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* commit '7f4ec4364bc4a73036660c1c6a3c4801db524e9e':
avformat: expose av_stream_new_side_data helper
Conflicts:
libavformat/internal.h
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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Signed-off-by: Anton Khirnov <anton@khirnov.net>
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* commit '4227e4fe7443733fb906f6fb6c265105e8269c74':
lavf: add a convenience function for adding side data to a stream
Conflicts:
libavformat/internal.h
libavformat/replaygain.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* commit 'ae43c10e36197000de2f3cc99ea35727ce98a796':
replaygain: allow exporting already decoded replaygain values
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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This adds a function to export raw replaygain values (i.e. in the (u)int32_t
form). It first checks whether AV_PKT_DATA_REPLAYGAIN side data is present, in
which case it does nothing.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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* commit '8542f9c4f17125d483c40c0c5723842f1c982f81':
replaygain: correctly parse peak values
Conflicts:
libavutil/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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* commit '25b6837f7cacd691b19cbc12b9dad1ce84a318a1':
replaygain: fix gain sign decoding
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Anton Khirnov <anton@khirnov.net>
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According to the ReplayGain spec, the peak amplitude may overflow and may result
in peak amplitude values greater than 1.0 with psychoacoustically coded audio,
such as MP3. Fully compliant decoders must allow peak overflows.
Additionally, having peak values in the 0<->UINT32_MAX scale makes it more
difficult for applications to actually use the peak values (e.g. when
implementing clipping prevention) since values have to be rescaled down.
This patch corrects the peak parsing by removing the rescaling of the decoded
values between 0 and UINT32_MAX and the 1.0 upper limit.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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The gain sign was incorrectly decoded: since the FFSIGN() macro treats 0 as
negative, gain values starting with "0." were always decoded as negative.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* commit '5a7e35dd2351c30bab45177b9482cb8833a0ca78':
Add replaygain side data type and code for parsing replaygain tags.
Conflicts:
libavcodec/avcodec.h
libavcodec/version.h
libavutil/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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