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openmw-tes3mp/apps/openmw/mwsound/ffmpeg_decoder.hpp

79 lines
2.1 KiB
C++

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