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Code refactoring

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This commit is contained in:
Alexey Khit
2023-08-18 15:51:28 +03:00
parent 063a192699
commit 76a00031cd
5 changed files with 24 additions and 17 deletions
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pkg/aac/README.md
+12 -12
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@@ -1,17 +1,17 @@
## AAC-LD and AAC-ELD ## AAC-LD and AAC-ELD
Codec | Rate | QuickTime | ffmpeg | VLC | Codec | Rate | QuickTime | ffmpeg | VLC |
------|------|-----------|--------|---- |---------|-------|-----------|--------|-----|
AAC-LD | 8000 | yes | no | no | AAC-LD | 8000 | yes | no | no |
AAC-LD | 16000 | yes | no | no | AAC-LD | 16000 | yes | no | no |
AAC-LD | 22050 | yes | yes | no | AAC-LD | 22050 | yes | yes | no |
AAC-LD | 24000 | yes | yes | no | AAC-LD | 24000 | yes | yes | no |
AAC-LD | 32000 | yes | yes | no | AAC-LD | 32000 | yes | yes | no |
AAC-ELD | 8000 | yes | no | no | AAC-ELD | 8000 | yes | no | no |
AAC-ELD | 16000 | yes | no | no | AAC-ELD | 16000 | yes | no | no |
AAC-ELD | 22050 | yes | yes | yes | AAC-ELD | 22050 | yes | yes | yes |
AAC-ELD | 24000 | yes | yes | yes | AAC-ELD | 24000 | yes | yes | yes |
AAC-ELD | 32000 | yes | yes | yes | AAC-ELD | 32000 | yes | yes | yes |
## Useful links ## Useful links
pkg/core/helpers.go
-3
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@@ -6,8 +6,6 @@ import (
"strconv" "strconv"
"strings" "strings"
"time" "time"
"github.com/rs/zerolog/log"
) )
const ( const (
@@ -77,7 +75,6 @@ func Assert(ok bool) {
} }
func Caller() string { func Caller() string {
log.Error().Caller(0).Send()
_, file, line, _ := runtime.Caller(1) _, file, line, _ := runtime.Caller(1)
return file + ":" + strconv.Itoa(line) return file + ":" + strconv.Itoa(line)
} }
pkg/core/track.go
+7
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@@ -10,6 +10,13 @@ import (
"github.com/pion/rtp" "github.com/pion/rtp"
) )
type Packet struct {
PayloadType uint8
Sequence uint16
Timestamp uint32
Payload []byte
}
var ErrCantGetTrack = errors.New("can't get track") var ErrCantGetTrack = errors.New("can't get track")
type Receiver struct { type Receiver struct {
pkg/mpegts/checksum.go
+4 -1
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@@ -1,5 +1,7 @@
package mpegts package mpegts
// have to create this table manually because it is in another endian
// https://github.com/arturvt/TSreader/blob/master/src/br/ufpe/cin/tool/mpegts/CRC32.java
var table = [256]uint32{ var table = [256]uint32{
0x00000000, 0xB71DC104, 0x6E3B8209, 0xD926430D, 0xDC760413, 0x6B6BC517, 0x00000000, 0xB71DC104, 0x6E3B8209, 0xD926430D, 0xDC760413, 0x6B6BC517,
0xB24D861A, 0x0550471E, 0xB8ED0826, 0x0FF0C922, 0xD6D68A2F, 0x61CB4B2B, 0xB24D861A, 0x0550471E, 0xB8ED0826, 0x0FF0C922, 0xD6D68A2F, 0x61CB4B2B,
@@ -46,7 +48,8 @@ var table = [256]uint32{
0x6D66B4BC, 0xDA7B75B8, 0x035D36B5, 0xB440F7B1, 0x6D66B4BC, 0xDA7B75B8, 0x035D36B5, 0xB440F7B1,
} }
func calcCRC32(crc uint32, data []byte) uint32 { func checksum(data []byte) uint32 {
crc := uint32(0xFFFFFFFF)
for _, b := range data { for _, b := range data {
crc = table[b^byte(crc)] ^ (crc >> 8) crc = table[b^byte(crc)] ^ (crc >> 8)
} }
pkg/mpegts/writer.go
+1 -1
View File
@@ -44,7 +44,7 @@ func (w *Writer) MarkChecksum() {
} }
func (w *Writer) WriteChecksum() { func (w *Writer) WriteChecksum() {
crc := calcCRC32(0xFFFFFFFF, w.b[w.m:]) crc := checksum(w.b[w.m:])
w.b = append(w.b, byte(crc), byte(crc>>8), byte(crc>>16), byte(crc>>24)) w.b = append(w.b, byte(crc), byte(crc>>8), byte(crc>>16), byte(crc>>24))
} }