31 #include "../include/DecklinkWriter.h"
36 : device(device), is_open(false), g_videoModeIndex(video_mode), g_audioChannels(channels), g_audioSampleDepth(sample_depth)
40 selectedDisplayMode = bmdModeNTSC;
41 pixelFormat = bmdFormat8BitYUV;
44 foundDisplayMode =
false;
45 pthread_mutex_init(&sleepMutex, NULL);
46 pthread_cond_init(&sleepCond, NULL);
50 case 0: pixelFormat = bmdFormat8BitYUV;
break;
51 case 1: pixelFormat = bmdFormat10BitYUV;
break;
52 case 2: pixelFormat = bmdFormat10BitRGB;
break;
53 case 3: pixelFormat = bmdFormat8BitARGB;
break;
55 throw DecklinkError(
"Pixel format is not valid (must be 0,1,2,3).");
66 deckLinkIterator = CreateDeckLinkIteratorInstance();
68 if (!deckLinkIterator)
69 throw DecklinkError(
"This application requires the DeckLink drivers installed.");
72 for (
int device_count = 0; device_count <= device; device_count++)
75 result = deckLinkIterator->Next(&deckLink);
79 if (device_count == device)
83 if (deckLink->QueryInterface(IID_IDeckLinkOutput, (
void**)&deckLinkOutput) != S_OK)
87 result = deckLinkOutput->GetDisplayModeIterator(&displayModeIterator);
89 throw DecklinkError(
"Could not obtain the video output display mode iterator.");
91 if (g_videoModeIndex < 0)
95 const char *displayModeName;
96 BMDTimeValue frameRateDuration, frameRateScale;
98 while (displayModeIterator->Next(&displayMode) == S_OK)
100 if (g_videoModeIndex == displayModeCount)
102 BMDDisplayModeSupport result;
104 foundDisplayMode =
true;
105 displayMode->GetName(&displayModeName);
106 selectedDisplayMode = displayMode->GetDisplayMode();
110 displayMode->GetFrameRate(&frameRateDuration, &frameRateScale);
123 if (!foundDisplayMode)
124 throw DecklinkError(
"Invalid video mode. No matching ones found.");
127 unsigned long m_framesPerSecond = (
unsigned long)((frameRateScale + (frameRateDuration-1)) / frameRateDuration);
133 deckLinkOutput->SetScheduledFrameCompletionCallback(delegate);
137 if (deckLinkOutput->EnableVideoOutput(displayMode->GetDisplayMode(), bmdVideoOutputFlagDefault) != S_OK)
138 throw DecklinkError(
"Failed to enable video output. Is another application using the card?");
199 deckLinkOutput->StopScheduledPlayback(0, NULL, 0);
200 deckLinkOutput->DisableAudioOutput();
201 deckLinkOutput->DisableVideoOutput();
204 displayMode->Release();
206 if (displayModeIterator != NULL)
208 displayModeIterator->Release();
209 displayModeIterator = NULL;
212 if (deckLinkOutput != NULL)
214 deckLinkOutput->Release();
215 deckLinkOutput = NULL;
218 if (deckLink != NULL)
224 if (deckLinkIterator != NULL)
225 deckLinkIterator->Release();
237 throw WriterClosed(
"The DecklinkWriter is closed. Call Open() before calling this method.");
246 for (
int number = start; number <= length; number++)
249 std::shared_ptr<Frame> f = reader->
GetFrame(number);