import 0.9.4

[handbrake-jp/handbrake-jp.git] / libhb / decmetadata.c

diff --git a/libhb/decmetadata.c b/libhb/decmetadata.c
new file mode 100644 (file)
index 0000000..e377f8c
--- /dev/null
+++ b/libhb/decmetadata.c
@@ -0,0 +1,134 @@
+/* decmetadata.c - Extract and decode metadata from the source
+
+   This file is part of the HandBrake source code.
+   Homepage: <http://handbrake.fr/>.
+   It may be used under the terms of the GNU General Public License. */
+
+#include <mp4v2/mp4v2.h>
+
+#include "common.h"
+
+static void decmp4metadata( hb_title_t *title )
+{
+    MP4FileHandle input_file;
+    hb_deep_log( 2, "Got an MP4 input, read the metadata");
+
+    input_file = MP4Read( title->dvd, 0 );
+
+    if( input_file != MP4_INVALID_FILE_HANDLE )
+    { 
+        /*
+         * Store iTunes MetaData
+         */
+        const MP4Tags* tags;
+
+        /* alloc,fetch tags */
+        tags = MP4TagsAlloc();
+        MP4TagsFetch( tags, input_file );
+
+        if( tags->name ) {
+            hb_deep_log( 2, "Metadata Name in input file is '%s'", tags->name );
+            strncpy( title->metadata->name, tags->name, sizeof(title->metadata->name) );
+        }
+
+        if( tags->artist )
+            strncpy( title->metadata->artist, tags->artist, sizeof(title->metadata->artist) );
+
+        if( tags->composer )
+            strncpy( title->metadata->composer, tags->composer, sizeof(title->metadata->composer) );
+
+        if( tags->comments )
+            strncpy( title->metadata->comment, tags->comments, sizeof(title->metadata->comment) );
+
+        if( tags->releaseDate )
+            strncpy( title->metadata->release_date, tags->releaseDate, sizeof(title->metadata->release_date) );
+
+        if( tags->album )
+            strncpy( title->metadata->album, tags->album, sizeof(title->metadata->album) );
+
+        if( tags->genre )
+            strncpy( title->metadata->genre, tags->genre, sizeof(title->metadata->genre) );
+
+        if( tags->artworkCount > 0 ) {
+            const MP4TagArtwork* art = tags->artwork + 0; // first element
+            title->metadata->coverart = (uint8_t*)malloc( art->size );
+            title->metadata->coverart_size = art->size;
+            memcpy( title->metadata->coverart, art->data, art->size );
+            hb_deep_log( 2, "Got some cover art of type %d, size %d", 
+                         art->type,
+                         title->metadata->coverart_size );
+        }
+
+        /* store,free tags */
+        MP4TagsStore( tags, input_file );
+        MP4TagsFree( tags );
+        
+        /*
+         * Handle the chapters. 
+         */
+        MP4Chapter_t *chapter_list = NULL;
+        uint32_t      chapter_count;
+        
+        MP4GetChapters( input_file, &chapter_list, &chapter_count, 
+                        MP4ChapterTypeQt );
+
+        if( chapter_list && ( hb_list_count( title->list_chapter ) == 0 ) ) {
+            uint32_t i = 1;
+            while( i <= chapter_count )
+            {
+                hb_chapter_t * chapter;
+                chapter = calloc( sizeof( hb_chapter_t ), 1 );
+                chapter->index = i;
+                chapter->duration = chapter_list[i-1].duration * 90;
+                chapter->hours    = chapter->duration / 90000 / 3600;
+                chapter->minutes  = ( ( chapter->duration / 90000 ) % 3600 ) / 60;
+                chapter->seconds  = ( chapter->duration / 90000 ) % 60;
+                strcpy( chapter->title, chapter_list[i-1].title );
+                hb_deep_log( 2, "Added chapter %i, name='%s', dur=%"PRId64", (%02i:%02i:%02i)", chapter->index, chapter->title, 
+                       chapter->duration, chapter->hours, 
+                       chapter->minutes, chapter->seconds);
+                hb_list_add( title->list_chapter, chapter );
+                i++;
+            }
+        }
+
+        MP4Close( input_file );
+    }
+}
+
+/*
+ * decmetadata()
+ *
+ * Look at the title and extract whatever metadata we can from that title.
+ */
+void decmetadata( hb_title_t *title )
+{
+    if( !title ) 
+    {
+        return;
+    }
+    
+    if( title->metadata )
+    {
+        free( title->metadata );
+        title->metadata = NULL;
+    }
+
+    title->metadata = calloc( sizeof(hb_metadata_t), 1);
+
+    if( !title->metadata )
+    {
+        return;
+    }
+
+    /*
+     * Hacky way of figuring out if this is an MP4, in which case read the data using libmp4v2
+     */
+    if( title->container_name && strcmp(title->container_name, "mov,mp4,m4a,3gp,3g2,mj2") == 0 ) 
+    {
+        decmp4metadata( title );
+    } else {
+        free( title->metadata );
+        title->metadata = NULL;
+    }
+}