diff options
Diffstat (limited to 'extern/audaspace/plugins/libsndfile/SndFileWriter.cpp')
| -rw-r--r-- | extern/audaspace/plugins/libsndfile/SndFileWriter.cpp | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/extern/audaspace/plugins/libsndfile/SndFileWriter.cpp b/extern/audaspace/plugins/libsndfile/SndFileWriter.cpp new file mode 100644 index 00000000000..d2ab117132d --- /dev/null +++ b/extern/audaspace/plugins/libsndfile/SndFileWriter.cpp @@ -0,0 +1,128 @@ +/******************************************************************************* + * 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 |