X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=decklink_capture.cpp;fp=decklink_capture.cpp;h=0000000000000000000000000000000000000000;hb=392f9d1ccb835c05a3874c4bea163788b2c37024;hp=881e1817b1b7262f295584ac24e7f6d80fd1b65e;hpb=330ca2f0052b06d91004c6ceb73cd57ab95e7fe1;p=nageru diff --git a/decklink_capture.cpp b/decklink_capture.cpp deleted file mode 100644 index 881e181..0000000 --- a/decklink_capture.cpp +++ /dev/null @@ -1,436 +0,0 @@ -#include "decklink_capture.h" - -#include -#include -#include -#include -#include -#ifdef __SSE2__ -#include -#endif -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "bmusb/bmusb.h" -#include "decklink_util.h" -#include "flags.h" -#include "memcpy_interleaved.h" -#include "v210_converter.h" - -#define FRAME_SIZE (8 << 20) // 8 MB. - -using namespace std; -using namespace std::chrono; -using namespace std::placeholders; -using namespace bmusb; - -namespace { - -BMDPixelFormat pixel_format_to_bmd(PixelFormat pixel_format) -{ - switch (pixel_format) { - case PixelFormat_8BitYCbCr: - return bmdFormat8BitYUV; - case PixelFormat_10BitYCbCr: - return bmdFormat10BitYUV; - default: - assert(false); - } -} - -} // namespace - -DeckLinkCapture::DeckLinkCapture(IDeckLink *card, int card_index) - : card_index(card_index), card(card) -{ - { - const char *model_name; - char buf[256]; - if (card->GetModelName(&model_name) == S_OK) { - snprintf(buf, sizeof(buf), "PCI card %d: %s", card_index, model_name); - } else { - snprintf(buf, sizeof(buf), "PCI card %d: Unknown DeckLink card", card_index); - } - description = buf; - } - - if (card->QueryInterface(IID_IDeckLinkInput, (void**)&input) != S_OK) { - fprintf(stderr, "Card %d has no inputs\n", card_index); - exit(1); - } - - IDeckLinkAttributes *attr; - if (card->QueryInterface(IID_IDeckLinkAttributes, (void**)&attr) != S_OK) { - fprintf(stderr, "Card %d has no attributes\n", card_index); - exit(1); - } - - // Get the list of available video inputs. - int64_t video_input_mask; - if (attr->GetInt(BMDDeckLinkVideoInputConnections, &video_input_mask) != S_OK) { - fprintf(stderr, "Failed to enumerate video inputs for card %d\n", card_index); - exit(1); - } - const vector> video_input_types = { - { bmdVideoConnectionSDI, "SDI" }, - { bmdVideoConnectionHDMI, "HDMI" }, - { bmdVideoConnectionOpticalSDI, "Optical SDI" }, - { bmdVideoConnectionComponent, "Component" }, - { bmdVideoConnectionComposite, "Composite" }, - { bmdVideoConnectionSVideo, "S-Video" } - }; - for (const auto &video_input : video_input_types) { - if (video_input_mask & video_input.first) { - video_inputs.emplace(video_input.first, video_input.second); - } - } - - // And then the available audio inputs. - int64_t audio_input_mask; - if (attr->GetInt(BMDDeckLinkAudioInputConnections, &audio_input_mask) != S_OK) { - fprintf(stderr, "Failed to enumerate audio inputs for card %d\n", card_index); - exit(1); - } - const vector> audio_input_types = { - { bmdAudioConnectionEmbedded, "Embedded" }, - { bmdAudioConnectionAESEBU, "AES/EBU" }, - { bmdAudioConnectionAnalog, "Analog" }, - { bmdAudioConnectionAnalogXLR, "Analog XLR" }, - { bmdAudioConnectionAnalogRCA, "Analog RCA" }, - { bmdAudioConnectionMicrophone, "Microphone" }, - { bmdAudioConnectionHeadphones, "Headphones" } - }; - for (const auto &audio_input : audio_input_types) { - if (audio_input_mask & audio_input.first) { - audio_inputs.emplace(audio_input.first, audio_input.second); - } - } - - // 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. */ - if (card->QueryInterface(IID_IDeckLinkConfiguration, (void**)&config) != S_OK) { - fprintf(stderr, "Failed to get configuration interface for card %d\n", card_index); - exit(1); - } - - BMDVideoConnection connection = pick_default_video_connection(card, BMDDeckLinkVideoInputConnections, card_index); - - set_video_input(connection); - set_audio_input(bmdAudioConnectionEmbedded); - - IDeckLinkDisplayModeIterator *mode_it; - if (input->GetDisplayModeIterator(&mode_it) != S_OK) { - fprintf(stderr, "Failed to enumerate display modes for card %d\n", card_index); - exit(1); - } - - video_modes = summarize_video_modes(mode_it, card_index); - mode_it->Release(); - - set_video_mode_no_restart(bmdModeHD720p5994); - - input->SetCallback(this); -} - -DeckLinkCapture::~DeckLinkCapture() -{ - if (has_dequeue_callbacks) { - dequeue_cleanup_callback(); - } - input->Release(); - config->Release(); - card->Release(); -} - -HRESULT STDMETHODCALLTYPE DeckLinkCapture::QueryInterface(REFIID, LPVOID *) -{ - return E_NOINTERFACE; -} - -ULONG STDMETHODCALLTYPE DeckLinkCapture::AddRef(void) -{ - return refcount.fetch_add(1) + 1; -} - -ULONG STDMETHODCALLTYPE DeckLinkCapture::Release(void) -{ - int new_ref = refcount.fetch_sub(1) - 1; - if (new_ref == 0) - delete this; - return new_ref; -} - -HRESULT STDMETHODCALLTYPE DeckLinkCapture::VideoInputFormatChanged( - BMDVideoInputFormatChangedEvents, - IDeckLinkDisplayMode* display_mode, - 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; -} - -HRESULT STDMETHODCALLTYPE DeckLinkCapture::VideoInputFrameArrived( - IDeckLinkVideoInputFrame *video_frame, - IDeckLinkAudioInputPacket *audio_frame) -{ - if (!done_init) { - char thread_name[16]; - snprintf(thread_name, sizeof(thread_name), "DeckLink_C_%d", card_index); - pthread_setname_np(pthread_self(), thread_name); - - sched_param param; - memset(¶m, 0, sizeof(param)); - param.sched_priority = 1; - if (sched_setscheduler(0, SCHED_RR, ¶m) == -1) { - printf("couldn't set realtime priority for DeckLink thread: %s\n", strerror(errno)); - } - - if (has_dequeue_callbacks) { - dequeue_init_callback(); - } - done_init = true; - } - - steady_clock::time_point now = steady_clock::now(); - - FrameAllocator::Frame current_video_frame, current_audio_frame; - VideoFormat video_format; - AudioFormat audio_format; - - 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); - - const int width = video_frame->GetWidth(); - const int height = video_frame->GetHeight(); - const int stride = video_frame->GetRowBytes(); - const BMDPixelFormat format = video_frame->GetPixelFormat(); - assert(format == pixel_format_to_bmd(current_pixel_format)); - if (global_flags.ten_bit_input) { - assert(stride == int(v210Converter::get_v210_stride(width))); - } else { - assert(stride == width * 2); - } - - current_video_frame = video_frame_allocator->alloc_frame(); - if (current_video_frame.data != nullptr) { - const uint8_t *frame_bytes; - video_frame->GetBytes((void **)&frame_bytes); - size_t num_bytes = stride * height; - - if (current_video_frame.interleaved) { - uint8_t *data = current_video_frame.data; - uint8_t *data2 = current_video_frame.data2; - memcpy_interleaved(data, data2, frame_bytes, num_bytes); - } else { - memcpy(current_video_frame.data, frame_bytes, num_bytes); - } - current_video_frame.len += num_bytes; - - video_format.width = width; - video_format.height = height; - video_format.stride = stride; - } - } - - if (audio_frame) { - int num_samples = audio_frame->GetSampleFrameCount(); - - current_audio_frame = audio_frame_allocator->alloc_frame(); - if (current_audio_frame.data != nullptr) { - const uint8_t *frame_bytes; - audio_frame->GetBytes((void **)&frame_bytes); - current_audio_frame.len = sizeof(int32_t) * 2 * num_samples; - - memcpy(current_audio_frame.data, frame_bytes, current_audio_frame.len); - - audio_format.bits_per_sample = 32; - audio_format.num_channels = 2; - } - } - - current_video_frame.received_timestamp = now; - current_audio_frame.received_timestamp = now; - - if (current_video_frame.data != nullptr || current_audio_frame.data != nullptr) { - // TODO: Put into a queue and put into a dequeue thread, if the - // BlackMagic drivers don't already do that for us? - frame_callback(timecode, - current_video_frame, /*video_offset=*/0, video_format, - current_audio_frame, /*audio_offset=*/0, audio_format); - } - - timecode++; - return S_OK; -} - -void DeckLinkCapture::configure_card() -{ - if (video_frame_allocator == nullptr) { - owned_video_frame_allocator.reset(new MallocFrameAllocator(FRAME_SIZE, NUM_QUEUED_VIDEO_FRAMES)); - set_video_frame_allocator(owned_video_frame_allocator.get()); - } - if (audio_frame_allocator == nullptr) { - owned_audio_frame_allocator.reset(new MallocFrameAllocator(65536, NUM_QUEUED_AUDIO_FRAMES)); - set_audio_frame_allocator(owned_audio_frame_allocator.get()); - } -} - -void DeckLinkCapture::start_bm_capture() -{ - if (running) { - return; - } - if (input->EnableVideoInput(current_video_mode, pixel_format_to_bmd(current_pixel_format), 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 (!running) { - return; - } - HRESULT result = input->StopStreams(); - if (result != S_OK) { - fprintf(stderr, "StopStreams failed with error 0x%x\n", result); - exit(1); - } - - // We could call DisableVideoInput() and DisableAudioInput() here, - // but they seem to be taking a really long time, and we only do this - // during shutdown anyway, so StopStreams() will suffice. - - running = false; -} - -void DeckLinkCapture::set_video_mode(uint32_t video_mode_id) -{ - if (running) { - if (input->PauseStreams() != S_OK) { - fprintf(stderr, "PauseStreams failed\n"); - exit(1); - } - if (input->FlushStreams() != S_OK) { - fprintf(stderr, "FlushStreams failed\n"); - exit(1); - } - } - - set_video_mode_no_restart(video_mode_id); - - if (running) { - if (input->StartStreams() != S_OK) { - fprintf(stderr, "StartStreams failed\n"); - exit(1); - } - } -} - -void DeckLinkCapture::set_pixel_format(PixelFormat pixel_format) -{ - current_pixel_format = pixel_format; - set_video_mode(current_video_mode); -} - -void DeckLinkCapture::set_video_mode_no_restart(uint32_t video_mode_id) -{ - BMDDisplayModeSupport support; - IDeckLinkDisplayMode *display_mode; - if (input->DoesSupportVideoMode(video_mode_id, pixel_format_to_bmd(current_pixel_format), /*flags=*/0, &support, &display_mode)) { - fprintf(stderr, "Failed to query display mode for card %d\n", card_index); - exit(1); - } - - if (support == bmdDisplayModeNotSupported) { - fprintf(stderr, "Card %d does not support display mode\n", card_index); - exit(1); - } - - if (display_mode->GetFrameRate(&frame_duration, &time_scale) != S_OK) { - fprintf(stderr, "Could not get frame rate for card %d\n", card_index); - exit(1); - } - - field_dominance = display_mode->GetFieldDominance(); - - if (running) { - if (input->EnableVideoInput(video_mode_id, pixel_format_to_bmd(current_pixel_format), 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; -} - -void DeckLinkCapture::set_video_input(uint32_t video_input_id) -{ - if (config->SetInt(bmdDeckLinkConfigVideoInputConnection, video_input_id) != S_OK) { - fprintf(stderr, "Failed to set video input connection for card %d\n", card_index); - exit(1); - } - - current_video_input = video_input_id; -} - -void DeckLinkCapture::set_audio_input(uint32_t audio_input_id) -{ - if (config->SetInt(bmdDeckLinkConfigAudioInputConnection, audio_input_id) != S_OK) { - fprintf(stderr, "Failed to set audio input connection for card %d\n", card_index); - exit(1); - } - - current_audio_input = audio_input_id; -}