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flvdec: Check avpriv_mpeg4audio_get_config() return

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value before using its output.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-12-31 03:39:22 +01:00
parent b6ffceefb5
commit 5500e65342
1 changed files with 3 additions and 2 deletions
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5
libavformat/flvdec.c
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@ -591,8 +591,8 @@ static int flv_read_packet(AVFormatContext *s, AVPacket *pkt)
return ret; return ret;
if (st->codec->codec_id == CODEC_ID_AAC) { if (st->codec->codec_id == CODEC_ID_AAC) {
MPEG4AudioConfig cfg; MPEG4AudioConfig cfg;
avpriv_mpeg4audio_get_config(&cfg, st->codec->extradata, if (avpriv_mpeg4audio_get_config(&cfg, st->codec->extradata,
st->codec->extradata_size * 8, 1); st->codec->extradata_size * 8, 1) >= 0) {
st->codec->channels = cfg.channels; st->codec->channels = cfg.channels;
if (cfg.ext_sample_rate) if (cfg.ext_sample_rate)
st->codec->sample_rate = cfg.ext_sample_rate; st->codec->sample_rate = cfg.ext_sample_rate;
@ -600,6 +600,7 @@ static int flv_read_packet(AVFormatContext *s, AVPacket *pkt)
st->codec->sample_rate = cfg.sample_rate; st->codec->sample_rate = cfg.sample_rate;
av_dlog(s, "mp4a config channels %d sample rate %d\n", av_dlog(s, "mp4a config channels %d sample rate %d\n",
st->codec->channels, st->codec->sample_rate); st->codec->channels, st->codec->sample_rate);
}
} }
ret = AVERROR(EAGAIN); ret = AVERROR(EAGAIN);