From 34fd0e9ad8a39e78f4b20cf78f35bb367b87af5e Mon Sep 17 00:00:00 2001
From: Anthony Minessale <anthm@freeswitch.org>
Date: Tue, 28 Jul 2015 19:40:14 -0500
Subject: [PATCH] FS-7769 More features

add var=val member lookup usable wherver member_id is valid in api commands
add bgimg to layouts with api command or config for global setting
fix bug with overlap layouts combined with odd sized layers
improve switch_img_fit to take a modifier for fit, streach or both at once
---
 .../conference_layouts.conf.xml               | 37 +++++++
 libs/esl/perl/single_command.pl               |  2 +-
 src/include/switch_core_video.h               |  9 +-
 .../mod_conference/conference_api.c           | 74 +++++++++++++-
 .../mod_conference/conference_file.c          |  1 +
 .../mod_conference/conference_member.c        | 46 +++++++++
 .../mod_conference/conference_video.c         | 97 ++++++++++++++++---
 .../mod_conference/mod_conference.h           |  9 ++
 .../mod_local_stream/mod_local_stream.c       |  2 +-
 src/switch_core_media_bug.c                   |  4 +-
 src/switch_core_video.c                       | 49 +++++++++-
 src/switch_ivr_async.c                        |  2 +-
 12 files changed, 307 insertions(+), 25 deletions(-)

diff --git a/conf/vanilla/autoload_configs/conference_layouts.conf.xml b/conf/vanilla/autoload_configs/conference_layouts.conf.xml
index 444b63471b..0e082a2c22 100644
--- a/conf/vanilla/autoload_configs/conference_layouts.conf.xml
+++ b/conf/vanilla/autoload_configs/conference_layouts.conf.xml
@@ -12,6 +12,43 @@
 	<image x="0" y="90" scale="180"/>
 	<image x="180" y="90" scale="180"/>
       </layout>
+
+      <layout name="hollywood" auto-3d-position="true" bgimg="/root/fakebg.png">
+	<image x="58" y="0" scale="80" hscale="118" zoom="true" reservation_id="square-1"/>
+	<image x="140" y="0" scale="80" hscale="118" zoom="true" reservation_id="square-2"/>
+	<image x="222" y="0" scale="80" hscale="118" zoom="true" reservation_id="square-3"/>
+	<image x="58" y="121" scale="80" hscale="118" zoom="true" reservation_id="square-4"/>
+	<image x="140" y="121" scale="80" hscale="118" zoom="true" reservation_id="square-5"/>
+	<image x="222" y="121" scale="80" hscale="118" zoom="true" reservation_id="square-6"/>
+	<image x="58" y="242" scale="80" hscale="118" zoom="true" reservation_id="square-7"/>
+	<image x="140" y="242" scale="80" hscale="118" zoom="true" reservation_id="square-8"/>
+	<image x="222" y="242" scale="80" hscale="118" zoom="true" reservation_id="square-9"/>
+      </layout>
+
+      <layout name="3x3-reserved" auto-3d-position="true">
+	<image x="0" y="0" scale="120" reservation_id="square-1"/>
+	<image x="120" y="0" scale="120" reservation_id="square-2"/>
+	<image x="240" y="0" scale="120" reservation_id="square-3"/>
+	<image x="0" y="120" scale="120" reservation_id="square-4"/>
+	<image x="120" y="120" scale="120" reservation_id="square-5"/>
+	<image x="240" y="120" scale="120" reservation_id="square-6"/>
+	<image x="0" y="240" scale="120" reservation_id="square-7"/>
+	<image x="120" y="240" scale="120" reservation_id="square-8"/>
+	<image x="240" y="240" scale="120" reservation_id="square-9"/>
+      </layout>
+
+      <layout name="hollywood-bg" auto-3d-position="true">
+	<image x="0" y="0" scale="360" reservation_id="bg"/>
+	<image x="58" y="0" scale="80" hscale="118" zoom="true" overlap="true" reservation_id="square-1"/>
+	<image x="140" y="0" scale="80" hscale="118" zoom="true" overlap="true" reservation_id="square-2"/>
+	<image x="222" y="0" scale="80" hscale="118" zoom="true" overlap="true" reservation_id="square-3"/>
+	<image x="58" y="121" scale="80" hscale="118" zoom="true" overlap="true" reservation_id="square-4"/>
+	<image x="140" y="121" scale="80" hscale="118" zoom="true" overlap="true" reservation_id="square-5"/>
+	<image x="222" y="121" scale="80" hscale="118" zoom="true" overlap="true" reservation_id="square-6"/>
+	<image x="58" y="242" scale="80" hscale="118" zoom="true" overlap="true" reservation_id="square-7"/>
+	<image x="140" y="242" scale="80" hscale="118" zoom="true" overlap="true" reservation_id="square-8"/>
+	<image x="222" y="242" scale="80" hscale="118" zoom="true" overlap="true" reservation_id="square-9"/>
+      </layout>
       <layout name="2x1-zoom" auto-3d-position="true">
 	<image x="0" y="0" scale="180" hscale="360" zoom="true"/>
 	<image x="180" y="0" scale="180" hscale="360" zoom="true"/>
diff --git a/libs/esl/perl/single_command.pl b/libs/esl/perl/single_command.pl
index 40216723f5..aa0d67b57a 100644
--- a/libs/esl/perl/single_command.pl
+++ b/libs/esl/perl/single_command.pl
@@ -4,6 +4,6 @@ require ESL;
 my $command = shift;
 my $args = join(" ", @ARGV);
 
-my $con = new ESL::ESLconnection("localhost", "8021", "ClueCon");
+my $con = new ESL::ESLconnection("127.0.0.1", "8021", "ClueCon");
 my $e = $con->api($command, $args);
 print $e->getBody();
diff --git a/src/include/switch_core_video.h b/src/include/switch_core_video.h
index a18a39da41..43a96e87ac 100644
--- a/src/include/switch_core_video.h
+++ b/src/include/switch_core_video.h
@@ -57,6 +57,12 @@ typedef enum {
 	POS_NONE
 } switch_img_position_t;
 
+typedef enum {
+	SWITCH_FIT_SIZE,
+	SWITCH_FIT_SCALE,
+	SWITCH_FIT_SIZE_AND_SCALE,
+	SWITCH_FIT_NONE
+} switch_img_fit_t;
 
 typedef struct switch_yuv_color_s {
 	uint8_t y;
@@ -356,8 +362,9 @@ SWITCH_DECLARE(void) switch_img_get_rgb_pixel(switch_image_t *img, switch_rgb_co
 SWITCH_DECLARE(void) switch_img_overlay(switch_image_t *IMG, switch_image_t *img, int x, int y, uint8_t alpha);
 
 SWITCH_DECLARE(switch_status_t) switch_img_scale(switch_image_t *src, switch_image_t **destP, int width, int height);
-SWITCH_DECLARE(switch_status_t) switch_img_fit(switch_image_t **srcP, int width, int height);
+SWITCH_DECLARE(switch_status_t) switch_img_fit(switch_image_t **srcP, int width, int height, switch_img_fit_t fit);
 SWITCH_DECLARE(switch_img_position_t) parse_img_position(const char *name);
+SWITCH_DECLARE(switch_img_fit_t) parse_img_fit(const char *name);
 SWITCH_DECLARE(void) switch_img_find_position(switch_img_position_t pos, int sw, int sh, int iw, int ih, int *xP, int *yP);
 SWITCH_DECLARE(switch_status_t) switch_img_convert(switch_image_t *src, switch_convert_fmt_t fmt, void *dest, switch_size_t *size);
 SWITCH_DECLARE(switch_image_t *) switch_img_write_text_img(int w, int h, switch_bool_t full, const char *text);
diff --git a/src/mod/applications/mod_conference/conference_api.c b/src/mod/applications/mod_conference/conference_api.c
index d15e7a1b10..242b7b2844 100644
--- a/src/mod/applications/mod_conference/conference_api.c
+++ b/src/mod/applications/mod_conference/conference_api.c
@@ -101,6 +101,7 @@ 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-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>"}
 };
 
@@ -1001,6 +1002,7 @@ switch_status_t conference_api_sub_volume_out(conference_member_t *member, switc
 switch_status_t conference_api_sub_vid_bandwidth(conference_obj_t *conference, switch_stream_handle_t *stream, int argc, char **argv)
 {
 	int32_t i, video_write_bandwidth;
+	int x = 0;
 
 	if (!conference_utils_test_flag(conference, CFLAG_MINIMIZE_VIDEO_ENCODING)) {
 		stream->write_function(stream, "Bandwidth control not available.\n");
@@ -1013,13 +1015,60 @@ switch_status_t conference_api_sub_vid_bandwidth(conference_obj_t *conference, s
 	}
 
 	video_write_bandwidth = switch_parse_bandwidth_string(argv[2]);
-	for (i = 0; i >= conference->canvas_count; i++) {
+	for (i = 0; i <= conference->canvas_count; i++) {
 		if (conference->canvases[i]) {
+			stream->write_function(stream, "Set Bandwidth for canvas %d to %d\n", i + 1, video_write_bandwidth);
+			x++;
 			conference->canvases[i]->video_write_bandwidth = video_write_bandwidth;
 		}
 	}
 
-	stream->write_function(stream, "Set Bandwidth %d\n", video_write_bandwidth);
+	if (!x) {
+		stream->write_function(stream, "Bandwidth not set\n");
+	}
+
+	return SWITCH_STATUS_SUCCESS;
+}
+
+
+switch_status_t conference_api_sub_canvas_bgimg(conference_obj_t *conference, switch_stream_handle_t *stream, int argc, char **argv)
+{
+	mcu_canvas_t *canvas = NULL;
+	int idx = 0;
+	char *file = NULL;
+	switch_status_t status = SWITCH_STATUS_FALSE;
+
+	if (!argv[2]) {
+		stream->write_function(stream, "Invalid input\n");
+		return SWITCH_STATUS_SUCCESS;
+	}
+
+	file = argv[2];
+
+	if (argv[3]) {
+		idx = atoi(argv[3]) - 1;
+	}
+
+	if (idx < 0 || idx > SUPER_CANVAS_ID || !conference->canvases[idx]) {
+		stream->write_function(stream, "Invalid canvas\n");
+		return SWITCH_STATUS_SUCCESS;
+	}
+
+	if ((canvas = conference->canvases[idx])) {
+		switch_mutex_lock(canvas->mutex);
+		if (!strcasecmp(file, "clear")) {
+			conference_video_reset_image(canvas->img, &canvas->bgcolor);
+		} else {
+			status = conference_video_set_canvas_bgimg(canvas, file);
+		}
+		switch_mutex_unlock(canvas->mutex);
+	}
+
+	if (status == SWITCH_STATUS_SUCCESS) {
+		stream->write_function(stream, "Set Bgimg %s\n", file);
+	} else {
+		stream->write_function(stream, "Error Setting Bgimg %s\n", file);
+	}
 
 	return SWITCH_STATUS_SUCCESS;
 }
@@ -2712,6 +2761,27 @@ switch_status_t conference_api_dispatch(conference_obj_t *conference, switch_str
 						} else {
 							stream->write_function(stream, "Non-Existant ID %u\n", id);
 						}
+					} else if (strchr(argv[argn + 1], '=')) {
+						conference_api_member_cmd_t pfn = (conference_api_member_cmd_t) conference_api_sub_commands[i].pfnapicmd;
+						conference_member_t *member;
+						char *var, *val;
+
+						var = strdup(argv[argn + 1]);
+
+						if ((val = strchr(var, '='))) {
+							*val++ = '\0';
+						}
+
+						member = conference_member_get_by_var(conference, var, val);
+						
+						if (member != NULL) {
+							pfn(member, stream, argv[argn + 2]);
+							switch_thread_rwlock_unlock(member->rwlock);
+						} else {
+							stream->write_function(stream, "Non-Existant member\n");
+						}
+
+						switch_safe_free(var);
 					} else {
 						stream->write_function(stream, "%s %s", conference_api_sub_commands[i].pcommand, conference_api_sub_commands[i].psyntax);
 					}
diff --git a/src/mod/applications/mod_conference/conference_file.c b/src/mod/applications/mod_conference/conference_file.c
index f9b9995197..e720d46d8e 100644
--- a/src/mod/applications/mod_conference/conference_file.c
+++ b/src/mod/applications/mod_conference/conference_file.c
@@ -112,6 +112,7 @@ uint32_t conference_file_stop(conference_obj_t *conference, file_stop_t stop)
 			nptr->done++;
 			count++;
 		}
+
 		if (conference->async_fnode) {
 			conference->async_fnode->done++;
 			count++;
diff --git a/src/mod/applications/mod_conference/conference_member.c b/src/mod/applications/mod_conference/conference_member.c
index 5ccc1bf4ee..7862156ae6 100644
--- a/src/mod/applications/mod_conference/conference_member.c
+++ b/src/mod/applications/mod_conference/conference_member.c
@@ -392,6 +392,52 @@ conference_member_t *conference_member_get(conference_obj_t *conference, uint32_
 	return member;
 }
 
+
+/* traverse the conference member list for the specified member with var/val  and return it's pointer */
+conference_member_t *conference_member_get_by_var(conference_obj_t *conference, const char *var, const char *val)
+{
+	conference_member_t *member = NULL;
+
+	switch_assert(conference != NULL);
+	if (!(var && val)) {
+		return NULL;
+	}
+
+	switch_mutex_lock(conference->member_mutex);
+	for (member = conference->members; member; member = member->next) {
+		const char *check_var;
+		
+		if (conference_utils_member_test_flag(member, MFLAG_NOCHANNEL)) {
+			continue;
+		}
+
+		if ((check_var = switch_channel_get_variable_dup(member->channel, var , SWITCH_FALSE, -1)) && !strcmp(check_var, val)) {
+			break;
+		}
+	}
+
+	if (member) {
+		if (!conference_utils_member_test_flag(member, MFLAG_INTREE) ||
+			conference_utils_member_test_flag(member, MFLAG_KICKED) ||
+			(member->session && !switch_channel_up(switch_core_session_get_channel(member->session)))) {
+
+			/* member is kicked or hanging up so forget it */
+			member = NULL;
+		}
+	}
+
+	if (member) {
+		if (switch_thread_rwlock_tryrdlock(member->rwlock) != SWITCH_STATUS_SUCCESS) {
+			/* if you cant readlock it's way to late to do anything */
+			member = NULL;
+		}
+	}
+
+	switch_mutex_unlock(conference->member_mutex);
+
+	return member;
+}
+
 void conference_member_check_agc_levels(conference_member_t *member)
 {
 	int x = 0;
diff --git a/src/mod/applications/mod_conference/conference_video.c b/src/mod/applications/mod_conference/conference_video.c
index 11d0f0e335..a0e6edee84 100644
--- a/src/mod/applications/mod_conference/conference_video.c
+++ b/src/mod/applications/mod_conference/conference_video.c
@@ -110,7 +110,7 @@ void conference_video_parse_layouts(conference_obj_t *conference, int WIDTH, int
 		if ((x_layouts = switch_xml_child(x_layout_settings, "layouts"))) {
 			for (x_layout = switch_xml_child(x_layouts, "layout"); x_layout; x_layout = x_layout->next) {
 				video_layout_t *vlayout;
-				const char *val = NULL, *name = NULL;
+				const char *val = NULL, *name = NULL, *bgimg = NULL;
 				switch_bool_t auto_3d = SWITCH_FALSE;
 				int border = 0;
 				
@@ -125,6 +125,8 @@ void conference_video_parse_layouts(conference_obj_t *conference, int WIDTH, int
 
 				auto_3d = switch_true(switch_xml_attr(x_layout, "auto-3d-position"));
 
+				bgimg = switch_xml_attr(x_layout, "bgimg");
+				
 				if ((val = switch_xml_attr(x_layout, "border"))) {
 					border = atoi(val);
 					if (border < 0) border = 0;
@@ -134,6 +136,10 @@ void conference_video_parse_layouts(conference_obj_t *conference, int WIDTH, int
 				vlayout = switch_core_alloc(conference->pool, sizeof(*vlayout));
 				vlayout->name = switch_core_strdup(conference->pool, name);
 
+				if (bgimg) {
+					vlayout->bgimg = switch_core_strdup(conference->pool, bgimg);
+				}
+
 				for (x_image = switch_xml_child(x_layout, "image"); x_image; x_image = x_image->next) {
 					const char *res_id = NULL, *audio_position = NULL;
 					int x = -1, y = -1, scale = -1, hscale = -1, floor = 0, flooronly = 0, fileonly = 0, overlap = 0, zoom = 0;
@@ -379,34 +385,43 @@ void conference_video_scale_and_patch(mcu_layer_t *layer, switch_image_t *ximg,
 		double screen_aspect = 0, img_aspect = 0;
 		int x_pos = layer->x_pos;
 		int y_pos = layer->y_pos;
+		int64_t img_addr = 0;
 
 		img_w = layer->screen_w = IMG->d_w * layer->geometry.scale / VIDEO_LAYOUT_SCALE;
 		img_h = layer->screen_h = IMG->d_h * layer->geometry.hscale / VIDEO_LAYOUT_SCALE;
 
+
 		screen_aspect = (double) layer->screen_w / layer->screen_h;
 		img_aspect = (double) img->d_w / img->d_h;
 
-		if (layer->geometry.zoom) {
+		img_addr = (int64_t)img;
+
+		if (layer->last_img_addr != img_addr && layer->geometry.zoom) {
 			if (screen_aspect < img_aspect) {
 				int cropsize = 0;
 				double scale = 1;
 				if (img->d_h != layer->screen_h) {
 					scale = (double)layer->screen_h / img->d_h;
 				}
+
 				cropsize = ((img->d_w )-((double)layer->screen_w/scale)) / 2;
 
-				switch_img_set_rect(img, cropsize, 0, layer->screen_w/scale, layer->screen_h/scale);
-				img_aspect = (double) img->d_w / img->d_h;
+				if (cropsize) {
+					switch_img_set_rect(img, cropsize, 0, layer->screen_w/scale, layer->screen_h/scale);
+					img_aspect = (double) img->d_w / img->d_h;
+				}
+
 			} else if (screen_aspect > img_aspect) {
 				int cropsize = 0;
 				double scale = 1;
 				if (img->d_w != layer->screen_w) {
 					scale = (double)layer->screen_w / img->d_w;
 				}
-				cropsize = ((img->d_h )-((double)layer->screen_h/scale)) / 2;
-
-				switch_img_set_rect(img, 0, cropsize, layer->screen_w/scale, layer->screen_h/scale);
-				img_aspect = (double) img->d_w / img->d_h;
+				cropsize = ceil(((img->d_h )-((double)layer->screen_h/scale)) / 2);
+				if (cropsize) {
+					switch_img_set_rect(img, 0, cropsize, layer->screen_w/scale, layer->screen_h/scale);
+					img_aspect = (double) img->d_w / img->d_h;
+				}
 			}
 		}
 
@@ -415,10 +430,10 @@ void conference_video_scale_and_patch(mcu_layer_t *layer, switch_image_t *ximg,
 		}
 
 		if (screen_aspect > img_aspect) {
-			img_w = img_aspect * layer->screen_h;
+			img_w = ceil((double)img_aspect * layer->screen_h);
 			x_pos += (layer->screen_w - img_w) / 2;
 		} else if (screen_aspect < img_aspect) {
-			img_h = layer->screen_w / img_aspect;
+			img_h = ceil((double)layer->screen_w / img_aspect);
 			y_pos += (layer->screen_h - img_h) / 2;
 		}
 
@@ -452,7 +467,9 @@ void conference_video_scale_and_patch(mcu_layer_t *layer, switch_image_t *ximg,
 		img_w -= (layer->geometry.border * 2);
 		img_h -= (layer->geometry.border * 2);
 
-		if (switch_img_scale(img, &layer->img, img_w, img_h) == SWITCH_STATUS_SUCCESS) {
+		switch_img_scale(img, &layer->img, img_w, img_h);
+
+		if (layer->img) {
 			if (layer->bugged && layer->member_id > -1) {
 				conference_member_t *member;
 				if ((member = conference_member_get(layer->canvas->conference, layer->member_id))) {
@@ -470,19 +487,23 @@ void conference_video_scale_and_patch(mcu_layer_t *layer, switch_image_t *ximg,
 			int ew = layer->screen_w - (layer->geometry.border * 2), eh = layer->screen_h - (layer->banner_img ? layer->banner_img->d_h : 0) - (layer->geometry.border * 2);
 			int ex = 0, ey = 0;
 
-			switch_img_fit(&layer->logo_img, ew, eh);
+			switch_img_fit(&layer->logo_img, ew, eh, layer->logo_fit);
+
 			switch_img_find_position(layer->logo_pos, ew, eh, layer->logo_img->d_w, layer->logo_img->d_h, &ex, &ey);
 			switch_img_patch(IMG, layer->logo_img, layer->x_pos + ex + layer->geometry.border, layer->y_pos + ey + layer->geometry.border);
 			if (layer->logo_text_img) {
 				int tx = 0, ty = 0;
 
-				switch_img_fit(&layer->logo_text_img, (ew / 2) + 1, (eh / 2) + 1);
+				switch_img_fit(&layer->logo_text_img, (ew / 2) + 1, (eh / 2) + 1, SWITCH_FIT_SIZE);
 				switch_img_find_position(POS_LEFT_BOT,
 										 layer->logo_img->d_w, layer->logo_img->d_h, layer->logo_text_img->d_w, layer->logo_text_img->d_h, &tx, &ty);
 				switch_img_patch(IMG, layer->logo_text_img, layer->x_pos + ex + tx + layer->geometry.border, layer->y_pos + ey + ty + layer->geometry.border);
 			}
 
 		}
+		
+		layer->last_img_addr = img_addr;
+
 	} else {
 		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG10, "insert at %d,%d\n", 0, 0);
 		switch_img_patch(IMG, img, 0, 0);
@@ -631,6 +652,7 @@ void conference_video_layer_set_logo(conference_member_t *member, mcu_layer_t *l
 	char *parsed = NULL;
 	char *tmp;
 	switch_img_position_t pos = POS_LEFT_TOP;
+	switch_img_fit_t fit = SWITCH_FIT_SIZE;
 
 	switch_mutex_lock(layer->canvas->mutex);
 
@@ -677,11 +699,14 @@ void conference_video_layer_set_logo(conference_member_t *member, mcu_layer_t *l
 		path = tmp + 1;
 	}
 
-
 	if (params) {
 		if ((var = switch_event_get_header(params, "position"))) {
 			pos = parse_img_position(var);
 		}
+
+		if ((var = switch_event_get_header(params, "fit"))) {
+			fit = parse_img_fit(var);
+		}
 	}
 
 	if (path && strcasecmp(path, "clear")) {
@@ -690,6 +715,7 @@ void conference_video_layer_set_logo(conference_member_t *member, mcu_layer_t *l
 
 	if (layer->logo_img) {
 		layer->logo_pos = pos;
+		layer->logo_fit = fit;
 
 		if (params) {
 			if ((var = switch_event_get_header(params, "text"))) {
@@ -1012,11 +1038,42 @@ void conference_video_init_canvas_layers(conference_obj_t *conference, mcu_canva
 	canvas->total_layers = vlayout->layers;
 	canvas->send_keyframe = 1;
 
+	if (vlayout->bgimg) {
+		conference_video_set_canvas_bgimg(canvas, vlayout->bgimg);
+	} else if (canvas->bgimg) {
+		switch_img_free(&canvas->bgimg);
+	}
+
+	if (conference->video_canvas_bgimg && !vlayout->bgimg) {
+		conference_video_set_canvas_bgimg(canvas, conference->video_canvas_bgimg);
+	}
+	
+
 	switch_mutex_unlock(canvas->mutex);
 	switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Canvas position %d applied layout %s\n", canvas->canvas_id, vlayout->name);
 
 }
 
+switch_status_t conference_video_set_canvas_bgimg(mcu_canvas_t *canvas, const char *img_path)
+{
+
+	int x = 0, y = 0;
+	switch_img_free(&canvas->bgimg);
+	canvas->bgimg = switch_img_read_png(img_path, SWITCH_IMG_FMT_I420);
+	
+	if (!canvas->bgimg) {
+		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot open image for bgimg\n");
+		return SWITCH_STATUS_FALSE;
+	}
+
+	switch_img_fit(&canvas->bgimg, canvas->img->d_w, canvas->img->d_h, SWITCH_FIT_SIZE);
+	switch_img_find_position(POS_CENTER_MID, canvas->img->d_w, canvas->img->d_h, canvas->bgimg->d_w, canvas->bgimg->d_h, &x, &y);
+	switch_img_patch(canvas->img, canvas->bgimg, x, y);
+
+	return SWITCH_STATUS_SUCCESS;
+}
+
+
 switch_status_t conference_video_attach_canvas(conference_obj_t *conference, mcu_canvas_t *canvas, int super)
 {
 	if (conference->canvas_count >= MAX_CANVASES + 1) {
@@ -1098,6 +1155,7 @@ void conference_video_destroy_canvas(mcu_canvas_t **canvasP) {
 	mcu_canvas_t *canvas = *canvasP;
 
 	switch_img_free(&canvas->img);
+	switch_img_free(&canvas->bgimg);
 	conference_video_flush_queue(canvas->video_queue);
 
 	for (i = 0; i < MCU_MAX_LAYERS; i++) {
@@ -1296,7 +1354,7 @@ void conference_video_canvas_set_fnode_layer(mcu_canvas_t *canvas, conference_fi
 			for (i = 0; i < canvas->total_layers; i++) {
 				xlayer = &canvas->layers[i];
 
-				if (xlayer->fnode || xlayer->geometry.res_id || xlayer->member_id) {
+				if (xlayer->fnode || (xlayer->geometry.res_id && (!fnode->res_id || strcmp(xlayer->geometry.res_id, fnode->res_id))) || xlayer->member_id) {
 					continue;
 				}
 
@@ -1529,11 +1587,18 @@ void conference_video_fnode_check(conference_file_node_t *fnode) {
 
 	if (switch_core_file_has_video(&fnode->fh) && switch_core_file_read_video(&fnode->fh, NULL, SVR_CHECK) == SWITCH_STATUS_BREAK) {
 		int full_screen = 0;
+		char *res_id = NULL;
 
 		if (fnode->fh.params && fnode->conference->canvas_count == 1) {
 			full_screen = switch_true(switch_event_get_header(fnode->fh.params, "full-screen"));
 		}
 
+		if (fnode->fh.params) {
+			if ((res_id = switch_event_get_header(fnode->fh.params, "reservation_id"))) {
+				fnode->res_id = switch_core_strdup(fnode->pool, res_id);
+			}
+		}
+
 		if (full_screen) {
 			canvas->play_file = 1;
 			canvas->conference->playing_video_file = 1;
@@ -2971,7 +3036,7 @@ void conference_video_write_frame(conference_obj_t *conference, conference_membe
 		int x,y;
 
 		switch_img_copy(vid_frame->img, &tmp_img);
-		switch_img_fit(&tmp_img, conference->canvases[0]->width, conference->canvases[0]->height);
+		switch_img_fit(&tmp_img, conference->canvases[0]->width, conference->canvases[0]->height, SWITCH_FIT_SIZE);
 		frame_img = switch_img_alloc(NULL, SWITCH_IMG_FMT_I420, conference->canvases[0]->width, conference->canvases[0]->height, 1);
 		conference_video_reset_image(frame_img, &conference->canvases[0]->bgcolor);
 		switch_img_find_position(POS_CENTER_MID, frame_img->d_w, frame_img->d_h, tmp_img->d_w, tmp_img->d_h, &x, &y);
diff --git a/src/mod/applications/mod_conference/mod_conference.h b/src/mod/applications/mod_conference/mod_conference.h
index d0e9356909..62c88dede3 100644
--- a/src/mod/applications/mod_conference/mod_conference.h
+++ b/src/mod/applications/mod_conference/mod_conference.h
@@ -379,6 +379,7 @@ typedef struct conference_file_node {
 	int layer_id;
 	int canvas_id;
 	struct conference_obj *conference;
+	char *res_id;
 } conference_file_node_t;
 
 typedef enum {
@@ -437,6 +438,7 @@ typedef struct mcu_layer_s {
 	int avatar_patched;
 	int refresh;
 	int is_avatar;
+	int64_t last_img_addr;
 	switch_img_position_t logo_pos;
 	switch_image_t *img;
 	switch_image_t *cur_img;
@@ -446,12 +448,14 @@ typedef struct mcu_layer_s {
 	switch_image_t *mute_img;
 	switch_img_txt_handle_t *txthandle;
 	conference_file_node_t *fnode;
+	switch_img_fit_t logo_fit;
 	struct mcu_canvas_s *canvas;
 } mcu_layer_t;
 
 typedef struct video_layout_s {
 	char *name;
 	char *audio_position;
+	char *bgimg;
 	mcu_layer_geometry_t images[MCU_MAX_LAYERS];
 	int layers;
 } video_layout_t;
@@ -491,6 +495,7 @@ typedef struct mcu_canvas_s {
 	switch_queue_t *video_queue;
 	int32_t video_write_bandwidth;
 	int recording;
+	switch_image_t *bgimg;
 } mcu_canvas_t;
 
 /* Record Node */
@@ -545,6 +550,7 @@ typedef struct conference_obj {
 	char *video_layout_name;
 	char *video_layout_group;
 	char *video_canvas_bgcolor;
+	char *video_canvas_bgimg;
 	char *video_border_color;
 	char *video_super_canvas_bgcolor;
 	char *video_letterbox_bgcolor;
@@ -919,6 +925,7 @@ void conference_video_check_avatar(conference_member_t *member, switch_bool_t fo
 void conference_video_find_floor(conference_member_t *member, switch_bool_t entering);
 void conference_video_destroy_canvas(mcu_canvas_t **canvasP);
 void conference_video_fnode_check(conference_file_node_t *fnode);
+switch_status_t conference_video_set_canvas_bgimg(mcu_canvas_t *canvas, const char *img_path);
 switch_status_t conference_al_parse_position(al_handle_t *al, const char *data);
 switch_status_t conference_video_thread_callback(switch_core_session_t *session, switch_frame_t *frame, void *user_data);
 void *SWITCH_THREAD_FUNC conference_video_muxing_write_thread_run(switch_thread_t *thread, void *obj);
@@ -934,6 +941,7 @@ void conference_fnode_toggle_pause(conference_file_node_t *fnode, switch_stream_
 
 conference_relationship_t *conference_member_add_relationship(conference_member_t *member, uint32_t id);
 conference_member_t *conference_member_get(conference_obj_t *conference, uint32_t id);
+conference_member_t *conference_member_get_by_var(conference_obj_t *conference, const char *var, const char *val);
 
 switch_status_t conference_member_del_relationship(conference_member_t *member, uint32_t id);
 switch_status_t conference_member_add(conference_obj_t *conference, conference_member_t *member);
@@ -1050,6 +1058,7 @@ 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_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);
 switch_status_t conference_api_sub_recording(conference_obj_t *conference, switch_stream_handle_t *stream, int argc, char **argv);
diff --git a/src/mod/formats/mod_local_stream/mod_local_stream.c b/src/mod/formats/mod_local_stream/mod_local_stream.c
index 9cbdbe2b9c..3b6bed2fdd 100644
--- a/src/mod/formats/mod_local_stream/mod_local_stream.c
+++ b/src/mod/formats/mod_local_stream/mod_local_stream.c
@@ -782,7 +782,7 @@ static switch_status_t local_stream_file_read_video(switch_file_handle_t *handle
 				switch_img_copy(src_img, &img);
 
 				if (context->last_w && context->last_h) {
-					switch_img_fit(&img, context->last_w, context->last_h);
+					switch_img_fit(&img, context->last_w, context->last_h, SWITCH_FIT_SIZE);
 				}
 
 				frame->img = img;
diff --git a/src/switch_core_media_bug.c b/src/switch_core_media_bug.c
index 823bfeb8cb..28f461c3f1 100644
--- a/src/switch_core_media_bug.c
+++ b/src/switch_core_media_bug.c
@@ -471,8 +471,8 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_bug_patch_spy_frame(switch_med
 				switch_img_copy(img, &img_dup);
 				img_tmp = switch_img_copy_rect(img_dup, w / 4, 0, w / 2, h);
 
-				switch_img_fit(&spy_tmp, w / 2, h);
-				switch_img_fit(&img_tmp, w / 2, h);
+				switch_img_fit(&spy_tmp, w / 2, h, SWITCH_FIT_SIZE);
+				switch_img_fit(&img_tmp, w / 2, h, SWITCH_FIT_SIZE);
 
 				switch_color_set_rgb(&bgcolor, "#000000");
 				switch_img_fill(img, 0, 0, img->d_w, img->d_h, &bgcolor);
diff --git a/src/switch_core_video.c b/src/switch_core_video.c
index e33291fde2..52fb1c8b99 100644
--- a/src/switch_core_video.c
+++ b/src/switch_core_video.c
@@ -86,6 +86,38 @@ SWITCH_DECLARE(switch_img_position_t) parse_img_position(const char *name)
 	return r;
 }
 
+
+struct fit_el {
+	switch_img_fit_t fit;
+	const char *name;
+};
+
+
+static struct fit_el IMG_FIT_TABLE[] = {
+       	{SWITCH_FIT_SIZE, "fit-size"},
+       	{SWITCH_FIT_SCALE, "fit-scale"},
+       	{SWITCH_FIT_SIZE_AND_SCALE, "fit-size-and-scale"},
+		{SWITCH_FIT_NONE, NULL}
+};
+
+
+SWITCH_DECLARE(switch_img_fit_t) parse_img_fit(const char *name)
+{
+	switch_img_fit_t r = SWITCH_FIT_SIZE;
+	int i;
+
+	switch_assert(name);
+	
+	for(i = 0; IMG_FIT_TABLE[i].name; i++) {
+		if (!strcasecmp(IMG_FIT_TABLE[i].name, name)) {
+			r = IMG_FIT_TABLE[i].fit;
+			break;
+		}
+	}
+	
+	return r;
+}
+
 SWITCH_DECLARE(switch_bool_t) switch_core_has_video(void)
 {
 #ifdef SWITCH_HAVE_VPX
@@ -1797,7 +1829,7 @@ SWITCH_DECLARE(switch_status_t) switch_img_letterbox(switch_image_t *img, switch
 	return SWITCH_STATUS_SUCCESS;
 }
 
-SWITCH_DECLARE(switch_status_t) switch_img_fit(switch_image_t **srcP, int width, int height)
+SWITCH_DECLARE(switch_status_t) switch_img_fit(switch_image_t **srcP, int width, int height, switch_img_fit_t fit)
 {
 	switch_image_t *src, *tmp = NULL;
 	int new_w = 0, new_h = 0;
@@ -1811,6 +1843,13 @@ SWITCH_DECLARE(switch_status_t) switch_img_fit(switch_image_t **srcP, int width,
 		return SWITCH_STATUS_SUCCESS;
 	}
 
+	if (fit == SWITCH_FIT_SCALE) {
+		switch_img_scale(src, &tmp, width, height);
+		switch_img_free(&src);
+		*srcP = tmp;
+		return SWITCH_STATUS_SUCCESS;
+	}
+
 	new_w = src->d_w;
 	new_h = src->d_h;
 	
@@ -1843,6 +1882,14 @@ SWITCH_DECLARE(switch_status_t) switch_img_fit(switch_image_t **srcP, int width,
 		if (switch_img_scale(src, &tmp, new_w, new_h) == SWITCH_STATUS_SUCCESS) {
 			switch_img_free(&src);
 			*srcP = tmp;
+
+			if (fit == SWITCH_FIT_SIZE_AND_SCALE) {
+				src = *srcP;
+				switch_img_scale(src, &tmp, width, height);
+				switch_img_free(&src);
+				*srcP = tmp;
+			}
+
 			return SWITCH_STATUS_SUCCESS;
 		}
 	}
diff --git a/src/switch_ivr_async.c b/src/switch_ivr_async.c
index c0e8510d1d..2be166bf4b 100644
--- a/src/switch_ivr_async.c
+++ b/src/switch_ivr_async.c
@@ -5086,7 +5086,7 @@ static switch_bool_t video_write_overlay_callback(switch_media_bug_t *bug, void
 
 			if (frame->img && oht->img) {
 				switch_img_copy(oht->img, &oimg);
-				switch_img_fit(&oimg, frame->img->d_w, frame->img->d_h);
+				switch_img_fit(&oimg, frame->img->d_w, frame->img->d_h, SWITCH_FIT_SIZE);
 				switch_img_find_position(oht->pos, frame->img->d_w, frame->img->d_h, oimg->d_w, oimg->d_h, &x, &y);
 				switch_img_overlay(frame->img, oimg, x, y, oht->alpha);
 				//switch_img_patch(frame->img, oimg, x, y);