gre

val videoStream: Enumerator[Array[Byte]]
val scaleVideoHalf = CLI.pipe("ffmpeg -i pipe:0 -vf scale=iw/2:-1 -f avi pipe:1")
Ok.stream(videoStream &> scaleVideoHalf).withHeaders(CONTENT_TYPE -> "video/avi")

gre

#ifdef GL_ES
precision highp float;
#endif
uniform vec2 resolution;
uniform float progress;
uniform sampler2D from, to;

void main() {
  vec2 p = gl_FragCoord.xy / resolution.xy;
  gl_FragColor = mix(texture2D(from, p), texture2D(to, p), progress);

gre

#ifdef GL_ES
precision highp float;
#endif
 
// General parameters
uniform sampler2D from;
uniform sampler2D to;
uniform float progress;
uniform vec2 resolution;
 

gre

#ifdef GL_ES
precision highp float;
#endif

// General parameters
uniform sampler2D from;
uniform sampler2D to;
uniform float progress;
uniform vec2 resolution;

gre

#ifdef GL_ES
precision highp float;
#endif

// General parameters
uniform sampler2D from;
uniform sampler2D to;
uniform float progress;
uniform vec2 resolution;

gre

#ifdef GL_ES
precision highp float;
#endif

// General parameters
uniform sampler2D from;
uniform sampler2D to;
uniform float progress;
uniform vec2 resolution;

gre

#ifdef GL_ES
precision highp float;
#endif

// General parameters
uniform sampler2D from;
uniform sampler2D to;
uniform float progress;
uniform vec2 resolution;

gre

#ifdef GL_ES
precision highp float;
#endif

// General parameters
uniform sampler2D from;
uniform sampler2D to;
uniform float progress;
uniform vec2 resolution;

gre

{ "direction": [1, -1], "smoothness": 0.5 }

gre

#ifdef GL_ES
precision highp float;
#endif


// General parameters
uniform sampler2D from;
uniform sampler2D to;
uniform float progress;
uniform vec2 resolution;