diff options
| author | Andreas Eversberg <jolly@eversberg.eu> | 2019-10-27 07:03:23 +0100 |
|---|---|---|
| committer | Andreas Eversberg <jolly@eversberg.eu> | 2019-11-29 15:58:32 +0100 |
| commit | 23bb88ef6e2bdefd76e61afc4805e3fd92860ea4 (patch) | |
| tree | be451e408a46bc95813a1f9e40b1cbe17e2ce642 | |
| parent | 2fde5025afe53841a09fbb0dff242245430f7019 (diff) | |
Describe if audio device exists, but does not support both directions
| -rw-r--r-- | src/libmobile/sender.c | 2 | ||||
| -rw-r--r-- | src/libsound/sound_alsa.c | 21 |
2 files changed, 14 insertions, 9 deletions
diff --git a/src/libmobile/sender.c b/src/libmobile/sender.c index 2d88eaa..fe2951f 100644 --- a/src/libmobile/sender.c +++ b/src/libmobile/sender.c @@ -222,7 +222,7 @@ int sender_open_audio(int latspl) /* open device */ master->audio = master->audio_open(master->audiodev, tx_f, rx_f, channels, paging_frequency, master->samplerate, latspl, master->max_deviation, master->max_modulation); if (!master->audio) { - PDEBUG(DSENDER, DEBUG_ERROR, "No audio device!\n"); + PDEBUG(DSENDER, DEBUG_ERROR, "No device for transceiver!\n"); return -EIO; } } diff --git a/src/libsound/sound_alsa.c b/src/libsound/sound_alsa.c index 5b5e4eb..dc1dfcd 100644 --- a/src/libsound/sound_alsa.c +++ b/src/libsound/sound_alsa.c @@ -134,7 +134,7 @@ static int sound_prepare(sound_t *sound) 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) { sound_t *sound; - int rc; + int rc, rc_rec, rc_play; if (channels < 1 || channels > 2) { PDEBUG(DSOUND, DEBUG_ERROR, "Cannot use more than two channels with the same sound card!\n"); @@ -150,15 +150,20 @@ void *sound_open(const char *audiodev, double __attribute__((unused)) *tx_freque sound->spl_deviation = max_deviation / 32767.0; sound->paging_phaseshift = 1.0 / ((double)samplerate / 1000.0); - rc = snd_pcm_open(&sound->phandle, audiodev, SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK); - if (rc < 0) { - PDEBUG(DSOUND, DEBUG_ERROR, "Failed to open '%s' for playback! (%s)\n", audiodev, snd_strerror(rc)); + rc_play = snd_pcm_open(&sound->phandle, audiodev, SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK); + rc_rec = snd_pcm_open(&sound->chandle, audiodev, SND_PCM_STREAM_CAPTURE, SND_PCM_NONBLOCK); + if (rc_play < 0 && rc_rec < 0) { + PDEBUG(DSOUND, DEBUG_ERROR, "Failed to open '%s'! (%s)\n", audiodev, snd_strerror(rc_play)); + PDEBUG(DSOUND, DEBUG_ERROR, "Run 'aplay -l' to get a list of available cards and devices.\n"); + PDEBUG(DSOUND, DEBUG_ERROR, "Then use 'hw:<card>:<device>' for audio device.\n"); goto error; } - - rc = snd_pcm_open(&sound->chandle, audiodev, SND_PCM_STREAM_CAPTURE, SND_PCM_NONBLOCK); - if (rc < 0) { - PDEBUG(DSOUND, DEBUG_ERROR, "Failed to open '%s' for capture! (%s)\n", audiodev, snd_strerror(rc)); + if (rc_play < 0) { + 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)); + goto error; + } + if (rc_rec < 0) { + 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)); goto error; } |