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extern/audaspace/plugins/libsndfile/SndFileWriter.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 "SndFileWriter.h" | |||||
| #include "Exception.h" | |||||
| #include <cstring> | |||||
| AUD_NAMESPACE_BEGIN | |||||
| SndFileWriter::SndFileWriter(std::string filename, DeviceSpecs specs, | |||||
| Container format, Codec codec, unsigned int bitrate) : | |||||
| m_position(0), m_specs(specs) | |||||
| { | |||||
| SF_INFO sfinfo; | |||||
| sfinfo.channels = specs.channels; | |||||
| sfinfo.samplerate = int(specs.rate); | |||||
| switch(format) | |||||
| { | |||||
| case CONTAINER_FLAC: | |||||
| sfinfo.format = SF_FORMAT_FLAC; | |||||
| switch(specs.format) | |||||
| { | |||||
| case FORMAT_S16: | |||||
| sfinfo.format |= SF_FORMAT_PCM_16; | |||||
| break; | |||||
| case FORMAT_S24: | |||||
| sfinfo.format |= SF_FORMAT_PCM_24; | |||||
| break; | |||||
| case FORMAT_S32: | |||||
| sfinfo.format |= SF_FORMAT_PCM_32; | |||||
| break; | |||||
| case FORMAT_FLOAT32: | |||||
| sfinfo.format |= SF_FORMAT_FLOAT; | |||||
| break; | |||||
| case FORMAT_FLOAT64: | |||||
| sfinfo.format |= SF_FORMAT_DOUBLE; | |||||
| break; | |||||
| default: | |||||
| sfinfo.format = 0; | |||||
| break; | |||||
| } | |||||
| break; | |||||
| case CONTAINER_OGG: | |||||
| if(codec == CODEC_VORBIS) | |||||
| sfinfo.format = SF_FORMAT_OGG | SF_FORMAT_VORBIS; | |||||
| else | |||||
| sfinfo.format = 0; | |||||
| break; | |||||
| case CONTAINER_WAV: | |||||
| sfinfo.format = SF_FORMAT_WAV; | |||||
| switch(specs.format) | |||||
| { | |||||
| case FORMAT_U8: | |||||
| sfinfo.format |= SF_FORMAT_PCM_U8; | |||||
| break; | |||||
| case FORMAT_S16: | |||||
| sfinfo.format |= SF_FORMAT_PCM_16; | |||||
| break; | |||||
| case FORMAT_S24: | |||||
| sfinfo.format |= SF_FORMAT_PCM_24; | |||||
| break; | |||||
| case FORMAT_S32: | |||||
| sfinfo.format |= SF_FORMAT_PCM_32; | |||||
| break; | |||||
| case FORMAT_FLOAT32: | |||||
| sfinfo.format |= SF_FORMAT_FLOAT; | |||||
| break; | |||||
| case FORMAT_FLOAT64: | |||||
| sfinfo.format |= SF_FORMAT_DOUBLE; | |||||
| break; | |||||
| default: | |||||
| sfinfo.format = 0; | |||||
| break; | |||||
| } | |||||
| break; | |||||
| default: | |||||
| sfinfo.format = 0; | |||||
| break; | |||||
| } | |||||
| if(sfinfo.format == 0) | |||||
| AUD_THROW(FileException, "This format couldn't be written with libsndfile."); | |||||
| m_sndfile = sf_open(filename.c_str(), SFM_WRITE, &sfinfo); | |||||
| if(!m_sndfile) | |||||
| AUD_THROW(FileException, "The file couldn't be written with libsndfile."); | |||||
| } | |||||
| SndFileWriter::~SndFileWriter() | |||||
| { | |||||
| sf_close(m_sndfile); | |||||
| } | |||||
| int SndFileWriter::getPosition() const | |||||
| { | |||||
| return m_position; | |||||
| } | |||||
| DeviceSpecs SndFileWriter::getSpecs() const | |||||
| { | |||||
| return m_specs; | |||||
| } | |||||
| void SndFileWriter::write(unsigned int length, sample_t* buffer) | |||||
| { | |||||
| length = sf_writef_float(m_sndfile, buffer, length); | |||||
| m_position += length; | |||||
| } | |||||
| AUD_NAMESPACE_END | |||||