From 909678c70767b5eafe9f5619c42f9c0e72404097 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 10 Jan 2004 19:54:12 +0000 Subject: grayscale mjpeg decoding support based upon a patch by (Leon Bottou (leonb)) Originally committed as revision 2687 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/mjpeg.c | 6 ++++-- 1 file 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; -- cgit v1.2.3