28 #include <DeckLinkAPI.h> 30 #include <DeckLinkAPI_i.c> 37 #pragma clang diagnostic push 38 #pragma clang diagnostic ignored "-Wmissing-prototypes" 40 #include <DeckLinkAPIDispatch.cpp> 42 #pragma clang diagnostic pop 58 IDeckLinkIterator *iter;
61 if (CoInitialize(
NULL) < 0) {
66 if (CoCreateInstance(CLSID_CDeckLinkIterator,
NULL, CLSCTX_ALL,
67 IID_IDeckLinkIterator, (
void**) &iter) != S_OK) {
71 iter = CreateDeckLinkIteratorInstance();
75 "Make sure you have DeckLink drivers " BLACKMAGIC_DECKLINK_API_VERSION_STRING
" or newer installed.\n");
88 hr = attr->GetString(cfg_id, &tmp);
95 }
else if (hr == E_FAIL) {
105 BMDDeckLinkAttributeID attr_id = (cfg_id == bmdDeckLinkConfigAudioInputConnection) ? BMDDeckLinkAudioInputConnections : BMDDeckLinkVideoInputConnections;
107 const char *type_name = (cfg_id == bmdDeckLinkConfigAudioInputConnection) ?
"audio" :
"video";
108 int64_t supported_connections = 0;
112 res =
ctx->attr->GetInt(attr_id, &supported_connections);
117 if ((supported_connections & bmd_input) != bmd_input) {
118 av_log(avctx,
AV_LOG_ERROR,
"Device does not support selected %s input.\n", type_name);
121 res =
ctx->cfg->SetInt(cfg_id, bmd_input);
138 if (field_order ==
AV_FIELD_PROGRESSIVE && (bmd_field_order == bmdProgressiveFrame || bmd_field_order == bmdProgressiveSegmentedFrame))
149 if (
ctx->duplex_mode) {
152 #if BLACKMAGIC_DECKLINK_API_VERSION >= 0x0b000000 153 IDeckLinkProfileManager *manager =
NULL;
154 if (
ctx->dl->QueryInterface(IID_IDeckLinkProfileManager, (
void **)&manager) == S_OK)
155 duplex_supported =
true;
157 if (
ctx->attr->GetFlag(BMDDeckLinkSupportsDuplexModeConfiguration, &duplex_supported) != S_OK)
158 duplex_supported =
false;
161 if (duplex_supported) {
162 #if BLACKMAGIC_DECKLINK_API_VERSION >= 0x0b000000 164 BMDProfileID bmd_profile_id =
ctx->duplex_mode == 2 ? bmdProfileOneSubDeviceFullDuplex : bmdProfileTwoSubDevicesHalfDuplex;
165 res = manager->GetProfile(bmd_profile_id, &profile);
167 res = profile->SetActive();
172 res =
ctx->cfg->SetInt(bmdDeckLinkConfigDuplexMode,
ctx->duplex_mode == 2 ? bmdDuplexModeFull : bmdDuplexModeHalf);
177 av_log(avctx,
AV_LOG_VERBOSE,
"Successfully set duplex mode to %s duplex.\n",
ctx->duplex_mode == 2 ?
"full" :
"half");
192 res =
ctx->cfg->SetInt(bmdDeckLinkConfigReferenceInputTimingOffset, cctx->
timing_offset);
201 int tb_num,
int tb_den,
207 #if BLACKMAGIC_DECKLINK_API_VERSION >= 0x0b000000 210 BMDDisplayModeSupport support;
212 IDeckLinkDisplayModeIterator *itermode;
213 IDeckLinkDisplayMode *
mode;
217 av_log(avctx,
AV_LOG_DEBUG,
"Trying to find mode for frame size %dx%d, frame timing %d/%d, field order %d, direction %d, format code %s\n",
218 width, height, tb_num, tb_den, field_order, direction, cctx->
format_code ? cctx->
format_code :
"(unset)");
221 res =
ctx->dli->GetDisplayModeIterator (&itermode);
223 res =
ctx->dlo->GetDisplayModeIterator (&itermode);
231 char format_buf[] =
" ";
234 BMDDisplayMode target_mode = (BMDDisplayMode)
AV_RB32(format_buf);
236 ctx->bmd_mode = bmdModeUnknown;
237 while ((
ctx->bmd_mode == bmdModeUnknown) && itermode->Next(&mode) == S_OK) {
238 BMDTimeValue bmd_tb_num, bmd_tb_den;
239 int bmd_width = mode->GetWidth();
240 int bmd_height = mode->GetHeight();
241 BMDDisplayMode bmd_mode = mode->GetDisplayMode();
242 BMDFieldDominance bmd_field_dominance = mode->GetFieldDominance();
244 mode->GetFrameRate(&bmd_tb_num, &bmd_tb_den);
247 if ((bmd_width == width &&
248 bmd_height == height &&
251 || target_mode == bmd_mode) {
252 ctx->bmd_mode = bmd_mode;
253 ctx->bmd_width = bmd_width;
254 ctx->bmd_height = bmd_height;
255 ctx->bmd_tb_den = bmd_tb_den;
256 ctx->bmd_tb_num = bmd_tb_num;
257 ctx->bmd_field_dominance = bmd_field_dominance;
259 bmd_width, bmd_height, 1/
av_q2d(mode_tb),
260 (
ctx->bmd_field_dominance==bmdLowerFieldFirst ||
ctx->bmd_field_dominance==bmdUpperFieldFirst)?
"(i)":
"");
269 if (
ctx->bmd_mode == bmdModeUnknown)
272 #if BLACKMAGIC_DECKLINK_API_VERSION >= 0x0b050000 274 BMDDisplayMode actualMode =
ctx->bmd_mode;
275 if (
ctx->dli->DoesSupportVideoMode(
ctx->video_input,
ctx->bmd_mode, (BMDPixelFormat) cctx->
raw_format,
276 bmdNoVideoInputConversion, bmdSupportedVideoModeDefault,
277 &actualMode, &support) != S_OK || !support ||
ctx->bmd_mode != actualMode)
280 BMDDisplayMode actualMode =
ctx->bmd_mode;
281 if (
ctx->dlo->DoesSupportVideoMode(bmdVideoConnectionUnspecified,
ctx->bmd_mode,
ctx->raw_format,
282 bmdNoVideoOutputConversion, bmdSupportedVideoModeDefault,
283 &actualMode, &support) != S_OK || !support ||
ctx->bmd_mode != actualMode)
287 #elif BLACKMAGIC_DECKLINK_API_VERSION >= 0x0b000000 289 if (
ctx->dli->DoesSupportVideoMode(
ctx->video_input,
ctx->bmd_mode, (BMDPixelFormat) cctx->
raw_format,
290 bmdSupportedVideoModeDefault,
294 BMDDisplayMode actualMode =
ctx->bmd_mode;
295 if (
ctx->dlo->DoesSupportVideoMode(bmdVideoConnectionUnspecified,
ctx->bmd_mode,
ctx->raw_format,
296 bmdSupportedVideoModeDefault,
297 &actualMode, &support) != S_OK || !support ||
ctx->bmd_mode != actualMode) {
306 if (
ctx->dli->DoesSupportVideoMode(
ctx->bmd_mode, (BMDPixelFormat) cctx->
raw_format,
307 bmdVideoOutputFlagDefault,
308 &support,
NULL) != S_OK)
311 if (!
ctx->supports_vanc ||
ctx->dlo->DoesSupportVideoMode(
ctx->bmd_mode,
ctx->raw_format,
313 &support,
NULL) != S_OK || support != bmdDisplayModeSupported) {
315 if (
ctx->dlo->DoesSupportVideoMode(
ctx->bmd_mode,
ctx->raw_format,
316 bmdVideoOutputFlagDefault,
317 &support,
NULL) != S_OK) {
320 ctx->supports_vanc = 0;
324 if (support == bmdDisplayModeSupported)
337 int show_inputs,
int show_outputs)
339 IDeckLink *dl =
NULL;
346 while (ret == 0 && iter->Next(&dl) == S_OK) {
347 IDeckLinkOutput *output_config;
348 IDeckLinkInput *input_config;
349 const char *display_name =
NULL;
350 const char *unique_name =
NULL;
362 if (dl->QueryInterface(IID_IDeckLinkOutput, (
void **)&output_config) == S_OK) {
363 output_config->Release();
369 if (dl->QueryInterface(IID_IDeckLinkInput, (
void **)&input_config) == S_OK) {
370 input_config->Release();
409 int show_inputs,
int show_outputs)
421 show_inputs ?
"input" :
"output");
433 IDeckLinkDisplayModeIterator *itermode;
434 IDeckLinkDisplayMode *
mode;
446 res =
ctx->dli->GetDisplayModeIterator (&itermode);
448 res =
ctx->dlo->GetDisplayModeIterator (&itermode);
456 av_log(avctx,
AV_LOG_INFO,
"Supported formats for '%s':\n\tformat_code\tdescription",
458 while (itermode->Next(&mode) == S_OK) {
459 BMDTimeValue tb_num, tb_den;
460 mode->GetFrameRate(&tb_num, &tb_den);
461 format_code =
av_bswap32(mode->GetDisplayMode());
463 (
char*) &format_code, mode->GetWidth(), mode->GetHeight(),
464 (
int) tb_den, (
int) tb_num);
465 switch (mode->GetFieldDominance()) {
466 case bmdLowerFieldFirst:
468 case bmdUpperFieldFirst:
490 ctx->attr->Release();
501 IDeckLink *dl =
NULL;
506 while (iter->Next(&dl) == S_OK) {
507 const char *display_name =
NULL;
508 const char *unique_name =
NULL;
511 if (display_name && !strcmp(name, display_name) || unique_name && !strcmp(name, unique_name)) {
525 if (
ctx->dl->QueryInterface(IID_IDeckLinkConfiguration, (
void **)&
ctx->cfg) != S_OK) {
526 av_log(avctx,
AV_LOG_ERROR,
"Could not get configuration interface for '%s'\n", name);
Structure describes basic parameters of the device.
char * device_description
human friendly name
#define AV_LOG_WARNING
Something somehow does not look correct.
char * device_name
device name, format depends on device
int ff_decklink_init_device(AVFormatContext *avctx, const char *name)
static DECKLINK_BOOL field_order_eq(enum AVFieldOrder field_order, BMDFieldDominance bmd_field_order)
void avdevice_free_list_devices(AVDeviceInfoList **device_list)
Convenient function to free result of avdevice_list_devices().
void ff_decklink_list_devices_legacy(AVFormatContext *avctx, int show_inputs, int show_outputs)
static double av_q2d(AVRational a)
Convert an AVRational to a double.
#define AV_LOG_VERBOSE
Detailed information.
int av_dynarray_add_nofree(void *tab_ptr, int *nb_ptr, void *elem)
Add an element to a dynamic array.
int ff_decklink_list_devices(AVFormatContext *avctx, struct AVDeviceInfoList *device_list, int show_inputs, int show_outputs)
static IDeckLinkIterator * decklink_create_iterator(AVFormatContext *avctx)
Main libavdevice API header.
#define i(width, name, range_min, range_max)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
char * url
input or output URL.
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
static int decklink_get_attr_string(IDeckLink *dl, BMDDeckLinkAttributeID cfg_id, const char **s)
AVDeviceInfo ** devices
list of autodetected devices
int ff_decklink_set_configs(AVFormatContext *avctx, decklink_direction_t direction)
int ff_decklink_list_formats(AVFormatContext *avctx, decklink_direction_t direction)
int ff_decklink_set_format(AVFormatContext *avctx, int width, int height, int tb_num, int tb_den, enum AVFieldOrder field_order, decklink_direction_t direction)
#define AV_LOG_INFO
Standard information.
char * av_strdup(const char *s)
Duplicate a string.
static AVRational av_make_q(int num, int den)
Create an AVRational.
#define IID_IDeckLinkProfileAttributes
static int decklink_select_input(AVFormatContext *avctx, BMDDeckLinkConfigurationID cfg_id)
Rational number (pair of numerator and denominator).
void ff_decklink_cleanup(AVFormatContext *avctx)
static int av_cmp_q(AVRational a, AVRational b)
Compare two rationals.
void * priv_data
Format private data.
int nb_devices
number of autodetected devices
#define AVERROR_EXTERNAL
Generic error in an external library.
mode
Use these values in ebur128_init (or'ed).
#define IDeckLinkProfileAttributes