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avformat/adxdec: set avctx->channels in adx_read_header

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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 429347afa7
commit 4005a71def
1 changed files with 6 additions and 0 deletions
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6
libavformat/adxdec.c
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@ -83,8 +83,14 @@ static int adx_read_header(AVFormatContext *s)
av_log(s, AV_LOG_ERROR, "Invalid extradata size.\n");
return AVERROR_INVALIDDATA;
}
avctx->channels = AV_RB8(avctx->extradata + 7);
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_id = s->iformat->raw_codec_id;