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write shorter headers if possible

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Originally committed as revision 3494 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
2004-09-22 20:01:56 +00:00
parent a42c7b07ae
commit c4f8d5d9f9
4 changed files with 29 additions and 27 deletions
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4
libavformat/wav.c
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@@ -107,7 +107,7 @@ int put_wav_header(ByteIOContext *pb, AVCodecContext *enc)
put_le16(pb, 2); /* wav_extra_size */
hdrsize += 2;
put_le16(pb, ((enc->block_align - 4 * enc->channels) / (4 * enc->channels)) * 8 + 1); /* wSamplesPerBlock */
} else {
} else if(enc->extradata_size){
put_le16(pb, enc->extradata_size);
put_buffer(pb, enc->extradata, enc->extradata_size);
hdrsize += enc->extradata_size;
@@ -115,6 +115,8 @@ int put_wav_header(ByteIOContext *pb, AVCodecContext *enc)
hdrsize++;
put_byte(pb, 0);
}
} else {
hdrsize -= 2;
}
return hdrsize;