#ifdef __SSE2__
#include <immintrin.h>
#endif
+#include <pthread.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <vector>
#include "bmusb/bmusb.h"
+#include "decklink_util.h"
#define FRAME_SIZE (8 << 20) // 8 MB.
}
}
+ // 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);
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);
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.width = width;
video_format.height = height;
- current_video_frame.received_timestamp = steady_clock::now();
+ current_video_frame.received_timestamp = now;
}
}
audio_format.bits_per_sample = 32;
audio_format.num_channels = 2;
- current_audio_frame.received_timestamp = steady_clock::now();
+ current_audio_frame.received_timestamp = now;
}
}
if (running) {
return;
}
- if (input->EnableVideoInput(current_video_mode, bmdFormat8BitYUV, 0) != S_OK) {
+ 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);
}
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);
}
field_dominance = display_mode->GetFieldDominance();
if (running) {
- if (input->EnableVideoInput(video_mode_id, bmdFormat8BitYUV, 0) != S_OK) {
+ 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);
}