FS-10379: [mod_conference] Set canvas size based on a variable

src/mod/applications/mod_conference/conference_api.c

@@ -104,6 +104,7 @@ api_command_t conference_api_sub_commands[] = {
 	{"vid-layout", (void_fn_t) & conference_api_sub_vid_layout, CONF_API_SUB_ARGS_SPLIT, "vid-layout", "<layout name>|group <group name> [<canvas id>]"},
 	{"vid-write-png", (void_fn_t) & conference_api_sub_write_png, CONF_API_SUB_ARGS_SPLIT, "vid-write-png", "<path>"},
 	{"vid-fps", (void_fn_t) & conference_api_sub_vid_fps, CONF_API_SUB_ARGS_SPLIT, "vid-fps", "<fps>"},
+	{"vid-res", (void_fn_t) & conference_api_sub_vid_res, CONF_API_SUB_ARGS_SPLIT, "vid-res", "<WxH>"},
 	{"vid-bgimg", (void_fn_t) & conference_api_sub_canvas_bgimg, CONF_API_SUB_ARGS_SPLIT, "vid-bgimg", "<file> | clear [<canvas-id>]"},
 	{"vid-bandwidth", (void_fn_t) & conference_api_sub_vid_bandwidth, CONF_API_SUB_ARGS_SPLIT, "vid-bandwidth", "<BW>"},
 	{"vid-personal", (void_fn_t) & conference_api_sub_vid_personal, CONF_API_SUB_ARGS_SPLIT, "vid-personal", "[on|off]"}
@@ -1181,6 +1182,64 @@ switch_status_t conference_api_sub_canvas_bgimg(conference_obj_t *conference, sw
 	return SWITCH_STATUS_SUCCESS;
 }
 
+switch_status_t conference_api_sub_vid_res(conference_obj_t *conference, switch_stream_handle_t *stream, int argc, char **argv)
+{
+	int canvas_w = 0, canvas_h = 0, id = 0;
+	char *video_canvas_size = argv[2];
+
+	
+	if (!conference->canvases[0]) {
+		stream->write_function(stream, "Conference is not in mixing mode\n");
+		return SWITCH_STATUS_SUCCESS;
+	}
+
+	if (zstr(video_canvas_size)) {
+		stream->write_function(stream, "Invalid size\n");
+		return SWITCH_STATUS_SUCCESS;
+	} else {
+		char *p;
+
+		if ((canvas_w = atoi(video_canvas_size))) {
+			if ((p = strchr(video_canvas_size, 'x'))) {
+				p++;
+				if (*p) {
+					canvas_h = atoi(p);
+				}
+			}
+		}
+	}
+
+	if (canvas_w < 320 || canvas_h < 180) {
+		stream->write_function(stream, "Invalid size\n");
+		return SWITCH_STATUS_SUCCESS;
+	}
+
+
+	if (argv[3]) {
+
+		id = atoi(argv[3]);
+		
+		if (id < 1 || id > MAX_CANVASES+1) {
+			id = -1;
+		}
+
+		if (id < 1) {
+			stream->write_function(stream, "-ERR Invalid canvas\n");
+		}
+
+	}
+
+	if (id == 0 && conference->canvases[0]) id = 1;
+
+	if (id > conference->canvas_count + 1) {
+		id = 1;
+	}
+
+	conference_video_change_res(conference, canvas_w, canvas_h, id - 1);
+	
+	return SWITCH_STATUS_SUCCESS;
+}
+
 switch_status_t conference_api_sub_vid_fps(conference_obj_t *conference, switch_stream_handle_t *stream, int argc, char **argv)
 {
 	float fps = 0;
@@ -2521,9 +2580,7 @@ switch_status_t conference_api_sub_record(conference_obj_t *conference, switch_s
 
 	if (argv[3]) {
 
-		if (argv[3]) {
 		id = atoi(argv[3]);
-		}
 
 		if (id < 1 || id > MAX_CANVASES+1) {
 			id = -1;
@@ -2541,6 +2598,7 @@ switch_status_t conference_api_sub_record(conference_obj_t *conference, switch_s
 		id = 1;
 	}
 
+
 	switch_mutex_lock(conference->flag_mutex);
 	for (rec = conference->rec_node_head; rec; rec = rec->next) {
 		char *path_a, *path_b;

src/mod/applications/mod_conference/conference_video.c

@@ -2317,6 +2317,24 @@ static void personal_attach(mcu_layer_t *layer, conference_member_t *member)
 	layer->member_id = member->id;
 }
 
+switch_status_t conference_video_change_res(conference_obj_t *conference, int w, int h, int id)
+{
+	mcu_canvas_t *canvas = NULL;
+
+	switch_mutex_lock(conference->canvas_mutex);
+	canvas = conference->canvases[id];
+	switch_mutex_lock(canvas->mutex);
+	canvas->width = w;
+	canvas->height = h;
+	switch_img_free(&canvas->img);
+	canvas->img = switch_img_alloc(NULL, SWITCH_IMG_FMT_I420, canvas->width, canvas->height, 0);
+	conference_video_init_canvas_layers(conference, canvas, canvas->vlayout);
+	switch_mutex_unlock(canvas->mutex);
+	switch_mutex_unlock(conference->canvas_mutex);
+
+	return SWITCH_STATUS_SUCCESS;
+}
+
 
 void *SWITCH_THREAD_FUNC conference_video_muxing_thread_run(switch_thread_t *thread, void *obj)
 {

src/mod/applications/mod_conference/mod_conference.c

@@ -2460,7 +2460,7 @@ conference_obj_t *conference_new(char *name, conference_xml_cfg_t cfg, switch_co
 	switch_uuid_t uuid;
 	switch_codec_implementation_t read_impl = { 0 };
 	switch_channel_t *channel = NULL;
-	const char *force_rate = NULL, *force_interval = NULL, *force_channels = NULL, *presence_id = NULL;
+	const char *force_rate = NULL, *force_interval = NULL, *force_channels = NULL, *presence_id = NULL, *force_canvas_size = NULL;
 	uint32_t force_rate_i = 0, force_interval_i = 0, force_channels_i = 0, video_auto_floor_msec = 0;
 	switch_event_t *event;
 
@@ -2518,6 +2518,11 @@ conference_obj_t *conference_new(char *name, conference_xml_cfg_t cfg, switch_co
 				}
 			}
 		}
+
+
+		if ((force_canvas_size = switch_channel_get_variable(channel, "conference_force_canvas_size"))) {
+			video_canvas_size = (char *)force_canvas_size;
+		}
 	}
 
 	switch_mutex_lock(conference_globals.hash_mutex);

src/mod/applications/mod_conference/mod_conference.h

@@ -927,6 +927,7 @@ mcu_layer_t *conference_video_get_layer_locked(conference_member_t *member);
 void conference_video_release_layer(mcu_layer_t **layer);
 mcu_canvas_t *conference_video_get_canvas_locked(conference_member_t *member);
 void conference_video_release_canvas(mcu_canvas_t **canvasP);
+switch_status_t conference_video_change_res(conference_obj_t *conference, int w, int h, int id);
 int conference_member_setup_media(conference_member_t *member, conference_obj_t *conference);
 
 al_handle_t *conference_al_create(switch_memory_pool_t *pool);
@@ -1111,6 +1112,7 @@ switch_status_t conference_api_sub_get(conference_obj_t *conference, switch_stre
 switch_status_t conference_api_sub_vid_mute_img(conference_member_t *member, switch_stream_handle_t *stream, void *data);
 switch_status_t conference_api_sub_vid_logo_img(conference_member_t *member, switch_stream_handle_t *stream, void *data);
 switch_status_t conference_api_sub_vid_fps(conference_obj_t *conference, switch_stream_handle_t *stream, int argc, char **argv);
+switch_status_t conference_api_sub_vid_res(conference_obj_t *conference, switch_stream_handle_t *stream, int argc, char **argv);
 switch_status_t conference_api_sub_canvas_bgimg(conference_obj_t *conference, switch_stream_handle_t *stream, int argc, char **argv);
 switch_status_t conference_api_sub_write_png(conference_obj_t *conference, switch_stream_handle_t *stream, int argc, char **argv);
 switch_status_t conference_api_sub_file_vol(conference_obj_t *conference, switch_stream_handle_t *stream, int argc, char **argv);