diff options
Diffstat (limited to 'backends')
| -rw-r--r-- | backends/platform/psp/Makefile | 6 | ||||
| -rw-r--r-- | backends/platform/psp/module.mk | 3 | ||||
| -rw-r--r-- | backends/platform/psp/mp3.cpp | 487 | ||||
| -rw-r--r-- | backends/platform/psp/mp3.h | 121 | ||||
| -rw-r--r-- | backends/platform/psp/psp.spec | 2 |
5 files changed, 615 insertions, 4 deletions
diff --git a/backends/platform/psp/Makefile b/backends/platform/psp/Makefile index 7c33999b4d..7f8bb63b0a 100644 --- a/backends/platform/psp/Makefile +++ b/backends/platform/psp/Makefile @@ -129,7 +129,8 @@ SDLFLAGS := $(shell $(PSPBIN)/sdl-config --cflags) SDLLIBS := $(shell $(PSPBIN)/sdl-config --libs) # PSP LIBS PSPLIBS = -lpspprof -lpspvfpu -lpspdebug -lpspgu -lpspge -lpspdisplay -lpspctrl -lpspsdk \ - -lpsputility -lpspuser -lpsppower -lpsphprm -lpspsdk -lpsprtc -lpspaudio -lpspkernel + -lpsputility -lpspuser -lpsppower -lpsphprm -lpspsdk -lpsprtc -lpspaudio -lpspaudiocodec \ + -lpspkernel # Add in PSPSDK includes and libraries. CXXFLAGS += $(SDLFLAGS) @@ -149,7 +150,8 @@ OBJS := powerman.o \ psploader.o \ pspkeyboard.o \ audio.o \ - thread.o + thread.o \ + mp3.o # Include common Scummvm makefile include $(srcdir)/Makefile.common diff --git a/backends/platform/psp/module.mk b/backends/platform/psp/module.mk index 4d375bcef0..99170ce7fb 100644 --- a/backends/platform/psp/module.mk +++ b/backends/platform/psp/module.mk @@ -14,7 +14,8 @@ MODULE_OBJS := powerman.o \ psploader.o \ pspkeyboard.o \ audio.o \ - thread.o + thread.o \ + mp3.o MODULE_DIRS += \ backends/platform/psp/ diff --git a/backends/platform/psp/mp3.cpp b/backends/platform/psp/mp3.cpp new file mode 100644 index 0000000000..972c5a8ba8 --- /dev/null +++ b/backends/platform/psp/mp3.cpp @@ -0,0 +1,487 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + * + */ + + +#include "common/debug.h" +#include "common/stream.h" +#include "common/util.h" +#include "common/singleton.h" +#include "common/mutex.h" + +#include "sound/audiostream.h" + +#include <pspaudiocodec.h> +#include <psputility_modules.h> +#include <pspthreadman.h> +#include <pspsysmem.h> +#include <pspmodulemgr.h> +#include <psputility_avmodules.h> +#include <mad.h> +#include "backends/platform/psp/mp3.h" + +//#define DISABLE_PSP_MP3 // to make us use the regular MAD decoder instead + +//#define __PSP_DEBUG_FUNCS__ /* For debugging the stack */ +//#define __PSP_DEBUG_PRINT__ +#include "backends/platform/psp/trace.h" + +//#define PRINT_BUFFERS /* to debug MP3 buffers */ + +namespace Audio { + +class Mp3PspStream; + +bool Mp3PspStream::_decoderInit = false; // has the decoder been initialized +#ifdef DISABLE_PSP_MP3 +bool Mp3PspStream::_decoderFail = true; // pretend the decoder failed +#else +bool Mp3PspStream::_decoderFail = false; // has the decoder failed to load +#endif + +bool Mp3PspStream::initDecoder() { + DEBUG_ENTER_FUNC(); + + if (_decoderInit) { + PSP_ERROR("Already initialized!"); + return true; + } + + // Based on PSP firmware version, we need to do different things to do Media Engine processing + uint32 firmware = sceKernelDevkitVersion(); + PSP_DEBUG_PRINT("Firmware version 0x%x\n", firmware); + if (firmware == 0x01050001){ + if (!loadStartAudioModule((char *)(void *)"flash0:/kd/me_for_vsh.prx", + PSP_MEMORY_PARTITION_KERNEL)) { + PSP_ERROR("failed to load me_for_vsh.prx. ME cannot start.\n"); + _decoderFail = true; + return false; + } + if (!loadStartAudioModule((char *)(void *)"flash0:/kd/audiocodec.prx", PSP_MEMORY_PARTITION_KERNEL)) { + PSP_ERROR("failed to load audiocodec.prx. ME cannot start.\n"); + _decoderFail = true; + return false; + } + } else { + if (sceUtilityLoadAvModule(PSP_AV_MODULE_AVCODEC) < 0) { + PSP_ERROR("failed to load AVCODEC module.\n"); + _decoderFail = true; + return false; + } + } + + PSP_INFO_PRINT("Using PSP's ME for MP3\n"); // important to know this is happening + + _decoderInit = true; + return true; +} + +bool Mp3PspStream::stopDecoder() { + DEBUG_ENTER_FUNC(); + + if (!_decoderInit) + return true; + + // Based on PSP firmware version, we need to do different things to do Media Engine processing + if (sceKernelDevkitVersion() == 0x01050001){ +/* if (!unloadAudioModule("flash0:/kd/me_for_vsh.prx", PSP_MEMORY_PARTITION_KERNEL) || + !unloadAudioModule("flash0:/kd/audiocodec.prx", PSP_MEMORY_PARTITION_KERNEL) { + PSP_ERROR("failed to unload audio module\n"); + return false; + } +*/ + }else{ + if (sceUtilityUnloadModule(PSP_MODULE_AV_AVCODEC) < 0) { + PSP_ERROR("failed to unload avcodec module\n"); + return false; + } + } + + _decoderInit = false; + return true; +} + +//Load a PSP audio module +bool Mp3PspStream::loadStartAudioModule(const char *modname, int partition){ + DEBUG_ENTER_FUNC(); + + SceKernelLMOption option; + SceUID modid; + + memset(&option, 0, sizeof(option)); + option.size = sizeof(option); + option.mpidtext = partition; + option.mpiddata = partition; + option.position = 0; + option.access = 1; + + modid = sceKernelLoadModule(modname, 0, &option); + if (modid < 0) { + PSP_ERROR("Failed to load module %s. Got error 0x%x\n", modname, modid); + return false; + } + + int ret = sceKernelStartModule(modid, 0, NULL, NULL, NULL); + if (ret < 0) { + PSP_ERROR("Failed to start module %s. Got error 0x%x\n", modname, ret); + return false; + } + return true; +} + +// TODO: make parallel function for unloading the 1.50 modules + +Mp3PspStream::Mp3PspStream(Common::SeekableReadStream *inStream, DisposeAfterUse::Flag dispose) : + _inStream(inStream), + _disposeAfterUse(dispose), + _pcmLength(0), + _posInFrame(0), + _state(MP3_STATE_INIT), + _length(0, 1000), + _sampleRate(0), + _totalTime(mad_timer_zero) { + + DEBUG_ENTER_FUNC(); + + assert(_decoderInit); // must be initialized by now + + // let's leave the buffer guard -- who knows, it may be good? + memset(_buf, 0, sizeof(_buf)); + memset(_codecInBuffer, 0, sizeof(_codecInBuffer)); + + initStream(); // init needed stuff for the stream + + while (_state != MP3_STATE_EOS) + findValidHeader(); // get a first header so we can read basic stuff + + _sampleRate = _header.samplerate; // copy it before it gets destroyed + + _length = Timestamp(mad_timer_count(_totalTime, MAD_UNITS_MILLISECONDS), getRate()); + + //initStreamME(); // init the stuff needed for the ME to work + + deinitStream(); + //releaseStreamME(); + + _state = MP3_STATE_INIT; +} + +int Mp3PspStream::initStream() { + DEBUG_ENTER_FUNC(); + + if (_state != MP3_STATE_INIT) + deinitStream(); + + // Init MAD + mad_stream_init(&_stream); + mad_header_init(&_header); + + // Reset the stream data + _inStream->seek(0, SEEK_SET); + _totalTime = mad_timer_zero; + _posInFrame = 0; + + // Update state + _state = MP3_STATE_READY; + + // Read the first few sample bytes into the buffer + readMP3DataIntoBuffer(); + + return true; +} + +bool Mp3PspStream::initStreamME() { + // The following will eventually go into the thread + sceAudiocodecReleaseEDRAM(_codecParams); // do we need this? + + memset(_codecParams, 0, sizeof(_codecParams)); + + // Init the MP3 hardware + int ret = 0; + ret = sceAudiocodecCheckNeedMem(_codecParams, 0x1002); + if (ret < 0) { + PSP_ERROR("failed to init MP3 ME module. sceAudiocodecCheckNeedMem returned 0x%x.\n", ret); + return false; + } + PSP_DEBUG_PRINT("sceAudiocodecCheckNeedMem returned %d\n", ret); + ret = sceAudiocodecGetEDRAM(_codecParams, 0x1002); + if (ret < 0) { + PSP_ERROR("failed to init MP3 ME module. sceAudiocodecGetEDRAM returned 0x%x.\n", ret); + return false; + } + PSP_DEBUG_PRINT("sceAudioCodecGetEDRAM returned %d\n", ret); + + PSP_DEBUG_PRINT("samplerate[%d]\n", _sampleRate); + _codecParams[10] = _sampleRate; + + ret = sceAudiocodecInit(_codecParams, 0x1002); + if (ret < 0) { + PSP_ERROR("failed to init MP3 ME module. sceAudiocodecInit returned 0x%x.\n", ret); + return false; + } + + return true; +} + +Mp3PspStream::~Mp3PspStream() { + DEBUG_ENTER_FUNC(); + + deinitStream(); + releaseStreamME(); // free the memory used for this stream + + if (_disposeAfterUse == DisposeAfterUse::YES) + delete _inStream; +} + +void Mp3PspStream::deinitStream() { + DEBUG_ENTER_FUNC(); + + if (_state == MP3_STATE_INIT) + return; + + // Deinit MAD + mad_header_finish(&_header); + mad_stream_finish(&_stream); + + _state = MP3_STATE_EOS; +} + +void Mp3PspStream::releaseStreamME() { + sceAudiocodecReleaseEDRAM(_codecParams); +} + +void Mp3PspStream::decodeMP3Data() { + DEBUG_ENTER_FUNC(); + + do { + if (_state == MP3_STATE_INIT) { + initStream(); + initStreamME(); + } + + if (_state == MP3_STATE_EOS) + return; + + findValidHeader(); // seach for next valid header + + while (_state == MP3_STATE_READY) { + _stream.error = MAD_ERROR_NONE; + + uint32 frame_size = _stream.next_frame - _stream.this_frame; + uint32 samplesPerFrame = _header.layer == MAD_LAYER_III ? 576 : 1152; // Varies by layer + // calculate frame size -- try + //uint32 calc_frame_size = ((144 * _header.bitrate) / 22050) + (_header.flags & MAD_FLAG_PADDING ? 1 : 0); + + // Get stereo/mono + uint32 multFactor = 1; + if (_header.mode != MAD_MODE_SINGLE_CHANNEL) // mono - x2 for 16bit + multFactor *= 2; // stereo - x4 for 16bit + + PSP_DEBUG_PRINT("MP3 frame size[%d]. Samples[%d]. Multfactor[%d] pad[%d]\n", frame_size, samplesPerFrame, multFactor, _header.flags & MAD_FLAG_PADDING); + memcpy(_codecInBuffer, _stream.this_frame, frame_size); // we need it aligned + + // set up parameters for ME + _codecParams[6] = (unsigned long)_codecInBuffer; + _codecParams[8] = (unsigned long)_pcmSamples; + _codecParams[7] = frame_size; + _codecParams[9] = samplesPerFrame * multFactor; // x2 for stereo + + // debug +#ifdef PRINT_BUFFERS + PSP_DEBUG_PRINT("mp3 frame:\n"); + for (int i=0; i < (int)frame_size; i++) { + PSP_DEBUG_PRINT_SAMELN("%x ", _codecInBuffer[i]); + } + PSP_DEBUG_PRINT("\n"); +#endif + // Decode the next frame + // This function blocks. We'll want to put it in a thread + int ret = sceAudiocodecDecode(_codecParams, 0x1002); + if (ret < 0) { + PSP_ERROR("failed to decode MP3 data in ME. sceAudiocodecDecode returned 0x%x\n", ret); + // handle error here + } + +#ifdef PRINT_BUFFERS + PSP_DEBUG_PRINT("PCM frame:\n"); + for (int i=0; i < (int)_codecParams[9]; i+=2) { // changed from i+=2 + PSP_DEBUG_PRINT_SAMELN("%d ", (int16)_pcmSamples[i]); + } + PSP_DEBUG_PRINT("\n"); +#endif + _pcmLength = samplesPerFrame; + _posInFrame = 0; + break; + } + } while (_state != MP3_STATE_EOS && _stream.error == MAD_ERROR_BUFLEN); + + if (_stream.error != MAD_ERROR_NONE) // catch EOS + _state = MP3_STATE_EOS; +} + +void Mp3PspStream::readMP3DataIntoBuffer() { + DEBUG_ENTER_FUNC(); + + uint32 remaining = 0; + + // Give up immediately if we already used up all data in the stream + if (_inStream->eos()) { + _state = MP3_STATE_EOS; + return; + } + + if (_stream.next_frame) { + // If there is still data in the MAD stream, we need to preserve it. + // Note that we use memmove, as we are reusing the same buffer, + // and hence the data regions we copy from and to may overlap. + remaining = _stream.bufend - _stream.next_frame; + assert(remaining < BUFFER_SIZE); // Paranoia check + memmove(_buf, _stream.next_frame, remaining); // TODO: may want another buffer + } + + // Try to read the next block + uint32 size = _inStream->read(_buf + remaining, BUFFER_SIZE - remaining); + if (size <= 0) { + _state = MP3_STATE_EOS; + return; + } + + // Feed the data we just read into the stream decoder + _stream.error = MAD_ERROR_NONE; + mad_stream_buffer(&_stream, _buf, size + remaining); // just setup the pointers +} + +bool Mp3PspStream::seek(const Timestamp &where) { + DEBUG_ENTER_FUNC(); + + if (where == _length) { + _state = MP3_STATE_EOS; + return true; + } else if (where > _length) { + return false; + } + + const uint32 time = where.msecs(); + + mad_timer_t destination; + mad_timer_set(&destination, time / 1000, time % 1000, 1000); + + // Check if we need to rewind + if (_state != MP3_STATE_READY || mad_timer_compare(destination, _totalTime) < 0) { + initStream(); + initStreamME(); + } + + // The ME will need clear data no matter what once we seek? + //if (mad_timer_compare(destination, _totalTime) > 0 && _state != MP3_STATE_EOS) + // initStreamME(); + + // Skip ahead + while (mad_timer_compare(destination, _totalTime) > 0 && _state != MP3_STATE_EOS) + findValidHeader(); + + return (_state != MP3_STATE_EOS); +} + +// Seek in the stream, finding the next valid header +void Mp3PspStream::findValidHeader() { + DEBUG_ENTER_FUNC(); + + if (_state != MP3_STATE_READY) + return; + + // If necessary, load more data into the stream decoder + if (_stream.error == MAD_ERROR_BUFLEN) + readMP3DataIntoBuffer(); + + while (_state != MP3_STATE_EOS) { + _stream.error = MAD_ERROR_NONE; + + // Decode the next header. + if (mad_header_decode(&_header, &_stream) == -1) { + if (_stream.error == MAD_ERROR_BUFLEN) { + readMP3DataIntoBuffer(); // Read more data + continue; + } else if (MAD_RECOVERABLE(_stream.error)) { + debug(6, "MP3PSPStream: Recoverable error in mad_header_decode (%s)", mad_stream_errorstr(&_stream)); + continue; + } else { + warning("MP3PSPStream: Unrecoverable error in mad_header_decode (%s)", mad_stream_errorstr(&_stream)); + break; + } + } + + // Sum up the total playback time so far + mad_timer_add(&_totalTime, _header.duration); + break; + } + + if (_stream.error != MAD_ERROR_NONE) + _state = MP3_STATE_EOS; +} + +int Mp3PspStream::readBuffer(int16 *buffer, const int numSamples) { + DEBUG_ENTER_FUNC(); + + int samples = 0; +#ifdef PRINT_BUFFERS + int16 *debugBuffer = buffer; +#endif + + // Keep going as long as we have input available + while (samples < numSamples && _state != MP3_STATE_EOS) { + const int len = MIN(numSamples, samples + (int)(_pcmLength - _posInFrame) * MAD_NCHANNELS(&_header)); + + while (samples < len) { + *buffer++ = _pcmSamples[_posInFrame << 1]; + samples++; + if (MAD_NCHANNELS(&_header) == 2) { + *buffer++ = _pcmSamples[(_posInFrame << 1) + 1]; + samples++; + } + _posInFrame++; // always skip an extra sample since ME always outputs stereo + } + + //memcpy(buffer, &_pcmSamples[_posInFrame], len << 1); // 16 bits + //_posInFrame += len; // next time we start from the middle + + if (_posInFrame >= _pcmLength) { + // We used up all PCM data in the current frame -- read & decode more + decodeMP3Data(); + } + } + +#ifdef PRINT_BUFFERS + PSP_INFO_PRINT("buffer:\n"); + for (int i = 0; i<numSamples; i++) + PSP_INFO_PRINT("%d ", debugBuffer[i]); + PSP_INFO_PRINT("\n\n"); +#endif + + return samples; +} + +} // End of namespace Audio + + diff --git a/backends/platform/psp/mp3.h b/backends/platform/psp/mp3.h new file mode 100644 index 0000000000..f8802f930c --- /dev/null +++ b/backends/platform/psp/mp3.h @@ -0,0 +1,121 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + * + */ + +#ifndef SOUND_MP3_PSP_H +#define SOUND_MP3_PSP_H + +#include "common/types.h" +#include "common/scummsys.h" + +namespace Common { + class SeekableReadStream; +} + +namespace Audio { + +class AudioStream; +class SeekableAudioStream; + +class Mp3PspStream : public SeekableAudioStream { +protected: + enum State { + MP3_STATE_INIT, // Need to init the decoder + MP3_STATE_READY, // ready for processing data + MP3_STATE_EOS // end of data reached (may need to loop) + }; + + #define MAX_SAMPLES_PER_FRAME 2048 * 2 + int16 _pcmSamples[MAX_SAMPLES_PER_FRAME] __attribute__((aligned(64))); // samples to output PCM data into + byte _codecInBuffer[3072] __attribute__((aligned(64))); // the codec always needs alignment + unsigned long _codecParams[65]__attribute__((aligned(64))); // TODO: change to struct + + Common::SeekableReadStream *_inStream; + DisposeAfterUse::Flag _disposeAfterUse; + + uint32 _pcmLength; // how many pcm samples we have (/2 for mono) + + uint _posInFrame; // position in frame + State _state; // what state the stream is in + + Timestamp _length; + uint32 _sampleRate; + + mad_timer_t _totalTime; + mad_stream _stream; // + mad_header _header; // This is all we need from libmad + + static bool _decoderInit; // has the decoder been initialized + static bool _decoderFail; // has the decoder failed to load + + enum { + BUFFER_SIZE = 5 * 8192 + }; + + // This buffer contains a slab of input data + byte _buf[BUFFER_SIZE + MAD_BUFFER_GUARD]; + + void decodeMP3Data(); + void readMP3DataIntoBuffer(); + + static bool loadStartAudioModule(const char *modname, int partition); + int initStream(); + void findValidHeader(); + void deinitStream(); + + // to init and uninit ME decoder + static bool initDecoder(); + static bool stopDecoder(); + + // ME functions for stream + bool initStreamME(); + void releaseStreamME(); + +public: + Mp3PspStream(Common::SeekableReadStream *inStream, DisposeAfterUse::Flag dispose); + ~Mp3PspStream(); + + // This function avoids having to create streams when it's not possible + static inline bool isOkToCreateStream() { + if (_decoderFail) // fatal failure + return false; + if (!_decoderInit) // if we're not initialized + if (!initDecoder()) // check if we failed init + return false; + return true; + } + + int readBuffer(int16 *buffer, const int numSamples); + + bool endOfData() const { return _state == MP3_STATE_EOS; } + bool isStereo() const { return MAD_NCHANNELS(&_header) == 2; } + int getRate() const { return _header.samplerate; } + + bool seek(const Timestamp &where); + Timestamp getLength() const { return _length; } +}; + +} // End of namespace Audio + +#endif // #ifndef SOUND_MP3_PSP_H diff --git a/backends/platform/psp/psp.spec b/backends/platform/psp/psp.spec index debdab3208..ac325b7fd6 100644 --- a/backends/platform/psp/psp.spec +++ b/backends/platform/psp/psp.spec @@ -1,3 +1,3 @@ %rename lib old_lib *lib: -%(old_lib) -lz -lstdc++ -lc -lm -lpspprof -lpspvfpu -lpspdebug -lpspgu -lpspge -lpspdisplay -lpspctrl -lpspsdk -lpsputility -lpspuser -lpsppower -lpsphprm -lpsprtc -lpspaudio -lpspkernel +%(old_lib) -lz -lstdc++ -lc -lm -lpspprof -lpspvfpu -lpspdebug -lpspgu -lpspge -lpspdisplay -lpspctrl -lpspsdk -lpsputility -lpspuser -lpsppower -lpsphprm -lpsprtc -lpspaudio -lpspaudiocodec -lpspkernel |