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output/openal: auto-fallback to mono if channel count is unsupported

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.. instead of failing playback completely.
This commit is contained in:
Max Kellermann
2011-10-08 14:39:40 +02:00
parent 72a1ca3b99
commit 5ed0eb51d1
2 changed files with 11 additions and 9 deletions
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18
src/output/openal_plugin.c
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@@ -64,26 +64,26 @@ openal_audio_format(struct audio_format *audio_format)
return AL_FORMAT_STEREO16;
if (audio_format->channels == 1)
return AL_FORMAT_MONO16;
break;
/* fall back to mono */
audio_format->channels = 1;
return openal_audio_format(audio_format);
case SAMPLE_FORMAT_S8:
if (audio_format->channels == 2)
return AL_FORMAT_STEREO8;
if (audio_format->channels == 1)
return AL_FORMAT_MONO8;
break;
/* fall back to mono */
audio_format->channels = 1;
return openal_audio_format(audio_format);
default:
/* fall back to 16 bit */
audio_format->format = SAMPLE_FORMAT_S16;
if (audio_format->channels == 2)
return AL_FORMAT_STEREO16;
if (audio_format->channels == 1)
return AL_FORMAT_MONO16;
break;
return openal_audio_format(audio_format);
}
return 0;
}
static bool