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authorBiSaXa <1669855+BiSaXa@users.noreply.github.com>2022-08-27 18:53:13 +0300
committerBiSaXa <1669855+BiSaXa@users.noreply.github.com>2022-08-27 18:53:13 +0300
commit0a3082bd167b2caa1d4a54b62d72e8be13ff43b0 (patch)
treea5d1c167da7015ccef4d9c3c5677e01f664850ba /utils
parentsupport for multiple demos in a folder as an argument (diff)
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some stuff before i realized i need my own bitreader library
Diffstat (limited to 'utils')
-rw-r--r--utils/utils.go31
1 files changed, 21 insertions, 10 deletions
diff --git a/utils/utils.go b/utils/utils.go
index 62924c2..77e87af 100644
--- a/utils/utils.go
+++ b/utils/utils.go
@@ -6,8 +6,6 @@ import (
6 "math" 6 "math"
7 "os" 7 "os"
8 "unsafe" 8 "unsafe"
9
10 "github.com/potterxu/bitreader"
11) 9)
12 10
13func ReadByteFromFile(file *os.File, size int32) []byte { 11func ReadByteFromFile(file *os.File, size int32) []byte {
@@ -22,15 +20,28 @@ func CheckError(e error) {
22 } 20 }
23} 21}
24 22
25func CheckFirstBit(byteArr []byte) bool { 23/*
26 reader := bitreader.BitReader(byteArr) 24github.com/32bitkid/bitreader
27 state, err := reader.ReadBit()
28 if err != nil {
29 state = false
30 }
31 return state
32}
33 25
26 func ReadBitsWithFirstBitCheckFromFile(file *os.File) (byteArr []byte, err error) {
27 arr := make([]byte, 4)
28 reader := bitreader.NewReader(file)
29 n := 0
30 state, err := reader.Read1()
31 if err != nil || state == true {
32 return nil, fmt.Errorf("ERR or VAL in BIT CHECK")
33 }
34 n += 1
35 if n == 0 {
36 val, err := reader.Read32(32)
37 if err != nil {
38 return nil, fmt.Errorf("ERR or VAL in BIT CHECK")
39 }
40 binary.LittleEndian.PutUint32(arr, val)
41 }
42 return arr, nil
43 }
44*/
34func IntFromBytes(byteArr []byte) uint32 { 45func IntFromBytes(byteArr []byte) uint32 {
35 int := binary.LittleEndian.Uint32(byteArr) 46 int := binary.LittleEndian.Uint32(byteArr)
36 return int 47 return int