chenzhen
222dda1e43
2，新增“Apps”； 3，新增“Common”； 4，新增“FileList”； 5，新增“MediaX”； 6，新增“OpenSource”； 7，新增“Samples”； 8，新增“SoftwareBusinessLines”.
127 lines
4.4 KiB
C++
127 lines
4.4 KiB
C++
#ifndef GDVLCMODULE_H
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#define GDVLCMODULE_H
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#include <QString>
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#ifdef _WIN32
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#include <basetsd.h>
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typedef SSIZE_T ssize_t;
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#endif
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#include "vlc.h"
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#define VLCMODULE_FAILED(hr) (((int)(hr)) != 0)
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#define VLCMODULE_SUCCESS(hr) (((int)(hr)) == 0)
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typedef unsigned int bool_t;
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typedef int int32_t;
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typedef unsigned int uint32_t;
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#define X_FALSE 0
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#define X_TRUE 1
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#define X_NULL 0
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#define X_ERR_OK 0
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#define X_ERR_UNKNOW (-1)
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//回调图像数据格式类型
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typedef enum _VideoDataFormat_
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{
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VideoDataFormatRGBA = 0, //RGBARGBARGBA
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VideoDataFormatOther,
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}VideoDataFormat;
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typedef void (* VIDEO_CALLBACK)(unsigned char* pFrame, long lFrameWidth, long lFrameHeight, long lFrameSize, VideoDataFormat eType, void* pUser);
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//视频预览模式
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typedef enum _VideoPlayMode_
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{
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VideoPlayModeWindow = 0, //采用窗口句柄方式预览视频，内部渲染视频帧
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VideoPlayModeCallbackData = 1, //采用回调获取图像数据方式预览视频，由用户自己外部渲染视频帧
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}VideoPlayMode;
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typedef struct tagVIDEO_PLAY_PARAM
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{
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VideoPlayMode ePlayMode; //视频播放方式
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void* pUserData; //用户数据指针，在回调函数中传回
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void* pWindowHand; //视频显示句柄,当ePlayMode值为VideoPlayModeWindow时有效
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VIDEO_CALLBACK pVideoCallback; //视频数据回调，当ePlayMode值为VideoPlayModeCallbackData时有效
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}VIDEO_PLAY_PARAM, *LPVIDEO_PLAY_PARAM;
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class GdVlcModule
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{
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public:
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GdVlcModule();
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~GdVlcModule();
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/**********************************************************/
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/**
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* @brief 初始化vlc模块,
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* @param [in ] nArgc : 默认传入0。
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* @param [in ] cArgv : 默认传入NULL。
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* @return int
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* - 成功，返回 0，表示预览成功；
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* - 失败，返回错误码。
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*/
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static int Init(int nArgc , const char *const *cArgv);
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/**********************************************************/
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/**
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* @brief 释放vlc模块
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*/
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static void UnInit(void);
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/**********************************************************/
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/**
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* @brief 开始预览视频
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* @param [in ] cUrl : 视频流地址。
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* @param [in ] stParamInfo : 预览参数。
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* @return int
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* - 成功，返回 0，表示预览成功；
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* - 失败，返回错误码。
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*/
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int StartVideoPlay(const char* cUrl, VIDEO_PLAY_PARAM stParamInfo);
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/**********************************************************/
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/**
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* @brief 开始预览视频
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*/
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void StopVideoPlay(void);
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bool IsPlay(){return m_bIsPlay;}
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private:
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void ProcssVideoCallbackFormat(char *pChroma, unsigned *pWidth, unsigned *pHeight, unsigned *pPitches, unsigned *pLines);
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void ProcessVideoCallbackDisplay(void *pPicture, void *const *ppPlanes);
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bool_t VideoParseWh(void* pVlcMediaPlayer, int32_t & nWidth, int32_t & nHeight);
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private:
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static void* VideoCallbackLock(void *pOpaque, void **ppPlanes);
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static void VideoCallbackUnlock(void *pOpaque, void *pPicture, void *const *ppPlanes);
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static void VideoCallbackDisplay(void *pOpaque, void *pPicture);
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static unsigned VideoCallbackFormat(void **ppOpaque, char *pChroma, unsigned *pWidth, unsigned *pHeight, unsigned *pPitches, unsigned *pLines);
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static void VideoCallbackEvent(const struct libvlc_event_t *pEvent, void *pData);
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static libvlc_instance_t* m_pLibvlcInst;
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libvlc_media_player_t* m_pLibvlcMediaPlayer;
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libvlc_media_t* m_pLibvlcMedia;
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bool m_bIsPlay;
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unsigned char* m_pDataBuffer;
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bool_t m_booltVideoParse; ///< 标识视频参数是否已经被解析
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int32_t m_nVideoBits; ///< 视频图像的像素位数（24 或 32）
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int32_t m_nVideoPitch; ///< 视频图像解码缓存的行步长（字节数）
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int32_t m_nVideoWidth; ///< 视频图像的宽度
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int32_t m_nVideoHeight; ///< 视频图像的高度
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QString m_strUrl;
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VIDEO_PLAY_PARAM m_stParamInfo;
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};
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#endif // GDVLCMODULE_H
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