Merge remote-tracking branch 'qatar/master'

* qatar/master:
  swfdec: Add support for sample_rate_code 0 (5512 Hz)
  dct-test: factor out some common code and do whas was likely intended
  doc: library versions need to be bumped in version.h
  Revert "ffmpeg: get rid of useless AVInputStream.nb_streams."
  Remove some forgotten AVCodecContext.palctrl usage.
  lavc/utils: move avcodec_init() higher in the file.
  lavc: replace some deprecated FF_*_TYPE with AV_PICTURE_TYPE_*
  ac3dec: actually use drc_scale private option
  lavc: undeprecate AVPALETTE_SIZE and AVPALETTE_COUNT macros
  alsa: add missing header
  msmpeg4: remove leftover unused debug variable declaration
  Fix assert() calls that need updates after FF_COMMON_FRAME macro elimination.
  Fix av_dlog invocations with wrong or missing logging context.
  vf_yadif: add support to yuva420p
  vf_yadif: correct documentation on the parity parameter
  vf_yadif: copy buffer properties like aspect for second frame as well
  oma: support for encrypted files
  id3v2: add support for non-text and GEOB type tag frames
  des: add possibility to calculate DES-CBC-MAC with small buffer

Conflicts:
	ffmpeg.c
	libavcodec/dct-test.c
	libavformat/mpegts.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 37 insertions, 1 deletions

diff --git a/libavformat/id3v2.h b/libavformat/id3v2.h
index e429001385..a30a74f5fd 100644
--- a/libavformat/id3v2.h
+++ b/libavformat/id3v2.h
@@ -45,6 +45,27 @@ enum ID3v2Encoding {
     ID3v2_ENCODING_UTF8     = 3,
 };
 
+typedef struct ID3v2ExtraMeta {
+    const char *tag;
+    void *data;
+    struct ID3v2ExtraMeta *next;
+} ID3v2ExtraMeta;
+
+typedef struct ID3v2ExtraMetaGEOB {
+    uint32_t datasize;
+    uint8_t *mime_type;
+    uint8_t *file_name;
+    uint8_t *description;
+    uint8_t *data;
+} ID3v2ExtraMetaGEOB;
+
+typedef struct ID3v2EMFunc {
+    const char *tag3;
+    const char *tag4;
+    void (*read)(AVFormatContext*, AVIOContext*, int, char*, ID3v2ExtraMeta **);
+    void (*free)();
+} ID3v2EMFunc;
+
 /**
  * Detect ID3v2 Header.
  * @param buf   must be ID3v2_HEADER_SIZE byte long
@@ -61,10 +82,25 @@ int ff_id3v2_match(const uint8_t *buf, const char *magic);
 int ff_id3v2_tag_len(const uint8_t *buf);
 
 /**
- * Read an ID3v2 tag
+ * Read an ID3v2 tag (text tags only)
  */
 void ff_id3v2_read(AVFormatContext *s, const char *magic);
 
+/**
+ * Read an ID3v2 tag, including supported extra metadata (currently only GEOB)
+ * @param extra_meta If not NULL, extra metadata is parsed into a list of
+ * ID3v2ExtraMeta structs and *extra_meta points to the head of the list
+ */
+void ff_id3v2_read_all(AVFormatContext *s, const char *magic, ID3v2ExtraMeta **extra_meta);
+
+/**
+ * Free memory allocated parsing special (non-text) metadata.
+ * @param extra_meta Pointer to a pointer to the head of a ID3v2ExtraMeta list, *extra_meta is set to NULL.
+ */
+void ff_id3v2_free_extra_meta(ID3v2ExtraMeta **extra_meta);
+
+extern const ID3v2EMFunc ff_id3v2_extra_meta_funcs[];
+
 extern const AVMetadataConv ff_id3v2_34_metadata_conv[];
 extern const AVMetadataConv ff_id3v2_4_metadata_conv[];
 extern const AVMetadataConv ff_id3v2_2_metadata_conv[];