#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 <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 {
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);
}
fprintf(stderr, "Could not get new frame rate\n");
exit(1);
}
+ field_dominance = display_mode->GetFieldDominance();
return S_OK;
}
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);
video_format.width = width;
video_format.height = height;
+
+ current_video_frame.received_timestamp = steady_clock::now();
}
}
audio_format.bits_per_sample = 32;
audio_format.num_channels = 2;
+
+ current_audio_frame.received_timestamp = steady_clock::now();
}
}
void DeckLinkCapture::start_bm_capture()
{
+ if (running) {
+ return;
+ }
+ if (input->EnableVideoInput(current_video_mode, bmdFormat8BitYUV, 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)
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, 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;