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Code Issues Releases Activity

avcodec/vc1dec: fix propagating error codes from various functions

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-09-23 14:57:30 +02:00
parent a51f3b53fe
commit 356031348c
1 changed files with 13 additions and 12 deletions
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25
libavcodec/vc1dec.c
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@ -5581,6 +5581,7 @@ static av_cold int vc1_decode_init(AVCodecContext *avctx)
VC1Context *v = avctx->priv_data;
MpegEncContext *s = &v->s;
GetBitContext gb;
int ret;
/* save the container output size for WMImage */
v->output_width = avctx->width;
@ -5597,13 +5598,13 @@ static av_cold int vc1_decode_init(AVCodecContext *avctx)
avctx->flags |= CODEC_FLAG_EMU_EDGE;
v->s.flags |= CODEC_FLAG_EMU_EDGE;
if (ff_vc1_init_common(v) < 0)
return -1;
if ((ret = ff_vc1_init_common(v)) < 0)
return ret;
// ensure static VLC tables are initialized
if (ff_msmpeg4_decode_init(avctx) < 0)
return -1;
if (ff_vc1_decode_init_alloc_tables(v) < 0)
return -1;
if ((ret = ff_msmpeg4_decode_init(avctx)) < 0)
return ret;
if ((ret = ff_vc1_decode_init_alloc_tables(v)) < 0)
return ret;
// Hack to ensure the above functions will be called
// again once we know all necessary settings.
// That this is necessary might indicate a bug.
@ -5622,8 +5623,8 @@ static av_cold int vc1_decode_init(AVCodecContext *avctx)
init_get_bits(&gb, avctx->extradata, avctx->extradata_size*8);
if (ff_vc1_decode_sequence_header(avctx, v, &gb) < 0)
return -1;
if ((ret = ff_vc1_decode_sequence_header(avctx, v, &gb)) < 0)
return ret;
count = avctx->extradata_size*8 - get_bits_count(&gb);
if (count > 0) {
@ -5657,16 +5658,16 @@ static av_cold int vc1_decode_init(AVCodecContext *avctx)
init_get_bits(&gb, buf2, buf2_size * 8);
switch (AV_RB32(start)) {
case VC1_CODE_SEQHDR:
if (ff_vc1_decode_sequence_header(avctx, v, &gb) < 0) {
if ((ret = ff_vc1_decode_sequence_header(avctx, v, &gb)) < 0) {
av_free(buf2);
return -1;
return ret;
}
seq_initialized = 1;
break;
case VC1_CODE_ENTRYPOINT:
if (ff_vc1_decode_entry_point(avctx, v, &gb) < 0) {
if ((ret = ff_vc1_decode_entry_point(avctx, v, &gb)) < 0) {
av_free(buf2);
return -1;
return ret;
}
ep_initialized = 1;
break;