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resampler: Move the fix method logic into a separate function

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This commit is contained in:
poljar (Damir Jelić) 2013-06-26 13:51:55 +02:00
parent 97feeab40c
commit 2d9aba0946
1 changed files with 32 additions and 18 deletions
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50
src/pulsecore/resampler.c
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@ -192,28 +192,18 @@ static int (* const init_table[])(pa_resampler*r) = {
[PA_RESAMPLER_PEAKS] = peaks_init,
};
pa_resampler* pa_resampler_new(
pa_mempool *pool,
const pa_sample_spec *a,
const pa_channel_map *am,
const pa_sample_spec *b,
const pa_channel_map *bm,
pa_resample_method_t method,
pa_resample_flags_t flags) {
static pa_resample_method_t pa_resampler_fix_method(
pa_resample_flags_t flags,
pa_resample_method_t method,
const uint32_t rate_a,
const uint32_t rate_b) {
pa_resampler *r = NULL;
pa_assert(pool);
pa_assert(a);
pa_assert(b);
pa_assert(pa_sample_spec_valid(a));
pa_assert(pa_sample_spec_valid(b));
pa_assert(rate_a > 0 && rate_a <= PA_RATE_MAX);
pa_assert(rate_b > 0 && rate_b <= PA_RATE_MAX);
pa_assert(method >= 0);
pa_assert(method < PA_RESAMPLER_MAX);
/* Fix method */
if (!(flags & PA_RESAMPLER_VARIABLE_RATE) && a->rate == b->rate) {
if (!(flags & PA_RESAMPLER_VARIABLE_RATE) && rate_a == rate_b) {
pa_log_info("Forcing resampler 'copy', because of fixed, identical sample rates.");
method = PA_RESAMPLER_COPY;
}
@ -244,6 +234,30 @@ pa_resampler* pa_resampler_new(
#endif
}
return method;
}
pa_resampler* pa_resampler_new(
pa_mempool *pool,
const pa_sample_spec *a,
const pa_channel_map *am,
const pa_sample_spec *b,
const pa_channel_map *bm,
pa_resample_method_t method,
pa_resample_flags_t flags) {
pa_resampler *r = NULL;
pa_assert(pool);
pa_assert(a);
pa_assert(b);
pa_assert(pa_sample_spec_valid(a));
pa_assert(pa_sample_spec_valid(b));
pa_assert(method >= 0);
pa_assert(method < PA_RESAMPLER_MAX);
method = pa_resampler_fix_method(flags, method, a->rate, b->rate);
r = pa_xnew0(pa_resampler, 1);
r->mempool = pool;
r->method = method;