tibia-client/src/framework/sound/oggsoundfile.cpp

117 lines
3.3 KiB
C++

/*
* Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "oggsoundfile.h"
OggSoundFile::OggSoundFile(const FileStreamPtr& fileStream) : SoundFile(fileStream)
{
memset(&m_vorbisFile, 0, sizeof(m_vorbisFile));
}
OggSoundFile::~OggSoundFile()
{
ov_clear(&m_vorbisFile);
}
bool OggSoundFile::prepareOgg()
{
ov_callbacks callbacks = { cb_read, cb_seek, cb_close, cb_tell };
ov_open_callbacks(m_file.get(), &m_vorbisFile, 0, 0, callbacks);
vorbis_info* vi = ov_info(&m_vorbisFile, -1);
if(!vi) {
logError("ogg file not supported: ", m_file->name());
return false;
}
m_channels = vi->channels;
m_rate = vi->rate;
m_bps = 16;
m_size = ov_pcm_total(&m_vorbisFile, -1) * 2;
return true;
}
int OggSoundFile::read(void *buffer, int bufferSize)
{
char* bytesBuffer = reinterpret_cast<char*>(buffer);
int section = 0;
size_t totalBytesRead = 0;
while(bufferSize > 0) {
size_t bytesToRead = bufferSize;
long bytesRead = ov_read(&m_vorbisFile, bytesBuffer, bytesToRead, 0, 2, 1, &section);
if(bytesRead == 0)
break;
bufferSize -= bytesRead;
bytesBuffer += bytesRead;
totalBytesRead += bytesRead;
}
return totalBytesRead;
}
void OggSoundFile::reset()
{
ov_pcm_seek(&m_vorbisFile, 0);
}
size_t OggSoundFile::cb_read(void* ptr, size_t size, size_t nmemb, void* source)
{
FileStream *file = static_cast<FileStream*>(source);
return file->read(ptr, size, nmemb);
}
int OggSoundFile::cb_seek(void* source, ogg_int64_t offset, int whence)
{
FileStream *file = static_cast<FileStream*>(source);
switch(whence) {
case SEEK_SET:
if(file->seek(offset))
return 0;
break;
case SEEK_CUR:
if(file->seek(file->tell() + offset))
return 0;
break;
case SEEK_END:
if(file->seek(file->size() + offset))
return 0;
break;
}
return -1;
}
int OggSoundFile::cb_close(void* source)
{
FileStream *file = static_cast<FileStream*>(source);
file->close();
return 0;
}
long OggSoundFile::cb_tell(void* source)
{
FileStream *file = static_cast<FileStream*>(source);
return file->tell();
}