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extern/audaspace/src/file/FileWriter.cpp
- This file was added.
| /******************************************************************************* | |||||
| * Copyright 2009-2016 Jörg Müller | |||||
| * | |||||
| * Licensed under the Apache License, Version 2.0 (the "License"); | |||||
| * you may not use this file except in compliance with the License. | |||||
| * You may obtain a copy of the License at | |||||
| * | |||||
| * http://www.apache.org/licenses/LICENSE-2.0 | |||||
| * | |||||
| * Unless required by applicable law or agreed to in writing, software | |||||
| * distributed under the License is distributed on an "AS IS" BASIS, | |||||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |||||
| * See the License for the specific language governing permissions and | |||||
| * limitations under the License. | |||||
| ******************************************************************************/ | |||||
| #include "file/FileWriter.h" | |||||
| #include "file/FileManager.h" | |||||
| #include "util/Buffer.h" | |||||
| #include "IReader.h" | |||||
| #include "Exception.h" | |||||
| AUD_NAMESPACE_BEGIN | |||||
| std::shared_ptr<IWriter> FileWriter::createWriter(std::string filename,DeviceSpecs specs, Container format, Codec codec, unsigned int bitrate) | |||||
| { | |||||
| return FileManager::createWriter(filename, specs, format, codec, bitrate); | |||||
| } | |||||
| void FileWriter::writeReader(std::shared_ptr<IReader> reader, std::shared_ptr<IWriter> writer, unsigned int length, unsigned int buffersize) | |||||
| { | |||||
| Buffer buffer(buffersize * AUD_SAMPLE_SIZE(writer->getSpecs())); | |||||
| sample_t* buf = buffer.getBuffer(); | |||||
| int len; | |||||
| bool eos = false; | |||||
| int channels = writer->getSpecs().channels; | |||||
| for(unsigned int pos = 0; ((pos < length) || (length <= 0)) && !eos; pos += len) | |||||
| { | |||||
| len = buffersize; | |||||
| if((len > length - pos) && (length > 0)) | |||||
| len = length - pos; | |||||
| reader->read(len, eos, buf); | |||||
| for(int i = 0; i < len * channels; i++) | |||||
| { | |||||
| // clamping! | |||||
| if(buf[i] > 1) | |||||
| buf[i] = 1; | |||||
| else if(buf[i] < -1) | |||||
| buf[i] = -1; | |||||
| } | |||||
| writer->write(len, buf); | |||||
| } | |||||
| } | |||||
| void FileWriter::writeReader(std::shared_ptr<IReader> reader, std::vector<std::shared_ptr<IWriter> >& writers, unsigned int length, unsigned int buffersize) | |||||
| { | |||||
| Buffer buffer(buffersize * AUD_SAMPLE_SIZE(reader->getSpecs())); | |||||
| Buffer buffer2(buffersize * sizeof(sample_t)); | |||||
| sample_t* buf = buffer.getBuffer(); | |||||
| sample_t* buf2 = buffer2.getBuffer(); | |||||
| int len; | |||||
| bool eos = false; | |||||
| int channels = reader->getSpecs().channels; | |||||
| for(unsigned int pos = 0; ((pos < length) || (length <= 0)) && !eos; pos += len) | |||||
| { | |||||
| len = buffersize; | |||||
| if((len > length - pos) && (length > 0)) | |||||
| len = length - pos; | |||||
| reader->read(len, eos, buf); | |||||
| for(int channel = 0; channel < channels; channel++) | |||||
| { | |||||
| for(int i = 0; i < len; i++) | |||||
| { | |||||
| // clamping! | |||||
| if(buf[i * channels + channel] > 1) | |||||
| buf2[i] = 1; | |||||
| else if(buf[i * channels + channel] < -1) | |||||
| buf2[i] = -1; | |||||
| else | |||||
| buf2[i] = buf[i * channels + channel]; | |||||
| } | |||||
| writers[channel]->write(len, buf2); | |||||
| } | |||||
| } | |||||
| } | |||||
| AUD_NAMESPACE_END | |||||