X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=decklink_capture.cpp;h=6507959251d08a82bec466f180949d4985bdc1f8;hb=e5a0d3dfb676087bdcef4c82876234782e46604c;hp=ea9520705781bcb31da57713e0a0be1d0174e1ee;hpb=90598079cba30f18714212ecd3f8602d7bcdfa67;p=nageru

diff --git a/decklink_capture.cpp b/decklink_capture.cpp
index ea95207..6507959 100644
--- a/decklink_capture.cpp
+++ b/decklink_capture.cpp
@@ -319,6 +319,14 @@ HRESULT STDMETHODCALLTYPE DeckLinkCapture::VideoInputFrameArrived(
 		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(&param, 0, sizeof(param));
+		param.sched_priority = 1;
+		if (sched_setscheduler(0, SCHED_RR, &param) == -1) {
+			printf("couldn't set realtime priority for DeckLink thread: %s\n", strerror(errno));
+		}
+
 		if (has_dequeue_callbacks) {
 			dequeue_init_callback();
 		}
@@ -340,8 +348,8 @@ HRESULT STDMETHODCALLTYPE DeckLinkCapture::VideoInputFrameArrived(
 	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();
 		const BMDPixelFormat format = video_frame->GetPixelFormat();
 		assert(format == pixel_format_to_bmd(current_pixel_format));
@@ -460,14 +468,11 @@ void DeckLinkCapture::stop_dequeue_thread()
 		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;
 }