[libdvdnav-devel] [Git][videolan/libdvdread][master] ifo: add audio and subpicture code extension enums

[Jean-Baptiste Kempf (@jbk)]

Jean-Baptiste Kempf pushed to branch master at VideoLAN / libdvdread


Commits:
fb1f159c by Saifelden Mohamed Ismail at 2026-06-22T15:54:52+02:00
ifo: add audio and subpicture code extension enums

- - - - -


1 changed file:

- src/dvdread/ifo_types.h


Changes:

=====================================
src/dvdread/ifo_types.h
=====================================
@@ -96,6 +96,17 @@ typedef struct {
 } ATTRIBUTE_PACKED video_attr_t;
 #define VIDEO_ATTR_SIZE  2U
 
+/**
+ * Audio code extension, see SPRM 17.
+ */
+typedef enum {
+  DVD_AUDIO_CODE_EXT_UNSPECIFIED       = 0,
+  DVD_AUDIO_CODE_EXT_NORMAL            = 1,
+  DVD_AUDIO_CODE_EXT_VISUALLY_IMPAIRED = 2,
+  DVD_AUDIO_CODE_EXT_DIRECTOR          = 3, /**< director's comments */
+  DVD_AUDIO_CODE_EXT_ALT_DIRECTOR      = 4, /**< alternate director's comments */
+} dvd_audio_code_ext_t;
+
 /**
  * Audio Attributes.
  */
@@ -111,7 +122,7 @@ typedef struct {
   unsigned char channels               : 3;
   uint16_t lang_code;
   uint8_t  lang_extension;
-  uint8_t  code_extension;
+  uint8_t  code_extension; /**< dvd_audio_code_ext_t */
   uint8_t unknown3;
   union {
     struct ATTRIBUTE_PACKED {
@@ -163,6 +174,23 @@ typedef struct {
 #define MULTICHANNEL_EXT_SIZE  24U
 
 
+/**
+ * Subpicture code extension, see SPRM 19.
+ */
+typedef enum {
+  DVD_SUBP_CODE_EXT_UNSPECIFIED       = 0,
+  DVD_SUBP_CODE_EXT_NORMAL            = 1,
+  DVD_SUBP_CODE_EXT_LARGE             = 2,
+  DVD_SUBP_CODE_EXT_CHILDREN          = 3,
+  DVD_SUBP_CODE_EXT_NORMAL_CAPTIONS   = 5,
+  DVD_SUBP_CODE_EXT_LARGE_CAPTIONS    = 6,
+  DVD_SUBP_CODE_EXT_CHILDREN_CAPTIONS = 7,
+  DVD_SUBP_CODE_EXT_FORCED            = 9,
+  DVD_SUBP_CODE_EXT_DIRECTOR          = 13, /**< director's comments */
+  DVD_SUBP_CODE_EXT_LARGE_DIRECTOR    = 14, /**< large director's comments */
+  DVD_SUBP_CODE_EXT_CHILDREN_DIRECTOR = 15, /**< director's comments for children */
+} dvd_subp_code_ext_t;
+
 /**
  * Subpicture Attributes.
  */
@@ -183,7 +211,7 @@ typedef struct {
   uint8_t  zero2;
   uint16_t lang_code;
   uint8_t  lang_extension;
-  uint8_t  code_extension;
+  uint8_t  code_extension; /**< dvd_subp_code_ext_t */
 } ATTRIBUTE_PACKED subp_attr_t;
 #define SUBP_ATTR_SIZE  6U
 



View it on GitLab: https://code.videolan.org/videolan/libdvdread/-/commit/fb1f159c71c615071bac9e4a56d3e06bf797e52b

-- 
View it on GitLab: https://code.videolan.org/videolan/libdvdread/-/commit/fb1f159c71c615071bac9e4a56d3e06bf797e52b
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