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Diffstat (limited to 'backends/platform/psp/audio.cpp')
| -rw-r--r-- | backends/platform/psp/audio.cpp | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/backends/platform/psp/audio.cpp b/backends/platform/psp/audio.cpp deleted file mode 100644 index bf1fb9ab41..0000000000 --- a/backends/platform/psp/audio.cpp +++ /dev/null @@ -1,181 +0,0 @@ -/* 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: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/trunk/backends/platform/psp/osys_psp.cpp $ - * $Id: osys_psp.cpp 46126 2009-11-24 14:18:46Z fingolfin $ - * - */ - -#include <pspthreadman.h> -#include <pspaudio.h> - -#include "common/scummsys.h" -#include "backends/platform/psp/audio.h" -#include "backends/platform/psp/thread.h" - -//#define __PSP_DEBUG_FUNCS__ /* For debugging function calls */ -//#define __PSP_DEBUG_PRINT__ /* For debug printouts */ - -#include "backends/platform/psp/trace.h" - -bool PspAudio::open(uint32 freq, uint32 numOfChannels, uint32 numOfSamples, callbackFunc callback, void *userData) { - DEBUG_ENTER_FUNC(); - if (_init) { - PSP_ERROR("audio device already initialized\n"); - return true; - } - - PSP_DEBUG_PRINT("freq[%d], numOfChannels[%d], numOfSamples[%d], callback[%p], userData[%x]\n", - freq, numOfChannels, numOfSamples, callback, (uint32)userData); - - numOfSamples = PSP_AUDIO_SAMPLE_ALIGN(numOfSamples); - uint32 bufLen = numOfSamples * numOfChannels * NUM_BUFFERS * sizeof(uint16); - - PSP_DEBUG_PRINT("total buffer size[%d]\n", bufLen); - - _buffers[0] = (byte *)memalign(64, bufLen); - if (!_buffers[0]) { - PSP_ERROR("failed to allocate memory for audio buffers\n"); - return false; - } - memset(_buffers[0], 0, bufLen); // clean the buffer - - // Fill in the rest of the buffer pointers - byte *pBuffer = _buffers[0]; - for (int i = 1; i < NUM_BUFFERS; i++) { - pBuffer += numOfSamples * numOfChannels * sizeof(uint16); - _buffers[i] = pBuffer; - } - - // Reserve a HW channel for our audio - _pspChannel = sceAudioChReserve(PSP_AUDIO_NEXT_CHANNEL, numOfSamples, numOfChannels == 2 ? PSP_AUDIO_FORMAT_STEREO : PSP_AUDIO_FORMAT_MONO); - if (_pspChannel < 0) { - PSP_ERROR("failed to reserve audio channel\n"); - return false; - } - - PSP_DEBUG_PRINT("reserved channel[%d] for audio\n", _pspChannel); - - // Save our data - _numOfChannels = numOfChannels; - _numOfSamples = numOfSamples; - _bufferSize = numOfSamples * numOfChannels * sizeof(uint16); // should be the right size to send the app - _callback = callback; - _userData = userData; - _bufferToFill = 0; - _bufferToPlay = 0; - - _init = true; - _paused = true; // start in paused mode - - createThread(); - - return true; -} - -bool PspAudio::createThread() { - DEBUG_ENTER_FUNC(); - int threadId = sceKernelCreateThread("audioThread", thread, PRIORITY_AUDIO_THREAD, STACK_AUDIO_THREAD, THREAD_ATTR_USER, 0); - - if (threadId < 0) { // error - PSP_ERROR("failed to create audio thread. Error code %d\n", threadId); - return false; - } - - PspAudio *_this = this; // trick to get into context when the thread starts - - if (sceKernelStartThread(threadId, sizeof(uint32 *), &_this) < 0) { - PSP_ERROR("failed to start thread %d\n", threadId); - return false; - } - - PSP_DEBUG_PRINT("created audio thread[%x]\n", threadId); - - return true; -} - -// Static function to be called upon thread startup. Will call a non-static function -int PspAudio::thread(SceSize, void *__this) { - DEBUG_ENTER_FUNC(); - PspAudio *_this = *(PspAudio **)__this; // get our this for the context - - _this->audioThread(); - return 0; -}; - -// The real thread function -void PspAudio::audioThread() { - assert(_callback); - PSP_DEBUG_PRINT_FUNC("audio thread started\n"); - - while (_init) { // Keep looping so long as we haven't been told to stop - if (_paused) - PSP_DEBUG_PRINT("audio thread paused\n"); - while (_paused) { // delay until we stop pausing - sceKernelDelayThread(100000); // 100ms - if (!_paused) - PSP_DEBUG_PRINT("audio thread unpaused\n"); - } - - PSP_DEBUG_PRINT("remaining samples[%d]\n", remainingSamples); - - PSP_DEBUG_PRINT("filling buffer[%d]\n", _bufferToFill); - _callback(_userData, _buffers[_bufferToFill], _bufferSize); // ask mixer to fill in - nextBuffer(_bufferToFill); - - PSP_DEBUG_PRINT("playing buffer[%d].\n", _bufferToPlay); - playBuffer(); - nextBuffer(_bufferToPlay); - } // while _init - - // destroy everything - free(_buffers[0]); - sceAudioChRelease(_pspChannel); - PSP_DEBUG_PRINT("audio thread exiting. ****************************\n"); -} - -// Much faster than using % -inline void PspAudio::nextBuffer(int &bufferIdx) { - DEBUG_ENTER_FUNC(); - bufferIdx++; - if (bufferIdx >= NUM_BUFFERS) - bufferIdx = 0; -} - -// Don't do it with blocking -inline bool PspAudio::playBuffer() { - DEBUG_ENTER_FUNC(); - int ret; - if (_numOfChannels == 1) - ret = sceAudioOutputBlocking(_pspChannel, PSP_AUDIO_VOLUME_MAX, _buffers[_bufferToPlay]); - else - ret = sceAudioOutputPannedBlocking(_pspChannel, PSP_AUDIO_VOLUME_MAX, PSP_AUDIO_VOLUME_MAX, _buffers[_bufferToPlay]); - - if (ret < 0) { - PSP_ERROR("failed to output audio. Error[%d]\n", ret); - return false; - } - return true; -} - -void PspAudio::close() { - PSP_DEBUG_PRINT("close had been called ***************\n"); - _init = false; -} |