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add CreateCodecDataBySPSAndPPS

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This commit is contained in:
nareix 2016-04-30 09:34:45 +08:00
parent 2412e77d72
commit 6b554c9c52
1 changed files with 31 additions and 12 deletions
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43
h264parser/parser.go
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@ -3,6 +3,7 @@ package h264parser
import (
"github.com/nareix/bits"
"io"
"fmt"
"bytes"
)
@ -510,51 +511,51 @@ func MakeAVCDecoderConfRecord(
self.LengthSizeMinusOne = 3
return
}
*/
func WriteAVCDecoderConfRecord(w io.Writer, self AVCDecoderConfRecord) (err error) {
if err = WriteInt(w, 1, 1); err != nil {
if err = bits.WriteUIntBE(w, 1, 8); err != nil {
return
}
if err = WriteInt(w, self.AVCProfileIndication, 1); err != nil {
if err = bits.WriteUIntBE(w, uint(self.AVCProfileIndication), 8); err != nil {
return
}
if err = WriteInt(w, self.ProfileCompatibility, 1); err != nil {
if err = bits.WriteUIntBE(w, uint(self.ProfileCompatibility), 8); err != nil {
return
}
if err = WriteInt(w, self.AVCLevelIndication, 1); err != nil {
if err = bits.WriteUIntBE(w, uint(self.AVCLevelIndication), 8); err != nil {
return
}
if err = WriteInt(w, self.LengthSizeMinusOne|0xfc, 1); err != nil {
if err = bits.WriteUIntBE(w, uint(self.LengthSizeMinusOne|0xfc), 8); err != nil {
return
}
if err = WriteInt(w, len(self.SPS)|0xe0, 1); err != nil {
if err = bits.WriteUIntBE(w, uint(len(self.SPS)|0xe0), 8); err != nil {
return
}
for _, data := range self.SPS {
if err = WriteInt(w, len(data), 2); err != nil {
if err = bits.WriteUIntBE(w, uint(len(data)), 16); err != nil {
return
}
if err = WriteBytes(w, data, len(data)); err != nil {
if err = bits.WriteBytes(w, data, len(data)); err != nil {
return
}
}
if err = WriteInt(w, len(self.PPS), 1); err != nil {
if err = bits.WriteUIntBE(w, uint(len(self.PPS)), 8); err != nil {
return
}
for _, data := range self.PPS {
if err = WriteInt(w, len(data), 2); err != nil {
if err = bits.WriteUIntBE(w, uint(len(data)), 16); err != nil {
return
}
if err = WriteBytes(w, data, len(data)); err != nil {
if err = bits.WriteBytes(w, data, len(data)); err != nil {
return
}
}
return
}
*/
type CodecInfo struct {
Record AVCDecoderConfRecord
@ -577,6 +578,24 @@ func ParseCodecData(config []byte) (info CodecInfo, err error) {
return
}
func CreateCodecDataBySPSAndPPS(SPS, PPS []byte) (codecData []byte, err error) {
self := AVCDecoderConfRecord{}
self.AVCProfileIndication = uint(SPS[1])
self.ProfileCompatibility = uint(SPS[2])
self.AVCLevelIndication = uint(SPS[3])
self.SPS = [][]byte{SPS}
self.PPS = [][]byte{PPS}
self.LengthSizeMinusOne = 3
buf := &bytes.Buffer{}
if err = WriteAVCDecoderConfRecord(buf, self); err != nil {
return
}
codecData = buf.Bytes()
return
}
type AVCDecoderConfRecord struct {
AVCProfileIndication uint
ProfileCompatibility uint