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"
15 #include "shared/metrics.h"
16 #include "print_latency.h"
17 #include "shared/timebase.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 bool DeckLinkOutput::set_device(IDeckLink *decklink)
87 if (decklink->QueryInterface(IID_IDeckLinkInput, (void**)&input) != S_OK) {
90 if (decklink->QueryInterface(IID_IDeckLinkOutput, (void**)&output) != S_OK) {
91 fprintf(stderr, "Warning: Card %u has no outputs\n", card_index);
95 IDeckLinkDisplayModeIterator *mode_it;
96 if (output->GetDisplayModeIterator(&mode_it) != S_OK) {
97 fprintf(stderr, "Warning: Failed to enumerate output display modes for card %u\n", card_index);
103 for (const auto &it : summarize_video_modes(mode_it, card_index)) {
104 if (it.second.width != width || it.second.height != height) {
108 // We could support interlaced modes, but let's stay out of it for now,
109 // since we don't have interlaced stream output.
110 if (it.second.interlaced) {
114 video_modes.insert(it);
119 // HDMI or SDI generally mean “both HDMI and SDI at the same time” on DeckLink cards
120 // that support both; pick_default_video_connection() will generally pick one of those
121 // if they exist. (--prefer-hdmi-input would also affect the selection despite the name
122 // of the option, but since either generally means both, it's inconsequential.)
123 // We're not very likely to need analog outputs, so we don't need a way to change
125 video_connection = pick_default_video_connection(decklink, BMDDeckLinkVideoOutputConnections, card_index);
129 void DeckLinkOutput::start_output(uint32_t mode, int64_t base_pts)
132 assert(!playback_initiated);
134 if (video_modes.empty()) {
135 fprintf(stderr, "ERROR: No matching output modes for %dx%d found\n", width, height);
139 should_quit.unquit();
140 playback_initiated = true;
141 playback_started = false;
142 this->base_pts = base_pts;
144 IDeckLinkConfiguration *config = nullptr;
145 if (output->QueryInterface(IID_IDeckLinkConfiguration, (void**)&config) != S_OK) {
146 fprintf(stderr, "Failed to get configuration interface for output card\n");
149 if (config->SetFlag(bmdDeckLinkConfigLowLatencyVideoOutput, true) != S_OK) {
150 fprintf(stderr, "Failed to set low latency output\n");
153 if (config->SetInt(bmdDeckLinkConfigVideoOutputConnection, video_connection) != S_OK) {
154 fprintf(stderr, "Failed to set video output connection for card %u\n", card_index);
157 if (config->SetFlag(bmdDeckLinkConfigUse1080pNotPsF, true) != S_OK) {
158 fprintf(stderr, "Failed to set PsF flag for card\n");
161 if (config->SetFlag(bmdDeckLinkConfigSMPTELevelAOutput, true) != S_OK) {
162 // This affects at least some no-name SDI->HDMI converters.
163 // Warn, but don't die.
164 fprintf(stderr, "WARNING: Failed to enable SMTPE Level A; resolutions like 1080p60 might have issues.\n");
167 BMDDisplayModeSupport support;
168 IDeckLinkDisplayMode *display_mode;
169 BMDPixelFormat pixel_format = global_flags.ten_bit_output ? bmdFormat10BitYUV : bmdFormat8BitYUV;
170 if (output->DoesSupportVideoMode(mode, pixel_format, bmdVideoOutputFlagDefault,
171 &support, &display_mode) != S_OK) {
172 fprintf(stderr, "Couldn't ask for format support\n");
176 if (support == bmdDisplayModeNotSupported) {
177 fprintf(stderr, "Requested display mode not supported\n");
181 current_mode_flags = display_mode->GetFlags();
183 BMDTimeValue time_value;
184 BMDTimeScale time_scale;
185 if (display_mode->GetFrameRate(&time_value, &time_scale) != S_OK) {
186 fprintf(stderr, "Couldn't get frame rate\n");
190 metric_decklink_output_width_pixels = width;
191 metric_decklink_output_height_pixels = height;
192 metric_decklink_output_frame_rate_nom = time_value;
193 metric_decklink_output_frame_rate_den = time_scale;
195 frame_duration = time_value * TIMEBASE / time_scale;
197 display_mode->Release();
199 if (input != nullptr) {
200 if (input->DisableVideoInput() != S_OK) {
201 fprintf(stderr, "Warning: Failed to disable video input for card %d\n", card_index);
203 if (input->DisableAudioInput() != S_OK) {
204 fprintf(stderr, "Warning: Failed to disable audio input for card %d\n", card_index);
208 HRESULT result = output->EnableVideoOutput(mode, bmdVideoOutputFlagDefault);
209 if (result != S_OK) {
210 fprintf(stderr, "Couldn't enable output with error 0x%x\n", result);
213 if (output->SetScheduledFrameCompletionCallback(this) != S_OK) {
214 fprintf(stderr, "Couldn't set callback\n");
217 assert(OUTPUT_FREQUENCY == 48000);
218 if (output->EnableAudioOutput(bmdAudioSampleRate48kHz, bmdAudioSampleType32bitInteger, 2, bmdAudioOutputStreamTimestamped) != S_OK) {
219 fprintf(stderr, "Couldn't enable audio output\n");
222 if (output->BeginAudioPreroll() != S_OK) {
223 fprintf(stderr, "Couldn't begin audio preroll\n");
227 present_thread = thread([this]{
228 QOpenGLContext *context = create_context(this->surface);
229 eglBindAPI(EGL_OPENGL_API);
230 if (!make_current(context, this->surface)) {
231 printf("display=%p surface=%p context=%p curr=%p err=%d\n", eglGetCurrentDisplay(), this->surface, context, eglGetCurrentContext(),
235 present_thread_func();
236 delete_context(context);
240 void DeckLinkOutput::end_output()
242 if (!playback_initiated) {
247 frame_queues_changed.notify_all();
248 present_thread.join();
249 playback_initiated = false;
251 output->StopScheduledPlayback(0, nullptr, 0);
252 output->DisableVideoOutput();
253 output->DisableAudioOutput();
255 // Wait until all frames are accounted for, and free them.
257 unique_lock<mutex> lock(frame_queue_mutex);
258 while (!(frame_freelist.empty() && num_frames_in_flight == 0)) {
259 frame_queues_changed.wait(lock, [this]{ return !frame_freelist.empty(); });
260 frame_freelist.pop();
264 if (input != nullptr) {
268 if (output != nullptr) {
274 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)
276 assert(!should_quit.should_quit());
278 if ((current_mode_flags & bmdDisplayModeColorspaceRec601) && output_ycbcr_coefficients == YCBCR_REC_709) {
279 if (!last_frame_had_mode_mismatch) {
280 fprintf(stderr, "WARNING: Chosen output mode expects Rec. 601 Y'CbCr coefficients.\n");
281 fprintf(stderr, " Consider --output-ycbcr-coefficients=rec601 (or =auto).\n");
283 last_frame_had_mode_mismatch = true;
284 ++metric_decklink_output_color_mismatch_frames;
285 } else if ((current_mode_flags & bmdDisplayModeColorspaceRec709) && output_ycbcr_coefficients == YCBCR_REC_601) {
286 if (!last_frame_had_mode_mismatch) {
287 fprintf(stderr, "WARNING: Chosen output mode expects Rec. 709 Y'CbCr coefficients.\n");
288 fprintf(stderr, " Consider --output-ycbcr-coefficients=rec709 (or =auto).\n");
290 last_frame_had_mode_mismatch = true;
291 ++metric_decklink_output_color_mismatch_frames;
293 last_frame_had_mode_mismatch = false;
296 unique_ptr<Frame> frame = get_frame();
297 if (global_flags.ten_bit_output) {
298 chroma_subsampler->create_v210(y_tex, cbcr_tex, width, height, frame->uyvy_tex);
300 chroma_subsampler->create_uyvy(y_tex, cbcr_tex, width, height, frame->uyvy_tex);
303 // Download the UYVY texture to the PBO.
304 glPixelStorei(GL_PACK_ROW_LENGTH, 0);
307 glBindBuffer(GL_PIXEL_PACK_BUFFER, frame->pbo);
310 if (global_flags.ten_bit_output) {
311 glBindTexture(GL_TEXTURE_2D, frame->uyvy_tex);
313 glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, BUFFER_OFFSET(0));
316 glBindTexture(GL_TEXTURE_2D, frame->uyvy_tex);
318 glGetTexImage(GL_TEXTURE_2D, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, BUFFER_OFFSET(0));
322 glBindTexture(GL_TEXTURE_2D, 0);
324 glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
327 glMemoryBarrier(GL_TEXTURE_UPDATE_BARRIER_BIT | GL_CLIENT_MAPPED_BUFFER_BARRIER_BIT);
330 frame->fence = RefCountedGLsync(GL_SYNC_GPU_COMMANDS_COMPLETE, /*flags=*/0);
332 glFlush(); // Make the DeckLink thread see the fence as soon as possible.
335 frame->input_frames = input_frames;
336 frame->received_ts = find_received_timestamp(input_frames);
338 frame->duration = duration;
341 lock_guard<mutex> lock(frame_queue_mutex);
342 pending_video_frames.push(move(frame));
344 frame_queues_changed.notify_all();
347 void DeckLinkOutput::send_audio(int64_t pts, const std::vector<float> &samples)
349 unique_ptr<int32_t[]> int_samples(new int32_t[samples.size()]);
350 for (size_t i = 0; i < samples.size(); ++i) {
351 int_samples[i] = lrintf(samples[i] * 2147483648.0f);
354 uint32_t frames_written;
355 HRESULT result = output->ScheduleAudioSamples(int_samples.get(), samples.size() / 2,
356 pts, TIMEBASE, &frames_written);
357 if (result != S_OK) {
358 fprintf(stderr, "ScheduleAudioSamples(pts=%" PRId64 ") failed (result=0x%08x)\n", pts, result);
360 if (frames_written != samples.size() / 2) {
361 fprintf(stderr, "ScheduleAudioSamples() returned short write (%u/%zu)\n", frames_written, samples.size() / 2);
364 metric_decklink_output_scheduled_samples += samples.size() / 2;
367 void DeckLinkOutput::wait_for_frame(int64_t pts, int *dropped_frames, int64_t *frame_duration, bool *is_preroll, steady_clock::time_point *frame_timestamp)
369 assert(!should_quit.should_quit());
372 *frame_duration = this->frame_duration;
374 const BMDTimeValue buffer = lrint(*frame_duration * global_flags.output_buffer_frames);
375 const BMDTimeValue max_overshoot = lrint(*frame_duration * global_flags.output_slop_frames);
376 BMDTimeValue target_time = pts - buffer;
378 // While prerolling, we send out frames as quickly as we can.
379 if (target_time < base_pts) {
381 ++metric_decklink_output_scheduled_frames_preroll;
385 *is_preroll = !playback_started;
387 if (!playback_started) {
388 if (output->EndAudioPreroll() != S_OK) {
389 fprintf(stderr, "Could not end audio preroll\n");
392 if (output->StartScheduledPlayback(base_pts, TIMEBASE, 1.0) != S_OK) {
393 fprintf(stderr, "Could not start playback\n");
396 playback_started = true;
399 BMDTimeValue stream_frame_time;
400 double playback_speed;
401 output->GetScheduledStreamTime(TIMEBASE, &stream_frame_time, &playback_speed);
403 *frame_timestamp = steady_clock::now() +
404 nanoseconds((target_time - stream_frame_time) * 1000000000 / TIMEBASE);
406 metric_decklink_output_margin_seconds.count_event(
407 (target_time - stream_frame_time) / double(TIMEBASE));
409 // If we're ahead of time, wait for the frame to (approximately) start.
410 if (stream_frame_time < target_time) {
411 should_quit.sleep_until(*frame_timestamp);
412 ++metric_decklink_output_scheduled_frames_normal;
416 // If we overshot the previous frame by just a little,
417 // fire off one immediately.
418 if (stream_frame_time < target_time + max_overshoot) {
419 fprintf(stderr, "Warning: Frame was %ld ms late (but not skipping it due to --output-slop-frames).\n",
420 lrint((stream_frame_time - target_time) * 1000.0 / TIMEBASE));
421 ++metric_decklink_output_scheduled_frames_late;
425 // Oops, we missed by more than one frame. Return immediately,
426 // but drop so that we catch up.
427 *dropped_frames = (stream_frame_time - target_time + *frame_duration - 1) / *frame_duration;
428 const int64_t ns_per_frame = this->frame_duration * 1000000000 / TIMEBASE;
429 *frame_timestamp += nanoseconds(*dropped_frames * ns_per_frame);
430 fprintf(stderr, "Dropped %d output frames; skipping.\n", *dropped_frames);
431 metric_decklink_output_scheduled_frames_dropped += *dropped_frames;
432 ++metric_decklink_output_scheduled_frames_normal;
435 uint32_t DeckLinkOutput::pick_video_mode(uint32_t mode) const
437 if (video_modes.count(mode)) {
441 // Prioritize 59.94 > 60 > 29.97. If none of those are found, then pick the highest one.
442 for (const pair<int, int> &desired : vector<pair<int, int>>{ { 60000, 1001 }, { 60, 0 }, { 30000, 1001 } }) {
443 for (const auto &it : video_modes) {
444 if (it.second.frame_rate_num * desired.second == desired.first * it.second.frame_rate_den) {
450 uint32_t best_mode = 0;
451 double best_fps = 0.0;
452 for (const auto &it : video_modes) {
453 double fps = double(it.second.frame_rate_num) / it.second.frame_rate_den;
454 if (fps > best_fps) {
455 best_mode = it.first;
462 YCbCrLumaCoefficients DeckLinkOutput::preferred_ycbcr_coefficients() const
464 if (current_mode_flags & bmdDisplayModeColorspaceRec601) {
465 return YCBCR_REC_601;
467 // Don't bother checking bmdDisplayModeColorspaceRec709;
468 // if none is set, 709 is a good default anyway.
469 return YCBCR_REC_709;
473 HRESULT DeckLinkOutput::ScheduledFrameCompleted(/* in */ IDeckLinkVideoFrame *completedFrame, /* in */ BMDOutputFrameCompletionResult result)
475 Frame *frame = static_cast<Frame *>(completedFrame);
477 case bmdOutputFrameCompleted:
478 ++metric_decklink_output_completed_frames_completed;
480 case bmdOutputFrameDisplayedLate:
481 fprintf(stderr, "Output frame displayed late (pts=%" PRId64 ")\n", frame->pts);
482 fprintf(stderr, "Consider increasing --output-buffer-frames if this persists.\n");
483 ++metric_decklink_output_completed_frames_late;
485 case bmdOutputFrameDropped:
486 fprintf(stderr, "Output frame was dropped (pts=%" PRId64 ")\n", frame->pts);
487 fprintf(stderr, "Consider increasing --output-buffer-frames if this persists.\n");
488 ++metric_decklink_output_completed_frames_dropped;
490 case bmdOutputFrameFlushed:
491 fprintf(stderr, "Output frame was flushed (pts=%" PRId64 ")\n", frame->pts);
492 ++metric_decklink_output_completed_frames_flushed;
495 fprintf(stderr, "Output frame completed with unknown status %d\n", result);
496 ++metric_decklink_output_completed_frames_unknown;
500 static int frameno = 0;
501 print_latency("DeckLink output latency (frame received → output on HDMI):", frame->received_ts, false, &frameno, &latency_histogram);
504 lock_guard<mutex> lock(frame_queue_mutex);
505 frame_freelist.push(unique_ptr<Frame>(frame));
506 --num_frames_in_flight;
507 --metric_decklink_output_inflight_frames;
513 HRESULT DeckLinkOutput::ScheduledPlaybackHasStopped()
515 printf("playback stopped!\n");
519 unique_ptr<DeckLinkOutput::Frame> DeckLinkOutput::get_frame()
521 lock_guard<mutex> lock(frame_queue_mutex);
523 if (!frame_freelist.empty()) {
524 unique_ptr<Frame> frame = move(frame_freelist.front());
525 frame_freelist.pop();
529 unique_ptr<Frame> frame(new Frame);
532 if (global_flags.ten_bit_output) {
533 stride = v210Converter::get_v210_stride(width);
534 GLint v210_width = stride / sizeof(uint32_t);
535 frame->uyvy_tex = resource_pool->create_2d_texture(GL_RGB10_A2, v210_width, height);
537 // We need valid texture state, or NVIDIA won't allow us to write to the texture.
538 glBindTexture(GL_TEXTURE_2D, frame->uyvy_tex);
540 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
544 frame->uyvy_tex = resource_pool->create_2d_texture(GL_RGBA8, width / 2, height);
547 glGenBuffers(1, &frame->pbo);
549 glBindBuffer(GL_PIXEL_PACK_BUFFER, frame->pbo);
551 glBufferStorage(GL_PIXEL_PACK_BUFFER, stride * height, nullptr, GL_MAP_READ_BIT | GL_MAP_PERSISTENT_BIT);
553 frame->uyvy_ptr = (uint8_t *)glMapBufferRange(GL_PIXEL_PACK_BUFFER, 0, stride * height, GL_MAP_READ_BIT | GL_MAP_PERSISTENT_BIT);
555 frame->uyvy_ptr_local.reset(new uint8_t[stride * height]);
556 frame->resource_pool = resource_pool;
561 void DeckLinkOutput::present_thread_func()
563 pthread_setname_np(pthread_self(), "DeckLinkOutput");
565 unique_ptr<Frame> frame;
567 unique_lock<mutex> lock(frame_queue_mutex);
568 frame_queues_changed.wait(lock, [this]{
569 return should_quit.should_quit() || !pending_video_frames.empty();
571 if (should_quit.should_quit()) {
574 frame = move(pending_video_frames.front());
575 pending_video_frames.pop();
576 ++num_frames_in_flight;
577 ++metric_decklink_output_inflight_frames;
581 int err = glClientWaitSync(frame->fence.get(), /*flags=*/0, 0);
582 if (err == GL_TIMEOUT_EXPIRED) {
583 // NVIDIA likes to busy-wait; yield instead.
584 this_thread::sleep_for(milliseconds(1));
590 frame->fence.reset();
592 if (global_flags.ten_bit_output) {
593 memcpy(frame->uyvy_ptr_local.get(), frame->uyvy_ptr, v210Converter::get_v210_stride(width) * height);
595 memcpy(frame->uyvy_ptr_local.get(), frame->uyvy_ptr, width * height * 2);
598 // Release any input frames we needed to render this frame.
599 frame->input_frames.clear();
601 BMDTimeValue pts = frame->pts;
602 BMDTimeValue duration = frame->duration;
603 HRESULT res = output->ScheduleVideoFrame(frame.get(), pts, duration, TIMEBASE);
605 frame.release(); // Owned by the driver now.
607 fprintf(stderr, "Could not schedule video frame! (error=0x%08x)\n", res);
609 lock_guard<mutex> lock(frame_queue_mutex);
610 frame_freelist.push(move(frame));
611 --num_frames_in_flight;
612 --metric_decklink_output_inflight_frames;
617 HRESULT STDMETHODCALLTYPE DeckLinkOutput::QueryInterface(REFIID, LPVOID *)
619 return E_NOINTERFACE;
622 ULONG STDMETHODCALLTYPE DeckLinkOutput::AddRef()
624 return refcount.fetch_add(1) + 1;
627 ULONG STDMETHODCALLTYPE DeckLinkOutput::Release()
629 int new_ref = refcount.fetch_sub(1) - 1;
635 DeckLinkOutput::Frame::~Frame()
637 glBindBuffer(GL_PIXEL_PACK_BUFFER, pbo);
639 glUnmapBuffer(GL_PIXEL_PACK_BUFFER);
641 glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
643 glDeleteBuffers(1, &pbo);
645 resource_pool->release_2d_texture(uyvy_tex);
649 HRESULT STDMETHODCALLTYPE DeckLinkOutput::Frame::QueryInterface(REFIID, LPVOID *)
651 return E_NOINTERFACE;
654 ULONG STDMETHODCALLTYPE DeckLinkOutput::Frame::AddRef()
656 return refcount.fetch_add(1) + 1;
659 ULONG STDMETHODCALLTYPE DeckLinkOutput::Frame::Release()
661 int new_ref = refcount.fetch_sub(1) - 1;
667 long DeckLinkOutput::Frame::GetWidth()
669 return global_flags.width;
672 long DeckLinkOutput::Frame::GetHeight()
674 return global_flags.height;
677 long DeckLinkOutput::Frame::GetRowBytes()
679 if (global_flags.ten_bit_output) {
680 return v210Converter::get_v210_stride(global_flags.width);
682 return global_flags.width * 2;
686 BMDPixelFormat DeckLinkOutput::Frame::GetPixelFormat()
688 if (global_flags.ten_bit_output) {
689 return bmdFormat10BitYUV;
691 return bmdFormat8BitYUV;
695 BMDFrameFlags DeckLinkOutput::Frame::GetFlags()
697 return bmdFrameFlagDefault;
700 HRESULT DeckLinkOutput::Frame::GetBytes(/* out */ void **buffer)
702 *buffer = uyvy_ptr_local.get();
706 HRESULT DeckLinkOutput::Frame::GetTimecode(/* in */ BMDTimecodeFormat format, /* out */ IDeckLinkTimecode **timecode)
708 fprintf(stderr, "STUB: GetTimecode()\n");
712 HRESULT DeckLinkOutput::Frame::GetAncillaryData(/* out */ IDeckLinkVideoFrameAncillary **ancillary)
714 fprintf(stderr, "STUB: GetAncillaryData()\n");