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oggdec: Don't use ogg_stream's seq for vorbis or speex headers

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Originally committed as revision 22459 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
David Conrad
2010-03-11 07:17:46 +00:00
parent 77560b0ef1
commit 8f8320d7c3
2 changed files with 18 additions and 14 deletions
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15
libavformat/oggparsevorbis.c
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@ -166,23 +166,24 @@ vorbis_header (AVFormatContext * s, int idx)
struct ogg_stream *os = ogg->streams + idx;
AVStream *st = s->streams[idx];
struct oggvorbis_private *priv;
int pkt_type = os->buf[os->pstart];
if (os->seq > 2)
if (!(pkt_type & 1))
return 0;
if (os->seq == 0) {
if (!os->private) {
os->private = av_mallocz(sizeof(struct oggvorbis_private));
if (!os->private)
return 0;
}
if (os->psize < 1)
if (os->psize < 1 || pkt_type > 5)
return -1;
priv = os->private;
priv->len[os->seq] = os->psize;
priv->packet[os->seq] = av_mallocz(os->psize);
memcpy(priv->packet[os->seq], os->buf + os->pstart, os->psize);
priv->len[pkt_type >> 1] = os->psize;
priv->packet[pkt_type >> 1] = av_mallocz(os->psize);
memcpy(priv->packet[pkt_type >> 1], os->buf + os->pstart, os->psize);
if (os->buf[os->pstart] == 1) {
const uint8_t *p = os->buf + os->pstart + 7; /* skip "\001vorbis" tag */
unsigned blocksize, bs0, bs1;
@ -224,7 +225,7 @@ vorbis_header (AVFormatContext * s, int idx)
fixup_vorbis_headers(s, priv, &st->codec->extradata);
}
return os->seq < 3;
return 1;
}
const struct ogg_codec ff_vorbis_codec = {