yading@11: /* yading@11: * Copyright (c) 2003 Fabrice Bellard yading@11: * Copyright (c) 2007 Michael Niedermayer yading@11: * yading@11: * This file is part of FFmpeg. yading@11: * yading@11: * FFmpeg is free software; you can redistribute it and/or yading@11: * modify it under the terms of the GNU Lesser General Public yading@11: * License as published by the Free Software Foundation; either yading@11: * version 2.1 of the License, or (at your option) any later version. yading@11: * yading@11: * FFmpeg is distributed in the hope that it will be useful, yading@11: * but WITHOUT ANY WARRANTY; without even the implied warranty of yading@11: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU yading@11: * Lesser General Public License for more details. yading@11: * yading@11: * You should have received a copy of the GNU Lesser General Public yading@11: * License along with FFmpeg; if not, write to the Free Software yading@11: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA yading@11: */ yading@11: yading@11: #include yading@11: #include yading@11: #include yading@11: #include yading@11: yading@11: #include "libavutil/common.h" yading@11: #include "libavutil/mathematics.h" yading@11: #include "libavformat/avformat.h" yading@11: yading@11: static char buffer[20]; yading@11: yading@11: static const char *ret_str(int v) yading@11: { yading@11: switch (v) { yading@11: case AVERROR_EOF: return "-EOF"; yading@11: case AVERROR(EIO): return "-EIO"; yading@11: case AVERROR(ENOMEM): return "-ENOMEM"; yading@11: case AVERROR(EINVAL): return "-EINVAL"; yading@11: default: yading@11: snprintf(buffer, sizeof(buffer), "%2d", v); yading@11: return buffer; yading@11: } yading@11: } yading@11: yading@11: static void ts_str(char buffer[60], int64_t ts, AVRational base) yading@11: { yading@11: if (ts == AV_NOPTS_VALUE) { yading@11: strcpy(buffer, " NOPTS "); yading@11: return; yading@11: } yading@11: ts= av_rescale_q(ts, base, (AVRational){1, 1000000}); yading@11: snprintf(buffer, 60, "%c%"PRId64".%06"PRId64"", ts<0 ? '-' : ' ', FFABS(ts)/1000000, FFABS(ts)%1000000); yading@11: } yading@11: yading@11: int main(int argc, char **argv) yading@11: { yading@11: const char *filename; yading@11: AVFormatContext *ic = NULL; yading@11: int i, ret, stream_id; yading@11: int j; yading@11: int64_t timestamp; yading@11: AVDictionary *format_opts = NULL; yading@11: int64_t seekfirst = AV_NOPTS_VALUE; yading@11: int firstback=0; yading@11: int frame_count = 1; yading@11: yading@11: for(i=2; i=0){ yading@11: for(j=0; j=0){ yading@11: char dts_buf[60]; yading@11: st= ic->streams[pkt.stream_index]; yading@11: ts_str(dts_buf, pkt.dts, st->time_base); yading@11: ts_str(ts_buf, pkt.pts, st->time_base); yading@11: printf("ret:%-10s st:%2d flags:%d dts:%s pts:%s pos:%7" PRId64 " size:%6d", ret_str(ret), pkt.stream_index, pkt.flags, dts_buf, ts_buf, pkt.pos, pkt.size); yading@11: av_free_packet(&pkt); yading@11: } else yading@11: printf("ret:%s", ret_str(ret)); // necessary to avoid trailing whitespace yading@11: printf("\n"); yading@11: } yading@11: } yading@11: yading@11: if(i>25) break; yading@11: yading@11: stream_id= (i>>1)%(ic->nb_streams+1) - 1; yading@11: timestamp= (i*19362894167LL) % (4*AV_TIME_BASE) - AV_TIME_BASE; yading@11: if(stream_id>=0){ yading@11: st= ic->streams[stream_id]; yading@11: timestamp= av_rescale_q(timestamp, AV_TIME_BASE_Q, st->time_base); yading@11: } yading@11: //FIXME fully test the new seek API yading@11: if(i&1) ret = avformat_seek_file(ic, stream_id, INT64_MIN, timestamp, timestamp, 0); yading@11: else ret = avformat_seek_file(ic, stream_id, timestamp, timestamp, INT64_MAX, 0); yading@11: ts_str(ts_buf, timestamp, stream_id < 0 ? AV_TIME_BASE_Q : st->time_base); yading@11: printf("ret:%-10s st:%2d flags:%d ts:%s\n", ret_str(ret), stream_id, i&1, ts_buf); yading@11: } yading@11: yading@11: avformat_close_input(&ic); yading@11: yading@11: return 0; yading@11: }