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rtmp: support additional Enhanced-RTMP features (#3685)
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26 changes: 0 additions & 26 deletions
26
internal/protocols/rtmp/message/extended_mpeg2ts_sequence_start.go
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54 changes: 54 additions & 0 deletions
54
internal/protocols/rtmp/message/msg_audio_ex_coded_frames.go
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,54 @@ | ||
package message | ||
|
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import ( | ||
"fmt" | ||
"time" | ||
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"github.com/bluenviron/mediamtx/internal/protocols/rtmp/rawmessage" | ||
) | ||
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// AudioExCodedFrames is a CodedFrames extended message. | ||
type AudioExCodedFrames struct { | ||
ChunkStreamID byte | ||
DTS time.Duration | ||
MessageStreamID uint32 | ||
FourCC FourCC | ||
Payload []byte | ||
} | ||
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func (m *AudioExCodedFrames) unmarshal(raw *rawmessage.Message) error { | ||
if len(raw.Body) < 6 { | ||
return fmt.Errorf("not enough bytes") | ||
} | ||
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m.ChunkStreamID = raw.ChunkStreamID | ||
m.DTS = raw.Timestamp | ||
m.MessageStreamID = raw.MessageStreamID | ||
m.FourCC = FourCC(raw.Body[1])<<24 | FourCC(raw.Body[2])<<16 | FourCC(raw.Body[3])<<8 | FourCC(raw.Body[4]) | ||
m.Payload = raw.Body[5:] | ||
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return nil | ||
} | ||
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func (m AudioExCodedFrames) marshalBodySize() int { | ||
return 5 + len(m.Payload) | ||
} | ||
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func (m AudioExCodedFrames) marshal() (*rawmessage.Message, error) { | ||
body := make([]byte, m.marshalBodySize()) | ||
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body[0] = (9 << 4) | byte(AudioExTypeCodedFrames) | ||
body[1] = uint8(m.FourCC >> 24) | ||
body[2] = uint8(m.FourCC >> 16) | ||
body[3] = uint8(m.FourCC >> 8) | ||
body[4] = uint8(m.FourCC) | ||
copy(body[5:], m.Payload) | ||
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return &rawmessage.Message{ | ||
ChunkStreamID: m.ChunkStreamID, | ||
Timestamp: m.DTS, | ||
Type: uint8(TypeAudio), | ||
MessageStreamID: m.MessageStreamID, | ||
Body: body, | ||
}, nil | ||
} |
69 changes: 69 additions & 0 deletions
69
internal/protocols/rtmp/message/msg_audio_ex_multichannel_config.go
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,69 @@ | ||
package message | ||
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import ( | ||
"fmt" | ||
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"github.com/bluenviron/mediamtx/internal/protocols/rtmp/rawmessage" | ||
) | ||
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// AudioExChannelOrder is an audio channel order. | ||
type AudioExChannelOrder uint8 | ||
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// audio channel orders. | ||
const ( | ||
AudioExChannelOrderUnspecified AudioExChannelOrder = 0 | ||
AudioExChannelOrderNative AudioExChannelOrder = 1 | ||
AudioExChannelOrderCustom AudioExChannelOrder = 2 | ||
) | ||
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// AudioExMultichannelConfig is a sequence start extended message. | ||
type AudioExMultichannelConfig struct { | ||
ChunkStreamID byte | ||
MessageStreamID uint32 | ||
FourCC FourCC | ||
AudioChannelOrder AudioExChannelOrder | ||
ChannelCount uint8 | ||
AudioChannelMapping uint8 // only for AudioChannelOrder == AudioExChannelOrderCustom | ||
AudioChannelFlags uint32 // only for AudioChannelOrder == AudioExChannelOrderNative | ||
} | ||
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func (m *AudioExMultichannelConfig) unmarshal(raw *rawmessage.Message) error { | ||
if len(raw.Body) < 7 { | ||
return fmt.Errorf("not enough bytes") | ||
} | ||
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m.ChunkStreamID = raw.ChunkStreamID | ||
m.MessageStreamID = raw.MessageStreamID | ||
m.FourCC = FourCC(raw.Body[1])<<24 | FourCC(raw.Body[2])<<16 | FourCC(raw.Body[3])<<8 | FourCC(raw.Body[4]) | ||
m.AudioChannelOrder = AudioExChannelOrder(raw.Body[5]) | ||
m.ChannelCount = raw.Body[6] | ||
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switch m.AudioChannelOrder { | ||
case AudioExChannelOrderCustom: | ||
if len(raw.Body) != 8 { | ||
return fmt.Errorf("invalid AudioExMultichannelConfig size") | ||
} | ||
m.AudioChannelMapping = raw.Body[7] | ||
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case AudioExChannelOrderNative: | ||
if len(raw.Body) != 11 { | ||
return fmt.Errorf("invalid AudioExMultichannelConfig size") | ||
} | ||
m.AudioChannelFlags = uint32(raw.Body[7])<<24 | uint32(raw.Body[8])<<16 | | ||
uint32(raw.Body[9])<<8 | uint32(raw.Body[10]) | ||
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case AudioExChannelOrderUnspecified: | ||
if len(raw.Body) != 7 { | ||
return fmt.Errorf("invalid AudioExMultichannelConfig size") | ||
} | ||
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default: | ||
return fmt.Errorf("invalid AudioChannelOrder") | ||
} | ||
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return nil | ||
} | ||
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func (m AudioExMultichannelConfig) marshal() (*rawmessage.Message, error) { | ||
return nil, fmt.Errorf("TODO") | ||
} |
32 changes: 32 additions & 0 deletions
32
internal/protocols/rtmp/message/msg_audio_ex_sequence_start.go
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,32 @@ | ||
package message | ||
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import ( | ||
"fmt" | ||
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"github.com/bluenviron/mediamtx/internal/protocols/rtmp/rawmessage" | ||
) | ||
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// AudioExSequenceStart is a sequence start extended message. | ||
type AudioExSequenceStart struct { | ||
ChunkStreamID byte | ||
MessageStreamID uint32 | ||
FourCC FourCC | ||
Config []byte | ||
} | ||
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func (m *AudioExSequenceStart) unmarshal(raw *rawmessage.Message) error { | ||
if len(raw.Body) < 6 { | ||
return fmt.Errorf("not enough bytes") | ||
} | ||
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m.ChunkStreamID = raw.ChunkStreamID | ||
m.MessageStreamID = raw.MessageStreamID | ||
m.FourCC = FourCC(raw.Body[1])<<24 | FourCC(raw.Body[2])<<16 | FourCC(raw.Body[3])<<8 | FourCC(raw.Body[4]) | ||
m.Config = raw.Body[5:] | ||
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return nil | ||
} | ||
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func (m AudioExSequenceStart) marshal() (*rawmessage.Message, error) { | ||
return nil, fmt.Errorf("TODO") | ||
} |
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