Alassetslibrary Getting videos from albums

Take video

-(void) Getallvideo

{

Library = [[Alassetslibrary alloc] init];

Monitoring is available

Alassetslibraryaccessfailureblock Failureblock =

^ (Nserror *myerror)

{

NSLog (@ "album Access failed =%@", [Myerror localizeddescription]);

if ([Myerror.localizeddescription rangeofstring:@ "Global denied access"].location!=nsnotfound) {

NSLog (@ "Unable to access the album.) set the location services as set to open.");

}else{

NSLog (@ "album Access failed.");

}

UI hints that are not allowed to be accessed

[Self createnotallowview];

return;

};

Mutablearray =[[nsmutablearray Alloc]init];

Alassetslibrarygroupsenumerationresultsblock

Librarygroupsenumeration = ^ (alassetsgroup* group,bool* stop) {

if (group! = nil)

{

Take video only

[group Setassetsfilter:[alassetsfilter Allvideos]];

[Group Enumerateassetswithoptions:nsenumerationconcurrent usingblock:^ (Alasset *result, NSUInteger index, BOOL *stop) {

if (result) {

[Mutablearray Addobject:result];

}

}];

}

Else

{

NSLog (@ "%ld", Mutablearray.count);

[_collectionview Reloaddata];

}

};

[Library Enumerategroupswithtypes:alassetsgroupsavedphotos

Usingblock:librarygroupsenumeration

Failureblock:failureblock];

}

Write Local

-(void) Handlewrittenfile: (alasset*) Videoasset

{

if (!videoasset) {

NSLog (@ "nil");

Return

}

Write Local Path

NSString *filename = [self getvideomergefilepathstring];

Alassetrepresentation *represent = [Videoasset defaultrepresentation];

Nsuinteger size = [represent size];

Open 65636-size memory for one read and write

const int buffersize = 65636;

NSLog (@ "written to:%@", fileName);

FILE *fileopen = fopen ([fileName cstringusingencoding:1], "wb+");

if (FileOpen = = NULL) {

Return

}

Byte *buffer = (byte*) malloc (buffersize);

Nsuinteger read =0, offset = 0;

Nserror *error;

if (size! = 0) {

do {

Read = [represent Getbytes:buffer

Fromoffset:offset

Length:buffersize

error:&error];

fwrite (buffer, sizeof (char), read, fileOpen);

Offset + = read;

} while (read! = 0);

}

Free (buffer);

buffer = NULL;

Fclose (FileOpen);

Fileopen= NULL;

}

Alassetslibrary Getting videos from albums