IOS cut video footage into a thumbnail _ios

Source: Internet
Author: User
Tags generator

This example for you to share the iOS video clips into thumbnails of specific code, for your reference, the specific content as follows

Remember to import system library

#import < Mediaplayer/mediaplayer.h >

Code:

/** * Access to all thumbnail methods for network video * * @param videourl video link Address * * @return Video screenshot/+ (UIImage *) Ihefe_previewimagewithvideourl: (N

 sURL *) Videourl {avasset *asset = [Avasset Assetwithurl:videourl];
 Avassetimagegenerator *generator = [Avassetimagegenerator assetimagegeneratorwithasset:asset];

 Generator.appliespreferredtracktransform = YES;
 Cgimageref img = [Generator copycgimageattime:cmtimemake (1, Asset.duration.timescale) actualtime:null Error:nil];

 UIImage *image = [UIImage imagewithcgimage:img];
 Cgimagerelease (IMG);
return image; /** * Get all thumbnail methods for local video * * @param fileurl video link Address * * @return Video screenshot/+ (UIImage *) ihefe_getscreenshotimagefromvide
 Ourl: (NSString *) FileURL {uiimage *shotimage;

 Video path URL Nsurl *fileurl = [Nsurl Urlwithstring:fileurl];

 Avurlasset *asset = [[Avurlasset alloc] Initwithurl:fileurl Options:nil];

 Avassetimagegenerator *gen = [[Avassetimagegenerator alloc] initwithasset:asset];

 Gen.appliespreferredtracktransform = YES; Cmtime time = CmtimemaKewithseconds (0.0, 600);

 Nserror *error = nil;

 Cmtime Actualtime;

 Cgimageref image = [Gen Copycgimageattime:time actualtime:&actualtime error:&error];

 Shotimage = [[UIImage alloc] initwithcgimage:image];

 Cgimagerelease (image);
return shotimage; /** * Get a frame thumbnail method of video * * @param videourl video link Address frame time * @param time frame * * @return Video screenshot/+ (uiimage*) Ihefe_thu Mbnailimageforvideo: (Nsurl *) Videourl attime: (nstimeinterval) Time {avurlasset *asset = [[Avurlasset alloc] InitWithURL
 : Videourl Options:nil];
 Nsparameterassert (asset);
 Avassetimagegenerator *assetimagegenerator = [[Avassetimagegenerator alloc] initwithasset:asset];
 Assetimagegenerator.appliespreferredtracktransform = YES;

 Assetimagegenerator.aperturemode = Avassetimagegeneratoraperturemodeencodedpixels;
 Cgimageref thumbnailimageref = NULL;
 Cftimeinterval thumbnailimagetime = time;
 Nserror *thumbnailimagegenerationerror = nil; Thumbnailimageref = [Assetimagegenerator copycgimageattime:cmtimemake (Thumbnailimagetime) Actualtime:null error:&thumbnailimagegenerationerror];

 if (!thumbnailimageref) NSLog (@ "Thumbnailimagegenerationerror%@", thumbnailimagegenerationerror); UIImage *thumbnailimage = thumbnailimageref?

 [[UIImage alloc] initwithcgimage:thumbnailimageref]: nil;
return thumbnailimage;

 }

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