bool JMP3::load(const std::string& filename, int inBufferSize, int outBufferSize) { JLOG("Start JMP3::load"); if (!init_done) { JLOG("JMP3::load called but init_done is false!"); return false; } #ifdef MP3_SUPPORT m_inBufferSize = inBufferSize; //m_inBuffer = new char[m_inBufferSize]; //if (!m_inBuffer) // return false; m_outBufferSize = outBufferSize; //m_outBuffer = new short[outBufferSize]; //if (!m_outBuffer) // return false; m_fileHandle = sceIoOpen(filename.c_str(), PSP_O_RDONLY, 0777); if (m_fileHandle < 0) return false; // Memorise the full path for reloading with decode thread. if ( getcwd(m_fileName, sizeof(m_fileName)) ){ int len = strnlen(m_fileName, sizeof(m_fileName)); if (len + filename.size() <= sizeof(m_fileName) - 2){ m_fileName[len++] = '/'; strcpy(m_fileName + len, filename.c_str()); }else{ m_fileName[0] = 0; } } int ret = sceMp3InitResource(); if (ret < 0) return false; SceMp3InitArg initArgs; int fileSize = sceIoLseek32(m_fileHandle, 0, SEEK_END); sceIoLseek32(m_fileHandle, 0, SEEK_SET); m_fileSize = fileSize; int id3tagsize = GetID3TagSize((char*)filename.c_str()); initArgs.unk1 = 0; initArgs.unk2 = 0; initArgs.mp3StreamStart = id3tagsize; initArgs.mp3StreamEnd = fileSize-(id3tagsize); initArgs.mp3BufSize = m_inBufferSize; initArgs.mp3Buf = (SceVoid*) m_inBuffer; initArgs.pcmBufSize = m_outBufferSize; initArgs.pcmBuf = (SceVoid*) m_outBuffer; m_mp3Handle = sceMp3ReserveMp3Handle(&initArgs); if (m_mp3Handle < 0) return false; // Alright we are all set up, let's fill the first buffer. bool _filled= fillBuffers(); if (! _filled) return false; // Start this bitch up! int start = sceMp3Init(m_mp3Handle); if (start < 0) return false; m_numChannels = sceMp3GetMp3ChannelNum(m_mp3Handle); m_samplingRate = sceMp3GetSamplingRate(m_mp3Handle); #endif JLOG("End JMP3::load"); return true; }
/* main routine */ int main(int argc, char *argv[]) { SceCtrlData pad; //init screen and callbacks pspDebugScreenInit(); pspDebugScreenClear(); SetupCallbacks(); // Setup Pad sceCtrlSetSamplingCycle(0); sceCtrlSetSamplingMode(0); // Load modules int status = sceUtilityLoadModule(PSP_MODULE_AV_AVCODEC); if (status<0) { ERRORMSG("ERROR: sceUtilityLoadModule(PSP_MODULE_AV_AVCODEC) returned 0x%08X\n", status); } status = sceUtilityLoadModule(PSP_MODULE_AV_MP3); if (status<0) { ERRORMSG("ERROR: sceUtilityLoadModule(PSP_MODULE_AV_MP3) returned 0x%08X\n", status); } // Open the input file int fd = sceIoOpen( MP3FILE, PSP_O_RDONLY, 0777 ); if (fd<0) { ERRORMSG("ERROR: Could not open file '%s' - 0x%08X\n", MP3FILE, fd); } // Init mp3 resources status = sceMp3InitResource(); if (status<0) { ERRORMSG("ERROR: sceMp3InitResource returned 0x%08X\n", status); } // Reserve a mp3 handle for our playback SceMp3InitArg mp3Init; mp3Init.mp3StreamStart = 0; mp3Init.mp3StreamEnd = sceIoLseek32( fd, 0, SEEK_END ); mp3Init.unk1 = 0; mp3Init.unk2 = 0; mp3Init.mp3Buf = mp3Buf; mp3Init.mp3BufSize = sizeof(mp3Buf); mp3Init.pcmBuf = pcmBuf; mp3Init.pcmBufSize = sizeof(pcmBuf); int handle = sceMp3ReserveMp3Handle( &mp3Init ); if (handle<0) { ERRORMSG("ERROR: sceMp3ReserveMp3Handle returned 0x%08X\n", handle); } // Fill the stream buffer with some data so that sceMp3Init has something to work with fillStreamBuffer( fd, handle ); status = sceMp3Init( handle ); if (status<0) { ERRORMSG("ERROR: sceMp3Init returned 0x%08X\n", status); } int channel = -1; int samplingRate = sceMp3GetSamplingRate( handle ); int numChannels = sceMp3GetMp3ChannelNum( handle ); int lastDecoded = 0; int volume = PSP_AUDIO_VOLUME_MAX; int numPlayed = 0; int paused = 0; int lastButtons = 0; int loop = 0; while (isrunning) { sceDisplayWaitVblankStart(); pspDebugScreenSetXY(0, 0); printf("PSP Mp3 Sample v1.0 by Raphael\n\n"); printf("Playing '%s'...\n", MP3FILE); printf(" %i Hz\n", samplingRate); printf(" %i kbit/s\n", sceMp3GetBitRate( handle )); printf(" %s\n", numChannels==2?"Stereo":"Mono"); printf(" %s\n\n", loop==0?"No loop":"Loop"); int playTime = samplingRate>0?numPlayed / samplingRate:0; printf(" Playtime: %02i:%02i\n", playTime/60, playTime%60 ); printf("\n\n\nPress CIRCLE to Pause/Resume playback\nPress TRIANGLE to reset playback\nPress CROSS to switch loop mode\nPress SQUARE to stop playback and quit\n"); if (!paused) { // Check if we need to fill our stream buffer if (sceMp3CheckStreamDataNeeded( handle )>0) { fillStreamBuffer( fd, handle ); } // Decode some samples short* buf; int bytesDecoded; int retries = 0; // We retry in case it's just that we reached the end of the stream and need to loop for (; retries<1; retries++) { bytesDecoded = sceMp3Decode( handle, &buf ); if (bytesDecoded>0) break; if (sceMp3CheckStreamDataNeeded( handle )<=0) break; if (!fillStreamBuffer( fd, handle )) { numPlayed = 0; } } if (bytesDecoded<0 && bytesDecoded!=0x80671402) { ERRORMSG("ERROR: sceMp3Decode returned 0x%08X\n", bytesDecoded); } // Nothing more to decode? Must have reached end of input buffer if (bytesDecoded==0 || bytesDecoded==0x80671402) { paused = 1; sceMp3ResetPlayPosition( handle ); numPlayed = 0; } else { // Reserve the Audio channel for our output if not yet done if (channel<0 || lastDecoded!=bytesDecoded) { if (channel>=0) sceAudioSRCChRelease(); channel = sceAudioSRCChReserve( bytesDecoded/(2*numChannels), samplingRate, numChannels ); } // Output the decoded samples and accumulate the number of played samples to get the playtime numPlayed += sceAudioSRCOutputBlocking( volume, buf ); } } sceCtrlPeekBufferPositive(&pad, 1); if (pad.Buttons!=lastButtons) { if (pad.Buttons & PSP_CTRL_CIRCLE) { paused ^= 1; } if (pad.Buttons & PSP_CTRL_TRIANGLE) { // Reset the stream and playback status sceMp3ResetPlayPosition( handle ); numPlayed = 0; } if (pad.Buttons & PSP_CTRL_CROSS) { loop = (loop==0?-1:0); status = sceMp3SetLoopNum( handle, loop ); if (status<0) { ERRORMSG("ERROR: sceMp3SetLoopNum returned 0x%08X\n", status); } } if (pad.Buttons & PSP_CTRL_SQUARE) { break; } lastButtons = pad.Buttons; } } // Cleanup time... if (channel>=0) sceAudioSRCChRelease(); status = sceMp3ReleaseMp3Handle( handle ); if (status<0) { ERRORMSG("ERROR: sceMp3ReleaseMp3Handle returned 0x%08X\n", status); } status = sceMp3TermResource(); if (status<0) { ERRORMSG("ERROR: sceMp3TermResource returned 0x%08X\n", status); } status = sceIoClose( fd ); if (status<0) { ERRORMSG("ERROR: sceIoClose returned 0x%08X\n", status); } sceKernelExitGame(); return 0; }