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Diffstat (limited to 'contrib/ffmpeg/tests/seek_test.c')
-rw-r--r-- | contrib/ffmpeg/tests/seek_test.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/contrib/ffmpeg/tests/seek_test.c b/contrib/ffmpeg/tests/seek_test.c new file mode 100644 index 000000000..e17409439 --- /dev/null +++ b/contrib/ffmpeg/tests/seek_test.c @@ -0,0 +1,91 @@ +/* + * Copyright (c) 2003 Fabrice Bellard + * Copyright (c) 2007 Michael Niedermayer + * + * 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 + */ +#include <stdlib.h> +#include <stdio.h> + +#include "avformat.h" + +int main(int argc, char **argv) +{ + const char *filename; + AVFormatContext *ic; + int i, ret, stream_id; + int64_t timestamp; + + /* initialize libavcodec, and register all codecs and formats */ + av_register_all(); + + if (argc != 2) { + printf("usage: %s input_file\n" + "\n", argv[0]); + exit(1); + } + + filename = argv[1]; + + /* allocate the media context */ + ic = av_alloc_format_context(); + if (!ic) { + fprintf(stderr, "Memory error\n"); + exit(1); + } + + ret = av_open_input_file(&ic, filename, NULL, 0, NULL); + if (ret < 0) { + fprintf(stderr, "cant open %s\n", filename); + exit(1); + } + + ret = av_find_stream_info(ic); + if (ret < 0) { + fprintf(stderr, "%s: could not find codec parameters\n", filename); + exit(1); + } + + for(i=0; ; i++){ + AVPacket pkt; + AVStream *st; + + memset(&pkt, 0, sizeof(pkt)); + if(ret>=0){ + ret= av_read_frame(ic, &pkt); + printf("ret:%2d", ret); + if(ret>=0){ + st= ic->streams[pkt.stream_index]; + printf(" st:%2d dts:%f pts:%f pos:%Ld size:%d flags:%d", pkt.stream_index, pkt.dts*av_q2d(st->time_base), pkt.pts*av_q2d(st->time_base), pkt.pos, pkt.size, pkt.flags); + } + printf("\n"); + } + + if(i>25) break; + + stream_id= (i>>1)%(ic->nb_streams+1) - 1; + timestamp= (i*19362894167LL) % (4*AV_TIME_BASE) - AV_TIME_BASE; + if(stream_id>=0){ + st= ic->streams[stream_id]; + timestamp= av_rescale_q(timestamp, AV_TIME_BASE_Q, st->time_base); + } + ret = av_seek_frame(ic, stream_id, timestamp, (i&1)*AVSEEK_FLAG_BACKWARD); + printf("ret:%2d st:%2d ts:%f flags:%d\n", ret, stream_id, timestamp*(stream_id<0 ? 1.0/AV_TIME_BASE : av_q2d(st->time_base)), i&1); + } + + return 0; +} |