static gboolean Flac_Set_Tag (FLAC__StreamMetadata *vc_block, const gchar *tag_name, gchar *value, gboolean split)
{
if ( value && split ) {
return Flac_Write_Delimetered_Tag(vc_block,tag_name,value);
} else if ( value ) {
return Flac_Write_Tag(vc_block,tag_name,value);
}
return FALSE;
}
/*
* Write Flac tag, using the level 2 flac interface
*/
gboolean Flac_Tag_Write_File_Tag (ET_File *ETFile)
{
File_Tag *FileTag;
gchar *filename_utf8, *filename;
gchar *basename_utf8;
FLAC__Metadata_Chain *chain;
FLAC__Metadata_Iterator *iter;
FLAC__StreamMetadata_VorbisComment_Entry vce_field_vendor_string; // To save vendor string
gboolean vce_field_vendor_string_found = FALSE;
if (!ETFile || !ETFile->FileTag)
return FALSE;
FileTag = (File_Tag *)ETFile->FileTag->data;
filename = ((File_Name *)ETFile->FileNameCur->data)->value;
filename_utf8 = ((File_Name *)ETFile->FileNameCur->data)->value_utf8;
flac_error_msg = NULL;
/* libFLAC is able to detect (and skip) ID3v2 tags by itself */
// Create a new chain instance to get all blocks in one time
chain = FLAC__metadata_chain_new();
if (chain == NULL || !FLAC__metadata_chain_read(chain,filename))
{
if (chain == NULL)
{
// Error with "FLAC__metadata_chain_new"
flac_error_msg = FLAC__Metadata_ChainStatusString[FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR];
} else
{
// Error with "FLAC__metadata_chain_read"
FLAC__Metadata_ChainStatus status = FLAC__metadata_chain_status(chain);
flac_error_msg = FLAC__Metadata_ChainStatusString[status];
FLAC__metadata_chain_delete(chain);
}
Log_Print(LOG_ERROR,_("ERROR while opening file: '%s' as FLAC (%s)."),filename_utf8,flac_error_msg);
return FALSE;
}
// Create a new iterator instance for the chain
iter = FLAC__metadata_iterator_new();
if (iter == NULL)
{
flac_error_msg = FLAC__Metadata_ChainStatusString[FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR];
Log_Print(LOG_ERROR,_("ERROR while opening file: '%s' as FLAC (%s)."),filename_utf8,flac_error_msg);
return FALSE;
}
// Initialize the iterator to point to the first metadata block in the given chain.
FLAC__metadata_iterator_init(iter,chain);
while (FLAC__metadata_iterator_next(iter))
{
//g_print("Write: %d %s -> block type: %d\n",j++,g_path_get_basename(filename),FLAC__metadata_iterator_get_block_type(iter));
// Action to do according the type
switch ( FLAC__metadata_iterator_get_block_type(iter) )
{
//
// Delete the VORBIS_COMMENT block and convert to padding. But before, save the original vendor string.
//
case FLAC__METADATA_TYPE_VORBIS_COMMENT:
{
// Get block data
FLAC__StreamMetadata *block = FLAC__metadata_iterator_get_block(iter);
FLAC__StreamMetadata_VorbisComment *vc = &block->data.vorbis_comment;
if (vc->vendor_string.entry != NULL)
{
// Get initial vendor string, to don't alterate it by FLAC__VENDOR_STRING when saving file
vce_field_vendor_string.entry = (FLAC__byte *)g_strdup((gchar *)vc->vendor_string.entry);
vce_field_vendor_string.length = strlen((gchar *)vce_field_vendor_string.entry);
vce_field_vendor_string_found = TRUE;
}
// Free block data
FLAC__metadata_iterator_delete_block(iter,true);
break;
}
//
// Delete all the PICTURE blocks, and convert to padding
//
#ifndef LEGACY_FLAC // For FLAC >= 1.1.3
case FLAC__METADATA_TYPE_PICTURE:
{
FLAC__metadata_iterator_delete_block(iter,true);
break;
}
#endif
default:
break;
}
}
//
// Create and insert a new VORBISCOMMENT block
//
{
FLAC__StreamMetadata *vc_block; // For vorbis comments
FLAC__StreamMetadata_VorbisComment_Entry field;
gchar *string;
GList *list;
// Allocate a block for Vorbis comments
vc_block = FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT);
// Set the original vendor string, else will be use the version of library
if (vce_field_vendor_string_found)
{
// must set 'copy' param to false, because the API will reuse the pointer of an empty
// string (yet still return 'true', indicating it was copied); the string is free'd during
// metadata_chain_delete routine
FLAC__metadata_object_vorbiscomment_set_vendor_string(vc_block, vce_field_vendor_string, /*copy=*/false);
}
/*********
* Title *
*********/
if ( FileTag->title )
{
Flac_Write_Delimetered_Tag(vc_block,"TITLE=",FileTag->title);
}
/**********
* Artist *
**********/
if ( FileTag->artist )
{
Flac_Write_Delimetered_Tag(vc_block,"ARTIST=",FileTag->artist);
}
/*********
* Album *
*********/
if ( FileTag->album )
{
Flac_Write_Delimetered_Tag(vc_block,"ALBUM=",FileTag->album);
}
/***************
* Disc Number *
***************/
if ( FileTag->disc_number )
{
string = g_strconcat("DISCNUMBER=",FileTag->disc_number,NULL);
field.entry = (FLAC__byte *)string;
field.length = strlen(string);
FLAC__metadata_object_vorbiscomment_insert_comment(vc_block,vc_block->data.vorbis_comment.num_comments,field,true);
g_free(string);
}
/********
* Year *
********/
if ( FileTag->year )
{
string = g_strconcat("DATE=",FileTag->year,NULL);
field.entry = (FLAC__byte *)string;
field.length = strlen(string);
FLAC__metadata_object_vorbiscomment_insert_comment(vc_block,vc_block->data.vorbis_comment.num_comments,field,true);
g_free(string);
}
/*************************
* Track and Total Track *
*************************/
if ( FileTag->track )
{
string = g_strconcat("TRACKNUMBER=",FileTag->track,NULL);
field.entry = (FLAC__byte *)string;
field.length = strlen(string);
FLAC__metadata_object_vorbiscomment_insert_comment(vc_block,vc_block->data.vorbis_comment.num_comments,field,true);
g_free(string);
}
if ( FileTag->track_total /*&& strlen(FileTag->track_total)>0*/ )
{
string = g_strconcat("TRACKTOTAL=",FileTag->track_total,NULL);
field.entry = (FLAC__byte *)string;
field.length = strlen(string);
FLAC__metadata_object_vorbiscomment_insert_comment(vc_block,vc_block->data.vorbis_comment.num_comments,field,true);
g_free(string);
}
/*********
* Genre *
*********/
if ( FileTag->genre )
{
Flac_Write_Delimetered_Tag(vc_block,"GENRE=",FileTag->genre);
}
/***********
* Comment *
***********/
// We write the comment using the "both" format
if ( FileTag->comment )
{
Flac_Write_Delimetered_Tag(vc_block,"DESCRIPTION=",FileTag->comment);
Flac_Write_Delimetered_Tag(vc_block,"COMMENT=",FileTag->comment);
}
/************
* Composer *
************/
if ( FileTag->composer )
{
Flac_Write_Delimetered_Tag(vc_block,"COMPOSER=",FileTag->composer);
}
/*******************
* Original artist *
*******************/
if ( FileTag->orig_artist )
{
Flac_Write_Delimetered_Tag(vc_block,"PERFORMER=",FileTag->orig_artist);
}
/*************
* Copyright *
*************/
if ( FileTag->copyright )
{
string = g_strconcat("COPYRIGHT=",FileTag->copyright,NULL);
field.entry = (FLAC__byte *)string;
field.length = strlen(string);
FLAC__metadata_object_vorbiscomment_insert_comment(vc_block,vc_block->data.vorbis_comment.num_comments,field,true);
g_free(string);
}
/*******
* URL *
*******/
if ( FileTag->url )
{
string = g_strconcat("LICENSE=",FileTag->url,NULL);
field.entry = (FLAC__byte *)string;
field.length = strlen(string);
FLAC__metadata_object_vorbiscomment_insert_comment(vc_block,vc_block->data.vorbis_comment.num_comments,field,true);
g_free(string);
}
/**************
* Encoded by *
**************/
if ( FileTag->encoded_by )
{
string = g_strconcat("ENCODED-BY=",FileTag->encoded_by,NULL);
field.entry = (FLAC__byte *)string;
field.length = strlen(string);
FLAC__metadata_object_vorbiscomment_insert_comment(vc_block,vc_block->data.vorbis_comment.num_comments,field,true);
g_free(string);
}
/**************************
* Set unsupported fields *
**************************/
list = FileTag->other;
while (list)
{
if (list->data)
{
string = (gchar*)list->data;
field.entry = (FLAC__byte *)string;
field.length = strlen(string);
FLAC__metadata_object_vorbiscomment_insert_comment(vc_block,vc_block->data.vorbis_comment.num_comments,field,true);
}
list = list->next;
}
// Add the block to the the chain (so we don't need to free the block)
FLAC__metadata_iterator_insert_block_after(iter, vc_block);
}
//
// Create and insert PICTURE blocks
//
/***********
* Picture *
***********/
// For FLAC >= 1.1.3
#ifndef LEGACY_FLAC
{
Picture *pic = FileTag->picture;
while (pic)
{
if (pic->data)
{
const gchar *violation;
FLAC__StreamMetadata *picture_block; // For picture data
Picture_Format format;
// Allocate block for picture data
picture_block = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PICTURE);
// Type
picture_block->data.picture.type = pic->type;
// Mime type
format = Picture_Format_From_Data(pic);
FLAC__metadata_object_picture_set_mime_type(picture_block, (gchar *)Picture_Mime_Type_String(format), TRUE);
// Description
if (pic->description)
{
FLAC__metadata_object_picture_set_description(picture_block, (FLAC__byte *)pic->description, TRUE);
}
// Resolution
picture_block->data.picture.width = pic->width;
picture_block->data.picture.height = pic->height;
picture_block->data.picture.depth = 0;
// Picture data
FLAC__metadata_object_picture_set_data(picture_block, (FLAC__byte *)pic->data, (FLAC__uint32) pic->size, TRUE);
if (!FLAC__metadata_object_picture_is_legal(picture_block, &violation))
{
Log_Print(LOG_ERROR,_("Picture block isn't valid: '%s'"),violation);
FLAC__metadata_object_delete(picture_block);
} else
{
// Add the block to the the chain (so we don't need to free the block)
FLAC__metadata_iterator_insert_block_after(iter, picture_block);
}
}
pic = pic->next;
}
}
#endif
// Free iter
FLAC__metadata_iterator_delete(iter);
//
// Prepare for writing tag
//
// Move all PADDING blocks to the end on the metadata, and merge them into a single block.
FLAC__metadata_chain_sort_padding(chain);
// Write tag
if ( !FLAC__metadata_chain_write(chain, /*padding*/TRUE, PRESERVE_MODIFICATION_TIME) )
{
// Error with "FLAC__metadata_chain_write"
FLAC__Metadata_ChainStatus status = FLAC__metadata_chain_status(chain);
flac_error_msg = FLAC__Metadata_ChainStatusString[status];
FLAC__metadata_chain_delete(chain);
Log_Print(LOG_ERROR,_("ERROR: Failed to write comments to file '%s' (%s)."),filename_utf8,flac_error_msg);
return FALSE;
} else
{
basename_utf8 = g_path_get_basename(filename_utf8);
Log_Print(LOG_OK,_("Written tag of '%s'"),basename_utf8);
g_free(basename_utf8);
}
FLAC__metadata_chain_delete(chain);
#ifdef ENABLE_MP3
/*
* Write also the ID3 tags (ID3v1 and/or ID3v2) if wanted (as needed by some players)
*/
if (WRITE_ID3_TAGS_IN_FLAC_FILE)
{
Id3tag_Write_File_Tag(ETFile);
} else
{
// Delete the ID3 tags (create a dummy ETFile for the Id3tag_... function)
ET_File *ETFile_tmp = ET_File_Item_New();
File_Name *FileName_tmp = ET_File_Name_Item_New();
File_Tag *FileTag_tmp = ET_File_Tag_Item_New();
// Same file...
FileName_tmp->value = g_strdup(filename);
FileName_tmp->value_utf8 = g_strdup(filename_utf8); // Not necessary to fill 'value_ck'
ETFile_tmp->FileNameList = g_list_append(NULL,FileName_tmp);
ETFile_tmp->FileNameCur = ETFile_tmp->FileNameList;
// With empty tag...
ETFile_tmp->FileTagList = g_list_append(NULL,FileTag_tmp);
ETFile_tmp->FileTag = ETFile_tmp->FileTagList;
Id3tag_Write_File_Tag(ETFile_tmp);
ET_Free_File_List_Item(ETFile_tmp);
}
#endif
return TRUE;
}
