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Remove apple specific fixes from PortaudioBackend now that it is windows only

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This commit is contained in:
Tim Mayberry 2015-08-23 14:40:35 +10:00
parent dd93aec029
commit d6f7066e80
1 changed files with 0 additions and 29 deletions
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29
libs/backends/portaudio/portaudio_io.cc
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@ -559,19 +559,6 @@ PortAudioIO::pcm_start()
return 0;
}
#ifdef __APPLE__
static uint32_t lower_power_of_two (uint32_t v) {
v--;
v |= v >> 1;
v |= v >> 2;
v |= v >> 4;
v |= v >> 8;
v |= v >> 16;
v++;
return v >> 1;
}
#endif
int
PortAudioIO::pcm_setup (
int device_input, int device_output,
@ -637,22 +624,6 @@ PortAudioIO::pcm_setup (
goto error;
}
#ifdef __APPLE__
// pa_mac_core_blocking.c pa_stable_v19_20140130
// BUG: ringbuffer alloc requires power-of-two chn count.
if ((_capture_channels & (_capture_channels - 1)) != 0) {
DEBUG_AUDIO (
"Adjusted capture channels to power of two (portaudio rb bug)\n");
_capture_channels = lower_power_of_two (_capture_channels);
}
if ((_playback_channels & (_playback_channels - 1)) != 0) {
DEBUG_AUDIO (
"Adjusted capture channels to power of two (portaudio rb bug)\n");
_playback_channels = lower_power_of_two (_playback_channels);
}
#endif
DEBUG_AUDIO (string_compose ("PortAudio Channels: in:%1 out:%2\n",
_capture_channels,
_playback_channels));