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A lot of more work to get the lock-free stuff in place

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/lennart@1474 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-06-13 22:08:14 +00:00
parent 69115687ad
commit be4a882836
33 changed files with 908 additions and 694 deletions
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39
src/pulsecore/resampler.c
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@ -48,6 +48,7 @@ struct pa_resampler {
void (*impl_free)(pa_resampler *r);
void (*impl_update_input_rate)(pa_resampler *r, uint32_t rate);
void (*impl_update_output_rate)(pa_resampler *r, uint32_t rate);
void (*impl_run)(pa_resampler *r, const pa_memchunk *in, pa_memchunk *out);
void *impl_data;
};
@ -165,6 +166,19 @@ void pa_resampler_set_input_rate(pa_resampler *r, uint32_t rate) {
r->impl_update_input_rate(r, rate);
}
void pa_resampler_set_output_rate(pa_resampler *r, uint32_t rate) {
assert(r);
assert(rate > 0);
if (r->o_ss.rate == rate)
return;
r->o_ss.rate = rate;
if (r->impl_update_output_rate)
r->impl_update_output_rate(r, rate);
}
void pa_resampler_run(pa_resampler *r, const pa_memchunk *in, pa_memchunk *out) {
assert(r && in && out && r->impl_run);
@ -512,6 +526,25 @@ static void libsamplerate_update_input_rate(pa_resampler *r, uint32_t rate) {
}
}
static void libsamplerate_update_output_rate(pa_resampler *r, uint32_t rate) {
struct impl_libsamplerate *u;
assert(r);
assert(rate > 0);
assert(r->impl_data);
u = r->impl_data;
if (!u->src_state) {
int err;
u->src_state = src_new(r->resample_method, r->o_ss.channels, &err);
assert(u->src_state);
} else {
int ret = src_set_ratio(u->src_state, (double) rate / r->i_ss.rate);
assert(ret == 0);
}
}
static int libsamplerate_init(pa_resampler *r) {
struct impl_libsamplerate *u = NULL;
int err;
@ -541,6 +574,7 @@ static int libsamplerate_init(pa_resampler *r) {
r->impl_free = libsamplerate_free;
r->impl_update_input_rate = libsamplerate_update_input_rate;
r->impl_update_output_rate = libsamplerate_update_output_rate;
r->impl_run = libsamplerate_run;
calc_map_table(r);
@ -631,7 +665,7 @@ static void trivial_free(pa_resampler *r) {
pa_xfree(r->impl_data);
}
static void trivial_update_input_rate(pa_resampler *r, uint32_t rate) {
static void trivial_update_rate(pa_resampler *r, uint32_t rate) {
struct impl_trivial *u;
assert(r);
@ -655,7 +689,8 @@ static int trivial_init(pa_resampler*r) {
r->impl_run = trivial_run;
r->impl_free = trivial_free;
r->impl_update_input_rate = trivial_update_input_rate;
r->impl_update_input_rate = trivial_update_rate;
r->impl_update_output_rate = trivial_update_rate;
return 0;
}