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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4349 | Serge | 1 | /* |
| 2 | * Copyright (c) 2013 Nicolas George |
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| 3 | * |
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| 4 | * This file is part of FFmpeg. |
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| 5 | * |
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| 6 | * FFmpeg is free software; you can redistribute it and/or |
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| 7 | * modify it under the terms of the GNU Lesser General Public License |
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| 8 | * as published by the Free Software Foundation; either |
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| 9 | * version 2.1 of the License, or (at your option) any later version. |
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| 10 | * |
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| 11 | * FFmpeg is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | * GNU Lesser General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU Lesser General Public License |
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| 17 | * along with FFmpeg; if not, write to the Free Software Foundation, Inc., |
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| 18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 19 | */ |
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| 20 | |||
| 21 | #include "config.h" |
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| 22 | #if HAVE_UNISTD_H |
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| 23 | #include |
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| 24 | #endif |
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| 25 | |||
| 26 | #include "libavformat/avformat.h" |
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| 27 | #include "libavutil/timestamp.h" |
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| 28 | |||
| 29 | #if !HAVE_GETOPT |
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| 30 | #include "compat/getopt.c" |
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| 31 | #endif |
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| 32 | |||
| 33 | static void usage(int ret) |
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| 34 | { |
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| 35 | fprintf(ret ? stderr : stdout, |
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| 36 | "Usage: seek_print file [command ...]\n" |
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| 37 | "Commands:\n" |
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| 38 | " read\n" |
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| 39 | " seek:stream:min_ts:ts:max_ts:flags\n" |
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| 40 | ); |
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| 41 | exit(ret); |
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| 42 | } |
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| 43 | |||
| 44 | int main(int argc, char **argv) |
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| 45 | { |
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| 46 | int opt, ret, stream, flags; |
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| 47 | const char *filename; |
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| 48 | AVFormatContext *avf = NULL; |
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| 49 | int64_t min_ts, max_ts, ts; |
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| 50 | AVPacket packet; |
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| 51 | |||
| 52 | while ((opt = getopt(argc, argv, "h")) != -1) { |
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| 53 | switch (opt) { |
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| 54 | case 'h': |
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| 55 | usage(0); |
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| 56 | default: |
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| 57 | usage(1); |
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| 58 | } |
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| 59 | } |
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| 60 | argc -= optind; |
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| 61 | argv += optind; |
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| 62 | if (!argc) |
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| 63 | usage(1); |
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| 64 | filename = *argv; |
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| 65 | argv++; |
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| 66 | argc--; |
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| 67 | |||
| 68 | av_register_all(); |
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| 69 | if ((ret = avformat_open_input(&avf, filename, NULL, NULL)) < 0) { |
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| 70 | fprintf(stderr, "%s: %s\n", filename, av_err2str(ret)); |
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| 71 | return 1; |
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| 72 | } |
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| 73 | if ((ret = avformat_find_stream_info(avf, NULL)) < 0) { |
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| 74 | fprintf(stderr, "%s: could not find codec parameters: %s\n", filename, |
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| 75 | av_err2str(ret)); |
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| 76 | return 1; |
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| 77 | } |
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| 78 | |||
| 79 | for (; argc; argc--, argv++) { |
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| 80 | if (!strcmp(*argv, "read")) { |
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| 81 | ret = av_read_frame(avf, &packet); |
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| 82 | if (ret < 0) { |
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| 83 | printf("read: %d (%s)\n", ret, av_err2str(ret)); |
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| 84 | } else { |
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| 85 | AVRational *tb = &avf->streams[packet.stream_index]->time_base; |
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| 86 | printf("read: %d size=%d stream=%d dts=%s (%s) pts=%s (%s)\n", |
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| 87 | ret, packet.size, packet.stream_index, |
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| 88 | av_ts2str(packet.dts), av_ts2timestr(packet.dts, tb), |
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| 89 | av_ts2str(packet.pts), av_ts2timestr(packet.pts, tb)); |
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| 90 | av_free_packet(&packet); |
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| 91 | } |
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| 92 | } else if (sscanf(*argv, "seek:%i:%"SCNi64":%"SCNi64":%"SCNi64":%i", |
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| 93 | &stream, &min_ts, &ts, &max_ts, &flags) == 5) { |
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| 94 | ret = avformat_seek_file(avf, stream, min_ts, ts, max_ts, flags); |
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| 95 | printf("seek: %d (%s)\n", ret, av_err2str(ret)); |
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| 96 | } else { |
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| 97 | fprintf(stderr, "'%s': unknown command\n", *argv); |
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| 98 | return 1; |
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| 99 | } |
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| 100 | } |
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| 101 | |||
| 102 | avformat_close_input(&avf); |
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| 103 | |||
| 104 | return 0; |
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| 105 | } |