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echo-cancel: Make blocksize a module-wide parameter

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Since all algorithms will need to specify a block size (the amount of
data to be processed together), we make this a common parameter and have
the implementation set it at initialisation time.
This commit is contained in:
Arun Raghavan 2010-09-07 14:55:38 +05:30
parent 33a3bc34c8
commit 948a3d042c
4 changed files with 25 additions and 43 deletions
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11
src/modules/echo-cancel/speex.c
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@ -51,7 +51,7 @@ static void pa_speex_ec_fixate_spec(pa_sample_spec *source_ss, pa_channel_map *s
pa_bool_t pa_speex_ec_init(pa_echo_canceller *ec,
pa_sample_spec *source_ss, pa_channel_map *source_map,
pa_sample_spec *sink_ss, pa_channel_map *sink_map,
const char *args)
uint32_t *blocksize, const char *args)
{
int framelen, y, rate;
uint32_t frame_size_ms, filter_size_ms;
@ -84,9 +84,9 @@ pa_bool_t pa_speex_ec_init(pa_echo_canceller *ec,
y >>= 1;
framelen = y;
ec->params.priv.speex.blocksize = framelen * pa_frame_size (source_ss);
*blocksize = framelen * pa_frame_size (source_ss);
pa_log_debug ("Using framelen %d, blocksize %lld, channels %d, rate %d", framelen, (long long) ec->params.priv.speex.blocksize, source_ss->channels, source_ss->rate);
pa_log_debug ("Using framelen %d, blocksize %u, channels %d, rate %d", framelen, *blocksize, source_ss->channels, source_ss->rate);
ec->params.priv.speex.state = speex_echo_state_init_mc (framelen, (rate * filter_size_ms) / 1000, source_ss->channels, source_ss->channels);
@ -114,8 +114,3 @@ void pa_speex_ec_done(pa_echo_canceller *ec)
speex_echo_state_destroy (ec->params.priv.speex.state);
ec->params.priv.speex.state = NULL;
}
uint32_t pa_speex_ec_get_block_size(pa_echo_canceller *ec)
{
return ec->params.priv.speex.blocksize;
}