static void ogg_add_callback(int voice)
{
if (!ogg_thread_running)
{
ASND_StopVoice(0);
return;
}
if (private_ogg.flag & 128)
return; // Ogg is paused
if (private_ogg.pcm_indx >= READ_SAMPLES)
{
if (ASND_AddVoice(0,
(void *) private_ogg.pcmout[private_ogg.pcmout_pos],
private_ogg.pcm_indx << 1) == 0)
{
private_ogg.pcmout_pos ^= 1;
private_ogg.pcm_indx = 0;
private_ogg.flag = 0;
LWP_ThreadSignal(oggplayer_queue);
}
}
else
{
if (private_ogg.flag & 64)
{
private_ogg.flag &= ~64;
LWP_ThreadSignal(oggplayer_queue);
}
}
}
static void dma_callback(void)
{
g_audio->dma_busy = g_audio->dma_next;
g_audio->dma_next = (g_audio->dma_next + 1) & (BLOCKS - 1);
DCFlushRange(g_audio->data[g_audio->dma_next], CHUNK_SIZE);
AUDIO_InitDMA((u32)g_audio->data[g_audio->dma_next], CHUNK_SIZE);
LWP_ThreadSignal(g_audio->cond);
}
static void
switch_buffers(void)
{
AUDIO_StopDMA();
cur_buffer ^= 1;
AUDIO_InitDMA((u32)buffer[cur_buffer], buffer_size[cur_buffer]);
AUDIO_StartDMA();
LWP_ThreadSignal(audio_queue);
}
static void dma_callback(void)
{
gx_audio_t *wa = (gx_audio_t*)gx_audio_data;
// erase last chunk to avoid repeating audio
memset(wa->data[wa->dma_busy], 0, CHUNK_SIZE);
wa->dma_busy = wa->dma_next;
wa->dma_next = (wa->dma_next + 1) & (BLOCKS - 1);
DCFlushRange(wa->data[wa->dma_next], CHUNK_SIZE);
AUDIO_InitDMA((uint32_t)wa->data[wa->dma_next], CHUNK_SIZE);
LWP_ThreadSignal(wa->cond);
}
static void audio_switch_buffers() {
sb_hw = (sb_hw + 1) % SFX_BUFFERS;
AUDIO_InitDMA((u32) sound_buffer[sb_hw], SFX_THREAD_FRAG_SIZE);
LWP_ThreadSignal(sfx_queue);
}
void ThreadSignal() { LWP_ThreadSignal(ThreadQueue); };
