2 * Copyright (c) 2008 Luca Abeni
4 * This is free software; see GPL.txt
9 #include "libavformat/avformat.h"
10 #include "libavdevice/avdevice.h"
17 static const char *sdp_file = "sdp.txt";
18 static const char *vdev = "/dev/video0";
19 static const char *dst = "224.10.20.30";
20 static int dport = 20000;
21 static int width = 352;
22 static int height = 288;
25 static void sdp_print(AVFormatContext *s, const char *fname)
30 f = fopen(fname, "w");
31 avf_sdp_create(&s, 1, sdp, sizeof(sdp));
32 fprintf(f, "%s\n", sdp);
36 static int args_parse(int argc, char *argv[])
40 while ((v = getopt(argc, argv, "w:h:r:d:")) >= 0) {
46 height = atoi(optarg);
58 fprintf(stderr, "%s: illegal option %c\n", argv[0], v);
66 int main(int argc, char *argv[])
68 AVFormatContext *s, *os;
71 avcodec_register_all();
73 avdevice_register_all();
75 args_parse(argc, argv);
77 s = open_input_stream(vdev, width, height, fps);
79 fprintf(stderr, "Cannot open input file %s\n", vdev);
84 os = open_output_stream(dst, dport, CODEC_TYPE_VIDEO);
86 fprintf(stderr, "Cannot open output stream\n");
90 os->streams[0]->codec->width = s->streams[0]->codec->width;
91 os->streams[0]->codec->height = s->streams[0]->codec->height;
92 os->streams[0]->codec->time_base = s->streams[0]->codec->time_base;
93 codec_connect(s->streams[0]->codec, os->streams[0]->codec);
95 dump_format(os, 0, os->filename, 1);
96 sdp_print(os, sdp_file);
100 pkt = read_input_packet(s);
107 pkt->pts += s->streams[pkt->stream_index]->start_time;
108 rt_job_start(pkt->pts);
109 f = pkt_decode(s, pkt);
111 opkt = pkt_encode(os, f);