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Fixed surround sound channel setup for Android OpenSL ES audio driver

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This commit is contained in:
Sam Lantinga 2019-06-07 15:09:15 -07:00
parent 23a2b47790
commit 166d15fd75
1 changed files with 32 additions and 10 deletions
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42
src/audio/openslES/SDL_openslES.c
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@ -290,19 +290,41 @@ openslES_CreatePCMPlayer(_THIS)
#define SL_SPEAKER_TOP_BACK_CENTER ((SLuint32) 0x00010000)
#define SL_SPEAKER_TOP_BACK_RIGHT ((SLuint32) 0x00020000)
*/
#define SL_ANDROID_SPEAKER_QUAD (SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT | SL_SPEAKER_BACK_LEFT | SL_SPEAKER_BACK_RIGHT)
#define SL_ANDROID_SPEAKER_5DOT1 (SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT | SL_SPEAKER_FRONT_CENTER | SL_SPEAKER_LOW_FREQUENCY| SL_SPEAKER_BACK_LEFT | SL_SPEAKER_BACK_RIGHT)
#define SL_ANDROID_SPEAKER_7DOT1 (SL_ANDROID_SPEAKER_5DOT1 | SL_SPEAKER_SIDE_LEFT | SL_SPEAKER_SIDE_RIGHT)
if (this->spec.channels == 1) {
format_pcm.channelMask = SL_SPEAKER_FRONT_CENTER;
} else if (this->spec.channels == 2) {
switch (this->spec.channels)
{
case 1:
format_pcm.channelMask = SL_SPEAKER_FRONT_LEFT;
break;
case 2:
format_pcm.channelMask = SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT;
} else if (this->spec.channels == 3) {
break;
case 3:
format_pcm.channelMask = SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT | SL_SPEAKER_FRONT_CENTER;
} else if (this->spec.channels == 4) {
format_pcm.channelMask = SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT |
SL_SPEAKER_BACK_LEFT | SL_SPEAKER_BACK_RIGHT;
} else {
format_pcm.channelMask = SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT |
SL_SPEAKER_BACK_LEFT | SL_SPEAKER_BACK_RIGHT | SL_SPEAKER_FRONT_CENTER;
break;
case 4:
format_pcm.channelMask = SL_ANDROID_SPEAKER_QUAD;
break;
case 5:
format_pcm.channelMask = SL_ANDROID_SPEAKER_QUAD | SL_SPEAKER_FRONT_CENTER;
break;
case 6:
format_pcm.channelMask = SL_ANDROID_SPEAKER_5DOT1;
break;
case 7:
format_pcm.channelMask = SL_ANDROID_SPEAKER_5DOT1 | SL_SPEAKER_BACK_CENTER;
break;
case 8:
format_pcm.channelMask = SL_ANDROID_SPEAKER_7DOT1;
break;
default:
/* Unknown number of channels, fall back to stereo */
this->spec.channels = 2;
format_pcm.channelMask = SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT;
break;
}
SLDataSource audioSrc = { &loc_bufq, &format_pcm };