diff options
author | Joerg Mueller <nexyon@gmail.com> | 2011-08-06 21:57:20 +0400 |
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committer | Joerg Mueller <nexyon@gmail.com> | 2011-08-06 21:57:20 +0400 |
commit | c334bf69a7282254bb80bb2896bd8716930a4adf (patch) | |
tree | 08291f87da9ba64b80c881d704cf251b884ba7c2 /intern/audaspace/ffmpeg/AUD_FFMPEGWriter.h | |
parent | e73cf35f4ad470d553540d6adbe89af5cc0c1f4f (diff) |
3D Audio GSoC:
Mixdown functionality.
* Mixdown possible via libsndfile and ffmpeg!
* Fixed some ffmpeg deprecation warnings
* Mixdown UI only shows working Container, Codec and Format combinations!
* Minor bugs and warnings fixed
Diffstat (limited to 'intern/audaspace/ffmpeg/AUD_FFMPEGWriter.h')
-rw-r--r-- | intern/audaspace/ffmpeg/AUD_FFMPEGWriter.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/intern/audaspace/ffmpeg/AUD_FFMPEGWriter.h b/intern/audaspace/ffmpeg/AUD_FFMPEGWriter.h new file mode 100644 index 00000000000..618ec9402ce --- /dev/null +++ b/intern/audaspace/ffmpeg/AUD_FFMPEGWriter.h @@ -0,0 +1,114 @@ +/* + * $Id$ + * + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * Copyright 2009-2011 Jörg Hermann Müller + * + * This file is part of AudaSpace. + * + * Audaspace is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * AudaSpace is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Audaspace; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file audaspace/ffmpeg/AUD_FFMPEGWriter.h + * \ingroup audffmpeg + */ + + +#ifndef AUD_FFMPEGWRITER +#define AUD_FFMPEGWRITER + +#include "AUD_ConverterFunctions.h" +#include "AUD_Buffer.h" +#include "AUD_IWriter.h" + +#include <string> + +struct AVCodecContext; +extern "C" { +#include <libavformat/avformat.h> +} + +/** + * This class writes a sound file via ffmpeg. + */ +class AUD_FFMPEGWriter : public AUD_IWriter +{ +private: + /** + * The current position in samples. + */ + int m_position; + + /** + * The specification of the audio data. + */ + AUD_DeviceSpecs m_specs; + + /** + * The AVFormatContext structure for using ffmpeg. + */ + AVFormatContext* m_formatCtx; + + /** + * The AVCodecContext structure for using ffmpeg. + */ + AVCodecContext* m_codecCtx; + + AVOutputFormat* m_outputFmt; + + AVStream* m_stream; + + AUD_Buffer m_input_buffer; + + AUD_Buffer m_output_buffer; + + unsigned int m_input_samples; + + unsigned int m_input_size; + + /** + * Converter function. + */ + AUD_convert_f m_convert; + + // hide copy constructor and operator= + AUD_FFMPEGWriter(const AUD_FFMPEGWriter&); + AUD_FFMPEGWriter& operator=(const AUD_FFMPEGWriter&); + + void encode(sample_t* data); + +public: + /** + * Creates a new writer. + * \param filename The path to the file to be read. + * \exception AUD_Exception Thrown if the file specified does not exist or + * cannot be read with ffmpeg. + */ + AUD_FFMPEGWriter(std::string filename, AUD_DeviceSpecs specs, AUD_Container format, AUD_Codec codec, unsigned int bitrate); + + /** + * Destroys the writer and closes the file. + */ + virtual ~AUD_FFMPEGWriter(); + + virtual int getPosition() const; + virtual AUD_DeviceSpecs getSpecs() const; + virtual void write(unsigned int length, sample_t* buffer); +}; + +#endif //AUD_FFMPEGWRITER |