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factorize common wav local tags

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Originally committed as revision 16932 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2009-02-02 04:40:57 +00:00
parent f9303ffd62
commit 0290074c31
1 changed files with 8 additions and 12 deletions
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20
libavformat/mxfenc.c
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@ -680,11 +680,11 @@ static void mxf_write_generic_sound_desc(AVFormatContext *s, AVStream *st, const
put_be32(pb, st->codec->bits_per_coded_sample);
}
static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
static void mxf_write_wav_common_desc(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
{
ByteIOContext *pb = s->pb;
mxf_write_generic_sound_desc(s, st, mxf_wav_descriptor_key, 107);
mxf_write_generic_sound_desc(s, st, key, size);
mxf_write_local_tag(pb, 2, 0x3D0A);
put_be16(pb, st->codec->block_align);
@ -694,18 +694,14 @@ static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
put_be32(pb, st->codec->block_align*st->codec->sample_rate);
}
static void mxf_write_wav_desc(AVFormatContext *s, AVStream *st)
{
mxf_write_wav_common_desc(s, st, mxf_wav_descriptor_key, 107);
}
static void mxf_write_aes3_desc(AVFormatContext *s, AVStream *st)
{
ByteIOContext *pb = s->pb;
mxf_write_generic_sound_desc(s, st, mxf_aes3_descriptor_key, 107);
mxf_write_local_tag(pb, 2, 0x3D0A);
put_be16(pb, st->codec->block_align);
// avg bytes per sec
mxf_write_local_tag(pb, 4, 0x3D09);
put_be32(pb, st->codec->block_align*st->codec->sample_rate);
mxf_write_wav_common_desc(s, st, mxf_aes3_descriptor_key, 107);
}
static void mxf_write_package(AVFormatContext *s, enum MXFMetadataSetType type)