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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| package formats | ||
|
|
||
| import ( | ||
| "strconv" | ||
| "strings" | ||
|
|
||
| "github.com/pion/rtp" | ||
| ) | ||
|
|
||
| // G726 is a RTP format for the G726 codec. | ||
| // Specification: https://datatracker.ietf.org/doc/html/rfc3551 | ||
| type G726 struct { | ||
| PayloadTyp uint8 | ||
| BitRate int | ||
| BigEndian bool | ||
| } | ||
|
|
||
| func (f *G726) unmarshal(payloadType uint8, _ string, codec string, _ string, _ map[string]string) error { | ||
| f.PayloadTyp = payloadType | ||
|
|
||
| if strings.HasPrefix(codec, "aal2-") { | ||
| f.BigEndian = true | ||
| } | ||
|
|
||
| switch { | ||
| case strings.HasSuffix(codec, "-16"): | ||
| f.BitRate = 16 | ||
| case strings.HasSuffix(codec, "-24"): | ||
| f.BitRate = 24 | ||
| case strings.HasSuffix(codec, "-32"): | ||
| f.BitRate = 32 | ||
| default: | ||
| f.BitRate = 40 | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| // Codec implements Format. | ||
| func (f *G726) Codec() string { | ||
| return "G726" | ||
| } | ||
|
|
||
| // String implements Format. | ||
| // | ||
| // Deprecated: replaced by Codec(). | ||
| func (f *G726) String() string { | ||
| return f.Codec() | ||
| } | ||
|
|
||
| // ClockRate implements Format. | ||
| func (f *G726) ClockRate() int { | ||
| return 8000 | ||
| } | ||
|
|
||
| // PayloadType implements Format. | ||
| func (f *G726) PayloadType() uint8 { | ||
| return f.PayloadTyp | ||
| } | ||
|
|
||
| // RTPMap implements Format. | ||
| func (f *G726) RTPMap() string { | ||
| codec := "" | ||
|
|
||
| if f.BigEndian { | ||
| codec += "AAL2-" | ||
| } | ||
|
|
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| return codec + "G726-" + strconv.FormatInt(int64(f.BitRate), 10) + "/8000" | ||
| } | ||
|
|
||
| // FMTP implements Format. | ||
| func (f *G726) FMTP() map[string]string { | ||
| return nil | ||
| } | ||
|
|
||
| // PTSEqualsDTS implements Format. | ||
| func (f *G726) PTSEqualsDTS(*rtp.Packet) bool { | ||
| return true | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| package formats | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
||
| "github.com/pion/rtp" | ||
| "github.com/stretchr/testify/require" | ||
| ) | ||
|
|
||
| func TestG726Attributes(t *testing.T) { | ||
| format := &G726{} | ||
| require.Equal(t, "G726", format.Codec()) | ||
| require.Equal(t, 8000, format.ClockRate()) | ||
| require.Equal(t, true, format.PTSEqualsDTS(&rtp.Packet{})) | ||
| } |