CID:1294504: make sure to check for NULL frame

diff --git a/src/switch_core_media.c b/src/switch_core_media.c
index c8b89224b49d760013fdb1c9f5eabfc03f3aeaec..f475da1a04fab859582148f8d506d87a5f053409 100644 (file)
--- a/src/switch_core_media.c
+++ b/src/switch_core_media.c
@@ -10451,14 +10451,14 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_read_video_frame(switch_core
                        }
 
                        if (bp->ready && switch_test_flag(bp, SMBF_READ_VIDEO_STREAM)) {
-                               if ((*frame)->img) {
+                               if ((*frame) && (*frame)->img) {
                                        switch_image_t *img = NULL;
                                        switch_img_copy((*frame)->img, &img);
                                        switch_queue_push(bp->read_video_queue, img);
                                }
                        }
 
-                       if (bp->ready && (*frame)->img && switch_test_flag(bp, SMBF_READ_VIDEO_PING)) {
+                       if (bp->ready && (*frame) && (*frame)->img && switch_test_flag(bp, SMBF_READ_VIDEO_PING)) {
                                bp->ping_frame = *frame;
                                if (bp->callback) {
                                        if (bp->callback(bp, bp->user_data, SWITCH_ABC_TYPE_READ_VIDEO_PING) == SWITCH_FALSE