2 * Copyright (c) 2013 Nicolas George
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public License
8 * as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public License
17 * along with FFmpeg; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 #include <unistd.h> /* getopt */
26 #include "libavformat/avformat.h"
27 #include "libavutil/timestamp.h"
30 #include "compat/getopt.c"
33 static void usage(int ret
)
35 fprintf(ret
? stderr
: stdout
,
36 "Usage: seek_print file [command ...]\n"
39 " seek:stream:min_ts:ts:max_ts:flags\n"
44 int main(int argc
, char **argv
)
46 int opt
, ret
, stream
, flags
;
48 AVFormatContext
*avf
= NULL
;
49 int64_t min_ts
, max_ts
, ts
;
52 while ((opt
= getopt(argc
, argv
, "h")) != -1) {
69 if ((ret
= avformat_open_input(&avf
, filename
, NULL
, NULL
)) < 0) {
70 fprintf(stderr
, "%s: %s\n", filename
, av_err2str(ret
));
73 if ((ret
= avformat_find_stream_info(avf
, NULL
)) < 0) {
74 fprintf(stderr
, "%s: could not find codec parameters: %s\n", filename
,
79 for (; argc
; argc
--, argv
++) {
80 if (!strcmp(*argv
, "read")) {
81 ret
= av_read_frame(avf
, &packet
);
83 printf("read: %d (%s)\n", ret
, av_err2str(ret
));
85 AVRational
*tb
= &avf
->streams
[packet
.stream_index
]->time_base
;
86 printf("read: %d size=%d stream=%d dts=%s (%s) pts=%s (%s)\n",
87 ret
, packet
.size
, packet
.stream_index
,
88 av_ts2str(packet
.dts
), av_ts2timestr(packet
.dts
, tb
),
89 av_ts2str(packet
.pts
), av_ts2timestr(packet
.pts
, tb
));
90 av_free_packet(&packet
);
92 } else if (sscanf(*argv
, "seek:%i:%"SCNi64
":%"SCNi64
":%"SCNi64
":%i",
93 &stream
, &min_ts
, &ts
, &max_ts
, &flags
) == 5) {
94 ret
= avformat_seek_file(avf
, stream
, min_ts
, ts
, max_ts
, flags
);
95 printf("seek: %d (%s)\n", ret
, av_err2str(ret
));
97 fprintf(stderr
, "'%s': unknown command\n", *argv
);
102 avformat_close_input(&avf
);