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Diffstat (limited to 'audio/coreaudio.c')
-rw-r--r--audio/coreaudio.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/audio/coreaudio.c b/audio/coreaudio.c
index d8a21d3e50..0f19d0ce01 100644
--- a/audio/coreaudio.c
+++ b/audio/coreaudio.c
@@ -283,6 +283,7 @@ static int coreaudio_buf_unlock (coreaudioVoiceOut *core, const char *fn_name)
coreaudio_buf_unlock(core, "coreaudio_" #name); \
return ret; \
}
+COREAUDIO_WRAPPER_FUNC(buffer_get_free, size_t, (HWVoiceOut *hw), (hw))
COREAUDIO_WRAPPER_FUNC(get_buffer_out, void *, (HWVoiceOut *hw, size_t *size),
(hw, size))
COREAUDIO_WRAPPER_FUNC(put_buffer_out, size_t,
@@ -333,12 +334,10 @@ static OSStatus audioDeviceIOProc(
len = frameCount * hw->info.bytes_per_frame;
while (len) {
- size_t write_len;
- ssize_t start = ((ssize_t) hw->pos_emul) - hw->pending_emul;
- if (start < 0) {
- start += hw->size_emul;
- }
- assert(start >= 0 && start < hw->size_emul);
+ size_t write_len, start;
+
+ start = audio_ring_posb(hw->pos_emul, hw->pending_emul, hw->size_emul);
+ assert(start < hw->size_emul);
write_len = MIN(MIN(hw->pending_emul, len),
hw->size_emul - start);
@@ -604,6 +603,8 @@ static int coreaudio_init_out(HWVoiceOut *hw, struct audsettings *as,
coreaudio_playback_logerr(status,
"Could not remove voice property change listener\n");
}
+
+ return -1;
}
return 0;
@@ -654,6 +655,8 @@ static struct audio_pcm_ops coreaudio_pcm_ops = {
.fini_out = coreaudio_fini_out,
/* wrapper for audio_generic_write */
.write = coreaudio_write,
+ /* wrapper for audio_generic_buffer_get_free */
+ .buffer_get_free = coreaudio_buffer_get_free,
/* wrapper for audio_generic_get_buffer_out */
.get_buffer_out = coreaudio_get_buffer_out,
/* wrapper for audio_generic_put_buffer_out */