videostream.c 33 KB
Newer Older
aymeric's avatar
aymeric committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
/*
mediastreamer2 library - modular sound and video processing and streaming
Copyright (C) 2006  Simon MORLAT (simon.morlat@linphone.org)

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

#include "mediastreamer2/mediastream.h"
#include "mediastreamer2/msfilter.h"
22
#include "mediastreamer2/msinterfaces.h"
aymeric's avatar
aymeric committed
23 24 25
#include "mediastreamer2/msvideo.h"
#include "mediastreamer2/msrtp.h"
#include "mediastreamer2/msvideoout.h"
26
#include "mediastreamer2/msextdisplay.h"
Ghislain MARY's avatar
Ghislain MARY committed
27
#include "private.h"
Simon Morlat's avatar
Simon Morlat committed
28

Guillaume Beraudo's avatar
Guillaume Beraudo committed
29
#include <ortp/zrtp.h>
aymeric's avatar
aymeric committed
30

Simon Morlat's avatar
Simon Morlat committed
31

Ghislain MARY's avatar
Ghislain MARY committed
32
void video_stream_free(VideoStream *stream) {
33 34 35 36 37 38 39 40
	/* Prevent filters from being destroyed two times */
	if (stream->source_performs_encoding == TRUE) {
		stream->ms.encoder = NULL;
	}
	if (stream->output_performs_decoding == TRUE) {
		stream->ms.decoder = NULL;
	}

Ghislain MARY's avatar
Ghislain MARY committed
41
	media_stream_free(&stream->ms);
42

aymeric's avatar
aymeric committed
43 44 45 46
	if (stream->source != NULL)
		ms_filter_destroy (stream->source);
	if (stream->output != NULL)
		ms_filter_destroy (stream->output);
47 48
	if (stream->sizeconv != NULL)
		ms_filter_destroy (stream->sizeconv);
aymeric's avatar
aymeric committed
49 50 51 52
	if (stream->pixconv!=NULL)
		ms_filter_destroy(stream->pixconv);
	if (stream->tee!=NULL)
		ms_filter_destroy(stream->tee);
53 54 55 56
	if (stream->tee2!=NULL)
		ms_filter_destroy(stream->tee2);
	if (stream->jpegwriter!=NULL)
		ms_filter_destroy(stream->jpegwriter);
57 58
	if (stream->output2!=NULL)
		ms_filter_destroy(stream->output2);
59 60
	if (stream->display_name!=NULL)
		ms_free(stream->display_name);
61

aymeric's avatar
aymeric committed
62 63 64
	ms_free (stream);
}

65 66
static void event_cb(void *ud, MSFilter* f, unsigned int event, void *eventdata){
	VideoStream *st=(VideoStream*)ud;
Simon Morlat's avatar
Simon Morlat committed
67
	ms_message("event_cb called %u", event);
68 69 70 71 72
	if (st->eventcb!=NULL){
		st->eventcb(st->event_pointer,f,event,eventdata);
	}
}

Simon Morlat's avatar
Simon Morlat committed
73
static void video_stream_process_rtcp(MediaStream *media_stream, mblk_t *m){
jehan's avatar
jehan committed
74
	VideoStream *stream = (VideoStream *)media_stream;
Ghislain MARY's avatar
Ghislain MARY committed
75 76
	unsigned int i;

aymeric's avatar
aymeric committed
77 78 79 80 81
	do{
		if (rtcp_is_SR(m)){
			const report_block_t *rb;
			rb=rtcp_SR_get_report_block(m,0);
			if (rb){
82
				float rt=rtp_session_get_round_trip_propagation(stream->ms.sessions.rtp_session);
aymeric's avatar
aymeric committed
83
				float flost;
Ghislain MARY's avatar
Ghislain MARY committed
84
				i=report_block_get_interarrival_jitter(rb);
aymeric's avatar
aymeric committed
85
				flost=(float)(100.0*report_block_get_fraction_lost(rb)/256.0);
Ghislain MARY's avatar
Ghislain MARY committed
86
				ms_message("video_stream_process_rtcp[%p]: interarrival jitter=%u , lost packets percentage since last report=%f, round trip time=%f seconds",stream,i,flost,rt);
Ghislain MARY's avatar
Ghislain MARY committed
87 88
				if (stream->ms.rc)
					ms_bitrate_controller_process_rtcp(stream->ms.rc,m);
aymeric's avatar
aymeric committed
89
			}
90 91 92 93 94 95 96 97
		} else if (rtcp_is_PSFB(m)) {
			if (rtcp_PSFB_get_type(m) == RTCP_PSFB_FIR) {
				/* Special case for FIR where the packet sender ssrc must be equal to 0. */
				if ((rtcp_PSFB_get_media_source_ssrc(m) == rtp_session_get_recv_ssrc(stream->ms.sessions.rtp_session))
					&& (rtcp_PSFB_get_packet_sender_ssrc(m) == 0)) {
					for (i = 0; ; i++) {
						rtcp_fb_fir_fci_t *fci = rtcp_PSFB_fir_get_fci(m, i);
						if (fci == NULL) break;
Ghislain MARY's avatar
Ghislain MARY committed
98 99
						if (rtcp_fb_fir_fci_get_ssrc(fci) == rtp_session_get_send_ssrc(stream->ms.sessions.rtp_session)) {
							uint8_t seq_nr = rtcp_fb_fir_fci_get_seq_nr(fci);
100 101 102 103 104 105 106 107 108 109 110 111
							ms_filter_call_method(stream->ms.encoder, MS_VIDEO_ENCODER_NOTIFY_FIR, &seq_nr);
							break;
						}
					}
				}
			} else {
				if ((rtcp_PSFB_get_media_source_ssrc(m) == rtp_session_get_recv_ssrc(stream->ms.sessions.rtp_session))
					&& (rtcp_PSFB_get_packet_sender_ssrc(m) == rtp_session_get_send_ssrc(stream->ms.sessions.rtp_session))) {
					switch (rtcp_PSFB_get_type(m)) {
						case RTCP_PSFB_PLI:
							ms_filter_call_method_noarg(stream->ms.encoder, MS_VIDEO_ENCODER_NOTIFY_PLI);
							break;
Ghislain MARY's avatar
Ghislain MARY committed
112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131
						case RTCP_PSFB_SLI:
							for (i = 0; ; i++) {
								rtcp_fb_sli_fci_t *fci = rtcp_PSFB_sli_get_fci(m, i);
								MSVideoCodecSLI sli;
								if (fci == NULL) break;
								sli.first = rtcp_fb_sli_fci_get_first(fci);
								sli.number = rtcp_fb_sli_fci_get_number(fci);
								sli.picture_id = rtcp_fb_sli_fci_get_picture_id(fci);
								ms_filter_call_method(stream->ms.encoder, MS_VIDEO_ENCODER_NOTIFY_SLI, &sli);
							}
							break;
						case RTCP_PSFB_RPSI:
						{
							rtcp_fb_rpsi_fci_t *fci = rtcp_PSFB_rpsi_get_fci(m);
							MSVideoCodecRPSI rpsi;
							rpsi.bit_string = rtcp_fb_rpsi_fci_get_bit_string(fci);
							rpsi.bit_string_len = rtcp_PSFB_rpsi_get_fci_bit_string_len(m);
							ms_filter_call_method(stream->ms.encoder, MS_VIDEO_ENCODER_NOTIFY_RPSI, &rpsi);
						}
							break;
132 133 134 135 136
						default:
							break;
					}
				}
			}
aymeric's avatar
aymeric committed
137 138 139 140
		}
	}while(rtcp_next_packet(m));
}

141
static void stop_preload_graph(VideoStream *stream){
142
	ms_ticker_detach(stream->ms.sessions.ticker,stream->ms.rtprecv);
Ghislain MARY's avatar
Ghislain MARY committed
143 144 145 146
	ms_filter_unlink(stream->ms.rtprecv,0,stream->ms.voidsink,0);
	ms_filter_destroy(stream->ms.voidsink);
	ms_filter_destroy(stream->ms.rtprecv);
	stream->ms.voidsink=stream->ms.rtprecv=NULL;
147 148
}

aymeric's avatar
aymeric committed
149
void video_stream_iterate(VideoStream *stream){
150
	media_stream_iterate(&stream->ms);
aymeric's avatar
aymeric committed
151 152
}

Simon Morlat's avatar
Simon Morlat committed
153
const char *video_stream_get_default_video_renderer(void){
154
#ifdef WIN32
Simon Morlat's avatar
Simon Morlat committed
155
	return "MSDrawDibDisplay";
156
#elif defined(ANDROID)
Simon Morlat's avatar
Simon Morlat committed
157
	return "MSAndroidDisplay";
158
#elif __APPLE__ && !defined(__ios)
Simon Morlat's avatar
Simon Morlat committed
159
	return "MSOSXGLDisplay";
160
#elif defined (HAVE_XV)
Simon Morlat's avatar
Simon Morlat committed
161
	return "MSX11Video";
162
#elif defined(HAVE_GL)
Simon Morlat's avatar
Simon Morlat committed
163
	return "MSGLXVideo";
Simon Morlat's avatar
Simon Morlat committed
164
#elif defined(__ios)
Simon Morlat's avatar
Simon Morlat committed
165
	return "IOSDisplay";
Simon Morlat's avatar
Simon Morlat committed
166
#else
Simon Morlat's avatar
Simon Morlat committed
167
	return "MSVideoOut";
168 169 170
#endif
}

Simon Morlat's avatar
Simon Morlat committed
171 172 173 174
static void choose_display_name(VideoStream *stream){
	stream->display_name=ms_strdup(video_stream_get_default_video_renderer());
}

175
VideoStream *video_stream_new(int loc_rtp_port, int loc_rtcp_port, bool_t use_ipv6){
176 177 178 179 180 181 182 183 184
	MSMediaStreamSessions sessions={0};
	VideoStream *obj;
	sessions.rtp_session=create_duplex_rtpsession(loc_rtp_port,loc_rtcp_port,use_ipv6);
	obj=video_stream_new_with_sessions(&sessions);
	obj->ms.owns_sessions=TRUE;
	return obj;
}

VideoStream *video_stream_new_with_sessions(const MSMediaStreamSessions *sessions){
aymeric's avatar
aymeric committed
185
	VideoStream *stream = (VideoStream *)ms_new0 (VideoStream, 1);
Ghislain MARY's avatar
Ghislain MARY committed
186
	stream->ms.type = VideoStreamType;
187 188
	stream->ms.sessions=*sessions;
	stream->ms.qi=ms_quality_indicator_new(stream->ms.sessions.rtp_session);
Ghislain MARY's avatar
Ghislain MARY committed
189 190 191
	stream->ms.evq=ortp_ev_queue_new();
	stream->ms.rtpsend=ms_filter_new(MS_RTP_SEND_ID);
	stream->ms.ice_check_list=NULL;
192
	rtp_session_register_event_queue(stream->ms.sessions.rtp_session,stream->ms.evq);
Ghislain MARY's avatar
Ghislain MARY committed
193
	MS_VIDEO_SIZE_ASSIGN(stream->sent_vsize, CIF);
194
	stream->dir=VideoStreamSendRecv;
195
	stream->display_filter_auto_rotate_enabled=0;
196 197
	stream->source_performs_encoding = FALSE;
	stream->output_performs_decoding = FALSE;
198
	choose_display_name(stream);
Simon Morlat's avatar
Simon Morlat committed
199
	stream->ms.process_rtcp=video_stream_process_rtcp;
aymeric's avatar
aymeric committed
200 201 202
	return stream;
}

smorlat's avatar
smorlat committed
203
void video_stream_set_sent_video_size(VideoStream *stream, MSVideoSize vsize){
204
	ms_message("Setting video size %dx%d", vsize.width, vsize.height);
='s avatar
= committed
205
	stream->sent_vsize=vsize;
smorlat's avatar
smorlat committed
206 207
}

Ghislain MARY's avatar
Ghislain MARY committed
208
MSVideoSize video_stream_get_sent_video_size(const VideoStream *stream) {
Ghislain MARY's avatar
Ghislain MARY committed
209 210
	MSVideoSize vsize;
	MS_VIDEO_SIZE_ASSIGN(vsize, UNKNOWN);
211 212 213 214 215 216
	if (stream->ms.encoder != NULL) {
		ms_filter_call_method(stream->ms.encoder, MS_FILTER_GET_VIDEO_SIZE, &vsize);
	}
	return vsize;
}

Ghislain MARY's avatar
Ghislain MARY committed
217
MSVideoSize video_stream_get_received_video_size(const VideoStream *stream) {
Ghislain MARY's avatar
Ghislain MARY committed
218 219
	MSVideoSize vsize;
	MS_VIDEO_SIZE_ASSIGN(vsize, UNKNOWN);
220 221 222 223 224 225
	if (stream->ms.decoder != NULL) {
		ms_filter_call_method(stream->ms.decoder, MS_FILTER_GET_VIDEO_SIZE, &vsize);
	}
	return vsize;
}

aymeric's avatar
aymeric committed
226
void video_stream_set_relay_session_id(VideoStream *stream, const char *id){
Ghislain MARY's avatar
Ghislain MARY committed
227
	ms_filter_call_method(stream->ms.rtpsend, MS_RTP_SEND_SET_RELAY_SESSION_ID,(void*)id);
aymeric's avatar
aymeric committed
228 229
}

smorlat's avatar
smorlat committed
230
void video_stream_enable_self_view(VideoStream *stream, bool_t val){
='s avatar
= committed
231
	MSFilter *out=stream->output;
232 233 234 235
	stream->corner=val ? 0 : -1;
	if (out){
		ms_filter_call_method(out,MS_VIDEO_DISPLAY_SET_LOCAL_VIEW_MODE,&stream->corner);
	}
smorlat's avatar
smorlat committed
236
}
aymeric's avatar
aymeric committed
237

238 239 240 241 242
void video_stream_set_render_callback (VideoStream *s, VideoStreamRenderCallback cb, void *user_pointer){
	s->rendercb=cb;
	s->render_pointer=user_pointer;
}

243 244 245 246 247
void video_stream_set_event_callback (VideoStream *s, VideoStreamEventCallback cb, void *user_pointer){
	s->eventcb=cb;
	s->event_pointer=user_pointer;
}

248 249 250 251 252 253 254 255 256
void video_stream_set_display_filter_name(VideoStream *s, const char *fname){
	if (s->display_name!=NULL){
		ms_free(s->display_name);
		s->display_name=NULL;
	}
	if (fname!=NULL)
		s->display_name=ms_strdup(fname);
}

257 258

static void ext_display_cb(void *ud, MSFilter* f, unsigned int event, void *eventdata){
259 260 261 262 263 264 265 266 267
	MSExtDisplayOutput *output=(MSExtDisplayOutput*)eventdata;
	VideoStream *st=(VideoStream*)ud;
	if (st->rendercb!=NULL){
		st->rendercb(st->render_pointer,
		            output->local_view.w!=0 ? &output->local_view : NULL,
		            output->remote_view.w!=0 ? &output->remote_view : NULL);
	}
}

268
void video_stream_set_direction(VideoStream *vs, VideoStreamDir dir){
='s avatar
= committed
269
	vs->dir=dir;
270 271
}

Simon Morlat's avatar
Simon Morlat committed
272 273 274 275
static MSVideoSize get_compatible_size(MSVideoSize maxsize, MSVideoSize wished_size){
	int max_area=maxsize.width*maxsize.height;
	int whished_area=wished_size.width*wished_size.height;
	if (whished_area>max_area){
276
		return maxsize;
Simon Morlat's avatar
Simon Morlat committed
277 278 279 280
	}
	return wished_size;
}

281 282 283 284 285 286 287 288 289 290
static MSVideoSize get_with_same_orientation(MSVideoSize size, MSVideoSize refsize){
	if (ms_video_size_get_orientation(refsize)!=ms_video_size_get_orientation(size)){
		int tmp;
		tmp=size.width;
		size.width=size.height;
		size.height=tmp;
	}
	return size;
}

291 292 293 294
static void configure_video_source(VideoStream *stream){
	MSVideoSize vsize,cam_vsize;
	float fps=15;
	MSPixFmt format;
295
	bool_t encoder_has_builtin_converter = FALSE;
296

297 298
	/* transmit orientation to source filter */
	ms_filter_call_method(stream->source,MS_VIDEO_CAPTURE_SET_DEVICE_ORIENTATION,&stream->device_orientation);
Simon Morlat's avatar
Simon Morlat committed
299 300 301
	/* initialize the capture device orientation for preview */
	if( ms_filter_has_method(stream->source, MS_VIDEO_DISPLAY_SET_DEVICE_ORIENTATION) )
		ms_filter_call_method(stream->source,MS_VIDEO_DISPLAY_SET_DEVICE_ORIENTATION,&stream->device_orientation);
302

Simon Morlat's avatar
Simon Morlat committed
303
	/* transmit its preview window id if any to source filter*/
304 305 306
	if (stream->preview_window_id!=0){
		video_stream_set_native_preview_window_id(stream, stream->preview_window_id);
	}
307

Ghislain MARY's avatar
Ghislain MARY committed
308 309
	ms_filter_call_method(stream->ms.encoder, MS_VIDEO_ENCODER_HAS_BUILTIN_CONVERTER, &encoder_has_builtin_converter);
	ms_filter_call_method(stream->ms.encoder,MS_FILTER_GET_VIDEO_SIZE,&vsize);
Simon Morlat's avatar
Simon Morlat committed
310
	vsize=get_compatible_size(vsize,stream->sent_vsize);
311 312 313
	ms_filter_call_method(stream->source,MS_FILTER_SET_VIDEO_SIZE,&vsize);
	/*the camera may not support the target size and suggest a one close to the target */
	ms_filter_call_method(stream->source,MS_FILTER_GET_VIDEO_SIZE,&cam_vsize);
314 315
	if (cam_vsize.width*cam_vsize.height<=vsize.width*vsize.height &&
			cam_vsize.width != vsize.width){
316
		vsize=cam_vsize;
317
		ms_message("Output video size adjusted to match camera resolution (%ix%i)\n",vsize.width,vsize.height);
318
	} else if (cam_vsize.width*cam_vsize.height>vsize.width*vsize.height){
319
#if TARGET_IPHONE_SIMULATOR || defined(__arm__)
320 321 322 323 324 325
		ms_error("Camera is proposing a size bigger than encoder's suggested size (%ix%i > %ix%i) "
		           "Using the camera size as fallback because cropping or resizing is not implemented for arm.",
		           cam_vsize.width,cam_vsize.height,vsize.width,vsize.height);
		vsize=cam_vsize;
#else
		vsize=get_with_same_orientation(vsize,cam_vsize);
326
		ms_warning("Camera video size greater than encoder one. A scaling filter will be used!\n");
327
#endif
328
	}
Ghislain MARY's avatar
Ghislain MARY committed
329 330
	ms_filter_call_method(stream->ms.encoder,MS_FILTER_SET_VIDEO_SIZE,&vsize);
	ms_filter_call_method(stream->ms.encoder,MS_FILTER_GET_FPS,&fps);
331 332 333 334 335 336 337
	ms_message("Setting sent vsize=%ix%i, fps=%f",vsize.width,vsize.height,fps);
	/* configure the filters */
	if (ms_filter_get_id(stream->source)!=MS_STATIC_IMAGE_ID) {
		ms_filter_call_method(stream->source,MS_FILTER_SET_FPS,&fps);
	}
	/* get the output format for webcam reader */
	ms_filter_call_method(stream->source,MS_FILTER_GET_PIX_FMT,&format);
338

339
	if ((encoder_has_builtin_converter == TRUE) || (stream->source_performs_encoding == TRUE)) {
Ghislain MARY's avatar
Ghislain MARY committed
340
		ms_filter_call_method(stream->ms.encoder, MS_FILTER_SET_PIX_FMT, &format);
341 342 343 344 345 346 347 348 349 350 351
	} else {
		if (format==MS_MJPEG){
			stream->pixconv=ms_filter_new(MS_MJPEG_DEC_ID);
		}else{
			stream->pixconv = ms_filter_new(MS_PIX_CONV_ID);
			/*set it to the pixconv */
			ms_filter_call_method(stream->pixconv,MS_FILTER_SET_PIX_FMT,&format);
			ms_filter_call_method(stream->pixconv,MS_FILTER_SET_VIDEO_SIZE,&cam_vsize);
		}
		stream->sizeconv=ms_filter_new(MS_SIZE_CONV_ID);
		ms_filter_call_method(stream->sizeconv,MS_FILTER_SET_VIDEO_SIZE,&vsize);
352
	}
Ghislain MARY's avatar
Ghislain MARY committed
353 354 355
	if (stream->ms.rc){
		ms_bitrate_controller_destroy(stream->ms.rc);
		stream->ms.rc=NULL;
356
	}
Ghislain MARY's avatar
Ghislain MARY committed
357
	if (stream->ms.use_rc){
358
		stream->ms.rc=ms_av_bitrate_controller_new(NULL,NULL,stream->ms.sessions.rtp_session,stream->ms.encoder);
359
	}
360 361
}

362 363
int video_stream_start (VideoStream *stream, RtpProfile *profile, const char *rem_rtp_ip, int rem_rtp_port,
	const char *rem_rtcp_ip, int rem_rtcp_port, int payload, int jitt_comp, MSWebCam *cam){
aymeric's avatar
aymeric committed
364
	PayloadType *pt;
365
	RtpSession *rtps=stream->ms.sessions.rtp_session;
aymeric's avatar
aymeric committed
366
	MSPixFmt format;
367
	MSVideoSize disp_size;
smorlat's avatar
smorlat committed
368 369
	JBParameters jbp;
	const int socket_buf_size=2000000;
aymeric's avatar
aymeric committed
370

371 372
	if (cam==NULL){
		cam=ms_web_cam_manager_get_default_cam (
373
		      ms_web_cam_manager_get());
374 375
	}

aymeric's avatar
aymeric committed
376 377 378 379 380
	pt=rtp_profile_get_payload(profile,payload);
	if (pt==NULL){
		ms_error("videostream.c: undefined payload type.");
		return -1;
	}
381

382 383 384 385
	if ((cam != NULL) && (cam->desc->encode_to_mime_type != NULL) && (cam->desc->encode_to_mime_type(cam, pt->mime_type) == TRUE)) {
		stream->source_performs_encoding = TRUE;
	}

aymeric's avatar
aymeric committed
386
	rtp_session_set_profile(rtps,profile);
Simon Morlat's avatar
Simon Morlat committed
387 388
	if (rem_rtp_port>0)
		rtp_session_set_remote_addr_full(rtps,rem_rtp_ip,rem_rtp_port,rem_rtcp_ip,rem_rtcp_port);
aymeric's avatar
aymeric committed
389 390 391
	rtp_session_set_payload_type(rtps,payload);
	rtp_session_set_jitter_compensation(rtps,jitt_comp);

392
	rtp_session_signal_connect(stream->ms.sessions.rtp_session,"payload_type_changed",
393
			(RtpCallback)mediastream_payload_type_changed,(unsigned long)&stream->ms);
aymeric's avatar
aymeric committed
394

395
	rtp_session_get_jitter_buffer_params(stream->ms.sessions.rtp_session,&jbp);
smorlat's avatar
smorlat committed
396
	jbp.max_packets=1000;//needed for high resolution video
397 398 399
	rtp_session_set_jitter_buffer_params(stream->ms.sessions.rtp_session,&jbp);
	rtp_session_set_rtp_socket_recv_buffer_size(stream->ms.sessions.rtp_session,socket_buf_size);
	rtp_session_set_rtp_socket_send_buffer_size(stream->ms.sessions.rtp_session,socket_buf_size);
400

401
	if (stream->dir==VideoStreamSendRecv || stream->dir==VideoStreamSendOnly){
402
		MSConnectionHelper ch;
403 404
		/*plumb the outgoing stream */

405
		if (rem_rtp_port>0) ms_filter_call_method(stream->ms.rtpsend,MS_RTP_SEND_SET_SESSION,stream->ms.sessions.rtp_session);
406 407
		if (stream->source_performs_encoding == FALSE) {
			stream->ms.encoder=ms_filter_create_encoder(pt->mime_type);
Simon Morlat's avatar
Simon Morlat committed
408
			if (stream->ms.encoder==NULL){
409 410 411 412
				/* big problem: we don't have a registered codec for this payload...*/
				ms_error("videostream.c: No encoder available for payload %i:%s.",payload,pt->mime_type);
				return -1;
			}
413 414
		}
		/* creates the filters */
415
		stream->cam=cam;
416 417
		stream->source = ms_web_cam_create_reader(cam);
		stream->tee = ms_filter_new(MS_TEE_ID);
418 419 420
		if (stream->source_performs_encoding == TRUE) {
			stream->ms.encoder = stream->source;	/* Consider the encoder is the source */
		}
421

422
		if (pt->normal_bitrate>0){
423
			MSVideoConfiguration *vconf_list = NULL;
424
			ms_message("Limiting bitrate of video encoder to %i bits/s",pt->normal_bitrate);
425 426
			ms_filter_call_method(stream->ms.encoder, MS_VIDEO_ENCODER_GET_CONFIGURATION_LIST, &vconf_list);
			if (vconf_list != NULL) {
427
				MSVideoConfiguration vconf = ms_video_find_best_configuration_for_bitrate(vconf_list, pt->normal_bitrate);
428 429 430 431
				ms_filter_call_method(stream->ms.encoder, MS_VIDEO_ENCODER_SET_CONFIGURATION, &vconf);
			} else {
				ms_filter_call_method(stream->ms.encoder, MS_FILTER_SET_BITRATE, &pt->normal_bitrate);
			}
432 433
		}
		if (pt->send_fmtp){
Ghislain MARY's avatar
Ghislain MARY committed
434
			ms_filter_call_method(stream->ms.encoder,MS_FILTER_ADD_FMTP,pt->send_fmtp);
435
		}
436 437 438 439 440
		if (stream->use_preview_window){
			if (stream->rendercb==NULL){
				stream->output2=ms_filter_new_from_name (stream->display_name);
			}
		}
441

442
		configure_video_source (stream);
443 444 445 446 447 448 449 450 451 452
		/* and then connect all */
		ms_connection_helper_start(&ch);
		ms_connection_helper_link(&ch, stream->source, -1, 0);
		if (stream->pixconv) {
			ms_connection_helper_link(&ch, stream->pixconv, 0, 0);
		}
		if (stream->sizeconv) {
			ms_connection_helper_link(&ch, stream->sizeconv, 0, 0);
		}
		ms_connection_helper_link(&ch, stream->tee, 0, 0);
453 454 455
		if (stream->source_performs_encoding == FALSE) {
			ms_connection_helper_link(&ch, stream->ms.encoder, 0, 0);
		}
Ghislain MARY's avatar
Ghislain MARY committed
456
		ms_connection_helper_link(&ch, stream->ms.rtpsend, 0, -1);
457
		if (stream->output2){
458
			if (stream->preview_window_id!=0){
459 460 461 462
				ms_filter_call_method(stream->output2, MS_VIDEO_DISPLAY_SET_NATIVE_WINDOW_ID,&stream->preview_window_id);
			}
			ms_filter_link(stream->tee,1,stream->output2,0);
		}
aymeric's avatar
aymeric committed
463
	}
464
	if (stream->dir==VideoStreamSendRecv || stream->dir==VideoStreamRecvOnly){
465
		MSConnectionHelper ch;
466
		MSVideoDisplayDecodingSupport decoding_support;
467

468 469
		if (stream->rendercb!=NULL){
			stream->output=ms_filter_new(MS_EXT_DISPLAY_ID);
470
			ms_filter_add_notify_callback(stream->output,ext_display_cb,stream,TRUE);
471 472 473
		}else{
			stream->output=ms_filter_new_from_name (stream->display_name);
		}
474 475 476 477 478 479

		/* Don't allow null output */
		if(stream->output == NULL) {
			ms_fatal("No video display filter could be instantiated. Please check build-time configuration");
		}

480 481 482 483 484 485 486 487 488 489 490
		/* Check if the output filter can perform the decoding process */
		decoding_support.mime_type = pt->mime_type;
		decoding_support.supported = FALSE;
		ms_filter_call_method(stream->output, MS_VIDEO_DISPLAY_SUPPORT_DECODING, &decoding_support);
		stream->output_performs_decoding = decoding_support.supported;

		/*plumb the incoming stream */
		if (stream->output_performs_decoding == TRUE) {
			stream->ms.decoder = stream->output;	/* Consider the decoder is the output */
		} else {
			stream->ms.decoder=ms_filter_create_decoder(pt->mime_type);
Simon Morlat's avatar
Simon Morlat committed
491
			if (stream->ms.decoder==NULL){
492 493 494 495 496 497
				/* big problem: we don't have a registered decoderfor this payload...*/
				ms_error("videostream.c: No decoder available for payload %i:%s.",payload,pt->mime_type);
				ms_filter_destroy(stream->output);
				return -1;
			}
		}
498
		ms_filter_add_notify_callback(stream->ms.decoder, event_cb, stream,FALSE);
499 500

		stream->ms.rtprecv = ms_filter_new (MS_RTP_RECV_ID);
501
		ms_filter_call_method(stream->ms.rtprecv,MS_RTP_RECV_SET_SESSION,stream->ms.sessions.rtp_session);
502 503 504 505 506 507 508

		if (stream->output_performs_decoding == FALSE) {
			stream->jpegwriter=ms_filter_new(MS_JPEG_WRITER_ID);
			if (stream->jpegwriter)
				stream->tee2=ms_filter_new(MS_TEE_ID);
		}

509 510
		/* set parameters to the decoder*/
		if (pt->send_fmtp){
Ghislain MARY's avatar
Ghislain MARY committed
511
			ms_filter_call_method(stream->ms.decoder,MS_FILTER_ADD_FMTP,pt->send_fmtp);
512 513
		}
		if (pt->recv_fmtp!=NULL)
Ghislain MARY's avatar
Ghislain MARY committed
514
			ms_filter_call_method(stream->ms.decoder,MS_FILTER_ADD_FMTP,(void*)pt->recv_fmtp);
515

516 517
		/*force the decoder to output YUV420P */
		format=MS_YUV420P;
Ghislain MARY's avatar
Ghislain MARY committed
518
		ms_filter_call_method(stream->ms.decoder,MS_FILTER_SET_PIX_FMT,&format);
519 520

		/*configure the display window */
521
		if(stream->output != NULL) {
522
			int autofit = 1;
523 524 525 526 527 528
			disp_size.width=MS_VIDEO_SIZE_CIF_W;
			disp_size.height=MS_VIDEO_SIZE_CIF_H;
			ms_filter_call_method(stream->output,MS_FILTER_SET_VIDEO_SIZE,&disp_size);
			ms_filter_call_method(stream->output,MS_FILTER_SET_PIX_FMT,&format);
			ms_filter_call_method(stream->output,MS_VIDEO_DISPLAY_SET_LOCAL_VIEW_MODE,&stream->corner);
			if (stream->window_id!=0){
529
				autofit = 0;
530 531
				ms_filter_call_method(stream->output, MS_VIDEO_DISPLAY_SET_NATIVE_WINDOW_ID,&stream->window_id);
			}
532
			ms_filter_call_method(stream->output,MS_VIDEO_DISPLAY_ENABLE_AUTOFIT,&autofit);
533 534 535
			if (stream->display_filter_auto_rotate_enabled) {
				ms_filter_call_method(stream->output,MS_VIDEO_DISPLAY_SET_DEVICE_ORIENTATION,&stream->device_orientation);
			}
536
		}
537
		/* and connect the filters */
538
		ms_connection_helper_start (&ch);
Ghislain MARY's avatar
Ghislain MARY committed
539
		ms_connection_helper_link (&ch,stream->ms.rtprecv,-1,0);
540 541 542
		if (stream->output_performs_decoding == FALSE) {
			ms_connection_helper_link (&ch,stream->ms.decoder,0,0);
		}
543 544 545 546
		if (stream->tee2){
			ms_connection_helper_link (&ch,stream->tee2,0,0);
			ms_filter_link(stream->tee2,1,stream->jpegwriter,0);
		}
547 548
		if (stream->output!=NULL)
			ms_connection_helper_link (&ch,stream->output,0,-1);
549
		/* the video source must be send for preview , if it exists*/
550
		if (stream->tee!=NULL && stream->output!=NULL && stream->output2==NULL)
551
			ms_filter_link(stream->tee,1,stream->output,1);
aymeric's avatar
aymeric committed
552
	}
553
	if (stream->dir == VideoStreamSendOnly) {
Ghislain MARY's avatar
Ghislain MARY committed
554
		stream->ms.rtprecv = ms_filter_new (MS_RTP_RECV_ID);
555
		ms_filter_call_method(stream->ms.rtprecv, MS_RTP_RECV_SET_SESSION, stream->ms.sessions.rtp_session);
Ghislain MARY's avatar
Ghislain MARY committed
556 557
		stream->ms.voidsink = ms_filter_new(MS_VOID_SINK_ID);
		ms_filter_link(stream->ms.rtprecv, 0, stream->ms.voidsink, 0);
558
	}
559

aymeric's avatar
aymeric committed
560
	/* create the ticker */
561
	if (stream->ms.sessions.ticker==NULL) media_stream_start_ticker(&stream->ms);
562 563 564
	
	stream->ms.start_time=ms_time(NULL);
	stream->ms.is_beginning=TRUE;
565

566 567
	/* attach the graphs */
	if (stream->source)
568
		ms_ticker_attach (stream->ms.sessions.ticker, stream->source);
Ghislain MARY's avatar
Ghislain MARY committed
569
	if (stream->ms.rtprecv)
570 571 572
		ms_ticker_attach (stream->ms.sessions.ticker, stream->ms.rtprecv);
	
	stream->ms.state=MSStreamStarted;
aymeric's avatar
aymeric committed
573 574 575
	return 0;
}

576 577
void video_stream_prepare_video(VideoStream *stream){
	video_stream_unprepare_video(stream);
Ghislain MARY's avatar
Ghislain MARY committed
578
	stream->ms.rtprecv=ms_filter_new(MS_RTP_RECV_ID);
579 580
	rtp_session_set_payload_type(stream->ms.sessions.rtp_session,0);
	ms_filter_call_method(stream->ms.rtprecv,MS_RTP_RECV_SET_SESSION,stream->ms.sessions.rtp_session);
Ghislain MARY's avatar
Ghislain MARY committed
581 582
	stream->ms.voidsink=ms_filter_new(MS_VOID_SINK_ID);
	ms_filter_link(stream->ms.rtprecv,0,stream->ms.voidsink,0);
583 584 585
	media_stream_start_ticker(&stream->ms);
	ms_ticker_attach(stream->ms.sessions.ticker,stream->ms.rtprecv);
	stream->ms.state=MSStreamPreparing;
586 587
}

588
void video_stream_unprepare_video(VideoStream *stream){
589
	if (stream->ms.state==MSStreamPreparing) {
590
		stop_preload_graph(stream);
591
		stream->ms.state=MSStreamInitialized;
592 593 594
	}
}

595 596 597 598 599
void video_stream_update_video_params(VideoStream *stream){
	/*calling video_stream_change_camera() does the job of unplumbing/replumbing and configuring the new graph*/
	video_stream_change_camera(stream,stream->cam);
}

600
void video_stream_change_camera(VideoStream *stream, MSWebCam *cam){
Simon Morlat's avatar
Simon Morlat committed
601
	bool_t keep_source=(cam==stream->cam);
602 603
	bool_t encoder_has_builtin_converter = (!stream->pixconv && !stream->sizeconv);

604 605
	if (stream->ms.sessions.ticker && stream->source){
		ms_ticker_detach(stream->ms.sessions.ticker,stream->source);
606
		/*unlink source filters and subsequent post processin filters */
607
		if (encoder_has_builtin_converter || (stream->source_performs_encoding == TRUE)) {
608 609 610 611 612 613
			ms_filter_unlink(stream->source, 0, stream->tee, 0);
		} else {
			ms_filter_unlink (stream->source, 0, stream->pixconv, 0);
			ms_filter_unlink (stream->pixconv, 0, stream->sizeconv, 0);
			ms_filter_unlink (stream->sizeconv, 0, stream->tee, 0);
		}
614
		/*destroy the filters */
Simon Morlat's avatar
Simon Morlat committed
615
		if (!keep_source) ms_filter_destroy(stream->source);
616
		if (!encoder_has_builtin_converter && (stream->source_performs_encoding == FALSE)) {
617 618 619
			ms_filter_destroy(stream->pixconv);
			ms_filter_destroy(stream->sizeconv);
		}
620 621

		/*re create new ones and configure them*/
Simon Morlat's avatar
Simon Morlat committed
622
		if (!keep_source) stream->source = ms_web_cam_create_reader(cam);
623
		stream->cam=cam;
624 625 626 627 628 629 630 631 632 633 634

		/* update orientation */
		if (stream->source){
			ms_filter_call_method(stream->source,MS_VIDEO_CAPTURE_SET_DEVICE_ORIENTATION,&stream->device_orientation);
			if (!stream->display_filter_auto_rotate_enabled)
				ms_filter_call_method(stream->source,MS_VIDEO_DISPLAY_SET_DEVICE_ORIENTATION,&stream->device_orientation);
		}
		if (stream->output && stream->display_filter_auto_rotate_enabled) {
			ms_filter_call_method(stream->output,MS_VIDEO_DISPLAY_SET_DEVICE_ORIENTATION,&stream->device_orientation);
		}

635
		configure_video_source(stream);
636

637
		if (encoder_has_builtin_converter || (stream->source_performs_encoding == TRUE)) {
638 639 640 641 642 643 644
			ms_filter_link (stream->source, 0, stream->tee, 0);
		}
		else {
			ms_filter_link (stream->source, 0, stream->pixconv, 0);
			ms_filter_link (stream->pixconv, 0, stream->sizeconv, 0);
			ms_filter_link (stream->sizeconv, 0, stream->tee, 0);
		}
645

646
		ms_ticker_attach(stream->ms.sessions.ticker,stream->source);
647 648 649
	}
}

650 651 652 653 654 655 656 657 658 659 660 661
void video_stream_send_fir(VideoStream *stream) {
	if (stream->ms.sessions.rtp_session != NULL) {
		rtp_session_send_rtcp_fb_fir(stream->ms.sessions.rtp_session);
	}
}

void video_stream_send_pli(VideoStream *stream) {
	if (stream->ms.sessions.rtp_session != NULL) {
		rtp_session_send_rtcp_fb_pli(stream->ms.sessions.rtp_session);
	}
}

Ghislain MARY's avatar
Ghislain MARY committed
662 663 664 665 666 667 668 669 670 671 672 673
void video_stream_send_sli(VideoStream *stream, uint16_t first, uint16_t number, uint8_t picture_id) {
	if (stream->ms.sessions.rtp_session != NULL) {
		rtp_session_send_rtcp_fb_sli(stream->ms.sessions.rtp_session, first, number, picture_id);
	}
}

void video_stream_send_rpsi(VideoStream *stream, uint8_t *bit_string, uint16_t bit_string_len) {
	if (stream->ms.sessions.rtp_session != NULL) {
		rtp_session_send_rtcp_fb_rpsi(stream->ms.sessions.rtp_session, bit_string, bit_string_len);
	}
}

aymeric's avatar
aymeric committed
674
void video_stream_send_vfu(VideoStream *stream){
Ghislain MARY's avatar
Ghislain MARY committed
675 676
	if (stream->ms.encoder)
		ms_filter_call_method_noarg(stream->ms.encoder, MS_VIDEO_ENCODER_REQ_VFU);
aymeric's avatar
aymeric committed
677 678 679 680 681
}

void
video_stream_stop (VideoStream * stream)
{
682 683
	stream->eventcb = NULL;
	stream->event_pointer = NULL;
684 685
	if (stream->ms.sessions.ticker){
		if (stream->ms.state == MSStreamPreparing) {
686
			stop_preload_graph(stream);
687 688
		} else {
			if (stream->source)
689
				ms_ticker_detach(stream->ms.sessions.ticker,stream->source);
Ghislain MARY's avatar
Ghislain MARY committed
690
			if (stream->ms.rtprecv)
691
				ms_ticker_detach(stream->ms.sessions.ticker,stream->ms.rtprecv);
692

Ghislain MARY's avatar
Ghislain MARY committed
693 694 695
			if (stream->ms.ice_check_list != NULL) {
				ice_check_list_print_route(stream->ms.ice_check_list, "Video session's route");
				stream->ms.ice_check_list = NULL;
696
			}
697
			rtp_stats_display(rtp_session_get_stats(stream->ms.sessions.rtp_session),
Yann Diorcet's avatar
Yann Diorcet committed
698
				"             VIDEO SESSION'S RTP STATISTICS                ");
699 700

			if (stream->source){
701 702 703 704 705 706 707 708 709 710
				MSConnectionHelper ch;
				ms_connection_helper_start(&ch);
				ms_connection_helper_unlink(&ch, stream->source, -1, 0);
				if (stream->pixconv) {
					ms_connection_helper_unlink(&ch, stream->pixconv, 0, 0);
				}
				if (stream->sizeconv) {
					ms_connection_helper_unlink(&ch, stream->sizeconv, 0, 0);
				}
				ms_connection_helper_unlink(&ch, stream->tee, 0, 0);
711 712 713
				if (stream->source_performs_encoding == FALSE) {
					ms_connection_helper_unlink(&ch, stream->ms.encoder, 0, 0);
				}
Ghislain MARY's avatar
Ghislain MARY committed
714
				ms_connection_helper_unlink(&ch, stream->ms.rtpsend, 0, -1);
715 716 717
				if (stream->output2){
					ms_filter_unlink(stream->tee,1,stream->output2,0);
				}
718
			}
Ghislain MARY's avatar
Ghislain MARY committed
719 720 721
			if (stream->ms.voidsink) {
				ms_filter_unlink(stream->ms.rtprecv, 0, stream->ms.voidsink, 0);
			} else if (stream->ms.rtprecv){
722 723
				MSConnectionHelper h;
				ms_connection_helper_start (&h);
Ghislain MARY's avatar
Ghislain MARY committed
724
				ms_connection_helper_unlink (&h,stream->ms.rtprecv,-1,0);
725 726 727
				if (stream->output_performs_decoding == FALSE) {
					ms_connection_helper_unlink (&h,stream->ms.decoder,0,0);
				}
728 729 730 731 732 733 734 735
				if (stream->tee2){
					ms_connection_helper_unlink (&h,stream->tee2,0,0);
					ms_filter_unlink(stream->tee2,1,stream->jpegwriter,0);
				}
				if(stream->output)
					ms_connection_helper_unlink (&h,stream->output,0,-1);
				if (stream->tee && stream->output && stream->output2==NULL)
					ms_filter_unlink(stream->tee,1,stream->output,1);
736
			}
737
		}
aymeric's avatar
aymeric committed
738 739 740 741 742
	}
	video_stream_free (stream);
}


743 744 745 746 747 748 749
void video_stream_show_video(VideoStream *stream, bool_t show){
	if (stream->output){
		ms_filter_call_method(stream->output,MS_VIDEO_DISPLAY_SHOW_VIDEO,&show);
	}
}


750 751 752
unsigned long video_stream_get_native_window_id(VideoStream *stream){
	unsigned long id;
	if (stream->output){
unknown's avatar
unknown committed
753
		if (ms_filter_call_method(stream->output,MS_VIDEO_DISPLAY_GET_NATIVE_WINDOW_ID,&id)==0)
754 755
			return id;
	}
756 757 758 759 760
	return stream->window_id;
}

void video_stream_set_native_window_id(VideoStream *stream, unsigned long id){
	stream->window_id=id;
761 762 763
	if (stream->output){
		ms_filter_call_method(stream->output,MS_VIDEO_DISPLAY_SET_NATIVE_WINDOW_ID,&id);
	}
764 765 766 767
}

void video_stream_set_native_preview_window_id(VideoStream *stream, unsigned long id){
	stream->preview_window_id=id;
768
#ifndef __ios	
769 770 771
	if (stream->output2){
		ms_filter_call_method(stream->output2,MS_VIDEO_DISPLAY_SET_NATIVE_WINDOW_ID,&id);
	}
772
#endif
773 774
	if (stream->source){
		ms_filter_call_method(stream->source,MS_VIDEO_DISPLAY_SET_NATIVE_WINDOW_ID,&id);
775
	}
776 777
}

Simon Morlat's avatar
wip  
Simon Morlat committed
778
unsigned long video_stream_get_native_preview_window_id(VideoStream *stream){
Simon Morlat's avatar
Simon Morlat committed
779
	unsigned long id=0;
Simon Morlat's avatar
Simon Morlat committed
780 781 782 783 784
	if (stream->output2){
		if (ms_filter_call_method(stream->output2,MS_VIDEO_DISPLAY_GET_NATIVE_WINDOW_ID,&id)==0)
			return id;
	}
	if (stream->source){
785
		if (ms_filter_has_method(stream->source,MS_VIDEO_DISPLAY_GET_NATIVE_WINDOW_ID) 
Simon Morlat's avatar
Simon Morlat committed
786
		    && ms_filter_call_method(stream->source,MS_VIDEO_DISPLAY_GET_NATIVE_WINDOW_ID,&id)==0)
787 788 789 790 791 792
			return id;
	}
	return stream->preview_window_id;
}

void video_stream_use_preview_video_window(VideoStream *stream, bool_t yesno){
='s avatar
= committed
793
	stream->use_preview_window=yesno;
794
}
aymeric's avatar
aymeric committed
795

796
void video_stream_set_device_rotation(VideoStream *stream, int orientation){
797
	stream->device_orientation = orientation;
798 799
}

800 801 802 803 804 805 806 807 808 809
int video_stream_get_camera_sensor_rotation(VideoStream *stream) {
	int rotation = -1;
	if (stream->source) {
		if (ms_filter_has_method(stream->source, MS_VIDEO_CAPTURE_GET_CAMERA_SENSOR_ROTATION)
			&& ms_filter_call_method(stream->source, MS_VIDEO_CAPTURE_GET_CAMERA_SENSOR_ROTATION, &rotation) == 0)
			return rotation;
	}
	return -1;
}

Simon Morlat's avatar
Simon Morlat committed
810 811
VideoPreview * video_preview_new(void){
	VideoPreview *stream = (VideoPreview *)ms_new0 (VideoPreview, 1);
Ghislain MARY's avatar
Ghislain MARY committed
812
	MS_VIDEO_SIZE_ASSIGN(stream->sent_vsize, CIF);
Simon Morlat's avatar
Simon Morlat committed
813 814 815 816
	choose_display_name(stream);
	return stream;
}

aymeric's avatar
aymeric committed
817

Simon Morlat's avatar
Simon Morlat committed
818
void video_preview_start(VideoPreview *stream, MSWebCam *device){
aymeric's avatar
aymeric committed
819
	MSPixFmt format;
aymeric's avatar
aymeric committed
820
	float fps=(float)29.97;
smorlat's avatar
smorlat committed
821
	int mirroring=1;
Simon Morlat's avatar
Simon Morlat committed
822
	int corner=-1;
Simon Morlat's avatar
Simon Morlat committed
823 824 825
	MSVideoSize disp_size=stream->sent_vsize;
	MSVideoSize vsize=disp_size;
	const char *displaytype=stream->display_name;
aymeric's avatar
aymeric committed
826 827

	stream->source = ms_web_cam_create_reader(device);
828

829

aymeric's avatar
aymeric committed
830
	/* configure the filters */
smorlat's avatar
smorlat committed
831
	ms_filter_call_method(stream->source,MS_FILTER_SET_VIDEO_SIZE,&vsize);
832 833
	if (ms_filter_get_id(stream->source)!=MS_STATIC_IMAGE_ID)
		ms_filter_call_method(stream->source,MS_FILTER_SET_FPS,&fps);
smorlat's avatar
smorlat committed
834
	ms_filter_call_method(stream->source,MS_FILTER_GET_PIX_FMT,&format);
835
	ms_filter_call_method(stream->source,MS_FILTER_GET_VIDEO_SIZE,&vsize);
aymeric's avatar
aymeric committed
836 837 838 839 840 841 842
	if (format==MS_MJPEG){
		stream->pixconv=ms_filter_new(MS_MJPEG_DEC_ID);
	}else{
		stream->pixconv=ms_filter_new(MS_PIX_CONV_ID);
		ms_filter_call_method(stream->pixconv,MS_FILTER_SET_PIX_FMT,&format);
		ms_filter_call_method(stream->pixconv,MS_FILTER_SET_VIDEO_SIZE,&vsize);
	}
843

aymeric's avatar
aymeric committed
844
	format=MS_YUV420P;
Simon Morlat's avatar
Simon Morlat committed
845

846
	stream->output2=ms_filter_new_from_name (displaytype);
Simon Morlat's avatar
Simon Morlat committed
847 848 849