/* * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /* shared code for simple demux/decode tools */ #ifndef DECODE_SIMPLE_H#define DECODE_SIMPLE_H #include "libavformat/avformat.h" #include "libavcodec/avcodec.h"#include "libavcodec/packet.h" #include "libavutil/dict.h"#include "libavutil/frame.h"  typedef struct DecodeContext {    AVFormatContext *demuxer;    AVStream        *stream;    AVCodecContext  *decoder;     AVPacket        *pkt;    AVFrame         *frame;     int (*process_frame)(struct DecodeContext *dc, AVFrame *frame);    void            *opaque;     AVDictionary    *decoder_opts;    int              max_frames;} DecodeContext; int ds_open(DecodeContext *dc, const char *url, int stream_idx);void ds_free(DecodeContext *dc); int ds_run(DecodeContext *dc); #endif /* DECODE_SIMPLE_H */