Fix a crash bug when trying to send disconnected frames for Y'CbCr FFmpeg inputs.

diff --git a/ffmpeg_capture.cpp b/ffmpeg_capture.cpp
index 42bdb2f765d65b18e69a2543793a08ad38590cfc..b8010d08219b52e30479b299822550ac8a850519 100644 (file)
--- a/ffmpeg_capture.cpp
+++ b/ffmpeg_capture.cpp
@@ -313,12 +313,20 @@ void FFmpegCapture::send_disconnected_frame()
                VideoFormat video_format;
                video_format.width = width;
                video_format.height = height;
-               video_format.stride = width * 4;
                video_format.frame_rate_nom = 60;
                video_format.frame_rate_den = 1;
                video_format.is_connected = false;
-
-               video_frame.len = width * height * 4;
+               if (pixel_format == bmusb::PixelFormat_8BitBGRA) {
+                       video_format.stride = width * 4;
+                       video_frame.len = width * height * 4;
+               } else {
+                       video_format.stride = width;
+                       current_frame_ycbcr_format.full_range = true;
+                       current_frame_ycbcr_format.num_levels = 256;
+                       current_frame_ycbcr_format.chroma_subsampling_x = 2;
+                       current_frame_ycbcr_format.chroma_subsampling_y = 2;
+                       video_frame.len = width * height * 2;
+               }
                memset(video_frame.data, 0, video_frame.len);
 
                frame_callback(-1, AVRational{1, TIMEBASE}, -1, AVRational{1, TIMEBASE}, timecode++,