RaySollium99/picodrive
1
0
Fork 0
mirror of https://github.com/RaySollium99/picodrive.git synced 2025-09-05 15:27:46 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

psp mp3 implementation

Browse source 
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@293 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-11-10 22:43:26 +00:00
parent b5e5172d04
commit 4b167c12c7
14 changed files with 557 additions and 40 deletions
Download patch file Download diff file Expand all files Collapse all files

15
platform/psp/emu.c
View file

@ -477,7 +477,7 @@ static void vidResetMode(void)
/* sound stuff */
#define SOUND_BLOCK_SIZE_NTSC (1470*2) // 1024 // 1152
#define SOUND_BLOCK_SIZE_PAL (1764*2)
#define SOUND_BLOCK_COUNT 4
#define SOUND_BLOCK_COUNT 8
static short __attribute__((aligned(4))) sndBuffer[SOUND_BLOCK_SIZE_PAL*SOUND_BLOCK_COUNT + 44100/50*2];
static short *snd_playptr = NULL, *sndBuffer_endptr = NULL;
@ -489,7 +489,7 @@ static void writeSound(int len);
static int sound_thread(SceSize args, void *argp)
{
int ret;
int ret = 0;
lprintf("sthr: started, priority %i\n", sceKernelGetThreadCurrentPriority());
@ -497,14 +497,14 @@ static int sound_thread(SceSize args, void *argp)
{
if (samples_made - samples_done < samples_block) {
// wait for data (use at least 2 blocks)
//lprintf("sthr: wait... (%i)\n", samples_made - samples_done);
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);
if (ret < 0) lprintf("sthr: sceKernelWaitSema: %i\n", ret);
continue;
}
//lprintf("sthr: got data: %i\n", samples_made - samples_done);
// lprintf("sthr: got data: %i\n", samples_made - samples_done);
ret = sceAudio_E0727056(PSP_AUDIO_VOLUME_MAX, snd_playptr);
@ -517,7 +517,7 @@ static int sound_thread(SceSize args, void *argp)
// shouln't happen, but just in case
if (samples_made - samples_done >= samples_block*3) {
//lprintf("block skip (%i)\n", samples_made - samples_done);
lprintf("sthr: block skip (%i)\n", samples_made - samples_done);
samples_done += samples_block; // skip
snd_playptr += samples_block;
}
@ -615,6 +615,7 @@ static void writeSound(int len)
lprintf("mov\n");
}
else*/
if (PsndOut > sndBuffer_endptr) lprintf("snd oflow %i!\n", PsndOut - sndBuffer_endptr);
if (PsndOut >= sndBuffer_endptr)
PsndOut = sndBuffer;
@ -623,7 +624,7 @@ static void writeSound(int len)
if (samples_made - samples_done > samples_block*2) {
// lprintf("signal, %i/%i\n", samples_done, samples_made);
ret = sceKernelSignalSema(sound_sem, 1);
// lprintf("signal ret %i\n", ret);
//if (ret < 0) lprintf("snd signal ret %08x\n", ret);
}
}