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oggparsecelt: use ff_alloc_extradata() 

Signed-off-by: James Almer <jamrial@gmail.com>
Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
James Almer 2013-10-14 05:15:26 -03:00 committed by Michael Niedermayer
parent aae8975ffb
commit 00408f95e7
1 changed files with 3 additions and 12 deletions
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15
libavformat/oggparsecelt.c
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@ -44,16 +44,10 @@ static int celt_header(AVFormatContext *s, int idx)
uint32_t version, sample_rate, nb_channels, frame_size;
uint32_t overlap, extra_headers;
uint8_t *extradata;
extradata = av_malloc(2 * sizeof(uint32_t) +
FF_INPUT_BUFFER_PADDING_SIZE);
priv = av_malloc(sizeof(struct oggcelt_private));
if (!extradata || !priv) {
av_free(extradata);
av_free(priv);
if (!priv || ff_alloc_extradata(st->codec, 2 * sizeof(uint32_t)))
return AVERROR(ENOMEM);
}
version = AV_RL32(p + 28);
/* unused header size field skipped */
sample_rate = AV_RL32(p + 36);
@ -67,16 +61,13 @@ static int celt_header(AVFormatContext *s, int idx)
st->codec->sample_rate = sample_rate;
st->codec->channels = nb_channels;
st->codec->frame_size = frame_size;
av_free(st->codec->extradata);
st->codec->extradata = extradata;
st->codec->extradata_size = 2 * sizeof(uint32_t);
if (sample_rate)
avpriv_set_pts_info(st, 64, 1, sample_rate);
priv->extra_headers_left = 1 + extra_headers;
av_free(os->private);
os->private = priv;
AV_WL32(extradata + 0, overlap);
AV_WL32(extradata + 4, version);
AV_WL32(st->codec->extradata + 0, overlap);
AV_WL32(st->codec->extradata + 4, version);
return 1;
} else if (priv && priv->extra_headers_left) {
/* Extra headers (vorbiscomment) */