videosource/mplayer.h

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#ifndef __MPLAYERVIDEOSOURCE_H
#define __MPLAYERVIDEOSOURCE_H

#include <stdio.h>
#include "videosource.h"
#include "bidirpipe.h"

#define BIDIR_PIPE

class MPlayerVideoSource : public VideoSource {
public:

        MPlayerVideoSource(char *input_string, char *mencoder, char *options);
        virtual bool initialize();
        virtual bool getFrame(IplImage *dst);
        void getSize(int &width, int &height);
        virtual ~MPlayerVideoSource();
        virtual void start();
        virtual void stop();
        virtual bool isPlaying() { return playing; };
        virtual const char *getStreamName() const { return input_string; }
        virtual const char *getStreamType() const { return "MPlayerVideoSource"; }
        virtual int getId();

private:

        void readInfo();
        bool execPlayer();
        void closePlayer();

        char *input_string;
        char *mencoder;
        char *mencoder_options;
        int frameCnt;
        bool playing;
        char pipe_dir[64];
        char video_pipe[64];
        char mencoder_cmd[4096];
        IplImage *tmp_im;
        int width, height;

#ifdef BIDIR_PIPE
        bidir_pipe pipe;
#endif
        FILE *info_pipe;
        int data_pipe;
};

class MPlayerFactory : public ParticularVSFactory {
public:
        MPlayerFactory() { name="MPlayer"; input_string=0; mencoder=0; };
        virtual void registerParameters(ParamSection *sec);
        virtual VideoSource *construct();
private:
        char *input_string;
        char *mencoder;
        char *mencoder_options;
        bool use;
};

#endif

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