mirror of
https://github.com/Fledge68/WiiFlow_Lite.git
synced 2024-12-17 23:41:53 +01:00
261 lines
6.7 KiB
C++
261 lines
6.7 KiB
C++
/***************************************************************************
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* Copyright (C) 2010
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* by Dimok
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any
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* damages arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any
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* purpose, including commercial applications, and to alter it and
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* redistribute it freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you
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* must not claim that you wrote the original software. If you use
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* this software in a product, an acknowledgment in the product
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* documentation would be appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and
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* must not be misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source
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* distribution.
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*
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* for WiiXplorer 2010
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***************************************************************************/
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#include <unistd.h>
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#include "SoundHandler.hpp"
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#include "Mp3Decoder.hpp"
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#include "OggDecoder.hpp"
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#include "WavDecoder.hpp"
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#include "AifDecoder.hpp"
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#include "BNSDecoder.hpp"
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#include "gecko/gecko.hpp"
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#include "memory/mem2.hpp"
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SoundHandler SoundHandle;
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void SoundHandler::Init()
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{
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Decoding = false;
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ExitRequested = false;
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for(u32 i = 0; i < MAX_DECODERS; ++i)
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DecoderList[i] = NULL;
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ThreadStack = (u8 *)MEM2_memalign(32, 32768);
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if(!ThreadStack)
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return;
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LWP_CreateThread(&SoundThread, UpdateThread, this, ThreadStack, 32768, LWP_PRIO_HIGHEST);
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gprintf("SHND: Running sound thread\n");
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}
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void SoundHandler::Cleanup()
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{
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gprintf("SHND: Stopping sound thread\n");
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ExitRequested = true;
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ThreadSignal();
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LWP_JoinThread(SoundThread, NULL);
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SoundThread = LWP_THREAD_NULL;
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if(ThreadStack != NULL)
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{
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MEM2_free(ThreadStack);
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ThreadStack = NULL;
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}
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ClearDecoderList();
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gprintf("SHND: Stopped sound thread\n");
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}
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void SoundHandler::AddDecoder(int voice, const char * filepath)
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{
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if(voice < 0 || voice >= MAX_DECODERS)
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return;
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if(DecoderList[voice] != NULL)
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RemoveDecoder(voice);
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DecoderList[voice] = GetSoundDecoder(filepath);
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}
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void SoundHandler::AddDecoder(int voice, const u8 * snd, int len)
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{
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if(voice < 0 || voice >= MAX_DECODERS)
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{
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gprintf("SoundHandler: Invalid voice!\n");
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return;
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}
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if(snd == NULL || len == 0)
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{
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gprintf("SoundHandler: Invalid sound!\n");
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return;
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}
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if(DecoderList[voice] != NULL)
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RemoveDecoder(voice);
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DecoderList[voice] = GetSoundDecoder(snd, len);
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}
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void SoundHandler::RemoveDecoder(int voice)
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{
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if(voice < 0 || voice >= MAX_DECODERS)
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return;
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if(DecoderList[voice] != NULL)
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{
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(*DecoderList[voice]).ClearBuffer();
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if(DecoderList[voice]->GetSoundType() == SOUND_OGG)
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delete((OggDecoder *)DecoderList[voice]);
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else if(DecoderList[voice]->GetSoundType() == SOUND_MP3)
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delete((Mp3Decoder *)DecoderList[voice]);
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else if(DecoderList[voice]->GetSoundType() == SOUND_WAV)
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delete((WavDecoder *)DecoderList[voice]);
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else if(DecoderList[voice]->GetSoundType() == SOUND_AIF)
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delete((AifDecoder *)DecoderList[voice]);
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else if(DecoderList[voice]->GetSoundType() == SOUND_BNS)
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delete((BNSDecoder *)DecoderList[voice]);
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else
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delete DecoderList[voice];
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DecoderList[voice] = NULL;
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}
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}
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void SoundHandler::ClearDecoderList()
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{
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for(u32 i = 0; i < MAX_DECODERS; ++i)
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RemoveDecoder(i);
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}
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static inline bool CheckMP3Signature(const u8 * buffer)
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{
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const char MP3_Magic[][3] =
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{
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{'I', 'D', '3'}, //'ID3'
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{0xff, 0xfe}, //'MPEG ADTS, layer III, v1.0 [protected]', 'mp3', 'audio/mpeg'),
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{0xff, 0xff}, //'MPEG ADTS, layer III, v1.0', 'mp3', 'audio/mpeg'),
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{0xff, 0xfa}, //'MPEG ADTS, layer III, v1.0 [protected]', 'mp3', 'audio/mpeg'),
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{0xff, 0xfb}, //'MPEG ADTS, layer III, v1.0', 'mp3', 'audio/mpeg'),
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{0xff, 0xf2}, //'MPEG ADTS, layer III, v2.0 [protected]', 'mp3', 'audio/mpeg'),
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{0xff, 0xf3}, //'MPEG ADTS, layer III, v2.0', 'mp3', 'audio/mpeg'),
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{0xff, 0xf4}, //'MPEG ADTS, layer III, v2.0 [protected]', 'mp3', 'audio/mpeg'),
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{0xff, 0xf5}, //'MPEG ADTS, layer III, v2.0', 'mp3', 'audio/mpeg'),
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{0xff, 0xf6}, //'MPEG ADTS, layer III, v2.0 [protected]', 'mp3', 'audio/mpeg'),
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{0xff, 0xf7}, //'MPEG ADTS, layer III, v2.0', 'mp3', 'audio/mpeg'),
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{0xff, 0xe2}, //'MPEG ADTS, layer III, v2.5 [protected]', 'mp3', 'audio/mpeg'),
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{0xff, 0xe3}, //'MPEG ADTS, layer III, v2.5', 'mp3', 'audio/mpeg'),
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};
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if(buffer[0] == MP3_Magic[0][0] && buffer[1] == MP3_Magic[0][1] &&
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buffer[2] == MP3_Magic[0][2])
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{
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return true;
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}
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for(int i = 1; i < 13; i++)
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{
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if(buffer[0] == MP3_Magic[i][0] && buffer[1] == MP3_Magic[i][1])
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return true;
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}
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return false;
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}
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SoundDecoder * SoundHandler::GetSoundDecoder(const char * filepath)
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{
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u32 magic;
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CFile f(filepath, "rb");
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if(f.size() == 0)
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return NULL;
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do
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{
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f.read((u8 *) &magic, 1);
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}
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while(((u8 *) &magic)[0] == 0 && f.tell() < f.size());
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if(f.tell() == f.size())
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return NULL;
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f.seek(f.tell()-1, SEEK_SET);
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f.read((u8 *) &magic, 4);
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f.close();
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/* gprintf("SHND: Searching decoder for magic\n");
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ghexdump((u8 *) &magic, 4); */
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if(memcmp(&magic, "OggS", 4) == 0)
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return new OggDecoder(filepath);
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else if(memcmp(&magic, "RIFF", 4) == 0)
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return new WavDecoder(filepath);
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else if(memcmp(&magic, "BNS ", 4) == 0)
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return new BNSDecoder(filepath);
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else if(memcmp(&magic, "FORM", 4) == 0)
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return new AifDecoder(filepath);
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else if(CheckMP3Signature((u8 *) &magic) == true)
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return new Mp3Decoder(filepath);
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return new SoundDecoder(filepath);
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}
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SoundDecoder * SoundHandler::GetSoundDecoder(const u8 * sound, int length)
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{
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const u8 * check = sound;
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int counter = 0;
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while(check[0] == 0 && counter < length)
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{
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check++;
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counter++;
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}
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if(counter >= length)
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return NULL;
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u32 * magic = (u32 *)check;
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if(memcmp(&magic[0], "OggS", 4) == 0)
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return new OggDecoder(sound, length);
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else if(memcmp(&magic[0], "RIFF", 4) == 0)
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return new WavDecoder(sound, length);
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else if(memcmp(&magic[0], "BNS ", 4) == 0)
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return new BNSDecoder(sound, length);
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else if(memcmp(&magic[0], "FORM", 4) == 0)
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return new AifDecoder(sound, length);
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else if(CheckMP3Signature(check) == true)
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return new Mp3Decoder(sound, length);
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return new SoundDecoder(sound, length);
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}
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void * SoundHandler::UpdateThread(void *arg)
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{
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((SoundHandler *) arg)->InternalSoundUpdates();
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return NULL;
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}
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void SoundHandler::InternalSoundUpdates()
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{
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u16 i = 0;
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LWP_InitQueue(&ThreadQueue);
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while(!ExitRequested)
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{
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LWP_ThreadSleep(ThreadQueue);
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for(i = 0; i < MAX_DECODERS; ++i)
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{
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if(DecoderList[i] == NULL)
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continue;
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Decoding = true;
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DecoderList[i]->Decode();
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}
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Decoding = false;
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}
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LWP_CloseQueue(ThreadQueue);
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ThreadQueue = LWP_TQUEUE_NULL;
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}
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