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| author | Justin Ruggles <justin.ruggles@gmail.com> | 2015-10-28 15:38:22 +0100 |
|---|---|---|
| committer | Diego Biurrun <diego@biurrun.de> | 2016-10-01 00:46:25 +0200 |
| commit | b57e38f52cc3f31a27105c28887d57cd6812c3eb (patch) | |
| tree | e37260a47617bb608972ae3169b90feb43c270e6 /libavcodec/ac3dsp.h | |
| parent | a9ba59591ed509fb7e6decfde8da4cbfd4ddf4b8 (diff) | |
| download | ffmpeg-streaming-b57e38f52cc3f31a27105c28887d57cd6812c3eb.zip ffmpeg-streaming-b57e38f52cc3f31a27105c28887d57cd6812c3eb.tar.gz | |
ac3dsp: x86: Replace inline asm for in-decoder downmixing with standalone asm
Adds a wrapper function for downmixing which detects channel count changes
and updates the selected downmix function accordingly.
Simplification and porting to current x86inc infrastructure by Diego Biurrun.
Signed-off-by: Diego Biurrun <diego@biurrun.de>
Diffstat (limited to 'libavcodec/ac3dsp.h')
| -rw-r--r-- | libavcodec/ac3dsp.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/libavcodec/ac3dsp.h b/libavcodec/ac3dsp.h index cdce21a..c33a0be 100644 --- a/libavcodec/ac3dsp.h +++ b/libavcodec/ac3dsp.h @@ -126,8 +126,9 @@ typedef struct AC3DSPContext { void (*extract_exponents)(uint8_t *exp, int32_t *coef, int nb_coefs); - void (*downmix)(float **samples, float **matrix, int out_ch, - int in_ch, int len); + int out_channels; + int in_channels; + void (*downmix)(float **samples, float **matrix, int len); /** * Apply symmetric window in 16-bit fixed-point. @@ -148,4 +149,8 @@ void ff_ac3dsp_init (AC3DSPContext *c, int bit_exact); void ff_ac3dsp_init_arm(AC3DSPContext *c, int bit_exact); void ff_ac3dsp_init_x86(AC3DSPContext *c, int bit_exact); +void ff_ac3dsp_downmix(AC3DSPContext *c, float **samples, float **matrix, + int out_ch, int in_ch, int len); +void ff_ac3dsp_set_downmix_x86(AC3DSPContext *c); + #endif /* AVCODEC_AC3DSP_H */ |
