mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-02 03:06:28 +02:00
89029bd2c7
avdevice_register_all() is still required to register devices into lavf (this is required due to lavd being somewhat of a hack). Signed-off-by: Josh de Kock <josh@itanimul.li>
105 lines
3.1 KiB
C
105 lines
3.1 KiB
C
/*
|
|
* Copyright (c) 2013 Nicolas George
|
|
*
|
|
* 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 "config.h"
|
|
#if HAVE_UNISTD_H
|
|
#include <unistd.h> /* getopt */
|
|
#endif
|
|
|
|
#include "libavformat/avformat.h"
|
|
#include "libavutil/timestamp.h"
|
|
|
|
#if !HAVE_GETOPT
|
|
#include "compat/getopt.c"
|
|
#endif
|
|
|
|
static void usage(int ret)
|
|
{
|
|
fprintf(ret ? stderr : stdout,
|
|
"Usage: seek_print file [command ...]\n"
|
|
"Commands:\n"
|
|
" read\n"
|
|
" seek:stream:min_ts:ts:max_ts:flags\n"
|
|
);
|
|
exit(ret);
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
int opt, ret, stream, flags;
|
|
const char *filename;
|
|
AVFormatContext *avf = NULL;
|
|
int64_t min_ts, max_ts, ts;
|
|
AVPacket packet;
|
|
|
|
while ((opt = getopt(argc, argv, "h")) != -1) {
|
|
switch (opt) {
|
|
case 'h':
|
|
usage(0);
|
|
default:
|
|
usage(1);
|
|
}
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
if (!argc)
|
|
usage(1);
|
|
filename = *argv;
|
|
argv++;
|
|
argc--;
|
|
|
|
if ((ret = avformat_open_input(&avf, filename, NULL, NULL)) < 0) {
|
|
fprintf(stderr, "%s: %s\n", filename, av_err2str(ret));
|
|
return 1;
|
|
}
|
|
if ((ret = avformat_find_stream_info(avf, NULL)) < 0) {
|
|
fprintf(stderr, "%s: could not find codec parameters: %s\n", filename,
|
|
av_err2str(ret));
|
|
return 1;
|
|
}
|
|
|
|
for (; argc; argc--, argv++) {
|
|
if (!strcmp(*argv, "read")) {
|
|
ret = av_read_frame(avf, &packet);
|
|
if (ret < 0) {
|
|
printf("read: %d (%s)\n", ret, av_err2str(ret));
|
|
} else {
|
|
AVRational *tb = &avf->streams[packet.stream_index]->time_base;
|
|
printf("read: %d size=%d stream=%d dts=%s (%s) pts=%s (%s)\n",
|
|
ret, packet.size, packet.stream_index,
|
|
av_ts2str(packet.dts), av_ts2timestr(packet.dts, tb),
|
|
av_ts2str(packet.pts), av_ts2timestr(packet.pts, tb));
|
|
av_packet_unref(&packet);
|
|
}
|
|
} else if (sscanf(*argv, "seek:%i:%"SCNi64":%"SCNi64":%"SCNi64":%i",
|
|
&stream, &min_ts, &ts, &max_ts, &flags) == 5) {
|
|
ret = avformat_seek_file(avf, stream, min_ts, ts, max_ts, flags);
|
|
printf("seek: %d (%s)\n", ret, av_err2str(ret));
|
|
} else {
|
|
fprintf(stderr, "'%s': unknown command\n", *argv);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
avformat_close_input(&avf);
|
|
|
|
return 0;
|
|
}
|