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 frsh_rtp_budget, frsh_rtp_period_ms, frsh_rtp_deadline_ms;
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 = 320;
39 static int height = 240;
40 static int bitrate = 1000000;
42 static const char *impform = "video4linux2";
43 AVFormatContext *s, *os;
45 static void sdp_print(AVFormatContext *s, const char *fname)
50 f = fopen(fname, "w");
51 avf_sdp_create(&s, 1, sdp, sizeof(sdp));
52 fprintf(f, "%s\n", sdp);
59 printf("usage: streamer [ options ]\n");
60 printf(" -w <number> send image width\n");
61 printf(" -h <number> send image height\n");
62 printf(" -r <number> refresh rate\n");
63 printf(" -r <path> video device [%s]\n", vdev);
64 printf(" -m <addr> destination IP address\n");
65 printf(" -i <string> input video device format [%s]\n", impform);
66 printf(" -p <port> destination port [%d]\n", dport);
67 printf(" -b <bitrate> bitrate in b/s [%d]\n", bitrate);
69 printf(" -l <number>|<domain>=<number>,...\n");
70 #endif /*CONFIG_OC_ULUT*/
73 static int args_parse(int argc, char *argv[])
77 while ((v = getopt(argc, argv, "w:h:r:d:m:i:l:b:p:")) >= 0) {
86 height = atoi(optarg);
92 bitrate = atoi(optarg);
102 if(!strcmp(impform, "v4l"))
103 impform = "video4linux";
104 else if(!strcmp(impform, "v4l2"))
105 impform = "video4linux2";
107 #ifdef CONFIG_OC_ULUT
109 ul_log_domain_arg2levels(optarg);
111 #endif /*CONFIG_OC_ULUT*/
113 default: /* unknown option */
114 fprintf(stderr, "%s: illegal option %c\n", argv[0], v);
123 int streamer_run_done_rq;
126 timespec_subtract (struct timespec *result,
130 /* Perform the carry for the later subtraction by updating Y. */
131 if (x->tv_nsec < y->tv_nsec) {
132 int num_sec = (y->tv_nsec - x->tv_nsec) / 1000000000 + 1;
133 y->tv_nsec -= 1000000000 * num_sec;
134 y->tv_sec += num_sec;
136 if (x->tv_nsec - y->tv_nsec > 1000000000) {
137 int num_sec = (x->tv_nsec - y->tv_nsec) / 1000000000;
138 y->tv_nsec += 1000000000 * num_sec;
139 y->tv_sec -= num_sec;
142 /* Compute the time remaining to wait.
143 `tv_nsec' is certainly positive. */
144 result->tv_sec = x->tv_sec - y->tv_sec;
145 result->tv_nsec = x->tv_nsec - y->tv_nsec;
147 /* Return 1 if result is negative. */
148 return x->tv_sec < y->tv_sec;
152 void* streamer_run(void* args)
157 struct timespec start, end, d;
158 static unsigned max_size = 0, min_size = -1;
159 static double avg_size = 0;
160 clock_gettime(CLOCK_MONOTONIC, &start);
162 while (!(done = streamer_run_done_rq)) {
164 pkt = read_input_packet(s);
171 pkt->pts += s->streams[pkt->stream_index]->start_time;
172 //rt_job_start(pkt->pts);
173 f = pkt_decode(s, pkt);
175 opkt = pkt_encode(os, f);
179 clock_gettime(CLOCK_MONOTONIC, &end);
180 timespec_subtract(&d, &end, &start);
181 int fps_now = (1000<<8)/(d.tv_sec*1000+d.tv_nsec/1000000);
183 fps_avg += (fps_now - fps_avg) >> 3;
185 if (opkt->size > max_size)
186 max_size = opkt->size;
187 if (opkt->size < min_size)
188 min_size = opkt->size;
189 avg_size = avg_size*frame/(frame+1) + (double)opkt->size/(frame+1);
190 printf("%5d: %2d fps opkt size: %5d b max=%5u b min=%5u b avg=%5.0f\n",
193 opkt->size, max_size, min_size, avg_size);
194 if (frame % 100 == 0) max_size=0;
195 frame++;// = (frame + 1) % fps;
206 void wait_for_ending_command(void) {
208 sigemptyset(&sigset);
209 sigaddset(&sigset, SIGINT);
210 sigaddset(&sigset, SIGTERM);
211 sigwaitinfo(&sigset, NULL);
213 static void block_signals(void) {
215 sigemptyset(&sigset);
216 sigaddset(&sigset, SIGINT);
217 sigaddset(&sigset, SIGTERM);
218 sigprocmask(SIG_BLOCK,&sigset,NULL);
219 pthread_sigmask(SIG_BLOCK,&sigset,NULL);
223 int main(int argc, char *argv[])
226 //long int cpu_budget, cpu_period;
231 #ifdef CONFIG_FFMPEG_WITH_FRSH
233 if (ret) PERROR_AND_EXIT(ret, "frsh_init1");
235 /* fill default network contract params */
236 frsh_rtp_budget = 100*bitrate/8/100;
237 frsh_rtp_period_ms = 1000;
238 frsh_rtp_deadline_ms = 1000/fps;
239 #endif /*CONFIG_FFMPEG_WITH_FRSH*/
241 avcodec_register_all();
243 avdevice_register_all();
245 args_parse(argc, argv);
247 s = open_input_stream(vdev, width, height, fps, impform);
249 fprintf(stderr, "Cannot open input file %s\n", vdev);
254 os = open_output_stream(dst, dport, CODEC_TYPE_VIDEO, fps);
256 fprintf(stderr, "Cannot open output stream\n");
260 os->streams[0]->codec->width = s->streams[0]->codec->width;
261 os->streams[0]->codec->height = s->streams[0]->codec->height;
262 os->streams[0]->codec->time_base = s->streams[0]->codec->time_base;
263 os->streams[0]->codec->bit_rate = bitrate;
264 codec_connect(s->streams[0]->codec, os->streams[0]->codec);
266 dump_format(os, 0, os->filename, 1);
267 sdp_print(os, sdp_file);
269 #if CONFIG_STREAMER_WITH_FRSH && CONFIG_AQUOSA
270 frsh_thread_attr_t frsh_attr;
271 frsh_thread_id_t thread;
272 frsh_vres_id_t cpu_vres;
273 frsh_contract_t cpu_contract;
274 frsh_rel_time_t cpu_budget, cpu_period;
276 cpu_budget = fosa_msec_to_rel_time(50);
277 cpu_period = fosa_msec_to_rel_time(100);
278 /* Contract negotiation for CPU */
279 ret = frsh_contract_init(&cpu_contract);
280 if (ret) PERROR_AND_EXIT(ret, "CPU:frsh_contract_init");
282 ret = frsh_contract_set_basic_params(&cpu_contract,
287 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_set_basic_params");
288 ret = frsh_contract_set_resource_and_label(&cpu_contract,
289 FRSH_RT_PROCESSOR, FRSH_CPU_ID_DEFAULT, "aqcpu_cont");
290 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_set_resource_and_label");
292 ret = frsh_contract_negotiate(&cpu_contract, &cpu_vres);
293 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_negotiate");
294 printf("Aqcpu vres negotiated\n");
296 pthread_attr_init(&frsh_attr);
297 ret = frsh_thread_create_and_bind(cpu_vres, &thread, &frsh_attr,
298 streamer_run, (void*) NULL);
299 if (ret) PERROR_AND_EXIT(ret, "frsh_thread_create_and_bind");
301 wait_for_ending_command();
303 streamer_run_done_rq = 1;
305 pthread_join(thread.pthread_id, (void**) NULL);
307 printf("Ending contracts\n");
309 ret = frsh_contract_cancel(cpu_vres);
310 if (ret) PERROR_AND_EXIT(ret, "frsh_contract_cancel");
312 printf("Finishing\n");
314 close_output_stream(os);
317 pthread_t streamer_th;
319 pthread_attr_init(&attr);
321 ret = pthread_create(&streamer_th, &attr, streamer_run, (void*) NULL);
323 printf("Failed to create streamer thread\n.");
325 wait_for_ending_command();
327 streamer_run_done_rq = 1;
329 pthread_join(streamer_th, (void**) NULL);
331 printf("Finishing\n");
333 close_output_stream(os);