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improve calibrator. First tone frequency changed because it triggered false detection due to harmonics.

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This commit is contained in:
Simon Morlat 2012-10-11 01:44:14 +02:00
parent b8537ffbd3
commit 981faabdb4
2 changed files with 28 additions and 17 deletions
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42
coreapi/ec-calibrator.c
View file

@ -36,41 +36,50 @@ 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);
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);
ecc->det=ms_filter_new(MS_TONE_DETECTOR_ID);
ms_filter_call_method(ecc->det,MS_FILTER_SET_SAMPLE_RATE,&ecc->rate);
ecc->rec=ms_filter_new(MS_FILE_REC_ID);
ms_filter_link(ecc->sndread,0,ecc->det,0);
ms_filter_link(ecc->sndread,0,ecc->read_resampler,0);
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->gen=ms_filter_new(MS_DTMF_GEN_ID);
ms_filter_call_method(ecc->gen,MS_FILTER_SET_SAMPLE_RATE,&ecc->rate);
ecc->resampler=ms_filter_new(MS_RESAMPLE_ID);
ecc->write_resampler=ms_filter_new(MS_RESAMPLE_ID);
ecc->sndwrite=ms_snd_card_create_writer(ecc->capt_card);
ms_filter_link(ecc->play,0,ecc->gen,0);
ms_filter_link(ecc->gen,0,ecc->resampler,0);
ms_filter_link(ecc->resampler,0,ecc->sndwrite,0);
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->resampler,MS_FILTER_SET_SAMPLE_RATE,&ecc->rate);
ms_filter_call_method(ecc->resampler,MS_FILTER_SET_OUTPUT_SAMPLE_RATE,&rate);
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_link(ecc->play,0,ecc->gen,0);
ms_filter_link(ecc->gen,0,ecc->write_resampler,0);
ms_filter_link(ecc->write_resampler,0,ecc->sndwrite,0);
ms_ticker_attach(ecc->ticker,ecc->play);
ms_ticker_attach(ecc->ticker,ecc->sndread);
ms_ticker_attach(ecc->ticker,ecc->play);
}
static void ecc_deinit_filters(EcCalibrator *ecc){
ms_ticker_detach(ecc->ticker,ecc->play);
ms_ticker_detach(ecc->ticker,ecc->sndread);
ms_ticker_detach(ecc->ticker,ecc->play);
ms_filter_unlink(ecc->play,0,ecc->gen,0);
ms_filter_unlink(ecc->gen,0,ecc->resampler,0);
ms_filter_unlink(ecc->resampler,0,ecc->sndwrite,0);
ms_filter_unlink(ecc->gen,0,ecc->write_resampler,0);
ms_filter_unlink(ecc->write_resampler,0,ecc->sndwrite,0);
ms_filter_unlink(ecc->sndread,0,ecc->det,0);
ms_filter_unlink(ecc->sndread,0,ecc->read_resampler,0);
ms_filter_unlink(ecc->read_resampler,0,ecc->det,0);
ms_filter_unlink(ecc->det,0,ecc->rec,0);
ms_filter_destroy(ecc->sndread);
@ -78,7 +87,8 @@ static void ecc_deinit_filters(EcCalibrator *ecc){
ms_filter_destroy(ecc->rec);
ms_filter_destroy(ecc->play);
ms_filter_destroy(ecc->gen);
ms_filter_destroy(ecc->resampler);
ms_filter_destroy(ecc->read_resampler);
ms_filter_destroy(ecc->write_resampler);
ms_filter_destroy(ecc->sndwrite);
ms_ticker_destroy(ecc->ticker);
@ -113,7 +123,7 @@ static void ecc_play_tones(EcCalibrator *ecc){
ms_filter_call_method (ecc->det,MS_TONE_DETECTOR_ADD_SCAN,&expected_tone);
tone.frequency=1000;
tone.frequency=1300;
tone.duration=1000;
tone.amplitude=1.0;

3
coreapi/private.h
View file

@ -592,7 +592,8 @@ struct _EcCalibrator{
ms_thread_t thread;
MSSndCard *play_card,*capt_card;
MSFilter *sndread,*det,*rec;
MSFilter *play, *gen, *sndwrite,*resampler;
MSFilter *play, *gen, *sndwrite;
MSFilter *read_resampler,*write_resampler;
MSTicker *ticker;
LinphoneEcCalibrationCallback cb;
void *cb_data;