virtual int encode_activate();
virtual int decode_activate();
virtual AVHWDeviceType decode_hw_activate();
virtual int encode_activate();
virtual int decode_activate();
virtual AVHWDeviceType decode_hw_activate();
virtual int write_packet(FFPacket &pkt);
int read_packet();
int seek(int64_t no, double rate);
virtual int write_packet(FFPacket &pkt);
int read_packet();
int seek(int64_t no, double rate);
int is_video() { return 1; }
int decode_frame(AVFrame *frame);
AVHWDeviceType decode_hw_activate();
int is_video() { return 1; }
int decode_frame(AVFrame *frame);
AVHWDeviceType decode_hw_activate();
AVHWDeviceType encode_hw_activate(const char *hw_dev);
int encode_hw_write(FFrame *picture);
int encode_frame(AVFrame *frame);
AVHWDeviceType encode_hw_activate(const char *hw_dev);
int encode_hw_write(FFrame *picture);
int encode_frame(AVFrame *frame);