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core: Move pa_mix() into new file mix.c

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idea is to allow optimized code path (similar to volume code)
and rework/specialize mixing cases to enable runtime performance improvements

no functionality changes in this patch

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
This commit is contained in:
Peter Meerwald 2013-02-13 17:26:59 +01:00 • committed by Tanu Kaskinen
parent bc8b6eaf95
commit 95b64804ab
12 changed files with 746 additions and 675 deletions
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28
src/pulsecore/sample-util.h
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@ -44,34 +44,6 @@ pa_memblock* pa_silence_memblock(pa_memblock *b, const pa_sample_spec *spec);
pa_memchunk* pa_silence_memchunk_get(pa_silence_cache *cache, pa_mempool *pool, pa_memchunk* ret, const pa_sample_spec *spec, size_t length);
typedef struct pa_mix_info {
pa_memchunk chunk;
pa_cvolume volume;
void *userdata;
/* 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(
pa_mix_info channels[],
unsigned nchannels,
void *data,
size_t length,
const pa_sample_spec *spec,
const pa_cvolume *volume,
pa_bool_t mute);
void pa_volume_memchunk(
pa_memchunk*c,
const pa_sample_spec *spec,
const pa_cvolume *volume);
size_t pa_frame_align(size_t l, const pa_sample_spec *ss) PA_GCC_PURE;
pa_bool_t pa_frame_aligned(size_t l, const pa_sample_spec *ss) PA_GCC_PURE;