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eatgq: raise error on unsupported macroblock mode

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Peter Ross 2012-10-14 22:11:42 +11:00 committed by Michael Niedermayer
parent 0ea55365b9
commit 6bf43441f0

View File

@ -141,7 +141,10 @@ static void tgq_idct_put_mb_dconly(TgqContext *s, int mb_x, int mb_y, const int8
}
}
static void tgq_decode_mb(TgqContext *s, int mb_y, int mb_x){
/**
* @return <0 on error
*/
static int tgq_decode_mb(TgqContext *s, int mb_y, int mb_x){
int mode;
int i;
int8_t dc[6];
@ -168,9 +171,11 @@ static void tgq_decode_mb(TgqContext *s, int mb_y, int mb_x){
}
}else{
av_log(s->avctx, AV_LOG_ERROR, "unsupported mb mode %i\n", mode);
return -1;
}
tgq_idct_put_mb_dconly(s, mb_x, mb_y, dc);
}
return 0;
}
static void tgq_calculate_qtable(TgqContext *s, int quant){
@ -225,7 +230,8 @@ static int tgq_decode_frame(AVCodecContext *avctx,
for (y = 0; y < FFALIGN(avctx->height, 16) >> 4; y++)
for (x = 0; x < FFALIGN(avctx->width, 16) >> 4; x++)
tgq_decode_mb(s, y, x);
if (tgq_decode_mb(s, y, x) < 0)
return AVERROR_INVALIDDATA;
*data_size = sizeof(AVFrame);
*(AVFrame*)data = s->frame;