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-rw-r--r--libavcodec/mjpeg.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/libavcodec/mjpeg.c b/libavcodec/mjpeg.c
index a8dbc2bbd4..eeb177399c 100644
--- a/libavcodec/mjpeg.c
+++ b/libavcodec/mjpeg.c
@@ -1052,8 +1052,10 @@ static int mjpeg_decode_sof(MJpegDecodeContext *s)
case 0x11:
if(s->rgb){
s->avctx->pix_fmt = PIX_FMT_RGBA32;
- }else
+ }else if(s->nb_components==3)
s->avctx->pix_fmt = PIX_FMT_YUV444P;
+ else
+ s->avctx->pix_fmt = PIX_FMT_GRAY8;
break;
case 0x21:
s->avctx->pix_fmt = PIX_FMT_YUV422P;
@@ -1372,7 +1374,7 @@ static int mjpeg_decode_sos(MJpegDecodeContext *s)
return -1;
}
/* XXX: only interleaved scan accepted */
- if (nb_components != 3)
+ if (nb_components != s->nb_components)
{
dprintf("decode_sos: components(%d) mismatch\n", nb_components);
return -1;