1 /* 2 * This file is part of FFmpeg. 3 * 4 * FFmpeg is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation; either 7 * version 2.1 of the License, or (at your option) any later version. 8 * 9 * FFmpeg is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Lesser General Public License for more details. 13 * 14 * You should have received a copy of the GNU Lesser General Public 15 * License along with FFmpeg; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18 19 /* shared code for simple demux/decode tools */ 20 21 #ifndef DECODE_SIMPLE_H 22 #define DECODE_SIMPLE_H 23 24 #include "libavformat/avformat.h" 25 26 #include "libavcodec/avcodec.h" 27 #include "libavcodec/packet.h" 28 29 #include "libavutil/dict.h" 30 #include "libavutil/frame.h" 31 32 33 typedef struct DecodeContext { 34 AVFormatContext *demuxer; 35 AVStream *stream; 36 AVCodecContext *decoder; 37 38 AVPacket *pkt; 39 AVFrame *frame; 40 41 int (*process_frame)(struct DecodeContext *dc, AVFrame *frame); 42 void *opaque; 43 44 AVDictionary *decoder_opts; 45 int max_frames; 46 } DecodeContext; 47 48 int ds_open(DecodeContext *dc, const char *url, int stream_idx); 49 void ds_free(DecodeContext *dc); 50 51 int ds_run(DecodeContext *dc); 52 53 #endif /* DECODE_SIMPLE_H */ 54