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optimize mixing code a bit. Add mixers for S32LE, S32BE, ULAW, ALAW and FLOAT32BE. Add volume adjusters for FLOAT32BE, ALAW, ULAW.

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@2041 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-11-09 17:11:45 +00:00
parent c1985c2acc
commit b0a68fd09f
4 changed files with 734 additions and 120 deletions
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11
src/pulsecore/sample-util.h
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@ -39,7 +39,14 @@ typedef struct pa_mix_info {
pa_memchunk chunk;
pa_cvolume volume;
void *userdata;
void *internal; /* Used internally by pa_mix(), should not be initialised when calling pa_mix() */
/* The following fields are used internally by pa_mix(), should
* not be initialised by the caller of pa_mix(). */
void *ptr;
union {
int32_t i;
float f;
} linear[PA_CHANNELS_MAX];
} pa_mix_info;
size_t pa_mix(
@ -49,7 +56,7 @@ size_t pa_mix(
size_t length,
const pa_sample_spec *spec,
const pa_cvolume *volume,
int mute);
pa_bool_t mute);
void pa_volume_memchunk(
pa_memchunk*c,