Retired Document
Important: This sample code may not represent best practices for current development. The project may use deprecated symbols and illustrate technologies and techniques that are no longer recommended.
MyDocument.m
/* |
File: MyDocument.m |
Abstract: Document delegate class implementation for example |
application (MovieAssembler). This class manages |
the the document UI, drives the watchfolder handling |
and initiates communication with the target instance |
of Final Cut Pro. |
Version: 1.0 |
Disclaimer: IMPORTANT: This Apple software is supplied to you by |
Apple, Inc. ("Apple") in consideration of your agreement to the |
following terms, and your use, installation, modification or |
redistribution of this Apple software constitutes acceptance of these |
terms. If you do not agree with these terms, please do not use, |
install, modify or redistribute this Apple software. |
In consideration of your agreement to abide by the following terms, and |
subject to these terms, Apple grants you a personal, non-exclusive |
license, under Apple's copyrights in this original Apple software (the |
"Apple Software"), to use, reproduce, modify and redistribute the Apple |
Software, with or without modifications, in source and/or binary forms; |
provided that if you redistribute the Apple Software in its entirety and |
without modifications, you must retain this notice and the following |
text and disclaimers in all such redistributions of the Apple Software. |
Neither the name, trademarks, service marks or logos of Apple, Inc. |
may be used to endorse or promote products derived from the Apple |
Software without specific prior written permission from Apple. Except |
as expressly stated in this notice, no other rights or licenses, express |
or implied, are granted by Apple herein, including but not limited to |
any patent rights that may be infringed by your derivative works or by |
other works in which the Apple Software may be incorporated. |
The Apple Software is provided by Apple on an "AS IS" basis. APPLE |
MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION |
THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS |
FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND |
OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS. |
IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL |
OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, |
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AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), |
STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE |
POSSIBILITY OF SUCH DAMAGE. |
Copyright © 2007 Apple, Inc., All Rights Reserved |
*/ |
#import "MyDocument.h" |
#import "FCP_AppleEvents.h" |
#import "apple_event.h" |
#include <sys/types.h> |
#include <sys/stat.h> |
#import <Cocoa/Cocoa.h> |
#import <QTKit/QTKit.h> |
@implementation MyDocument |
//---------------------------------------- |
- (id)init |
{ |
self = [super init]; |
if (self) { |
// init member variables |
processingFiles = NO; |
theWatchTimer = NULL; |
workingProjectURL = NULL; |
activelyWatching = NO; |
} |
return self; |
} |
//---------------------------------------- |
- (void)dealloc |
{ |
// stop the watch folder timer if it's still running |
if (theWatchTimer) |
{ |
[theWatchTimer invalidate]; |
theWatchTimer = NULL; |
} |
// free saved project URL |
if (workingProjectURL) |
[workingProjectURL release]; |
// call superclass |
[super dealloc]; |
} |
//---------------------------------------- |
- (NSString *)windowNibName |
{ |
return @"MyDocument"; // Override returning the nib file name of the document |
} |
//---------------------------------------- |
- (void)windowControllerDidLoadNib:(NSWindowController *) aController |
{ |
[super windowControllerDidLoadNib:aController]; |
[self refreshCachedProjectData:YES]; // attempt to refresh the UI |
} |
//---------------------------------------- |
// write changes to the document file |
- (BOOL)writeToURL:(NSURL *)absoluteURL ofType:(NSString *)typeName error:(NSError **)outError |
{ |
return (NO); // we only support reading/opening of projects |
} |
//---------------------------------------- |
// read a movie file from the URL, creating a metadata cache |
- (BOOL)readFromURL:(NSURL *)absoluteURL ofType:(NSString *)typeName error:(NSError **)outError |
{ |
// shared locals |
BOOL success = YES; |
// is this a native project, or an XML file? |
if ([typeName isEqualToString:@"fcpProjectType"] == YES) |
{ |
// mark as native and save URL |
workingProjectURL = [absoluteURL retain]; |
// open project in FCP |
success = [self openProjectInFinalCutPro]; |
} |
else |
{ |
success = NO; // unsupported type |
} |
// return results |
return (success); |
} |
//---------------------------------------- |
// browse for a new media folder path |
- (IBAction)browseMediaFolder:(id)sender |
{ |
// bring up an open panel, filling the media field once it's done |
NSOpenPanel *openPanel = [NSOpenPanel openPanel]; |
[openPanel setTitle:@"Select Media Folder"]; |
[openPanel setCanChooseDirectories:YES]; |
[openPanel setCanChooseFiles:NO]; |
if ([openPanel runModalForTypes:NULL] == NSOKButton) |
[mediaPathEdit setStringValue:[[openPanel filenames] objectAtIndex:0]]; |
} |
//---------------------------------------- |
// browse for a new watch folder path |
- (IBAction)browseWatchFolder:(id)sender |
{ |
// bring up an open panel, filling the media field once it's done |
NSOpenPanel *openPanel = [NSOpenPanel openPanel]; |
[openPanel setTitle:@"Select Watch Folder"]; |
[openPanel setCanChooseDirectories:YES]; |
[openPanel setCanChooseFiles:NO]; |
if ([openPanel runModalForTypes:NULL] == NSOKButton) |
[watchPathEdit setStringValue:[[openPanel filenames] objectAtIndex:0]]; |
} |
//---------------------------------------- |
// change the current target sequence |
- (IBAction)selectTargetSequence:(id)sender |
{ |
// if the user selected the "new sequence" option, then make one |
if ([sender indexOfSelectedItem] == 0) |
{ |
// bring up new sequence name panel |
[NSApp beginSheet: newSequenceNamePanel |
modalForWindow: [self windowForSheet] |
modalDelegate: nil |
didEndSelector: nil |
contextInfo: nil]; |
[NSApp runModalForWindow: newSequenceNamePanel]; |
// (dialog is running here) |
[NSApp endSheet: newSequenceNamePanel]; |
[newSequenceNamePanel orderOut: self]; |
// get string from dialog |
NSString *newSeqName = [newSequenceNameEdit stringValue]; |
if ([newSeqName length] <= 0) |
newSeqName = NULL; |
// only continue if we received a string |
if (newSeqName) |
{ |
// read base file from bundle |
NSString * sourceSnippetPath = [NSString stringWithFormat:@"%@/EmptySequence.xml", [[NSBundle mainBundle] resourcePath]]; |
NSString * rawXMLString = [NSString stringWithContentsOfFile:sourceSnippetPath encoding:NSUTF8StringEncoding error:NULL]; |
// only continue if we read the base xml file |
if (rawXMLString) |
{ |
// construct XML snippet for the sequence |
NSMutableString *xmlSnippet = [[NSMutableString alloc] initWithCapacity:2048]; |
[xmlSnippet appendString:rawXMLString]; |
NSRange stringRange = {0, [xmlSnippet length]}; |
[xmlSnippet replaceOccurrencesOfString:@"NewEmptySequence" withString:newSeqName options:NSCaseInsensitiveSearch range:stringRange]; |
// send the sequence to Final Cut Pro |
apple_event *theEvent = [[apple_event alloc] init]; |
NSData *finalData = [NSData dataWithBytes:[xmlSnippet UTF8String] |
length:[xmlSnippet lengthOfBytesUsingEncoding:NSUTF8StringEncoding]]; |
[theEvent create:kAEImportXMLToDocument // Event: open a project file |
class:kFCPEventClass // Class: FCP Events |
dest:kFCPEventClass]; // Destination: FCP Events |
[theEvent projectfile:NULL // no path (using URL) |
url:workingProjectURL // project file (specified by URL) |
as:sendAsURL]; // send type (URL) |
[theEvent sendXML:finalData]; // attach the XML Data |
// send the event |
[theEvent send]; |
// add the new sequence to the end of the popup and select it |
[sequencePopup addItemWithTitle:newSeqName]; |
[sequencePopup selectItemAtIndex:([sequencePopup numberOfItems]-1)]; |
// log success |
[self recordLogText:@"Succesfully created new sequence."]; |
} |
} |
} |
} |
//---------------------------------------- |
// finish name panel |
- (IBAction)closeSequenceNamePanel:(id)sender |
{ |
[NSApp stopModal]; |
} |
//---------------------------------------- |
// start or stop monitoring of the watch folder, and the processing of events |
- (IBAction)startStopMonitoring:(id)sender |
{ |
// locals |
BOOL success = YES; |
// are we watching or not? |
if (activelyWatching == NO) |
{ |
// validate paths |
NSFileManager *theFileManager = [NSFileManager defaultManager]; |
NSString * curMediaPath = [mediaPathEdit stringValue]; |
NSString * curWatchPath = [watchPathEdit stringValue]; |
BOOL pathIsFolder = NO; |
// does the media path exist, and is it a folder? |
if (curMediaPath == NULL || [curMediaPath length] < 1) |
{ |
[self recordLogText:@"ERROR: Specified media path does not exist, aborting monitoring startup."]; |
success = NO; |
} |
else if ([theFileManager fileExistsAtPath:curMediaPath isDirectory:&pathIsFolder] == NO || pathIsFolder == NO) |
{ |
[self recordLogText:@"ERROR: Specified media path is not a folder, aborting monitoring startup."]; |
success = NO; |
} |
// does the watch path exist? |
if (curWatchPath == NULL || [curWatchPath length] < 1) |
{ |
[self recordLogText:@"ERROR: Specified watch path does not exist, aborting monitoring startup."]; |
success = NO; |
} |
else if ([theFileManager fileExistsAtPath:curWatchPath isDirectory:&pathIsFolder] == NO || pathIsFolder == NO) |
{ |
[self recordLogText:@"ERROR: Specified watch path is not a folder, aborting monitoring startup."]; |
success = NO; |
} |
// attempt conversation with Final Cut Pro |
if (success == YES) |
success = [self openProjectInFinalCutPro]; |
// start watch timer |
if (success == YES) |
if ((theWatchTimer = [NSTimer scheduledTimerWithTimeInterval:2 target:self selector:@selector(watchFolderTimerMethod:) userInfo:NULL repeats:YES]) == NULL) |
success = NO; |
// reset state |
if (success == YES) |
{ |
[mediaPathEdit setEnabled:NO]; |
[mediaPathButton setEnabled:NO]; |
[watchPathEdit setEnabled:NO]; |
[watchPathButton setEnabled:NO]; |
if (startStopButton) |
[startStopButton setTitle:@"STOP"]; |
activelyWatching = YES; |
[self recordLogText:@"Initiated watch folder monitoring."]; |
} |
else |
{ |
[self recordLogText:@"ERROR: Failed to START monitoring watch folder."]; |
} |
} |
else |
{ |
// stop watch timer |
if (theWatchTimer) |
{ |
[theWatchTimer invalidate]; |
theWatchTimer = NULL; |
} |
// reset state |
if (success == YES) |
{ |
[mediaPathEdit setEnabled:YES]; |
[mediaPathButton setEnabled:YES]; |
[watchPathEdit setEnabled:YES]; |
[watchPathButton setEnabled:YES]; |
if (startStopButton) |
[startStopButton setTitle:@"START"]; |
activelyWatching = NO; |
[self recordLogText:@"Ended watch folder monitoring."]; |
} |
else |
{ |
[self recordLogText:@"ERROR: Failed to STOP monitoring watch folder."]; |
} |
} |
} |
//---------------------------------------- |
// change the current target sequence |
- (IBAction)refreshSequenceList:(id)sender |
{ |
[self refreshCachedProjectData:NO]; // refresh the sequence popup |
} |
//---------------------------------------- |
// add text to the log window |
- (void)recordLogText:(NSString*)newLogText |
{ |
NSString * finalString = [[NSString alloc] initWithFormat:@"%@ : %@\n", [[NSDate date] description], newLogText]; |
if (actionLogEdit) |
{ |
NSTextStorage *textStorage = [actionLogEdit textStorage]; |
NSAttributedString *attribText = [[NSAttributedString alloc] initWithString:finalString]; |
[textStorage insertAttributedString:attribText atIndex:0]; |
} |
} |
//---------------------------------------- |
// open the current project in final cut pro - done when monitoring begins |
- (BOOL)openProjectInFinalCutPro |
{ |
// allocate an apple event transmitter object |
apple_event *theEvent = [[apple_event alloc] init]; |
[theEvent create:kAEFCPOpenProjectFile // Event: open a project file |
class:kFCPEventClass // Class: FCP Events |
dest:kFCPEventClass]; // Destination: FCP Events |
[theEvent projectfile:NULL // no path (using URL) |
url:workingProjectURL // project file (specified by URL) |
as:sendAsURL]; // send type (URL) |
// send the event |
[theEvent send]; |
// return success |
return (YES); |
} |
//---------------------------------------- |
// get the xml from FCP for the project and scrape it for useful information |
- (BOOL)refreshCachedProjectData:(BOOL)retrievePaths |
{ |
// locals |
BOOL success = YES; |
NSData *resultXMLData = NULL; |
NSMutableArray *localSequenceInfoArray = NULL; |
// get XML data for the current project from FCP |
if (success == YES) |
{ |
// allocate an apple event transmitter object |
apple_event *theEvent = [[apple_event alloc] init]; |
[theEvent create:kKGAEGetDocumentXML // Event: get the xml for the project |
class:kFCPEventClass // Class: FCP Events |
dest:kFCPEventClass]; // Destination: FCP Events |
[theEvent projectfile:NULL // no path (using URL) |
url:workingProjectURL // project file (specified by URL) |
as:sendAsURL]; // send type (URL) |
[theEvent version:@"3.0"]; // set desired XML version |
// send the event |
[theEvent send]; |
// get the XML data |
resultXMLData = [theEvent getXMLResultTextData]; |
if (resultXMLData == NULL) |
success = NO; |
} |
// scrape the XML data for sequence information |
if (success == YES) { |
NSError *localError = NULL; |
NSXMLDocument *localXMLTreeRoot = [[NSXMLDocument alloc] initWithData:resultXMLData options:0 error:&localError]; |
if (localXMLTreeRoot == NULL) |
{ |
success = NO; |
} |
else |
{ |
NSEnumerator * seqEnumerator = NULL, *pathEnumerator = NULL; |
NSXMLNode * curElement = NULL, *nameElement = NULL; |
NSArray * foundSequences = NULL, *foundFiles = NULL, *foundNames = NULL; |
NSString *theSeqName = NULL; |
// find each sequence, storing it's name in our list |
if ((foundSequences = [localXMLTreeRoot objectsForXQuery:@".//sequence" error:&localError]) != NULL) |
if ((seqEnumerator = [foundSequences objectEnumerator]) != NULL) |
{ |
localSequenceInfoArray = [NSMutableArray arrayWithCapacity:[foundSequences count]]; |
while ((curElement = (NSXMLNode*) [seqEnumerator nextObject])) |
if ((foundNames = [curElement objectsForXQuery:@"./name" error:&localError])) |
if ((nameElement = [foundNames objectAtIndex:0]) != NULL) |
{ |
theSeqName = [nameElement stringValue]; |
[localSequenceInfoArray addObject:theSeqName]; |
} |
} |
// rebuild the sequence popup and set the selection |
[sequencePopup removeAllItems]; |
[sequencePopup addItemWithTitle:@"(create new sequence)"]; |
if ([localSequenceInfoArray count]) |
{ |
[sequencePopup addItemsWithTitles:localSequenceInfoArray]; |
[sequencePopup selectItemAtIndex:1]; |
} |
[self recordLogText:@"Successfully rebuilt sequence list."]; |
// deal with monitoring paths |
if (retrievePaths == YES) |
{ |
NSString *foundMediaPath = NULL, *foundWatchPath = NULL; |
// scan the project for a media path, using the first movie file we find |
if ((foundFiles = [localXMLTreeRoot objectsForXQuery:@".//pathurl" error:&localError]) != NULL) |
if ((pathEnumerator = [foundFiles objectEnumerator]) != NULL) |
while ((curElement = (NSXMLNode*) [pathEnumerator nextObject]) && foundMediaPath == NULL) |
{ |
NSURL * candidateURL = [NSURL URLWithString:[curElement stringValue]]; |
NSString * candidatePath = [candidateURL path]; |
if ([[candidatePath pathExtension] caseInsensitiveCompare:@"mov"] == NSOrderedSame) |
{ |
[self recordLogText:@"Found media storage path in project."]; |
foundMediaPath = [candidatePath stringByDeletingLastPathComponent]; |
} |
} |
// infer media path |
if (foundMediaPath == NULL) |
{ |
foundMediaPath = [[[workingProjectURL path] stringByDeletingLastPathComponent] stringByAppendingString:@"/Media"]; |
[self recordLogText:@"Inferred media storage path."]; |
} |
// infer watch path |
if (foundWatchPath == NULL) |
{ |
foundWatchPath = [[[workingProjectURL path] stringByDeletingLastPathComponent] stringByAppendingString:@"/Incoming"]; |
[self recordLogText:@"Inferred watch folder path."]; |
} |
// update UI with paths |
if (foundMediaPath) [mediaPathEdit setStringValue:foundMediaPath]; |
if (foundWatchPath) [watchPathEdit setStringValue:foundWatchPath]; |
} |
} |
} |
// return results |
return (success); |
} |
//---------------------------------------- |
// timer callback method: check the watchfolder for files we haven't processed |
- (void)watchFolderTimerMethod:(NSTimer*)theTimer |
{ |
// make sure we don't enter this twice |
if (processingFiles == NO) |
{ |
// set timer semaphore |
processingFiles = YES; |
// look for files in the watch folder |
NSFileManager *theFileManager = [NSFileManager defaultManager]; |
NSDirectoryEnumerator *watchFolderEnumerator = [theFileManager enumeratorAtPath:[watchPathEdit stringValue]]; |
NSString *curFilename = NULL; |
BOOL isFolder = NO; |
// walk the files, processing movie files |
while ((curFilename = [watchFolderEnumerator nextObject])) |
{ |
NSString *sourcePath = [[watchPathEdit stringValue] stringByAppendingPathComponent:curFilename]; |
[theFileManager fileExistsAtPath:sourcePath isDirectory:&isFolder]; |
if (isFolder == YES) |
{ |
[watchFolderEnumerator skipDescendents]; |
} |
else |
{ |
// add to set to record as being tracked |
NSString *cachedFilename = [NSString stringWithString:curFilename]; |
// construct destination path, and check for existance |
NSString *destPath = [[mediaPathEdit stringValue] stringByAppendingPathComponent:cachedFilename]; |
if ([theFileManager fileExistsAtPath:destPath] == NO) |
{ |
NSWorkspace *theWorkspace = [NSWorkspace sharedWorkspace]; |
int operationTag = -1; |
NSArray * theFileArray = [NSArray arrayWithObject:cachedFilename]; |
struct stat fileStats[2]; |
// get the initial file modification stats |
memset(fileStats, 0, (sizeof(stat)*2)); |
stat([sourcePath UTF8String], &fileStats[0]); |
// while the time is changing, keep on waiting |
do |
{ |
// log a message? |
if (fileStats[1].st_mtimespec.tv_sec != 0) |
NSLog(@"new file in watchfolder is busy, retrying"); |
// sleep for a second |
sleep(1); |
// get the new stats so we can compare to the old ones |
fileStats[0] = fileStats[1]; |
stat([sourcePath UTF8String], &fileStats[1]); |
} |
while (fileStats[0].st_mtimespec.tv_sec != fileStats[1].st_mtimespec.tv_sec); |
// perform the actual move operation |
if ([theWorkspace performFileOperation:NSWorkspaceMoveOperation |
source:[watchPathEdit stringValue] |
destination:[mediaPathEdit stringValue] |
files:theFileArray |
tag:&operationTag] == YES && operationTag >= 0) |
{ |
// log this file as being moved |
[self recordLogText:[NSString stringWithFormat:@"Successfully moved %@ into media folder.", cachedFilename]]; |
// attempt to add this file to the sequence/project we're monitoring |
[self processFileForProject:destPath]; |
} |
} |
} |
} |
// reset timer semaphore |
processingFiles = NO; |
} |
} |
//---------------------------------------- |
// process file for project |
- (BOOL)processFileForProject:(NSString *)newFilePath |
{ |
// locals |
BOOL success = YES; |
NSData *resultXMLData = NULL; |
NSString *newClipID = NULL, *finalFilePathURL = NULL; |
// get the clip ID from the file |
if ((newClipID = [self readClipIDFromFile:newFilePath]) == NULL) |
{ |
NSLog(@"Unable to get ID for new file"); |
return (NO); |
} |
else |
{ |
NSURL * tempURL = [NSURL fileURLWithPath:newFilePath]; |
finalFilePathURL = [tempURL absoluteString]; |
} |
// get XML data for the current project from FCP |
if (success == YES) |
{ |
// allocate an apple event transmitter object |
apple_event *theEvent = [[apple_event alloc] init]; |
[theEvent create:kKGAEGetDocumentXML // Event: get the xml for the project |
class:kFCPEventClass // Class: FCP Events |
dest:kFCPEventClass]; // Destination: FCP Events |
[theEvent projectfile:NULL // no path (using URL) |
url:workingProjectURL // project file (specified by URL) |
as:sendAsURL]; // send type (URL) |
[theEvent version:@"3.0"]; // set desired XML version |
// send the event |
[theEvent send]; |
// get the XML data |
resultXMLData = [theEvent getXMLResultTextData]; |
if (resultXMLData == NULL) |
success = NO; |
} |
// scrape the XML data for sequence information |
if (success == YES) { |
NSError *localError = NULL; |
NSXMLDocument *localXMLTreeRoot = [[NSXMLDocument alloc] initWithData:resultXMLData options:0 error:&localError]; |
NSString * selSequenceTitle = [sequencePopup titleOfSelectedItem]; |
NSXMLNode * workingSequence = NULL; |
if (localXMLTreeRoot == NULL) |
{ |
success = NO; |
} |
else |
{ |
NSEnumerator * seqEnumerator = NULL; |
NSXMLNode * curElement = NULL; |
NSArray * foundSequences = NULL; |
// find the sequence we need |
if ((foundSequences = [localXMLTreeRoot objectsForXQuery:@".//sequence" error:&localError]) != NULL) |
if ((seqEnumerator = [foundSequences objectEnumerator]) != NULL) |
while ((curElement = (NSXMLNode*) [seqEnumerator nextObject]) && workingSequence == NULL) |
if ([[[[curElement objectsForXQuery:@"./name" error:&localError] objectAtIndex:0] stringValue] compare:selSequenceTitle] == NSOrderedSame) |
workingSequence = curElement; |
// assuming we found the sequence, query the sequence for clipitems with the same name |
if (workingSequence != NULL) |
{ |
NSMutableArray * sharedFileDefinitions = NULL; |
NSEnumerator * itemEnumerator = NULL; |
NSXMLElement * curClipItem = NULL; |
NSArray * foundClipItems = NULL; |
// walk clipitems with the specified clip ID for it's name |
NSString * clipItemSearchString = [NSString stringWithFormat:@".//clipitem[name=\"%@\"]", newClipID]; |
if ((foundClipItems = [workingSequence objectsForXQuery:clipItemSearchString error:&localError]) != NULL) |
if ((itemEnumerator = [foundClipItems objectEnumerator]) != NULL) |
while ((curClipItem = (NSXMLElement*) [itemEnumerator nextObject])) |
{ |
// replace file definition |
NSXMLNode * nameElement = [NSXMLNode elementWithName:@"name" stringValue:newClipID]; |
NSXMLNode * pathElement = [NSXMLNode elementWithName:@"pathurl" stringValue:finalFilePathURL]; |
NSXMLElement * newFileElement = [[NSXMLElement alloc] initWithName:@"file"]; |
[newFileElement addChild:nameElement]; |
[newFileElement addChild:pathElement]; |
// find the file definition for this item |
NSXMLElement * oldFile = [[curClipItem objectsForXQuery:@"./file" error:&localError] objectAtIndex:0]; |
unsigned int oldFileIndex = [oldFile index]; |
// FIXUP! Deal with shared file definitions going away... |
if ([oldFile childCount] > 0) |
{ |
// alloc a mutable array if we don't have one... |
if (sharedFileDefinitions == NULL) |
sharedFileDefinitions = [NSMutableArray arrayWithCapacity:4]; |
// add this file to the tracking array |
[sharedFileDefinitions addObject:oldFile]; |
} |
// detach the old file definition and add a new file definition to this clipitem |
[oldFile detach]; |
[curClipItem insertChild:newFileElement atIndex:oldFileIndex]; |
} |
// deal with shared file definitions... |
if (sharedFileDefinitions) |
{ |
NSEnumerator *oldFileEnumerator = NULL; |
NSXMLElement *curOldFileElement = NULL; |
NSXMLNode *fileIDAttribute = NULL; |
// for each "old" file, look for the first sparse usage of it (if any) and replace it with the full definition |
if ((oldFileEnumerator = [sharedFileDefinitions objectEnumerator]) != NULL) |
while ((curOldFileElement = (NSXMLElement*) [oldFileEnumerator nextObject]) != NULL) |
if ((fileIDAttribute = [curOldFileElement attributeForName:@"id"]) != NULL) |
{ |
NSString * oldFileID = [fileIDAttribute stringValue]; |
NSString * oldFileSearchString = [NSString stringWithFormat:@".//file[@id=\"%@\"]", oldFileID]; |
NSArray * foundSeqFiles = [workingSequence objectsForXQuery:oldFileSearchString error:&localError]; |
// if we found at least one file, replace it |
if ([foundSeqFiles count] > 0) |
{ |
NSXMLElement *replaceFileElement = [foundSeqFiles objectAtIndex:0]; |
NSXMLElement *replaceFileParent = (NSXMLElement*) [replaceFileElement parent]; |
unsigned int replaceFileIndex = [replaceFileElement index]; |
// detach the old file and insert the new/old full file definition at it's location. |
[replaceFileElement detach]; |
[replaceFileParent insertChild:curOldFileElement atIndex:replaceFileIndex]; |
} |
} |
} |
// change updatebehavior in sequence |
[[[workingSequence objectsForXQuery:@"./updatebehavior" error:&localError] objectAtIndex:0] setStringValue:@"replaceiffound"]; |
// create new xml document |
NSXMLDocument *newTreeRoot = [[NSXMLDocument alloc] |
initWithXMLString:@"<?xml version=\"1.0\" encoding=\"UTF-8\"?><!DOCTYPE xmeml><xmeml version=\"3\"></xmeml>" |
options:0 error:&localError]; |
// add sequence to new document |
[workingSequence detach]; |
NSXMLElement * newRootElement = [[newTreeRoot objectsForXQuery:@"./xmeml" error:&localError] objectAtIndex:0]; |
[newRootElement addChild:workingSequence]; |
// send XML to final cut pro |
// send the sequence to Final Cut Pro |
apple_event *sendEvent = [[apple_event alloc] init]; |
NSData *finalData = [newTreeRoot XMLData]; |
[sendEvent create:kAEImportXMLToDocument // Event: open a project file |
class:kFCPEventClass // Class: FCP Events |
dest:kFCPEventClass]; // Destination: FCP Events |
[sendEvent projectfile:NULL // no path (using URL) |
url:workingProjectURL // project file (specified by URL) |
as:sendAsURL]; // send type (URL) |
[sendEvent sendXML:finalData]; // attach the XML Data |
// send the event |
[sendEvent send]; |
} |
else |
{ |
success = NO; |
} |
} |
} |
return (success); |
} |
//---------------------------------------- |
// read clip ID from media file |
- (NSString*)readClipIDFromFile:(NSString *)filePath |
{ |
// locals |
NSString * resultString = NULL; |
NSURL * fileURL = NULL; |
QTMovie * theMovie = NULL; |
NSError * theError = NULL; |
// open the movie from the path |
if ((fileURL = [NSURL fileURLWithPath:filePath]) != NULL) |
if ((theMovie = [QTMovie movieWithURL:fileURL error:&theError]) != NULL) |
{ |
QTMetaDataRef curMetadataContainer = NULL; |
QTMetaDataItem curMetadataItem = kQTMetaDataItemUninitialized; |
char *keyName = CLIP_ID_METADATA_KEY; |
ByteCount propValueSize = 0, propValueSizeUsed = 0; |
QTPropertyValueType propType = kQTMetaDataTypeBinary; |
QTPropertyValuePtr propValuePtr = NULL; |
QTCopyMovieMetaData([theMovie quickTimeMovie], &curMetadataContainer); |
if (curMetadataContainer != NULL) |
{ |
if (QTMetaDataGetNextItem(curMetadataContainer, kQTMetaDataStorageFormatQuickTime, |
curMetadataItem, kQTMetaDataKeyFormatQuickTime, (UInt8*)keyName, (ByteCount)strlen(keyName), &curMetadataItem) == noErr) |
if (QTMetaDataGetItemPropertyInfo(curMetadataContainer, curMetadataItem, kPropertyClass_MetaDataItem, |
kQTMetaDataItemPropertyID_Value, &propType, &propValueSize, NULL) == noErr) |
{ |
// alloc a buffer |
if ((propValuePtr = malloc(propValueSize+4)) != NULL) |
{ |
// clear the pointer (just to be safe) |
memset(propValuePtr, 0, (propValueSize+4)); |
// retrieve the value |
if (QTMetaDataGetItemProperty(curMetadataContainer, curMetadataItem, kPropertyClass_MetaDataItem, |
kQTMetaDataItemPropertyID_Value, propValueSize, propValuePtr, &propValueSizeUsed) == noErr) |
resultString = [NSString stringWithCString:propValuePtr encoding:NSUTF8StringEncoding]; |
// cleanup |
free(propValuePtr); |
propValuePtr = NULL; |
} |
} |
QTMetaDataRelease(curMetadataContainer); |
curMetadataContainer = NULL; |
} |
} |
// return results |
return (resultString); |
} |
@end |
Copyright © 2007 Apple Inc. All Rights Reserved. Terms of Use | Privacy Policy | Updated: 2007-11-14