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mp4tags.cpp
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mp4tags.cpp
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/* mp4tags -- tool to set iTunes-compatible metadata tags
*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* Contributed to MPEG4IP
* by Christopher League <league@contrapunctus.net>
*/
#include "util/impl.h"
using namespace mp4v2::util;
///////////////////////////////////////////////////////////////////////////////
/* One-letter options -- if you want to rearrange these, change them
here, immediately below in OPT_STRING, and in the help text. */
#define OPT_HELP 0x01ff
#define OPT_VERSION 0x02ff
#define OPT_REMOVE 'r'
#define OPT_ALBUM 'A'
#define OPT_ARTIST 'a'
#define OPT_TEMPO 'b'
#define OPT_COMMENT 'c'
#define OPT_COPYRIGHT 'C'
#define OPT_DISK 'd'
#define OPT_DISKS 'D'
#define OPT_ENCODEDBY 'e'
#define OPT_TOOL 'E'
#define OPT_GENRE 'g'
#define OPT_GROUPING 'G'
#define OPT_HD 'H'
#define OPT_MEDIA_TYPE 'i'
#define OPT_CONTENTID 'I'
#define OPT_LONGDESC 'l'
#define OPT_GENREID 'j'
#define OPT_LYRICS 'L'
#define OPT_DESCRIPTION 'm'
#define OPT_TVEPISODE 'M'
#define OPT_TVSEASON 'n'
#define OPT_TVNETWORK 'N'
#define OPT_TVEPISODEID 'o'
#define OPT_CATEGORY 'O'
#define OPT_PLAYLISTID 'p'
#define OPT_PICTURE 'P'
#define OPT_PODCAST 'B'
#define OPT_ALBUM_ARTIST 'R'
#define OPT_NAME 's'
#define OPT_TVSHOW 'S'
#define OPT_TRACK 't'
#define OPT_TRACKS 'T'
#define OPT_XID 'x'
#define OPT_RATING 'X'
#define OPT_COMPOSER 'w'
#define OPT_RELEASEDATE 'y'
#define OPT_ARTISTID 'z'
#define OPT_COMPOSERID 'Z'
#define OPT_STRING "r:A:a:b:c:C:d:D:e:E:g:G:H:i:I:j:l:L:m:M:n:N:o:O:p:P:B:R:s:S:t:T:x:X:w:y:z:Z:"
#define ELEMENT_OF(x,i) x[int(i)]
static const char* const help_text =
"OPTION... FILE...\n"
"Adds or modifies iTunes-compatible tags on MP4 files.\n"
"\n"
" -help Display this help text and exit\n"
" -version Display version information and exit\n"
" -A, -album STR Set the album title\n"
" -a, -artist STR Set the artist information\n"
" -b, -tempo NUM Set the tempo (beats per minute)\n"
" -c, -comment STR Set a general comment\n"
" -C, -copyright STR Set the copyright information\n"
" -d, -disk NUM Set the disk number\n"
" -D, -disks NUM Set the number of disks\n"
" -e, -encodedby STR Set the name of the person or company who encoded the file\n"
" -E, -tool STR Set the software used for encoding\n"
" -g, -genre STR Set the genre name\n"
" -G, -grouping STR Set the grouping name\n"
" -H, -hdvideo NUM Set the HD flag (1\\0)\n"
" -i, -type STR Set the Media Type(tvshow, movie, music, ...)\n"
" -I, -contentid NUM Set the content ID\n"
" -j, -genreid NUM Set the genre ID\n"
" -l, -longdesc STR Set the long description\n"
" -L, -lyrics NUM Set the lyrics\n"
" -m, -description STR Set the short description\n"
" -M, -episode NUM Set the episode number\n"
" -n, -season NUM Set the season number\n"
" -N, -network STR Set the TV network\n"
" -o, -episodeid STR Set the TV episode ID\n"
" -O, -category STR Set the category\n"
" -p, -playlistid NUM Set the playlist ID\n"
" -P, -picture PTH Set the picture as a .png\n"
" -B, -podcast NUM Set the podcast flag.\n"
" -R, -albumartist STR Set the album artist\n"
" -s, -song STR Set the song title\n"
" -S -show STR Set the TV show\n"
" -t, -track NUM Set the track number\n"
" -T, -tracks NUM Set the number of tracks\n"
" -x, -xid STR Set the globally-unique xid (vendor:scheme:id)\n"
" -X, -rating STR Set the Rating(none, clean, explicit)\n"
" -w, -writer STR Set the composer information\n"
" -y, -year NUM Set the release date\n"
" -z, -artistid NUM Set the artist ID\n"
" -Z, -composerid NUM Set the composer ID\n"
" -r, -remove STR Remove tags by code (e.g. \"-r cs\"\n"
" removes the comment and song tags)";
extern "C" int
main( int argc, char** argv )
{
const prog::Option long_options[] = {
{ "help", prog::Option::NO_ARG, 0, OPT_HELP },
{ "version", prog::Option::NO_ARG, 0, OPT_VERSION },
{ "album", prog::Option::REQUIRED_ARG, 0, OPT_ALBUM },
{ "artist", prog::Option::REQUIRED_ARG, 0, OPT_ARTIST },
{ "comment", prog::Option::REQUIRED_ARG, 0, OPT_COMMENT },
{ "copyright", prog::Option::REQUIRED_ARG, 0, OPT_COPYRIGHT },
{ "disk", prog::Option::REQUIRED_ARG, 0, OPT_DISK },
{ "disks", prog::Option::REQUIRED_ARG, 0, OPT_DISKS },
{ "encodedby", prog::Option::REQUIRED_ARG, 0, OPT_ENCODEDBY },
{ "tool", prog::Option::REQUIRED_ARG, 0, OPT_TOOL },
{ "genre", prog::Option::REQUIRED_ARG, 0, OPT_GENRE },
{ "grouping", prog::Option::REQUIRED_ARG, 0, OPT_GROUPING },
{ "hdvideo", prog::Option::REQUIRED_ARG, 0, OPT_HD },
{ "type", prog::Option::REQUIRED_ARG, 0, OPT_MEDIA_TYPE },
{ "contentid", prog::Option::REQUIRED_ARG, 0, OPT_CONTENTID },
{ "longdesc", prog::Option::REQUIRED_ARG, 0, OPT_LONGDESC },
{ "genreid", prog::Option::REQUIRED_ARG, 0, OPT_GENREID },
{ "lyrics", prog::Option::REQUIRED_ARG, 0, OPT_LYRICS },
{ "description", prog::Option::REQUIRED_ARG, 0, OPT_DESCRIPTION },
{ "episode", prog::Option::REQUIRED_ARG, 0, OPT_TVEPISODE },
{ "season", prog::Option::REQUIRED_ARG, 0, OPT_TVSEASON },
{ "network", prog::Option::REQUIRED_ARG, 0, OPT_TVNETWORK },
{ "episodeid", prog::Option::REQUIRED_ARG, 0, OPT_TVEPISODEID },
{ "playlistid", prog::Option::REQUIRED_ARG, 0, OPT_PLAYLISTID },
{ "picture", prog::Option::REQUIRED_ARG, 0, OPT_PICTURE },
{ "podcast", prog::Option::REQUIRED_ARG, 0, OPT_PODCAST },
{ "song", prog::Option::REQUIRED_ARG, 0, OPT_NAME },
{ "show", prog::Option::REQUIRED_ARG, 0, OPT_TVSHOW },
{ "tempo", prog::Option::REQUIRED_ARG, 0, OPT_TEMPO },
{ "track", prog::Option::REQUIRED_ARG, 0, OPT_TRACK },
{ "tracks", prog::Option::REQUIRED_ARG, 0, OPT_TRACKS },
{ "xid", prog::Option::REQUIRED_ARG, 0, OPT_XID },
{ "writer", prog::Option::REQUIRED_ARG, 0, OPT_COMPOSER },
{ "year", prog::Option::REQUIRED_ARG, 0, OPT_RELEASEDATE },
{ "artistid", prog::Option::REQUIRED_ARG, 0, OPT_ARTISTID },
{ "composerid", prog::Option::REQUIRED_ARG, 0, OPT_COMPOSERID },
{ "remove", prog::Option::REQUIRED_ARG, 0, OPT_REMOVE },
{ "albumartist", prog::Option::REQUIRED_ARG, 0, OPT_ALBUM_ARTIST },
{ "category", prog::Option::REQUIRED_ARG, 0, OPT_CATEGORY },
{ "rating", prog::Option::REQUIRED_ARG, 0, OPT_RATING },
{ NULL, prog::Option::NO_ARG, 0, 0 }
};
/* Sparse arrays of tag data: some space is wasted, but it's more
convenient to say tags[OPT_SONG] than to enumerate all the
metadata types (again) as a struct. */
const char *tags[UCHAR_MAX];
uint64_t nums[UCHAR_MAX];
memset( tags, 0, sizeof( tags ) );
memset( nums, 0, sizeof( nums ) );
/* Any modifications requested? */
int mods = 0;
/* Option-processing loop. */
int c = prog::getOptionSingle( argc, argv, OPT_STRING, long_options, NULL );
while ( c != -1 ) {
int r = 2;
switch ( c ) {
/* getopt() returns '?' if there was an error. It already
printed the error message, so just return. */
case '?':
return 1;
/* Help and version requests handled here. */
case OPT_HELP:
fprintf( stderr, "usage %s %s\n", argv[0], help_text );
return 0;
case OPT_VERSION:
fprintf( stderr, "%s - %s\n", argv[0], MP4V2_PROJECT_name_formal );
return 0;
/* Integer arguments: convert them using sscanf(). */
case OPT_TEMPO:
case OPT_DISK:
case OPT_DISKS:
case OPT_HD:
case OPT_CONTENTID:
case OPT_GENREID:
case OPT_TVEPISODE:
case OPT_TVSEASON:
case OPT_PLAYLISTID:
case OPT_TRACK:
case OPT_TRACKS:
case OPT_ARTISTID:
case OPT_COMPOSERID:
case OPT_PODCAST:
if ( c == OPT_PLAYLISTID ) {
r = sscanf( prog::optarg, "%llu", &nums[c] );
} else {
unsigned int n;
r = sscanf( prog::optarg, "%u", &n );
if ( r >= 1 )
{
nums[c] = static_cast<uint64_t>( n );
}
}
if ( r < 1 ) {
fprintf( stderr, "%s: option requires integer argument -- %c\n",
argv[0], c );
return 2;
}
/* Break not, lest ye be broken. :) */
/* All arguments: all valid options end up here, and we just
stuff the string pointer into the tags[] array. */
default:
tags[c] = prog::optarg;
mods++;
} /* end switch */
c = prog::getOptionSingle( argc, argv, OPT_STRING, long_options, NULL );
} /* end while */
/* Check that we have at least one non-option argument */
if ( ( argc - prog::optind ) < 1 ) {
fprintf( stderr,
"%s: You must specify at least one MP4 file.\n",
argv[0] );
fprintf( stderr, "usage %s %s\n", argv[0], help_text );
return 3;
}
/* Check that we have at least one requested modification. Probably
it's useful instead to print the metadata if no modifications are
requested? */
if ( !mods ) {
fprintf( stderr,
"%s: You must specify at least one tag modification.\n",
argv[0] );
fprintf( stderr, "usage %s %s\n", argv[0], help_text );
return 4;
}
/* Loop through the non-option arguments, and modify the tags as
requested. */
while ( prog::optind < argc ) {
char *mp4 = argv[prog::optind++];
MP4FileHandle h = MP4Modify( mp4 );
if ( h == MP4_INVALID_FILE_HANDLE ) {
fprintf( stderr, "Could not open '%s'... aborting\n", mp4 );
return 5;
}
/* Read out the existing metadata */
const MP4Tags* mdata = MP4TagsAlloc();
MP4TagsFetch( mdata, h );
/* Remove any tags */
if ( ELEMENT_OF(tags,OPT_REMOVE) ) {
for ( const char *p = ELEMENT_OF(tags,OPT_REMOVE); *p; p++ ) {
switch ( *p ) {
case OPT_ALBUM:
MP4TagsSetAlbum( mdata, NULL );
break;
case OPT_ARTIST:
MP4TagsSetArtist( mdata, NULL );
break;
case OPT_TEMPO:
MP4TagsSetTempo( mdata, NULL );
break;
case OPT_COMMENT:
MP4TagsSetComments( mdata, NULL );
break;
case OPT_COPYRIGHT:
MP4TagsSetCopyright( mdata, NULL );
break;
case OPT_DISK:
MP4TagsSetDisk( mdata, NULL );
break;
case OPT_DISKS:
MP4TagsSetDisk( mdata, NULL );
break;
case OPT_ENCODEDBY:
MP4TagsSetEncodedBy( mdata, NULL );
break;
case OPT_TOOL:
MP4TagsSetEncodingTool( mdata, NULL );
break;
case OPT_GENRE:
MP4TagsSetGenre( mdata, NULL );
break;
case OPT_GROUPING:
MP4TagsSetGrouping( mdata, NULL );
break;
case OPT_HD:
MP4TagsSetHDVideo( mdata, NULL );
break;
case OPT_MEDIA_TYPE:
MP4TagsSetMediaType( mdata, NULL );
break;
case OPT_CONTENTID:
MP4TagsSetContentID( mdata, NULL );
break;
case OPT_LONGDESC:
MP4TagsSetLongDescription( mdata, NULL );
break;
case OPT_GENREID:
MP4TagsSetGenreID( mdata, NULL );
break;
case OPT_LYRICS:
MP4TagsSetLyrics( mdata, NULL );
break;
case OPT_DESCRIPTION:
MP4TagsSetDescription( mdata, NULL );
break;
case OPT_TVEPISODE:
MP4TagsSetTVEpisode( mdata, NULL );
break;
case OPT_TVSEASON:
MP4TagsSetTVSeason( mdata, NULL );
break;
case OPT_TVNETWORK:
MP4TagsSetTVNetwork( mdata, NULL );
break;
case OPT_TVEPISODEID:
MP4TagsSetTVEpisodeID( mdata, NULL );
break;
case OPT_PLAYLISTID:
MP4TagsSetPlaylistID( mdata, NULL );
break;
case OPT_PICTURE:
if( mdata->artworkCount )
MP4TagsRemoveArtwork( mdata, 0 );
break;
case OPT_ALBUM_ARTIST:
MP4TagsSetAlbumArtist( mdata, NULL );
break ;
case OPT_NAME:
MP4TagsSetName( mdata, NULL );
break;
case OPT_TVSHOW:
MP4TagsSetTVShow( mdata, NULL );
break;
case OPT_TRACK:
MP4TagsSetTrack( mdata, NULL );
break;
case OPT_TRACKS:
MP4TagsSetTrack( mdata, NULL );
break;
case OPT_XID:
MP4TagsSetXID( mdata, NULL );
break;
case OPT_COMPOSER:
MP4TagsSetComposer( mdata, NULL );
break;
case OPT_RELEASEDATE:
MP4TagsSetReleaseDate( mdata, NULL );
break;
case OPT_ARTISTID:
MP4TagsSetArtistID( mdata, NULL );
break;
case OPT_COMPOSERID:
MP4TagsSetComposerID( mdata, NULL );
break;
case OPT_PODCAST:
MP4TagsSetPodcast(mdata, NULL);
break;
case OPT_CATEGORY:
MP4TagsSetCategory(mdata, NULL);
break;
case OPT_RATING:
MP4TagsSetContentRating(mdata, NULL);
break;
}
}
}
/* Track/disk numbers need to be set all at once, but we'd like to
allow users to just specify -T 12 to indicate that all existing
track numbers are out of 12. This means we need to look up the
current info if it is not being set. */
if ( ELEMENT_OF(tags,OPT_TRACK) || ELEMENT_OF(tags,OPT_TRACKS) ) {
MP4TagTrack tt;
tt.index = 0;
tt.total = 0;
if( mdata->track ) {
tt.index = mdata->track->index;
tt.total = mdata->track->total;
}
if( ELEMENT_OF(tags,OPT_TRACK) )
tt.index = static_cast<uint16_t>( ELEMENT_OF(nums,OPT_TRACK) );
if( ELEMENT_OF(tags,OPT_TRACKS) )
tt.total = static_cast<uint16_t>( ELEMENT_OF(nums,OPT_TRACKS) );
MP4TagsSetTrack( mdata, &tt );
}
if ( ELEMENT_OF(tags,OPT_DISK) || ELEMENT_OF(tags,OPT_DISKS) ) {
MP4TagDisk td;
td.index = 0;
td.total = 0;
if( mdata->disk ) {
td.index = mdata->disk->index;
td.total = mdata->disk->total;
}
if( ELEMENT_OF(tags,OPT_DISK) )
td.index = static_cast<uint16_t>( ELEMENT_OF(nums,OPT_DISK) );
if( ELEMENT_OF(tags,OPT_DISKS) )
td.total = static_cast<uint16_t>( ELEMENT_OF(nums,OPT_DISKS) );
MP4TagsSetDisk( mdata, &td );
}
/* Set the other relevant attributes */
for ( int i = 0; i < UCHAR_MAX; i++ ) {
if ( tags[i] ) {
switch ( i ) {
case OPT_ALBUM:
MP4TagsSetAlbum( mdata, tags[i] );
break;
case OPT_ARTIST:
MP4TagsSetArtist( mdata, tags[i] );
break;
case OPT_TEMPO:
{
uint16_t value = static_cast<uint16_t>( nums[i] );
MP4TagsSetTempo( mdata, &value );
break;
}
case OPT_COMMENT:
MP4TagsSetComments( mdata, tags[i] );
break;
case OPT_COPYRIGHT:
MP4TagsSetCopyright( mdata, tags[i] );
break;
case OPT_ENCODEDBY:
MP4TagsSetEncodedBy( mdata, tags[i] );
break;
case OPT_TOOL:
MP4TagsSetEncodingTool( mdata, tags[i] );
break;
case OPT_GENRE:
MP4TagsSetGenre( mdata, tags[i] );
break;
case OPT_GROUPING:
MP4TagsSetGrouping( mdata, tags[i] );
break;
case OPT_HD:
{
uint8_t value = static_cast<uint8_t>( nums[i] );
MP4TagsSetHDVideo( mdata, &value );
break;
}
case OPT_MEDIA_TYPE:
{
uint8_t st = static_cast<uint8_t>( itmf::enumStikType.toType( tags[i] ) ) ;
MP4TagsSetMediaType( mdata, &st );
break;
}
case OPT_CONTENTID:
{
uint32_t value = static_cast<uint32_t>( nums[i] );
MP4TagsSetContentID( mdata, &value );
break;
}
case OPT_LONGDESC:
MP4TagsSetLongDescription( mdata, tags[i] );
break;
case OPT_GENREID:
{
uint32_t value = static_cast<uint32_t>( nums[i] );
MP4TagsSetGenreID( mdata, &value );
break;
}
case OPT_LYRICS:
MP4TagsSetLyrics( mdata, tags[i] );
break;
case OPT_DESCRIPTION:
MP4TagsSetDescription( mdata, tags[i] );
break;
case OPT_TVEPISODE:
{
uint32_t value = static_cast<uint32_t>( nums[i] );
MP4TagsSetTVEpisode( mdata, &value );
break;
}
case OPT_TVSEASON:
{
uint32_t value = static_cast<uint32_t>( nums[i] );
MP4TagsSetTVSeason( mdata, &value );
break;
}
case OPT_TVNETWORK:
MP4TagsSetTVNetwork( mdata, tags[i] );
break;
case OPT_TVEPISODEID:
MP4TagsSetTVEpisodeID( mdata, tags[i] );
break;
case OPT_PLAYLISTID:
{
uint64_t value = static_cast<uint64_t>( nums[i] );
MP4TagsSetPlaylistID( mdata, &value );
break;
}
case OPT_PICTURE:
{
File in( tags[i], File::MODE_READ );
if( !in.open() ) {
MP4TagArtwork art;
art.size = (uint32_t)in.size;
art.data = malloc( art.size );
art.type = MP4_ART_UNDEFINED;
File::Size nin;
if( !in.read( art.data, art.size, nin ) && nin == art.size ) {
if( mdata->artworkCount )
MP4TagsRemoveArtwork( mdata, 0 );
MP4TagsAddArtwork( mdata, &art );
}
free( art.data );
in.close();
}
else {
fprintf( stderr, "Art file %s not found\n", tags[i] );
}
break;
}
case OPT_ALBUM_ARTIST:
MP4TagsSetAlbumArtist( mdata, tags[i] );
break;
case OPT_NAME:
MP4TagsSetName( mdata, tags[i] );
break;
case OPT_TVSHOW:
MP4TagsSetTVShow( mdata, tags[i] );
break;
case OPT_XID:
MP4TagsSetXID( mdata, tags[i] );
break;
case OPT_COMPOSER:
MP4TagsSetComposer( mdata, tags[i] );
break;
case OPT_RELEASEDATE:
MP4TagsSetReleaseDate( mdata, tags[i] );
break;
case OPT_ARTISTID:
{
uint32_t value = static_cast<uint32_t>( nums[i] );
MP4TagsSetArtistID( mdata, &value );
break;
}
case OPT_COMPOSERID:
{
uint32_t value = static_cast<uint32_t>( nums[i] );
MP4TagsSetComposerID( mdata, &value );
break;
}
case OPT_PODCAST:
{
uint8_t value = static_cast<uint8_t>( nums[i] );
MP4TagsSetPodcast(mdata, &value);
break;
}
case OPT_CATEGORY:
{
MP4TagsSetCategory(mdata, tags[i]);
break;
}
case OPT_RATING:
{
uint8_t rating = static_cast<uint8_t>( itmf::enumContentRating.toType( tags[i] ) ) ;
MP4TagsSetContentRating(mdata, &rating);
break;
}
}
}
}
/* Write out all tag modifications, free and close */
MP4TagsStore( mdata, h );
MP4TagsFree( mdata );
MP4Close( h );
} /* end while optind < argc */
return 0;
}