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latmenc: Document assumptions when copying the AAC header.

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Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
This commit is contained in:
Reimar Döffinger 2012-04-09 18:31:50 +02:00
parent 0c1e9c2d6a
commit eb24def465
1 changed files with 2 additions and 0 deletions
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libavformat/latmenc.c
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@ -111,6 +111,8 @@ static void latm_write_frame_header(AVFormatContext *s, PutBitContext *bs)
header_size = avctx->extradata_size-(ctx->off >> 3);
avpriv_copy_bits(bs, &avctx->extradata[ctx->off >> 3], header_size);
} else {
// + 3 assumes not scalable and dependsOnCoreCoder == 0,
// see decode_ga_specific_config in libavcodec/aacdec.c
avpriv_copy_bits(bs, avctx->extradata, ctx->off + 3);
if (!ctx->channel_conf) {