62 #define OFFSET(x) offsetof(HistogramContext, x) 63 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM 65 #define COMMON_OPTIONS \ 66 { "display_mode", "set display mode", OFFSET(display_mode), AV_OPT_TYPE_INT, {.i64=2}, 0, 2, FLAGS, "display_mode"}, \ 67 { "d", "set display mode", OFFSET(display_mode), AV_OPT_TYPE_INT, {.i64=2}, 0, 2, FLAGS, "display_mode"}, \ 68 { "overlay", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "display_mode" }, \ 69 { "parade", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "display_mode" }, \ 70 { "stack", NULL, 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "display_mode" }, \ 71 { "levels_mode", "set levels mode", OFFSET(levels_mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS, "levels_mode"}, \ 72 { "m", "set levels mode", OFFSET(levels_mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS, "levels_mode"}, \ 73 { "linear", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "levels_mode" }, \ 74 { "logarithmic", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "levels_mode" }, \ 75 { "components", "set color components to display", OFFSET(components), AV_OPT_TYPE_INT, {.i64=7}, 1, 15, FLAGS}, \ 76 { "c", "set color components to display", OFFSET(components), AV_OPT_TYPE_INT, {.i64=7}, 1, 15, FLAGS}, 177 if (rgb && bits == 8)
179 else if (rgb && bits == 9)
181 else if (rgb && bits == 10)
183 else if (rgb && bits == 12)
297 for (k = 0; k < 4 && out->
data[k]; k++) {
298 const int is_chroma = (k == 1 || k == 2);
303 for (i = 0; i < dst_h ; i++)
310 for (i = 0; i < dst_h ; i++)
311 for (j = 0; j < dst_w; j++)
319 for (m = 0, k = 0; k < s->
ncomp; k++) {
325 unsigned max_hval = 0;
339 for (i = 0; i <
height; i++) {
341 for (j = 0; j <
width; j++)
345 for (i = 0; i <
height; i++) {
346 const uint16_t *
src = (
const uint16_t *)(in->
data[p] + i * in->
linesize[p]);
347 for (j = 0; j <
width; j++)
354 max_hval_log =
log2(max_hval + 1);
364 minh =
FFMIN(minh, i);
365 maxh =
FFMAX(maxh, i);
415 for (l = 0; l < s->
dncomp; l++)
418 out->
data[p][(j + starty) * out->
linesize[p] + startx + i] = 255;
422 out->
data[p][(j + starty) * out->
linesize[p] + startx + i] = i;
428 for (l = 0; l < s->
dncomp; l++)
478 #if CONFIG_HISTOGRAM_FILTER 487 .priv_class = &histogram_class,
492 #if CONFIG_THISTOGRAM_FILTER 494 static const AVOption thistogram_options[] = {
510 .
name =
"thistogram",
516 .priv_class = &thistogram_class,
static enum AVPixelFormat levels_out_yuv8_pix_fmts[]
int plane
Which of the 4 planes contains the component.
#define RGB_TO_Y_BT709(r, g, b)
#define AV_PIX_FMT_YUVA422P9
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
This structure describes decoded (raw) audio or video data.
#define AV_PIX_FMT_YUVA420P10
#define AV_PIX_FMT_GBRAP10
#define AV_PIX_FMT_YUVA422P10
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Main libavfilter public API header.
unsigned histogram[256 *256]
static enum AVPixelFormat levels_out_rgb8_pix_fmts[]
int h
agreed upon image height
#define AV_PIX_FMT_GBRP10
#define AV_PIX_FMT_YUV420P12
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
static enum AVPixelFormat levels_out_rgb12_pix_fmts[]
const char * name
Pad name.
AVFilterLink ** inputs
array of pointers to input links
static const uint8_t black_gbrp_color[4]
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
const AVPixFmtDescriptor * odesc
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
#define RGB_TO_V_BT709(r1, g1, b1, shift)
#define AV_PIX_FMT_YUVA420P9
static const AVFilterPad inputs[]
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
static int config_input(AVFilterLink *inlink)
#define AV_PIX_FMT_YUV422P12
static const AVFilterPad outputs[]
#define RGB_TO_U_BT709(r1, g1, b1, shift)
A filter pad used for either input or output.
A link between two filters.
static const uint8_t white_gbrp_color[4]
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
#define i(width, name, range_min, range_max)
Various defines for YUV<->RGB conversion.
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
#define AV_PIX_FMT_FLAG_RGB
The pixel format contains RGB-like data (as opposed to YUV/grayscale).
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
void * priv
private data for use by the filter
#define AV_PIX_FMT_GBRAP12
simple assert() macros that are a bit more flexible than ISO C assert().
AVFilterFormats * in_formats
Lists of formats and channel layouts supported by the input and output filters respectively.
#define AV_PIX_FMT_YUV444P10
static enum AVPixelFormat levels_out_rgb10_pix_fmts[]
static enum AVPixelFormat levels_in_pix_fmts[]
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
int w
agreed upon image width
uint64_t flags
Combination of AV_PIX_FMT_FLAG_...
#define AV_PIX_FMT_YUV422P9
uint8_t nb_components
The number of components each pixel has, (1-4)
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
#define AV_PIX_FMT_YUVA444P12
uint8_t envelope_color[4]
AVFilterContext * src
source filter
#define AV_PIX_FMT_YUVA444P10
static const AVOption histogram_options[]
#define AV_PIX_FMT_YUV444P9
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
int format
agreed upon media format
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
const AVPixFmtDescriptor * desc
static int config_output(AVFilterLink *outlink)
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(const int16_t *) pi >> 8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(const int32_t *) pi >> 24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(const float *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(const float *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(const float *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(const double *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(const double *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(const double *) pi *(1U<< 31)))) #define SET_CONV_FUNC_GROUP(ofmt, ifmt) static void set_generic_function(AudioConvert *ac) { } void ff_audio_convert_free(AudioConvert **ac) { if(! *ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);} AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, int sample_rate, int apply_map) { AudioConvert *ac;int in_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) return NULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method !=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt) > 2) { ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc) { av_free(ac);return NULL;} return ac;} in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar) { ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar ? ac->channels :1;} else if(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;else ac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);return ac;} int ff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in) { int use_generic=1;int len=in->nb_samples;int p;if(ac->dc) { av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (dithered)\", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> in
#define AV_PIX_FMT_YUV420P10
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Describe the class of an AVClass context structure.
Rational number (pair of numerator and denominator).
static const uint8_t white_yuva_color[4]
const char * name
Filter name.
#define AV_PIX_FMT_YUV440P12
static enum AVPixelFormat levels_out_yuv12_pix_fmts[]
#define AV_PIX_FMT_YUV420P9
AVRational sample_aspect_ratio
agreed upon sample aspect ratio
AVFilterLink ** outputs
array of pointers to output links
static enum AVPixelFormat levels_out_rgb9_pix_fmts[]
#define AV_PIX_FMT_GBRP12
#define AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV444P12
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
AVFILTER_DEFINE_CLASS(histogram)
planar GBRA 4:4:4:4 32bpp
#define AV_PIX_FMT_YUVA444P9
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
static enum AVPixelFormat out_pix_fmts[]
static int query_formats(AVFilterContext *ctx)
static const uint8_t black_yuva_color[4]
AVFilterContext * dst
dest filter
AVFilter ff_vf_thistogram
static enum AVPixelFormat levels_out_yuv9_pix_fmts[]
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor ...
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
int depth
Number of bits in the component.
static enum AVPixelFormat levels_out_yuv10_pix_fmts[]
AVPixelFormat
Pixel format.
const AVFilter * filter
the AVFilter of which this is an instance
AVFilterFormats * out_formats
#define AV_PIX_FMT_YUVA422P12
#define AV_CEIL_RSHIFT(a, b)