129 lines
3.3 KiB
C++
129 lines
3.3 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 <malloc.h>
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#include <coreinit/time.h>
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#include <coreinit/thread.h>
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#include <gui/sounds/OggDecoder.hpp>
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#include "fs/CFile.hpp"
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static int ogg_read(void *punt, int bytes, int blocks, int *f) {
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return ((CFile *) f)->read((uint8_t *) punt, bytes * blocks);
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}
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static int ogg_seek(int *f, ogg_int64_t offset, int mode) {
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return ((CFile *) f)->seek((uint64_t) offset, mode);
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}
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static int ogg_close(int *f) {
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((CFile *) f)->close();
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return 0;
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}
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static long ogg_tell(int *f) {
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return (long) ((CFile *) f)->tell();
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}
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static ov_callbacks callbacks = {
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(size_t (*)(void *, size_t, size_t, void *)) ogg_read,
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(int (*)(void *, ogg_int64_t, int)) ogg_seek,
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(int (*)(void *)) ogg_close,
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(long (*)(void *)) ogg_tell
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};
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OggDecoder::OggDecoder(const char *filepath)
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: SoundDecoder(filepath) {
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SoundType = SOUND_OGG;
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if (!file_fd)
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return;
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OpenFile();
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}
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OggDecoder::OggDecoder(const uint8_t *snd, int32_t len)
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: SoundDecoder(snd, len) {
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SoundType = SOUND_OGG;
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if (!file_fd)
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return;
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OpenFile();
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}
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OggDecoder::~OggDecoder() {
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ExitRequested = true;
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while (Decoding)
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OSSleepTicks(OSMicrosecondsToTicks(100));
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if (file_fd)
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ov_clear(&ogg_file);
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}
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void OggDecoder::OpenFile() {
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if (ov_open_callbacks(file_fd, &ogg_file, NULL, 0, callbacks) < 0) {
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delete file_fd;
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file_fd = NULL;
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return;
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}
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ogg_info = ov_info(&ogg_file, -1);
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if (!ogg_info) {
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ov_clear(&ogg_file);
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delete file_fd;
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file_fd = NULL;
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return;
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}
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Format = ((ogg_info->channels == 2) ? (FORMAT_PCM_16_BIT | CHANNELS_STEREO) : (FORMAT_PCM_16_BIT | CHANNELS_MONO));
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SampleRate = ogg_info->rate;
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}
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int32_t OggDecoder::Rewind() {
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if (!file_fd)
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return -1;
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int32_t ret = ov_time_seek(&ogg_file, 0);
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CurPos = 0;
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EndOfFile = false;
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return ret;
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}
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int32_t OggDecoder::Read(uint8_t *buffer, int32_t buffer_size, int32_t pos) {
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if (!file_fd)
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return -1;
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int32_t bitstream = 0;
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int32_t read = (int32_t) ov_read(&ogg_file, (char *) buffer, (int) buffer_size, (int *) &bitstream);
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if (read > 0)
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CurPos += read;
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return read;
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}
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