FS-10050 try to improve performance

diff --git a/src/mod/applications/mod_video_filter/mod_video_filter.c b/src/mod/applications/mod_video_filter/mod_video_filter.c
index 608a7675d49cf4ac74a762c22950d8f1994b001a..aae716149f7d9fcc2e710155d3a7d57ab2acbd61 100644 (file)
--- a/src/mod/applications/mod_video_filter/mod_video_filter.c
+++ b/src/mod/applications/mod_video_filter/mod_video_filter.c
@@ -41,6 +41,7 @@ SWITCH_MODULE_DEFINITION(mod_video_filter, mod_video_filter_load, mod_video_filt
 typedef struct chromakey_context_s {
        int threshold;
        switch_image_t *bgimg;
+       switch_image_t *bgimg_scaled;
        switch_rgb_color_t bgcolor;
        switch_rgb_color_t mask;
        switch_core_session_t *session;
@@ -56,6 +57,7 @@ static void init_context(chromakey_context_t *context)
 static void uninit_context(chromakey_context_t *context)
 {
        switch_img_free(&context->bgimg);
+       switch_img_free(&context->bgimg_scaled);
 }
 
 static void parse_params(chromakey_context_t *context, int start, int argc, char **argv, const char **function, switch_media_bug_flag_t *flags)
@@ -78,12 +80,17 @@ static void parse_params(chromakey_context_t *context, int start, int argc, char
        i++;
 
        if (n > 2 && argv[i]) {
+               if (context->bgimg) {
+                       switch_img_free(&context->bgimg);
+               }
+               if (context->bgimg_scaled) {
+                       switch_img_free(&context->bgimg_scaled);
+               }
+
                if (argv[i][0] == '#') { // bgcolor
                        switch_color_set_rgb(&context->bgcolor, argv[i]);
                } else {
-                       if (!context->bgimg) {
-                               context->bgimg = switch_img_read_png(argv[i], SWITCH_IMG_FMT_ARGB);
-                       }
+                       context->bgimg = switch_img_read_png(argv[i], SWITCH_IMG_FMT_I420); 
                }
        }
 
@@ -121,7 +128,15 @@ static switch_status_t video_thread_callback(switch_core_session_t *session, swi
        switch_img_chromakey(img, &context->mask, context->threshold);
 
        if (context->bgimg) {
-               switch_img_patch(frame->img, context->bgimg, 0, 0);
+               if (context->bgimg_scaled && (context->bgimg_scaled->d_w != frame->img->d_w || context->bgimg_scaled->d_h != frame->img->d_h)) {
+                       switch_img_free(&context->bgimg_scaled);
+               }
+               
+               if (!context->bgimg_scaled) {
+                       switch_img_scale(context->bgimg, &context->bgimg_scaled, frame->img->d_w, frame->img->d_h);
+               }
+
+               switch_img_patch(frame->img, context->bgimg_scaled, 0, 0);
        } else {
                switch_img_fill(frame->img, 0, 0, img->d_w, img->d_h, &context->bgcolor);
        }