float rand(float n){return fract(sin(n) * 43758.5453123);}
float noise(float p){
float fl = floor(p);
float fc = fract(p);
return mix(rand(fl), rand(fl + 1.0), fc);
}
depthlove depthlove
depthlove
/ gist:0c67fdc94e3fc947cd05b2ae862daed9
Created
October 11, 2017 17:21
— forked from rnaud/gist:5451319
[GPUImage] - Blend and Tone Curve filters GPUImageFilterGroup subclass
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| #import "GPUImageBlendTone.h" | |
| #import "GPUImage.h" | |
| @implementation GPUImageBlendTone | |
| - (id)init; | |
| { | |
| if (!(self = [super init])) | |
| { |
depthlove
/ GPUImageiOSImageEffect.h
Created
October 11, 2017 17:20
— forked from ahti/GPUImageiOSImageEffect.h
GPUImage iOS 7 Blur Effect Filter
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| #import "GPUImageFilterGroup.h" | |
| @class GPUImageSaturationFilter; | |
| @class GPUImageGaussianBlurFilter; | |
| @class GPUImageSolidColorGenerator; | |
| @class GPUImageAlphaBlendFilter; | |
| typedef enum { | |
| GPUImageIOSImageEffectTypeLight, | |
| GPUImageIOSImageEffectTypeExtraLight, |
depthlove
/ GPUImageLittlePlanetProjectionFilter.h
Created
October 11, 2017 17:18
— forked from suzumura-ss/GPUImageLittlePlanetProjectionFilter.h
`LittlePlanet` projection with GPUImage.framework
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| // | |
| // GPUImageLittlePlanetProjectionFilter.h | |
| // | |
| // Created by Toshiyuki Suzumura on 2013/07/02. | |
| // Copyright (c) 2013 Toshiyuki Suzumura. All rights reserved. | |
| // | |
| #import "GPUImageFilter.h" | |
| @interface GPUImageLittlePlanetProjectionFilter : GPUImageFilter |
depthlove
/ GPUImageMirrorFilter.h
Created
October 11, 2017 17:17
— forked from virasio/GPUImageMirrorFilter.h
Mirror filter for GPUImage
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| // | |
| // GPUImageMirrorFilter.h | |
| // | |
| #import <GPUImage/GPUImageFilter.h> | |
| @interface GPUImageMirrorFilter : GPUImageFilter { | |
| GLint verticalMirrorUniform, horizontalMirrorUniform; | |
| } |
depthlove
/ GPUImageFourInputFilter.h
Created
October 11, 2017 17:16
— forked from johnpaulmanoza/GPUImageFourInputFilter.h
GPUImage Add Four Input Filter
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| #import <GPUImageThreeInputFilter.h> | |
| extern NSString *const kGPUImageFourInputTextureVertexShaderString; | |
| @interface GPUImageFourInputFilter : GPUImageThreeInputFilter | |
| { | |
| GPUImageFramebuffer *fourthInputFramebuffer; | |
| GLint filterFourthTextureCoordinateAttribute; | |
| GLint filterInputTextureUniform4; |
depthlove
/ GLSL-Noise.md
Created
October 4, 2017 11:01
— forked from patriciogonzalezvivo/GLSL-Noise.md
GLSL Noise Algorithms
depthlove
/ FuckingAVFoundation.m
Created
September 19, 2017 02:51
— forked from maximveksler/FuckingAVFoundation.m
Fucking AV Foundation code with audio and video mixing
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| - (void)buildTransitionCompositionAUDIO:(AVMutableComposition *)composition andVideoComposition:(AVMutableVideoComposition *)videoComposition andAudioMix:(AVMutableAudioMix *)audioMix | |
| { | |
| CMTime nextClipStartTime = kCMTimeZero; | |
| // Add two video tracks and two audio tracks. | |
| AVMutableCompositionTrack *compositionVideoTracks[2]; | |
| AVMutableCompositionTrack *compositionAudioTracks[2]; | |
| compositionVideoTracks[0] = [composition addMutableTrackWithMediaType:AVMediaTypeVideo preferredTrackID:kCMPersistentTrackID_Invalid]; | |
| compositionVideoTracks[1] = [composition addMutableTrackWithMediaType:AVMediaTypeVideo preferredTrackID:kCMPersistentTrackID_Invalid]; |
depthlove
/ AVAsset+VideoOrientation.h
Created
September 16, 2017 12:26
— forked from luca-bernardi/AVAsset+VideoOrientation.h
Find the video orientation of an AVAsset. (Useful if you need to send the video to a remote server)
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| // | |
| // AVAsset+VideoOrientation.h | |
| // | |
| // Created by Luca Bernardi on 19/09/12. | |
| // Copyright (c) 2012 Luca Bernardi. All rights reserved. | |
| // | |
| #import <AVFoundation/AVFoundation.h> | |
| typedef enum { | |
| LBVideoOrientationUp, //Device starts recording in Portrait |
depthlove
/ YUV420PGrabber.cpp
Created
September 15, 2016 21:59
— forked from roxlu/YUV420PGrabber.cpp
OpenGL RGB > YUV420P shader/class (doesn't do much more. implementation/usage is up to you)
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| #include <assert.h> | |
| #include <roxlu/core/Utils.h> | |
| #include <roxlu/core/Log.h> | |
| #include "YUV420PGrabber.h" | |
| YUV420PGrabber::YUV420PGrabber() | |
| :y_prog(0) | |
| ,y_vert(0) | |
| ,y_frag(0) | |
| ,uv_prog(0) |
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