iOS bulk capture video screenshot UIImage mp4 iOS video

Source: Internet
Author: User

iOS Batch Capture video

// Generate

NSString *path = [Nshomedirectory () stringbyappendingstring:@ "/documents"];

NSLog (@ "path%@", Path);

for (int i = 0; i<[mitems count]; i++) {

Nsmutabledictionary *info = (nsmutabledictionary *) mitems[i]; Video information

NSString *mediapath;

MediaPath = [[NSBundle mainbundle] pathforresource:[info objectforkey:@ "MediaName"]

Oftype:[info Objectforkey:@ "type"];

UIImage *image = [ self getimage:mediapath];

[UIImageJPEGRepresentation (Image, 1) Writetofile:[path stringbyappendingpathcomponent:[nsstring stringWithFormat:@ "File%d.jpg", I]] atomically:YES];


Gets the screenshot of the video at the specified location

-(UIImage *) GetImage: (nsstring *) videourl{

avurlasset *asset = [[avurlassetalloc] initwithurl: [ Nsurl fileurlwithpath: videourl] options:nil];

avassetimagegenerator *gen = [[avassetimagegeneratoralloc] Initwithasset : asset];

Gen. Appliespreferredtracktransform =YES;

cmtime Time =cmtimemakewithseconds(20.5,  ); Parameters (number of seconds to intercept, how many frames per second of video)

nserror *error = nil;

cmtime actualtime;

cgimageref image = [Gen copycgimageattime: Time actualtime: &actualtime Error:&error];

UIImage *thumb = [[UIImagealloc] initwithcgimage: image];


return thumb;


iOS bulk capture video UIImage mp4 iOS videos

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