mirror of
https://gitlab.linphone.org/BC/public/linphone-iphone.git
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105 lines
3.3 KiB
C
105 lines
3.3 KiB
C
/*
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linphone
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Copyright (C) 2016 Belledonne Communications SARL
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Author: Erwan CROZE (erwan.croze@belledonne-communications.com)
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "private.h"
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#include "mediastreamer2/msfilter.h"
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#include "mediastreamer2/mssndcard.h"
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#include "mediastreamer2/msticker.h"
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#include <ortp/ortp.h>
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EchoTester* ec_tester_new(MSFactory *factory, MSSndCard *capture_card, MSSndCard *playback_card, unsigned int rate) {
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EchoTester *ect = ms_new0(EchoTester,1);
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ect->factory = factory;
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ect->capture_card = capture_card;
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ect->playback_card = playback_card;
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ect->rate = rate;
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return ect;
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}
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static void ect_init_filters(EchoTester *ect) {
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unsigned int rate;
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int channels = 1;
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int ect_channels = 1;
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MSTickerParams params;
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memset(¶ms, 0, sizeof(params));
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params.name="Echo tester";
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params.prio=MS_TICKER_PRIO_HIGH;
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ect->ticker=ms_ticker_new_with_params(¶ms);
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ect->in = ms_snd_card_create_reader(ect->capture_card);
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ect->out = ms_snd_card_create_writer(ect->playback_card);
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ms_filter_call_method(ect->in,MS_FILTER_SET_SAMPLE_RATE,&ect->rate);
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ms_filter_call_method(ect->in,MS_FILTER_GET_SAMPLE_RATE,&rate);
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ms_filter_call_method(ect->in,MS_FILTER_SET_NCHANNELS,&ect_channels);
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ms_filter_call_method(ect->in,MS_FILTER_GET_NCHANNELS,&channels);
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ms_filter_call_method(ect->out,MS_FILTER_SET_SAMPLE_RATE,&ect->rate);
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ms_filter_call_method(ect->out,MS_FILTER_SET_OUTPUT_SAMPLE_RATE,&rate);
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ms_filter_call_method(ect->out,MS_FILTER_SET_NCHANNELS,&ect_channels);
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ms_filter_call_method(ect->out,MS_FILTER_SET_OUTPUT_NCHANNELS,&channels);
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ms_filter_link(ect->in,0,ect->out,0);
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ms_ticker_attach(ect->ticker,ect->in);
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ms_ticker_attach(ect->ticker,ect->out);
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}
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static void ect_uninit_filters(EchoTester *ect) {
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ms_ticker_detach(ect->ticker,ect->in);
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ms_ticker_detach(ect->ticker,ect->out);
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ms_filter_unlink(ect->in,0,ect->out,0);
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ms_filter_destroy(ect->in);
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ms_filter_destroy(ect->out);
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ms_ticker_destroy(ect->ticker);
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}
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void ec_tester_destroy(EchoTester *ect) {
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ms_free(ect);
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}
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LinphoneStatus linphone_core_start_echo_tester(LinphoneCore *lc, unsigned int rate) {
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if (lc->ect != NULL) {
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ms_error("Echo tester is still on going !");
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return -1;
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}
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lc->ect = ec_tester_new(lc->factory, lc->sound_conf.capt_sndcard
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,lc->sound_conf.play_sndcard, rate);
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ect_init_filters(lc->ect);
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return 1;
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}
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LinphoneStatus linphone_core_stop_echo_tester(LinphoneCore *lc) {
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if (lc->ect == NULL) {
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ms_error("Echo tester is not running !");
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return -1;
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}
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ect_uninit_filters(lc->ect);
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ec_tester_destroy(lc->ect);
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lc->ect = NULL;
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return 1;
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}
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