You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
114 lines
3.3 KiB
114 lines
3.3 KiB
/*
|
|
* Copyright (c) 2010-2014 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) {
|
|
g_logger.error(stdext::format("ogg file not supported: %s", m_file->name()));
|
|
return false;
|
|
}
|
|
|
|
m_channels = vi->channels;
|
|
m_rate = vi->rate;
|
|
m_bps = 16;
|
|
m_size = ov_pcm_total(&m_vorbisFile, -1) * (m_bps/8) * m_channels;
|
|
|
|
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, §ion);
|
|
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:
|
|
file->seek(offset);
|
|
return 0;
|
|
case SEEK_CUR:
|
|
file->seek(file->tell() + offset);
|
|
return 0;
|
|
case SEEK_END:
|
|
file->seek(file->size() + offset);
|
|
return 0;
|
|
}
|
|
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();
|
|
}
|