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rl2: return meaningful error codes

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2012-11-24 10:27:22 +00:00
parent 1a61c7a54b
commit ed591ed842
1 changed files with 6 additions and 5 deletions
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11
libavcodec/rl2.c
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@ -140,7 +140,7 @@ static av_cold int rl2_decode_init(AVCodecContext *avctx)
/** parse extra data */
if(!avctx->extradata || avctx->extradata_size < EXTRADATA1_SIZE){
av_log(avctx, AV_LOG_ERROR, "invalid extradata size\n");
return -1;
return AVERROR_INVALIDDATA;
}
/** get frame_offset */
@ -149,7 +149,7 @@ static av_cold int rl2_decode_init(AVCodecContext *avctx)
if(s->video_base >= avctx->width * avctx->height){
av_log(avctx, AV_LOG_ERROR, "invalid video_base\n");
return -1;
return AVERROR_INVALIDDATA;
}
/** initialize palette */
@ -162,7 +162,7 @@ static av_cold int rl2_decode_init(AVCodecContext *avctx)
if(back_size > 0){
unsigned char* back_frame = av_mallocz(avctx->width*avctx->height);
if(!back_frame)
return -1;
return AVERROR(ENOMEM);
rl2_rle_decode(s,avctx->extradata + EXTRADATA1_SIZE,back_size,
back_frame,avctx->width,0);
s->back_frame = back_frame;
@ -178,15 +178,16 @@ static int rl2_decode_frame(AVCodecContext *avctx,
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
Rl2Context *s = avctx->priv_data;
int ret;
if(s->frame.data[0])
avctx->release_buffer(avctx, &s->frame);
/** get buffer */
s->frame.reference= 0;
if(avctx->get_buffer(avctx, &s->frame)) {
if ((ret = avctx->get_buffer(avctx, &s->frame)) < 0) {
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return -1;
return ret;
}
/** run length decode */