virtual int create_channeldb(ArrayList<Channel*> *channeldb) { return 1; };
virtual int read_buffer(VFrame *frame) { return 1; };
virtual int write_buffer(VFrame *output, EDL *edl) { return 1; };
virtual int create_channeldb(ArrayList<Channel*> *channeldb) { return 1; };
virtual int read_buffer(VFrame *frame) { return 1; };
virtual int write_buffer(VFrame *output, EDL *edl) { return 1; };