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https://github.com/servalproject/serval-dna.git
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75 lines
1.6 KiB
C
75 lines
1.6 KiB
C
/*
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Copyright (C) 2012 Paul Gardner-Stephen
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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 "serval.h"
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#define AUDIO_MSM_G1_ETC 1
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#define AUDIO_MSM_N1_ETC 2
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monitor_audio *audev=NULL;
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int playFd=-1;
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int recordFd=-1;
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int playBufferSize=0;
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int recordBufferSize=0;
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int detectAudioDevice()
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{
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if (!audev) audev=audio_msm_g1_detect();
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if (!audev) audev=audio_alsa_detect();
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if (audev) {
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WHYF("Detected audio device '%s'",audev->name);
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return 0;
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}
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return -1;
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}
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int getAudioPlayFd()
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{
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return playFd;
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}
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int getAudioRecordFd()
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{
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return recordFd;
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}
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/* read some audio, but not more than bufferSize-offset bytes.
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*/
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int getAudioBytes(unsigned char *buffer,
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int offset,
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int bufferSize)
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{
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if (audev&&audev->write) {
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return audev->write(&buffer[offset],bufferSize-offset);
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}
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return -1;
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}
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int stopAudio()
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{
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if (audev&&audev->stop) return audev->stop();
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return -1;
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}
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int startAudio()
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{
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if (audev&&audev->start) return audev->start();
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return -1;
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}
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