/*************************************************************************** * Copyright (C) 2010 * by Dimok * * This software is provided 'as-is', without any express or implied * warranty. In no event will the authors be held liable for any * damages arising from the use of this software. * * Permission is granted to anyone to use this software for any * purpose, including commercial applications, and to alter it and * redistribute it freely, subject to the following restrictions: * * 1. The origin of this software must not be misrepresented; you * must not claim that you wrote the original software. If you use * this software in a product, an acknowledgment in the product * documentation would be appreciated but is not required. * * 2. Altered source versions must be plainly marked as such, and * must not be misrepresented as being the original software. * * 3. This notice may not be removed or altered from any source * distribution. * * for WiiXplorer 2010 ***************************************************************************/ #include <unistd.h> #include <malloc.h> #include "OggDecoder.hpp" extern "C" int ogg_read(void * punt, int bytes, int blocks, int *f) { return ((CFile *) f)->read((u8 *) punt, bytes*blocks); } extern "C" int ogg_seek(int *f, ogg_int64_t offset, int mode) { return ((CFile *) f)->seek((u64) offset, mode); } extern "C" int ogg_close(int *f) { ((CFile *) f)->close(); return 0; } extern "C" long ogg_tell(int *f) { return (long) ((CFile *) f)->tell(); } static ov_callbacks callbacks = { (size_t (*)(void *, size_t, size_t, void *)) ogg_read, (int (*)(void *, ogg_int64_t, int)) ogg_seek, (int (*)(void *)) ogg_close, (long (*)(void *)) ogg_tell }; OggDecoder::OggDecoder(const char * filepath) : SoundDecoder(filepath) { SoundType = SOUND_OGG; if(!file_fd) return; OpenFile(); } OggDecoder::OggDecoder(const u8 * snd, int len) : SoundDecoder(snd, len) { SoundType = SOUND_OGG; if(!file_fd) return; OpenFile(); } OggDecoder::~OggDecoder() { ExitRequested = true; while(Decoding) usleep(100); if(file_fd) ov_clear(&ogg_file); } void OggDecoder::OpenFile() { if (ov_open_callbacks(file_fd, &ogg_file, NULL, 0, callbacks) < 0) { delete file_fd; file_fd = NULL; return; } ogg_info = ov_info(&ogg_file, -1); Decode(); } int OggDecoder::GetFormat() { if(!file_fd) return VOICE_STEREO_16BIT; return ((ogg_info->channels == 2) ? VOICE_STEREO_16BIT : VOICE_MONO_16BIT); } int OggDecoder::GetSampleRate() { if(!file_fd) return 0; return (int) ogg_info->rate; } int OggDecoder::Rewind() { if(!file_fd) return -1; int ret = ov_time_seek(&ogg_file, 0); CurPos = 0; EndOfFile = false; return ret; } int OggDecoder::Read(u8 * buffer, int buffer_size, int) { if(!file_fd) return -1; int bitstream = 0; int read = ov_read(&ogg_file, (char *) buffer, buffer_size, &bitstream); if(read > 0) CurPos += read; return read; }