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minor psp fixes

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive/platform@297 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-11-17 17:57:58 +00:00
parent c14459dbf9
commit fe9e3b2544
8 changed files with 149 additions and 44 deletions
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30
psp/mp3.c
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@ -11,6 +11,7 @@
int mp3_last_error = 0;
static int initialized = 0;
static SceUID thread_job_sem = -1;
static SceUID thread_busy_sem = -1;
static int thread_exit = 0;
@ -96,9 +97,14 @@ static int read_next_frame(int which_buffer)
continue; // bad frame
}
if (bytes_read - frame_offset < frame_size) {
if (bytes_read - frame_offset < frame_size)
{
lprintf("unfit, foffs=%i\n", mp3_src_pos - bytes_read);
mp3_src_pos -= bytes_read - frame_offset;
if (mp3_src_size - mp3_src_pos < frame_size) {
mp3_src_pos = mp3_src_size;
return 0; // EOF
}
sceIoLseek32(mp3_handle, mp3_src_pos, PSP_SEEK_SET);
continue; // didn't fit, re-read..
}
@ -195,6 +201,7 @@ int mp3_init(void)
}
mp3_last_error = 0;
initialized = 1;
return 0;
fail3:
@ -207,12 +214,15 @@ fail1:
sceAudiocodecReleaseEDRAM(mp3_codec_struct);
fail:
mp3_last_error = ret;
initialized = 0;
return 1;
}
void mp3_deinit(void)
{
lprintf("deinit\n");
lprintf("mp3_deinit, initialized=%i\n", initialized);
if (!initialized) return;
thread_exit = 1;
psp_sem_lock(thread_busy_sem);
psp_sem_unlock(thread_busy_sem);
@ -229,6 +239,7 @@ void mp3_deinit(void)
sceKernelDeleteSema(thread_job_sem);
thread_job_sem = -1;
sceAudiocodecReleaseEDRAM(mp3_codec_struct);
initialized = 0;
}
// may overflow stack?
@ -269,6 +280,7 @@ static int decode_thread(SceSize args, void *argp)
}
// might be called before initialization
int mp3_get_bitrate(FILE *f, int size)
{
int ret, retval = -1, sample_rate, bitrate;
@ -276,7 +288,8 @@ int mp3_get_bitrate(FILE *f, int size)
char *fname = (char *)f;
/* make sure thread is not busy.. */
psp_sem_lock(thread_busy_sem);
if (thread_busy_sem >= 0)
psp_sem_lock(thread_busy_sem);
if (mp3_handle >= 0) sceIoClose(mp3_handle);
mp3_handle = sceIoOpen(fname, PSP_O_RDONLY, 0777);
@ -288,19 +301,19 @@ int mp3_get_bitrate(FILE *f, int size)
mp3_src_pos = 0;
ret = read_next_frame(0);
if (ret <= 0) {
lprintf("read_next_frame() failed\n");
lprintf("read_next_frame() failed (%s)\n", fname);
goto end;
}
sample_rate = (mp3_src_buffer[0][2] & 0x0c) >> 2;
bitrate = mp3_src_buffer[0][2] >> 4;
if (sample_rate != 0) {
lprintf("unsupported samplerate\n");
lprintf("unsupported samplerate (%s)\n", fname);
goto end; // only 44kHz supported..
}
bitrate = bitrates[bitrate];
if (bitrate == 0) {
lprintf("unsupported bitrate\n");
lprintf("unsupported bitrate (%s)\n", fname);
goto end;
}
@ -310,7 +323,8 @@ end:
if (mp3_handle >= 0) sceIoClose(mp3_handle);
mp3_handle = -1;
mp3_fname = NULL;
psp_sem_unlock(thread_busy_sem);
if (thread_busy_sem >= 0)
psp_sem_unlock(thread_busy_sem);
if (retval < 0) mp3_last_error = -1; // remember we had a problem..
return retval;
}
@ -322,6 +336,8 @@ void mp3_start_play(FILE *f, int pos)
{
char *fname = (char *)f;
if (!initialized) return;
lprintf("mp3_start_play(%s) @ %i\n", fname, pos);
psp_sem_lock(thread_busy_sem);