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/* decmetadata.c
Copyright (c) 2003-2012 HandBrake Team
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 v2.
For full terms see the file COPYING file or visit http://www.gnu.org/licenses/gpl-2.0.html
*/
#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->path, 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;
int seconds = ( chapter->duration + 45000 ) / 90000;
chapter->hours = ( seconds / 3600 );
chapter->minutes = ( seconds % 3600 ) / 60;
chapter->seconds = ( seconds % 60 );
if( chapter_list[i-1].title )
{
strcpy( chapter->title, chapter_list[i-1].title );
}
else
{
sprintf( chapter->title, "Chapter %d", chapter->index );
}
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;
}
}
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