www.pudn.com > MyPlayerbylqh.rar > MediaClasses.h
/************************************************************************************** * * * * **************************************************************************************/ #ifndef _MEDIA_CLASSES_H #define _MEDIA_CLASSES_H #include/* * 基本类型 */ #include "MediaBuffer.h" #include "Error.h" /* * 媒体类型 */ typedef enum { MEDIA_TYPE_INPUT, MEDIA_TYPE_DECAPS, MEDIA_TYPE_VIDEO_DECODER, MEDIA_TYPE_AUDIO_DECODER, MEDIA_TYPE_VIDEO_BUFFER, MEDIA_TYPE_VIDEO_RENDERER, MEDIA_TYPE_AUDIO_RENDERER, MEDIA_TYPE_SUBTITLER, } media_type_t; /* *性能类型 */ #define MEDIA_CAPS_CAN_CONFIGURE 0x00000001 #define MEDIA_CAPS_BUFFERIZE 0x00000002 /* * 输入媒体类型 */ /* * 文件格式 */ typedef enum { INPUT_OPEN_ASCII, INPUT_OPEN_BINARY } media_input_mode_t; /* * 搜索 */ typedef enum { INPUT_SEEK_SET, INPUT_SEEK_CUR, INPUT_SEEK_END } media_input_seek_t; /* * 视频格式 */ typedef enum { VIDEO_MODE_NONE, VIDEO_MODE_RGB8, VIDEO_MODE_RGB16, VIDEO_MODE_RGB24, VIDEO_MODE_RGB32, VIDEO_MODE_YUV9, VIDEO_MODE_YUV12, VIDEO_MODE_YUY2, VIDEO_MODE_UYVY, } media_video_mode_t; /* * 用于描述播放器的不同媒体节点，缓冲器，流的虚拟类 */ class MediaItem { private: media_type_t type; char *name; public: /* * 获取基本信息的方法 */ virtual media_type_t GetType() = 0; virtual char *GetName() = 0; /* * 连接媒体项 */ virtual MP_RESULT Connect(MediaItem *item) = 0; virtual MP_RESULT ReleaseConnections() = 0; /* * 获得CAPS和配置项的方法 */ virtual DWORD GetCaps() = 0; virtual MP_RESULT Configure(HINSTANCE hInstance, HWND hwnd) = 0; }; /* * MediaItemInput: * --------------- * ——输入媒体项 * * */ class MediaItemInput : public MediaItem { public: virtual MP_RESULT Open(char *url, media_input_mode_t mode) = 0; virtual long GetSize() = 0; virtual long GetBufferSize() = 0; virtual long GetBufferPosition() = 0; virtual long GetBufferingSize() = 0; virtual unsigned int Read(MediaBuffer *mb, unsigned int size) = 0; virtual unsigned int Seek(int size, media_input_seek_t method) = 0; virtual unsigned int GetLine(MediaBuffer *mb) = 0; virtual BOOL EndOfFile() = 0; virtual MP_RESULT Close() = 0; }; /* * MediaItemDecaps: * ---------------- * * ——Decaps流 * */ class MediaItemDecaps : public MediaItem { public: virtual unsigned int GetNumberOfVideoStreams() = 0; virtual unsigned int GetNumberOfAudioStreams() = 0; virtual unsigned int GetVideoWidth(unsigned int StreamId) = 0; virtual unsigned int GetVideoHeight(unsigned int StreamId) = 0; virtual double GetVideoFrameRate(unsigned int StreamId) = 0; virtual char *GetVideoCompression(unsigned int StreamId) = 0; virtual BITMAPINFOHEADER *GetVideoHeader(unsigned int StreamId) = 0; virtual unsigned long GetCurrentVideoFrame(unsigned int StreamId) = 0; virtual unsigned long GetTotalVideoFrames(unsigned int StreamId) = 0; virtual unsigned long GetTotalVideoTime(unsigned int StreamId) = 0; virtual unsigned int GetAudioBits(unsigned int StreamId) = 0; virtual unsigned int GetAudioChannels(unsigned int StreamId) = 0; virtual unsigned int GetAudioFrequency(unsigned int StreamId) = 0; virtual WAVEFORMATEX *GetAudioFormat(unsigned int StreamId) = 0; virtual unsigned int GetNextVideoFrameSize(unsigned int StreamId) = 0; virtual unsigned int ReadVideoFrame(unsigned int StreamId, MediaBuffer *mb) = 0; virtual unsigned int ReadAudioData(unsigned int StreamId, char *buffer, unsigned int bytes) = 0; virtual MP_RESULT UpdateForSize() = 0; virtual MP_RESULT SeekAudio(unsigned int StreamId, long bytes) = 0; virtual MP_RESULT SeekVideo(unsigned int StreamId, long frame) = 0; virtual MP_RESULT ReSeekAudio(unsigned int StreamId) = 0; virtual MP_RESULT Seek(unsigned int videoStreamId, unsigned int audioStreamId, int percent) = 0; virtual MP_RESULT Rewind(unsigned int videoStreamId, unsigned int audioStreamId) = 0; virtual MP_RESULT SeekNextKeyFrame(unsigned int StreamId) = 0; virtual MP_RESULT SeekPreviousKeyFrame(unsigned int StreamId) = 0; }; /* * MediaItemVideoDecoder: * -------------------- * * ——从流中解码视频 * * */ class MediaItemVideoDecoder : public MediaItem { public: virtual unsigned int GetFrameSize() = 0; virtual media_video_mode_t GetVideoMode() = 0; virtual BOOL GetInvertFlag() = 0; virtual MP_RESULT SetVideoMode(media_video_mode_t mode) = 0; virtual MP_RESULT SetQuality(DWORD quality) = 0; virtual DWORD GetQuality() = 0; virtual MP_RESULT Decompress(MediaBuffer *mb_out, unsigned int stride) = 0; virtual MP_RESULT Drop(MediaBuffer *mb_out, unsigned int stride) = 0; }; /* * MediaItemVideoBuffer: * -------------------- * * ——缓冲解码的图像 * */ class MediaItemVideoBuffer : public MediaItem { public: virtual MP_RESULT StartBuffering(unsigned int stride) = 0; virtual MP_RESULT StopBuffering() = 0; virtual MediaBuffer *GetOneFrame() = 0; virtual MediaBuffer *GetLastFrame() = 0; virtual MP_RESULT DropOneFrame() = 0; }; /* * MediaItemVideoRenderer: * ----------------------- * * ——补偿在屏幕上的视频 * */ class MediaItemVideoRenderer : public MediaItem { public: virtual MP_RESULT Init(HWND hwnd, unsigned int width, unsigned int height) = 0; virtual MP_RESULT InitFullscreen(HWND hwnd, unsigned int width, unsigned int height) = 0; virtual media_video_mode_t GetVideoMode() = 0; virtual RECT *GetFullscreenRects() = 0; virtual MP_RESULT Draw(MediaBuffer *buffer, RECT *rect, int frameNumber, int invertFlag) = 0; virtual MP_RESULT DrawFullscreen(MediaBuffer *buffer, int frameNumber, int invertFlag, int desktopMode) = 0; virtual MP_RESULT Stop() = 0; virtual MP_RESULT Close() = 0; }; /* * * * 字幕变换的类型 */ typedef struct _subtitles_t { char *subtitlesText[4]; DWORD nbSubtitles; } subtitles_t; /* * MediaItemSubtitler * ------------------ * * ——读字幕 * */ class MediaItemSubtitler : public MediaItem { public: virtual MP_RESULT Open(char *lpFilename) = 0; virtual subtitles_t *GetSubtitles(DWORD frameNumber) = 0; virtual MP_RESULT Close() = 0; }; /* * MediaItemAudioDecoder: * ---------------------- * * ——将音频解码到缓冲器 * */ class MediaItemAudioDecoder : public MediaItem { public: virtual WAVEFORMATEX *GetAudioFormat() = 0; virtual MP_RESULT EmptyAudioBuffer() = 0; virtual unsigned int Decompress(void *buffer, unsigned int size) = 0; }; /* * MediaItemAudioRenderer: * ----------------------- * * ——补偿系统声卡音频（Renderer audio to system soundcard） * */ /* * 音频回调 */ typedef unsigned int (*MediaAudioCallback)(void *lpData, void *buffer, unsigned int size); class MediaItemAudioRenderer : public MediaItem { public: virtual MP_RESULT Open(HWND hwnd, WAVEFORMATEX *inFormat) = 0; virtual MP_RESULT SetCallback(void *lpData, MediaAudioCallback callback) = 0; virtual MP_RESULT SetVolume(unsigned int volume) = 0; virtual unsigned long GetAudioTime() = 0; virtual MP_RESULT Bufferize() = 0; virtual MP_RESULT Start() = 0; virtual MP_RESULT Pause() = 0; virtual MP_RESULT Stop() = 0; virtual MP_RESULT Close() = 0; }; #endif