libavfilter/af_aconvert_rematrix.c File Reference

audio rematrixing functions, based on functions from libavcodec/resample.c More...

Go to the source code of this file.

Defines
#define	DIV2   >>1
Functions
	REMATRIX_FUNC_SIG (stereo_to_mono_packed)
	REMATRIX_FUNC_SIG (stereo_downmix_packed)
	REMATRIX_FUNC_SIG (mono_to_stereo_packed)
	REMATRIX_FUNC_SIG (mono_downmix_packed)
	This is for when we have more than 2 input channels, need to downmix to mono and do not have a conversion formula available.
	REMATRIX_FUNC_SIG (mono_downmix_planar)
	REMATRIX_FUNC_SIG (stereo_to_surround_5p1_packed)
	REMATRIX_FUNC_SIG (stereo_to_surround_5p1_planar)
	REMATRIX_FUNC_SIG (surround_5p1_to_stereo_packed)
	REMATRIX_FUNC_SIG (surround_5p1_to_stereo_planar)

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Detailed Description

audio rematrixing functions, based on functions from libavcodec/resample.c

Definition in file af_aconvert_rematrix.c.

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Define Documentation

#define DIV2   >>1

Definition at line 29 of file af_aconvert_rematrix.c.

Referenced by REMATRIX_FUNC_SIG().

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Function Documentation

REMATRIX_FUNC_SIG

(

surround_5p1_to_stereo_planar

)

Definition at line 160 of file af_aconvert_rematrix.c.

REMATRIX_FUNC_SIG

(

surround_5p1_to_stereo_packed

)

Definition at line 150 of file af_aconvert_rematrix.c.

REMATRIX_FUNC_SIG

(

stereo_to_surround_5p1_planar

)

Definition at line 129 of file af_aconvert_rematrix.c.

REMATRIX_FUNC_SIG

(

stereo_to_surround_5p1_packed

)

Definition at line 115 of file af_aconvert_rematrix.c.

REMATRIX_FUNC_SIG

(

mono_downmix_planar

)

Definition at line 92 of file af_aconvert_rematrix.c.

REMATRIX_FUNC_SIG

(

mono_downmix_packed

)

This is for when we have more than 2 input channels, need to downmix to mono and do not have a conversion formula available.

We just use first two input channels - left and right. This is a placeholder until more conversion functions are written.

Definition at line 83 of file af_aconvert_rematrix.c.

REMATRIX_FUNC_SIG

(

mono_to_stereo_packed

)

Definition at line 59 of file af_aconvert_rematrix.c.

REMATRIX_FUNC_SIG

(

stereo_downmix_packed

)

Definition at line 50 of file af_aconvert_rematrix.c.

REMATRIX_FUNC_SIG

(

stereo_to_mono_packed

)

Definition at line 32 of file af_aconvert_rematrix.c.