X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=decklink_capture.cpp;h=6dba068fca51108fcbfc3a55050efcc1223880ee;hb=d3e48df512d9476d3849227067792a3537bb094e;hp=57d364d0a24404a0aa94830c5166b2787de4f5d6;hpb=974134081493cf30b4207337b5695b27e18727bd;p=nageru diff --git a/decklink_capture.cpp b/decklink_capture.cpp index 57d364d..6dba068 100644 --- a/decklink_capture.cpp +++ b/decklink_capture.cpp @@ -1,25 +1,34 @@ #include "decklink_capture.h" +#include +#include +#include +#include #include +#ifdef __SSE2__ +#include +#endif +#include #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" +#include "flags.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 { @@ -58,7 +67,7 @@ size_t memcpy_interleaved_fastpath(uint8_t *dest1, uint8_t *dest2, const uint8_t memcpy_interleaved(dest1, dest2, src, n2); dest1 += n2 / 2; dest2 += n2 / 2; - if (n2 % 1) { + if (n2 % 2) { swap(dest1, dest2); } src = aligned_src; @@ -72,9 +81,9 @@ size_t memcpy_interleaved_fastpath(uint8_t *dest1, uint8_t *dest2, const uint8_t assert(((limit - src) % 64) == 0); #if __AVX2__ - const __restrict __m256i *in = (const __m256i *)src; - __restrict __m256i *out1 = (__m256i *)dest1; - __restrict __m256i *out2 = (__m256i *)dest2; + const __m256i * __restrict in = (const __m256i *)src; + __m256i * __restrict out1 = (__m256i *)dest1; + __m256i * __restrict out2 = (__m256i *)dest2; __m256i shuffle_cw = _mm256_set_epi8( 15, 13, 11, 9, 7, 5, 3, 1, 14, 12, 10, 8, 6, 4, 2, 0, @@ -102,9 +111,9 @@ size_t memcpy_interleaved_fastpath(uint8_t *dest1, uint8_t *dest2, const uint8_t consumed += 64; } #else - const __restrict __m128i *in = (const __m128i *)src; - __restrict __m128i *out1 = (__m128i *)dest1; - __restrict __m128i *out2 = (__m128i *)dest2; + const __m128i * __restrict in = (const __m128i *)src; + __m128i * __restrict out1 = (__m128i *)dest1; + __m128i * __restrict out2 = (__m128i *)dest2; __m128i mask_lower_byte = _mm_set1_epi16(0x00ff); while (in < (const __m128i *)limit) { @@ -131,18 +140,30 @@ size_t memcpy_interleaved_fastpath(uint8_t *dest1, uint8_t *dest2, const uint8_t #endif // __SSE2__ +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_index(card_index), card(card) { { const char *model_name; char buf[256]; if (card->GetModelName(&model_name) == S_OK) { - snprintf(buf, sizeof(buf), "Card %d: %s", card_index, model_name); + snprintf(buf, sizeof(buf), "PCI card %d: %s", card_index, model_name); } else { - snprintf(buf, sizeof(buf), "Card %d: Unknown DeckLink card", card_index); + snprintf(buf, sizeof(buf), "PCI card %d: Unknown DeckLink card", card_index); } description = buf; } @@ -152,68 +173,93 @@ DeckLinkCapture::DeckLinkCapture(IDeckLink *card, int card_index) exit(1); } - /* Set up the video and audio sources. */ - IDeckLinkConfiguration *config; - if (card->QueryInterface(IID_IDeckLinkConfiguration, (void**)&config) != S_OK) { - fprintf(stderr, "Failed to get configuration interface for card %d\n", card_index); + IDeckLinkAttributes *attr; + if (card->QueryInterface(IID_IDeckLinkAttributes, (void**)&attr) != S_OK) { + fprintf(stderr, "Card %d has no attributes\n", card_index); exit(1); } - if (config->SetInt(bmdDeckLinkConfigVideoInputConnection, bmdVideoConnectionHDMI) != S_OK) { - fprintf(stderr, "Failed to set video input connection for card %d\n", card_index); + // 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); } - - if (config->SetInt(bmdDeckLinkConfigAudioInputConnection, bmdAudioConnectionEmbedded) != S_OK) { - fprintf(stderr, "Failed to set video input connection 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); + } } - IDeckLinkDisplayModeIterator *mode_it; - if (input->GetDisplayModeIterator(&mode_it) != S_OK) { - fprintf(stderr, "Failed to enumerate display modes for card %d\n", card_index); + // 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); } - - for (IDeckLinkDisplayMode *mode_ptr; mode_it->Next(&mode_ptr) == S_OK; mode_ptr->Release()) { - VideoMode mode; - mode.id = mode_ptr->GetDisplayMode(); - - const char *mode_name; - if (mode_ptr->GetName(&mode_name) != S_OK) { - mode.name = "Unknown mode"; - } else { - mode.name = mode_name; + 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); } + } - mode.autodetect = false; - - mode.width = mode_ptr->GetWidth(); - mode.height = mode_ptr->GetHeight(); + // 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; + } - 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); + // 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; } - 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); + attr->Release(); - video_modes.push_back(mode); + /* 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); } - // TODO: Make the user mode selectable. - set_video_mode(bmdModeHD720p5994); + BMDVideoConnection connection = pick_default_video_connection(card, BMDDeckLinkVideoInputConnections, card_index); - if (input->EnableAudioInput(48000, bmdAudioSampleType32bitInteger, 2) != S_OK) { - fprintf(stderr, "Failed to enable audio input for card %d\n", 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); } @@ -222,6 +268,9 @@ DeckLinkCapture::~DeckLinkCapture() if (has_dequeue_callbacks) { dequeue_cleanup_callback(); } + input->Release(); + config->Release(); + card->Release(); } HRESULT STDMETHODCALLTYPE DeckLinkCapture::QueryInterface(REFIID, LPVOID *) @@ -245,12 +294,20 @@ 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; } @@ -259,54 +316,81 @@ HRESULT STDMETHODCALLTYPE DeckLinkCapture::VideoInputFrameArrived( 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); - int width = video_frame->GetWidth(); - int height = video_frame->GetHeight(); + const int width = video_frame->GetWidth(); + const int height = video_frame->GetHeight(); const int stride = video_frame->GetRowBytes(); - assert(stride == width * 2); + 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; - uint8_t *data = current_video_frame.data; - uint8_t *data2 = current_video_frame.data2; - size_t num_bytes = width * height * 2; + if (current_video_frame.interleaved) { + uint8_t *data = current_video_frame.data; + uint8_t *data2 = current_video_frame.data2; #ifdef __SSE2__ - size_t consumed = memcpy_interleaved_fastpath(data, data2, frame_bytes, num_bytes); - frame_bytes += consumed; - data += consumed / 2; - data2 += consumed / 2; - if (num_bytes % 2) { - swap(data, data2); - } - current_video_frame.len += consumed; - num_bytes -= consumed; + size_t consumed = memcpy_interleaved_fastpath(data, data2, frame_bytes, num_bytes); + frame_bytes += consumed; + data += consumed / 2; + data2 += consumed / 2; + if (num_bytes % 2) { + swap(data, data2); + } + current_video_frame.len += consumed; + num_bytes -= consumed; #endif - if (num_bytes > 0) { - memcpy_interleaved(data, data2, frame_bytes, num_bytes); + if (num_bytes > 0) { + 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; } } @@ -326,6 +410,9 @@ HRESULT STDMETHODCALLTYPE DeckLinkCapture::VideoInputFrameArrived( } } + 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? @@ -341,34 +428,91 @@ HRESULT STDMETHODCALLTYPE DeckLinkCapture::VideoInputFrameArrived( void DeckLinkCapture::configure_card() { if (video_frame_allocator == nullptr) { - set_video_frame_allocator(new MallocFrameAllocator(FRAME_SIZE, NUM_QUEUED_VIDEO_FRAMES)); // FIXME: leak. + 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) { - set_audio_frame_allocator(new MallocFrameAllocator(65536, NUM_QUEUED_AUDIO_FRAMES)); // FIXME: leak. + 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 (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 (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, bmdFormat8BitYUV, /*flags=*/0, &support, &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); } @@ -383,10 +527,34 @@ void DeckLinkCapture::set_video_mode(uint32_t video_mode_id) exit(1); } - if (input->EnableVideoInput(video_mode_id, bmdFormat8BitYUV, 0) != S_OK) { - fprintf(stderr, "Failed to set 720p59.94 connection 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; +}