diff -ru ffmpeg-0.4.9-pre1/libavcodec/mpeg12.c ffmpeg-0.4.9-pre1-sm/libavcodec/mpeg12.c
--- ffmpeg-0.4.9-pre1/libavcodec/mpeg12.c	Wed Jun 30 19:12:21 2004
+++ ffmpeg-0.4.9-pre1-sm/libavcodec/mpeg12.c	Mon Jan 24 23:45:27 2005
@@ -2769,12 +2769,14 @@
     MpegEncContext *s2 = &s->mpeg_enc_ctx;
     dprintf("fill_buffer\n");
 
-    /* special case for last picture */
-    if (buf_size == 0 && s2->low_delay==0 && s2->next_picture_ptr) {
-        *picture= *(AVFrame*)s2->next_picture_ptr;
-        s2->next_picture_ptr= NULL;
+    if (buf_size == 0) {
+	/* special case for last picture */
+	if (s2->low_delay==0 && s2->next_picture_ptr) {
+	    *picture= *(AVFrame*)s2->next_picture_ptr;
+	    s2->next_picture_ptr= NULL;
 
-        *data_size = sizeof(AVFrame);
+	    *data_size = sizeof(AVFrame);
+	}
         return 0;
     }