avformat/adxdec: set avctx->channels in adx_read_header

It is used in adx_read_packet, which currently depends on the decoder/parser setting this value between reading the file header and demuxing the first packet.

Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 64ea4a0598)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Andreas Cadhalpun 2015-02-26 01:06:57 +01:00 committed by Michael Niedermayer
parent 20655dd2ec
commit 72f83ad277
1 changed files with 6 additions and 0 deletions

View File

@ -83,8 +83,14 @@ static int adx_read_header(AVFormatContext *s)
av_log(s, AV_LOG_ERROR, "Invalid extradata size.\n"); av_log(s, AV_LOG_ERROR, "Invalid extradata size.\n");
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
} }
avctx->channels = AV_RB8(avctx->extradata + 7);
avctx->sample_rate = AV_RB32(avctx->extradata + 8); avctx->sample_rate = AV_RB32(avctx->extradata + 8);
if (avctx->channels <= 0) {
av_log(s, AV_LOG_ERROR, "invalid number of channels %d\n", avctx->channels);
return AVERROR_INVALIDDATA;
}
st->codec->codec_type = AVMEDIA_TYPE_AUDIO; st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
st->codec->codec_id = s->iformat->raw_codec_id; st->codec->codec_id = s->iformat->raw_codec_id;