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path: root/pkgs/development/libraries/libmpeg2/A00-tags.patch
blob: 0b5d7d7da12b1dd20ed7f8d1bf2969d3bcc2d229 (plain) (blame)
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diff -ru mpeg2dec.orig/libmpeg2/decode.c mpeg2dec/libmpeg2/decode.c
--- mpeg2dec.orig/libmpeg2/decode.c	2008-07-09 12:16:05.000000000 -0700
+++ mpeg2dec/libmpeg2/decode.c	2009-07-03 16:29:48.000000000 -0700
@@ -212,7 +212,7 @@
 
 mpeg2_state_t mpeg2_parse_header (mpeg2dec_t * mpeg2dec)
 {
-    static int (* process_header[]) (mpeg2dec_t * mpeg2dec) = {
+    static int (* process_header[]) (mpeg2dec_t *) = {
 	mpeg2_header_picture, mpeg2_header_extension, mpeg2_header_user_data,
 	mpeg2_header_sequence, NULL, NULL, NULL, NULL, mpeg2_header_gop
     };
@@ -368,6 +368,14 @@
 
 void mpeg2_tag_picture (mpeg2dec_t * mpeg2dec, uint32_t tag, uint32_t tag2)
 {
+    if (mpeg2dec->num_tags == 0 && mpeg2dec->state == STATE_PICTURE && mpeg2dec->picture) {
+        // since tags got processed when we entered this state we
+        // have to set them directly or they'll end up on the next frame.
+        mpeg2dec->picture->tag = tag;
+        mpeg2dec->picture->tag2 = tag2;
+        mpeg2dec->picture->flags |= PIC_FLAG_TAGS;
+        return;
+    }
     mpeg2dec->tag_previous = mpeg2dec->tag_current;
     mpeg2dec->tag2_previous = mpeg2dec->tag2_current;
     mpeg2dec->tag_current = tag;