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 DeckLinkOutput::~DeckLinkOutput()
87 if (output != nullptr) {
92 bool DeckLinkOutput::set_device(IDeckLink *decklink, IDeckLinkInput *input_arg)
95 if (decklink->QueryInterface(IID_IDeckLinkOutput, (void**)&output) != S_OK) {
96 fprintf(stderr, "Warning: Card %u has no outputs\n", card_index);
100 IDeckLinkDisplayModeIterator *mode_it;
101 if (output->GetDisplayModeIterator(&mode_it) != S_OK) {
102 fprintf(stderr, "Warning: Failed to enumerate output display modes for card %u\n", card_index);
108 for (const auto &it : summarize_video_modes(mode_it, card_index)) {
109 if (it.second.width != width || it.second.height != height) {
113 // We could support interlaced modes, but let's stay out of it for now,
114 // since we don't have interlaced stream output.
115 if (it.second.interlaced) {
119 video_modes.insert(it);
124 // HDMI or SDI generally mean “both HDMI and SDI at the same time” on DeckLink cards
125 // that support both; pick_default_video_connection() will generally pick one of those
126 // if they exist. (--prefer-hdmi-input would also affect the selection despite the name
127 // of the option, but since either generally means both, it's inconsequential.)
128 // We're not very likely to need analog outputs, so we don't need a way to change
130 video_connection = pick_default_video_connection(decklink, BMDDeckLinkVideoOutputConnections, card_index);
134 void DeckLinkOutput::start_output(uint32_t mode, int64_t base_pts, bool is_master_card_arg)
137 assert(!playback_initiated);
138 this->is_master_card = is_master_card_arg;
140 if (video_modes.empty()) {
141 fprintf(stderr, "ERROR: No matching output modes for %dx%d found\n", width, height);
145 should_quit.unquit();
146 playback_initiated = true;
147 playback_started = false;
148 this->base_pts = base_pts;
150 IDeckLinkConfiguration *config = nullptr;
151 if (output->QueryInterface(IID_IDeckLinkConfiguration, (void**)&config) != S_OK) {
152 fprintf(stderr, "Failed to get configuration interface for output card\n");
155 if (config->SetFlag(bmdDeckLinkConfigLowLatencyVideoOutput, true) != S_OK) {
156 fprintf(stderr, "Failed to set low latency output\n");
159 if (config->SetInt(bmdDeckLinkConfigVideoOutputConnection, video_connection) != S_OK) {
160 fprintf(stderr, "Failed to set video output connection for card %u\n", card_index);
163 if (config->SetFlag(bmdDeckLinkConfigOutput1080pAsPsF, true) != S_OK) {
164 fprintf(stderr, "Failed to set PsF flag for card\n");
167 if (config->SetFlag(bmdDeckLinkConfigSMPTELevelAOutput, true) != S_OK) {
168 // This affects at least some no-name SDI->HDMI converters.
169 // Warn, but don't die.
170 fprintf(stderr, "WARNING: Failed to enable SMTPE Level A; resolutions like 1080p60 might have issues.\n");
173 BMDDisplayModeSupport support;
174 IDeckLinkDisplayMode *display_mode;
175 BMDPixelFormat pixel_format = global_flags.bit_depth > 8 ? bmdFormat10BitYUV : bmdFormat8BitYUV;
176 if (output->DoesSupportVideoMode(mode, pixel_format, bmdVideoOutputFlagDefault,
177 &support, &display_mode) != S_OK) {
178 fprintf(stderr, "Couldn't ask for format support\n");
182 if (support == bmdDisplayModeNotSupported) {
183 fprintf(stderr, "Requested display mode not supported\n");
187 current_mode_flags = display_mode->GetFlags();
189 BMDTimeValue time_value;
190 BMDTimeScale time_scale;
191 if (display_mode->GetFrameRate(&time_value, &time_scale) != S_OK) {
192 fprintf(stderr, "Couldn't get frame rate\n");
196 metric_decklink_output_width_pixels = width;
197 metric_decklink_output_height_pixels = height;
198 metric_decklink_output_frame_rate_nom = time_value;
199 metric_decklink_output_frame_rate_den = time_scale;
201 frame_duration = time_value * TIMEBASE / time_scale;
203 display_mode->Release();
205 if (input != nullptr) {
206 if (input->DisableVideoInput() != S_OK) {
207 fprintf(stderr, "Warning: Failed to disable video input for card %d\n", card_index);
209 if (input->DisableAudioInput() != S_OK) {
210 fprintf(stderr, "Warning: Failed to disable audio input for card %d\n", card_index);
214 HRESULT result = output->EnableVideoOutput(mode, bmdVideoOutputFlagDefault);
215 if (result != S_OK) {
216 fprintf(stderr, "Couldn't enable output with error 0x%x\n", result);
219 if (output->SetScheduledFrameCompletionCallback(this) != S_OK) {
220 fprintf(stderr, "Couldn't set callback\n");
223 assert(OUTPUT_FREQUENCY == 48000);
224 if (output->EnableAudioOutput(bmdAudioSampleRate48kHz, bmdAudioSampleType32bitInteger, 2, bmdAudioOutputStreamTimestamped) != S_OK) {
225 fprintf(stderr, "Couldn't enable audio output\n");
228 if (is_master_card) {
229 if (output->BeginAudioPreroll() != S_OK) {
230 fprintf(stderr, "Couldn't begin audio preroll\n");
234 playback_started = true;
237 present_thread = thread([this]{
238 QOpenGLContext *context = create_context(this->surface);
239 eglBindAPI(EGL_OPENGL_API);
240 if (!make_current(context, this->surface)) {
241 printf("display=%p surface=%p context=%p curr=%p err=%d\n", eglGetCurrentDisplay(), this->surface, context, eglGetCurrentContext(),
245 present_thread_func();
246 delete_context(context);
250 void DeckLinkOutput::end_output()
252 if (!playback_initiated) {
257 frame_queues_changed.notify_all();
258 present_thread.join();
259 playback_initiated = false;
261 if (is_master_card) {
262 output->StopScheduledPlayback(0, nullptr, 0);
264 output->DisableVideoOutput();
265 output->DisableAudioOutput();
267 // Wait until all frames are accounted for, and free them.
269 unique_lock<mutex> lock(frame_queue_mutex);
270 while (!(frame_freelist.empty() && scheduled_frames.empty())) {
271 frame_queues_changed.wait(lock, [this]{ return !frame_freelist.empty(); });
272 frame_freelist.pop();
277 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)
279 assert(!should_quit.should_quit());
281 if ((current_mode_flags & bmdDisplayModeColorspaceRec601) && output_ycbcr_coefficients == YCBCR_REC_709) {
282 if (!last_frame_had_mode_mismatch) {
283 fprintf(stderr, "WARNING: Chosen output mode expects Rec. 601 Y'CbCr coefficients.\n");
284 fprintf(stderr, " Consider --output-ycbcr-coefficients=rec601 (or =auto).\n");
286 last_frame_had_mode_mismatch = true;
287 ++metric_decklink_output_color_mismatch_frames;
288 } else if ((current_mode_flags & bmdDisplayModeColorspaceRec709) && output_ycbcr_coefficients == YCBCR_REC_601) {
289 if (!last_frame_had_mode_mismatch) {
290 fprintf(stderr, "WARNING: Chosen output mode expects Rec. 709 Y'CbCr coefficients.\n");
291 fprintf(stderr, " Consider --output-ycbcr-coefficients=rec709 (or =auto).\n");
293 last_frame_had_mode_mismatch = true;
294 ++metric_decklink_output_color_mismatch_frames;
296 last_frame_had_mode_mismatch = false;
299 unique_ptr<Frame> frame = get_frame();
300 if (global_flags.bit_depth > 8) {
301 chroma_subsampler->create_v210(y_tex, cbcr_tex, width, height, frame->uyvy_tex);
303 chroma_subsampler->create_uyvy(y_tex, cbcr_tex, width, height, frame->uyvy_tex);
306 // Download the UYVY texture to the PBO.
307 glPixelStorei(GL_PACK_ROW_LENGTH, 0);
310 glBindBuffer(GL_PIXEL_PACK_BUFFER, frame->pbo);
313 if (global_flags.bit_depth > 8) {
314 glBindTexture(GL_TEXTURE_2D, frame->uyvy_tex);
316 glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, BUFFER_OFFSET(0));
319 glBindTexture(GL_TEXTURE_2D, frame->uyvy_tex);
321 glGetTexImage(GL_TEXTURE_2D, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, BUFFER_OFFSET(0));
325 glBindTexture(GL_TEXTURE_2D, 0);
327 glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
330 glMemoryBarrier(GL_TEXTURE_UPDATE_BARRIER_BIT | GL_CLIENT_MAPPED_BUFFER_BARRIER_BIT);
333 frame->fence = RefCountedGLsync(GL_SYNC_GPU_COMMANDS_COMPLETE, /*flags=*/0);
335 glFlush(); // Make the DeckLink thread see the fence as soon as possible.
338 frame->input_frames = input_frames;
339 frame->received_ts = find_received_timestamp(input_frames);
341 frame->duration = duration;
344 lock_guard<mutex> lock(frame_queue_mutex);
345 pending_video_frames.push(move(frame));
347 frame_queues_changed.notify_all();
350 void DeckLinkOutput::send_audio(int64_t pts, const std::vector<float> &samples)
352 unique_ptr<int32_t[]> int_samples(new int32_t[samples.size()]);
353 for (size_t i = 0; i < samples.size(); ++i) {
354 int_samples[i] = lrintf(samples[i] * 2147483648.0f);
357 uint32_t frames_written;
359 if (is_master_card) {
360 result = output->ScheduleAudioSamples(int_samples.get(), samples.size() / 2,
361 pts, TIMEBASE, &frames_written);
363 result = output->WriteAudioSamplesSync(int_samples.get(), samples.size() / 2,
366 if (result != S_OK) {
367 fprintf(stderr, "write audio to DeckLink (pts=%" PRId64 ") failed (result=0x%08x)\n", pts, result);
369 // Non-master card is not really synchronized on audio at all, so we don't warn on it.
370 if (frames_written != samples.size() / 2 && is_master_card) {
371 fprintf(stderr, "write audio to DeckLink returned short write (%u/%zu)\n", frames_written, samples.size() / 2);
374 metric_decklink_output_scheduled_samples += samples.size() / 2;
377 void DeckLinkOutput::wait_for_frame(int64_t pts, int *dropped_frames, int64_t *frame_duration, bool *is_preroll, steady_clock::time_point *frame_timestamp)
379 assert(!should_quit.should_quit());
382 *frame_duration = this->frame_duration;
384 const BMDTimeValue buffer = lrint(*frame_duration * global_flags.output_buffer_frames);
385 const BMDTimeValue max_overshoot = lrint(*frame_duration * global_flags.output_slop_frames);
386 BMDTimeValue target_time = pts - buffer;
388 // While prerolling, we send out frames as quickly as we can.
389 if (target_time < base_pts) {
391 ++metric_decklink_output_scheduled_frames_preroll;
395 *is_preroll = !playback_started;
397 if (!playback_started) {
398 if (output->EndAudioPreroll() != S_OK) {
399 fprintf(stderr, "Could not end audio preroll\n");
402 if (output->StartScheduledPlayback(base_pts, TIMEBASE, 1.0) != S_OK) {
403 fprintf(stderr, "Could not start playback\n");
406 playback_started = true;
409 BMDTimeValue stream_frame_time;
410 double playback_speed;
411 output->GetScheduledStreamTime(TIMEBASE, &stream_frame_time, &playback_speed);
413 *frame_timestamp = steady_clock::now() +
414 nanoseconds((target_time - stream_frame_time) * 1000000000 / TIMEBASE);
416 metric_decklink_output_margin_seconds.count_event(
417 (target_time - stream_frame_time) / double(TIMEBASE));
419 // If we're ahead of time, wait for the frame to (approximately) start.
420 if (stream_frame_time < target_time) {
421 should_quit.sleep_until(*frame_timestamp);
422 ++metric_decklink_output_scheduled_frames_normal;
426 // If we overshot the previous frame by just a little,
427 // fire off one immediately.
428 if (stream_frame_time < target_time + max_overshoot) {
429 fprintf(stderr, "Warning: Frame was %ld ms late (but not skipping it due to --output-slop-frames).\n",
430 lrint((stream_frame_time - target_time) * 1000.0 / TIMEBASE));
431 ++metric_decklink_output_scheduled_frames_late;
435 // Oops, we missed by more than one frame. Return immediately,
436 // but drop so that we catch up.
437 *dropped_frames = (stream_frame_time - target_time + *frame_duration - 1) / *frame_duration;
438 const int64_t ns_per_frame = this->frame_duration * 1000000000 / TIMEBASE;
439 *frame_timestamp += nanoseconds(*dropped_frames * ns_per_frame);
440 fprintf(stderr, "Dropped %d output frames; skipping.\n", *dropped_frames);
441 metric_decklink_output_scheduled_frames_dropped += *dropped_frames;
442 ++metric_decklink_output_scheduled_frames_normal;
445 uint32_t DeckLinkOutput::pick_video_mode(uint32_t mode) const
447 if (video_modes.count(mode)) {
451 // Prioritize 59.94 > 60 > 29.97. If none of those are found, then pick the highest one.
452 for (const pair<int, int> &desired : vector<pair<int, int>>{ { 60000, 1001 }, { 60, 1 }, { 30000, 1001 } }) {
453 for (const auto &it : video_modes) {
454 if (it.second.frame_rate_num * desired.second == desired.first * it.second.frame_rate_den) {
460 uint32_t best_mode = 0;
461 double best_fps = 0.0;
462 for (const auto &it : video_modes) {
463 double fps = double(it.second.frame_rate_num) / it.second.frame_rate_den;
464 if (fps > best_fps) {
465 best_mode = it.first;
472 YCbCrLumaCoefficients DeckLinkOutput::preferred_ycbcr_coefficients() const
474 if (current_mode_flags & bmdDisplayModeColorspaceRec601) {
475 return YCBCR_REC_601;
477 // Don't bother checking bmdDisplayModeColorspaceRec709;
478 // if none is set, 709 is a good default anyway.
479 return YCBCR_REC_709;
483 HRESULT DeckLinkOutput::ScheduledFrameCompleted(/* in */ IDeckLinkVideoFrame *completedFrame, /* in */ BMDOutputFrameCompletionResult result)
485 Frame *frame = static_cast<Frame *>(completedFrame);
487 case bmdOutputFrameCompleted:
488 ++metric_decklink_output_completed_frames_completed;
490 case bmdOutputFrameDisplayedLate:
491 fprintf(stderr, "Output frame displayed late (pts=%" PRId64 ")\n", frame->pts);
492 fprintf(stderr, "Consider increasing --output-buffer-frames if this persists.\n");
493 ++metric_decklink_output_completed_frames_late;
495 case bmdOutputFrameDropped:
496 fprintf(stderr, "Output frame was dropped (pts=%" PRId64 ")\n", frame->pts);
497 fprintf(stderr, "Consider increasing --output-buffer-frames if this persists.\n");
498 ++metric_decklink_output_completed_frames_dropped;
500 case bmdOutputFrameFlushed:
501 fprintf(stderr, "Output frame was flushed (pts=%" PRId64 ")\n", frame->pts);
502 ++metric_decklink_output_completed_frames_flushed;
505 fprintf(stderr, "Output frame completed with unknown status %d\n", result);
506 ++metric_decklink_output_completed_frames_unknown;
510 static int frameno = 0;
511 print_latency("DeckLink output latency (frame received → output on HDMI):", frame->received_ts, false, &frameno, &latency_histogram);
514 lock_guard<mutex> lock(frame_queue_mutex);
515 frame_freelist.push(unique_ptr<Frame>(frame));
516 assert(scheduled_frames.count(frame));
517 scheduled_frames.erase(frame);
518 --metric_decklink_output_inflight_frames;
524 HRESULT DeckLinkOutput::ScheduledPlaybackHasStopped()
526 printf("playback stopped!\n");
530 unique_ptr<DeckLinkOutput::Frame> DeckLinkOutput::get_frame()
532 lock_guard<mutex> lock(frame_queue_mutex);
534 if (!frame_freelist.empty()) {
535 unique_ptr<Frame> frame = move(frame_freelist.front());
536 frame_freelist.pop();
540 unique_ptr<Frame> frame(new Frame);
543 if (global_flags.bit_depth > 8) {
544 stride = v210Converter::get_v210_stride(width);
545 GLint v210_width = stride / sizeof(uint32_t);
546 frame->uyvy_tex = resource_pool->create_2d_texture(GL_RGB10_A2, v210_width, height);
548 // We need valid texture state, or NVIDIA won't allow us to write to the texture.
549 glBindTexture(GL_TEXTURE_2D, frame->uyvy_tex);
551 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
555 frame->uyvy_tex = resource_pool->create_2d_texture(GL_RGBA8, width / 2, height);
558 glGenBuffers(1, &frame->pbo);
560 glBindBuffer(GL_PIXEL_PACK_BUFFER, frame->pbo);
562 glBufferStorage(GL_PIXEL_PACK_BUFFER, stride * height, nullptr, GL_MAP_READ_BIT | GL_MAP_PERSISTENT_BIT);
564 frame->uyvy_ptr = (uint8_t *)glMapBufferRange(GL_PIXEL_PACK_BUFFER, 0, stride * height, GL_MAP_READ_BIT | GL_MAP_PERSISTENT_BIT);
566 frame->uyvy_ptr_local.reset(new uint8_t[stride * height]);
567 frame->resource_pool = resource_pool;
572 void DeckLinkOutput::present_thread_func()
574 pthread_setname_np(pthread_self(), "DeckLinkOutput");
576 unique_ptr<Frame> frame;
578 unique_lock<mutex> lock(frame_queue_mutex);
579 frame_queues_changed.wait(lock, [this]{
580 return should_quit.should_quit() || !pending_video_frames.empty();
582 if (should_quit.should_quit()) {
585 frame = move(pending_video_frames.front());
586 pending_video_frames.pop();
590 int err = glClientWaitSync(frame->fence.get(), /*flags=*/0, 0);
591 if (err == GL_TIMEOUT_EXPIRED) {
592 // NVIDIA likes to busy-wait; yield instead.
593 this_thread::sleep_for(milliseconds(1));
599 frame->fence.reset();
601 if (global_flags.bit_depth > 8) {
602 memcpy(frame->uyvy_ptr_local.get(), frame->uyvy_ptr, v210Converter::get_v210_stride(width) * height);
604 memcpy(frame->uyvy_ptr_local.get(), frame->uyvy_ptr, width * height * 2);
607 // Release any input frames we needed to render this frame.
608 frame->input_frames.clear();
610 if (is_master_card) {
611 BMDTimeValue pts = frame->pts;
612 BMDTimeValue duration = frame->duration;
613 HRESULT res = output->ScheduleVideoFrame(frame.get(), pts, duration, TIMEBASE);
614 lock_guard<mutex> lock(frame_queue_mutex);
616 scheduled_frames.insert(frame.release()); // Owned by the driver now.
617 ++metric_decklink_output_inflight_frames;
619 fprintf(stderr, "Could not schedule video frame! (error=0x%08x)\n", res);
621 frame_freelist.push(move(frame));
624 HRESULT res = output->DisplayVideoFrameSync(frame.get());
626 fprintf(stderr, "Could not schedule video frame! (error=0x%08x)\n", res);
628 frame_freelist.push(move(frame));
633 HRESULT STDMETHODCALLTYPE DeckLinkOutput::QueryInterface(REFIID, LPVOID *)
635 return E_NOINTERFACE;
638 ULONG STDMETHODCALLTYPE DeckLinkOutput::AddRef()
640 return refcount.fetch_add(1) + 1;
643 ULONG STDMETHODCALLTYPE DeckLinkOutput::Release()
645 int new_ref = refcount.fetch_sub(1) - 1;
651 DeckLinkOutput::Frame::~Frame()
653 glBindBuffer(GL_PIXEL_PACK_BUFFER, pbo);
655 glUnmapBuffer(GL_PIXEL_PACK_BUFFER);
657 glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
659 glDeleteBuffers(1, &pbo);
661 resource_pool->release_2d_texture(uyvy_tex);
665 HRESULT STDMETHODCALLTYPE DeckLinkOutput::Frame::QueryInterface(REFIID, LPVOID *)
667 return E_NOINTERFACE;
670 ULONG STDMETHODCALLTYPE DeckLinkOutput::Frame::AddRef()
672 return refcount.fetch_add(1) + 1;
675 ULONG STDMETHODCALLTYPE DeckLinkOutput::Frame::Release()
677 int new_ref = refcount.fetch_sub(1) - 1;
683 long DeckLinkOutput::Frame::GetWidth()
685 return global_flags.width;
688 long DeckLinkOutput::Frame::GetHeight()
690 return global_flags.height;
693 long DeckLinkOutput::Frame::GetRowBytes()
695 if (global_flags.bit_depth > 8) {
696 return v210Converter::get_v210_stride(global_flags.width);
698 return global_flags.width * 2;
702 BMDPixelFormat DeckLinkOutput::Frame::GetPixelFormat()
704 if (global_flags.bit_depth > 8) {
705 return bmdFormat10BitYUV;
707 return bmdFormat8BitYUV;
711 BMDFrameFlags DeckLinkOutput::Frame::GetFlags()
713 return bmdFrameFlagDefault;
716 HRESULT DeckLinkOutput::Frame::GetBytes(/* out */ void **buffer)
718 *buffer = uyvy_ptr_local.get();
722 HRESULT DeckLinkOutput::Frame::GetTimecode(/* in */ BMDTimecodeFormat format, /* out */ IDeckLinkTimecode **timecode)
724 fprintf(stderr, "STUB: GetTimecode()\n");
728 HRESULT DeckLinkOutput::Frame::GetAncillaryData(/* out */ IDeckLinkVideoFrameAncillary **ancillary)
730 fprintf(stderr, "STUB: GetAncillaryData()\n");