X-Git-Url: https://git.sesse.net/?p=nageru;a=blobdiff_plain;f=decklink_capture.cpp;h=6dba068fca51108fcbfc3a55050efcc1223880ee;hp=505083ff056a72018069ec2e3ae9e2573e5ab51a;hb=refs%2Fheads%2Fcef;hpb=cf7b9ee186d4ef8e5da0531b75854c97b821be44 diff --git a/decklink_capture.cpp b/decklink_capture.cpp index 505083f..6dba068 100644 --- a/decklink_capture.cpp +++ b/decklink_capture.cpp @@ -8,19 +8,25 @@ #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 "v210_converter.h" #define FRAME_SIZE (8 << 20) // 8 MB. using namespace std; +using namespace std::chrono; using namespace std::placeholders; using namespace bmusb; @@ -134,6 +140,18 @@ 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) @@ -202,6 +220,22 @@ 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. */ @@ -210,7 +244,9 @@ 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; @@ -219,44 +255,11 @@ 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); } @@ -291,12 +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; } @@ -305,54 +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; } } @@ -372,6 +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? @@ -398,40 +439,80 @@ void DeckLinkCapture::configure_card() 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 (input->StopStreams() != S_OK) { - fprintf(stderr, "StopStreams failed\n"); - exit(1); + 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 (input->StartStreams() != S_OK) { - fprintf(stderr, "StartStreams failed\n"); - exit(1); + 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); } @@ -446,9 +527,13 @@ 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, 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;