FS-9725: Disable blank img with core_video_blank_image=false.

diff --git a/src/switch_core_media.c b/src/switch_core_media.c
index 41f9c36d50ee966c884482efd7b7bb9333728dd6..d57a9b0e0a6f1416433417bfdaf755659e341a8e 100644 (file)
--- a/src/switch_core_media.c
+++ b/src/switch_core_media.c
@@ -6303,6 +6303,7 @@ static void *SWITCH_THREAD_FUNC video_helper_thread(switch_thread_t *thread, voi
        switch_rtp_engine_t *v_engine = NULL;
        const char *var;
        int buflen = SWITCH_RTP_MAX_BUF_LEN;
+       int blank_enabled = 1;
 
        if (!(smh = session->media_handle)) {
                return NULL;
@@ -6311,7 +6312,11 @@ static void *SWITCH_THREAD_FUNC video_helper_thread(switch_thread_t *thread, voi
        switch_core_autobind_cpu();
 
        if ((var = switch_channel_get_variable(session->channel, "core_video_blank_image"))) {
-               blank_img = switch_img_read_png(var, SWITCH_IMG_FMT_I420);
+               if (switch_false(var)) {
+                       blank_enabled = 0;
+               } else {
+                       blank_img = switch_img_read_png(var, SWITCH_IMG_FMT_I420);
+               }
        }
 
        if (!blank_img) {
@@ -6406,7 +6411,7 @@ static void *SWITCH_THREAD_FUNC video_helper_thread(switch_thread_t *thread, voi
 
                vloops++;
                
-               send_blank = 1;
+               send_blank = blank_enabled;
                
                if (switch_channel_test_flag(channel, CF_VIDEO_READY) && !switch_test_flag(read_frame, SFF_CNG)) {
                        switch_mutex_lock(mh->file_read_mutex);