hunk.code_window: 	// Delay for some random number of milliseconds before starting to ensure that multiple
   	// instances of the jobserver  don't poll at a time too close to each other.
   	rand.Seed(time.Now().UTC().UnixNano())
   	_ = <-time.After(time.Duration(rand.Intn(WATCHER_POLLING_INTERVAL)) * time.Millisecond)
   	defer func(){
   		l4g.Debug("Watcher Finished")
   		watcher.stopped <- true
   	}()
  
hunk.labels: keep keep keep keep keep replace keep keep keep
hunk.after_edit: 	defer func() {
  
hunk.file_path: jobs/jobs_watcher.go
hunk.type: replace
file: // Copyright 2011 The Go Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style
  // license that can be found in the LICENSE file.
  
  package vp8
  
  // This file implements the inverse Discrete Cosine Transform and the inverse
  // Walsh Hadamard Transform (WHT), as specified in sections 14.3 and 14.4.
  
  func clip8(i int32) uint8 {
  	if i < 0 {
  		return 0
  	}
  	if i > 255 {
  		return 255
  	}
  	return uint8(i)
  }
  
  func (z *Decoder) inverseDCT4(y, x, coeffBase int) {
  	const (
  		c1 = 85627 // 65536 * cos(pi/8) * sqrt(2).
  		c2 = 35468 // 65536 * sin(pi/8) * sqrt(2).
  	)
  	var m [4][4]int32
  	for i := 0; i < 4; i++ {
  		a := int32(z.coeff[coeffBase+0]) + int32(z.coeff[coeffBase+8])
  		b := int32(z.coeff[coeffBase+0]) - int32(z.coeff[coeffBase+8])
  		c := (int32(z.coeff[coeffBase+4])*c2)>>16 - (int32(z.coeff[coeffBase+12])*c1)>>16
  		d := (int32(z.coeff[coeffBase+4])*c1)>>16 + (int32(z.coeff[coeffBase+12])*c2)>>16
  		m[i][0] = a + d
  		m[i][1] = b + c
  		m[i][2] = b - c
  		m[i][3] = a - d
  		coeffBase++
  	}
  	for j := 0; j < 4; j++ {
  		dc := m[0][j] + 4
  		a := dc + m[2][j]
  		b := dc - m[2][j]
  		c := (m[1][j]*c2)>>16 - (m[3][j]*c1)>>16
  		d := (m[1][j]*c1)>>16 + (m[3][j]*c2)>>16
  		z.ybr[y+j][x+0] = clip8(int32(z.ybr[y+j][x+0]) + (a+d)>>3)
  		z.ybr[y+j][x+1] = clip8(int32(z.ybr[y+j][x+1]) + (b+c)>>3)
  		z.ybr[y+j][x+2] = clip8(int32(z.ybr[y+j][x+2]) + (b-c)>>3)
  		z.ybr[y+j][x+3] = clip8(int32(z.ybr[y+j][x+3]) + (a-d)>>3)
  	}
  }
  
  func (z *Decoder) inverseDCT4DCOnly(y, x, coeffBase int) {
  	dc := (int32(z.coeff[coeffBase+0]) + 4) >> 3
  	for j := 0; j < 4; j++ {
  		for i := 0; i < 4; i++ {
  			z.ybr[y+j][x+i] = clip8(int32(z.ybr[y+j][x+i]) + dc)
  		}
  	}
  }
  
  func (z *Decoder) inverseDCT8(y, x, coeffBase int) {
  	z.inverseDCT4(y+0, x+0, coeffBase+0*16)
  	z.inverseDCT4(y+0, x+4, coeffBase+1*16)
  	z.inverseDCT4(y+4, x+0, coeffBase+2*16)
  	z.inverseDCT4(y+4, x+4, coeffBase+3*16)
  }
  
  func (z *Decoder) inverseDCT8DCOnly(y, x, coeffBase int) {
  	z.inverseDCT4DCOnly(y+0, x+0, coeffBase+0*16)
  	z.inverseDCT4DCOnly(y+0, x+4, coeffBase+1*16)
  	z.inverseDCT4DCOnly(y+4, x+0, coeffBase+2*16)
  	z.inverseDCT4DCOnly(y+4, x+4, coeffBase+3*16)
  }
  
  func (d *Decoder) inverseWHT16() {
  	var m [16]int32
  	for i := 0; i < 4; i++ {
  		a0 := int32(d.coeff[384+0+i]) + int32(d.coeff[384+12+i])
  		a1 := int32(d.coeff[384+4+i]) + int32(d.coeff[384+8+i])
  		a2 := int32(d.coeff[384+4+i]) - int32(d.coeff[384+8+i])
  		a3 := int32(d.coeff[384+0+i]) - int32(d.coeff[384+12+i])
  		m[0+i] = a0 + a1
  		m[8+i] = a0 - a1
  		m[4+i] = a3 + a2
  		m[12+i] = a3 - a2
  	}
  	out := 0
  	for i := 0; i < 4; i++ {
  		dc := m[0+i*4] + 3
  		a0 := dc + m[3+i*4]
  		a1 := m[1+i*4] + m[2+i*4]
  		a2 := m[1+i*4] - m[2+i*4]
  		a3 := dc - m[3+i*4]
  		d.coeff[out+0] = int16((a0 + a1) >> 3)
  		d.coeff[out+16] = int16((a3 + a2) >> 3)
  		d.coeff[out+32] = int16((a0 - a1) >> 3)
  		d.coeff[out+48] = int16((a3 - a2) >> 3)
  		out += 64
  	}
  }
  