* mp4: added partial support for udta meta data.

modules/demux/mp4/libmp4.c

@@ -2,7 +2,7 @@
  * libmp4.c : LibMP4 library for mp4 module for vlc
  *****************************************************************************
  * Copyright (C) 2001-2004 VideoLAN
- * $Id: libmp4.c,v 1.45 2004/01/25 20:05:28 hartman Exp $
+ * $Id$
  *
  * Author: Laurent Aimar <fenrir@via.ecp.fr>
  *
@@ -1932,6 +1932,41 @@ static int MP4_ReadBox_drms( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
     MP4_READBOX_EXIT( 1 );
 }
 
+static int MP4_ReadBox_0xa9xxx( MP4_Stream_t *p_stream, MP4_Box_t *p_box )
+{
+    int16_t i_length, i_dummy;
+
+    MP4_READBOX_ENTER( MP4_Box_data_0xa9xxx_t );
+
+    p_box->data.p_0xa9xxx->psz_text = NULL;
+
+    MP4_GET2BYTES( i_length );
+    MP4_GET2BYTES( i_dummy );
+
+    if( i_length > 0 )
+    {
+        if( i_length > i_read ) i_length = i_read;
+
+        p_box->data.p_0xa9xxx->psz_text = malloc( i_length + 1 );
+
+        memcpy( p_box->data.p_0xa9xxx->psz_text,
+                p_peek, i_length );
+        p_box->data.p_0xa9xxx->psz_text[i_length] = '\0';
+
+#ifdef MP4_VERBOSE
+        msg_Dbg( p_stream->p_input,
+                 "read box: \"%4.4s\" text=`%s'",
+                 (char*)&p_box->i_type,
+                 p_box->data.p_0xa9xxx->psz_text );
+#endif
+    }
+
+    MP4_READBOX_EXIT( 1 );
+}
+static void MP4_FreeBox_0xa9xxx( MP4_Box_t *p_box )
+{
+    FREE( p_box->data.p_0xa9xxx->psz_text );
+}
 
 /**** ------------------------------------------------------------------- ****/
 /****                   "Higher level" Functions                          ****/
@@ -2046,6 +2081,7 @@ static struct
     { FOURCC_dvp,   MP4_ReadBox_sample_vide,    MP4_FreeBox_Common },
     { FOURCC_VP31,  MP4_ReadBox_sample_vide,    MP4_FreeBox_Common },
     { FOURCC_vp31,  MP4_ReadBox_sample_vide,    MP4_FreeBox_Common },
+    { FOURCC_h264,  MP4_ReadBox_sample_vide,    MP4_FreeBox_Common },
 
     { FOURCC_jpeg,  MP4_ReadBox_sample_vide,    MP4_FreeBox_Common },
 
@@ -2077,6 +2113,22 @@ static struct
     { FOURCC_name,  MP4_ReadBox_drms,           MP4_FreeBox_Common },
     { FOURCC_priv,  MP4_ReadBox_drms,           MP4_FreeBox_Common },
 
+    /* found in udta */
+    { FOURCC_0xa9nam,MP4_ReadBox_0xa9xxx,       MP4_FreeBox_0xa9xxx },
+    { FOURCC_0xa9aut,MP4_ReadBox_0xa9xxx,       MP4_FreeBox_0xa9xxx },
+    { FOURCC_0xa9cpy,MP4_ReadBox_0xa9xxx,       MP4_FreeBox_0xa9xxx },
+    { FOURCC_0xa9swr,MP4_ReadBox_0xa9xxx,       MP4_FreeBox_0xa9xxx },
+    { FOURCC_0xa9inf,MP4_ReadBox_0xa9xxx,       MP4_FreeBox_0xa9xxx },
+    { FOURCC_0xa9ART,MP4_ReadBox_0xa9xxx,       MP4_FreeBox_0xa9xxx },
+    { FOURCC_0xa9dir,MP4_ReadBox_0xa9xxx,       MP4_FreeBox_0xa9xxx },
+    { FOURCC_0xa9cmt,MP4_ReadBox_0xa9xxx,       MP4_FreeBox_0xa9xxx },
+    { FOURCC_0xa9req,MP4_ReadBox_0xa9xxx,       MP4_FreeBox_0xa9xxx },
+    { FOURCC_0xa9day,MP4_ReadBox_0xa9xxx,       MP4_FreeBox_0xa9xxx },
+    { FOURCC_0xa9fmt,MP4_ReadBox_0xa9xxx,       MP4_FreeBox_0xa9xxx },
+    { FOURCC_0xa9prd,MP4_ReadBox_0xa9xxx,       MP4_FreeBox_0xa9xxx },
+    { FOURCC_0xa9prf,MP4_ReadBox_0xa9xxx,       MP4_FreeBox_0xa9xxx },
+    { FOURCC_0xa9src,MP4_ReadBox_0xa9xxx,       MP4_FreeBox_0xa9xxx },
+
     /* Last entry */
     { 0,            NULL,                   NULL }
 };

modules/demux/mp4/libmp4.h

@@ -2,7 +2,7 @@
  * libmp4.h : LibMP4 library for mp4 module for vlc
  *****************************************************************************
  * Copyright (C) 2001-2004 VideoLAN
- * $Id: libmp4.h,v 1.20 2004/01/25 20:05:28 hartman Exp $
+ * $Id$
  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -134,6 +134,7 @@
 #define FOURCC_mjht VLC_FOURCC( 'm', 'j', 'p', 'b' )
 #define FOURCC_VP31 VLC_FOURCC( 'V', 'P', '3', '1' )
 #define FOURCC_vp31 VLC_FOURCC( 'v', 'p', '3', '1' )
+#define FOURCC_h264 VLC_FOURCC( 'h', '2', '6', '4' )
 
 #define FOURCC_dvc  VLC_FOURCC( 'd', 'v', 'c', ' ' )
 #define FOURCC_dvp  VLC_FOURCC( 'd', 'v', 'p', ' ' )
@@ -163,6 +164,21 @@
 #define FOURCC_name VLC_FOURCC( 'n', 'a', 'm', 'e' )
 #define FOURCC_priv VLC_FOURCC( 'p', 'r', 'i', 'v' )
 
+#define FOURCC_0xa9nam VLC_FOURCC( 0xa9, 'n', 'a', 'm' )
+#define FOURCC_0xa9aut VLC_FOURCC( 0xa9, 'a', 'u', 't' )
+#define FOURCC_0xa9swr VLC_FOURCC( 0xa9, 's', 'w', 'r' )
+#define FOURCC_0xa9cpy VLC_FOURCC( 0xa9, 'c', 'p', 'y' )
+#define FOURCC_0xa9inf VLC_FOURCC( 0xa9, 'i', 'n', 'f' )
+#define FOURCC_0xa9ART VLC_FOURCC( 0xa9, 'A', 'R', 'T' )
+#define FOURCC_0xa9dir VLC_FOURCC( 0xa9, 'd', 'i', 'r' )
+#define FOURCC_0xa9cmt VLC_FOURCC( 0xa9, 'c', 'm', 't' )
+#define FOURCC_0xa9req VLC_FOURCC( 0xa9, 'r', 'e', 'q' )
+#define FOURCC_0xa9day VLC_FOURCC( 0xa9, 'd', 'a', 'y' )
+#define FOURCC_0xa9fmt VLC_FOURCC( 0xa9, 'f', 'm', 't' )
+#define FOURCC_0xa9prd VLC_FOURCC( 0xa9, 'p', 'r', 'd' )
+#define FOURCC_0xa9prf VLC_FOURCC( 0xa9, 'p', 'r', 'f' )
+#define FOURCC_0xa9src VLC_FOURCC( 0xa9, 's', 'r', 'c' )
+
 /* Do you want some debug information on all read boxes ? */
 #define MP4_VERBOSE  1
 
@@ -659,7 +675,7 @@ typedef struct MP4_Box_data_cmov_s
 
 } MP4_Box_data_cmov_t;
 
-typedef struct MP4_Box_data_rdrf_s
+typedef struct
 {
     uint8_t  i_version;
     uint32_t i_flags;
@@ -669,7 +685,7 @@ typedef struct MP4_Box_data_rdrf_s
 
 } MP4_Box_data_rdrf_t;
 
-typedef struct MP4_Box_data_rmdr_s
+typedef struct
 {
     uint8_t  i_version;
     uint32_t i_flags;
@@ -678,7 +694,7 @@ typedef struct MP4_Box_data_rmdr_s
 
 } MP4_Box_data_rmdr_t;
 
-typedef struct MP4_Box_data_rmvc_s
+typedef struct
 {
     uint8_t  i_version;
     uint32_t i_flags;
@@ -691,7 +707,7 @@ typedef struct MP4_Box_data_rmvc_s
 
 } MP4_Box_data_rmvc_t;
 
-typedef struct MP4_Box_data_rmcd_s
+typedef struct
 {
     uint8_t  i_version;
     uint32_t i_flags;
@@ -699,12 +715,18 @@ typedef struct MP4_Box_data_rmcd_s
 
 } MP4_Box_data_rmcd_t;
 
-typedef struct MP4_Box_data_rmqu_s
+typedef struct
 {
     uint32_t i_quality;
 
 } MP4_Box_data_rmqu_t;
 
+typedef struct
+{
+    char *psz_text;
+
+} MP4_Box_data_0xa9xxx_t;
+
 /*
 typedef struct MP4_Box_data__s
 {
@@ -759,6 +781,8 @@ typedef union MP4_Box_data_s
     MP4_Box_data_rmqu_t *p_rmqu;
     MP4_Box_data_rmvc_t *p_rmvc;
 
+    MP4_Box_data_0xa9xxx_t *p_0xa9xxx;
+
     void                *p_data; /* for unknow type */
 } MP4_Box_data_t;
 

modules/demux/mp4/mp4.c

@@ -2,7 +2,7 @@
  * mp4.c : MP4 file input module for vlc
  *****************************************************************************
  * Copyright (C) 2001-2004 VideoLAN
- * $Id: mp4.c,v 1.59 2004/02/07 13:26:24 fenrir Exp $
+ * $Id$
  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -29,6 +29,7 @@
 #include <vlc/input.h>
 #include <vlc_playlist.h>
 #include "iso_lang.h"
+#include "vlc_meta.h"
 
 #include "libmp4.h"
 #include "mp4.h"
@@ -640,7 +641,54 @@ static int Control( input_thread_t *p_input, int i_query, va_list args )
             return VLC_EGENERIC;
 
         case DEMUX_GET_META:
-            return VLC_EGENERIC;
+        {
+            vlc_meta_t **pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
+            vlc_meta_t *meta;
+            MP4_Box_t  *p_udta   = MP4_BoxGet( p_sys->p_root, "/moov/udta" );
+            MP4_Box_t  *p_0xa9xxx;
+            if( p_udta == NULL )
+            {
+                return VLC_EGENERIC;
+            }
+            *pp_meta = meta = vlc_meta_New();
+            for( p_0xa9xxx = p_udta->p_first; p_0xa9xxx != NULL; p_0xa9xxx = p_0xa9xxx->p_next )
+            {
+                switch( p_0xa9xxx->i_type )
+                {
+                    case FOURCC_0xa9nam:
+                        vlc_meta_Add( meta, VLC_META_TITLE, p_0xa9xxx->data.p_0xa9xxx->psz_text );
+                        break;
+                    case FOURCC_0xa9aut:
+                        vlc_meta_Add( meta, VLC_META_AUTHOR, p_0xa9xxx->data.p_0xa9xxx->psz_text );
+                        break;
+                    case FOURCC_0xa9ART:
+                        vlc_meta_Add( meta, VLC_META_ARTIST, p_0xa9xxx->data.p_0xa9xxx->psz_text );
+                        break;
+                    case FOURCC_0xa9cpy:
+                        vlc_meta_Add( meta, VLC_META_COPYRIGHT, p_0xa9xxx->data.p_0xa9xxx->psz_text );
+                        break;
+                    case FOURCC_0xa9day:
+                        vlc_meta_Add( meta, VLC_META_DATE, p_0xa9xxx->data.p_0xa9xxx->psz_text );
+                        break;
+
+                    case FOURCC_0xa9swr:
+                    case FOURCC_0xa9inf:
+                    case FOURCC_0xa9dir:
+                    case FOURCC_0xa9cmt:
+                    case FOURCC_0xa9req:
+                    case FOURCC_0xa9fmt:
+                    case FOURCC_0xa9prd:
+                    case FOURCC_0xa9prf:
+                    case FOURCC_0xa9src:
+                        /* TODO one day, but they aren't really meaningfull */
+                        break;
+
+                    default:
+                        break;
+                }
+            }
+            return VLC_SUCCESS;
+        }
 
         default:
             msg_Err( p_input, "control query unimplemented !!!" );