mirror of
https://gitlab.linphone.org/BC/public/linphone-desktop.git
synced 2026-01-17 19:38:09 +00:00
139 lines
3.9 KiB
C++
139 lines
3.9 KiB
C++
/*
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* Copyright (c) 2010-2020 Belledonne Communications SARL.
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*
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* This file is part of linphone-desktop
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* (see https://www.linphone.org).
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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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, see <http://www.gnu.org/licenses/>.
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*/
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#include <linphone/linphonecore.h>
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#include "mediastreamer2/msvolume.h"
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#include "mediastreamer2/mssndcard.h"
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#include "mediastreamer2/msticker.h"
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#include "components/core/CoreManager.hpp"
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#include "MediastreamerUtils.hpp"
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using namespace MediastreamerUtils;
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SimpleCaptureGraph::SimpleCaptureGraph(const std::string &capture, const std::string &playback)
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: captureCardId(capture), playbackCardId(playback)
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{
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LinphoneCore *ccore = CoreManager::getInstance()->getCore()->cPtr();
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msFactory = linphone_core_get_ms_factory(ccore);
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playbackCard = ms_snd_card_manager_get_card(ms_factory_get_snd_card_manager(msFactory), playbackCardId.c_str());
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captureCard = ms_snd_card_manager_get_card(ms_factory_get_snd_card_manager(msFactory), captureCardId.c_str());
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init();
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}
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SimpleCaptureGraph::~SimpleCaptureGraph()
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{
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destroy();
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}
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void SimpleCaptureGraph::init() {
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if (!audioCapture) {
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audioCapture = ms_snd_card_create_reader(captureCard);
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}
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if (!audioSink) {
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audioSink = ms_snd_card_create_writer(playbackCard);
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}
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if (!captureVolumeFilter) {
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captureVolumeFilter = ms_factory_create_filter(msFactory, MS_VOLUME_ID);
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}
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if (!playbackVolumeFilter) {
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playbackVolumeFilter = ms_factory_create_filter(msFactory, MS_VOLUME_ID);
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}
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ms_filter_link(audioCapture, 0, captureVolumeFilter, 0);
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ms_filter_link(captureVolumeFilter, 0, playbackVolumeFilter, 0);
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ms_filter_link(playbackVolumeFilter, 0, audioSink, 0);
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//Mute playback
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float muteGain = 0.0f;
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ms_filter_call_method(playbackVolumeFilter, static_cast<unsigned int>(MS_VOLUME_SET_GAIN), &muteGain);
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ticker = ms_ticker_new();
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running = false;
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}
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void SimpleCaptureGraph::start() {
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if (!running) {
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ms_ticker_attach(ticker, audioCapture);
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running = true;
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}
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}
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void SimpleCaptureGraph::stop() {
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if (running) {
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ms_ticker_detach(ticker, audioCapture);
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running = false;
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}
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}
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void SimpleCaptureGraph::destroy() {
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if (running) {
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stop();
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}
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ms_ticker_destroy(ticker);
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ms_filter_unlink(audioCapture, 0, captureVolumeFilter, 0);
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ms_filter_unlink(captureVolumeFilter, 0, playbackVolumeFilter, 0);
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ms_filter_unlink(playbackVolumeFilter, 0, audioSink, 0);
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ms_free(audioCapture);
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ms_free(captureVolumeFilter);
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ms_free(audioSink);
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ms_free(playbackVolumeFilter);
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}
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float SimpleCaptureGraph::getCaptureGain() {
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float gain = 0.0f;
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if (isRunning() && audioCapture) {
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ms_filter_call_method(audioCapture, MS_AUDIO_CAPTURE_GET_VOLUME_GAIN, &gain);
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}
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return gain;
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}
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void SimpleCaptureGraph::setCaptureGain(float gain) {
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if (isRunning() && audioCapture) {
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ms_filter_call_method(audioCapture, MS_AUDIO_CAPTURE_SET_VOLUME_GAIN, &gain);
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}
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}
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float SimpleCaptureGraph::getPlaybackGain() {
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float gain = 0.0f;
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if (isRunning() && audioSink) {
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ms_filter_call_method(audioSink, MS_AUDIO_PLAYBACK_GET_VOLUME_GAIN, &gain);
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}
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return gain;
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}
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void SimpleCaptureGraph::setPlaybackGain(float gain) {
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if (isRunning() && audioSink) {
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ms_filter_call_method(audioSink, MS_AUDIO_PLAYBACK_SET_VOLUME_GAIN, &gain);
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}
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}
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float SimpleCaptureGraph::getCaptureVolume() {
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float vol = 0;
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if (captureVolumeFilter) {
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ms_filter_call_method(captureVolumeFilter, MS_VOLUME_GET, &vol);
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vol = MediastreamerUtils::dbToLinear(vol);
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}
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return vol;
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}
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