mirror of
https://github.com/AlexxIT/go2rtc.git
synced 2026-04-22 15:47:06 +08:00
Rewrite AnnexB/AVCC parsers
This commit is contained in:
@@ -82,6 +82,13 @@ func (r *Reader) ReadBits16(n byte) (res uint16) {
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return
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}
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func (r *Reader) ReadBits64(n byte) (res uint64) {
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for i := n - 1; i != 255; i-- {
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res |= uint64(r.ReadBit()) << i
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}
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return
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}
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// ReadUEGolomb - ReadExponentialGolomb (unsigned)
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func (r *Reader) ReadUEGolomb() uint32 {
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var size byte
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@@ -17,7 +17,7 @@ import (
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"time"
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"github.com/AlexxIT/go2rtc/pkg/core"
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"github.com/AlexxIT/go2rtc/pkg/h264"
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"github.com/AlexxIT/go2rtc/pkg/h264/annexb"
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"github.com/AlexxIT/go2rtc/pkg/tcp"
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"github.com/pion/rtp"
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)
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@@ -226,7 +226,7 @@ func (c *Client) Handle() error {
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Header: rtp.Header{
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Timestamp: core.Now90000(),
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},
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Payload: h264.AnnexB2AVC(b[6:]),
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Payload: annexb.EncodeToAVCC(b[6:], false),
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}
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c.videoTrack.WriteRTP(pkt)
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} else {
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+8
-6
@@ -8,14 +8,16 @@ import (
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"encoding/json"
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"errors"
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"fmt"
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"github.com/AlexxIT/go2rtc/pkg/core"
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"github.com/AlexxIT/go2rtc/pkg/h264"
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"github.com/AlexxIT/go2rtc/pkg/h265"
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"github.com/pion/rtp"
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"io"
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"net"
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"net/url"
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"time"
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"github.com/AlexxIT/go2rtc/pkg/core"
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"github.com/AlexxIT/go2rtc/pkg/h264"
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"github.com/AlexxIT/go2rtc/pkg/h264/annexb"
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"github.com/AlexxIT/go2rtc/pkg/h265"
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"github.com/pion/rtp"
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)
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type Client struct {
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@@ -173,7 +175,7 @@ func (c *Client) Handle() error {
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switch dataType {
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case 0x1FC, 0x1FE: // video IFrame
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payload := h264.AnnexB2AVC(b[16:])
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payload := annexb.EncodeToAVCC(b[16:], false)
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if c.videoTrack == nil {
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fps := b[5]
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@@ -208,7 +210,7 @@ func (c *Client) Handle() error {
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packet := &rtp.Packet{
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Header: rtp.Header{Timestamp: c.videoTS},
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Payload: h264.AnnexB2AVC(b[8:]),
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Payload: annexb.EncodeToAVCC(b[8:], false),
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}
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//log.Printf("[DVR] %v, len: %d, ts: %10d", h265.Types(packet.Payload), len(packet.Payload), packet.Timestamp)
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+2
-2
@@ -7,7 +7,7 @@ import (
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"github.com/AlexxIT/go2rtc/pkg/aac"
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"github.com/AlexxIT/go2rtc/pkg/core"
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"github.com/AlexxIT/go2rtc/pkg/h264/avc"
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"github.com/AlexxIT/go2rtc/pkg/h264"
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"github.com/pion/rtp"
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)
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@@ -101,7 +101,7 @@ func (c *Client) Describe() error {
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continue
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}
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codec := avc.ConfigToCodec(b[5:])
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codec := h264.ConfigToCodec(b[5:])
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media := &core.Media{
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Kind: core.KindVideo,
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Direction: core.DirectionRecvonly,
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@@ -13,3 +13,4 @@ Payloader code taken from [pion](https://github.com/pion/rtp) library. And chang
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- [AVC profiles table](https://developer.mozilla.org/ru/docs/Web/Media/Formats/codecs_parameter)
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- [Supported Media for Google Cast](https://developers.google.com/cast/docs/media)
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- [Two stream formats, Annex-B, AVCC (H.264) and HVCC (H.265)](https://www.programmersought.com/article/3901815022/)
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- https://docs.aws.amazon.com/kinesisvideostreams/latest/dg/producer-reference-nal.html
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@@ -0,0 +1,129 @@
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// Package annexb - universal for H264 and H265
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package annexb
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import (
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"bytes"
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"encoding/binary"
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)
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const StartCode = "\x00\x00\x00\x01"
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const startAUD = StartCode + "\x09\xF0" + StartCode
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// EncodeToAVCC
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// will change original slice data!
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// safeAppend should be used if original slice has useful data after end (part of other slice)
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//
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// FFmpeg MPEG-TS: 00000001 AUD 00000001 SPS 00000001 PPS 000001 IFrame
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// FFmpeg H264: 00000001 SPS 00000001 PPS 000001 IFrame 00000001 PFrame
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func EncodeToAVCC(b []byte, safeAppend bool) []byte {
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const minSize = len(StartCode) + 1
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// 1. Check frist "start code"
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if len(b) < len(startAUD) || string(b[:len(StartCode)]) != StartCode {
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return nil
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}
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// 2. Skip Access unit delimiter (AUD) from FFmpeg
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if string(b[:len(startAUD)]) == startAUD {
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b = b[6:]
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}
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var start int
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for i, n := minSize, len(b)-minSize; i < n; {
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// 3. Check "start code" (first 2 bytes)
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if b[i] != 0 || b[i+1] != 0 {
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i++
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continue
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}
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// 4. Check "start code" (3 bytes size or 4 bytes size)
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if b[i+2] == 1 {
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if safeAppend {
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// protect original slice from "damage"
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b = bytes.Clone(b)
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safeAppend = false
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}
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// convert start code from 3 bytes to 4 bytes
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b = append(b, 0)
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copy(b[i+1:], b[i:])
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n++
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} else if b[i+2] != 0 || b[i+3] != 1 {
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i++
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continue
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}
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// 5. Set size for previous AU
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size := uint32(i - start - len(StartCode))
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binary.BigEndian.PutUint32(b[start:], size)
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start = i
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i += minSize
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}
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// 6. Set size for last AU
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size := uint32(len(b) - start - len(StartCode))
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binary.BigEndian.PutUint32(b[start:], size)
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return b
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}
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func DecodeAVCC(b []byte) []byte {
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b = bytes.Clone(b)
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for i := 0; i < len(b); {
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size := int(binary.BigEndian.Uint32(b[i:]))
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b[i] = 0
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b[i+1] = 0
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b[i+2] = 0
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b[i+3] = 1
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i += 4 + size
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}
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return b
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}
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const (
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h264PFrame = 1
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h264IFrame = 5
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h264SPS = 7
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h264PPS = 8
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h265VPS = 32
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h265PFrame = 1
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)
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// IndexFrame - get new frame start position in the AnnexB stream
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func IndexFrame(b []byte) int {
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if len(b) < len(startAUD) {
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return -1
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}
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for i := len(startAUD); ; {
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if di := bytes.Index(b[i:], []byte(StartCode)); di < 0 {
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break
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} else {
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i += di + 4 // move to NALU start
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}
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if i >= len(b) {
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break
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}
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h264Type := b[i] & 0b1_1111
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switch h264Type {
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case h264PFrame, h264SPS:
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return i - 4 // move to start code
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case h264IFrame, h264PPS:
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continue
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}
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h265Type := (b[i] >> 1) & 0b11_1111
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switch h265Type {
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case h265PFrame, h265VPS:
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return i - 4 // move to start code
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}
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}
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return -1
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}
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+1
-102
@@ -3,46 +3,12 @@ package h264
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import (
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"bytes"
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"encoding/binary"
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"github.com/AlexxIT/go2rtc/pkg/core"
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"github.com/pion/rtp"
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)
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func AnnexB2AVC(b []byte) []byte {
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for i := 0; i < len(b); {
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if i+4 >= len(b) {
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break
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}
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size := bytes.Index(b[i+4:], []byte{0, 0, 0, 1})
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if size < 0 {
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size = len(b) - (i + 4)
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}
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binary.BigEndian.PutUint32(b[i:], uint32(size))
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i += size + 4
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}
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return b
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}
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func AVCtoAnnexB(b []byte) []byte {
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b = bytes.Clone(b)
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for i := 0; i < len(b); {
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size := int(binary.BigEndian.Uint32(b[i:]))
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b[i] = 0
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b[i+1] = 0
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b[i+2] = 0
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b[i+3] = 1
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i += 4 + size
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}
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return b
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}
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const forbiddenZeroBit = 0x80
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const nalUnitType = 0x1F
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// DecodeStream - find and return first AU in AVC format
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// Deprecated: DecodeStream - find and return first AU in AVC format
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// useful for processing live streams with unknown separator size
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func DecodeStream(annexb []byte) ([]byte, int) {
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startPos := -1
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@@ -154,70 +120,3 @@ func IndexFrom(b []byte, sep []byte, from int) int {
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return bytes.Index(b, sep)
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}
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func EncodeAVC(nals ...[]byte) (avc []byte) {
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var i, n int
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for _, nal := range nals {
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if i = len(nal); i > 0 {
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n += 4 + i
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}
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}
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avc = make([]byte, n)
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n = 0
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for _, nal := range nals {
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if i = len(nal); i > 0 {
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binary.BigEndian.PutUint32(avc[n:], uint32(i))
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n += 4 + copy(avc[n+4:], nal)
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}
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}
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return
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}
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func RepairAVC(codec *core.Codec, handler core.HandlerFunc) core.HandlerFunc {
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sps, pps := GetParameterSet(codec.FmtpLine)
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ps := EncodeAVC(sps, pps)
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return func(packet *rtp.Packet) {
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if NALUType(packet.Payload) == NALUTypeIFrame {
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packet.Payload = Join(ps, packet.Payload)
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}
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handler(packet)
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}
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}
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func SplitAVC(data []byte) [][]byte {
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var nals [][]byte
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for {
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// get AVC length
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size := int(binary.BigEndian.Uint32(data)) + 4
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// check if multiple items in one packet
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if size < len(data) {
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nals = append(nals, data[:size])
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data = data[size:]
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} else {
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nals = append(nals, data)
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break
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}
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}
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return nals
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}
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func Types(data []byte) []byte {
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var types []byte
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for {
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types = append(types, NALUType(data))
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size := 4 + int(binary.BigEndian.Uint32(data))
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if size < len(data) {
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data = data[size:]
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} else {
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break
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}
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}
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return types
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}
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@@ -1,22 +0,0 @@
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package avc
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import (
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"encoding/hex"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestDecodeConfig(t *testing.T) {
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s := "01640033ffe1000c67640033ac1514a02800f19001000468ee3cb0"
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src, err := hex.DecodeString(s)
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require.Nil(t, err)
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profile, sps, pps := DecodeConfig(src)
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require.NotNil(t, profile)
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require.NotNil(t, sps)
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require.NotNil(t, pps)
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dst := EncodeConfig(sps, pps)
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require.Equal(t, src, dst)
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}
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@@ -0,0 +1,111 @@
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// Package h264 - AVCC format related functions
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package h264
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import (
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"bytes"
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"encoding/base64"
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"encoding/binary"
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"encoding/hex"
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"github.com/AlexxIT/go2rtc/pkg/core"
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"github.com/pion/rtp"
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)
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func RepairAVCC(codec *core.Codec, handler core.HandlerFunc) core.HandlerFunc {
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sps, pps := GetParameterSet(codec.FmtpLine)
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ps := JoinNALU(sps, pps)
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return func(packet *rtp.Packet) {
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if NALUType(packet.Payload) == NALUTypeIFrame {
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packet.Payload = Join(ps, packet.Payload)
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}
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handler(packet)
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}
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}
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func JoinNALU(nalus ...[]byte) (avcc []byte) {
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var i, n int
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|
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for _, nalu := range nalus {
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if i = len(nalu); i > 0 {
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n += 4 + i
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}
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}
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avcc = make([]byte, n)
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|
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n = 0
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for _, nal := range nalus {
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if i = len(nal); i > 0 {
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binary.BigEndian.PutUint32(avcc[n:], uint32(i))
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n += 4 + copy(avcc[n+4:], nal)
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}
|
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}
|
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|
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return
|
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}
|
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|
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func SplitNALU(avcc []byte) [][]byte {
|
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var nals [][]byte
|
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for {
|
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// get AVC length
|
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size := int(binary.BigEndian.Uint32(avcc)) + 4
|
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|
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// check if multiple items in one packet
|
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if size < len(avcc) {
|
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nals = append(nals, avcc[:size])
|
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avcc = avcc[size:]
|
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} else {
|
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nals = append(nals, avcc)
|
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break
|
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}
|
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}
|
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return nals
|
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}
|
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|
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func NALUTypes(avcc []byte) []byte {
|
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var types []byte
|
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for {
|
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types = append(types, NALUType(avcc))
|
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|
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size := 4 + int(binary.BigEndian.Uint32(avcc))
|
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if size < len(avcc) {
|
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avcc = avcc[size:]
|
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} else {
|
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break
|
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}
|
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}
|
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return types
|
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}
|
||||
|
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func AVCCToCodec(avcc []byte) *core.Codec {
|
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buf := bytes.NewBufferString("packetization-mode=1")
|
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|
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for {
|
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size := 4 + int(binary.BigEndian.Uint32(avcc))
|
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|
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switch NALUType(avcc) {
|
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case NALUTypeSPS:
|
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buf.WriteString(";profile-level-id=")
|
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buf.WriteString(hex.EncodeToString(avcc[5:8]))
|
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buf.WriteString(";sprop-parameter-sets=")
|
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buf.WriteString(base64.StdEncoding.EncodeToString(avcc[4:size]))
|
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case NALUTypePPS:
|
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buf.WriteString(",")
|
||||
buf.WriteString(base64.StdEncoding.EncodeToString(avcc[4:size]))
|
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}
|
||||
|
||||
if size < len(avcc) {
|
||||
avcc = avcc[size:]
|
||||
} else {
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
return &core.Codec{
|
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Name: core.CodecH264,
|
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ClockRate: 90000,
|
||||
FmtpLine: buf.String(),
|
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PayloadType: core.PayloadTypeRAW,
|
||||
}
|
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}
|
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@@ -1,12 +1,27 @@
|
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package avc
|
||||
package h264
|
||||
|
||||
import (
|
||||
"encoding/base64"
|
||||
"encoding/hex"
|
||||
"testing"
|
||||
|
||||
"github.com/stretchr/testify/require"
|
||||
)
|
||||
|
||||
func TestDecodeConfig(t *testing.T) {
|
||||
s := "01640033ffe1000c67640033ac1514a02800f19001000468ee3cb0"
|
||||
src, err := hex.DecodeString(s)
|
||||
require.Nil(t, err)
|
||||
|
||||
profile, sps, pps := DecodeConfig(src)
|
||||
require.NotNil(t, profile)
|
||||
require.NotNil(t, sps)
|
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require.NotNil(t, pps)
|
||||
|
||||
dst := EncodeConfig(sps, pps)
|
||||
require.Equal(t, src, dst)
|
||||
}
|
||||
|
||||
func TestDecodeSPS(t *testing.T) {
|
||||
s := "Z0IAMukAUAHjQgAAB9IAAOqcCAA=" // Amcrest AD410
|
||||
b, err := base64.StdEncoding.DecodeString(s)
|
||||
@@ -14,7 +29,7 @@ func TestDecodeSPS(t *testing.T) {
|
||||
|
||||
sps := DecodeSPS(b)
|
||||
require.Equal(t, uint16(2560), sps.Width())
|
||||
require.Equal(t, uint16(1920), sps.Heigth())
|
||||
require.Equal(t, uint16(1920), sps.Height())
|
||||
|
||||
s = "R00AKZmgHgCJ+WEAAAMD6AAATiCE" // Sonoff
|
||||
b, err = base64.StdEncoding.DecodeString(s)
|
||||
@@ -22,5 +37,5 @@ func TestDecodeSPS(t *testing.T) {
|
||||
|
||||
sps = DecodeSPS(b)
|
||||
require.Equal(t, uint16(1920), sps.Width())
|
||||
require.Equal(t, uint16(1080), sps.Heigth())
|
||||
require.Equal(t, uint16(1080), sps.Height())
|
||||
}
|
||||
@@ -1,4 +1,5 @@
|
||||
package avc
|
||||
// Package h264 - MPEG4 format related functions
|
||||
package h264
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
@@ -9,6 +10,7 @@ import (
|
||||
"github.com/AlexxIT/go2rtc/pkg/core"
|
||||
)
|
||||
|
||||
// DecodeConfig - extract profile, SPS and PPS from MPEG4 config
|
||||
func DecodeConfig(conf []byte) (profile []byte, sps []byte, pps []byte) {
|
||||
if len(conf) < 6 || conf[0] != 1 {
|
||||
return
|
||||
+4
-2
@@ -2,7 +2,9 @@ package h264
|
||||
|
||||
import (
|
||||
"encoding/binary"
|
||||
|
||||
"github.com/AlexxIT/go2rtc/pkg/core"
|
||||
"github.com/AlexxIT/go2rtc/pkg/h264/annexb"
|
||||
"github.com/pion/rtp"
|
||||
"github.com/pion/rtp/codecs"
|
||||
)
|
||||
@@ -15,7 +17,7 @@ func RTPDepay(codec *core.Codec, handler core.HandlerFunc) core.HandlerFunc {
|
||||
depack := &codecs.H264Packet{IsAVC: true}
|
||||
|
||||
sps, pps := GetParameterSet(codec.FmtpLine)
|
||||
ps := EncodeAVC(sps, pps)
|
||||
ps := JoinNALU(sps, pps)
|
||||
|
||||
buf := make([]byte, 0, 512*1024) // 512K
|
||||
|
||||
@@ -81,7 +83,7 @@ func RTPDepay(codec *core.Codec, handler core.HandlerFunc) core.HandlerFunc {
|
||||
// some Chinese buggy cameras has single packet with SPS+PPS+IFrame separated by 00 00 00 01
|
||||
// https://github.com/AlexxIT/WebRTC/issues/391
|
||||
// https://github.com/AlexxIT/WebRTC/issues/392
|
||||
AnnexB2AVC(payload)
|
||||
payload = annexb.EncodeToAVCC(payload, false)
|
||||
}
|
||||
|
||||
//log.Printf("[AVC] %v, len: %d, ts: %10d, seq: %d", Types(payload), len(payload), packet.Timestamp, packet.SequenceNumber)
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
package avc
|
||||
package h264
|
||||
|
||||
import "github.com/AlexxIT/go2rtc/pkg/bits"
|
||||
|
||||
@@ -49,11 +49,26 @@ type SPS struct {
|
||||
sar_height uint32
|
||||
}
|
||||
|
||||
func (s *SPS) Width() uint16 {
|
||||
width := 16 * (s.pic_width_in_mbs_minus_1 + 1)
|
||||
crop := 2 * (s.frame_crop_left_offset + s.frame_crop_right_offset)
|
||||
return uint16(width - crop)
|
||||
}
|
||||
|
||||
func (s *SPS) Height() uint16 {
|
||||
height := 16 * (s.pic_height_in_map_units_minus_1 + 1)
|
||||
crop := 2 * (s.frame_crop_top_offset + s.frame_crop_bottom_offset)
|
||||
if s.frame_mbs_only_flag == 0 {
|
||||
height *= 2
|
||||
}
|
||||
return uint16(height - crop)
|
||||
}
|
||||
|
||||
func DecodeSPS(sps []byte) *SPS {
|
||||
r := bits.NewReader(sps)
|
||||
|
||||
hdr := r.ReadByte()
|
||||
if hdr&0x1F != 7 {
|
||||
if hdr&0x1F != NALUTypeSPS {
|
||||
return nil
|
||||
}
|
||||
|
||||
@@ -147,18 +162,3 @@ func DecodeSPS(sps []byte) *SPS {
|
||||
|
||||
return s
|
||||
}
|
||||
|
||||
func (s *SPS) Width() uint16 {
|
||||
width := 16 * (s.pic_width_in_mbs_minus_1 + 1)
|
||||
crop := 2 * (s.frame_crop_left_offset + s.frame_crop_right_offset)
|
||||
return uint16(width - crop)
|
||||
}
|
||||
|
||||
func (s *SPS) Heigth() uint16 {
|
||||
height := 16 * (s.pic_height_in_map_units_minus_1 + 1)
|
||||
crop := 2 * (s.frame_crop_top_offset + s.frame_crop_bottom_offset)
|
||||
if s.frame_mbs_only_flag == 0 {
|
||||
height *= 2
|
||||
}
|
||||
return uint16(height - crop)
|
||||
}
|
||||
+1
-1
@@ -5,7 +5,7 @@ import "github.com/AlexxIT/go2rtc/pkg/h264"
|
||||
const forbiddenZeroBit = 0x80
|
||||
const nalUnitType = 0x3F
|
||||
|
||||
// DecodeStream - find and return first AU in AVC format
|
||||
// Deprecated: DecodeStream - find and return first AU in AVC format
|
||||
// useful for processing live streams with unknown separator size
|
||||
func DecodeStream(annexb []byte) ([]byte, int) {
|
||||
startPos := -1
|
||||
|
||||
@@ -0,0 +1,43 @@
|
||||
// Package h265 - AVCC format related functions
|
||||
package h265
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"encoding/base64"
|
||||
"encoding/binary"
|
||||
|
||||
"github.com/AlexxIT/go2rtc/pkg/core"
|
||||
)
|
||||
|
||||
func AVCCToCodec(avcc []byte) *core.Codec {
|
||||
buf := bytes.NewBufferString("profile-id=1")
|
||||
|
||||
for {
|
||||
size := 4 + int(binary.BigEndian.Uint32(avcc))
|
||||
|
||||
switch NALUType(avcc) {
|
||||
case NALUTypeVPS:
|
||||
buf.WriteString(";sprop-vps=")
|
||||
buf.WriteString(base64.StdEncoding.EncodeToString(avcc[4:size]))
|
||||
case NALUTypeSPS:
|
||||
buf.WriteString(";sprop-sps=")
|
||||
buf.WriteString(base64.StdEncoding.EncodeToString(avcc[4:size]))
|
||||
case NALUTypePPS:
|
||||
buf.WriteString(";sprop-pps=")
|
||||
buf.WriteString(base64.StdEncoding.EncodeToString(avcc[4:size]))
|
||||
}
|
||||
|
||||
if size < len(avcc) {
|
||||
avcc = avcc[size:]
|
||||
} else {
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
return &core.Codec{
|
||||
Name: core.CodecH265,
|
||||
ClockRate: 90000,
|
||||
FmtpLine: buf.String(),
|
||||
PayloadType: core.PayloadTypeRAW,
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,19 @@
|
||||
package h265
|
||||
|
||||
import (
|
||||
"encoding/base64"
|
||||
"testing"
|
||||
|
||||
"github.com/stretchr/testify/require"
|
||||
)
|
||||
|
||||
func TestDecodeSPS(t *testing.T) {
|
||||
s := "QgEBAWAAAAMAAAMAAAMAAAMAmaAAoAgBaH+KrTuiS7/8AAQABbAgApMuADN/mAE="
|
||||
b, err := base64.StdEncoding.DecodeString(s)
|
||||
require.Nil(t, err)
|
||||
|
||||
sps := DecodeSPS(b)
|
||||
require.NotNil(t, sps)
|
||||
require.Equal(t, uint16(5120), sps.Width())
|
||||
require.Equal(t, uint16(1440), sps.Height())
|
||||
}
|
||||
@@ -1,4 +1,5 @@
|
||||
package hvc
|
||||
// Package h265 - MPEG4 format related functions
|
||||
package h265
|
||||
|
||||
import "encoding/binary"
|
||||
|
||||
+126
@@ -0,0 +1,126 @@
|
||||
package h265
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
|
||||
"github.com/AlexxIT/go2rtc/pkg/bits"
|
||||
)
|
||||
|
||||
// http://www.itu.int/rec/T-REC-H.265
|
||||
|
||||
//goland:noinspection GoSnakeCaseUsage
|
||||
type SPS struct {
|
||||
sps_video_parameter_set_id uint8
|
||||
sps_max_sub_layers_minus1 uint8
|
||||
sps_temporal_id_nesting_flag byte
|
||||
|
||||
general_profile_space uint8
|
||||
general_tier_flag byte
|
||||
general_profile_idc uint8
|
||||
general_profile_compatibility_flags uint32
|
||||
|
||||
general_level_idc uint8
|
||||
sub_layer_profile_present_flag []byte
|
||||
sub_layer_level_present_flag []byte
|
||||
|
||||
sps_seq_parameter_set_id uint32
|
||||
chroma_format_idc uint32
|
||||
separate_colour_plane_flag byte
|
||||
|
||||
pic_width_in_luma_samples uint32
|
||||
pic_height_in_luma_samples uint32
|
||||
}
|
||||
|
||||
func (s *SPS) Width() uint16 {
|
||||
return uint16(s.pic_width_in_luma_samples)
|
||||
}
|
||||
|
||||
func (s *SPS) Height() uint16 {
|
||||
return uint16(s.pic_height_in_luma_samples)
|
||||
}
|
||||
|
||||
func DecodeSPS(nalu []byte) *SPS {
|
||||
rbsp := bytes.ReplaceAll(nalu[2:], []byte{0, 0, 3}, []byte{0, 0})
|
||||
|
||||
r := bits.NewReader(rbsp)
|
||||
s := &SPS{}
|
||||
|
||||
s.sps_video_parameter_set_id = r.ReadBits8(4)
|
||||
s.sps_max_sub_layers_minus1 = r.ReadBits8(3)
|
||||
s.sps_temporal_id_nesting_flag = r.ReadBit()
|
||||
|
||||
if !s.profile_tier_level(r) {
|
||||
return nil
|
||||
}
|
||||
|
||||
s.sps_seq_parameter_set_id = r.ReadUEGolomb()
|
||||
s.chroma_format_idc = r.ReadUEGolomb()
|
||||
if s.chroma_format_idc == 3 {
|
||||
s.separate_colour_plane_flag = r.ReadBit()
|
||||
}
|
||||
|
||||
s.pic_width_in_luma_samples = r.ReadUEGolomb()
|
||||
s.pic_height_in_luma_samples = r.ReadUEGolomb()
|
||||
|
||||
//...
|
||||
|
||||
if r.EOF {
|
||||
return nil
|
||||
}
|
||||
|
||||
return s
|
||||
}
|
||||
|
||||
// profile_tier_level supports ONLY general_profile_idc == 1
|
||||
// over variants very complicated...
|
||||
//
|
||||
//goland:noinspection GoSnakeCaseUsage
|
||||
func (s *SPS) profile_tier_level(r *bits.Reader) bool {
|
||||
s.general_profile_space = r.ReadBits8(2)
|
||||
s.general_tier_flag = r.ReadBit()
|
||||
s.general_profile_idc = r.ReadBits8(5)
|
||||
|
||||
s.general_profile_compatibility_flags = r.ReadBits(32)
|
||||
_ = r.ReadBits64(48) // other flags
|
||||
|
||||
if s.general_profile_idc != 1 {
|
||||
return false
|
||||
}
|
||||
|
||||
s.general_level_idc = r.ReadBits8(8)
|
||||
|
||||
s.sub_layer_profile_present_flag = make([]byte, s.sps_max_sub_layers_minus1)
|
||||
s.sub_layer_level_present_flag = make([]byte, s.sps_max_sub_layers_minus1)
|
||||
|
||||
for i := byte(0); i < s.sps_max_sub_layers_minus1; i++ {
|
||||
s.sub_layer_profile_present_flag[i] = r.ReadBit()
|
||||
s.sub_layer_level_present_flag[i] = r.ReadBit()
|
||||
}
|
||||
|
||||
if s.sps_max_sub_layers_minus1 > 0 {
|
||||
for i := s.sps_max_sub_layers_minus1; i < 8; i++ {
|
||||
_ = r.ReadBits8(2) // reserved_zero_2bits
|
||||
}
|
||||
}
|
||||
|
||||
for i := byte(0); i < s.sps_max_sub_layers_minus1; i++ {
|
||||
if s.sub_layer_profile_present_flag[i] != 0 {
|
||||
_ = r.ReadBits8(2) // sub_layer_profile_space
|
||||
_ = r.ReadBit() // sub_layer_tier_flag
|
||||
sub_layer_profile_idc := r.ReadBits8(5) // sub_layer_profile_idc
|
||||
|
||||
_ = r.ReadBits(32) // sub_layer_profile_compatibility_flag
|
||||
_ = r.ReadBits64(48) // other flags
|
||||
|
||||
if sub_layer_profile_idc != 1 {
|
||||
return false
|
||||
}
|
||||
}
|
||||
|
||||
if s.sub_layer_level_present_flag[i] != 0 {
|
||||
_ = r.ReadBits8(8)
|
||||
}
|
||||
}
|
||||
|
||||
return true
|
||||
}
|
||||
@@ -12,7 +12,7 @@ import (
|
||||
"time"
|
||||
|
||||
"github.com/AlexxIT/go2rtc/pkg/core"
|
||||
"github.com/AlexxIT/go2rtc/pkg/h264/avc"
|
||||
"github.com/AlexxIT/go2rtc/pkg/h264"
|
||||
"github.com/AlexxIT/go2rtc/pkg/iso"
|
||||
"github.com/gorilla/websocket"
|
||||
"github.com/pion/rtp"
|
||||
@@ -205,7 +205,7 @@ func (c *Client) getTracks() error {
|
||||
avccLen := binary.BigEndian.Uint32(msg.Data[i:])
|
||||
data = msg.Data[i+8 : i+int(avccLen)]
|
||||
|
||||
codec := avc.ConfigToCodec(data)
|
||||
codec := h264.ConfigToCodec(data)
|
||||
|
||||
media := &core.Media{
|
||||
Kind: core.KindVideo,
|
||||
|
||||
@@ -3,6 +3,7 @@ package magic
|
||||
import (
|
||||
"github.com/AlexxIT/go2rtc/pkg/core"
|
||||
"github.com/AlexxIT/go2rtc/pkg/h264"
|
||||
"github.com/AlexxIT/go2rtc/pkg/h264/annexb"
|
||||
"github.com/AlexxIT/go2rtc/pkg/h265"
|
||||
"github.com/AlexxIT/go2rtc/pkg/mjpeg"
|
||||
"github.com/pion/rtp"
|
||||
@@ -42,7 +43,7 @@ func (k *Keyframe) AddTrack(media *core.Media, _ *core.Codec, track *core.Receiv
|
||||
if !h264.IsKeyframe(packet.Payload) {
|
||||
return
|
||||
}
|
||||
b := h264.AVCtoAnnexB(packet.Payload)
|
||||
b := annexb.DecodeAVCC(packet.Payload)
|
||||
k.Fire(b)
|
||||
}
|
||||
|
||||
|
||||
+1
-1
@@ -86,7 +86,7 @@ func (c *Consumer) AddTrack(media *core.Media, _ *core.Codec, track *core.Receiv
|
||||
if track.Codec.IsRTP() {
|
||||
handler.Handler = h264.RTPDepay(track.Codec, handler.Handler)
|
||||
} else {
|
||||
handler.Handler = h264.RepairAVC(track.Codec, handler.Handler)
|
||||
handler.Handler = h264.RepairAVCC(track.Codec, handler.Handler)
|
||||
}
|
||||
|
||||
case core.CodecH265:
|
||||
|
||||
+4
-6
@@ -6,9 +6,7 @@ import (
|
||||
|
||||
"github.com/AlexxIT/go2rtc/pkg/core"
|
||||
"github.com/AlexxIT/go2rtc/pkg/h264"
|
||||
"github.com/AlexxIT/go2rtc/pkg/h264/avc"
|
||||
"github.com/AlexxIT/go2rtc/pkg/h265"
|
||||
"github.com/AlexxIT/go2rtc/pkg/h265/hvc"
|
||||
"github.com/AlexxIT/go2rtc/pkg/iso"
|
||||
"github.com/pion/rtp"
|
||||
)
|
||||
@@ -74,13 +72,13 @@ func (m *Muxer) GetInit(codecs []*core.Codec) ([]byte, error) {
|
||||
pps = []byte{0x68, 0xce, 0x38, 0x80}
|
||||
}
|
||||
|
||||
s := avc.DecodeSPS(sps)
|
||||
s := h264.DecodeSPS(sps)
|
||||
if s == nil {
|
||||
return nil, errors.New("mp4: can't parse SPS")
|
||||
}
|
||||
|
||||
mv.WriteVideoTrack(
|
||||
uint32(i+1), codec.Name, codec.ClockRate, s.Width(), s.Heigth(), avc.EncodeConfig(sps, pps),
|
||||
uint32(i+1), codec.Name, codec.ClockRate, s.Width(), s.Height(), h264.EncodeConfig(sps, pps),
|
||||
)
|
||||
|
||||
case core.CodecH265:
|
||||
@@ -96,13 +94,13 @@ func (m *Muxer) GetInit(codecs []*core.Codec) ([]byte, error) {
|
||||
pps = []byte{0x44, 0x01, 0xc0, 0x73, 0xc0, 0x4c, 0x90}
|
||||
}
|
||||
|
||||
s := avc.DecodeSPS(sps)
|
||||
s := h265.DecodeSPS(sps)
|
||||
if s == nil {
|
||||
return nil, errors.New("mp4: can't parse SPS")
|
||||
}
|
||||
|
||||
mv.WriteVideoTrack(
|
||||
uint32(i+1), codec.Name, codec.ClockRate, s.Width(), s.Heigth(), hvc.EncodeConfig(vps, sps, pps),
|
||||
uint32(i+1), codec.Name, codec.ClockRate, s.Width(), s.Height(), h265.EncodeConfig(vps, sps, pps),
|
||||
)
|
||||
|
||||
case core.CodecAAC:
|
||||
|
||||
+2
-1
@@ -2,6 +2,7 @@ package mp4
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
|
||||
"github.com/AlexxIT/go2rtc/pkg/core"
|
||||
"github.com/AlexxIT/go2rtc/pkg/h264"
|
||||
"github.com/AlexxIT/go2rtc/pkg/h265"
|
||||
@@ -101,7 +102,7 @@ func (c *Segment) AddTrack(media *core.Media, _ *core.Codec, track *core.Receive
|
||||
if track.Codec.IsRTP() {
|
||||
handler.Handler = h264.RTPDepay(track.Codec, handler.Handler)
|
||||
} else {
|
||||
handler.Handler = h264.RepairAVC(track.Codec, handler.Handler)
|
||||
handler.Handler = h264.RepairAVCC(track.Codec, handler.Handler)
|
||||
}
|
||||
|
||||
case core.CodecH265:
|
||||
|
||||
@@ -1,11 +1,13 @@
|
||||
package mpegts
|
||||
|
||||
import (
|
||||
"time"
|
||||
|
||||
"github.com/AlexxIT/go2rtc/pkg/core"
|
||||
"github.com/AlexxIT/go2rtc/pkg/h264"
|
||||
"github.com/AlexxIT/go2rtc/pkg/h264/annexb"
|
||||
"github.com/AlexxIT/go2rtc/pkg/h265"
|
||||
"github.com/pion/rtp"
|
||||
"time"
|
||||
)
|
||||
|
||||
const (
|
||||
@@ -113,7 +115,7 @@ func (p *PES) GetPacket() (pkt *rtp.Packet) {
|
||||
PayloadType: p.StreamType,
|
||||
Timestamp: ts,
|
||||
},
|
||||
Payload: h264.AnnexB2AVC(payload),
|
||||
Payload: annexb.EncodeToAVCC(payload, false),
|
||||
}
|
||||
|
||||
case StreamTypePCMATapo:
|
||||
|
||||
+1
-1
@@ -118,7 +118,7 @@ func (c *Consumer) AddTrack(media *core.Media, _ *core.Codec, track *core.Receiv
|
||||
if track.Codec.IsRTP() {
|
||||
handler.Handler = h264.RTPDepay(track.Codec, handler.Handler)
|
||||
} else {
|
||||
handler.Handler = h264.RepairAVC(track.Codec, handler.Handler)
|
||||
handler.Handler = h264.RepairAVCC(track.Codec, handler.Handler)
|
||||
}
|
||||
|
||||
case core.CodecAAC:
|
||||
|
||||
@@ -11,7 +11,7 @@ import (
|
||||
"time"
|
||||
|
||||
"github.com/AlexxIT/go2rtc/pkg/core"
|
||||
"github.com/AlexxIT/go2rtc/pkg/h264"
|
||||
"github.com/AlexxIT/go2rtc/pkg/h264/annexb"
|
||||
"github.com/pion/rtp"
|
||||
)
|
||||
|
||||
@@ -103,7 +103,7 @@ func (c *Client) Handle() error {
|
||||
Header: rtp.Header{
|
||||
Timestamp: uint32(ts * 90000),
|
||||
},
|
||||
Payload: h264.AnnexB2AVC(body),
|
||||
Payload: annexb.EncodeToAVCC(body, false),
|
||||
}
|
||||
video.WriteRTP(pkt)
|
||||
}
|
||||
|
||||
@@ -53,7 +53,7 @@ func (c *Conn) AddTrack(media *core.Media, codec *core.Codec, track *core.Receiv
|
||||
if track.Codec.IsRTP() {
|
||||
sender.Handler = h264.RTPDepay(track.Codec, sender.Handler)
|
||||
} else {
|
||||
sender.Handler = h264.RepairAVC(track.Codec, sender.Handler)
|
||||
sender.Handler = h264.RepairAVCC(track.Codec, sender.Handler)
|
||||
}
|
||||
|
||||
case core.CodecH265:
|
||||
|
||||
Reference in New Issue
Block a user