x00,0x00,0x00}}, /* Average Bytes Per Second */
408  { 0x3D0A, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x02,0x03,0x02,0x01,0x00,0x00,0x00}}, /* Block Align */
409 };
410 
412  { 0x8100, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x09,0x06,0x01,0x01,0x04,0x06,0x10,0x00,0x00}}, /* SubDescriptors */
413  { 0x8200, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0E,0x00,0x00}}, /* AVC Decoding Delay */
414  { 0x8201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0A,0x00,0x00}}, /* AVC Profile */
415  { 0x8202, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x0E,0x04,0x01,0x06,0x06,0x01,0x0D,0x00,0x00}}, /* AVC Level */
416 };
417 
419  { 0x4406, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0C,0x00,0x00,0x00}}, /* User Comments */
420  { 0x5001, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x09,0x01,0x00,0x00}}, /* Name */
421  { 0x5003, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x03,0x02,0x01,0x02,0x0A,0x01,0x00,0x00}}, /* Value */
422 };
423 
425 {
426  avio_write(pb, uuid_base, 12);
427  avio_wb16(pb, type);
428  avio_wb16(pb, value);
429 }
430 
431 static void mxf_write_umid(AVFormatContext *s, int type)
432 {
433  MXFContext *mxf = s->priv_data;
434  avio_write(s->pb, umid_ul, 13);
435  avio_wb24(s->pb, mxf->instance_number);
436  avio_write(s->pb, mxf->umid, 15);
437  avio_w8(s->pb, type);
438 }
439 
440 static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
441 {
442  avio_wb32(pb, ref_count);
443  avio_wb32(pb, 16);
444 }
445 
446 static int klv_ber_length(uint64_t len)
447 {
448  if (len < 128)
449  return 1;
450  else
451  return (av_log2(len) >> 3) + 2;
452 }
453 
454 static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
455 {
456  // Determine the best BER size
457  int size = klv_ber_length(len);
458  if (size == 1) {
459  //short form
460  avio_w8(pb, len);
461  return 1;
462  }
463 
464  size --;
465  // long form
466  avio_w8(pb, 0x80 + size);
467  while(size) {
468  size--;
469  avio_w8(pb, len >> 8 * size & 0xff);
470  }
471  return 0;
472 }
473 
475 {
476  avio_w8(pb, 0x80 + 3);
477  avio_wb24(pb, len);
478 }
479 
480 static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
481 {
482  avio_w8(pb, 0x80 + 8);
483  avio_wb64(pb, len);
484 }
485 
486 /*
487  * Get essence container ul index
488  */
490 {
491  int i;
492  for (i = 0; mxf_essence_mappings[i].id; i++)
493  if (mxf_essence_mappings[i].id == id)
494  return mxf_essence_mappings[i].index;
495  return -1;
496 }
497 
498 static void mxf_write_local_tags(AVIOContext *pb, const MXFLocalTagPair *local_tags, int count)
499 {
500  int i;
501  for (i = 0; i < count; i++) {
502  avio_wb16(pb, local_tags[i].local_tag);
503  avio_write(pb, local_tags[i].uid, 16);
504  }
505 }
506 
508 {
509  MXFContext *mxf = s->priv_data;
510  AVIOContext *pb = s->pb;
511  int local_tag_number, i = 0;
512  int avc_tags_count = 0;
513 
514  local_tag_number = FF_ARRAY_ELEMS(mxf_local_tag_batch);
515  local_tag_number += mxf->store_user_comments * FF_ARRAY_ELEMS(mxf_user_comments_local_tag);
516 
517  for (i = 0; i < s->nb_streams; i++) {
518  MXFStreamContext *sc = s->streams[i]->priv_data;
519  if (s->streams[i]->codecpar->codec_id == AV_CODEC_ID_H264 && !sc->avc_intra) {
520  avc_tags_count = FF_ARRAY_ELEMS(mxf_avc_subdescriptor_local_tags);
521  local_tag_number += avc_tags_count;
522  }
523  }
524 
525  avio_write(pb, primer_pack_key, 16);
526  klv_encode_ber_length(pb, local_tag_number * 18 + 8);
527 
528  avio_wb32(pb, local_tag_number); // local_tag num
529  avio_wb32(pb, 18); // item size, always 18 according to the specs
530 
531  for (i = 0; i < FF_ARRAY_ELEMS(mxf_local_tag_batch); i++) {
532  avio_wb16(pb, mxf_local_tag_batch[i].local_tag);
533  avio_write(pb, mxf_local_tag_batch[i].uid, 16);
534  }
535  if (mxf->store_user_comments)
536  for (i = 0; i < FF_ARRAY_ELEMS(mxf_user_comments_local_tag); i++) {
537  avio_wb16(pb, mxf_user_comments_local_tag[i].local_tag);
538  avio_write(pb, mxf_user_comments_local_tag[i].uid, 16);
539  }
540  if (avc_tags_count > 0)
541  mxf_write_local_tags(pb, mxf_avc_subdescriptor_local_tags, avc_tags_count);
542 }
543 
544 static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
545 {
546  avio_wb16(pb, tag);
547  avio_wb16(pb, size);
548 }
549 
550 static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
551 {
553  avio_wb24(pb, value);
554 }
555 
557 {
559  while (uls->uid[0]) {
560  if (type == uls->id)
561  break;
562  uls++;
563  }
564  return uls;
565 }
566 
567 //one EC -> one descriptor. N ECs -> MultipleDescriptor + N descriptors
568 #define DESCRIPTOR_COUNT(essence_container_count) \
569  (essence_container_count > 1 ? essence_container_count + 1 : essence_container_count)
570 
572 {
573  MXFContext *c = s->priv_data;
574  AVIOContext *pb = s->pb;
575  int i;
576 
578  av_log(s,AV_LOG_DEBUG, "essence container count:%d\n", c->essence_container_count);
579  for (i = 0; i < s->nb_streams; i++) {
580  MXFStreamContext *sc = s->streams[i]->priv_data;
581  // check first track of essence container type and only write it once
582  if (sc->track_essence_element_key[15] != 0)
583  continue;
584  avio_write(pb, *sc->container_ul, 16);
585  if (c->essence_container_count == 1)
586  break;
587  }
588 
589  if (c->essence_container_count > 1)
590  avio_write(pb, multiple_desc_ul, 16);
591 }
592 
594 {
595  MXFContext *mxf = s->priv_data;
596  AVIOContext *pb = s->pb;
597 
598  mxf_write_metadata_key(pb, 0x012f00);
599  PRINT_KEY(s, "preface key", pb->buf_ptr - 16);
601 
602  // write preface set uid
603  mxf_write_local_tag(pb, 16, 0x3C0A);
604  mxf_write_uuid(pb, Preface, 0);
605  PRINT_KEY(s, "preface uid", pb->buf_ptr - 16);
606 
607  // last modified date
608  mxf_write_local_tag(pb, 8, 0x3B02);
609  avio_wb64(pb, mxf->timestamp);
610 
611  // write version
612  mxf_write_local_tag(pb, 2, 0x3B05);
613  avio_wb16(pb, 259); // v1.3
614 
615  // Object Model Version
616  mxf_write_local_tag(pb, 4, 0x3B07);
617  avio_wb32(pb, 1);
618 
619  // write identification_refs
620  mxf_write_local_tag(pb, 16 + 8, 0x3B06);
621  mxf_write_refs_count(pb, 1);
623 
624  // write content_storage_refs
625  mxf_write_local_tag(pb, 16, 0x3B03);
627 
628  // operational pattern
629  mxf_write_local_tag(pb, 16, 0x3B09);
630  if (s->oformat == &ff_mxf_opatom_muxer)
631  avio_write(pb, opatom_ul, 16);
632  else
633  avio_write(pb, op1a_ul, 16);
634 
635  // write essence_container_refs
636  mxf_write_local_tag(pb, 8 + 16LL * DESCRIPTOR_COUNT(mxf->essence_container_count), 0x3B0A);
638 
639  // write dm_scheme_refs
640  mxf_write_local_tag(pb, 8, 0x3B0B);
641  avio_wb64(pb, 0);
642 }
643 
644 /*
645  * Returns the length of the UTF-16 string, in 16-bit characters, that would result
646  * from decoding the utf-8 string.
647  */
648 static uint64_t mxf_utf16len(const char *utf8_str)
649 {
650  const uint8_t *q = utf8_str;
651  uint64_t size = 0;
652  while (*q) {
653  uint32_t ch;
654  GET_UTF8(ch, *q++, goto invalid;)
655  if (ch < 0x10000)
656  size++;
657  else
658  size += 2;
659  continue;
660 invalid:
661  av_log(NULL, AV_LOG_ERROR, "Invalid UTF8 sequence in mxf_utf16len\n\n");
662  }
663  size += 1;
664  return size;
665 }
666 
667 /*
668  * Returns the calculated length a local tag containing an utf-8 string as utf-16
669  */
670 static int mxf_utf16_local_tag_length(const char *utf8_str)
671 {
672  uint64_t size;
673 
674  if (!utf8_str)
675  return 0;
676 
677  size = mxf_utf16len(utf8_str);
678  if (size >= UINT16_MAX/2) {
679  av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
680  return 0;
681  }
682 
683  return 4 + size * 2;
684 }
685 
686 /*
687  * Write a local tag containing an utf-8 string as utf-16
688  */
689 static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
690 {
691  uint64_t size = mxf_utf16len(value);
692 
693  if (size >= UINT16_MAX/2) {
694  av_log(NULL, AV_LOG_ERROR, "utf16 local tag size %"PRIx64" invalid (too large), ignoring\n", size);
695  return;
696  }
697 
698  mxf_write_local_tag(pb, size*2, tag);
699  avio_put_str16be(pb, value);
700 }
701 
703  AVIOContext *pb = s->pb;
704 
705  if (s->flags & AVFMT_FLAG_BITEXACT) {
706  avio_wb16(pb, 0); // major
707  avio_wb16(pb, 0); // minor
708  avio_wb16(pb, 0); // tertiary
709  } else {
710  avio_wb16(pb, LIBAVFORMAT_VERSION_MAJOR); // major
711  avio_wb16(pb, LIBAVFORMAT_VERSION_MINOR); // minor
712  avio_wb16(pb, LIBAVFORMAT_VERSION_MICRO); // tertiary
713  }
714  avio_wb16(pb, 0); // patch
715  avio_wb16(pb, 0); // release
716 }
717 
719 {
720  MXFContext *mxf = s->priv_data;
721  AVIOContext *pb = s->pb;
722  const char *company = "FFmpeg";
723  const char *product = s->oformat != &ff_mxf_opatom_muxer ? "OP1a Muxer" : "OPAtom Muxer";
724  const char *version;
725  int length;
726 
727  mxf_write_metadata_key(pb, 0x013000);
728  PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
729 
730  version = s->flags & AVFMT_FLAG_BITEXACT ?
732  length = 100 +mxf_utf16_local_tag_length(company) +
733  mxf_utf16_local_tag_length(product) +
735  klv_encode_ber_length(pb, length);
736 
737  // write uid
738  mxf_write_local_tag(pb, 16, 0x3C0A);
740  PRINT_KEY(s, "identification uid", pb->buf_ptr - 16);
741 
742  // write generation uid
743  mxf_write_local_tag(pb, 16, 0x3C09);
745  mxf_write_local_tag_utf16(pb, 0x3C01, company); // Company Name
746  mxf_write_local_tag_utf16(pb, 0x3C02, product); // Product Name
747 
748  mxf_write_local_tag(pb, 10, 0x3C03); // Product Version
749  store_version(s);
750 
751  mxf_write_local_tag_utf16(pb, 0x3C04, version); // Version String
752 
753  // write product uid
754  mxf_write_local_tag(pb, 16, 0x3C05);
756 
757  // modification date
758  mxf_write_local_tag(pb, 8, 0x3C06);
759  avio_wb64(pb, mxf->timestamp);
760 
761  mxf_write_local_tag(pb, 10, 0x3C07); // Toolkit Version
762  store_version(s);
763 }
764 
765 static void mxf_write_content_storage(AVFormatContext *s, MXFPackage *packages, int package_count)
766 {
767  AVIOContext *pb = s->pb;
768  int i;
769 
770  mxf_write_metadata_key(pb, 0x011800);
771  PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
772  klv_encode_ber_length(pb, 60 + (16 * package_count));
773 
774  // write uid
775  mxf_write_local_tag(pb, 16, 0x3C0A);
777  PRINT_KEY(s, "content storage uid", pb->buf_ptr - 16);
778 
779  // write package reference
780  mxf_write_local_tag(pb, 16 * package_count + 8, 0x1901);
781  mxf_write_refs_count(pb, package_count);
782  for (i = 0; i < package_count; i++) {
783  mxf_write_uuid(pb, packages[i].type, packages[i].instance);
784  }
785 
786  // write essence container data
787  mxf_write_local_tag(pb, 8 + 16, 0x1902);
788  mxf_write_refs_count(pb, 1);
790 }
791 
792 static void mxf_write_track(AVFormatContext *s, AVStream *st, MXFPackage *package)
793 {
794  MXFContext *mxf = s->priv_data;
795  AVIOContext *pb = s->pb;
796  MXFStreamContext *sc = st->priv_data;
797 
798  mxf_write_metadata_key(pb, 0x013b00);
799  PRINT_KEY(s, "track key", pb->buf_ptr - 16);
800  klv_encode_ber_length(pb, 80);
801 
802  // write track uid
803  mxf_write_local_tag(pb, 16, 0x3C0A);
805  PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
806 
807  // write track id
808  mxf_write_local_tag(pb, 4, 0x4801);
809  avio_wb32(pb, st->index+2);
810 
811  // write track number
812  mxf_write_local_tag(pb, 4, 0x4804);
813  if (package->type == MaterialPackage)
814  avio_wb32(pb, 0); // track number of material package is 0
815  else
816  avio_write(pb, sc->track_essence_element_key + 12, 4);
817 
818  // write edit rate
819  mxf_write_local_tag(pb, 8, 0x4B01);
820 
821  if (st == mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer) {
822  avio_wb32(pb, mxf->tc.rate.num);
823  avio_wb32(pb, mxf->tc.rate.den);
824  } else {
825  avio_wb32(pb, mxf->time_base.den);
826  avio_wb32(pb, mxf->time_base.num);
827  }
828 
829  // write origin
830  mxf_write_local_tag(pb, 8, 0x4B02);
831  avio_wb64(pb, 0);
832 
833  // write sequence refs
834  mxf_write_local_tag(pb, 16, 0x4803);
836 }
837 
838 static const uint8_t smpte_12m_timecode_track_data_ul[] = { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x01,0x03,0x02,0x01,0x01,0x00,0x00,0x00 };
839 
841 {
842  MXFContext *mxf = s->priv_data;
843  AVIOContext *pb = s->pb;
844 
845  // find data define uls
846  mxf_write_local_tag(pb, 16, 0x0201);
847  if (st == mxf->timecode_track)
849  else {
850  const MXFCodecUL *data_def_ul = mxf_get_data_definition_ul(st->codecpar->codec_type);
851  avio_write(pb, data_def_ul->uid, 16);
852  }
853 
854  // write duration
855  mxf_write_local_tag(pb, 8, 0x0202);
856 
857  if (st != mxf->timecode_track && s->oformat == &ff_mxf_opatom_muxer && st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
858  avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
859  } else {
860  avio_wb64(pb, mxf->duration);
861  }
862 }
863 
865 {
866  MXFContext *mxf = s->priv_data;
867  AVIOContext *pb = s->pb;
868  enum MXFMetadataSetType component;
869 
870  mxf_write_metadata_key(pb, 0x010f00);
871  PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
872  klv_encode_ber_length(pb, 80);
873 
874  mxf_write_local_tag(pb, 16, 0x3C0A);
876 
877  PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
879 
880  // write structural component
881  mxf_write_local_tag(pb, 16 + 8, 0x1001);
882  mxf_write_refs_count(pb, 1);
883  if (st == mxf->timecode_track)
884  component = TimecodeComponent;
885  else
886  component = SourceClip;
887 
888  mxf_write_uuid(pb, component, mxf->track_instance_count);
889 }
890 
892 {
893  MXFContext *mxf = s->priv_data;
894  AVIOContext *pb = s->pb;
895 
896  mxf_write_metadata_key(pb, 0x011400);
897  klv_encode_ber_length(pb, 75);
898 
899  // UID
900  mxf_write_local_tag(pb, 16, 0x3C0A);
902 
904 
905  // Start Time Code
906  mxf_write_local_tag(pb, 8, 0x1501);
907  avio_wb64(pb, mxf->tc.start);
908 
909  // Rounded Time Code Base
910  mxf_write_local_tag(pb, 2, 0x1502);
911  avio_wb16(pb, mxf->timecode_base);
912 
913  // Drop Frame
914  mxf_write_local_tag(pb, 1, 0x1503);
915  avio_w8(pb, !!(mxf->tc.flags & AV_TIMECODE_FLAG_DROPFRAME));
916 }
917 
919 {
920  MXFContext *mxf = s->priv_data;
921  AVIOContext *pb = s->pb;
922  int i;
923 
924  mxf_write_metadata_key(pb, 0x011100);
925  PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
926  klv_encode_ber_length(pb, 108);
927 
928  // write uid
929  mxf_write_local_tag(pb, 16, 0x3C0A);
931 
932  PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
934 
935  // write start_position
936  mxf_write_local_tag(pb, 8, 0x1201);
937  avio_wb64(pb, 0);
938 
939  // write source package uid, end of the reference
940  mxf_write_local_tag(pb, 32, 0x1101);
941  if (!package->ref) {
942  for (i = 0; i < 4; i++)
943  avio_wb64(pb, 0);
944  } else
945  mxf_write_umid(s, package->ref->instance);
946 
947  // write source track id
948  mxf_write_local_tag(pb, 4, 0x1102);
949  if (package->type == SourcePackage && !package->ref)
950  avio_wb32(pb, 0);
951  else
952  avio_wb32(pb, st->index+2);
953 }
954 
956 {
957  AVIOContext *pb = s->pb;
958 
959  mxf_write_metadata_key(pb, 0x012e00);
960  PRINT_KEY(s, "tape descriptor key", pb->buf_ptr - 16);
961  klv_encode_ber_length(pb, 20);
962  mxf_write_local_tag(pb, 16, 0x3C0A);
964  PRINT_KEY(s, "tape_desc uid", pb->buf_ptr - 16);
965 }
966 
967 
969 {
970  MXFContext *mxf = s->priv_data;
971  AVIOContext *pb = s->pb;
972  const uint8_t *ul;
973  int i;
974 
975  mxf_write_metadata_key(pb, 0x014400);
976  PRINT_KEY(s, "multiple descriptor key", pb->buf_ptr - 16);
977  klv_encode_ber_length(pb, 64 + 16LL * s->nb_streams);
978 
979  mxf_write_local_tag(pb, 16, 0x3C0A);
981  PRINT_KEY(s, "multi_desc uid", pb->buf_ptr - 16);
982 
983  // write sample rate
984  mxf_write_local_tag(pb, 8, 0x3001);
985  avio_wb32(pb, mxf->time_base.den);
986  avio_wb32(pb, mxf->time_base.num);
987 
988  // write essence container ul
989  mxf_write_local_tag(pb, 16, 0x3004);
990  if (mxf->essence_container_count > 1)
991  ul = multiple_desc_ul;
992  else {
993  MXFStreamContext *sc = s->streams[0]->priv_data;
994  ul = *sc->container_ul;
995  }
996  avio_write(pb, ul, 16);
997 
998  // write sub descriptor refs
999  mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x3F01);
1001  for (i = 0; i < s->nb_streams; i++)
1002  mxf_write_uuid(pb, SubDescriptor, i);
1003 }
1004 
1006 {
1007  MXFContext *mxf = s->priv_data;
1008  MXFStreamContext *sc = st->priv_data;
1009  AVIOContext *pb = s->pb;
1010  int64_t pos;
1011 
1012  avio_write(pb, key, 16);
1013  klv_encode_ber4_length(pb, 0);
1014  pos = avio_tell(pb);
1015 
1016  mxf_write_local_tag(pb, 16, 0x3C0A);
1018 
1019  mxf_write_local_tag(pb, 4, 0x3006);
1020  avio_wb32(pb, st->index+2);
1021 
1022  mxf_write_local_tag(pb, 8, 0x3001);
1023  if (s->oformat == &ff_mxf_d10_muxer) {
1024  avio_wb32(pb, mxf->time_base.den);
1025  avio_wb32(pb, mxf->time_base.num);
1026  } else {
1027  if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S16LE ||
1029  avio_wb32(pb, st->codecpar->sample_rate);
1030  avio_wb32(pb, 1);
1031  } else {
1032  avio_wb32(pb, mxf->time_base.den);
1033  avio_wb32(pb, mxf->time_base.num);
1034  }
1035  }
1036 
1037  mxf_write_local_tag(pb, 16, 0x3004);
1038  avio_write(pb, *sc->container_ul, 16);
1039 
1040  return pos;
1041 }
1042 
1043 static const UID mxf_s436m_anc_descriptor_key = { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x5c,0x00 };
1044 static const UID mxf_mpegvideo_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 };
1045 static const UID mxf_wav_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 };
1046 static const UID mxf_aes3_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 };
1047 static const UID mxf_cdci_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
1048 static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
1049 
1050 static const UID mxf_avc_subdescriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x6E,0x00 };
1051 
1053 {
1054  switch (trc){
1055  case AVCOL_TRC_GAMMA28 :
1056  case AVCOL_TRC_GAMMA22 :
1057  memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x01,0x00,0x00}), 16);
1058  return 0;
1059  case AVCOL_TRC_BT709 :
1060  case AVCOL_TRC_SMPTE170M :
1061  memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x02,0x00,0x00}), 16);
1062  return 0;
1063  case AVCOL_TRC_SMPTE240M :
1064  memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x03,0x00,0x00}), 16);
1065  return 0;
1066  case AVCOL_TRC_BT1361_ECG:
1067  memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x06,0x04,0x01,0x01,0x01,0x01,0x05,0x00,0x00}), 16);
1068  return 0;
1069  case AVCOL_TRC_LINEAR :
1070  memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x06,0x04,0x01,0x01,0x01,0x01,0x06,0x00,0x00}), 16);
1071  return 0;
1072  case AVCOL_TRC_SMPTE428 :
1073  memcpy(ul, ((UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x08,0x04,0x01,0x01,0x01,0x01,0x07,0x00,0x00}), 16);
1074  return 0;
1075  default:
1076  return -1;
1077  }
1078 }
1079 
1081 {
1082  MXFStreamContext *sc = st->priv_data;
1083  AVIOContext *pb = s->pb;
1084  int stored_width = 0;
1085  int stored_height = (st->codecpar->height+15)/16*16;
1086  int display_height;
1087  int f1, f2;
1088  UID transfer_ul = {0};
1089  int64_t pos = mxf_write_generic_desc(s, st, key);
1090 
1091  get_trc(transfer_ul, st->codecpar->color_trc);
1092 
1093  if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) {
1094  if (st->codecpar->height == 1080)
1095  stored_width = 1920;
1096  else if (st->codecpar->height == 720)
1097  stored_width = 1280;
1098  }
1099  if (!stored_width)
1100  stored_width = (st->codecpar->width+15)/16*16;
1101 
1102  mxf_write_local_tag(pb, 4, 0x3203);
1103  avio_wb32(pb, stored_width);
1104 
1105  mxf_write_local_tag(pb, 4, 0x3202);
1106  avio_wb32(pb, stored_height>>sc->interlaced);
1107 
1108  if (s->oformat == &ff_mxf_d10_muxer) {
1109  //Stored F2 Offset
1110  mxf_write_local_tag(pb, 4, 0x3216);
1111  avio_wb32(pb, 0);
1112 
1113  //Image Start Offset
1114  mxf_write_local_tag(pb, 4, 0x3213);
1115  avio_wb32(pb, 0);
1116 
1117  //Image End Offset
1118  mxf_write_local_tag(pb, 4, 0x3214);
1119  avio_wb32(pb, 0);
1120  }
1121 
1122  //Sampled width
1123  mxf_write_local_tag(pb, 4, 0x3205);
1124  avio_wb32(pb, stored_width);
1125 
1126  //Samples height
1127  mxf_write_local_tag(pb, 4, 0x3204);
1128  avio_wb32(pb, st->codecpar->height>>sc->interlaced);
1129 
1130  //Sampled X Offset
1131  mxf_write_local_tag(pb, 4, 0x3206);
1132  avio_wb32(pb, 0);
1133 
1134  //Sampled Y Offset
1135  mxf_write_local_tag(pb, 4, 0x3207);
1136  avio_wb32(pb, 0);
1137 
1138  mxf_write_local_tag(pb, 4, 0x3209);
1139  avio_wb32(pb, stored_width);
1140 
1141  if (st->codecpar->height == 608) // PAL + VBI
1142  display_height = 576;
1143  else if (st->codecpar->height == 512) // NTSC + VBI
1144  display_height = 486;
1145  else
1146  display_height = st->codecpar->height;
1147 
1148  mxf_write_local_tag(pb, 4, 0x3208);
1149  avio_wb32(pb, display_height>>sc->interlaced);
1150 
1151  // display X offset
1152  mxf_write_local_tag(pb, 4, 0x320A);
1153  avio_wb32(pb, 0);
1154 
1155  // display Y offset
1156  mxf_write_local_tag(pb, 4, 0x320B);
1157  avio_wb32(pb, (st->codecpar->height - display_height)>>sc->interlaced);
1158 
1159  if (sc->interlaced) {
1160  //Display F2 Offset
1161  mxf_write_local_tag(pb, 4, 0x3217);
1162  avio_wb32(pb, -((st->codecpar->height - display_height)&1));
1163  }
1164 
1165  // component depth
1166  mxf_write_local_tag(pb, 4, 0x3301);
1167  avio_wb32(pb, sc->component_depth);
1168 
1169  // horizontal subsampling
1170  mxf_write_local_tag(pb, 4, 0x3302);
1171  avio_wb32(pb, sc->h_chroma_sub_sample);
1172 
1173  // vertical subsampling
1174  mxf_write_local_tag(pb, 4, 0x3308);
1175  avio_wb32(pb, sc->v_chroma_sub_sample);
1176 
1177  // color siting
1178  mxf_write_local_tag(pb, 1, 0x3303);
1179  avio_w8(pb, sc->color_siting);
1180 
1181  // Padding Bits
1182  mxf_write_local_tag(pb, 2, 0x3307);
1183  avio_wb16(pb, 0);
1184 
1186  int black = 0,
1187  white = (1<<sc->component_depth) - 1,
1188  color = (1<<sc->component_depth) - 1;
1189  if (st->codecpar->color_range == AVCOL_RANGE_MPEG) {
1190  black = 1 << (sc->component_depth - 4);
1191  white = 235 << (sc->component_depth - 8);
1192  color = (14 << (sc->component_depth - 4)) + 1;
1193  }
1194  mxf_write_local_tag(pb, 4, 0x3304);
1195  avio_wb32(pb, black);
1196  mxf_write_local_tag(pb, 4, 0x3305);
1197  avio_wb32(pb, white);
1198  mxf_write_local_tag(pb, 4, 0x3306);
1199  avio_wb32(pb, color);
1200  }
1201 
1202  if (sc->signal_standard) {
1203  mxf_write_local_tag(pb, 1, 0x3215);
1204  avio_w8(pb, sc->signal_standard);
1205  }
1206 
1207  // frame layout
1208  mxf_write_local_tag(pb, 1, 0x320C);
1209  avio_w8(pb, sc->interlaced);
1210 
1211  // video line map
1212  switch (st->codecpar->height) {
1213  case 576: f1 = 23; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 335 : 336; break;
1214  case 608: f1 = 7; f2 = 320; break;
1215  case 480: f1 = 20; f2 = st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO ? 285 : 283; break;
1216  case 512: f1 = 7; f2 = 270; break;
1217  case 720: f1 = 26; f2 = 0; break; // progressive
1218  case 1080: f1 = 21; f2 = 584; break;
1219  default: f1 = 0; f2 = 0; break;
1220  }
1221 
1222  if (!sc->interlaced && f2) {
1223  f2 = 0;
1224  f1 *= 2;
1225  }
1226 
1227 
1228  mxf_write_local_tag(pb, 16, 0x320D);
1229  avio_wb32(pb, 2);
1230  avio_wb32(pb, 4);
1231  avio_wb32(pb, f1);
1232  avio_wb32(pb, f2);
1233 
1234  mxf_write_local_tag(pb, 8, 0x320E);
1235  avio_wb32(pb, sc->aspect_ratio.num);
1236  avio_wb32(pb, sc->aspect_ratio.den);
1237 
1238  //Transfer characteristic
1239  if (transfer_ul[0]) {
1240  mxf_write_local_tag(pb, 16, 0x3210);
1241  avio_write(pb, transfer_ul, 16);
1242  };
1243 
1244  mxf_write_local_tag(pb, 16, 0x3201);
1245  avio_write(pb, *sc->codec_ul, 16);
1246 
1247  if (sc->interlaced && sc->field_dominance) {
1248  mxf_write_local_tag(pb, 1, 0x3212);
1249  avio_w8(pb, sc->field_dominance);
1250  }
1251 
1252  if (st->codecpar->codec_id == AV_CODEC_ID_H264 && !sc->avc_intra) {
1253  // write avc sub descriptor ref
1254  mxf_write_local_tag(pb, 8 + 16, 0x8100);
1255  mxf_write_refs_count(pb, 1);
1257  }
1258 
1259  return pos;
1260 }
1261 
1263 {
1264  int64_t cur_pos = avio_tell(pb);
1265  int size = cur_pos - pos;
1266  avio_seek(pb, pos - 4, SEEK_SET);
1267  klv_encode_ber4_length(pb, size);
1268  avio_seek(pb, cur_pos, SEEK_SET);
1269 }
1270 
1272 {
1273  AVIOContext *pb = s->pb;
1274  int64_t pos;
1275 
1277  klv_encode_ber4_length(pb, 0);
1278  pos = avio_tell(pb);
1279 
1280  mxf_write_local_tag(pb, 16, 0x3C0A);
1282 
1283  mxf_write_local_tag(pb, 1, 0x8200);
1284  avio_w8(pb, 0xFF); // AVC Decoding Delay, unknown
1285 
1286  mxf_write_local_tag(pb, 1, 0x8201);
1287  avio_w8(pb, st->codecpar->profile); // AVC Profile
1288 
1289  mxf_write_local_tag(pb, 1, 0x8202);
1290  avio_w8(pb, st->codecpar->level); // AVC Level
1291 
1292  mxf_update_klv_size(s->pb, pos);
1293 }
1294 
1296 {
1298  mxf_update_klv_size(s->pb, pos);
1299 
1300  if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
1301  mxf_write_avc_subdesc(s, st);
1302  }
1303 }
1304 
1306 {
1307  MXFStreamContext *sc = st->priv_data;
1308  if (sc->avc_intra) {
1309  mxf_write_mpegvideo_desc(s, st);
1310  } else {
1312  mxf_update_klv_size(s->pb, pos);
1313  mxf_write_avc_subdesc(s, st);
1314  }
1315 }
1316 
1318 {
1320  mxf_update_klv_size(s->pb, pos);
1321 }
1322 
1324 {
1325  AVIOContext *pb = s->pb;
1326  MXFStreamContext *sc = st->priv_data;
1327  int profile_and_level = (st->codecpar->profile<<4) | st->codecpar->level;
1329 
1330  if (st->codecpar->codec_id != AV_CODEC_ID_H264) {
1331  // bit rate
1332  mxf_write_local_tag(pb, 4, 0x8000);
1333  avio_wb32(pb, sc->video_bit_rate);
1334 
1335  // profile and level
1336  mxf_write_local_tag(pb, 1, 0x8007);
1337  if (!st->codecpar->profile)
1338  profile_and_level |= 0x80; // escape bit
1339  avio_w8(pb, profile_and_level);
1340 
1341  // low delay
1342  mxf_write_local_tag(pb, 1, 0x8003);
1343  avio_w8(pb, sc->low_delay);
1344 
1345  // closed gop
1346  mxf_write_local_tag(pb, 1, 0x8004);
1347  avio_w8(pb, sc->seq_closed_gop);
1348 
1349  // max gop
1350  mxf_write_local_tag(pb, 2, 0x8006);
1351  avio_wb16(pb, sc->max_gop);
1352 
1353  // b picture count
1354  mxf_write_local_tag(pb, 2, 0x8008);
1355  avio_wb16(pb, sc->b_picture_count);
1356  }
1357 
1358  mxf_update_klv_size(pb, pos);
1359 }
1360 
1362 {
1363  AVIOContext *pb = s->pb;
1364  MXFContext *mxf = s->priv_data;
1365  int show_warnings = !mxf->footer_partition_offset;
1366  int64_t pos = mxf_write_generic_desc(s, st, key);
1367 
1368  if (s->oformat == &ff_mxf_opatom_muxer) {
1369  mxf_write_local_tag(pb, 8, 0x3002);
1370  avio_wb64(pb, mxf->body_offset / mxf->edit_unit_byte_count);
1371  }
1372 
1373  // audio locked
1374  mxf_write_local_tag(pb, 1, 0x3D02);
1375  avio_w8(pb, 1);
1376 
1377  // write audio sampling rate
1378  mxf_write_local_tag(pb, 8, 0x3D03);
1379  avio_wb32(pb, st->codecpar->sample_rate);
1380  avio_wb32(pb, 1);
1381 
1382  if (s->oformat == &ff_mxf_d10_muxer) {
1383  mxf_write_local_tag(pb, 1, 0x3D04);
1384  avio_w8(pb, 0);
1385  }
1386 
1387  mxf_write_local_tag(pb, 4, 0x3D07);
1388  if (mxf->channel_count == -1) {
1389  if (show_warnings && (s->oformat == &ff_mxf_d10_muxer) && (st->codecpar->channels != 4) && (st->codecpar->channels != 8))
1390  av_log(s, AV_LOG_WARNING, "the number of audio channels shall be 4 or 8 : the output will not comply to MXF D-10 specs, use -d10_channelcount to fix this\n");
1391  avio_wb32(pb, st->codecpar->channels);
1392  } else if (s->oformat == &ff_mxf_d10_muxer) {
1393  if (show_warnings && (mxf->channel_count < st->codecpar->channels))
1394  av_log(s, AV_LOG_WARNING, "d10_channelcount < actual number of audio channels : some channels will be discarded\n");
1395  if (show_warnings && (mxf->channel_count != 4) && (mxf->channel_count != 8))
1396  av_log(s, AV_LOG_WARNING, "d10_channelcount shall be set to 4 or 8 : the output will not comply to MXF D-10 specs\n");
1397  avio_wb32(pb, mxf->channel_count);
1398  } else {
1399  avio_wb32(pb, st->codecpar->channels);
1400  }
1401 
1402  mxf_write_local_tag(pb, 4, 0x3D01);
1404 
1405  return pos;
1406 }
1407 
1409 {
1410  AVIOContext *pb = s->pb;
1412 
1413  mxf_write_local_tag(pb, 2, 0x3D0A);
1414  avio_wb16(pb, st->codecpar->block_align);
1415 
1416  // avg bytes per sec
1417  mxf_write_local_tag(pb, 4, 0x3D09);
1419 
1420  return pos;
1421 }
1422 
1424 {
1426  mxf_update_klv_size(s->pb, pos);
1427 }
1428 
1430 {
1432  mxf_update_klv_size(s->pb, pos);
1433 }
1434 
1436 {
1438  mxf_update_klv_size(s->pb, pos);
1439 }
1440 
1441 static const uint8_t mxf_indirect_value_utf16le[] = { 0x4c,0x00,0x02,0x10,0x01,0x00,0x00,0x00,0x00,0x06,0x0e,0x2b,0x34,0x01,0x04,0x01,0x01 };
1442 
1443 static int mxf_write_tagged_value(AVFormatContext *s, const char* name, const char* value)
1444 {
1445  MXFContext *mxf = s->priv_data;
1446  AVIOContext *pb = s->pb;
1447  int name_size = mxf_utf16_local_tag_length(name);
1448  int indirect_value_size = 13 + mxf_utf16_local_tag_length(value);
1449 
1450  if (!name_size || indirect_value_size == 13)
1451  return 1;
1452 
1453  mxf_write_metadata_key(pb, 0x013f00);
1454  klv_encode_ber_length(pb, 24 + name_size + indirect_value_size);
1455 
1456  // write instance UID
1457  mxf_write_local_tag(pb, 16, 0x3C0A);
1459 
1460  // write name
1461  mxf_write_local_tag_utf16(pb, 0x5001, name); // Name
1462 
1463  // write indirect value
1464  mxf_write_local_tag(pb, indirect_value_size, 0x5003);
1466  avio_put_str16le(pb, value);
1467 
1468  mxf->tagged_value_count++;
1469  return 0;
1470 }
1471 
1473 {
1474  MXFContext *mxf = s->priv_data;
1475  AVDictionaryEntry *t = NULL;
1476  int count = 0;
1477 
1478  while ((t = av_dict_get(m, "comment_", t, AV_DICT_IGNORE_SUFFIX))) {
1479  if (mxf->tagged_value_count >= UINT16_MAX) {
1480  av_log(s, AV_LOG_ERROR, "too many tagged values, ignoring remaining\n");
1481  return count;
1482  }
1483 
1484  if (mxf_write_tagged_value(s, t->key + 8, t->value) == 0)
1485  count++;
1486  }
1487  return count;
1488 }
1489 
1491 {
1492  MXFContext *mxf = s->priv_data;
1493  AVIOContext *pb = s->pb;
1494  int i, track_count = s->nb_streams+1;
1495  int name_size = mxf_utf16_local_tag_length(package->name);
1496  int user_comment_count = 0;
1497 
1498  if (package->type == MaterialPackage) {
1499  if (mxf->store_user_comments)
1500  user_comment_count = mxf_write_user_comments(s, s->metadata);
1501  mxf_write_metadata_key(pb, 0x013600);
1502  PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
1503  klv_encode_ber_length(pb, 92 + name_size + (16*track_count) + (16*user_comment_count) + 12LL*mxf->store_user_comments);
1504  } else {
1505  mxf_write_metadata_key(pb, 0x013700);
1506  PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
1507  klv_encode_ber_length(pb, 112 + name_size + (16*track_count) + 12LL*mxf->store_user_comments); // 20 bytes length for descriptor reference
1508  }
1509 
1510  // write uid
1511  mxf_write_local_tag(pb, 16, 0x3C0A);
1512  mxf_write_uuid(pb, package->type, package->instance);
1513  av_log(s, AV_LOG_DEBUG, "package type:%d\n", package->type);
1514  PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
1515 
1516  // write package umid
1517  mxf_write_local_tag(pb, 32, 0x4401);
1518  mxf_write_umid(s, package->instance);
1519  PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
1520 
1521  // package name
1522  if (name_size)
1523  mxf_write_local_tag_utf16(pb, 0x4402, package->name);
1524 
1525  // package creation date
1526  mxf_write_local_tag(pb, 8, 0x4405);
1527  avio_wb64(pb, mxf->timestamp);
1528 
1529  // package modified date
1530  mxf_write_local_tag(pb, 8, 0x4404);
1531  avio_wb64(pb, mxf->timestamp);
1532 
1533  // write track refs
1534  mxf_write_local_tag(pb, track_count*16 + 8, 0x4403);
1535  mxf_write_refs_count(pb, track_count);
1536  // these are the uuids of the tracks the will be written in mxf_write_track
1537  for (i = 0; i < track_count; i++)
1538  mxf_write_uuid(pb, Track, mxf->track_instance_count + i);
1539 
1540  // write user comment refs
1541  if (mxf->store_user_comments) {
1542  mxf_write_local_tag(pb, user_comment_count*16 + 8, 0x4406);
1543  mxf_write_refs_count(pb, user_comment_count);
1544  for (i = 0; i < user_comment_count; i++)
1545  mxf_write_uuid(pb, TaggedValue, mxf->tagged_value_count - user_comment_count + i);
1546  }
1547 
1548  // write multiple descriptor reference
1549  if (package->type == SourcePackage && package->instance == 1) {
1550  mxf_write_local_tag(pb, 16, 0x4701);
1551  if (s->nb_streams > 1) {
1554  } else
1555  mxf_write_uuid(pb, SubDescriptor, 0);
1556  } else if (package->type == SourcePackage && package->instance == 2) {
1557  mxf_write_local_tag(pb, 16, 0x4701);
1560  }
1561 
1562  /*
1563  * for every 1 track in a package there is 1 sequence and 1 component.
1564  * all 3 of these elements share the same instance number for generating
1565  * there instance uuids. mxf->track_instance_count stores this value.
1566  * mxf->track_instance_count is incremented after a group of all 3 of
1567  * these elements are written.
1568  */
1569 
1570  // write timecode track
1571  mxf_write_track(s, mxf->timecode_track, package);
1572  mxf_write_sequence(s, mxf->timecode_track, package);
1573  mxf_write_timecode_component(s, mxf->timecode_track, package);
1574  mxf->track_instance_count++;
1575 
1576  for (i = 0; i < s->nb_streams; i++) {
1577  AVStream *st = s->streams[i];
1578  mxf_write_track(s, st, package);
1579  mxf_write_sequence(s, st, package);
1580  mxf_write_structural_component(s, st, package);
1581  mxf->track_instance_count++;
1582 
1583  if (package->type == SourcePackage && package->instance == 1) {
1584  MXFStreamContext *sc = st->priv_data;
1585  mxf_essence_container_uls[sc->index].write_desc(s, st);
1586  }
1587  }
1588 }
1589 
1591 {
1592  AVIOContext *pb = s->pb;
1593 
1594  mxf_write_metadata_key(pb, 0x012300);
1595  klv_encode_ber_length(pb, 72);
1596 
1597  mxf_write_local_tag(pb, 16, 0x3C0A); // Instance UID
1599 
1600  mxf_write_local_tag(pb, 32, 0x2701); // Linked Package UID
1601  mxf_write_umid(s, 1);
1602 
1603  mxf_write_local_tag(pb, 4, 0x3F07); // BodySID
1604  avio_wb32(pb, 1);
1605 
1606  mxf_write_local_tag(pb, 4, 0x3F06); // IndexSID
1607  avio_wb32(pb, 2);
1608 
1609  return 0;
1610 }
1611 
1613 {
1614  MXFContext *mxf = s->priv_data;
1615  AVDictionaryEntry *entry = NULL;
1616  AVStream *st = NULL;
1617  int i;
1618  MXFPackage packages[3] = {{0}};
1619  int package_count = 2;
1620  packages[0].type = MaterialPackage;
1621  packages[1].type = SourcePackage;
1622  packages[1].instance = 1;
1623  packages[0].ref = &packages[1];
1624 
1625 
1626  if (entry = av_dict_get(s->metadata, "material_package_name", NULL, 0))
1627  packages[0].name = entry->value;
1628 
1629  if (entry = av_dict_get(s->metadata, "file_package_name", NULL, 0)) {
1630  packages[1].name = entry->value;
1631  } else {
1632  /* check if any of the streams contain a file_package_name */
1633  for (i = 0; i < s->nb_streams; i++) {
1634  st = s->streams[i];
1635  if (entry = av_dict_get(st->metadata, "file_package_name", NULL, 0)) {
1636  packages[1].name = entry->value;
1637  break;
1638  }
1639  }
1640  }
1641 
1642  entry = av_dict_get(s->metadata, "reel_name", NULL, 0);
1643  if (entry) {
1644  packages[2].name = entry->value;
1645  packages[2].type = SourcePackage;
1646  packages[2].instance = 2;
1647  packages[1].ref = &packages[2];
1648  package_count = 3;
1649  }
1650 
1651  mxf_write_preface(s);
1653  mxf_write_content_storage(s, packages, package_count);
1654  mxf->track_instance_count = 0;
1655  for (i = 0; i < package_count; i++)
1656  mxf_write_package(s, &packages[i]);
1658  return 0;
1659 }
1660 
1661 static unsigned klv_fill_size(uint64_t size)
1662 {
1663  unsigned pad = KAG_SIZE - (size & (KAG_SIZE-1));
1664  if (pad < 20) // smallest fill item possible
1665  return pad + KAG_SIZE;
1666  else
1667  return pad & (KAG_SIZE-1);
1668 }
1669 
1671 {
1672  MXFContext *mxf = s->priv_data;
1673  AVIOContext *pb = s->pb;
1674  int i, j, temporal_reordering = 0;
1675  int key_index = mxf->last_key_index;
1676  int prev_non_b_picture = 0;
1677  int audio_frame_size = 0;
1678  int64_t pos;
1679 
1680  av_log(s, AV_LOG_DEBUG, "edit units count %d\n", mxf->edit_units_count);
1681 
1682  if (!mxf->edit_units_count && !mxf->edit_unit_byte_count)
1683  return;
1684 
1686 
1687  klv_encode_ber4_length(pb, 0);
1688  pos = avio_tell(pb);
1689 
1690  // instance id
1691  mxf_write_local_tag(pb, 16, 0x3C0A);
1693 
1694  // index edit rate
1695  mxf_write_local_tag(pb, 8, 0x3F0B);
1696  avio_wb32(pb, mxf->time_base.den);
1697  avio_wb32(pb, mxf->time_base.num);
1698 
1699  // index start position
1700  mxf_write_local_tag(pb, 8, 0x3F0C);
1702 
1703  // index duration
1704  mxf_write_local_tag(pb, 8, 0x3F0D);
1705  if (mxf->edit_unit_byte_count)
1706  avio_wb64(pb, 0); // index table covers whole container
1707  else
1708  avio_wb64(pb, mxf->edit_units_count);
1709 
1710  // edit unit byte count
1711  mxf_write_local_tag(pb, 4, 0x3F05);
1712  avio_wb32(pb, mxf->edit_unit_byte_count);
1713 
1714  // index sid
1715  mxf_write_local_tag(pb, 4, 0x3F06);
1716  avio_wb32(pb, 2);
1717 
1718  // body sid
1719  mxf_write_local_tag(pb, 4, 0x3F07);
1720  avio_wb32(pb, 1);
1721 
1722  // real slice count - 1
1723  mxf_write_local_tag(pb, 1, 0x3F08);
1724  avio_w8(pb, !mxf->edit_unit_byte_count); // only one slice for CBR
1725 
1726  // delta entry array
1727  mxf_write_local_tag(pb, 8 + (s->nb_streams+1)*6, 0x3F09);
1728  avio_wb32(pb, s->nb_streams+1); // num of entries
1729  avio_wb32(pb, 6); // size of one entry
1730  // write system item delta entry
1731  avio_w8(pb, 0);
1732  avio_w8(pb, 0); // slice entry
1733  avio_wb32(pb, 0); // element delta
1734  // write each stream delta entry
1735  for (i = 0; i < s->nb_streams; i++) {
1736  AVStream *st = s->streams[i];
1737  MXFStreamContext *sc = st->priv_data;
1738  avio_w8(pb, sc->temporal_reordering);
1739  if (sc->temporal_reordering)
1740  temporal_reordering = 1;
1741  if (mxf->edit_unit_byte_count) {
1742  avio_w8(pb, 0); // slice number
1743  avio_wb32(pb, sc->slice_offset);
1744  } else if (i == 0) { // video track
1745  avio_w8(pb, 0); // slice number
1746  avio_wb32(pb, KAG_SIZE); // system item size including klv fill
1747  } else { // audio or data track
1748  if (!audio_frame_size) {
1749  audio_frame_size = sc->frame_size;
1750  audio_frame_size += klv_fill_size(audio_frame_size);
1751  }
1752  avio_w8(pb, 1);
1753  avio_wb32(pb, (i-1)*audio_frame_size); // element delta
1754  }
1755  }
1756 
1757  if (!mxf->edit_unit_byte_count) {
1758  MXFStreamContext *sc = s->streams[0]->priv_data;
1759  mxf_write_local_tag(pb, 8 + mxf->edit_units_count*15, 0x3F0A);
1760  avio_wb32(pb, mxf->edit_units_count); // num of entries
1761  avio_wb32(pb, 15); // size of one entry
1762 
1763  for (i = 0; i < mxf->edit_units_count; i++) {
1764  int temporal_offset = 0;
1765 
1766  if (!(mxf->index_entries[i].flags & 0x33)) { // I-frame
1767  sc->max_gop = FFMAX(sc->max_gop, i - mxf->last_key_index);
1768  mxf->last_key_index = key_index;
1769  key_index = i;
1770  }
1771 
1772  if (temporal_reordering) {
1773  int pic_num_in_gop = i - key_index;
1774  if (pic_num_in_gop != mxf->index_entries[i].temporal_ref) {
1775  for (j = key_index; j < mxf->edit_units_count; j++) {
1776  if (pic_num_in_gop == mxf->index_entries[j].temporal_ref)
1777  break;
1778  }
1779  if (j == mxf->edit_units_count)
1780  av_log(s, AV_LOG_WARNING, "missing frames\n");
1781  temporal_offset = j - key_index - pic_num_in_gop;
1782  }
1783  }
1784  avio_w8(pb, temporal_offset);
1785 
1786  if ((mxf->index_entries[i].flags & 0x30) == 0x30) { // back and forward prediction
1787  sc->b_picture_count = FFMAX(sc->b_picture_count, i - prev_non_b_picture);
1788  avio_w8(pb, mxf->last_key_index - i);
1789  } else {
1790  avio_w8(pb, key_index - i); // key frame offset
1791  if ((mxf->index_entries[i].flags & 0x20) == 0x20) // only forward
1792  mxf->last_key_index = key_index;
1793  prev_non_b_picture = i;
1794  }
1795 
1796  if (!(mxf->index_entries[i].flags & 0x33) && // I-frame
1797  mxf->index_entries[i].flags & 0x40 && !temporal_offset)
1798  mxf->index_entries[i].flags |= 0x80; // random access
1799  avio_w8(pb, mxf->index_entries[i].flags);
1800  // stream offset
1801  avio_wb64(pb, mxf->index_entries[i].offset);
1802  if (s->nb_streams > 1)
1803  avio_wb32(pb, mxf->index_entries[i].slice_offset);
1804  else
1805  avio_wb32(pb, 0);
1806  }
1807 
1808  mxf->last_key_index = key_index - mxf->edit_units_count;
1810  mxf->edit_units_count = 0;
1811  }
1812 
1813  mxf_update_klv_size(pb, pos);
1814 }
1815 
1817 {
1818  unsigned pad = klv_fill_size(avio_tell(s->pb));
1819  if (pad) {
1820  avio_write(s->pb, klv_fill_key, 16);
1821  pad -= 16 + 4;
1822  klv_encode_ber4_length(s->pb, pad);
1823  ffio_fill(s->pb, 0, pad);
1824  av_assert1(!(avio_tell(s->pb) & (KAG_SIZE-1)));
1825  }
1826 }
1827 
1828 static int mxf_write_partition(AVFormatContext *s, int bodysid,
1829  int indexsid,
1830  const uint8_t *key, int write_metadata)
1831 {
1832  MXFContext *mxf = s->priv_data;
1833  AVIOContext *pb = s->pb;
1834  int64_t header_byte_count_offset;
1835  unsigned index_byte_count = 0;
1836  uint64_t partition_offset = avio_tell(pb);
1837  int err;
1838 
1839  if (!mxf->edit_unit_byte_count && mxf->edit_units_count)
1840  index_byte_count = 85 + 12+(s->nb_streams+1)*6 +
1841  12+mxf->edit_units_count*15;
1842  else if (mxf->edit_unit_byte_count && indexsid)
1843  index_byte_count = 80;
1844 
1845  if (index_byte_count) {
1846  index_byte_count += 16 + 4; // add encoded ber4 length
1847  index_byte_count += klv_fill_size(index_byte_count);
1848  }
1849 
1850  if (key && !memcmp(key, body_partition_key, 16)) {
1852  sizeof(*mxf->body_partition_offset))) < 0) {
1853  mxf->body_partitions_count = 0;
1854  return err;
1855  }
1856  mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
1857  }
1858 
1859  // write klv
1860  if (key)
1861  avio_write(pb, key, 16);
1862  else
1863  avio_write(pb, body_partition_key, 16);
1864 
1866 
1867  // write partition value
1868  avio_wb16(pb, 1); // majorVersion
1869  avio_wb16(pb, 3); // minorVersion
1870  avio_wb32(pb, KAG_SIZE); // KAGSize
1871 
1872  avio_wb64(pb, partition_offset); // ThisPartition
1873 
1874  if (key && !memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
1875  avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition
1876  else if (key && !memcmp(key, footer_partition_key, 16) && mxf->body_partitions_count)
1877  avio_wb64(pb, mxf->body_partition_offset[mxf->body_partitions_count-1]); // PreviousPartition
1878  else
1879  avio_wb64(pb, 0);
1880 
1881  avio_wb64(pb, mxf->footer_partition_offset); // footerPartition
1882 
1883  // set offset
1884  header_byte_count_offset = avio_tell(pb);
1885  avio_wb64(pb, 0); // headerByteCount, update later
1886 
1887  // indexTable
1888  avio_wb64(pb, index_byte_count); // indexByteCount
1889  avio_wb32(pb, index_byte_count ? indexsid : 0); // indexSID
1890 
1891  // BodyOffset
1892  if (bodysid && mxf->edit_units_count && mxf->body_partitions_count && s->oformat != &ff_mxf_opatom_muxer)
1893  avio_wb64(pb, mxf->body_offset);
1894  else
1895  avio_wb64(pb, 0);
1896 
1897  avio_wb32(pb, bodysid); // bodySID
1898 
1899  // operational pattern
1900  if (s->oformat == &ff_mxf_opatom_muxer)
1901  avio_write(pb, opatom_ul, 16);
1902  else
1903  avio_write(pb, op1a_ul, 16);
1904 
1905  // essence container
1907 
1908  if (write_metadata) {
1909  // mark the start of the headermetadata and calculate metadata size
1910  int64_t pos, start;
1911  unsigned header_byte_count;
1912 
1913  mxf_write_klv_fill(s);
1914  start = avio_tell(s->pb);
1916  mxf_write_klv_fill(s);
1918  pos = avio_tell(s->pb);
1919  header_byte_count = pos - start + klv_fill_size(pos);
1920 
1921  // update header_byte_count
1922  avio_seek(pb, header_byte_count_offset, SEEK_SET);
1923  avio_wb64(pb, header_byte_count);
1924  avio_seek(pb, pos, SEEK_SET);
1925  }
1926 
1927  if(key)
1929 
1930  return 0;
1931 }
1932 
1933 static const struct {
1934  int profile;
1936 } mxf_prores_codec_uls[] = {
1937  { FF_PROFILE_PRORES_PROXY, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x01,0x00 } },
1938  { FF_PROFILE_PRORES_LT, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x02,0x00 } },
1939  { FF_PROFILE_PRORES_STANDARD, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x03,0x00 } },
1940  { FF_PROFILE_PRORES_HQ, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x04,0x00 } },
1941  { FF_PROFILE_PRORES_4444, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x05,0x00 } },
1942  { FF_PROFILE_PRORES_XQ, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x03,0x06,0x06,0x00 } },
1943 };
1944 
1946 {
1947  MXFContext *mxf = s->priv_data;
1948  MXFStreamContext *sc = st->priv_data;
1949  int i, profile;
1950 
1951  if (mxf->header_written)
1952  return 1;
1953 
1954  profile = st->codecpar->profile;
1955  for (i = 0; i < FF_ARRAY_ELEMS(mxf_prores_codec_uls); i++) {
1956  if (profile == mxf_prores_codec_uls[i].profile) {
1957  sc->codec_ul = &mxf_prores_codec_uls[i].codec_ul;
1958  break;
1959  }
1960  }
1962  return 0;
1963 
1964  sc->frame_size = pkt->size;
1965 
1966  return 1;
1967 }
1968 
1969 static const struct {
1970  int cid;
1971  UID codec_ul;
1972 } mxf_dnxhd_codec_uls[] = {
1973  { 1235, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 } }, // 1080p 10bit HIGH
1974  { 1237, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x03,0x00,0x00 } }, // 1080p 8bit MED
1975  { 1238, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x04,0x00,0x00 } }, // 1080p 8bit HIGH
1976  { 1241, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x07,0x00,0x00 } }, // 1080i 10bit HIGH
1977  { 1242, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x08,0x00,0x00 } }, // 1080i 8bit MED
1978  { 1243, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x09,0x00,0x00 } }, // 1080i 8bit HIGH
1979  { 1244, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x0a,0x00,0x00 } }, // 1080i 8bit TR
1980  { 1250, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x10,0x00,0x00 } }, // 720p 10bit
1981  { 1251, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x11,0x00,0x00 } }, // 720p 8bit HIGH
1982  { 1252, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x12,0x00,0x00 } }, // 720p 8bit MED
1983  { 1253, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x13,0x00,0x00 } }, // 720p 8bit LOW
1984  { 1256, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x16,0x00,0x00 } }, // 1080p 10bit 444
1985  { 1258, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x18,0x00,0x00 } }, // 720p 8bit TR
1986  { 1259, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x19,0x00,0x00 } }, // 1080p 8bit TR
1987  { 1260, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x1a,0x00,0x00 } }, // 1080i 8bit TR MBAFF
1988  { 1270, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x24,0x00,0x00 } }, // DNXHR 444
1989  { 1271, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x25,0x00,0x00 } }, // DNXHR HQX
1990  { 1272, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x26,0x00,0x00 } }, // DNXHR HQ
1991  { 1273, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x27,0x00,0x00 } }, // DNXHR SQ
1992  { 1274, { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x71,0x28,0x00,0x00 } }, // DNXHR LB
1993 };
1994 
1996 {
1997  MXFContext *mxf = s->priv_data;
1998  MXFStreamContext *sc = st->priv_data;
1999  int i, cid, frame_size = 0;
2000 
2001  if (mxf->header_written)
2002  return 1;
2003 
2004  if (pkt->size < 43)
2005  return 0;
2006 
2007  cid = AV_RB32(pkt->data + 0x28);
2008  for (i = 0; i < FF_ARRAY_ELEMS(mxf_dnxhd_codec_uls); i++) {
2009  if (cid == mxf_dnxhd_codec_uls[i].cid) {
2010  sc->codec_ul = &mxf_dnxhd_codec_uls[i].codec_ul;
2011  break;
2012  }
2013  }
2015  return 0;
2016 
2017  sc->component_depth = 0;
2018  switch (pkt->data[0x21] >> 5) {
2019  case 1: sc->component_depth = 8; break;
2020  case 2: sc->component_depth = 10; break;
2021  case 3: sc->component_depth = 12; break;
2022  }
2023  if (!sc->component_depth)
2024  return 0;
2025 
2026  if ((frame_size = avpriv_dnxhd_get_frame_size(cid)) == DNXHD_VARIABLE) {
2027  frame_size = avpriv_dnxhd_get_hr_frame_size(cid, st->codecpar->width, st->codecpar->height);
2028  }
2029  if (frame_size < 0)
2030  return 0;
2031 
2032  if ((sc->interlaced = avpriv_dnxhd_get_interlaced(cid)) < 0)
2033  return 0;
2034 
2035  if (cid >= 1270) { // RI raster
2037  st->codecpar->width, st->codecpar->height,
2038  INT_MAX);
2039  } else {
2040  sc->aspect_ratio = (AVRational){ 16, 9 };
2041  }
2042 
2043  sc->frame_size = pkt->size;
2044 
2045  return 1;
2046 }
2047 
2048 static const struct {
2050  const UID codec_ul;
2051 } mxf_dv_uls[] = {
2052  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x01,0x01 }, // IEC DV25 525/60
2053  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x01,0x00 } },
2054  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x02,0x01 }, // IEC DV25 626/50
2055  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x01,0x02,0x00 } },
2056  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x40,0x01 }, // DV25 525/60
2057  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x01,0x00 }, },
2058  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x41,0x01 }, // DV25 625/50
2059  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x02,0x00 }, },
2060  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x50,0x01 }, // DV50 525/60
2061  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x03,0x00 }, },
2062  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x51,0x01 }, // DV50 625/50
2063  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x04,0x00 }, },
2064  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x60,0x01 }, // DV100 1080/60
2065  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x05,0x00 }, },
2066  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x61,0x01 }, // DV100 1080/50
2067  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x06,0x00 }, },
2068  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x62,0x01 }, // DV100 720/60
2069  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x07,0x00 }, },
2070  { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x02,0x63,0x01 }, // DV100 720/50
2071  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x02,0x02,0x02,0x02,0x08,0x00 }, },
2072 };
2073 
2075 {
2076  MXFContext *mxf = s->priv_data;
2077  MXFStreamContext *sc = st->priv_data;
2078  uint8_t *vs_pack, *vsc_pack;
2079  int apt, ul_index, stype, pal;
2080 
2081  if (mxf->header_written)
2082  return 1;
2083 
2084  // Check for minimal frame size
2085  if (pkt->size < 120000)
2086  return -1;
2087 
2088  apt = pkt->data[4] & 0x7;
2089  vs_pack = pkt->data + 80*5 + 48;
2090  vsc_pack = pkt->data + 80*5 + 53;
2091  stype = vs_pack[3] & 0x1f;
2092  pal = (vs_pack[3] >> 5) & 0x1;
2093 
2094  if ((vsc_pack[2] & 0x07) == 0x02) {
2095  sc->aspect_ratio = (AVRational){ 16, 9 };
2096  } else {
2097  sc->aspect_ratio = (AVRational){ 4, 3 };
2098  }
2099 
2100  sc->interlaced = (vsc_pack[3] >> 4) & 0x01;
2101  // TODO: fix dv encoder to set proper FF/FS value in VSC pack
2102  // and set field dominance accordingly
2103  // av_log(s, AV_LOG_DEBUG, "DV vsc pack ff/ss = %x\n", vsc_pack[2] >> 6);
2104 
2105  switch (stype) {
2106  case 0x18: // DV100 720p
2107  ul_index = 8+pal;
2108  if (sc->interlaced) {
2109  av_log(s, AV_LOG_ERROR, "source marked as interlaced but codec profile is progressive\n");
2110  sc->interlaced = 0;
2111  }
2112  break;
2113  case 0x14: // DV100 1080i
2114  ul_index = 6+pal;
2115  break;
2116  case 0x04: // DV50
2117  ul_index = 4+pal;
2118  break;
2119  default: // DV25
2120  if (!apt) { // IEC
2121  ul_index = 0+pal;
2122  } else {
2123  ul_index = 2+pal;
2124  }
2125  }
2126 
2127  sc->container_ul = &mxf_dv_uls[ul_index].container_ul;
2128  sc->codec_ul = &mxf_dv_uls[ul_index].codec_ul;
2129 
2130  sc->frame_size = pkt->size;
2131 
2132  return 1;
2133 }
2134 
2135 static const struct {
2138  int profile;
2140  int intra_only; // 1 or 0 when there are separate UIDs for Long GOP and Intra, -1 when Intra/LGOP detection can be ignored
2141 } mxf_h264_codec_uls[] = {
2142  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x11,0x01 }, 0, 66, 0, -1 }, // AVC Baseline
2143  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x20,0x01 }, 0, 77, 0, -1 }, // AVC Main
2144  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x30,0x01 }, 0, 88, 0, -1 }, // AVC Extended
2145  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x40,0x01 }, 0, 100, 0, -1 }, // AVC High
2146  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x50,0x01 }, 0, 110, 0, 0 }, // AVC High 10
2147  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x60,0x01 }, 0, 122, 0, 0 }, // AVC High 422
2148  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x31,0x70,0x01 }, 0, 244, 0, 0 }, // AVC High 444
2149  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x20,0x01 }, 0, 110, 0, 1 }, // AVC High 10 Intra
2150  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 232960, 110, 1, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/59.94i
2151  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 281088, 110, 1, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/50i
2152  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 232960, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/29.97p
2153  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 281088, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 1080/25p
2154  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x08 }, 116736, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 720/59.94p
2155  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x09 }, 140800, 110, 0, 1 }, // AVC High 10 Intra RP2027 Class 50 720/50p
2156  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x30,0x01 }, 0, 122, 0, 1 }, // AVC High 422 Intra
2157  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x01 }, 472576, 122, 1, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/59.94i
2158  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x02 }, 568832, 122, 1, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/50i
2159  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x03 }, 472576, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/29.97p
2160  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x04 }, 568832, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 1080/25p
2161  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x08 }, 236544, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 720/59.94p
2162  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0a,0x04,0x01,0x02,0x02,0x01,0x32,0x31,0x09 }, 284672, 122, 0, 1 }, // AVC High 422 Intra RP2027 Class 100 720/50p
2163  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x01,0x32,0x40,0x01 }, 0, 244, 0, 1 }, // AVC High 444 Intra
2164  {{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0d,0x04,0x01,0x02,0x02,0x01,0x32,0x50,0x01 }, 0, 44, 0, -1 }, // AVC CAVLC 444
2165 };
2166 
2168  AVPacket *pkt, MXFIndexEntry *e)
2169 {
2170  MXFContext *mxf = s->priv_data;
2171  MXFStreamContext *sc = st->priv_data;
2172  H264SPS seq, *const sps = &seq;
2173  GetBitContext gb;
2174  const uint8_t *buf = pkt->data;
2175  const uint8_t *buf_end = pkt->data + pkt->size;
2176  const uint8_t *nal_end;
2177  const UID *codec_ul = NULL;
2178  uint32_t state = -1;
2179  int extra_size = 512; // support AVC Intra files without SPS/PPS header
2180  int i, frame_size, slice_type, has_sps = 0, intra_only = 0, ret;
2181 
2182  for (;;) {
2183  buf = avpriv_find_start_code(buf, buf_end, &state);
2184  if (buf >= buf_end)
2185  break;
2186 
2187  switch (state & 0x1f) {
2188  case H264_NAL_SPS:
2189  e->flags |= 0x40;
2190 
2191  if (mxf->header_written)
2192  break;
2193 
2194  nal_end = ff_avc_find_startcode(buf, buf_end);
2195  ret = ff_avc_decode_sps(sps, buf, nal_end - buf);
2196  if (ret < 0) {
2197  av_log(s, AV_LOG_ERROR, "error parsing sps\n");
2198  return 0;
2199  }
2200  has_sps = 1;
2201 
2202  sc->aspect_ratio.num = st->codecpar->width * sps->sar.num;
2203  sc->aspect_ratio.den = st->codecpar->height * sps->sar.den;
2205  sc->aspect_ratio.num, sc->aspect_ratio.den, 1024*1024);
2206  intra_only = (sps->constraint_set_flags >> 3) & 1;
2207  sc->interlaced = !sps->frame_mbs_only_flag;
2208  sc->component_depth = sps->bit_depth_luma;
2209 
2210  buf = nal_end;
2211  break;
2212  case H264_NAL_PPS:
2213  if (e->flags & 0x40) { // sequence header present
2214  e->flags |= 0x80; // random access
2215  extra_size = 0;
2216  }
2217  break;
2218  case H264_NAL_IDR_SLICE:
2219  e->flags |= 0x04; // IDR Picture
2220  buf = buf_end;
2221  break;
2222  case H264_NAL_SLICE:
2223  init_get_bits8(&gb, buf, buf_end - buf);
2224  get_ue_golomb_long(&gb); // skip first_mb_in_slice
2225  slice_type = get_ue_golomb_31(&gb);
2226  switch (slice_type % 5) {
2227  case 0:
2228  e->flags |= 0x20; // P Picture
2229  e->flags |= 0x06; // P Picture
2230  break;
2231  case 1:
2232  e->flags |= 0x30; // B Picture
2233  e->flags |= 0x03; // non-referenced B Picture
2234  break;
2235  }
2236  buf = buf_end;
2237  break;
2238  default:
2239  break;
2240  }
2241  }
2242 
2243  if (mxf->header_written)
2244  return 1;
2245 
2246  if (!has_sps)
2247  sc->interlaced = st->codecpar->field_order != AV_FIELD_PROGRESSIVE ? 1 : 0;
2248  frame_size = pkt->size + extra_size;
2249 
2250  for (i = 0; i < FF_ARRAY_ELEMS(mxf_h264_codec_uls); i++) {
2251  if (frame_size == mxf_h264_codec_uls[i].frame_size && sc->interlaced == mxf_h264_codec_uls[i].interlaced) {
2252  codec_ul = &mxf_h264_codec_uls[i].uid;
2253  sc->component_depth = 10; // AVC Intra is always 10 Bit
2254  sc->aspect_ratio = (AVRational){ 16, 9 }; // 16:9 is mandatory for broadcast HD
2255  st->codecpar->profile = mxf_h264_codec_uls[i].profile;
2256  sc->avc_intra = 1;
2257  mxf->cbr_index = 1;
2258  sc->frame_size = pkt->size;
2259  if (sc->interlaced)
2260  sc->field_dominance = 1; // top field first is mandatory for AVC Intra
2261  break;
2262  } else if (has_sps && mxf_h264_codec_uls[i].frame_size == 0 &&
2263  mxf_h264_codec_uls[i].profile == sps->profile_idc &&
2264  (mxf_h264_codec_uls[i].intra_only < 0 ||
2265  mxf_h264_codec_uls[i].intra_only == intra_only)) {
2266  codec_ul = &mxf_h264_codec_uls[i].uid;
2267  st->codecpar->profile = sps->profile_idc;
2268  st->codecpar->level = sps->level_idc;
2269  // continue to check for avc intra
2270  }
2271  }
2272 
2273  if (!codec_ul) {
2274  av_log(s, AV_LOG_ERROR, "h264 profile not supported\n");
2275  return 0;
2276  }
2277  sc->codec_ul = codec_ul;
2278 
2279  return 1;
2280 }
2281 
2282 static const UID mxf_mpeg2_codec_uls[] = {
2283  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x10,0x00 }, // MP-ML I-Frame
2284  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x01,0x11,0x00 }, // MP-ML Long GOP
2285  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x02,0x00 }, // 422P-ML I-Frame
2286  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x02,0x03,0x00 }, // 422P-ML Long GOP
2287  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x02,0x00 }, // MP-HL I-Frame
2288  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x03,0x03,0x00 }, // MP-HL Long GOP
2289  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x02,0x00 }, // 422P-HL I-Frame
2290  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x04,0x03,0x00 }, // 422P-HL Long GOP
2291  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x02,0x00 }, // MP@H-14 I-Frame
2292  { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x03,0x04,0x01,0x02,0x02,0x01,0x05,0x03,0x00 }, // MP@H-14 Long GOP
2293 };
2294 
2296 {
2297  int long_gop = 1;
2298 
2299  if (par->profile == 4) { // Main
2300  if (par->level == 8) // Main
2301  return &mxf_mpeg2_codec_uls[0+long_gop];
2302  else if (par->level == 4) // High
2303  return &mxf_mpeg2_codec_uls[4+long_gop];
2304  else if (par->level == 6) // High 14
2305  return &mxf_mpeg2_codec_uls[8+long_gop];
2306  } else if (par->profile == 0) { // 422
2307  if (par->level == 5) // Main
2308  return &mxf_mpeg2_codec_uls[2+long_gop];
2309  else if (par->level == 2) // High
2310  return &mxf_mpeg2_codec_uls[6+long_gop];
2311  }
2312  return NULL;
2313 }
2314 
2316  AVPacket *pkt, MXFIndexEntry *e)
2317 {
2318  MXFStreamContext *sc = st->priv_data;
2319  uint32_t c = -1;
2320  int i;
2321 
2322  for(i = 0; i < pkt->size - 4; i++) {
2323  c = (c<<8) + pkt->data[i];
2324  if (c == 0x1b5) {
2325  if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext
2326  st->codecpar->profile = pkt->data[i+1] & 0x07;
2327  st->codecpar->level = pkt->data[i+2] >> 4;
2328  sc->low_delay = pkt->data[i+6] >> 7;
2329  } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext
2330  sc->interlaced = !(pkt->data[i+5] & 0x80); // progressive frame
2331  if (sc->interlaced)
2332  sc->field_dominance = 1 + !(pkt->data[i+4] & 0x80); // top field first
2333  break;
2334  }
2335  } else if (c == 0x1b8) { // gop
2336  if (pkt->data[i+4]>>6 & 0x01) { // closed
2337  if (sc->seq_closed_gop == -1)
2338  sc->seq_closed_gop = 1;
2339  sc->closed_gop = 1;
2340  if (e->flags & 0x40) // sequence header present
2341  e->flags |= 0x80; // random access
2342  } else {
2343  sc->seq_closed_gop = 0;
2344  sc->closed_gop = 0;
2345  }
2346  } else if (c == 0x1b3) { // seq
2347  e->flags |= 0x40;
2348  switch ((pkt->data[i+4]>>4) & 0xf) {
2349  case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break;
2350  case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break;
2351  case 4: sc->aspect_ratio = (AVRational){221,100}; break;
2352  default:
2354  st->codecpar->width, st->codecpar->height, 1024*1024);
2355  }
2356  } else if (c == 0x100) { // pic
2357  int pict_type = (pkt->data[i+2]>>3) & 0x07;
2358  e->temporal_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2359  if (pict_type == 2) { // P-frame
2360  e->flags |= 0x22;
2361  sc->closed_gop = 0; // reset closed GOP, don't matter anymore
2362  } else if (pict_type == 3) { // B-frame
2363  if (sc->closed_gop)
2364  e->flags |= 0x13; // only backward prediction
2365  else
2366  e->flags |= 0x33;
2367  sc->temporal_reordering = -1;
2368  } else if (!pict_type) {
2369  av_log(s, AV_LOG_ERROR, "error parsing mpeg2 frame\n");
2370  return 0;
2371  }
2372  }
2373  }
2374  if (s->oformat != &ff_mxf_d10_muxer) {
2376  if (!codec_ul)
2377  return 0;
2378  sc->codec_ul = codec_ul;
2379  }
2380  return 1;
2381 }
2382 
2383 static uint64_t mxf_parse_timestamp(int64_t timestamp64)
2384 {
2385  time_t timestamp = timestamp64 / 1000000;
2386  struct tm tmbuf;
2387  struct tm *time = gmtime_r(&timestamp, &tmbuf);
2388  if (!time)
2389  return 0;
2390  return (uint64_t)(time->tm_year+1900) << 48 |
2391  (uint64_t)(time->tm_mon+1) << 40 |
2392  (uint64_t) time->tm_mday << 32 |
2393  time->tm_hour << 24 |
2394  time->tm_min << 16 |
2395  time->tm_sec << 8 |
2396  (timestamp64 % 1000000) / 4000;
2397 }
2398 
2400 {
2401  MXFContext *mxf = s->priv_data;
2402  uint32_t seed = av_get_random_seed();
2403  uint64_t umid = seed + 0x5294713400000000LL;
2404 
2405  AV_WB64(mxf->umid , umid);
2406  AV_WB64(mxf->umid+8, umid>>8);
2407 
2408  mxf->instance_number = seed & 0xFFFFFF;
2409 }
2410 
2412 {
2413  MXFContext *mxf = s->priv_data;
2414  AVDictionaryEntry *tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
2415 
2416  if (!ff_mxf_get_content_package_rate(tbc)) {
2418  av_log(s, AV_LOG_ERROR, "Unsupported frame rate %d/%d. Set -strict option to 'unofficial' or lower in order to allow it!\n", tbc.den, tbc.num);
2419  return AVERROR(EINVAL);
2420  } else {
2421  av_log(s, AV_LOG_WARNING, "Unofficial frame rate %d/%d.\n", tbc.den, tbc.num);
2422  }
2423  }
2424 
2425  mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num;
2426  if (!tcr)
2427  tcr = av_dict_get(st->metadata, "timecode", NULL, 0);
2428 
2429  if (tcr)
2430  return av_timecode_init_from_string(&mxf->tc, av_inv_q(tbc), tcr->value, s);
2431  else
2432  return av_timecode_init(&mxf->tc, av_inv_q(tbc), 0, 0, s);
2433 }
2434 
2436 {
2437  MXFContext *mxf = s->priv_data;
2438  int i, ret;
2439  uint8_t present[FF_ARRAY_ELEMS(mxf_essence_container_uls)] = {0};
2440  int64_t timestamp = 0;
2441 
2442  if (!s->nb_streams)
2443  return -1;
2444 
2445  if (s->oformat == &ff_mxf_opatom_muxer && s->nb_streams !=1) {
2446  av_log(s, AV_LOG_ERROR, "there must be exactly one stream for mxf opatom\n");
2447  return -1;
2448  }
2449 
2450  if (!av_dict_get(s->metadata, "comment_", NULL, AV_DICT_IGNORE_SUFFIX))
2451  mxf->store_user_comments = 0;
2452 
2453  for (i = 0; i < s->nb_streams; i++) {
2454  AVStream *st = s->streams[i];
2455  MXFStreamContext *sc = av_mallocz(sizeof(*sc));
2456  if (!sc)
2457  return AVERROR(ENOMEM);
2458  st->priv_data = sc;
2459  sc->index = -1;
2460 
2461  if (((i == 0) ^ (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)) && s->oformat != &ff_mxf_opatom_muxer) {
2462  av_log(s, AV_LOG_ERROR, "there must be exactly one video stream and it must be the first one\n");
2463  return -1;
2464  }
2465 
2466  if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
2467  const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(st->codecpar->format);
2468  // TODO: should be avg_frame_rate
2469  AVRational tbc = st->time_base;
2470  // Default component depth to 8
2471  sc->component_depth = 8;
2472  sc->h_chroma_sub_sample = 2;
2473  sc->v_chroma_sub_sample = 2;
2474  sc->color_siting = 0xFF;
2475 
2478  av_make_q(st->codecpar->width, st->codecpar->height));
2479  }
2480 
2481  if (pix_desc) {
2482  sc->component_depth = pix_desc->comp[0].depth;
2483  sc->h_chroma_sub_sample = 1 << pix_desc->log2_chroma_w;
2484  sc->v_chroma_sub_sample = 1 << pix_desc->log2_chroma_h;
2485  }
2486  switch (ff_choose_chroma_location(s, st)) {
2487  case AVCHROMA_LOC_TOPLEFT: sc->color_siting = 0; break;
2488  case AVCHROMA_LOC_LEFT: sc->color_siting = 6; break;
2489  case AVCHROMA_LOC_TOP: sc->color_siting = 1; break;
2490  case AVCHROMA_LOC_CENTER: sc->color_siting = 3; break;
2491  }
2492 
2494  mxf->time_base = tbc;
2495  avpriv_set_pts_info(st, 64, mxf->time_base.num, mxf->time_base.den);
2496  if((ret = mxf_init_timecode(s, st, tbc)) < 0)
2497  return ret;
2498 
2500  sc->seq_closed_gop = -1; // unknown yet
2501  }
2502 
2503  sc->video_bit_rate = st->codecpar->bit_rate;
2504 
2505  if (s->oformat == &ff_mxf_d10_muxer ||
2508  mxf->cbr_index = 1;
2509 
2510  if (s->oformat == &ff_mxf_d10_muxer) {
2511  int ntsc = mxf->time_base.den != 25;
2512  int ul_index;
2513 
2515  av_log(s, AV_LOG_ERROR, "error MXF D-10 only support MPEG-2 Video\n");
2516  return AVERROR(EINVAL);
2517  }
2518  if ((sc->video_bit_rate == 50000000) && (mxf->time_base.den == 25)) {
2519  ul_index = 0;
2520  } else if ((sc->video_bit_rate == 49999840 || sc->video_bit_rate == 50000000) && ntsc) {
2521  ul_index = 1;
2522  } else if (sc->video_bit_rate == 40000000) {
2523  ul_index = 2+ntsc;
2524  } else if (sc->video_bit_rate == 30000000) {
2525  ul_index = 4+ntsc;
2526  } else {
2527  av_log(s, AV_LOG_ERROR, "error MXF D-10 only support 30/40/50 mbit/s\n");
2528  return -1;
2529  }
2530 
2531  sc->codec_ul = &mxf_d10_codec_uls[ul_index];
2532  sc->container_ul = &mxf_d10_container_uls[ul_index];
2533  sc->index = INDEX_D10_VIDEO;
2534  sc->signal_standard = 1;
2535  sc->color_siting = 0;
2536  sc->frame_size = (int64_t)sc->video_bit_rate *
2537  mxf->time_base.num / (8*mxf->time_base.den);
2538  }
2539  if (mxf->signal_standard >= 0)
2540  sc->signal_standard = mxf->signal_standard;
2541  } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
2542  char bsf_arg[32];
2543  if (st->codecpar->sample_rate != 48000) {
2544  av_log(s, AV_LOG_ERROR, "only 48khz is implemented\n");
2545  return -1;
2546  }
2547  avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);
2548  if (s->oformat == &ff_mxf_d10_muxer) {
2549  if (st->index != 1) {
2550  av_log(s, AV_LOG_ERROR, "MXF D-10 only support one audio track\n");
2551  return -1;
2552  }
2553  if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2555  av_log(s, AV_LOG_ERROR, "MXF D-10 only support 16 or 24 bits le audio\n");
2556  }
2557  sc->index = INDEX_D10_AUDIO;
2558  sc->container_ul = ((MXFStreamContext*)s->streams[0]->priv_data)->container_ul;
2559  sc->frame_size = 4 + 8 * av_rescale_rnd(st->codecpar->sample_rate, mxf->time_base.num, mxf->time_base.den, AV_ROUND_UP) * 4;
2560  } else if (s->oformat == &ff_mxf_opatom_muxer) {
2561  AVRational tbc = av_inv_q(mxf->audio_edit_rate);
2562 
2563  if (st->codecpar->codec_id != AV_CODEC_ID_PCM_S16LE &&
2565  av_log(s, AV_LOG_ERROR, "Only pcm_s16le and pcm_s24le audio codecs are implemented\n");
2566  return AVERROR_PATCHWELCOME;
2567  }
2568  if (st->codecpar->channels != 1) {
2569  av_log(s, AV_LOG_ERROR, "MXF OPAtom only supports single channel audio\n");
2570  return AVERROR(EINVAL);
2571  }
2572 
2573  mxf->time_base = st->time_base;
2574  if((ret = mxf_init_timecode(s, st, tbc)) < 0)
2575  return ret;
2576 
2578  sc->index = INDEX_WAV;
2579  } else {
2580  mxf->slice_count = 1;
2581  sc->frame_size = st->codecpar->channels *
2584  }
2585  snprintf(bsf_arg, sizeof(bsf_arg), "r=%d/%d", mxf->tc.rate.num, mxf->tc.rate.den);
2586  ret = ff_stream_add_bitstream_filter(st, "pcm_rechunk", bsf_arg);
2587  if (ret < 0)
2588  return ret;
2589  } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
2590  AVDictionaryEntry *e = av_dict_get(st->metadata, "data_type", NULL, 0);
2591  if (e && !strcmp(e->value, "vbi_vanc_smpte_436M")) {
2592  sc->index = INDEX_S436M;
2593  } else {
2594  av_log(s, AV_LOG_ERROR, "track %d: unsupported data type\n", i);
2595  return -1;
2596  }
2597  if (st->index != s->nb_streams - 1) {
2598  av_log(s, AV_LOG_ERROR, "data track must be placed last\n");
2599  return -1;
2600  }
2601  }
2602 
2603  if (sc->index == -1) {
2605  if (sc->index == -1) {
2606  av_log(s, AV_LOG_ERROR, "track %d: could not find essence container ul, "
2607  "codec not currently supported in container\n", i);
2608  return -1;
2609  }
2610  }
2611 
2612  if (!sc->codec_ul)
2613  sc->codec_ul = &mxf_essence_container_uls[sc->index].codec_ul;
2614  if (!sc->container_ul)
2615  sc->container_ul = &mxf_essence_container_uls[sc->index].container_ul;
2616 
2617  memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15);
2618  sc->track_essence_element_key[15] = present[sc->index];
2619  PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
2620 
2621  if (!present[sc->index])
2622  mxf->essence_container_count++;
2623  present[sc->index]++;
2624  }
2625 
2626  if (s->oformat == &ff_mxf_d10_muxer || s->oformat == &ff_mxf_opatom_muxer) {
2627  mxf->essence_container_count = 1;
2628  }
2629 
2630  if (!(s->flags & AVFMT_FLAG_BITEXACT))
2631  mxf_gen_umid(s);
2632 
2633  for (i = 0; i < s->nb_streams; i++) {
2634  MXFStreamContext *sc = s->streams[i]->priv_data;
2635  // update element count
2636  sc->track_essence_element_key[13] = present[sc->index];
2637  if (!memcmp(sc->track_essence_element_key, mxf_essence_container_uls[INDEX_DV].element_ul, 13)) // DV
2638  sc->order = (0x15 << 24) | AV_RB32(sc->track_essence_element_key+13);
2639  else
2640  sc->order = AV_RB32(sc->track_essence_element_key+12);
2641  }
2642 
2643  if (ff_parse_creation_time_metadata(s, &timestamp, 0) > 0)
2644  mxf->timestamp = mxf_parse_timestamp(timestamp);
2645  mxf->duration = -1;
2646 
2647  mxf->timecode_track = av_mallocz(sizeof(*mxf->timecode_track));
2648  if (!mxf->timecode_track)
2649  return AVERROR(ENOMEM);
2651  if (!mxf->timecode_track->priv_data)
2652  return AVERROR(ENOMEM);
2653  mxf->timecode_track->index = -1;
2654 
2655  return 0;
2656 }
2657 
2658 static const uint8_t system_metadata_pack_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x05,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x01,0x00 };
2659 static const uint8_t system_metadata_package_set_key[] = { 0x06,0x0E,0x2B,0x34,0x02,0x43,0x01,0x01,0x0D,0x01,0x03,0x01,0x04,0x01,0x02,0x01 };
2660 
2662 {
2663  MXFContext *mxf = s->priv_data;
2664  AVIOContext *pb = s->pb;
2665  unsigned frame;
2666  uint32_t time_code;
2667  int i, system_item_bitmap = 0x58; // UL, user date/time stamp, picture present
2668 
2669  frame = mxf->last_indexed_edit_unit + mxf->edit_units_count;
2670 
2671  // write system metadata pack
2673  klv_encode_ber4_length(pb, 57);
2674 
2675  for (i = 0; i < s->nb_streams; i++) {
2677  system_item_bitmap |= 0x4;
2678  else if (s->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_DATA)
2679  system_item_bitmap |= 0x2;
2680  }
2681  avio_w8(pb, system_item_bitmap);
2682  avio_w8(pb, mxf->content_package_rate); // content package rate
2683  avio_w8(pb, 0x00); // content package type
2684  avio_wb16(pb, 0x00); // channel handle
2685  avio_wb16(pb, frame & 0xFFFF); // continuity count, supposed to overflow
2686  if (mxf->essence_container_count > 1)
2687  avio_write(pb, multiple_desc_ul, 16);
2688  else {
2689  MXFStreamContext *sc = s->streams[0]->priv_data;
2690  avio_write(pb, *sc->container_ul, 16);
2691  }
2692  avio_w8(pb, 0);
2693  avio_wb64(pb, 0);
2694  avio_wb64(pb, 0); // creation date/time stamp
2695 
2696  avio_w8(pb, 0x81); // SMPTE 12M time code
2697  time_code = av_timecode_get_smpte_from_framenum(&mxf->tc, frame);
2698  avio_wb32(pb, time_code);
2699  avio_wb32(pb, 0); // binary group data
2700  avio_wb64(pb, 0);
2701 
2702  // write system metadata package set
2704  klv_encode_ber4_length(pb, 35);
2705  avio_w8(pb, 0x83); // UMID
2706  avio_wb16(pb, 0x20);
2707  mxf_write_umid(s, 1);
2708 }
2709 
2711 {
2712  MXFContext *mxf = s->priv_data;
2713  AVIOContext *pb = s->pb;
2714  int frame_size = pkt->size / st->codecpar->block_align;
2715  uint8_t *samples = pkt->data;
2716  uint8_t *end = pkt->data + pkt->size;
2717  int i;
2718 
2719  klv_encode_ber4_length(pb, 4 + frame_size*4*8);
2720 
2721  avio_w8(pb, (frame_size == 1920 ? 0 : (mxf->edit_units_count-1) % 5 + 1));
2722  avio_wl16(pb, frame_size);
2723  avio_w8(pb, (1<<st->codecpar->channels)-1);
2724 
2725  while (samples < end) {
2726  for (i = 0; i < st->codecpar->channels; i++) {
2727  uint32_t sample;
2728  if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S24LE) {
2729  sample = AV_RL24(samples)<< 4;
2730  samples += 3;
2731  } else {
2732  sample = AV_RL16(samples)<<12;
2733  samples += 2;
2734  }
2735  avio_wl32(pb, sample | i);
2736  }
2737  for (; i < 8; i++)
2738  avio_wl32(pb, i);
2739  }
2740 }
2741 
2743 {
2744  MXFContext *mxf = s->priv_data;
2745  AVIOContext *pb = s->pb;
2746  AVStream *st = s->streams[0];
2747  MXFStreamContext *sc = st->priv_data;
2748  const uint8_t *key = NULL;
2749 
2750  int err;
2751 
2752  if (!mxf->header_written)
2753  key = body_partition_key;
2754 
2755  if ((err = mxf_write_partition(s, 1, 0, key, 0)) < 0)
2756  return err;
2757  mxf_write_klv_fill(s);
2760  return 0;
2761 }
2762 
2764 {
2765  MXFContext *mxf = s->priv_data;
2766  AVIOContext *pb = s->pb;
2767 
2768  int err;
2769 
2770  if (!mxf->header_written) {
2771  if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2772  return err;
2773  mxf_write_klv_fill(s);
2774 
2775  if ((err = mxf_write_opatom_body_partition(s)) < 0)
2776  return err;
2777  mxf->header_written = 1;
2778  }
2779 
2780  if (!mxf->edit_unit_byte_count) {
2782  mxf->index_entries[mxf->edit_units_count].flags = ie->flags;
2784  }
2785  mxf->edit_units_count++;
2786  avio_write(pb, pkt->data, pkt->size);
2787  mxf->body_offset += pkt->size;
2788 
2789  return 0;
2790 }
2791 
2793 {
2794  MXFContext *mxf = s->priv_data;
2795  int i;
2796 
2797  if (s->oformat == &ff_mxf_opatom_muxer) {
2798  MXFStreamContext *sc = s->streams[0]->priv_data;
2799  mxf->edit_unit_byte_count = sc->frame_size;
2800  return;
2801  }
2802 
2803  mxf->edit_unit_byte_count = KAG_SIZE; // system element
2804  for (i = 0; i < s->nb_streams; i++) {
2805  AVStream *st = s->streams[i];
2806  MXFStreamContext *sc = st->priv_data;
2808  mxf->edit_unit_byte_count += 16 + 4 + sc->frame_size;
2810  }
2811 }
2812 
2814 {
2815  MXFContext *mxf = s->priv_data;
2816  AVIOContext *pb = s->pb;
2817  AVStream *st = s->streams[pkt->stream_index];
2818  MXFStreamContext *sc = st->priv_data;
2819  MXFIndexEntry ie = {0};
2820  int err;
2821 
2822  if (!mxf->cbr_index && !mxf->edit_unit_byte_count && !(mxf->edit_units_count % EDIT_UNITS_PER_BODY)) {
2823  if ((err = av_reallocp_array(&mxf->index_entries, mxf->edit_units_count
2824  + EDIT_UNITS_PER_BODY, sizeof(*mxf->index_entries))) < 0) {
2825  mxf->edit_units_count = 0;
2826  av_log(s, AV_LOG_ERROR, "could not allocate index entries\n");
2827  return err;
2828  }
2829  }
2830 
2832  if (!mxf_parse_mpeg2_frame(s, st, pkt, &ie)) {
2833  av_log(s, AV_LOG_ERROR, "could not get mpeg2 profile and level\n");
2834  return -1;
2835  }
2836  } else if (st->codecpar->codec_id == AV_CODEC_ID_DNXHD) {
2837  if (!mxf_parse_dnxhd_frame(s, st, pkt)) {
2838  av_log(s, AV_LOG_ERROR, "could not get dnxhd profile\n");
2839  return -1;
2840  }
2841  } else if (st->codecpar->codec_id == AV_CODEC_ID_PRORES) {
2842  if (!mxf_parse_prores_frame(s, st, pkt)) {
2843  av_log(s, AV_LOG_ERROR, "could not get prores profile\n");
2844  return -1;
2845  }
2846  } else if (st->codecpar->codec_id == AV_CODEC_ID_DVVIDEO) {
2847  if (!mxf_parse_dv_frame(s, st, pkt)) {
2848  av_log(s, AV_LOG_ERROR, "could not get dv profile\n");
2849  return -1;
2850  }
2851  } else if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
2852  if (!mxf_parse_h264_frame(s, st, pkt, &ie)) {
2853  av_log(s, AV_LOG_ERROR, "could not get h264 profile\n");
2854  return -1;
2855  }
2856  }
2857 
2858  if (mxf->cbr_index) {
2859  if (pkt->size != sc->frame_size && st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
2860  av_log(s, AV_LOG_ERROR, "track %d: frame size does not match index unit size, %d != %d\n",
2861  st->index, pkt->size, sc->frame_size);
2862  return -1;
2863  }
2864  if (!mxf->header_written)
2866  }
2867 
2868  if (s->oformat == &ff_mxf_opatom_muxer)
2869  return mxf_write_opatom_packet(s, pkt, &ie);
2870 
2871  if (!mxf->header_written) {
2872  if (mxf->edit_unit_byte_count) {
2873  if ((err = mxf_write_partition(s, 1, 2, header_open_partition_key, 1)) < 0)
2874  return err;
2875  mxf_write_klv_fill(s);
2877  } else {
2878  if ((err = mxf_write_partition(s, 0, 0, header_open_partition_key, 1)) < 0)
2879  return err;
2880  }
2881  mxf->header_written = 1;
2882  }
2883 
2884  if (st->index == 0) {
2885  if (!mxf->edit_unit_byte_count &&
2887  !(ie.flags & 0x33)) { // I-frame, GOP start
2888  mxf_write_klv_fill(s);
2889  if ((err = mxf_write_partition(s, 1, 2, body_partition_key, 0)) < 0)
2890  return err;
2891  mxf_write_klv_fill(s);
2893  }
2894 
2895  mxf_write_klv_fill(s);
2897 
2898  if (!mxf->edit_unit_byte_count) {
2900  mxf->index_entries[mxf->edit_units_count].flags = ie.flags;
2902  mxf->body_offset += KAG_SIZE; // size of system element
2903  }
2904  mxf->edit_units_count++;
2905  } else if (!mxf->edit_unit_byte_count && st->index == 1) {
2906  if (!mxf->edit_units_count) {
2907  av_log(s, AV_LOG_ERROR, "No packets in first stream\n");
2908  return AVERROR_PATCHWELCOME;
2909  }
2911  mxf->body_offset - mxf->index_entries[mxf->edit_units_count-1].offset;
2912  }
2913 
2914  mxf_write_klv_fill(s);
2915  avio_write(pb, sc->track_essence_element_key, 16); // write key
2916  if (s->oformat == &ff_mxf_d10_muxer &&
2918  mxf_write_d10_audio_packet(s, st, pkt);
2919  } else {
2920  klv_encode_ber4_length(pb, pkt->size); // write length
2921  avio_write(pb, pkt->data, pkt->size);
2922  mxf->body_offset += 16+4+pkt->size + klv_fill_size(16+4+pkt->size);
2923  }
2924 
2925  return 0;
2926 }
2927 
2929 {
2930  MXFContext *mxf = s->priv_data;
2931  AVIOContext *pb = s->pb;
2932  uint64_t pos = avio_tell(pb);
2933  int i;
2934 
2936  klv_encode_ber_length(pb, 28 + 12LL*mxf->body_partitions_count);
2937 
2938  if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer)
2939  avio_wb32(pb, 1); // BodySID of header partition
2940  else
2941  avio_wb32(pb, 0);
2942  avio_wb64(pb, 0); // offset of header partition
2943 
2944  for (i = 0; i < mxf->body_partitions_count; i++) {
2945  avio_wb32(pb, 1); // BodySID
2946  avio_wb64(pb, mxf->body_partition_offset[i]);
2947  }
2948 
2949  avio_wb32(pb, 0); // BodySID of footer partition
2951 
2952  avio_wb32(pb, avio_tell(pb) - pos + 4);
2953 }
2954 
2956 {
2957  MXFContext *mxf = s->priv_data;
2958  AVIOContext *pb = s->pb;
2959  int i, err;
2960 
2961  if (!mxf->header_written ||
2962  (s->oformat == &ff_mxf_opatom_muxer && !mxf->body_partition_offset)) {
2963  /* reason could be invalid options/not supported codec/out of memory */
2964  return AVERROR_UNKNOWN;
2965  }
2966 
2968 
2969  mxf_write_klv_fill(s);
2971  if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) { // no need to repeat index
2972  if ((err = mxf_write_partition(s, 0, 0, footer_partition_key, 0)) < 0)
2973  return err;
2974  } else {
2975  if ((err = mxf_write_partition(s, 0, 2, footer_partition_key, 0)) < 0)
2976  return err;
2977  mxf_write_klv_fill(s);
2979  }
2980 
2981  mxf_write_klv_fill(s);
2983 
2984  if (s->pb->seekable & AVIO_SEEKABLE_NORMAL) {
2985  if (s->oformat == &ff_mxf_opatom_muxer) {
2986  /* rewrite body partition to update lengths */
2987  avio_seek(pb, mxf->body_partition_offset[0], SEEK_SET);
2988  if ((err = mxf_write_opatom_body_partition(s)) < 0)
2989  return err;
2990  }
2991 
2992  avio_seek(pb, 0, SEEK_SET);
2993  if (mxf->edit_unit_byte_count && s->oformat != &ff_mxf_opatom_muxer) {
2994  if ((err = mxf_write_partition(s, 1, 2, header_closed_partition_key, 1)) < 0)
2995  return err;
2996  mxf_write_klv_fill(s);
2998  } else {
2999  if ((err = mxf_write_partition(s, 0, 0, header_closed_partition_key, 1)) < 0)
3000  return err;
3001  }
3002  // update footer partition offset
3003  for (i = 0; i < mxf->body_partitions_count; i++) {
3004  avio_seek(pb, mxf->body_partition_offset[i]+44, SEEK_SET);
3006  }
3007  }
3008 
3009  return 0;
3010 }
3011 
3013 {
3014  MXFContext *mxf = s->priv_data;
3015 
3016  av_freep(&mxf->index_entries);
3018  if (mxf->timecode_track) {
3020  av_freep(&mxf->timecode_track);
3021  }
3022 }
3023 
3025 {
3026  int i, stream_count = 0;
3027 
3028  for (i = 0; i < s->nb_streams; i++)
3029  stream_count += !!s->streams[i]->last_in_packet_buffer;
3030 
3031  if (stream_count && (s->nb_streams == stream_count || flush)) {
3032  AVPacketList *pktl = s->internal->packet_buffer;
3033  if (s->nb_streams != stream_count) {
3034  AVPacketList *last = NULL;
3035  // find last packet in edit unit
3036  while (pktl) {
3037  if (!stream_count || pktl->pkt.stream_index == 0)
3038  break;
3039  // update last packet in packet buffer
3040  if (s->streams[pktl->pkt.stream_index]->last_in_packet_buffer != pktl)
3041  s->streams[pktl->pkt.stream_index]->last_in_packet_buffer = pktl;
3042  last = pktl;
3043  pktl = pktl->next;
3044  stream_count--;
3045  }
3046  // purge packet queue
3047  while (pktl) {
3048  AVPacketList *next = pktl->next;
3049  av_packet_unref(&pktl->pkt);
3050  av_freep(&pktl);
3051  pktl = next;
3052  }
3053  if (last)
3054  last->next = NULL;
3055  else {
3056  s->internal->packet_buffer = NULL;
3058  goto out;
3059  }
3060  pktl = s->internal->packet_buffer;
3061  }
3062 
3063  *out = pktl->pkt;
3064  av_log(s, AV_LOG_TRACE, "out st:%d dts:%"PRId64"\n", (*out).stream_index, (*out).dts);
3065  s->internal->packet_buffer = pktl->next;
3066  if(s->streams[pktl->pkt.stream_index]->last_in_packet_buffer == pktl)
3068  if(!s->internal->packet_buffer)
3070  av_freep(&pktl);
3071  return 1;
3072  } else {
3073  out:
3074  return 0;
3075  }
3076 }
3077 
3079  const AVPacket *pkt)
3080 {
3082  MXFStreamContext *sc2 = s->streams[next->stream_index]->priv_data;
3083 
3084  return next->dts > pkt->dts ||
3085  (next->dts == pkt->dts && sc->order < sc2->order);
3086 }
3087 
3089 {
3090  int ret;
3091  if (pkt) {
3093  pkt->pts = pkt->dts = sc->pkt_cnt++;
3094  if ((ret = ff_interleave_add_packet(s, pkt, mxf_compare_timestamps)) < 0)
3095  return ret;
3096  }
3097  return mxf_interleave_get_packet(s, out, NULL, flush);
3098 }
3099 
3100 #define MXF_COMMON_OPTIONS \
3101  { "signal_standard", "Force/set Signal Standard",\
3102  offsetof(MXFContext, signal_standard), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3103  { "bt601", "ITU-R BT.601 and BT.656, also SMPTE 125M (525 and 625 line interlaced)",\
3104  0, AV_OPT_TYPE_CONST, {.i64 = 1}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3105  { "bt1358", "ITU-R BT.1358 and ITU-R BT.799-3, also SMPTE 293M (525 and 625 line progressive)",\
3106  0, AV_OPT_TYPE_CONST, {.i64 = 2}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3107  { "smpte347m", "SMPTE 347M (540 Mbps mappings)",\
3108  0, AV_OPT_TYPE_CONST, {.i64 = 3}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3109  { "smpte274m", "SMPTE 274M (1125 line)",\
3110  0, AV_OPT_TYPE_CONST, {.i64 = 4}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3111  { "smpte296m", "SMPTE 296M (750 line progressive)",\
3112  0, AV_OPT_TYPE_CONST, {.i64 = 5}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3113  { "smpte349m", "SMPTE 349M (1485 Mbps mappings)",\
3114  0, AV_OPT_TYPE_CONST, {.i64 = 6}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},\
3115  { "smpte428", "SMPTE 428-1 DCDM",\
3116  0, AV_OPT_TYPE_CONST, {.i64 = 7}, -1, 7, AV_OPT_FLAG_ENCODING_PARAM, "signal_standard"},
3117 
3118 
3119 
3120 static const AVOption mxf_options[] = {
3122  { "store_user_comments", "",
3123  offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3124  { NULL },
3125 };
3126 
3127 static const AVClass mxf_muxer_class = {
3128  .class_name = "MXF muxer",
3129  .item_name = av_default_item_name,
3130  .option = mxf_options,
3131  .version = LIBAVUTIL_VERSION_INT,
3132 };
3133 
3134 static const AVOption d10_options[] = {
3135  { "d10_channelcount", "Force/set channelcount in generic sound essence descriptor",
3136  offsetof(MXFContext, channel_count), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 8, AV_OPT_FLAG_ENCODING_PARAM},
3138  { "store_user_comments", "",
3139  offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3140  { NULL },
3141 };
3142 
3144  .class_name = "MXF-D10 muxer",
3145  .item_name = av_default_item_name,
3146  .option = d10_options,
3147  .version = LIBAVUTIL_VERSION_INT,
3148 };
3149 
3150 static const AVOption opatom_options[] = {
3151  { "mxf_audio_edit_rate", "Audio edit rate for timecode",
3152  offsetof(MXFContext, audio_edit_rate), AV_OPT_TYPE_RATIONAL, {.dbl=25}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
3154  { "store_user_comments", "",
3155  offsetof(MXFContext, store_user_comments), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
3156  { NULL },
3157 };
3158 
3160  .class_name = "MXF-OPAtom muxer",
3161  .item_name = av_default_item_name,
3162  .option = opatom_options,
3163  .version = LIBAVUTIL_VERSION_INT,
3164 };
3165 
3167  .name = "mxf",
3168  .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
3169  .mime_type = "application/mxf",
3170  .extensions = "mxf",
3171  .priv_data_size = sizeof(MXFContext),
3172  .audio_codec = AV_CODEC_ID_PCM_S16LE,
3173  .video_codec = AV_CODEC_ID_MPEG2VIDEO,
3177  .deinit = mxf_deinit,
3180  .priv_class = &mxf_muxer_class,
3181 };
3182 
3183 AVOutputFormat ff_mxf_d10_muxer = {
3184  .name = "mxf_d10",
3185  .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) D-10 Mapping"),
3186  .mime_type = "application/mxf",
3187  .priv_data_size = sizeof(MXFContext),
3188  .audio_codec = AV_CODEC_ID_PCM_S16LE,
3189  .video_codec = AV_CODEC_ID_MPEG2VIDEO,
3193  .deinit = mxf_deinit,
3196  .priv_class = &mxf_d10_muxer_class,
3197 };
3198 
3199 AVOutputFormat ff_mxf_opatom_muxer = {
3200  .name = "mxf_opatom",
3201  .long_name = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format) Operational Pattern Atom"),
3202  .mime_type = "application/mxf",
3203  .extensions = "mxf",
3204  .priv_data_size = sizeof(MXFContext),
3205  .audio_codec = AV_CODEC_ID_PCM_S16LE,
3206  .video_codec = AV_CODEC_ID_DNXHD,
3210  .deinit = mxf_deinit,
3213  .priv_class = &mxf_opatom_muxer_class,
3214 };
uint8_t profile_idc
Definition: avc.h:41
uint8_t bit_depth_luma
Definition: avc.h:45
int cid
Definition: mxfenc.c:1970
static void write_packet(OutputFile *of, AVPacket *pkt, OutputStream *ost, int unqueue)
Definition: ffmpeg.c:703
void avio_wb64(AVIOContext *s, uint64_t val)
Definition: aviobuf.c:441
uint32_t tagged_value_count
Definition: mxfenc.c:260
#define NULL
Definition: coverity.c:32
enum AVFieldOrder field_order
Video only.
Definition: codec_par.h:141
void avio_wl16(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:447
MXFMetadataSetType
Definition: mxf.h:30
Bytestream IO Context.
Definition: avio.h:161
enum AVColorTransferCharacteristic color_trc
Definition: codec_par.h:148
static int mxf_utf16_local_tag_length(const char *utf8_str)
Definition: mxfenc.c:670
uint8_t constraint_set_flags
Definition: avc.h:43
version
Definition: libkvazaar.c:292
int component_depth
Definition: mxfenc.c:89
static struct @314 state
static const uint8_t header_closed_partition_key[]
Definition: mxfenc.c:280
#define GET_UTF8(val, GET_BYTE, ERROR)
Convert a UTF-8 character (up to 4 bytes) to its 32-bit UCS-4 encoded form.
Definition: common.h:427
int size
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2549
MPEG-2/4 4:2:0, H.264 default for 4:2:0.
Definition: pixfmt.h:556
int signal_standard
Definition: mxfenc.c:91
const uint8_t * ff_avc_find_startcode(const uint8_t *p, const uint8_t *end)
Definition: avc.c:67
int avio_put_str16be(AVIOContext *s, const char *str)
Convert an UTF-8 string to UTF-16BE and write it.
AVOption.
Definition: opt.h:246
static void flush(AVCodecContext *avctx)
"Linear transfer characteristics"
Definition: pixfmt.h:489
static void mxf_write_index_table_segment(AVFormatContext *s)
Definition: mxfenc.c:1670
enum AVCodecID id
Definition: mxfenc.c:136
uint64_t body_offset
Definition: mxfenc.c:255
static void mxf_write_timecode_component(AVFormatContext *s, AVStream *st, MXFPackage *package)
Definition: mxfenc.c:891
#define PRINT_KEY(pc, s, x)
Definition: mxf.h:128
static const uint8_t klv_fill_key[]
Definition: mxfenc.c:281
static const UID mxf_mpegvideo_descriptor_key
Definition: mxfenc.c:1044
static const UID mxf_d10_codec_uls[]
Definition: mxfenc.c:217
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
unsigned char * buf_ptr
Current position in the buffer.
Definition: avio.h:228
static void klv_encode_ber9_length(AVIOContext *pb, uint64_t len)
Definition: mxfenc.c:480
void(* write_desc)(AVFormatContext *, AVStream *)
Definition: mxfenc.c:111
int index
index in mxf_essence_container_uls table
Definition: mxfenc.c:83
void avpriv_set_pts_info(AVStream *s, int pts_wrap_bits, unsigned int pts_num, unsigned int pts_den)
Set the time base and wrapping info for a given stream.
Definition: utils.c:4948
AVRational sample_aspect_ratio
Video only.
Definition: codec_par.h:136
unsigned body_partitions_count
Definition: mxfenc.c:247
uint8_t level_idc
Definition: avc.h:42
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: codec_par.h:60
int num
Numerator.
Definition: rational.h:59
int index
stream index in AVFormatContext
Definition: avformat.h:877
int size
Definition: packet.h:356
Definition: mxf.h:34
static const UID mxf_cdci_descriptor_key
Definition: mxfenc.c:1047
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence)
fseek() equivalent for AVIOContext.
Definition: aviobuf.c:241
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:235
AVFormatInternal * internal
An opaque field for libavformat internal usage.
Definition: avformat.h:1804
int interlaced
whether picture is interlaced
Definition: mxfenc.c:87
static const uint8_t body_partition_key[]
Definition: mxfenc.c:282
static int get_trc(UID ul, enum AVColorTransferCharacteristic trc)
Definition: mxfenc.c:1052
static int64_t mxf_write_generic_sound_common(AVFormatContext *s, AVStream *st, const UID key)
Definition: mxfenc.c:1361
AVOutputFormat ff_mxf_muxer
Definition: mxfenc.c:3166
static void mxf_update_klv_size(AVIOContext *pb, int64_t pos)
Definition: mxfenc.c:1262
#define AV_RL16
Definition: intreadwrite.h:42
#define FF_PROFILE_PRORES_LT
Definition: avcodec.h:1969
int avpriv_dnxhd_get_interlaced(int cid)
Definition: dnxhddata.c:1108
static void mxf_write_s436m_anc_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1317
void * priv_data
Definition: avformat.h:891
const char * key
static const struct @271 mxf_dv_uls[]
static void mxf_write_sequence(AVFormatContext *s, AVStream *st, MXFPackage *package)
Definition: mxfenc.c:864
static AVPacket pkt
static void mxf_write_uuid(AVIOContext *pb, enum MXFMetadataSetType type, int value)
Definition: mxfenc.c:424
#define sample
static int mxf_init_timecode(AVFormatContext *s, AVStream *st, AVRational tbc)
Definition: mxfenc.c:2411
Round toward +infinity.
Definition: mathematics.h:83
UID track_essence_element_key
Definition: mxfenc.c:82
static void mxf_write_common_fields(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:840
int strict_std_compliance
Allow non-standard and experimental extension.
Definition: avformat.h:1659
#define FF_PROFILE_PRORES_XQ
Definition: avcodec.h:1973
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
Definition: pixdesc.h:92
int id
Definition: mxf.h:84
This struct describes the properties of an encoded stream.
Definition: codec_par.h:52
static const UID mxf_s436m_anc_descriptor_key
Definition: mxfenc.c:1043
AVColorTransferCharacteristic
Color Transfer Characteristic.
Definition: pixfmt.h:480
static int mxf_write_header(AVFormatContext *s)
Definition: mxfenc.c:2435
static void klv_encode_ber4_length(AVIOContext *pb, int len)
Definition: mxfenc.c:474
static const uint8_t multiple_desc_ul[]
Definition: mxfenc.c:288
Format I/O context.
Definition: avformat.h:1351
int h_chroma_sub_sample
Definition: mxfenc.c:92
uint8_t UID[16]
Definition: mxf.h:28
int temporal_reordering
Definition: mxfenc.c:94
#define gmtime_r
Definition: time_internal.h:34
uint8_t slice_count
index slice count minus 1 (1 if no audio, 0 otherwise)
Definition: mxfenc.c:244
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
Definition: log.h:72
#define AV_WB64(p, v)
Definition: intreadwrite.h:433
static const UID mxf_generic_sound_descriptor_key
Definition: mxfenc.c:1048
const UID container_ul
Definition: mxfenc.c:2049
static int klv_encode_ber_length(AVIOContext *pb, uint64_t len)
Definition: mxfenc.c:454
static void mxf_write_klv_fill(AVFormatContext *s)
Definition: mxfenc.c:1816
static void mxf_write_refs_count(AVIOContext *pb, int ref_count)
Definition: mxfenc.c:440
int timecode_base
rounded time code base (25 or 30)
Definition: mxfenc.c:252
int av_timecode_init_from_string(AVTimecode *tc, AVRational rate, const char *str, void *log_ctx)
Parse timecode representation (hh:mm:ss[:;.
Definition: timecode.c:194
static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, MXFPackage *package)
Definition: mxfenc.c:918
static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
Definition: mxfenc.c:2813
static void mxf_write_avc_subdesc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1271
AVOutputFormat ff_mxf_d10_muxer
Definition: mxfenc.c:3183
void avio_wl32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:367
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
static unsigned klv_fill_size(uint64_t size)
Definition: mxfenc.c:1661
uint8_t
Opaque data information usually continuous.
Definition: avutil.h:203
int width
Video only.
Definition: codec_par.h:126
AVOptions.
A point in the output bytestream where the underlying AVIOContext might flush the buffer depending on...
Definition: avio.h:146
static const UID mxf_mpeg2_codec_uls[]
Definition: mxfenc.c:2282
#define AV_LOG_TRACE
Extremely verbose debugging, useful for libav* development.
Definition: log.h:202
AVPacket pkt
Definition: avformat.h:2025
timecode is drop frame
Definition: timecode.h:36
#define AV_RB32
Definition: intreadwrite.h:130
static av_cold int end(AVCodecContext *avctx)
Definition: avrndec.c:92
int frame_size
frame size in bytes
Definition: mxfenc.c:99
also ITU-R BT470M / ITU-R BT1700 625 PAL & SECAM
Definition: pixfmt.h:485
#define LIBAVFORMAT_VERSION_MAJOR
Definition: version.h:34
static int64_t mxf_write_generic_desc(AVFormatContext *s, AVStream *st, const UID key)
Definition: mxfenc.c:1005
void avio_write_marker(AVIOContext *s, int64_t time, enum AVIODataMarkerType type)
Mark the written bytestream as a specific type.
Definition: aviobuf.c:471
AVStream ** streams
A list of all streams in the file.
Definition: avformat.h:1419
static AVFrame * frame
int avpriv_dnxhd_get_frame_size(int cid)
Definition: dnxhddata.c:1087
AVDictionaryEntry * av_dict_get(const AVDictionary *m, const char *key, const AVDictionaryEntry *prev, int flags)
Get a dictionary entry with matching key.
Definition: dict.c:40
int flags
Flags modifying the (de)muxer behaviour.
Definition: avformat.h:1482
uint8_t * data
Definition: packet.h:355
uint64_t duration
Definition: mxfenc.c:249
int start
timecode frame start (first base frame number)
Definition: timecode.h:42
uint32_t tag
Definition: movenc.c:1532
uint64_t offset
Definition: mxfenc.c:74
Definition: ismindex.c:69
int instance
Definition: mxfenc.c:117
uint8_t flags
Definition: mxfenc.c:77
static av_always_inline int64_t avio_tell(AVIOContext *s)
ftell() equivalent for AVIOContext.
Definition: avio.h:557
int av_reduce(int *dst_num, int *dst_den, int64_t num, int64_t den, int64_t max)
Reduce a fraction.
Definition: rational.c:35
struct AVPacketList * packet_buffer
This buffer is only needed when packets were already buffered but not decoded, for example to get the...
Definition: internal.h:76
void avio_write(AVIOContext *s, const unsigned char *buf, int size)
Definition: aviobuf.c:213
static int interleave_packet(AVFormatContext *s, AVPacket *out, AVPacket *in, int flush)
Interleave an AVPacket correctly so it can be muxed.
Definition: mux.c:1067
#define AVFMT_FLAG_BITEXACT
When muxing, try to avoid writing any random/volatile data to the output.
Definition: avformat.h:1499
AVRational audio_edit_rate
Definition: mxfenc.c:261
unsigned slice_offset
offset of audio slice
Definition: mxfenc.c:75
enum ULIndex index
Definition: mxfenc.c:137
static const uint8_t index_table_segment_key[]
Definition: mxfenc.c:277
#define av_log(a,...)
#define AV_OPT_FLAG_ENCODING_PARAM
a generic parameter which can be set by the user for muxing or encoding
Definition: opt.h:276
const uint8_t * avpriv_find_start_code(const uint8_t *p, const uint8_t *end, uint32_t *state)
int64_t bit_rate
The average bitrate of the encoded data (in bits per second).
Definition: codec_par.h:89
#define FF_COMPLIANCE_UNOFFICIAL
Allow unofficial extensions.
Definition: avcodec.h:1597
int av_timecode_init(AVTimecode *tc, AVRational rate, int flags, int frame_start, void *log_ctx)
Init a timecode struct with the passed parameters.
Definition: timecode.c:184
int store_user_comments
Definition: mxfenc.c:262
int local_tag
Definition: mxfenc.c:69
static const struct @269 mxf_prores_codec_uls[]
static const AVClass mxf_opatom_muxer_class
Definition: mxfenc.c:3159
H.264 parameter set handling.
static const uint8_t umid_ul[]
Definition: mxfenc.c:268
static void mxf_write_tape_descriptor(AVFormatContext *s)
Definition: mxfenc.c:955
int ff_parse_creation_time_metadata(AVFormatContext *s, int64_t *timestamp, int return_seconds)
Parse creation_time in AVFormatContext metadata if exists and warn if the parsing fails...
Definition: utils.c:5707
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:269
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: codec_id.h:46
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
AVDictionary * metadata
Metadata that applies to the whole file.
Definition: avformat.h:1591
int av_get_bits_per_sample(enum AVCodecID codec_id)
Return codec bits per sample.
Definition: utils.c:1583
ITU-R BT1361 Extended Colour Gamut.
Definition: pixfmt.h:493
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
Definition: pixdesc.h:101
static void mxf_write_system_item(AVFormatContext *s)
Definition: mxfenc.c:2661
#define EDIT_UNITS_PER_BODY
Definition: mxfenc.c:65
static const uint8_t header_metadata_key[]
partial key for header metadata
Definition: mxfenc.c:287
static const uint8_t mxf_indirect_value_utf16le[]
Definition: mxfenc.c:1441
int profile
Definition: mxfenc.c:1934
int ff_avc_decode_sps(H264SPS *sps, const uint8_t *buf, int buf_size)
Definition: avc.c:334
Definition: mxf.h:42
#define AVERROR(e)
Definition: error.h:43
static int64_t mxf_write_wav_common(AVFormatContext *s, AVStream *st, const UID key)
Definition: mxfenc.c:1408
int v_chroma_sub_sample
Definition: mxfenc.c:93
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:188
static const uint8_t header_open_partition_key[]
Definition: mxfenc.c:279
static void mxf_write_preface(AVFormatContext *s)
Definition: mxfenc.c:593
unsigned int pos
Definition: spdifenc.c:412
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:197
enum AVMediaType codec_type
General type of the encoded data.
Definition: codec_par.h:56
int header_written
Definition: mxfenc.c:240
static void mxf_write_random_index_pack(AVFormatContext *s)
Definition: mxfenc.c:2928
static void mxf_write_cdci_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1295
simple assert() macros that are a bit more flexible than ISO C assert().
static int mxf_write_opatom_body_partition(AVFormatContext *s)
Definition: mxfenc.c:2742
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:237
int cbr_index
use a constant bitrate index
Definition: mxfenc.c:264
static void mxf_write_content_storage(AVFormatContext *s, MXFPackage *packages, int package_count)
Definition: mxfenc.c:765
static void mxf_write_metadata_key(AVIOContext *pb, unsigned int value)
Definition: mxfenc.c:550
uint8_t frame_mbs_only_flag
Definition: avc.h:47
#define MXF_COMMON_OPTIONS
Definition: mxfenc.c:3100
#define FFMAX(a, b)
Definition: common.h:94
int color_siting
Definition: mxfenc.c:90
int64_t pkt_cnt
pkt counter for muxed packets
Definition: mxfenc.c:81
#define LIBAVFORMAT_VERSION_MINOR
Definition: version.h:35
int order
interleaving order if dts are equal
Definition: mxfenc.c:86
static void mxf_write_d10_audio_packet(AVFormatContext *s, AVStream *st, AVPacket *pkt)
Definition: mxfenc.c:2710
static const uint8_t primer_pack_key[]
Definition: mxfenc.c:276
static const uint8_t system_metadata_pack_key[]
Definition: mxfenc.c:2658
static int mxf_get_essence_container_ul_index(enum AVCodecID id)
Definition: mxfenc.c:489
int av_reallocp_array(void *ptr, size_t nmemb, size_t size)
Allocate, reallocate, or free an array through a pointer to a pointer.
Definition: mem.c:206
int intra_only
Definition: mxfenc.c:2140
static int klv_ber_length(uint64_t len)
Definition: mxfenc.c:446
unsigned int nb_streams
Number of elements in AVFormatContext.streams.
Definition: avformat.h:1407
int block_align
Audio only.
Definition: codec_par.h:177
const char * name
Definition: qsvenc.c:46
int seekable
A combination of AVIO_SEEKABLE_ flags or 0 when the stream is not seekable.
Definition: avio.h:260
static int mxf_parse_h264_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt, MXFIndexEntry *e)
Definition: mxfenc.c:2167
static const UID mxf_wav_descriptor_key
Definition: mxfenc.c:1045
#define av_assert1(cond)
assert() equivalent, that does not lie in speed critical code.
Definition: avassert.h:53
void ffio_fill(AVIOContext *s, int b, int count)
Definition: aviobuf.c:199
#define KAG_SIZE
Definition: mxfenc.c:66
static const uint8_t op1a_ul[]
complete key for operation pattern, partitions, and primer pack
Definition: mxfenc.c:273
uint8_t interlaced
Definition: mxfenc.c:2139
static int mxf_parse_dnxhd_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
Definition: mxfenc.c:1995
#define LIBAVFORMAT_VERSION_MICRO
Definition: version.h:36
#define FF_PROFILE_PRORES_STANDARD
Definition: avcodec.h:1970
uint64_t * body_partition_offset
Definition: mxfenc.c:246
struct MXFPackage * ref
Definition: mxfenc.c:118
static int write_trailer(AVFormatContext *s1)
Definition: v4l2enc.c:98
ITU-R 601, SMPTE 274M 296M S314M(DV 4:1:1), mpeg2 4:2:2.
Definition: pixfmt.h:558
static const AVOption mxf_options[]
Definition: mxfenc.c:3120
ULIndex
Definition: mxfenc.c:121
void avio_wb24(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:465
static const AVClass mxf_muxer_class
Definition: mxfenc.c:3127
const char * name
Definition: avformat.h:500
static int mxf_write_partition(AVFormatContext *s, int bodysid, int indexsid, const uint8_t *key, int write_metadata)
Definition: mxfenc.c:1828
static void mxf_write_local_tag_utf16(AVIOContext *pb, int tag, const char *value)
Definition: mxfenc.c:689
#define s(width, name)
Definition: cbs_vp9.c:257
static int mxf_write_header_metadata_sets(AVFormatContext *s)
Definition: mxfenc.c:1612
AVDictionary * metadata
Definition: avformat.h:940
AVStream * timecode_track
Definition: mxfenc.c:251
int slice_offset
Definition: mxfenc.c:98
static const UID mxf_aes3_descriptor_key
Definition: mxfenc.c:1046
enum AVColorRange color_range
Video only.
Definition: codec_par.h:146
const MXFCodecUL ff_mxf_data_definition_uls[]
SMPTE RP224 http://www.smpte-ra.org/mdd/index.html.
Definition: mxf.c:28
static const uint8_t system_metadata_package_set_key[]
Definition: mxfenc.c:2659
int edit_unit_byte_count
fixed edit unit byte count
Definition: mxfenc.c:253
int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding rnd)
Rescale a 64-bit integer with specified rounding.
Definition: mathematics.c:58
preferred ID for MPEG-1/2 video decoding
Definition: codec_id.h:51
#define FF_ARRAY_ELEMS(a)
#define av_log2
Definition: intmath.h:83
ff_const59 struct AVOutputFormat * oformat
The output container format.
Definition: avformat.h:1370
static uint64_t mxf_parse_timestamp(int64_t timestamp64)
Definition: mxfenc.c:2383
static const struct @270 mxf_dnxhd_codec_uls[]
Stream structure.
Definition: avformat.h:876
static unsigned get_ue_golomb_long(GetBitContext *gb)
Read an unsigned Exp-Golomb code in the range 0 to UINT32_MAX-1.
Definition: golomb.h:105
#define AVERROR_PATCHWELCOME
Not yet implemented in FFmpeg, patches welcome.
Definition: error.h:62
int content_package_rate
content package rate in system element, see SMPTE 326M
Definition: mxfenc.c:254
#define AVFMT_NOTIMESTAMPS
Format does not need / have any timestamps.
Definition: avformat.h:462
uint32_t instance_number
Definition: mxfenc.c:256
static int mxf_write_user_comments(AVFormatContext *s, const AVDictionary *m)
Definition: mxfenc.c:1472
#define FF_PROFILE_PRORES_4444
Definition: avcodec.h:1972
int b_picture_count
maximum number of consecutive b pictures, used in mpeg-2 descriptor
Definition: mxfenc.c:102
int signal_standard
Definition: mxfenc.c:259
also ITU-R BT1361
Definition: pixfmt.h:482
#define AVIO_SEEKABLE_NORMAL
Seeking works like for a local file.
Definition: avio.h:40
static void mxf_write_local_tag(AVIOContext *pb, int size, int tag)
Definition: mxfenc.c:544
static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1429
int max_gop
maximum gop size, used by mpeg-2 descriptor
Definition: mxfenc.c:101
int frame_size
Definition: mxfenc.c:2137
int last_indexed_edit_unit
Definition: mxfenc.c:245
also ITU-R BT601-6 525 or 625 / ITU-R BT1358 525 or 625 / ITU-R BT1700 NTSC
Definition: pixfmt.h:487
static const AVClass mxf_d10_muxer_class
Definition: mxfenc.c:3143
static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt, MXFIndexEntry *e)
Definition: mxfenc.c:2315
typedef void(RENAME(mix_any_func_type))
const UID * codec_ul
Definition: mxfenc.c:84
static int get_ue_golomb_31(GetBitContext *gb)
read unsigned exp golomb code, constraint to a max of 31.
Definition: golomb.h:120
Timecode helpers header.
AVIOContext * pb
I/O context.
Definition: avformat.h:1393
static int init_get_bits8(GetBitContext *s, const uint8_t *buffer, int byte_size)
Initialize GetBitContext.
Definition: get_bits.h:677
static AVRational av_make_q(int num, int den)
Create an AVRational.
Definition: rational.h:71
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
void avio_w8(AVIOContext *s, int b)
Definition: aviobuf.c:191
void av_packet_unref(AVPacket *pkt)
Wipe the packet.
Definition: avpacket.c:605
long long int64_t
Definition: coverity.c:34
static void mxf_write_essence_container_refs(AVFormatContext *s)
Definition: mxfenc.c:571
static unsigned int seed
Definition: videogen.c:78
static const UID * mxf_get_mpeg2_codec_ul(AVCodecParameters *par)
Definition: mxfenc.c:2295
static void mxf_write_package(AVFormatContext *s, MXFPackage *package)
Definition: mxfenc.c:1490
AVRational rate
frame rate in rational form
Definition: timecode.h:44
int seq_closed_gop
all gops in sequence are closed, used in mpeg-2 descriptor
Definition: mxfenc.c:100
int closed_gop
gop is closed, used in mpeg-2 frame parsing
Definition: mxfenc.c:96
uint64_t timestamp
timestamp, as year(16),month(8),day(8),hour(8),minutes(8),msec/4(8)
Definition: mxfenc.c:243
int low_delay
low delay, used in mpeg-2 descriptor
Definition: mxfenc.c:103
double value
Definition: eval.c:98
#define AV_STRINGIFY(s)
Definition: macros.h:36
Describe the class of an AVClass context structure.
Definition: log.h:67
AVRational aspect_ratio
display aspect ratio
Definition: mxfenc.c:95
static const MXFLocalTagPair mxf_local_tag_batch[]
SMPTE RP210 http://www.smpte-ra.org/mdd/index.html https://smpte-ra.org/sites/default/files/Labels.xml.
Definition: mxfenc.c:294
int track_instance_count
Definition: mxfenc.c:263
Rational number (pair of numerator and denominator).
Definition: rational.h:58
static int64_t mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key)
Definition: mxfenc.c:1080
uint16_t temporal_ref
Definition: mxfenc.c:76
static uint64_t mxf_utf16len(const char *utf8_str)
Definition: mxfenc.c:648
cl_device_type type
static void mxf_write_primer_pack(AVFormatContext *s)
Definition: mxfenc.c:507
#define FF_PROFILE_PRORES_HQ
Definition: avcodec.h:1971
int avio_put_str16le(AVIOContext *s, const char *str)
Convert an UTF-8 string to UTF-16LE and write it.
static int FUNC() sps(CodedBitstreamContext *ctx, RWContext *rw, H264RawSPS *current)
SMPTE ST 428-1.
Definition: pixfmt.h:499
#define snprintf
Definition: snprintf.h:34
static void mxf_write_track(AVFormatContext *s, AVStream *st, MXFPackage *package)
Definition: mxfenc.c:792
Definition: avc.h:39
MXFIndexEntry * index_entries
Definition: mxfenc.c:241
AVRational time_base
Definition: mxfenc.c:239
AVClass * av_class
Definition: mxfenc.c:236
Definition: mxf.h:81
int video_bit_rate
Definition: mxfenc.c:97
static const uint8_t uuid_base[]
Definition: mxfenc.c:267
int channel_count
Definition: mxfenc.c:258
static void mxf_write_h264_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1305
#define LIBAVFORMAT_VERSION
Definition: version.h:41
void avio_wb16(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:453
#define flags(name, subs,...)
Definition: cbs_av1.c:576
#define AV_RL24
Definition: intreadwrite.h:78
static int mxf_parse_prores_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
Definition: mxfenc.c:1945
static const MXFContainerEssenceEntry mxf_essence_container_uls[]
Definition: mxfenc.c:158
enum AVChromaLocation ff_choose_chroma_location(AVFormatContext *s, AVStream *st)
Chooses a timebase for muxing the specified stream.
Definition: mux.c:105
const UID * container_ul
Definition: mxfenc.c:85
the normal 219*2^(n-8) "MPEG" YUV ranges
Definition: pixfmt.h:534
static av_always_inline AVRational av_inv_q(AVRational q)
Invert a rational.
Definition: rational.h:159
static const MXFLocalTagPair mxf_user_comments_local_tag[]
Definition: mxfenc.c:418
static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
Definition: mxfenc.c:3024
int sample_rate
Audio only.
Definition: codec_par.h:170
#define DNXHD_VARIABLE
Indicate that a CIDEntry value must be read in the bitstream.
Definition: dnxhddata.h:40
static const UID mxf_d10_container_uls[]
Definition: mxfenc.c:226
int64_t footer_partition_offset
Definition: mxfenc.c:237
static const uint8_t smpte_12m_timecode_track_data_ul[]
Definition: mxfenc.c:838
Main libavformat public API header.
static void mxf_write_identification(AVFormatContext *s)
Definition: mxfenc.c:718
Definition: mxf.h:37
common internal api header.
struct AVPacketList * next
Definition: avformat.h:2026
if(ret< 0)
Definition: vf_mcdeint.c:279
static const uint8_t footer_partition_key[]
Definition: mxfenc.c:275
static int mxf_write_essence_container_data(AVFormatContext *s)
Definition: mxfenc.c:1590
static void write_metadata(AVFormatContext *s, unsigned int ts)
Definition: flvenc.c:274
static double c[64]
int profile
Codec-specific bitstream restrictions that the stream conforms to.
Definition: codec_par.h:120
also ITU-R BT470BG
Definition: pixfmt.h:486
char * key
Definition: dict.h:86
int den
Denominator.
Definition: rational.h:60
#define AVERROR_UNKNOWN
Unknown error, typically from an external library.
Definition: error.h:71
static const MXFCodecUL * mxf_get_data_definition_ul(int type)
Definition: mxfenc.c:556
int field_dominance
tff=1, bff=2
Definition: mxfenc.c:88
static const UID mxf_avc_subdescriptor_key
Definition: mxfenc.c:1050
static const AVOption d10_options[]
Definition: mxfenc.c:3134
static int mxf_compare_timestamps(AVFormatContext *s, const AVPacket *next, const AVPacket *pkt)
Definition: mxfenc.c:3078
UID codec_ul
Definition: mxfenc.c:1935
struct AVPacketList * packet_buffer_end
Definition: internal.h:77
int last_key_index
index of last key frame
Definition: mxfenc.c:248
char * value
Definition: dict.h:87
int len
int ff_stream_add_bitstream_filter(AVStream *st, const char *name, const char *args)
Add a bitstream filter to a stream.
Definition: utils.c:5579
void * priv_data
Format private data.
Definition: avformat.h:1379
int ff_mxf_get_content_package_rate(AVRational time_base)
Definition: mxf.c:162
static void mxf_gen_umid(AVFormatContext *s)
Definition: mxfenc.c:2399
static void mxf_deinit(AVFormatContext *s)
Definition: mxfenc.c:3012
static void write_header(FFV1Context *f)
Definition: ffv1enc.c:346
uint8_t umid[16]
unique material identifier
Definition: mxfenc.c:257
static void mxf_write_multi_descriptor(AVFormatContext *s)
Definition: mxfenc.c:968
static void mxf_compute_edit_unit_byte_count(AVFormatContext *s)
Definition: mxfenc.c:2792
static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1423
int channels
Audio only.
Definition: codec_par.h:166
static void mxf_write_local_tags(AVIOContext *pb, const MXFLocalTagPair *local_tags, int count)
Definition: mxfenc.c:498
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
Definition: packet.h:354
AVRational av_mul_q(AVRational b, AVRational c)
Multiply two rationals.
Definition: rational.c:80
void avio_wb32(AVIOContext *s, unsigned int val)
Definition: aviobuf.c:375
#define FF_PROFILE_PRORES_PROXY
Definition: avcodec.h:1968
FILE * out
Definition: movenc.c:54
#define av_freep(p)
static const AVOption opatom_options[]
Definition: mxfenc.c:3150
#define AV_DICT_IGNORE_SUFFIX
Return first entry in a dictionary whose first part corresponds to the search key, ignoring the suffix of the found key string.
Definition: dict.h:70
unsigned edit_units_count
Definition: mxfenc.c:242
uint32_t av_get_random_seed(void)
Get a seed to use in conjunction with random functions.
Definition: random_seed.c:120
MPEG-1 4:2:0, JPEG 4:2:0, H.263 4:2:0.
Definition: pixfmt.h:557
AVCodecParameters * codecpar
Codec parameters associated with this stream.
Definition: avformat.h:1023
UID uid
Definition: mxf.h:82
static const struct @272 mxf_h264_codec_uls[]
int stream_index
Definition: packet.h:357
static const uint8_t opatom_ul[]
Definition: mxfenc.c:274
#define DESCRIPTOR_COUNT(essence_container_count)
Definition: mxfenc.c:568
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avformat.h:905
int depth
Number of bits in the component.
Definition: pixdesc.h:58
char * name
Definition: mxfdec.c:237
static int mxf_write_opatom_packet(AVFormatContext *s, AVPacket *pkt, MXFIndexEntry *ie)
Definition: mxfenc.c:2763
uint32_t flags
flags such as drop frame, +24 hours support, ...
Definition: timecode.h:43
exp golomb vlc stuff
AVRational sar
Definition: avc.h:48
static void mxf_write_mpegvideo_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1323
static void mxf_write_umid(AVFormatContext *s, int type)
Definition: mxfenc.c:431
This structure stores compressed data.
Definition: packet.h:332
static int mxf_parse_dv_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
Definition: mxfenc.c:2074
int essence_container_count
Definition: mxfenc.c:238
static void store_version(AVFormatContext *s)
Definition: mxfenc.c:702
static int mxf_write_tagged_value(AVFormatContext *s, const char *name, const char *value)
Definition: mxfenc.c:1443
static const uint8_t random_index_pack_key[]
Definition: mxfenc.c:278
int avpriv_dnxhd_get_hr_frame_size(int cid, int w, int h)
Definition: dnxhddata.c:1095
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
Definition: packet.h:348
static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st)
Definition: mxfenc.c:1435
enum MXFMetadataSetType type
Definition: mxfdec.c:230
static int mxf_interleave(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
Definition: mxfenc.c:3088
struct AVPacketList * last_in_packet_buffer
last packet in packet_buffer for this stream when muxing.
Definition: avformat.h:1100
int ff_interleave_add_packet(AVFormatContext *s, AVPacket *pkt, int(*compare)(AVFormatContext *, const AVPacket *, const AVPacket *))
Add packet to an AVFormatContext&#39;s packet_buffer list, determining its interleaved position using com...
Definition: mux.c:812
AVTimecode tc
timecode context
Definition: mxfenc.c:250
#define AV_NOPTS_VALUE
Undefined timestamp value.
Definition: avutil.h:248
static int mxf_write_footer(AVFormatContext *s)
Definition: mxfenc.c:2955
static const MXFLocalTagPair mxf_avc_subdescriptor_local_tags[]
Definition: mxfenc.c:411
uint32_t av_timecode_get_smpte_from_framenum(const AVTimecode *tc, int framenum)
Convert frame number to SMPTE 12M binary representation.
Definition: timecode.c:55
AVOutputFormat ff_mxf_opatom_muxer
Definition: mxfenc.c:3199
static const struct @268 mxf_essence_mappings[]