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-rw-r--r--libavcodec/mjpegdec.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c
index 7dc0616a8f..d1d81d3493 100644
--- a/libavcodec/mjpegdec.c
+++ b/libavcodec/mjpegdec.c
@@ -669,6 +669,11 @@ static int mjpeg_decode_scan(MJpegDecodeContext *s, int nb_components, int ss, i
int c = s->comp_index[i];
data[c] = s->picture.data[c];
linesize[c]=s->linesize[c];
+ if(s->avctx->codec->id==CODEC_ID_AMV) {
+ //picture should be flipped upside-down for this codec
+ data[c] += (linesize[c] * (s->v_scount[i] * 8 * s->mb_height - 1));
+ linesize[c] *= -1;
+ }
}
for(mb_y = 0; mb_y < s->mb_height; mb_y++) {