X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Fyuv4mpeg.c;h=9c544e8f3a76ee675a1044fe71e5642e0a91ca18;hb=4a519b6e036bb593d868c2a424da43512215c571;hp=61c72f5d825d8b23ba91649a49bce6d54855f561;hpb=b5a69e79c579e6e15e2019ffd34ef0e09aeab586;p=ffmpeg

diff --git a/libavformat/yuv4mpeg.c b/libavformat/yuv4mpeg.c
index 61c72f5d825..9c544e8f3a7 100644
--- a/libavformat/yuv4mpeg.c
+++ b/libavformat/yuv4mpeg.c
@@ -195,7 +195,7 @@ AVOutputFormat ff_yuv4mpegpipe_muxer = {
 #define MAX_YUV4_HEADER 80
 #define MAX_FRAME_HEADER 80
 
-static int yuv4_read_header(AVFormatContext *s, AVFormatParameters *ap)
+static int yuv4_read_header(AVFormatContext *s)
 {
     char header[MAX_YUV4_HEADER + 10];  // Include headroom for
                                         // the longest option
@@ -249,6 +249,9 @@ static int yuv4_read_header(AVFormatContext *s, AVFormatParameters *ap)
             } else if (strncmp("420paldv", tokstart, 8) == 0) {
                 pix_fmt = PIX_FMT_YUV420P;
                 chroma_sample_location = AVCHROMA_LOC_TOPLEFT;
+            } else if (strncmp("420", tokstart, 3) == 0) {
+                pix_fmt = PIX_FMT_YUV420P;
+                chroma_sample_location = AVCHROMA_LOC_CENTER;
             } else if (strncmp("411", tokstart, 3) == 0)
                 pix_fmt = PIX_FMT_YUV411P;
             else if (strncmp("422", tokstart, 3) == 0)