#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 <cstddef>
-#ifdef __SSE2__
-#include <immintrin.h>
-#endif
+#include <chrono>
+#include <cstdint>
+#include <utility>
+#include <vector>
-#include <DeckLinkAPI.h>
-#include <DeckLinkAPIConfiguration.h>
-#include <DeckLinkAPIDiscovery.h>
-#include <DeckLinkAPIModes.h>
#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;
namespace {
memcpy_interleaved(dest1, dest2, src, n2);
dest1 += n2 / 2;
dest2 += n2 / 2;
- if (n2 % 1) {
+ if (n2 % 2) {
swap(dest1, dest2);
}
src = aligned_src;
}
}
+ // 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. */
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;
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);
}
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;
}
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);
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);
}
}
+ 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?
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);
}
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;
projects / nageru / blobdiff