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lavf/oggdec: rework allocations in ogg_new_streams().

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This commit is contained in:
Clément Bœsch 2012-09-14 23:51:30 +02:00
parent edca80387c
commit 3a89553347
1 changed files with 12 additions and 4 deletions
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16
libavformat/oggdec.c
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@ -165,28 +165,36 @@ static int ogg_new_stream(AVFormatContext *s, uint32_t serial, int new_avstream)
{
struct ogg *ogg = s->priv_data;
int idx = ogg->nstreams++;
int idx = ogg->nstreams;
AVStream *st;
struct ogg_stream *os;
size_t size;
ogg->streams = av_realloc (ogg->streams,
ogg->nstreams * sizeof (*ogg->streams));
if (av_size_mult(ogg->nstreams + 1, sizeof(*ogg->streams), &size) < 0 ||
!(os = av_realloc(ogg->streams, size)))
return AVERROR(ENOMEM);
ogg->streams = os;
memset (ogg->streams + idx, 0, sizeof (*ogg->streams));
os = ogg->streams + idx;
os->serial = serial;
os->bufsize = DECODER_BUFFER_SIZE;
os->buf = av_malloc(os->bufsize + FF_INPUT_BUFFER_PADDING_SIZE);
os->header = -1;
if (!os->buf)
return AVERROR(ENOMEM);
if (new_avstream) {
st = avformat_new_stream(s, NULL);
if (!st)
if (!st) {
av_freep(&os->buf);
return AVERROR(ENOMEM);
}
st->id = idx;
avpriv_set_pts_info(st, 64, 1, 1000000);
}
ogg->nstreams++;
return idx;
}