graph2dot: Use the fallback getopt implementation if needed
[libav.git] / tools / aviocat.c
CommitLineData
23e57d16
MS
1/*
2 * Copyright (c) 2012 Martin Storsjo
3 *
4 * This file is part of Libav.
5 *
6 * Libav is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * Libav 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 GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with Libav; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21#include <stdio.h>
7ba34575 22#include <stdlib.h>
4e81b5f5 23
896bb0d7 24#include "libavutil/time.h"
23e57d16 25#include "libavformat/avformat.h"
23e57d16
MS
26
27static int usage(const char *argv0, int ret)
28{
29 fprintf(stderr, "%s [-b bytespersec] input_url output_url\n", argv0);
30 return ret;
31}
32
33int main(int argc, char **argv)
34{
35 int bps = 0, ret, i;
36 const char *input_url = NULL, *output_url = NULL;
37 int64_t stream_pos = 0;
38 int64_t start_time;
39 char errbuf[50];
40 AVIOContext *input, *output;
41
42 av_register_all();
43 avformat_network_init();
44
45 for (i = 1; i < argc; i++) {
46 if (!strcmp(argv[i], "-b")) {
47 bps = atoi(argv[i + 1]);
48 i++;
49 } else if (!input_url) {
50 input_url = argv[i];
51 } else if (!output_url) {
52 output_url = argv[i];
53 } else {
54 return usage(argv[0], 1);
55 }
56 }
57 if (!output_url)
58 return usage(argv[0], 1);
59
60 ret = avio_open2(&input, input_url, AVIO_FLAG_READ, NULL, NULL);
61 if (ret) {
62 av_strerror(ret, errbuf, sizeof(errbuf));
63 fprintf(stderr, "Unable to open %s: %s\n", input_url, errbuf);
64 return 1;
65 }
66 ret = avio_open2(&output, output_url, AVIO_FLAG_WRITE, NULL, NULL);
67 if (ret) {
68 av_strerror(ret, errbuf, sizeof(errbuf));
69 fprintf(stderr, "Unable to open %s: %s\n", output_url, errbuf);
70 goto fail;
71 }
72
73 start_time = av_gettime();
74 while (1) {
75 uint8_t buf[1024];
76 int n;
77 n = avio_read(input, buf, sizeof(buf));
78 if (n <= 0)
79 break;
80 avio_write(output, buf, n);
81 stream_pos += n;
82 if (bps) {
83 avio_flush(output);
4e81b5f5 84 while ((av_gettime() - start_time) * bps / AV_TIME_BASE < stream_pos)
896bb0d7 85 av_usleep(50 * 1000);
23e57d16
MS
86 }
87 }
88
6a73f3bb 89 avio_flush(output);
23e57d16 90 avio_close(output);
4e81b5f5 91
23e57d16
MS
92fail:
93 avio_close(input);
94 avformat_network_deinit();
95 return ret ? 1 : 0;
96}