/*
dummy_cam_0.2.c
■環境設定を行います。
sudo apt-get update
sudo apt-get install libgstrtspserver-1.0-dev
export PKG_CONFIG_PATH=/usr/lib/x86_64-linux-gnu/pkgconfig:$PKG_CONFIG_PATH
"192.168.1.11.mp4"というmp4ファイルを用意しておいて下さい。
■プログラムをコンパイルして実行するには、以下のコマンドを使用します:
gcc -o dummy_cam_0.2 dummy_cam_0.2.c `pkg-config --cflags --libs gstreamer-1.0 gstreamer-rtsp-server-1.0`
./dummy_cam_0.2 -r rtsp://127.0.0.1:8554/test -f 192.168.1.11.mp4
■また、ヘルプメッセージを表示するには、以下のコマンドを使用します:
./dummy_cam_0.2 -h
■稼動確認環境
(車上) 192.168.101.30
cam@cam-desktop:~/cpp/src$ ./dummy_cam_0.2
cam@cam-desktop:~/cpp/src$ ./abc_vtp_0.1 -i 192.168.101.10 -p 38089 -r rtsp://127.0.0.1:8554/test
(地上) 192.168.101.10
pt@pt-desktop:~/go/src$ more srt_rtsp_server_38089.sh
#!/bin/bash
gst-launch-1.0 srtsrc uri=srt://:38089 keep-listening=true ! decodebin ! autovid
eosink
*/
#include <gst/gst.h>
#include <gst/rtsp-server/rtsp-server.h>
#include <stdio.h>
#include <string.h>
void print_usage(const char *prog_name) {
g_print("Usage: %s -r [RTSP_URL] -f [MP4_FILE]\n", prog_name);
g_print("Default RTSP_URL: rtsp://127.0.0.1:8554/test\n");
g_print("Default MP4_FILE: 192.168.1.11.mp4\n");
g_print("Example: %s -r rtsp://127.0.0.1:8554/test -f 192.168.1.11.mp4\n", prog_name);
}
int main(int argc, char *argv[]) {
GMainLoop *loop;
GstRTSPServer *server;
GstRTSPMountPoints *mounts;
GstRTSPMediaFactory *factory;
const char *default_url = "rtsp://127.0.0.1:8554/test";
const char *default_mp4 = "192.168.1.11.mp4";
const char *rtsp_url = default_url;
const char *mp4_file = default_mp4;
char path[256] = "/test";
char service[6] = "8554"; // ポート番号のデフォルト値
for (int i = 1; i < argc; i++) {
if (strcmp(argv[i], "-h") == 0) {
print_usage(argv[0]);
return 0;
} else if (strcmp(argv[i], "-r") == 0 && i + 1 < argc) {
rtsp_url = argv[++i];
// RTSP URLのポート番号とパス部分を抽出
const char *url_port = strchr(rtsp_url + strlen("rtsp://"), ':');
if (url_port != NULL) {
url_port++;
const char *url_path = strchr(url_port, '/');
if (url_path != NULL) {
strncpy(path, url_path, sizeof(path) - 1);
path[sizeof(path) - 1] = '\0'; // Null terminatorを追加
int port_length = url_path - url_port;
if (port_length < sizeof(service)) {
strncpy(service, url_port, port_length);
service[port_length] = '\0'; // Null terminatorを追加
}
}
}
} else if (strcmp(argv[i], "-f") == 0 && i + 1 < argc) {
mp4_file = argv[++i];
}
}
gst_init(&argc, &argv);
loop = g_main_loop_new(NULL, FALSE);
server = gst_rtsp_server_new();
gst_rtsp_server_set_service(server, service);
mounts = gst_rtsp_server_get_mount_points(server);
factory = gst_rtsp_media_factory_new();
char launch_string[512];
snprintf(launch_string, sizeof(launch_string),
"( filesrc location=%s ! qtdemux name=d d.video_0 ! queue ! rtph264pay pt=96 name=pay0 )",
mp4_file);
gst_rtsp_media_factory_set_launch(factory, launch_string);
// ループ設定を追加
//g_object_set(factory, "loop", TRUE, NULL);
gst_rtsp_mount_points_add_factory(mounts, path, factory);
g_object_unref(mounts);
gst_rtsp_server_attach(server, NULL);
g_print("Stream ready at %s with file %s\n", rtsp_url, mp4_file);
g_main_loop_run(loop);
return 0;
}