Files
gortsplib/pkg/formats/av1.go

115 lines
2.2 KiB
Go

package formats //nolint:dupl
import (
"fmt"
"strconv"
"github.com/pion/rtp"
"github.com/bluenviron/gortsplib/v3/pkg/formats/rtpav1"
)
// AV1 is a RTP format that uses the AV1 codec.
// Specification: https://aomediacodec.github.io/av1-rtp-spec/
type AV1 struct {
PayloadTyp uint8
LevelIdx *int
Profile *int
Tier *int
}
func (f *AV1) unmarshal(payloadType uint8, clock string, codec string, rtpmap string, fmtp map[string]string) error {
f.PayloadTyp = payloadType
for key, val := range fmtp {
switch key {
case "level-idx":
n, err := strconv.ParseUint(val, 10, 31)
if err != nil {
return fmt.Errorf("invalid level-idx: %v", val)
}
v2 := int(n)
f.LevelIdx = &v2
case "profile":
n, err := strconv.ParseUint(val, 10, 31)
if err != nil {
return fmt.Errorf("invalid profile: %v", val)
}
v2 := int(n)
f.Profile = &v2
case "tier":
n, err := strconv.ParseUint(val, 10, 31)
if err != nil {
return fmt.Errorf("invalid tier: %v", val)
}
v2 := int(n)
f.Tier = &v2
}
}
return nil
}
// String implements Format.
func (f *AV1) String() string {
return "AV1"
}
// ClockRate implements Format.
func (f *AV1) ClockRate() int {
return 90000
}
// PayloadType implements Format.
func (f *AV1) PayloadType() uint8 {
return f.PayloadTyp
}
// RTPMap implements Format.
func (f *AV1) RTPMap() string {
return "AV1/90000"
}
// FMTP implements Format.
func (f *AV1) FMTP() map[string]string {
fmtp := make(map[string]string)
if f.LevelIdx != nil {
fmtp["level-idx"] = strconv.FormatInt(int64(*f.LevelIdx), 10)
}
if f.Profile != nil {
fmtp["profile"] = strconv.FormatInt(int64(*f.Profile), 10)
}
if f.Tier != nil {
fmtp["tier"] = strconv.FormatInt(int64(*f.Tier), 10)
}
return fmtp
}
// PTSEqualsDTS implements Format.
func (f *AV1) PTSEqualsDTS(*rtp.Packet) bool {
return true
}
// CreateDecoder creates a decoder able to decode the content of the format.
func (f *AV1) CreateDecoder() *rtpav1.Decoder {
d := &rtpav1.Decoder{}
d.Init()
return d
}
// CreateEncoder creates an encoder able to encode the content of the format.
func (f *AV1) CreateEncoder() *rtpav1.Encoder {
e := &rtpav1.Encoder{
PayloadType: f.PayloadTyp,
}
e.Init()
return e
}