1 #include <movit/effect_util.h>
2 #include <movit/util.h>
3 #include <movit/resource_pool.h> // Must be above the Xlib includes.
11 #include "chroma_subsampler.h"
12 #include "decklink_output.h"
13 #include "decklink_util.h"
16 #include "print_latency.h"
18 #include "v210_converter.h"
20 using namespace movit;
22 using namespace std::chrono;
26 // This class can be deleted during regular use, so make all the metrics static.
27 once_flag decklink_metrics_inited;
28 LatencyHistogram latency_histogram;
29 atomic<int64_t> metric_decklink_output_width_pixels{-1};
30 atomic<int64_t> metric_decklink_output_height_pixels{-1};
31 atomic<int64_t> metric_decklink_output_frame_rate_den{-1};
32 atomic<int64_t> metric_decklink_output_frame_rate_nom{-1};
33 atomic<int64_t> metric_decklink_output_inflight_frames{0};
34 atomic<int64_t> metric_decklink_output_color_mismatch_frames{0};
36 atomic<int64_t> metric_decklink_output_scheduled_frames_dropped{0};
37 atomic<int64_t> metric_decklink_output_scheduled_frames_late{0};
38 atomic<int64_t> metric_decklink_output_scheduled_frames_normal{0};
39 atomic<int64_t> metric_decklink_output_scheduled_frames_preroll{0};
41 atomic<int64_t> metric_decklink_output_completed_frames_completed{0};
42 atomic<int64_t> metric_decklink_output_completed_frames_dropped{0};
43 atomic<int64_t> metric_decklink_output_completed_frames_flushed{0};
44 atomic<int64_t> metric_decklink_output_completed_frames_late{0};
45 atomic<int64_t> metric_decklink_output_completed_frames_unknown{0};
47 atomic<int64_t> metric_decklink_output_scheduled_samples{0};
49 Summary metric_decklink_output_margin_seconds;
53 DeckLinkOutput::DeckLinkOutput(ResourcePool *resource_pool, QSurface *surface, unsigned width, unsigned height, unsigned card_index)
54 : resource_pool(resource_pool), surface(surface), width(width), height(height), card_index(card_index)
56 chroma_subsampler.reset(new ChromaSubsampler(resource_pool));
58 call_once(decklink_metrics_inited, [](){
59 latency_histogram.init("decklink_output");
60 global_metrics.add("decklink_output_width_pixels", &metric_decklink_output_width_pixels, Metrics::TYPE_GAUGE);
61 global_metrics.add("decklink_output_height_pixels", &metric_decklink_output_height_pixels, Metrics::TYPE_GAUGE);
62 global_metrics.add("decklink_output_frame_rate_den", &metric_decklink_output_frame_rate_den, Metrics::TYPE_GAUGE);
63 global_metrics.add("decklink_output_frame_rate_nom", &metric_decklink_output_frame_rate_nom, Metrics::TYPE_GAUGE);
64 global_metrics.add("decklink_output_inflight_frames", &metric_decklink_output_inflight_frames, Metrics::TYPE_GAUGE);
65 global_metrics.add("decklink_output_color_mismatch_frames", &metric_decklink_output_color_mismatch_frames);
67 global_metrics.add("decklink_output_scheduled_frames", {{ "status", "dropped" }}, &metric_decklink_output_scheduled_frames_dropped);
68 global_metrics.add("decklink_output_scheduled_frames", {{ "status", "late" }}, &metric_decklink_output_scheduled_frames_late);
69 global_metrics.add("decklink_output_scheduled_frames", {{ "status", "normal" }}, &metric_decklink_output_scheduled_frames_normal);
70 global_metrics.add("decklink_output_scheduled_frames", {{ "status", "preroll" }}, &metric_decklink_output_scheduled_frames_preroll);
72 global_metrics.add("decklink_output_completed_frames", {{ "status", "completed" }}, &metric_decklink_output_completed_frames_completed);
73 global_metrics.add("decklink_output_completed_frames", {{ "status", "dropped" }}, &metric_decklink_output_completed_frames_dropped);
74 global_metrics.add("decklink_output_completed_frames", {{ "status", "flushed" }}, &metric_decklink_output_completed_frames_flushed);
75 global_metrics.add("decklink_output_completed_frames", {{ "status", "late" }}, &metric_decklink_output_completed_frames_late);
76 global_metrics.add("decklink_output_completed_frames", {{ "status", "unknown" }}, &metric_decklink_output_completed_frames_unknown);
78 global_metrics.add("decklink_output_scheduled_samples", &metric_decklink_output_scheduled_samples);
79 vector<double> quantiles{0.01, 0.1, 0.25, 0.5, 0.75, 0.9, 0.99};
80 metric_decklink_output_margin_seconds.init(quantiles, 60.0);
81 global_metrics.add("decklink_output_margin_seconds", &metric_decklink_output_margin_seconds);
85 void DeckLinkOutput::set_device(IDeckLink *decklink)
87 if (decklink->QueryInterface(IID_IDeckLinkOutput, (void**)&output) != S_OK) {
88 fprintf(stderr, "Card %u has no outputs\n", card_index);
92 IDeckLinkDisplayModeIterator *mode_it;
93 if (output->GetDisplayModeIterator(&mode_it) != S_OK) {
94 fprintf(stderr, "Failed to enumerate output display modes for card %u\n", card_index);
100 for (const auto &it : summarize_video_modes(mode_it, card_index)) {
101 if (it.second.width != width || it.second.height != height) {
105 // We could support interlaced modes, but let's stay out of it for now,
106 // since we don't have interlaced stream output.
107 if (it.second.interlaced) {
111 video_modes.insert(it);
116 // HDMI or SDI generally mean “both HDMI and SDI at the same time” on DeckLink cards
117 // that support both; pick_default_video_connection() will generally pick one of those
118 // if they exist. We're not very likely to need analog outputs, so we don't need a way
119 // to change beyond that.
120 video_connection = pick_default_video_connection(decklink, BMDDeckLinkVideoOutputConnections, card_index);
123 void DeckLinkOutput::start_output(uint32_t mode, int64_t base_pts)
126 assert(!playback_initiated);
128 if (video_modes.empty()) {
129 fprintf(stderr, "ERROR: No matching output modes for %dx%d found\n", width, height);
133 should_quit.unquit();
134 playback_initiated = true;
135 playback_started = false;
136 this->base_pts = base_pts;
138 IDeckLinkConfiguration *config = nullptr;
139 if (output->QueryInterface(IID_IDeckLinkConfiguration, (void**)&config) != S_OK) {
140 fprintf(stderr, "Failed to get configuration interface for output card\n");
143 if (config->SetFlag(bmdDeckLinkConfigLowLatencyVideoOutput, true) != S_OK) {
144 fprintf(stderr, "Failed to set low latency output\n");
147 if (config->SetInt(bmdDeckLinkConfigVideoOutputConnection, video_connection) != S_OK) {
148 fprintf(stderr, "Failed to set video output connection for card %u\n", card_index);
151 if (config->SetFlag(bmdDeckLinkConfigUse1080pNotPsF, true) != S_OK) {
152 fprintf(stderr, "Failed to set PsF flag for card\n");
155 if (config->SetFlag(bmdDeckLinkConfigSMPTELevelAOutput, true) != S_OK) {
156 // This affects at least some no-name SDI->HDMI converters.
157 // Warn, but don't die.
158 fprintf(stderr, "WARNING: Failed to enable SMTPE Level A; resolutions like 1080p60 might have issues.\n");
161 BMDDisplayModeSupport support;
162 IDeckLinkDisplayMode *display_mode;
163 BMDPixelFormat pixel_format = global_flags.ten_bit_output ? bmdFormat10BitYUV : bmdFormat8BitYUV;
164 if (output->DoesSupportVideoMode(mode, pixel_format, bmdVideoOutputFlagDefault,
165 &support, &display_mode) != S_OK) {
166 fprintf(stderr, "Couldn't ask for format support\n");
170 if (support == bmdDisplayModeNotSupported) {
171 fprintf(stderr, "Requested display mode not supported\n");
175 current_mode_flags = display_mode->GetFlags();
177 BMDTimeValue time_value;
178 BMDTimeScale time_scale;
179 if (display_mode->GetFrameRate(&time_value, &time_scale) != S_OK) {
180 fprintf(stderr, "Couldn't get frame rate\n");
184 metric_decklink_output_width_pixels = width;
185 metric_decklink_output_height_pixels = height;
186 metric_decklink_output_frame_rate_nom = time_value;
187 metric_decklink_output_frame_rate_den = time_scale;
189 frame_duration = time_value * TIMEBASE / time_scale;
191 display_mode->Release();
193 HRESULT result = output->EnableVideoOutput(mode, bmdVideoOutputFlagDefault);
194 if (result != S_OK) {
195 fprintf(stderr, "Couldn't enable output with error 0x%x\n", result);
198 if (output->SetScheduledFrameCompletionCallback(this) != S_OK) {
199 fprintf(stderr, "Couldn't set callback\n");
202 assert(OUTPUT_FREQUENCY == 48000);
203 if (output->EnableAudioOutput(bmdAudioSampleRate48kHz, bmdAudioSampleType32bitInteger, 2, bmdAudioOutputStreamTimestamped) != S_OK) {
204 fprintf(stderr, "Couldn't enable audio output\n");
207 if (output->BeginAudioPreroll() != S_OK) {
208 fprintf(stderr, "Couldn't begin audio preroll\n");
212 present_thread = thread([this]{
213 QOpenGLContext *context = create_context(this->surface);
214 eglBindAPI(EGL_OPENGL_API);
215 if (!make_current(context, this->surface)) {
216 printf("display=%p surface=%p context=%p curr=%p err=%d\n", eglGetCurrentDisplay(), this->surface, context, eglGetCurrentContext(),
220 present_thread_func();
221 delete_context(context);
225 void DeckLinkOutput::end_output()
227 if (!playback_initiated) {
232 frame_queues_changed.notify_all();
233 present_thread.join();
234 playback_initiated = false;
236 output->StopScheduledPlayback(0, nullptr, 0);
237 output->DisableVideoOutput();
238 output->DisableAudioOutput();
240 // Wait until all frames are accounted for, and free them.
242 unique_lock<mutex> lock(frame_queue_mutex);
243 while (!(frame_freelist.empty() && num_frames_in_flight == 0)) {
244 frame_queues_changed.wait(lock, [this]{ return !frame_freelist.empty(); });
245 frame_freelist.pop();
250 void DeckLinkOutput::send_frame(GLuint y_tex, GLuint cbcr_tex, YCbCrLumaCoefficients output_ycbcr_coefficients, const vector<RefCountedFrame> &input_frames, int64_t pts, int64_t duration)
252 assert(!should_quit.should_quit());
254 if ((current_mode_flags & bmdDisplayModeColorspaceRec601) && output_ycbcr_coefficients == YCBCR_REC_709) {
255 if (!last_frame_had_mode_mismatch) {
256 fprintf(stderr, "WARNING: Chosen output mode expects Rec. 601 Y'CbCr coefficients.\n");
257 fprintf(stderr, " Consider --output-ycbcr-coefficients=rec601 (or =auto).\n");
259 last_frame_had_mode_mismatch = true;
260 ++metric_decklink_output_color_mismatch_frames;
261 } else if ((current_mode_flags & bmdDisplayModeColorspaceRec709) && output_ycbcr_coefficients == YCBCR_REC_601) {
262 if (!last_frame_had_mode_mismatch) {
263 fprintf(stderr, "WARNING: Chosen output mode expects Rec. 709 Y'CbCr coefficients.\n");
264 fprintf(stderr, " Consider --output-ycbcr-coefficients=rec709 (or =auto).\n");
266 last_frame_had_mode_mismatch = true;
267 ++metric_decklink_output_color_mismatch_frames;
269 last_frame_had_mode_mismatch = false;
272 unique_ptr<Frame> frame = get_frame();
273 if (global_flags.ten_bit_output) {
274 chroma_subsampler->create_v210(y_tex, cbcr_tex, width, height, frame->uyvy_tex);
276 chroma_subsampler->create_uyvy(y_tex, cbcr_tex, width, height, frame->uyvy_tex);
279 // Download the UYVY texture to the PBO.
280 glPixelStorei(GL_PACK_ROW_LENGTH, 0);
283 glBindBuffer(GL_PIXEL_PACK_BUFFER, frame->pbo);
286 if (global_flags.ten_bit_output) {
287 glBindTexture(GL_TEXTURE_2D, frame->uyvy_tex);
289 glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, BUFFER_OFFSET(0));
292 glBindTexture(GL_TEXTURE_2D, frame->uyvy_tex);
294 glGetTexImage(GL_TEXTURE_2D, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, BUFFER_OFFSET(0));
298 glBindTexture(GL_TEXTURE_2D, 0);
300 glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
303 glMemoryBarrier(GL_TEXTURE_UPDATE_BARRIER_BIT | GL_CLIENT_MAPPED_BUFFER_BARRIER_BIT);
306 frame->fence = RefCountedGLsync(GL_SYNC_GPU_COMMANDS_COMPLETE, /*flags=*/0);
308 glFlush(); // Make the DeckLink thread see the fence as soon as possible.
311 frame->input_frames = input_frames;
312 frame->received_ts = find_received_timestamp(input_frames);
314 frame->duration = duration;
317 unique_lock<mutex> lock(frame_queue_mutex);
318 pending_video_frames.push(move(frame));
320 frame_queues_changed.notify_all();
323 void DeckLinkOutput::send_audio(int64_t pts, const std::vector<float> &samples)
325 unique_ptr<int32_t[]> int_samples(new int32_t[samples.size()]);
326 for (size_t i = 0; i < samples.size(); ++i) {
327 int_samples[i] = lrintf(samples[i] * 2147483648.0f);
330 uint32_t frames_written;
331 HRESULT result = output->ScheduleAudioSamples(int_samples.get(), samples.size() / 2,
332 pts, TIMEBASE, &frames_written);
333 if (result != S_OK) {
334 fprintf(stderr, "ScheduleAudioSamples(pts=%ld) failed (result=0x%08x)\n", pts, result);
336 if (frames_written != samples.size() / 2) {
337 fprintf(stderr, "ScheduleAudioSamples() returned short write (%u/%ld)\n", frames_written, samples.size() / 2);
340 metric_decklink_output_scheduled_samples += samples.size() / 2;
343 void DeckLinkOutput::wait_for_frame(int64_t pts, int *dropped_frames, int64_t *frame_duration, bool *is_preroll, steady_clock::time_point *frame_timestamp)
345 assert(!should_quit.should_quit());
348 *frame_duration = this->frame_duration;
350 const BMDTimeValue buffer = lrint(*frame_duration * global_flags.output_buffer_frames);
351 const BMDTimeValue max_overshoot = lrint(*frame_duration * global_flags.output_slop_frames);
352 BMDTimeValue target_time = pts - buffer;
354 // While prerolling, we send out frames as quickly as we can.
355 if (target_time < base_pts) {
357 ++metric_decklink_output_scheduled_frames_preroll;
361 *is_preroll = !playback_started;
363 if (!playback_started) {
364 if (output->EndAudioPreroll() != S_OK) {
365 fprintf(stderr, "Could not end audio preroll\n");
368 if (output->StartScheduledPlayback(base_pts, TIMEBASE, 1.0) != S_OK) {
369 fprintf(stderr, "Could not start playback\n");
372 playback_started = true;
375 BMDTimeValue stream_frame_time;
376 double playback_speed;
377 output->GetScheduledStreamTime(TIMEBASE, &stream_frame_time, &playback_speed);
379 *frame_timestamp = steady_clock::now() +
380 nanoseconds((target_time - stream_frame_time) * 1000000000 / TIMEBASE);
382 metric_decklink_output_margin_seconds.count_event(
383 (target_time - stream_frame_time) / double(TIMEBASE));
385 // If we're ahead of time, wait for the frame to (approximately) start.
386 if (stream_frame_time < target_time) {
387 should_quit.sleep_until(*frame_timestamp);
388 ++metric_decklink_output_scheduled_frames_normal;
392 // If we overshot the previous frame by just a little,
393 // fire off one immediately.
394 if (stream_frame_time < target_time + max_overshoot) {
395 fprintf(stderr, "Warning: Frame was %ld ms late (but not skipping it due to --output-slop-frames).\n",
396 lrint((stream_frame_time - target_time) * 1000.0 / TIMEBASE));
397 ++metric_decklink_output_scheduled_frames_late;
401 // Oops, we missed by more than one frame. Return immediately,
402 // but drop so that we catch up.
403 *dropped_frames = (stream_frame_time - target_time + *frame_duration - 1) / *frame_duration;
404 const int64_t ns_per_frame = this->frame_duration * 1000000000 / TIMEBASE;
405 *frame_timestamp += nanoseconds(*dropped_frames * ns_per_frame);
406 fprintf(stderr, "Dropped %d output frames; skipping.\n", *dropped_frames);
407 metric_decklink_output_scheduled_frames_dropped += *dropped_frames;
408 ++metric_decklink_output_scheduled_frames_normal;
411 uint32_t DeckLinkOutput::pick_video_mode(uint32_t mode) const
413 if (video_modes.count(mode)) {
417 // Prioritize 59.94 > 60 > 29.97. If none of those are found, then pick the highest one.
418 for (const pair<int, int> &desired : vector<pair<int, int>>{ { 60000, 1001 }, { 60, 0 }, { 30000, 1001 } }) {
419 for (const auto &it : video_modes) {
420 if (it.second.frame_rate_num * desired.second == desired.first * it.second.frame_rate_den) {
426 uint32_t best_mode = 0;
427 double best_fps = 0.0;
428 for (const auto &it : video_modes) {
429 double fps = double(it.second.frame_rate_num) / it.second.frame_rate_den;
430 if (fps > best_fps) {
431 best_mode = it.first;
438 YCbCrLumaCoefficients DeckLinkOutput::preferred_ycbcr_coefficients() const
440 if (current_mode_flags & bmdDisplayModeColorspaceRec601) {
441 return YCBCR_REC_601;
443 // Don't bother checking bmdDisplayModeColorspaceRec709;
444 // if none is set, 709 is a good default anyway.
445 return YCBCR_REC_709;
449 HRESULT DeckLinkOutput::ScheduledFrameCompleted(/* in */ IDeckLinkVideoFrame *completedFrame, /* in */ BMDOutputFrameCompletionResult result)
451 Frame *frame = static_cast<Frame *>(completedFrame);
453 case bmdOutputFrameCompleted:
454 ++metric_decklink_output_completed_frames_completed;
456 case bmdOutputFrameDisplayedLate:
457 fprintf(stderr, "Output frame displayed late (pts=%ld)\n", frame->pts);
458 fprintf(stderr, "Consider increasing --output-buffer-frames if this persists.\n");
459 ++metric_decklink_output_completed_frames_late;
461 case bmdOutputFrameDropped:
462 fprintf(stderr, "Output frame was dropped (pts=%ld)\n", frame->pts);
463 fprintf(stderr, "Consider increasing --output-buffer-frames if this persists.\n");
464 ++metric_decklink_output_completed_frames_dropped;
466 case bmdOutputFrameFlushed:
467 fprintf(stderr, "Output frame was flushed (pts=%ld)\n", frame->pts);
468 ++metric_decklink_output_completed_frames_flushed;
471 fprintf(stderr, "Output frame completed with unknown status %d\n", result);
472 ++metric_decklink_output_completed_frames_unknown;
476 static int frameno = 0;
477 print_latency("DeckLink output latency (frame received → output on HDMI):", frame->received_ts, false, &frameno, &latency_histogram);
480 lock_guard<mutex> lock(frame_queue_mutex);
481 frame_freelist.push(unique_ptr<Frame>(frame));
482 --num_frames_in_flight;
483 --metric_decklink_output_inflight_frames;
489 HRESULT DeckLinkOutput::ScheduledPlaybackHasStopped()
491 printf("playback stopped!\n");
495 unique_ptr<DeckLinkOutput::Frame> DeckLinkOutput::get_frame()
497 lock_guard<mutex> lock(frame_queue_mutex);
499 if (!frame_freelist.empty()) {
500 unique_ptr<Frame> frame = move(frame_freelist.front());
501 frame_freelist.pop();
505 unique_ptr<Frame> frame(new Frame);
508 if (global_flags.ten_bit_output) {
509 stride = v210Converter::get_v210_stride(width);
510 GLint v210_width = stride / sizeof(uint32_t);
511 frame->uyvy_tex = resource_pool->create_2d_texture(GL_RGB10_A2, v210_width, height);
513 // We need valid texture state, or NVIDIA won't allow us to write to the texture.
514 glBindTexture(GL_TEXTURE_2D, frame->uyvy_tex);
516 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
520 frame->uyvy_tex = resource_pool->create_2d_texture(GL_RGBA8, width / 2, height);
523 glGenBuffers(1, &frame->pbo);
525 glBindBuffer(GL_PIXEL_PACK_BUFFER, frame->pbo);
527 glBufferStorage(GL_PIXEL_PACK_BUFFER, stride * height, NULL, GL_MAP_READ_BIT | GL_MAP_PERSISTENT_BIT);
529 frame->uyvy_ptr = (uint8_t *)glMapBufferRange(GL_PIXEL_PACK_BUFFER, 0, stride * height, GL_MAP_READ_BIT | GL_MAP_PERSISTENT_BIT);
531 frame->uyvy_ptr_local.reset(new uint8_t[stride * height]);
532 frame->resource_pool = resource_pool;
537 void DeckLinkOutput::present_thread_func()
539 pthread_setname_np(pthread_self(), "DeckLinkOutput");
541 unique_ptr<Frame> frame;
543 unique_lock<mutex> lock(frame_queue_mutex);
544 frame_queues_changed.wait(lock, [this]{
545 return should_quit.should_quit() || !pending_video_frames.empty();
547 if (should_quit.should_quit()) {
550 frame = move(pending_video_frames.front());
551 pending_video_frames.pop();
552 ++num_frames_in_flight;
553 ++metric_decklink_output_inflight_frames;
557 int err = glClientWaitSync(frame->fence.get(), /*flags=*/0, 0);
558 if (err == GL_TIMEOUT_EXPIRED) {
559 // NVIDIA likes to busy-wait; yield instead.
560 this_thread::sleep_for(milliseconds(1));
566 frame->fence.reset();
568 if (global_flags.ten_bit_output) {
569 memcpy(frame->uyvy_ptr_local.get(), frame->uyvy_ptr, v210Converter::get_v210_stride(width) * height);
571 memcpy(frame->uyvy_ptr_local.get(), frame->uyvy_ptr, width * height * 2);
574 // Release any input frames we needed to render this frame.
575 frame->input_frames.clear();
577 BMDTimeValue pts = frame->pts;
578 BMDTimeValue duration = frame->duration;
579 HRESULT res = output->ScheduleVideoFrame(frame.get(), pts, duration, TIMEBASE);
581 frame.release(); // Owned by the driver now.
583 fprintf(stderr, "Could not schedule video frame! (error=0x%08x)\n", res);
585 lock_guard<mutex> lock(frame_queue_mutex);
586 frame_freelist.push(move(frame));
587 --num_frames_in_flight;
588 --metric_decklink_output_inflight_frames;
593 HRESULT STDMETHODCALLTYPE DeckLinkOutput::QueryInterface(REFIID, LPVOID *)
595 return E_NOINTERFACE;
598 ULONG STDMETHODCALLTYPE DeckLinkOutput::AddRef()
600 return refcount.fetch_add(1) + 1;
603 ULONG STDMETHODCALLTYPE DeckLinkOutput::Release()
605 int new_ref = refcount.fetch_sub(1) - 1;
611 DeckLinkOutput::Frame::~Frame()
613 glBindBuffer(GL_PIXEL_PACK_BUFFER, pbo);
615 glUnmapBuffer(GL_PIXEL_PACK_BUFFER);
617 glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
619 glDeleteBuffers(1, &pbo);
621 resource_pool->release_2d_texture(uyvy_tex);
625 HRESULT STDMETHODCALLTYPE DeckLinkOutput::Frame::QueryInterface(REFIID, LPVOID *)
627 return E_NOINTERFACE;
630 ULONG STDMETHODCALLTYPE DeckLinkOutput::Frame::AddRef()
632 return refcount.fetch_add(1) + 1;
635 ULONG STDMETHODCALLTYPE DeckLinkOutput::Frame::Release()
637 int new_ref = refcount.fetch_sub(1) - 1;
643 long DeckLinkOutput::Frame::GetWidth()
645 return global_flags.width;
648 long DeckLinkOutput::Frame::GetHeight()
650 return global_flags.height;
653 long DeckLinkOutput::Frame::GetRowBytes()
655 if (global_flags.ten_bit_output) {
656 return v210Converter::get_v210_stride(global_flags.width);
658 return global_flags.width * 2;
662 BMDPixelFormat DeckLinkOutput::Frame::GetPixelFormat()
664 if (global_flags.ten_bit_output) {
665 return bmdFormat10BitYUV;
667 return bmdFormat8BitYUV;
671 BMDFrameFlags DeckLinkOutput::Frame::GetFlags()
673 return bmdFrameFlagDefault;
676 HRESULT DeckLinkOutput::Frame::GetBytes(/* out */ void **buffer)
678 *buffer = uyvy_ptr_local.get();
682 HRESULT DeckLinkOutput::Frame::GetTimecode(/* in */ BMDTimecodeFormat format, /* out */ IDeckLinkTimecode **timecode)
684 fprintf(stderr, "STUB: GetTimecode()\n");
688 HRESULT DeckLinkOutput::Frame::GetAncillaryData(/* out */ IDeckLinkVideoFrameAncillary **ancillary)
690 fprintf(stderr, "STUB: GetAncillaryData()\n");