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80 lines
2.1 KiB
C++
80 lines
2.1 KiB
C++
#ifndef GAME_SOUND_FFMPEG_DECODER_H
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#define GAME_SOUND_FFMPEG_DECODER_H
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// FIXME: This can't be right? The headers refuse to build without UINT64_C,
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// which only gets defined in stdint.h in either C99 mode or with this macro
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// defined...
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#define __STDC_CONSTANT_MACROS
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#include <stdint.h>
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extern "C"
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{
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#include <libavcodec/avcodec.h>
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#include <libavformat/avformat.h>
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// From libavutil version 52.2.0 and onward the declaration of
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// AV_CH_LAYOUT_* is removed from libavcodec/avcodec.h and moved to
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// libavutil/channel_layout.h
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#if AV_VERSION_INT(52, 2, 0) <= AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
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LIBAVUTIL_VERSION_MINOR, LIBAVUTIL_VERSION_MICRO)
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#include <libavutil/channel_layout.h>
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#endif
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}
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#include <string>
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#include "sound_decoder.hpp"
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namespace MWSound
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{
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class FFmpeg_Decoder : public Sound_Decoder
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{
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AVFormatContext *mFormatCtx;
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AVStream **mStream;
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AVPacket mPacket;
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AVFrame *mFrame;
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int mFrameSize;
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int mFramePos;
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double mNextPts;
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bool getNextPacket();
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Ogre::DataStreamPtr mDataStream;
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static int readPacket(void *user_data, uint8_t *buf, int buf_size);
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static int writePacket(void *user_data, uint8_t *buf, int buf_size);
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static int64_t seek(void *user_data, int64_t offset, int whence);
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bool getAVAudioData();
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size_t readAVAudioData(void *data, size_t length);
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virtual void open(const std::string &fname);
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virtual void close();
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virtual std::string getName();
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virtual void getInfo(int *samplerate, ChannelConfig *chans, SampleType *type);
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virtual size_t read(char *buffer, size_t bytes);
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virtual void readAll(std::vector<char> &output);
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virtual void rewind();
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virtual size_t getSampleOffset();
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void fail(const std::string &msg);
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FFmpeg_Decoder& operator=(const FFmpeg_Decoder &rhs);
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FFmpeg_Decoder(const FFmpeg_Decoder &rhs);
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FFmpeg_Decoder();
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public:
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virtual ~FFmpeg_Decoder();
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friend class SoundManager;
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};
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#ifndef DEFAULT_DECODER
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#define DEFAULT_DECODER (::MWSound::FFmpeg_Decoder)
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#endif
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}
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#endif
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