Describe if audio device exists, but does not support both directions
parent
2fde5025af
commit
23bb88ef6e
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@ -222,7 +222,7 @@ int sender_open_audio(int latspl)
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/* open device */
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master->audio = master->audio_open(master->audiodev, tx_f, rx_f, channels, paging_frequency, master->samplerate, latspl, master->max_deviation, master->max_modulation);
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if (!master->audio) {
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PDEBUG(DSENDER, DEBUG_ERROR, "No audio device!\n");
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PDEBUG(DSENDER, DEBUG_ERROR, "No device for transceiver!\n");
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return -EIO;
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}
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}
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@ -134,7 +134,7 @@ static int sound_prepare(sound_t *sound)
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void *sound_open(const char *audiodev, double __attribute__((unused)) *tx_frequency, double __attribute__((unused)) *rx_frequency, int channels, double __attribute__((unused)) paging_frequency, int samplerate, int __attribute((unused)) latspl, double max_deviation, double __attribute__((unused)) max_modulation)
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{
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sound_t *sound;
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int rc;
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int rc, rc_rec, rc_play;
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if (channels < 1 || channels > 2) {
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PDEBUG(DSOUND, DEBUG_ERROR, "Cannot use more than two channels with the same sound card!\n");
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@ -150,15 +150,20 @@ void *sound_open(const char *audiodev, double __attribute__((unused)) *tx_freque
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sound->spl_deviation = max_deviation / 32767.0;
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sound->paging_phaseshift = 1.0 / ((double)samplerate / 1000.0);
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rc = snd_pcm_open(&sound->phandle, audiodev, SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK);
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if (rc < 0) {
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PDEBUG(DSOUND, DEBUG_ERROR, "Failed to open '%s' for playback! (%s)\n", audiodev, snd_strerror(rc));
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rc_play = snd_pcm_open(&sound->phandle, audiodev, SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK);
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rc_rec = snd_pcm_open(&sound->chandle, audiodev, SND_PCM_STREAM_CAPTURE, SND_PCM_NONBLOCK);
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if (rc_play < 0 && rc_rec < 0) {
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PDEBUG(DSOUND, DEBUG_ERROR, "Failed to open '%s'! (%s)\n", audiodev, snd_strerror(rc_play));
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PDEBUG(DSOUND, DEBUG_ERROR, "Run 'aplay -l' to get a list of available cards and devices.\n");
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PDEBUG(DSOUND, DEBUG_ERROR, "Then use 'hw:<card>:<device>' for audio device.\n");
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goto error;
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}
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rc = snd_pcm_open(&sound->chandle, audiodev, SND_PCM_STREAM_CAPTURE, SND_PCM_NONBLOCK);
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if (rc < 0) {
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PDEBUG(DSOUND, DEBUG_ERROR, "Failed to open '%s' for capture! (%s)\n", audiodev, snd_strerror(rc));
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if (rc_play < 0) {
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PDEBUG(DSOUND, DEBUG_ERROR, "Failed to open '%s' for playback! (%s) Please select a device that supports both direction audio.\n", audiodev, snd_strerror(rc_play));
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goto error;
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}
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if (rc_rec < 0) {
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PDEBUG(DSOUND, DEBUG_ERROR, "Failed to open '%s' for capture! (%s) Please select a device that supports both direction audio.\n", audiodev, snd_strerror(rc_rec));
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goto error;
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}
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