138 gst_scene_change_init (GstSceneChange * scenechange)  in gst_scene_change_init()  argument
171   GstSceneChange *scenechange = GST_SCENE_CHANGE (filter);  in gst_scene_change_transform_frame_ip()  local
181   GST_DEBUG_OBJECT (scenechange, "transform_frame_ip");  in gst_scene_change_transform_frame_ip()
183   if (!scenechange->oldbuf) {  in gst_scene_change_transform_frame_ip()
184     scenechange->n_diffs = 0;  in gst_scene_change_transform_frame_ip()
185     memset (scenechange->diffs, 0, sizeof (double) * SC_N_DIFFS);  in gst_scene_change_transform_frame_ip()
186     scenechange->oldbuf = gst_buffer_ref (frame->buffer);  in gst_scene_change_transform_frame_ip()
187     memcpy (&scenechange->oldinfo, &frame->info, sizeof (GstVideoInfo));  in gst_scene_change_transform_frame_ip()
192       gst_video_frame_map (&oldframe, &scenechange->oldinfo,  in gst_scene_change_transform_frame_ip()
193       scenechange->oldbuf, GST_MAP_READ);  in gst_scene_change_transform_frame_ip()
195     GST_ERROR_OBJECT (scenechange, "failed to map old video frame");  in gst_scene_change_transform_frame_ip()
203   gst_buffer_unref (scenechange->oldbuf);  in gst_scene_change_transform_frame_ip()
204   scenechange->oldbuf = gst_buffer_ref (frame->buffer);  in gst_scene_change_transform_frame_ip()
205   memcpy (&scenechange->oldinfo, &frame->info, sizeof (GstVideoInfo));  in gst_scene_change_transform_frame_ip()
207   memmove (scenechange->diffs, scenechange->diffs + 1,  in gst_scene_change_transform_frame_ip()
209   scenechange->diffs[SC_N_DIFFS - 1] = score;  in gst_scene_change_transform_frame_ip()
210   scenechange->n_diffs++;  in gst_scene_change_transform_frame_ip()
212   score_min = scenechange->diffs[0];  in gst_scene_change_transform_frame_ip()
213   score_max = scenechange->diffs[0];  in gst_scene_change_transform_frame_ip()
215     score_min = MIN (score_min, scenechange->diffs[i]);  in gst_scene_change_transform_frame_ip()
216     score_max = MAX (score_max, scenechange->diffs[i]);  in gst_scene_change_transform_frame_ip()
221   if (scenechange->n_diffs > (SC_N_DIFFS - 1)) {  in gst_scene_change_transform_frame_ip()
227         && (score / scenechange->diffs[SC_N_DIFFS - 2] > 1.4)) {  in gst_scene_change_transform_frame_ip()
241     memset (scenechange->diffs, 0, sizeof (double) * SC_N_DIFFS);  in gst_scene_change_transform_frame_ip()
242     scenechange->n_diffs = 0;  in gst_scene_change_transform_frame_ip()
245   if (change != is_shot_change (scenechange->n_diffs)) {  in gst_scene_change_transform_frame_ip()
246     g_print ("%d %g %g %g %d\n", scenechange->n_diffs, score / threshold,  in gst_scene_change_transform_frame_ip()
254     GST_INFO_OBJECT (scenechange, "%d %g %g %g %d",  in gst_scene_change_transform_frame_ip()
255         scenechange->n_diffs, score / threshold, score, threshold, change);  in gst_scene_change_transform_frame_ip()
260         scenechange->count++);  in gst_scene_change_transform_frame_ip()
262     gst_pad_push_event (GST_BASE_TRANSFORM_SRC_PAD (scenechange), event);  in gst_scene_change_transform_frame_ip()