+++ /dev/null
-#include "decklink_capture.h"
-
-#include <DeckLinkAPI.h>
-#include <DeckLinkAPIConfiguration.h>
-#include <DeckLinkAPIDiscovery.h>
-#include <DeckLinkAPIModes.h>
-#include <assert.h>
-#ifdef __SSE2__
-#include <immintrin.h>
-#endif
-#include <pthread.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <chrono>
-#include <cstdint>
-#include <utility>
-#include <vector>
-
-#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<pair<BMDVideoConnection, string>> 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<pair<BMDAudioConnection, string>> 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;
-}
projects / nageru / blobdiff