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lfe-filter: change the crossover frequency as a parameter

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Add a user defined parameter lfe-crossover-freq for the lfe-filter,
to pass this parameter to the lfe-filter, we need to change the
pa_resampler_new() API as well.

Signed-off-by: Hui Wang <hui.wang@canonical.com>
This commit is contained in:
Hui Wang 2015-03-24 10:29:16 +01:00 • committed by David Henningsson
parent 3538e6636e
commit c36e191ce5
14 changed files with 28 additions and 8 deletions
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6
src/pulsecore/resampler.c
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@ -320,6 +320,7 @@ pa_resampler* pa_resampler_new(
const pa_channel_map *am,
const pa_sample_spec *b,
const pa_channel_map *bm,
unsigned crossover_freq,
pa_resample_method_t method,
pa_resample_flags_t flags) {
@ -418,9 +419,8 @@ pa_resampler* pa_resampler_new(
if (lfe_filter_required) {
pa_sample_spec wss = r->o_ss;
wss.format = r->work_format;
/* TODO: Temporary code that sets crossover freq to 120 Hz. This should be a parameter */
r->lfe_filter = pa_lfe_filter_new(&wss, &r->o_cm, 120.0f);
pa_log_debug(" lfe filter activated (LR4 type)");
r->lfe_filter = pa_lfe_filter_new(&wss, &r->o_cm, (float)crossover_freq);
pa_log_debug(" lfe filter activated (LR4 type), the crossover_freq = %uHz", crossover_freq);
}
/* initialize implementation */