mirror of
https://github.com/aler9/gortsplib
synced 2025-10-05 15:16:51 +08:00
136 lines
2.6 KiB
Go
136 lines
2.6 KiB
Go
package formats
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import (
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"fmt"
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"strconv"
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"github.com/pion/rtp"
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"github.com/bluenviron/gortsplib/v3/pkg/formats/rtpvp8"
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)
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// VP8 is a RTP format for the VP8 codec.
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// Specification: https://datatracker.ietf.org/doc/html/rfc7741
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type VP8 struct {
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PayloadTyp uint8
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MaxFR *int
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MaxFS *int
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}
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func (f *VP8) unmarshal(payloadType uint8, _ string, _ string, _ string, fmtp map[string]string) error {
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f.PayloadTyp = payloadType
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for key, val := range fmtp {
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switch key {
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case "max-fr":
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n, err := strconv.ParseUint(val, 10, 31)
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if err != nil {
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return fmt.Errorf("invalid max-fr: %v", val)
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}
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v2 := int(n)
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f.MaxFR = &v2
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case "max-fs":
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n, err := strconv.ParseUint(val, 10, 31)
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if err != nil {
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return fmt.Errorf("invalid max-fs: %v", val)
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}
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v2 := int(n)
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f.MaxFS = &v2
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}
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}
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return nil
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}
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// Codec implements Format.
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func (f *VP8) Codec() string {
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return "VP8"
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}
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// String implements Format.
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//
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// Deprecated: replaced by Codec().
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func (f *VP8) String() string {
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return f.Codec()
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}
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// ClockRate implements Format.
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func (f *VP8) ClockRate() int {
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return 90000
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}
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// PayloadType implements Format.
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func (f *VP8) PayloadType() uint8 {
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return f.PayloadTyp
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}
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// RTPMap implements Format.
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func (f *VP8) RTPMap() string {
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return "VP8/90000"
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}
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// FMTP implements Format.
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func (f *VP8) FMTP() map[string]string {
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fmtp := make(map[string]string)
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if f.MaxFR != nil {
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fmtp["max-fr"] = strconv.FormatInt(int64(*f.MaxFR), 10)
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}
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if f.MaxFS != nil {
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fmtp["max-fs"] = strconv.FormatInt(int64(*f.MaxFS), 10)
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}
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return fmtp
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}
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// PTSEqualsDTS implements Format.
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func (f *VP8) PTSEqualsDTS(*rtp.Packet) bool {
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return true
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}
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// CreateDecoder creates a decoder able to decode the content of the format.
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//
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// Deprecated: this has been replaced by CreateDecoder2() that can also return an error.
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func (f *VP8) CreateDecoder() *rtpvp8.Decoder {
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d, _ := f.CreateDecoder2()
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return d
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}
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// CreateDecoder2 creates a decoder able to decode the content of the format.
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func (f *VP8) CreateDecoder2() (*rtpvp8.Decoder, error) {
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d := &rtpvp8.Decoder{}
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err := d.Init()
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if err != nil {
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return nil, err
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}
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return d, nil
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}
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// CreateEncoder creates an encoder able to encode the content of the format.
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//
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// Deprecated: this has been replaced by CreateEncoder2() that can also return an error.
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func (f *VP8) CreateEncoder() *rtpvp8.Encoder {
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e, _ := f.CreateEncoder2()
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return e
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}
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// CreateEncoder2 creates an encoder able to encode the content of the format.
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func (f *VP8) CreateEncoder2() (*rtpvp8.Encoder, error) {
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e := &rtpvp8.Encoder{
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PayloadType: f.PayloadTyp,
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}
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err := e.Init()
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if err != nil {
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return nil, err
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}
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return e, nil
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}
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