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mix: Export function to get/set mixing implementation for a sample format

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Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
This commit is contained in:
Peter Meerwald 2013-02-13 17:27:03 +01:00 • committed by Tanu Kaskinen
parent fe455ae013
commit 9fa000bbfc
2 changed files with 19 additions and 2 deletions
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16
src/pulsecore/mix.c
View file

@ -534,8 +534,6 @@ static void pa_mix_float32re_c(pa_mix_info streams[], unsigned nstreams, unsigne
} }
} }
typedef void (*pa_do_mix_func_t) (pa_mix_info streams[], unsigned nstreams, unsigned channels, void *data, void *end);
static pa_do_mix_func_t do_mix_table[] = { static pa_do_mix_func_t do_mix_table[] = {
[PA_SAMPLE_U8] = (pa_do_mix_func_t) pa_mix_u8_c, [PA_SAMPLE_U8] = (pa_do_mix_func_t) pa_mix_u8_c,
[PA_SAMPLE_ALAW] = (pa_do_mix_func_t) pa_mix_alaw_c, [PA_SAMPLE_ALAW] = (pa_do_mix_func_t) pa_mix_alaw_c,
@ -597,6 +595,20 @@ size_t pa_mix(
return length; return length;
} }
pa_do_mix_func_t pa_get_mix_func(pa_sample_format_t f) {
pa_assert(f >= 0);
pa_assert(f < PA_SAMPLE_MAX);
return do_mix_table[f];
}
void pa_set_mix_func(pa_sample_format_t f, pa_do_mix_func_t func) {
pa_assert(f >= 0);
pa_assert(f < PA_SAMPLE_MAX);
do_mix_table[f] = func;
}
typedef union { typedef union {
float f; float f;
uint32_t i; uint32_t i;

5
src/pulsecore/mix.h
View file

@ -51,6 +51,11 @@ size_t pa_mix(
const pa_cvolume *volume, const pa_cvolume *volume,
pa_bool_t mute); pa_bool_t mute);
typedef void (*pa_do_mix_func_t) (pa_mix_info streams[], unsigned nstreams, unsigned channels, void *data, void *end);
pa_do_mix_func_t pa_get_mix_func(pa_sample_format_t f);
void pa_set_mix_func(pa_sample_format_t f, pa_do_mix_func_t func);
void pa_volume_memchunk( void pa_volume_memchunk(
pa_memchunk*c, pa_memchunk*c,
const pa_sample_spec *spec, const pa_sample_spec *spec,