On 10/01/15 09:39, Anton Khirnov wrote:
Those functions should not ever modify it.
---
  libavformat/id3v2.c | 6 +++---
  1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libavformat/id3v2.c b/libavformat/id3v2.c
index e5f7486..cef1d9f 100644
--- a/libavformat/id3v2.c
+++ b/libavformat/id3v2.c
@@ -300,7 +300,7 @@ static void read_ttag(AVFormatContext *s, AVIOContext *pb, 
int taglen,
   * Parse GEOB tag into a ID3v2ExtraMetaGEOB struct.
   */
  static void read_geobtag(AVFormatContext *s, AVIOContext *pb, int taglen,
-                         char *tag, ID3v2ExtraMeta **extra_meta)
+                         const char *tag, ID3v2ExtraMeta **extra_meta)
  {
      ID3v2ExtraMetaGEOB *geob_data = NULL;
      ID3v2ExtraMeta *new_extra     = NULL;
@@ -432,7 +432,7 @@ static void free_apic(void *obj)
  }

  static void read_apic(AVFormatContext *s, AVIOContext *pb, int taglen,
-                      char *tag, ID3v2ExtraMeta **extra_meta)
+                      const char *tag, ID3v2ExtraMeta **extra_meta)
  {
      int enc, pic_type;
      char mimetype[64];
@@ -508,7 +508,7 @@ fail:
  typedef struct ID3v2EMFunc {
      const char *tag3;
      const char *tag4;
-    void (*read)(AVFormatContext *, AVIOContext *, int, char *,
+    void (*read)(AVFormatContext *, AVIOContext *, int, const char *,
                   ID3v2ExtraMeta **);
      void (*free)(void *obj);
  } ID3v2EMFunc;


Ok.
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