blob: de876b487c5812a08f40c8b326ee52dae9a1f738
1 | /* |
2 | * Copyright (c) 2013 Nicolas George |
3 | * |
4 | * This file is part of FFmpeg. |
5 | * |
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. |
10 | * |
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. |
15 | * |
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 |
19 | */ |
20 | |
21 | #include "config.h" |
22 | #if HAVE_UNISTD_H |
23 | #include <unistd.h> /* getopt */ |
24 | #endif |
25 | |
26 | #include "libavformat/avformat.h" |
27 | #include "libavutil/timestamp.h" |
28 | |
29 | #if !HAVE_GETOPT |
30 | #include "compat/getopt.c" |
31 | #endif |
32 | |
33 | static void usage(int ret) |
34 | { |
35 | fprintf(ret ? stderr : stdout, |
36 | "Usage: seek_print file [command ...]\n" |
37 | "Commands:\n" |
38 | " read\n" |
39 | " seek:stream:min_ts:ts:max_ts:flags\n" |
40 | ); |
41 | exit(ret); |
42 | } |
43 | |
44 | int main(int argc, char **argv) |
45 | { |
46 | int opt, ret, stream, flags; |
47 | const char *filename; |
48 | AVFormatContext *avf = NULL; |
49 | int64_t min_ts, max_ts, ts; |
50 | AVPacket packet; |
51 | |
52 | while ((opt = getopt(argc, argv, "h")) != -1) { |
53 | switch (opt) { |
54 | case 'h': |
55 | usage(0); |
56 | default: |
57 | usage(1); |
58 | } |
59 | } |
60 | argc -= optind; |
61 | argv += optind; |
62 | if (!argc) |
63 | usage(1); |
64 | filename = *argv; |
65 | argv++; |
66 | argc--; |
67 | |
68 | av_register_all(); |
69 | if ((ret = avformat_open_input(&avf, filename, NULL, NULL)) < 0) { |
70 | fprintf(stderr, "%s: %s\n", filename, av_err2str(ret)); |
71 | return 1; |
72 | } |
73 | if ((ret = avformat_find_stream_info(avf, NULL)) < 0) { |
74 | fprintf(stderr, "%s: could not find codec parameters: %s\n", filename, |
75 | av_err2str(ret)); |
76 | return 1; |
77 | } |
78 | |
79 | for (; argc; argc--, argv++) { |
80 | if (!strcmp(*argv, "read")) { |
81 | ret = av_read_frame(avf, &packet); |
82 | if (ret < 0) { |
83 | printf("read: %d (%s)\n", ret, av_err2str(ret)); |
84 | } else { |
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_packet_unref(&packet); |
91 | } |
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)); |
96 | } else { |
97 | fprintf(stderr, "'%s': unknown command\n", *argv); |
98 | return 1; |
99 | } |
100 | } |
101 | |
102 | avformat_close_input(&avf); |
103 | |
104 | return 0; |
105 | } |
106 |