#include "bmusb/bmusb.h"
#include "decklink_util.h"
+#include "flags.h"
+#include "v210_converter.h"
#define FRAME_SIZE (8 << 20) // 8 MB.
#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)
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();
}
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) {
video_format.width = width;
video_format.height = height;
+ video_format.stride = stride;
}
}
if (running) {
return;
}
- if (input->EnableVideoInput(current_video_mode, bmdFormat8BitYUV, supports_autodetect ? bmdVideoInputEnableFormatDetection : 0) != S_OK) {
+ 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);
}
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);
- }
+
+ // 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 (input->PauseStreams() != S_OK) {
- fprintf(stderr, "PauseStreams failed\n");
- exit(1);
- }
- if (input->FlushStreams() != S_OK) {
- fprintf(stderr, "FlushStreams 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);
}
field_dominance = display_mode->GetFieldDominance();
if (running) {
- if (input->EnableVideoInput(video_mode_id, bmdFormat8BitYUV, supports_autodetect ? bmdVideoInputEnableFormatDetection : 0) != S_OK) {
+ 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);
}