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smacker: use meaningful error codes 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2012-12-06 18:06:52 +00:00
parent 29c3ebf56e
commit 547b8aeed4
1 changed files with 5 additions and 5 deletions
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10
libavformat/smacker.c
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@ -110,7 +110,7 @@ static int smacker_read_header(AVFormatContext *s)
/* read and check header */
smk->magic = avio_rl32(pb);
if (smk->magic != MKTAG('S', 'M', 'K', '2') && smk->magic != MKTAG('S', 'M', 'K', '4'))
return -1;
return AVERROR_INVALIDDATA;
smk->width = avio_rl32(pb);
smk->height = avio_rl32(pb);
smk->frames = avio_rl32(pb);
@ -124,7 +124,7 @@ static int smacker_read_header(AVFormatContext *s)
if(smk->treesize >= UINT_MAX/4){ // smk->treesize + 16 must not overflow (this check is probably redundant)
av_log(s, AV_LOG_ERROR, "treesize too large\n");
return -1;
return AVERROR_INVALIDDATA;
}
//FIXME remove extradata "rebuilding"
@ -140,7 +140,7 @@ static int smacker_read_header(AVFormatContext *s)
/* setup data */
if(smk->frames > 0xFFFFFF) {
av_log(s, AV_LOG_ERROR, "Too many frames: %i\n", smk->frames);
return -1;
return AVERROR_INVALIDDATA;
}
smk->frm_size = av_malloc(smk->frames * 4);
smk->frm_flags = av_malloc(smk->frames);
@ -158,7 +158,7 @@ static int smacker_read_header(AVFormatContext *s)
/* init video codec */
st = avformat_new_stream(s, NULL);
if (!st)
return -1;
return AVERROR(ENOMEM);
smk->videoindex = st->index;
st->codec->width = smk->width;
st->codec->height = smk->height;
@ -216,7 +216,7 @@ static int smacker_read_header(AVFormatContext *s)
av_log(s, AV_LOG_ERROR, "Cannot allocate %i bytes of extradata\n", smk->treesize + 16);
av_free(smk->frm_size);
av_free(smk->frm_flags);
return -1;
return AVERROR(ENOMEM);
}
ret = avio_read(pb, st->codec->extradata + 16, st->codec->extradata_size - 16);
if(ret != st->codec->extradata_size - 16){