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Diffstat (limited to 'extern/audaspace/plugins/ffmpeg/FFMPEGWriter.h')
-rw-r--r-- | extern/audaspace/plugins/ffmpeg/FFMPEGWriter.h | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/extern/audaspace/plugins/ffmpeg/FFMPEGWriter.h b/extern/audaspace/plugins/ffmpeg/FFMPEGWriter.h new file mode 100644 index 00000000000..690185deb64 --- /dev/null +++ b/extern/audaspace/plugins/ffmpeg/FFMPEGWriter.h @@ -0,0 +1,145 @@ +/******************************************************************************* + * 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. + ******************************************************************************/ + +#pragma once + +#ifdef FFMPEG_PLUGIN +#define AUD_BUILD_PLUGIN +#endif + +/** + * @file FFMPEGWriter.h + * @ingroup plugin + * The FFMPEGWriter class. + */ + +#include "respec/ConverterFunctions.h" +#include "util/Buffer.h" +#include "file/IWriter.h" + +#include <string> + +struct AVCodecContext; +extern "C" { +#include <libavformat/avformat.h> +} + +AUD_NAMESPACE_BEGIN + +/** + * This class writes a sound file via ffmpeg. + */ +class AUD_PLUGIN_API FFMPEGWriter : public IWriter +{ +private: + /** + * The current position in samples. + */ + int m_position; + + /** + * The specification of the audio data. + */ + DeviceSpecs m_specs; + + /** + * The AVFormatContext structure for using ffmpeg. + */ + AVFormatContext* m_formatCtx; + + /** + * The AVCodecContext structure for using ffmpeg. + */ + AVCodecContext* m_codecCtx; + + /** + * The AVOutputFormat structure for using ffmpeg. + */ + AVOutputFormat* m_outputFmt; + + /** + * The AVStream structure for using ffmpeg. + */ + AVStream* m_stream; + + /** + * The input buffer for the format converted data before encoding. + */ + Buffer m_input_buffer; + + /** + * The buffer used for deinterleaving. + */ + Buffer m_deinterleave_buffer; + + /** + * The count of input samples we have so far. + */ + unsigned int m_input_samples; + + /** + * The count of input samples necessary to encode a packet. + */ + unsigned int m_input_size; + + /** + * Whether the ouput has to be deinterleaved before writing. + */ + bool m_deinterleave; + + /** + * Converter function. + */ + convert_f m_convert; + + // delete copy constructor and operator= + FFMPEGWriter(const FFMPEGWriter&) = delete; + FFMPEGWriter& operator=(const FFMPEGWriter&) = delete; + + /** + * Encodes to the output buffer. + */ + AUD_LOCAL void encode(); + + /** + * Finishes writing to the file. + */ + AUD_LOCAL void close(); + +public: + /** + * Creates a new writer. + * \param filename The path to the file to be read. + * \param specs The file's audio specification. + * \param format The file's container format. + * \param codec The codec used for encoding the audio data. + * \param bitrate The bitrate for encoding. + * \exception Exception Thrown if the file specified does not exist or + * cannot be read with ffmpeg. + */ + FFMPEGWriter(std::string filename, DeviceSpecs specs, Container format, Codec codec, unsigned int bitrate); + + /** + * Destroys the writer and closes the file. + */ + virtual ~FFMPEGWriter(); + + virtual int getPosition() const; + virtual DeviceSpecs getSpecs() const; + virtual void write(unsigned int length, sample_t* buffer); +}; + +AUD_NAMESPACE_END |