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echo-cancel: Pass arguments to the specific canceller module

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This allows us to tweak module parameters for whichever AEC module is
chosen.
This commit is contained in:
Arun Raghavan 2010-09-06 21:24:55 +05:30
parent e7177680d1
commit 21001f49a4
3 changed files with 53 additions and 33 deletions
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54
src/modules/echo-cancel/speex.c
View file

@ -21,11 +21,46 @@
USA.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <pulsecore/modargs.h>
#include "echo-cancel.h"
pa_bool_t pa_speex_ec_init(pa_echo_canceller *ec, pa_sample_spec ss, pa_channel_map map, uint32_t filter_size_ms, uint32_t frame_size_ms)
/* should be between 10-20 ms */
#define DEFAULT_FRAME_SIZE_MS 20
/* should be between 100-500 ms */
#define DEFAULT_FILTER_SIZE_MS 200
static const char* const valid_modargs[] = {
"frame_size_ms",
"filter_size_ms",
NULL
};
pa_bool_t pa_speex_ec_init(pa_echo_canceller *ec, pa_sample_spec ss, pa_channel_map map, const char *args)
{
int framelen, y, rate = ss.rate;
uint32_t frame_size_ms, filter_size_ms;
pa_modargs *ma;
if (!(ma = pa_modargs_new(args, valid_modargs))) {
pa_log("Failed to parse submodule arguments.");
goto fail;
}
filter_size_ms = DEFAULT_FILTER_SIZE_MS;
if (pa_modargs_get_value_u32(ma, "filter_size_ms", &filter_size_ms) < 0 || filter_size_ms < 1 || filter_size_ms > 2000) {
pa_log("Invalid filter_size_ms specification");
goto fail;
}
frame_size_ms = DEFAULT_FRAME_SIZE_MS;
if (pa_modargs_get_value_u32(ma, "frame_size_ms", &frame_size_ms) < 0 || frame_size_ms < 1 || frame_size_ms > 200) {
pa_log("Invalid frame_size_ms specification");
goto fail;
}
framelen = (rate * frame_size_ms) / 1000;
/* framelen should be a power of 2, round down to nearest power of two */
@ -40,11 +75,18 @@ pa_bool_t pa_speex_ec_init(pa_echo_canceller *ec, pa_sample_spec ss, pa_channel_
ec->params.priv.speex.state = speex_echo_state_init_mc (framelen, (rate * filter_size_ms) / 1000, ss.channels, ss.channels);
if (ec->params.priv.speex.state) {
speex_echo_ctl(ec->params.priv.speex.state, SPEEX_ECHO_SET_SAMPLING_RATE, &rate);
return TRUE;
} else
return FALSE;
if (!ec->params.priv.speex.state)
goto fail;
speex_echo_ctl(ec->params.priv.speex.state, SPEEX_ECHO_SET_SAMPLING_RATE, &rate);
pa_modargs_free(ma);
return TRUE;
fail:
if (ma)
pa_modargs_free(ma);
return FALSE;
}
void pa_speex_ec_run(pa_echo_canceller *ec, uint8_t *rec, uint8_t *play, uint8_t *out)