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///////////////////////////////////////////////////////////////////////////////
//
// 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.
//
// The Original Code is MP4v2.
//
// The Initial Developer of the Original Code is Kona Blend.
// Portions created by Kona Blend are Copyright (C) 2008.
// Portions created by David Byron are Copyright (C) 2010.
// All Rights Reserved.
//
// Contributors:
// Kona Blend, kona8lend@@gmail.com
// David Byron, dbyron@dbyron.com
//
///////////////////////////////////////////////////////////////////////////////
#include "util/impl.h"
namespace mp4v2 { namespace util {
using namespace itmf;
///////////////////////////////////////////////////////////////////////////////
class ArtUtility : public Utility
{
private:
enum ArtLongCode {
LC_ART_ANY = _LC_MAX,
LC_ART_INDEX,
LC_LIST,
LC_ADD,
LC_REMOVE,
LC_REPLACE,
LC_EXTRACT,
};
public:
ArtUtility( int, char** );
protected:
// delegates implementation
bool utility_option( int, bool& );
bool utility_job( JobContext& );
private:
struct ArtType {
string name;
string ext;
vector<string> cwarns; // compatibility warnings
string cerror; // compatibility error
};
bool actionList ( JobContext& );
bool actionAdd ( JobContext& );
bool actionRemove ( JobContext& );
bool actionReplace ( JobContext& );
bool actionExtract ( JobContext& );
bool extractSingle( JobContext&, const CoverArtBox::Item&, uint32_t );
private:
Group _actionGroup;
Group _parmGroup;
bool (ArtUtility::*_action)( JobContext& );
string _artImageFile;
uint32_t _artFilter;
};
///////////////////////////////////////////////////////////////////////////////
ArtUtility::ArtUtility( int argc, char** argv )
: Utility ( "mp4art", argc, argv )
, _actionGroup ( "ACTIONS" )
, _parmGroup ( "ACTION PARAMETERS" )
, _action ( NULL )
, _artFilter ( numeric_limits<uint32_t>::max() )
{
// add standard options which make sense for this utility
_group.add( STD_OPTIMIZE );
_group.add( STD_DRYRUN );
_group.add( STD_KEEPGOING );
_group.add( STD_OVERWRITE );
_group.add( STD_FORCE );
_group.add( STD_QUIET );
_group.add( STD_DEBUG );
_group.add( STD_VERBOSE );
_group.add( STD_HELP );
_group.add( STD_VERSION );
_group.add( STD_VERSIONX );
_parmGroup.add( "art-any", false, LC_ART_ANY, "act on all covr-boxes (default)" );
_parmGroup.add( "art-index", true, LC_ART_INDEX, "act on covr-box index IDX", "IDX" );
_groups.push_back( &_parmGroup );
_actionGroup.add( "list", false, LC_LIST, "list all covr-boxes" );
_actionGroup.add( "add", true, LC_ADD, "add covr-box from IMG file", "IMG" );
_actionGroup.add( "replace", true, LC_REPLACE, "replace covr-box with IMG file", "IMG" );
_actionGroup.add( "remove", false, LC_REMOVE, "remove covr-box" );
_actionGroup.add( "extract", false, LC_EXTRACT, "extract covr-box" );
_groups.push_back( &_actionGroup );
_usage = "[OPTION]... ACTION file...";
_description =
// 79-cols, inclusive, max desired width
// |----------------------------------------------------------------------------|
"\nFor each mp4 (m4a) file specified, perform the specified ACTION. An action"
"\nmust be specified. Some options are not applicable for some actions.";
}
///////////////////////////////////////////////////////////////////////////////
bool
ArtUtility::actionAdd( JobContext& job )
{
File in( _artImageFile, File::MODE_READ );
if( in.open() )
return herrf( "unable to open %s for read: %s\n", _artImageFile.c_str(), sys::getLastErrorStr() );
const uint32_t max = numeric_limits<uint32_t>::max();
if( in.size > max )
return herrf( "file too large: %s (exceeds %u bytes)\n", _artImageFile.c_str(), max );
CoverArtBox::Item item;
item.size = static_cast<uint32_t>( in.size );
item.buffer = static_cast<uint8_t*>( malloc( item.size ));
item.autofree = true;
File::Size nin;
if( in.read( item.buffer, item.size, nin ))
return herrf( "read failed: %s\n", _artImageFile.c_str() );
in.close();
verbose1f( "adding %s -> %s\n", _artImageFile.c_str(), job.file.c_str() );
if( dryrunAbort() )
return SUCCESS;
job.fileHandle = MP4Modify( job.file.c_str() );
if( job.fileHandle == MP4_INVALID_FILE_HANDLE )
return herrf( "unable to open for write: %s\n", job.file.c_str() );
if( CoverArtBox::add( job.fileHandle, item ))
return herrf( "unable to add covr-box\n" );
return SUCCESS;
}
///////////////////////////////////////////////////////////////////////////////
bool
ArtUtility::actionExtract( JobContext& job )
{
job.fileHandle = MP4Read( job.file.c_str() );
if( job.fileHandle == MP4_INVALID_FILE_HANDLE )
return herrf( "unable to open for read: %s\n", job.file.c_str() );
// single-mode
if( _artFilter != numeric_limits<uint32_t>::max() ) {
CoverArtBox::Item item;
if( CoverArtBox::get( job.fileHandle, item, _artFilter ))
return herrf( "unable to retrieve covr-box (index=%d): %s\n", _artFilter, job.file.c_str() );
return extractSingle( job, item, _artFilter );
}
// wildcard-mode
CoverArtBox::ItemList items;
if( CoverArtBox::list( job.fileHandle, items ))
return herrf( "unable to fetch list of covr-box: %s\n", job.file.c_str() );
bool onesuccess = false;
const CoverArtBox::ItemList::size_type max = items.size();
for( CoverArtBox::ItemList::size_type i = 0; i < max; i++ ) {
bool rv = extractSingle( job, items[i], (uint32_t)i );
if( !rv )
onesuccess = true;
if( !_keepgoing && rv )
return FAILURE;
}
return _keepgoing ? onesuccess : SUCCESS;
}
///////////////////////////////////////////////////////////////////////////////
bool
ArtUtility::actionList( JobContext& job )
{
ostringstream report;
const int widx = 3;
const int wsize = 8;
const int wtype = 9;
const string sep = " ";
if( _jobCount == 0 ) {
report << setw(widx) << right << "IDX" << left
<< sep << setw(wsize) << right << "BYTES" << left
<< sep << setw(8) << "CRC32"
<< sep << setw(wtype) << "TYPE"
<< sep << setw(0) << "FILE"
<< '\n';
report << setfill('-') << setw(70) << "" << setfill(' ') << '\n';
}
job.fileHandle = MP4Read( job.file.c_str() );
if( job.fileHandle == MP4_INVALID_FILE_HANDLE )
return herrf( "unable to open for read: %s\n", job.file.c_str() );
CoverArtBox::ItemList items;
if( CoverArtBox::list( job.fileHandle, items ))
return herrf( "unable to get list of covr-box: %s\n", job.file.c_str() );
int line = 0;
const CoverArtBox::ItemList::size_type max = items.size();
for( CoverArtBox::ItemList::size_type i = 0; i < max; i++ ) {
if( _artFilter != numeric_limits<uint32_t>::max() && _artFilter != i )
continue;
CoverArtBox::Item& item = items[i];
const uint32_t crc = crc32( item.buffer, item.size );
report << setw(widx) << right << i
<< sep << setw(wsize) << item.size
<< sep << setw(8) << setfill('0') << hex << crc << setfill(' ') << dec
<< sep << setw(wtype) << left << enumBasicType.toString( item.type );
if( line++ == 0 )
report << sep << setw(0) << job.file;
report << '\n';
}
verbose1f( "%s", report.str().c_str() );
return SUCCESS;
}
///////////////////////////////////////////////////////////////////////////////
bool
ArtUtility::actionRemove( JobContext& job )
{
job.fileHandle = MP4Modify( job.file.c_str() );
if( job.fileHandle == MP4_INVALID_FILE_HANDLE )
return herrf( "unable to open for write: %s\n", job.file.c_str() );
if( _artFilter == numeric_limits<uint32_t>::max() )
verbose1f( "removing covr-box (all) from %s\n", job.file.c_str() );
else
verbose1f( "removing covr-box (index=%d) from %s\n", _artFilter, job.file.c_str() );
if( dryrunAbort() )
return SUCCESS;
if( CoverArtBox::remove( job.fileHandle, _artFilter ))
return herrf( "remove failed\n" );
return SUCCESS;
}
///////////////////////////////////////////////////////////////////////////////
bool
ArtUtility::actionReplace( JobContext& job )
{
File in( _artImageFile, File::MODE_READ );
if( in.open() )
return herrf( "unable to open %s for read: %s\n", _artImageFile.c_str(), sys::getLastErrorStr() );
const uint32_t max = numeric_limits<uint32_t>::max();
if( in.size > max )
return herrf( "file too large: %s (exceeds %u bytes)\n", _artImageFile.c_str(), max );
CoverArtBox::Item item;
item.size = static_cast<uint32_t>( in.size );
item.buffer = static_cast<uint8_t*>( malloc( item.size ));
item.autofree = true;
File::Size nin;
if( in.read( item.buffer, item.size, nin ))
return herrf( "read failed: %s\n", _artImageFile.c_str() );
in.close();
if( _artFilter == numeric_limits<uint32_t>::max() )
verbose1f( "replacing %s -> %s (all)\n", _artImageFile.c_str(), job.file.c_str() );
else
verbose1f( "replacing %s -> %s (index=%d)\n", _artImageFile.c_str(), job.file.c_str(), _artFilter );
if( dryrunAbort() )
return SUCCESS;
job.fileHandle = MP4Modify( job.file.c_str() );
if( job.fileHandle == MP4_INVALID_FILE_HANDLE )
return herrf( "unable to open for write: %s\n", job.file.c_str() );
if( CoverArtBox::set( job.fileHandle, item, _artFilter ))
return herrf( "unable to add covr-box: %s\n", job.file.c_str() );
return SUCCESS;
}
///////////////////////////////////////////////////////////////////////////////
bool
ArtUtility::extractSingle( JobContext& job, const CoverArtBox::Item& item, uint32_t index )
{
// compute out filename
string out_name = job.file;
FileSystem::pathnameStripExtension( out_name );
ostringstream oss;
oss << out_name << ".art[" << index << ']';
// if implicit we try to determine type by inspecting data
BasicType bt = item.type;
if( bt == BT_IMPLICIT )
bt = computeBasicType( item.buffer, item.size );
// add file extension appropriate for known covr-box types
switch( bt ) {
case BT_GIF: oss << ".gif"; break;
case BT_JPEG: oss << ".jpg"; break;
case BT_PNG: oss << ".png"; break;
case BT_BMP: oss << ".bmp"; break;
default:
oss << ".dat";
break;
}
out_name = oss.str();
verbose1f( "extracting %s (index=%d) -> %s\n", job.file.c_str(), index, out_name.c_str() );
if( dryrunAbort() )
return SUCCESS;
File out( out_name, File::MODE_CREATE );
if( openFileForWriting( out ))
return FAILURE;
File::Size nout;
if( out.write( item.buffer, item.size, nout ))
return herrf( "write failed: %s\n", out_name.c_str() );
out.close();
return SUCCESS;
}
///////////////////////////////////////////////////////////////////////////////
bool
ArtUtility::utility_job( JobContext& job )
{
if( !_action )
return herrf( "no action specified\n" );
return (this->*_action)( job );
}
///////////////////////////////////////////////////////////////////////////////
bool
ArtUtility::utility_option( int code, bool& handled )
{
handled = true;
switch( code ) {
case LC_ART_ANY:
_artFilter = numeric_limits<uint32_t>::max();
break;
case LC_ART_INDEX:
{
istringstream iss( prog::optarg );
iss >> _artFilter;
if( iss.rdstate() != ios::eofbit )
return herrf( "invalid cover-art index: %s\n", prog::optarg );
break;
}
case LC_LIST:
_action = &ArtUtility::actionList;
break;
case LC_ADD:
_action = &ArtUtility::actionAdd;
_artImageFile = prog::optarg;
if( _artImageFile.empty() )
return herrf( "invalid image file: empty-string\n" );
break;
case LC_REMOVE:
_action = &ArtUtility::actionRemove;
break;
case LC_REPLACE:
_action = &ArtUtility::actionReplace;
_artImageFile = prog::optarg;
if( _artImageFile.empty() )
return herrf( "invalid image file: empty-string\n" );
break;
case LC_EXTRACT:
_action = &ArtUtility::actionExtract;
break;
default:
handled = false;
break;
}
return SUCCESS;
}
///////////////////////////////////////////////////////////////////////////////
}} // namespace mp4v2::util
///////////////////////////////////////////////////////////////////////////////
extern "C"
int main( int argc, char** argv )
{
mp4v2::util::ArtUtility util( argc, argv );
return util.process();
}