X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=decklink_capture.cpp;h=92fd6ae296e567a402928bb3fd15a7e4f9300042;hb=5f93f8eceb49ab668ce4d60ca17dc9a43bdfc4fd;hp=81566cb1a5ad20d85a3be25a8b01e2c24a62906e;hpb=08a992d58c34da8d8bbd70226f7e85c9f30d9514;p=nageru diff --git a/decklink_capture.cpp b/decklink_capture.cpp index 81566cb..92fd6ae 100644 --- a/decklink_capture.cpp +++ b/decklink_capture.cpp @@ -1,24 +1,29 @@ #include "decklink_capture.h" +#include +#include +#include +#include #include +#ifdef __SSE2__ +#include +#endif #include #include #include #include -#include -#ifdef __SSE2__ -#include -#endif +#include +#include +#include +#include -#include -#include -#include -#include #include "bmusb/bmusb.h" +#include "decklink_util.h" #define FRAME_SIZE (8 << 20) // 8 MB. using namespace std; +using namespace std::chrono; using namespace std::placeholders; using namespace bmusb; @@ -200,6 +205,22 @@ DeckLinkCapture::DeckLinkCapture(IDeckLink *card, int card_index) } } + // Check if we the card supports input autodetection. + if (attr->GetFlag(BMDDeckLinkSupportsInputFormatDetection, &supports_autodetect) != S_OK) { + fprintf(stderr, "Warning: Failed to ask card %d whether it supports input format autodetection\n", card_index); + supports_autodetect = false; + } + + // If there's more than one subdevice on this card, label them. + int64_t num_subdevices, subdevice_idx; + if (attr->GetInt(BMDDeckLinkNumberOfSubDevices, &num_subdevices) == S_OK && num_subdevices > 1) { + if (attr->GetInt(BMDDeckLinkSubDeviceIndex, &subdevice_idx) == S_OK) { + char buf[256]; + snprintf(buf, sizeof(buf), " (subdevice %d)", int(subdevice_idx)); + description += buf; + } + } + attr->Release(); /* Set up the video and audio sources. */ @@ -208,7 +229,9 @@ DeckLinkCapture::DeckLinkCapture(IDeckLink *card, int card_index) exit(1); } - set_video_input(bmdVideoConnectionHDMI); + BMDVideoConnection connection = pick_default_video_connection(card, BMDDeckLinkVideoInputConnections, card_index); + + set_video_input(connection); set_audio_input(bmdAudioConnectionEmbedded); IDeckLinkDisplayModeIterator *mode_it; @@ -217,44 +240,11 @@ DeckLinkCapture::DeckLinkCapture(IDeckLink *card, int card_index) exit(1); } - for (IDeckLinkDisplayMode *mode_ptr; mode_it->Next(&mode_ptr) == S_OK; mode_ptr->Release()) { - VideoMode mode; - - const char *mode_name; - if (mode_ptr->GetName(&mode_name) != S_OK) { - mode.name = "Unknown mode"; - } else { - mode.name = mode_name; - } - - mode.autodetect = false; - - mode.width = mode_ptr->GetWidth(); - mode.height = mode_ptr->GetHeight(); - - BMDTimeScale frame_rate_num; - BMDTimeValue frame_rate_den; - if (mode_ptr->GetFrameRate(&frame_rate_den, &frame_rate_num) != S_OK) { - fprintf(stderr, "Could not get frame rate for mode '%s' on card %d\n", mode.name.c_str(), card_index); - exit(1); - } - mode.frame_rate_num = frame_rate_num; - mode.frame_rate_den = frame_rate_den; - - // TODO: Respect the TFF/BFF flag. - mode.interlaced = (mode_ptr->GetFieldDominance() == bmdLowerFieldFirst || mode_ptr->GetFieldDominance() == bmdUpperFieldFirst); - - uint32_t id = mode_ptr->GetDisplayMode(); - video_modes.insert(make_pair(id, mode)); - } + video_modes = summarize_video_modes(mode_it, card_index); + mode_it->Release(); set_video_mode_no_restart(bmdModeHD720p5994); - if (input->EnableAudioInput(48000, bmdAudioSampleType32bitInteger, 2) != S_OK) { - fprintf(stderr, "Failed to enable audio input for card %d\n", card_index); - exit(1); - } - input->SetCallback(this); } @@ -289,12 +279,20 @@ ULONG STDMETHODCALLTYPE DeckLinkCapture::Release(void) HRESULT STDMETHODCALLTYPE DeckLinkCapture::VideoInputFormatChanged( BMDVideoInputFormatChangedEvents, IDeckLinkDisplayMode* display_mode, - BMDDetectedVideoInputFormatFlags) + BMDDetectedVideoInputFormatFlags format_flags) { + if (format_flags & bmdDetectedVideoInputRGB444) { + fprintf(stderr, "WARNING: Input detected as 4:4:4 RGB, but Nageru can't consume that yet.\n"); + fprintf(stderr, "Doing hardware conversion to 4:2:2 Y'CbCr.\n"); + } + if (supports_autodetect && display_mode->GetDisplayMode() != current_video_mode) { + set_video_mode(display_mode->GetDisplayMode()); + } if (display_mode->GetFrameRate(&frame_duration, &time_scale) != S_OK) { fprintf(stderr, "Could not get new frame rate\n"); exit(1); } + field_dominance = display_mode->GetFieldDominance(); return S_OK; } @@ -315,6 +313,9 @@ HRESULT STDMETHODCALLTYPE DeckLinkCapture::VideoInputFrameArrived( video_format.frame_rate_nom = time_scale; video_format.frame_rate_den = frame_duration; + // TODO: Respect the TFF/BFF flag. + video_format.interlaced = (field_dominance == bmdLowerFieldFirst || field_dominance == bmdUpperFieldFirst); + video_format.second_field_start = 1; if (video_frame) { video_format.has_signal = !(video_frame->GetFlags() & bmdFrameHasNoInputSource); @@ -351,6 +352,8 @@ HRESULT STDMETHODCALLTYPE DeckLinkCapture::VideoInputFrameArrived( video_format.width = width; video_format.height = height; + + current_video_frame.received_timestamp = steady_clock::now(); } } @@ -367,6 +370,8 @@ HRESULT STDMETHODCALLTYPE DeckLinkCapture::VideoInputFrameArrived( audio_format.bits_per_sample = 32; audio_format.num_channels = 2; + + current_audio_frame.received_timestamp = steady_clock::now(); } } @@ -396,24 +401,54 @@ void DeckLinkCapture::configure_card() void DeckLinkCapture::start_bm_capture() { + if (running) { + return; + } + if (input->EnableVideoInput(current_video_mode, bmdFormat8BitYUV, supports_autodetect ? bmdVideoInputEnableFormatDetection : 0) != S_OK) { + fprintf(stderr, "Failed to set video mode 0x%04x for card %d\n", current_video_mode, card_index); + exit(1); + } + if (input->EnableAudioInput(48000, bmdAudioSampleType32bitInteger, 2) != S_OK) { + fprintf(stderr, "Failed to enable audio input for card %d\n", card_index); + exit(1); + } + if (input->StartStreams() != S_OK) { fprintf(stderr, "StartStreams failed\n"); exit(1); } + running = true; } void DeckLinkCapture::stop_dequeue_thread() { - if (input->StopStreams() != S_OK) { - fprintf(stderr, "StopStreams failed\n"); + if (!running) { + return; + } + HRESULT result = input->StopStreams(); + if (result != S_OK) { + fprintf(stderr, "StopStreams failed with error 0x%x\n", result); + exit(1); + } + if (input->DisableVideoInput() != S_OK) { + fprintf(stderr, "Failed to disable video input for card %d\n", card_index); + exit(1); + } + if (input->DisableAudioInput() != S_OK) { + fprintf(stderr, "Failed to disable audio input for card %d\n", card_index); exit(1); } + running = false; } void DeckLinkCapture::set_video_mode(uint32_t video_mode_id) { - if (input->StopStreams() != S_OK) { - fprintf(stderr, "StopStreams failed\n"); + if (input->PauseStreams() != S_OK) { + fprintf(stderr, "PauseStreams failed\n"); + exit(1); + } + if (input->FlushStreams() != S_OK) { + fprintf(stderr, "FlushStreams failed\n"); exit(1); } @@ -444,9 +479,13 @@ void DeckLinkCapture::set_video_mode_no_restart(uint32_t video_mode_id) exit(1); } - if (input->EnableVideoInput(video_mode_id, bmdFormat8BitYUV, 0) != S_OK) { - fprintf(stderr, "Failed to set video mode 0x%04x for card %d\n", video_mode_id, card_index); - exit(1); + field_dominance = display_mode->GetFieldDominance(); + + if (running) { + if (input->EnableVideoInput(video_mode_id, bmdFormat8BitYUV, supports_autodetect ? bmdVideoInputEnableFormatDetection : 0) != S_OK) { + fprintf(stderr, "Failed to set video mode 0x%04x for card %d\n", video_mode_id, card_index); + exit(1); + } } current_video_mode = video_mode_id;