2 * Copyright (c) 2008 Luca Abeni
4 * This is free software; see GPL.txt
11 #include <libavformat/avformat.h>
12 #include <libavdevice/avdevice.h>
13 #include <libswscale/swscale.h>
20 #include "streamer_config.h"
24 #include <ul_logreg.h>
27 #ifdef CONFIG_FFMPEG_WITH_FRSH
30 /*temporrary solution to pass network parameters */
31 extern long int avformat_frsh_budget, avformat_frsh_period;
32 #endif /*CONFIG_STREAMER_WITH_FRSH*/
34 static const char *sdp_file = "sdp.txt";
35 static const char *vdev = "/dev/video0";
36 static const char *dst = "127.0.0.1";
37 static int dport = 20000;
38 static int width = 640;
39 static int height = 480;
41 static const char *impform = "video4linux2";
42 AVFormatContext *s, *os;
44 static void sdp_print(AVFormatContext *s, const char *fname)
49 f = fopen(fname, "w");
50 avf_sdp_create(&s, 1, sdp, sizeof(sdp));
51 fprintf(f, "%s\n", sdp);
58 printf("usage: streamer [ options ]\n");
59 printf(" -w <number> send image width\n");
60 printf(" -h <number> send image height\n");
61 printf(" -r <number> refresh rate\n");
62 printf(" -r <path> video device [%s]\n", vdev);
63 printf(" -m <addr> destination IP address\n");
64 printf(" -i <string> input video device format [%s]\n", impform);
65 #ifdef CONFIG_STREAMER_WITH_FRSH
66 printf(" -b <number> network budget\n");
67 printf(" -p <number> network period for given budget\n");
68 #endif /*CONFIG_STREAMER_WITH_FRSH*/
70 printf(" -l <number>|<domain>=<number>,...\n");
71 #endif /*CONFIG_OC_ULUT*/
74 static int args_parse(int argc, char *argv[])
78 while ((v = getopt(argc, argv, "w:h:r:d:m:i:l:b:p:")) >= 0) {
84 height = atoi(optarg);
97 if(!strcmp(impform, "v4l"))
98 impform = "video4linux";
99 else if(!strcmp(impform, "v4l2"))
100 impform = "video4linux2";
102 #ifdef CONFIG_STREAMER_WITH_FRSH
104 udp_budget = atol(optarg);
107 udp_period = atol(optarg);
109 #endif /*CONFIG_STREAMER_WITH_FRSH*/
111 #ifdef CONFIG_OC_ULUT
113 ul_log_domain_arg2levels(optarg);
115 #endif /*CONFIG_OC_ULUT*/
117 default: /* unknown option */
118 fprintf(stderr, "%s: illegal option %c\n", argv[0], v);
127 int streamer_run_done_rq;
130 timespec_subtract (struct timespec *result,
134 /* Perform the carry for the later subtraction by updating Y. */
135 if (x->tv_nsec < y->tv_nsec) {
136 int num_sec = (y->tv_nsec - x->tv_nsec) / 1000000000 + 1;
137 y->tv_nsec -= 1000000000 * num_sec;
138 y->tv_sec += num_sec;
140 if (x->tv_nsec - y->tv_nsec > 1000000000) {
141 int num_sec = (x->tv_nsec - y->tv_nsec) / 1000000000;
142 y->tv_nsec += 1000000000 * num_sec;
143 y->tv_sec -= num_sec;
146 /* Compute the time remaining to wait.
147 `tv_nsec' is certainly positive. */
148 result->tv_sec = x->tv_sec - y->tv_sec;
149 result->tv_nsec = x->tv_nsec - y->tv_nsec;
151 /* Return 1 if result is negative. */
152 return x->tv_sec < y->tv_sec;
156 void* streamer_run(void* args)
161 struct timespec start, end, d;
162 clock_gettime(CLOCK_MONOTONIC, &start);
164 while (!(done = streamer_run_done_rq)) {
166 pkt = read_input_packet(s);
173 pkt->pts += s->streams[pkt->stream_index]->start_time;
174 //rt_job_start(pkt->pts);
175 f = pkt_decode(s, pkt);
177 opkt = pkt_encode(os, f);
181 clock_gettime(CLOCK_MONOTONIC, &end);
182 timespec_subtract(&d, &end, &start);
183 int fps_now = (1000<<8)/(d.tv_sec*1000+d.tv_nsec/1000000);
185 fps_avg += (fps_now - fps_avg) >> 3;
187 printf("%5d: %d fps opkt size: %d\n",
191 frame++;// = (frame + 1) % fps;
202 void wait_for_ending_command(void) {
204 sigemptyset(&sigset);
205 sigaddset(&sigset, SIGINT);
206 sigaddset(&sigset, SIGTERM);
207 sigwaitinfo(&sigset, NULL);
209 static void block_signals(void) {
211 sigemptyset(&sigset);
212 sigaddset(&sigset, SIGINT);
213 sigaddset(&sigset, SIGTERM);
214 sigprocmask(SIG_BLOCK,&sigset,NULL);
215 pthread_sigmask(SIG_BLOCK,&sigset,NULL);
219 int main(int argc, char *argv[])
222 //long int cpu_budget, cpu_period;
227 #ifdef CONFIG_FFMPEG_WITH_FRSH
229 if (ret) PERROR_AND_EXIT(ret, "frsh_init1");
231 /* fill default network contract params */
232 avformat_frsh_budget = 50000;
233 avformat_frsh_period = 500;
234 #endif /*CONFIG_FFMPEG_WITH_FRSH*/
236 avcodec_register_all();
238 avdevice_register_all();
240 args_parse(argc, argv);
242 s = open_input_stream(vdev, width, height, fps, impform);
244 fprintf(stderr, "Cannot open input file %s\n", vdev);
249 os = open_output_stream(dst, dport, CODEC_TYPE_VIDEO);
251 fprintf(stderr, "Cannot open output stream\n");
255 os->streams[0]->codec->width = s->streams[0]->codec->width;
256 os->streams[0]->codec->height = s->streams[0]->codec->height;
257 os->streams[0]->codec->time_base = s->streams[0]->codec->time_base;
258 os->streams[0]->codec->bit_rate = 1000000;
259 codec_connect(s->streams[0]->codec, os->streams[0]->codec);
261 dump_format(os, 0, os->filename, 1);
262 sdp_print(os, sdp_file);
264 #if CONFIG_STREAMER_WITH_FRSH && CONFIG_AQUOSA
265 frsh_thread_attr_t frsh_attr;
266 frsh_thread_id_t thread;
267 frsh_vres_id_t cpu_vres;
268 frsh_contract_t cpu_contract;
269 frsh_rel_time_t cpu_budget, cpu_period;
271 cpu_budget = fosa_msec_to_rel_time(50);
272 cpu_period = fosa_msec_to_rel_time(100);
273 /* Contract negotiation for CPU */
274 ret = frsh_contract_init(&cpu_contract);
275 if (ret) PERROR_AND_EXIT(ret, "CPU:frsh_contract_init");
277 ret = frsh_contract_set_basic_params(&cpu_contract,
282 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_set_basic_params");
283 ret = frsh_contract_set_resource_and_label(&cpu_contract,
284 FRSH_RT_PROCESSOR, FRSH_CPU_ID_DEFAULT, "aqcpu_cont");
285 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_set_resource_and_label");
287 ret = frsh_contract_negotiate(&cpu_contract, &cpu_vres);
288 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_negotiate");
289 printf("Aqcpu vres negotiated\n");
291 pthread_attr_init(&frsh_attr);
292 ret = frsh_thread_create_and_bind(cpu_vres, &thread, &frsh_attr,
293 streamer_run, (void*) NULL);
294 if (ret) PERROR_AND_EXIT(ret, "frsh_thread_create_and_bind");
296 wait_for_ending_command();
298 streamer_run_done_rq = 1;
300 pthread_join(thread.pthread_id, (void**) NULL);
302 printf("Ending contracts\n");
304 ret = frsh_contract_cancel(cpu_vres);
305 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_cancel");
307 printf("Finishing\n");
309 close_output_stream(os);
312 pthread_t streamer_th;
314 pthread_attr_init(&attr);
316 ret = pthread_create(&streamer_th, &attr, streamer_run, (void*) NULL);
318 printf("Failed to create streamer thread\n.");
320 wait_for_ending_command();
322 streamer_run_done_rq = 1;
324 pthread_join(streamer_th, (void**) NULL);
326 printf("Finishing\n");
328 close_output_stream(os);