From 159308057beef05a28c14ede4afb49cf2c404b45 Mon Sep 17 00:00:00 2001
From: Moritz Bunkus <moritz@bunkus.org>
Date: Mon, 21 Jul 2003 12:54:46 +0000
Subject: [PATCH] More steps in the Right Direction regarding tag support.

---
 src/pr_generic.cpp | 38 ++++++++++++++++++++++++++++++++++++++
 src/pr_generic.h   |  6 +++++-
 2 files changed, 43 insertions(+), 1 deletion(-)

diff --git a/src/pr_generic.cpp b/src/pr_generic.cpp
index 6b1354106..516d9b7c3 100644
--- a/src/pr_generic.cpp
+++ b/src/pr_generic.cpp
@@ -143,6 +143,40 @@ generic_packetizer_c::~generic_packetizer_c() {
     safefree(hcodec_private);
 }
 
+void generic_packetizer_c::set_tag_track_uid() {
+  int is, it;
+  bool skip;
+  KaxTag *tag;
+  KaxTagTargets *targets;
+
+  if (ti->tags == NULL)
+    return;
+
+  for (is = 0; is < ti->tags->ListSize(); is++) {
+    tag = (KaxTag *)(*ti->tags)[is];
+    skip = false;
+
+    for (it = 0; it < tag->ListSize(); it++)
+      if ((*tag)[it]->Generic().GlobalId ==
+          KaxTagTargets::ClassInfos.GlobalId) {
+        skip = true;
+        break;
+      }
+
+    if (!skip) {
+      targets = &GetChild<KaxTagTargets>(*tag);
+      *(static_cast<EbmlUInteger *>(&GetChild<KaxTagTrackUID>(*targets))) =
+        huid;
+    }
+
+    if (!tag->CheckMandatory()) {
+      mxprint(stderr, "Error parsing the tags in '%s': some mandatory "
+              "elements are missing.\n", ti->tags_ptr->file_name);
+      exit(1);
+    }
+  }
+}
+
 int generic_packetizer_c::read() {
   return reader->read();
 }
@@ -552,6 +586,8 @@ track_info_t *duplicate_track_info(track_info_t *src) {
     (*dst->sub_charsets)[i].language =
       safestrdup((*src->sub_charsets)[i].language);
   dst->all_tags = new vector<tags_t>(*src->all_tags);
+  for (i = 0; i < src->all_tags->size(); i++)
+    (*dst->all_tags)[i].file_name = safestrdup((*src->all_tags)[i].file_name);
   dst->private_data = (unsigned char *)safememdup(src->private_data,
                                                   src->private_size);
   dst->sub_charset = safestrdup(src->sub_charset);
@@ -578,6 +614,8 @@ void free_track_info(track_info_t *ti) {
   for (i = 0; i < ti->sub_charsets->size(); i++)
     safefree((*ti->sub_charsets)[i].language);
   delete ti->sub_charsets;
+  for (i = 0; i < ti->all_tags->size(); i++)
+    safefree((*ti->all_tags)[i].file_name);
   delete ti->all_tags;
   safefree(ti->language);
   safefree(ti->private_data);
diff --git a/src/pr_generic.h b/src/pr_generic.h
index 997607370..d148bfc45 100644
--- a/src/pr_generic.h
+++ b/src/pr_generic.h
@@ -69,7 +69,7 @@ typedef struct {
 } language_t;
 
 typedef struct {
-  const char *file_name;
+  char *file_name;
   int64_t id;
 } tags_t;
 
@@ -194,6 +194,8 @@ public:
 
   virtual void set_as_default_track(int type);
   virtual void force_default_track(int type);
+
+  virtual void set_tag_track_uid();
 };
 
 class generic_reader_c {
@@ -209,6 +211,8 @@ public:
   virtual void set_headers() = 0;
   virtual void identify() = 0;
 
+//   virtual void set_tag_track_uids() = 0;
+
 protected:
   virtual bool demuxing_requested(char type, int64_t id);
 };