X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=psp%2Fmp3.c;h=af506116bc08b33541234af607f923e1b78a3e03;hb=8d5cb10d611a93fb21139bab7a11e7ff0d2292e6;hp=5a878770fbea2a725866b61a2f3bb4c9760afd40;hpb=5ecedd0cc2257b564dfcf68cb0e9d7d541bfc2b8;p=libpicofe.git diff --git a/psp/mp3.c b/psp/mp3.c index 5a87877..af50611 100644 --- a/psp/mp3.c +++ b/psp/mp3.c @@ -1,9 +1,15 @@ +// (c) Copyright 2007 notaz, All rights reserved. +// Free for non-commercial use. + +// For commercial use, separate licencing terms must be obtained. + #include #include #include #include #include +#include #include "../../Pico/PicoInt.h" #include "../../Pico/sound/mix.h" @@ -11,6 +17,7 @@ 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 +103,14 @@ 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.. } @@ -121,9 +133,20 @@ static int read_next_frame(int which_buffer) static SceUID load_start_module(const char *prxname) { - SceUID mod = pspSdkLoadStartModule(prxname, PSP_MEMORY_PARTITION_KERNEL); - if (mod < 0) - lprintf("failed to load %s: %08x\n", prxname, mod); + SceUID mod, mod1; + int status, ret; + + mod = pspSdkLoadStartModule(prxname, PSP_MEMORY_PARTITION_KERNEL); + if (mod < 0) { + lprintf("failed to load %s (%08x), trying kuKernelLoadModule\n", prxname, mod); + mod1 = kuKernelLoadModule(prxname, 0, NULL); + if (mod1 < 0) lprintf("kuKernelLoadModule failed with %08x\n", mod1); + else { + ret = sceKernelStartModule(mod1, 0, NULL, &status, 0); + if (ret < 0) lprintf("sceKernelStartModule failed with %08x\n", ret); + else mod = mod1; + } + } return mod; } @@ -142,7 +165,8 @@ int mp3_init(void) mod = load_start_module("flash0:/kd/audiocodec.prx"); else mod = load_start_module("flash0:/kd/avcodec.prx"); if (mod < 0) { - ret = mod = load_start_module("flash0:/kd/audiocodec_260.prx"); // last chance.. + ret = mod; + mod = load_start_module("flash0:/kd/audiocodec_260.prx"); // last chance.. if (mod < 0) goto fail; } @@ -181,8 +205,9 @@ int mp3_init(void) goto fail2; } + /* use slightly higher prio then main */ thread_exit = 0; - thid = sceKernelCreateThread("mp3decode_thread", decode_thread, 30, 0x2000, 0, 0); /* use slightly higher prio then main */ + thid = sceKernelCreateThread("mp3decode_thread", decode_thread, 30, 0x2000, 0, NULL); if (thid < 0) { lprintf("failed to create decode thread: %08x\n", thid); ret = thid; @@ -195,6 +220,7 @@ int mp3_init(void) } mp3_last_error = 0; + initialized = 1; return 0; fail3: @@ -207,12 +233,15 @@ 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 +258,7 @@ void mp3_deinit(void) sceKernelDeleteSema(thread_job_sem); thread_job_sem = -1; sceAudiocodecReleaseEDRAM(mp3_codec_struct); + initialized = 0; } // may overflow stack? @@ -269,6 +299,7 @@ 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 +307,8 @@ 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 +320,19 @@ 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 +342,8 @@ 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 +355,8 @@ 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); @@ -438,3 +473,17 @@ int mp3_get_offset(void) // 0-1023 } +void mp3_reopen_file(void) +{ + if (mp3_fname == NULL) return; + lprintf("mp3_reopen_file(%s)\n", mp3_fname); + + // try closing, just in case + if (mp3_handle >= 0) sceIoClose(mp3_handle); + + mp3_handle = sceIoOpen(mp3_fname, PSP_O_RDONLY, 0777); + if (mp3_handle >= 0) + sceIoLseek32(mp3_handle, mp3_src_pos, PSP_SEEK_SET); + lprintf("mp3_reopen_file %s\n", mp3_handle >= 0 ? "ok" : "failed"); +} +