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Improve echo canceller calibrator.

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- Use the void source filter instead of the file player.
- Handle the number of channels.
This commit is contained in:
Ghislain MARY 2013-04-23 09:17:36 +02:00
parent 1d4f910cff
commit 91310ca98f
1 changed files with 11 additions and 1 deletions
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12
coreapi/ec-calibrator.c
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@ -29,6 +29,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
static void ecc_init_filters(EcCalibrator *ecc){
unsigned int rate;
int channels = 1;
int ecc_channels = 1;
MSTickerParams params={0};
params.name="Echo calibrator";
params.prio=MS_TICKER_PRIO_HIGH;
@ -37,9 +39,13 @@ static void ecc_init_filters(EcCalibrator *ecc){
ecc->sndread=ms_snd_card_create_reader(ecc->play_card);
ms_filter_call_method(ecc->sndread,MS_FILTER_SET_SAMPLE_RATE,&ecc->rate);
ms_filter_call_method(ecc->sndread,MS_FILTER_GET_SAMPLE_RATE,&rate);
ms_filter_call_method(ecc->sndread,MS_FILTER_SET_NCHANNELS,&ecc_channels);
ms_filter_call_method(ecc->sndread,MS_FILTER_GET_NCHANNELS,&channels);
ecc->read_resampler=ms_filter_new(MS_RESAMPLE_ID);
ms_filter_call_method(ecc->read_resampler,MS_FILTER_SET_SAMPLE_RATE,&rate);
ms_filter_call_method(ecc->read_resampler,MS_FILTER_SET_OUTPUT_SAMPLE_RATE,&ecc->rate);
ms_filter_call_method(ecc->read_resampler,MS_FILTER_SET_NCHANNELS,&ecc_channels);
ms_filter_call_method(ecc->read_resampler,MS_FILTER_SET_OUTPUT_NCHANNELS,&channels);
ecc->det=ms_filter_new(MS_TONE_DETECTOR_ID);
@ -50,7 +56,7 @@ static void ecc_init_filters(EcCalibrator *ecc){
ms_filter_link(ecc->read_resampler,0,ecc->det,0);
ms_filter_link(ecc->det,0,ecc->rec,0);
ecc->play=ms_filter_new(MS_FILE_PLAYER_ID);
ecc->play=ms_filter_new(MS_VOID_SOURCE_ID);
ecc->gen=ms_filter_new(MS_DTMF_GEN_ID);
ms_filter_call_method(ecc->gen,MS_FILTER_SET_SAMPLE_RATE,&ecc->rate);
ecc->write_resampler=ms_filter_new(MS_RESAMPLE_ID);
@ -58,8 +64,12 @@ static void ecc_init_filters(EcCalibrator *ecc){
ms_filter_call_method(ecc->sndwrite,MS_FILTER_SET_SAMPLE_RATE,&ecc->rate);
ms_filter_call_method(ecc->sndwrite,MS_FILTER_GET_SAMPLE_RATE,&rate);
ms_filter_call_method(ecc->sndwrite,MS_FILTER_SET_NCHANNELS,&ecc_channels);
ms_filter_call_method(ecc->sndwrite,MS_FILTER_GET_NCHANNELS,&channels);
ms_filter_call_method(ecc->write_resampler,MS_FILTER_SET_SAMPLE_RATE,&ecc->rate);
ms_filter_call_method(ecc->write_resampler,MS_FILTER_SET_OUTPUT_SAMPLE_RATE,&rate);
ms_filter_call_method(ecc->write_resampler,MS_FILTER_SET_NCHANNELS,&ecc_channels);
ms_filter_call_method(ecc->write_resampler,MS_FILTER_SET_OUTPUT_NCHANNELS,&channels);
ms_filter_link(ecc->play,0,ecc->gen,0);
ms_filter_link(ecc->gen,0,ecc->write_resampler,0);