diff options
Diffstat (limited to 'src/audioOutputs/audioOutput_alsa.c')
| -rw-r--r-- | src/audioOutputs/audioOutput_alsa.c | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/src/audioOutputs/audioOutput_alsa.c b/src/audioOutputs/audioOutput_alsa.c index 759ef5db4..ccde87691 100644 --- a/src/audioOutputs/audioOutput_alsa.c +++ b/src/audioOutputs/audioOutput_alsa.c @@ -119,6 +119,17 @@ static int alsa_testDefault(void) return 0; } +static snd_pcm_format_t get_bitformat(const struct audio_format *af) +{ + switch (af->bits) { + case 8: return SND_PCM_FORMAT_S8; + case 16: return SND_PCM_FORMAT_S16; + case 24: return SND_PCM_FORMAT_S24; + case 32: return SND_PCM_FORMAT_S32; + } + return SND_PCM_FORMAT_UNKNOWN; +} + static int alsa_openDevice(struct audio_output *audioOutput) { AlsaData *ad = audioOutput->data; @@ -136,24 +147,9 @@ static int alsa_openDevice(struct audio_output *audioOutput) unsigned int period_time, period_time_ro; unsigned int buffer_time; - switch (audioFormat->bits) { - case 8: - bitformat = SND_PCM_FORMAT_S8; - break; - case 16: - bitformat = SND_PCM_FORMAT_S16; - break; - case 24: - bitformat = SND_PCM_FORMAT_S24; - break; - case 32: - bitformat = SND_PCM_FORMAT_S32; - break; - default: + if ((bitformat = get_bitformat(audioFormat)) == SND_PCM_FORMAT_UNKNOWN) ERROR("ALSA device \"%s\" doesn't support %i bit audio\n", ad->device, audioFormat->bits); - return -1; - } err = snd_pcm_open(&ad->pcmHandle, ad->device, SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK); |