FS-10205: [freeswitch-core,mod_conference,mod_video_filter] Add 8 bit filter #resolve

src/include/switch_core_video.h

@@ -50,7 +50,8 @@ typedef enum {
 	SCV_FILTER_GRAY_FG = (1 << 0),
 	SCV_FILTER_GRAY_BG = (1 << 1),
 	SCV_FILTER_SEPIA_FG = (1 << 2),
-	SCV_FILTER_SEPIA_BG = (1 << 3)
+	SCV_FILTER_SEPIA_BG = (1 << 3),
+	SCV_FILTER_8BIT_FG = (1 << 4)
 } switch_core_video_filter_t;
 
 
@@ -322,6 +323,7 @@ SWITCH_DECLARE(switch_image_t *) switch_img_copy_rect(switch_image_t *img, uint3
 * \param[in]    color     RGB color
 */
 SWITCH_DECLARE(void) switch_img_fill(switch_image_t *img, int x, int y, int w, int h, switch_rgb_color_t *color);
+SWITCH_DECLARE(void) switch_img_8bit(switch_image_t *img);
 
 SWITCH_DECLARE(void) switch_img_gray(switch_image_t *img, int x, int y, int w, int h);
 SWITCH_DECLARE(void) switch_img_sepia(switch_image_t *img, int x, int y, int w, int h);

src/mod/applications/mod_conference/conference_video.c

@@ -2586,6 +2586,15 @@ void conference_video_pop_next_image(conference_member_t *member, switch_image_t
 		if (member->video_filters & SCV_FILTER_SEPIA_FG) {
 			switch_img_sepia(img, 0, 0, img->d_w, img->d_h);
 		}
+
+		if (member->video_filters & SCV_FILTER_8BIT_FG) {
+			switch_image_t *tmp = NULL;
+			int w = img->d_w, h = img->d_h;
+
+			switch_img_scale(img, &tmp, w/8 ,h/8);
+			switch_img_scale(tmp, &img, w,h);
+			switch_img_8bit(img);
+		}
 	}
 
 	*imgP = img;

src/mod/applications/mod_video_filter/mod_video_filter.c

@@ -318,6 +318,16 @@ static switch_status_t video_thread_callback(switch_core_session_t *session, swi
 
 	patch_data = context->data;
 
+	if (context->video_filters & SCV_FILTER_8BIT_FG) {
+		switch_image_t *tmp = NULL;
+		int w = frame->img->d_w, h = frame->img->d_h;
+
+		switch_img_scale(frame->img, &tmp, w/8 ,h/8);
+		switch_img_scale(tmp, &frame->img, w,h);
+		switch_img_8bit(frame->img);
+	}
+
+
 	switch_img_to_raw(frame->img, context->data, frame->img->d_w * 4, SWITCH_IMG_FMT_ARGB);
 	img = switch_img_wrap(NULL, SWITCH_IMG_FMT_ARGB, frame->img->d_w, frame->img->d_h, 1, context->data);
 
@@ -333,6 +343,7 @@ static switch_status_t video_thread_callback(switch_core_session_t *session, swi
 		switch_img_sepia(img, 0, 0, img->d_w, img->d_h);
 	}
 
+	
 	if (context->bgimg) {
 		switch_image_t *tmp = NULL;
 

src/switch_core_video.c

@@ -1419,6 +1419,59 @@ SWITCH_DECLARE(void) switch_img_fill_noalpha(switch_image_t *img, int x, int y,
 #endif
 }
 
+SWITCH_DECLARE(void) switch_img_8bit(switch_image_t *img)
+{
+#ifdef SWITCH_HAVE_YUV
+	int i;
+
+	if (img->fmt == SWITCH_IMG_FMT_ARGB) {
+		int max_w = img->d_w;
+		int max_h = img->d_h;
+		int j;
+		switch_rgb_color_t *rgb; 
+		uint32_t *bytes;
+
+		for (i = 0; i < max_h; i++) {		
+			for (j = 0; j < max_w; j++) {
+				rgb = (switch_rgb_color_t *)(img->planes[SWITCH_PLANE_PACKED] + i * img->stride[SWITCH_PLANE_PACKED] + j * 4);
+				//if (rgb);
+
+				
+				if (!rgb->a) continue;;
+
+				//rgb->r = rgb->r & 0xE0, rgb->g = rgb->g & 0xE0, rgb->b = rgb->b & 0xC0;
+				bytes = (uint32_t *) rgb;
+
+#if SWITCH_BYTE_ORDER == __BIG_ENDIAN
+				*bytes = *bytes & 0xE0E0C0FF;
+#else
+				*bytes = *bytes & 0xFFC0E0E0;
+#endif
+
+			}
+		}
+	} else if (img->fmt == SWITCH_IMG_FMT_I420) {
+		switch_image_t *tmp_img = switch_img_alloc(NULL, SWITCH_IMG_FMT_ARGB, img->d_w, img->d_h, 1);
+
+		I420ToARGB(img->planes[SWITCH_PLANE_Y], img->stride[SWITCH_PLANE_Y],
+				   img->planes[SWITCH_PLANE_U], img->stride[SWITCH_PLANE_U],
+				   img->planes[SWITCH_PLANE_V], img->stride[SWITCH_PLANE_V],
+				   tmp_img->planes[SWITCH_PLANE_PACKED], tmp_img->stride[SWITCH_PLANE_PACKED],
+				   img->d_w, img->d_h);
+		
+		switch_img_8bit(tmp_img);
+
+		ARGBToI420(tmp_img->planes[SWITCH_PLANE_PACKED], tmp_img->stride[SWITCH_PLANE_PACKED],
+				   img->planes[SWITCH_PLANE_Y], img->stride[SWITCH_PLANE_Y],
+				   img->planes[SWITCH_PLANE_U], img->stride[SWITCH_PLANE_U],
+				   img->planes[SWITCH_PLANE_V], img->stride[SWITCH_PLANE_V],
+				   tmp_img->d_w, tmp_img->d_h);
+		
+		switch_img_free(&tmp_img);
+	}
+#endif	
+}
+
 SWITCH_DECLARE(void) switch_img_sepia(switch_image_t *img, int x, int y, int w, int h)
 {
 #ifdef SWITCH_HAVE_YUV
@@ -3331,6 +3384,10 @@ SWITCH_DECLARE(void) switch_core_video_parse_filter_string(switch_core_video_fil
 	if (switch_stristr("bg-sepia", filter_str)) {
 		*filters |= SCV_FILTER_SEPIA_BG;
 	}
+
+	if (switch_stristr("fg-8bit", filter_str)) {
+		*filters |= SCV_FILTER_8BIT_FG;
+	}
 }