static int AEChannelMapToAUDIOTRACKChannelMask(CAEChannelInfo info)
{
info.ResolveChannels(CAEChannelInfo(KnownChannels));
// Detect layouts with 6 channels including one LFE channel
// We currently support the following layouts:
// 5.1 FL+FR+FC+LFE+BL+BR
// 5.1(side) FL+FR+FC+LFE+SL+SR
// According to CEA-861-D only RR and RL are defined
// Therefore we let Android decide about the 5.1 mapping
// For 8 channel layouts including one LFE channel
// we leave the same decision to Android
if (info.Count() == 6 && info.HasChannel(AE_CH_LFE))
return CJNIAudioFormat::CHANNEL_OUT_5POINT1;
if (info.Count() == 8 && info.HasChannel(AE_CH_LFE))
return CJNIAudioFormat::CHANNEL_OUT_7POINT1_SURROUND;
int atMask = 0;
for (unsigned int i = 0; i < info.Count(); i++)
atMask |= AEChannelToAUDIOTRACKChannel(info[i]);
return atMask;
}
static int AEChannelMapToAUDIOTRACKChannelMask(CAEChannelInfo info)
{
#ifdef LIMIT_TO_STEREO_AND_5POINT1
if (info.Count() > 2 && info[0] != AE_CH_RAW)
return CJNIAudioFormat::CHANNEL_OUT_5POINT1;
else
return CJNIAudioFormat::CHANNEL_OUT_STEREO;
#endif
info.ResolveChannels(KnownChannels);
int atMask = 0;
for (unsigned int i = 0; i < info.Count(); i++)
atMask |= AEChannelToAUDIOTRACKChannel(info[i]);
return atMask;
}
static int AEChannelMapToAUDIOTRACKChannelMask(CAEChannelInfo info)
{
#ifdef LIMIT_TO_STEREO_AND_5POINT1_AND_7POINT1
if (info.Count() > 6 && Has71Support())
return CJNIAudioFormat::CHANNEL_OUT_5POINT1
| CJNIAudioFormat::CHANNEL_OUT_SIDE_LEFT
| CJNIAudioFormat::CHANNEL_OUT_SIDE_RIGHT;
else if (info.Count() > 2)
return CJNIAudioFormat::CHANNEL_OUT_5POINT1;
else
return CJNIAudioFormat::CHANNEL_OUT_STEREO;
#endif
info.ResolveChannels(KnownChannels);
int atMask = 0;
for (unsigned int i = 0; i < info.Count(); i++)
atMask |= AEChannelToAUDIOTRACKChannel(info[i]);
return atMask;
}
