+/* sound stuff */
+#define SOUND_BLOCK_SIZE_NTSC (1470*2) // 1024 // 1152
+#define SOUND_BLOCK_SIZE_PAL (1764*2)
+#define SOUND_BLOCK_COUNT 4
+
+static short __attribute__((aligned(4))) sndBuffer[SOUND_BLOCK_SIZE_PAL*SOUND_BLOCK_COUNT + 44100/50*2];
+static short *snd_playptr = NULL, *sndBuffer_endptr = NULL;
+static int samples_made = 0, samples_done = 0, samples_block = 0;
+static int sound_thread_exit = 0;
+static SceUID sound_sem = -1;
+
+static void writeSound(int len);
+
+static int sound_thread(SceSize args, void *argp)
+{
+ int ret;
+
+ lprintf("sthr: started, priority %i\n", sceKernelGetThreadCurrentPriority());
+
+ while (!sound_thread_exit)
+ {
+ if (samples_made - samples_done < samples_block) {
+ // wait for data (use at least 2 blocks)
+ //lprintf("sthr: wait... (%i)\n", samples_made - samples_done);
+ while (samples_made - samples_done <= samples_block*2 && !sound_thread_exit)
+ ret = sceKernelWaitSema(sound_sem, 1, 0);
+ //lprintf("sthr: sceKernelWaitSema: %i\n", ret);
+ continue;
+ }
+
+ //lprintf("sthr: got data: %i\n", samples_made - samples_done);
+
+ ret = sceAudio_E0727056(PSP_AUDIO_VOLUME_MAX, snd_playptr);
+
+ samples_done += samples_block;
+ snd_playptr += samples_block;
+ if (snd_playptr >= sndBuffer_endptr)
+ snd_playptr = sndBuffer;
+ if (ret)
+ lprintf("sthr: outf: %i; pos %i/%i\n", ret, samples_done, samples_made);
+
+ // shouln't happen, but just in case
+ if (samples_made - samples_done >= samples_block*3) {
+ //lprintf("block skip (%i)\n", samples_made - samples_done);
+ samples_done += samples_block; // skip
+ snd_playptr += samples_block;
+ }
+