62 lines
1.2 KiB
Go
62 lines
1.2 KiB
Go
package formatprocessor
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import (
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"fmt"
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"time"
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"github.com/bluenviron/gortsplib/v3/pkg/formats"
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"github.com/pion/rtp"
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"github.com/bluenviron/mediamtx/internal/logger"
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)
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// UnitGeneric is a generic data unit.
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type UnitGeneric struct {
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BaseUnit
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}
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type formatProcessorGeneric struct {
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udpMaxPayloadSize int
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}
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func newGeneric(
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udpMaxPayloadSize int,
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forma formats.Format,
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generateRTPPackets bool,
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_ logger.Writer,
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) (*formatProcessorGeneric, error) {
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if generateRTPPackets {
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return nil, fmt.Errorf("we don't know how to generate RTP packets of format %+v", forma)
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}
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return &formatProcessorGeneric{
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udpMaxPayloadSize: udpMaxPayloadSize,
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}, nil
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}
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func (t *formatProcessorGeneric) Process(unit Unit, _ bool) error {
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tunit := unit.(*UnitGeneric)
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pkt := tunit.RTPPackets[0]
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// remove padding
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pkt.Header.Padding = false
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pkt.PaddingSize = 0
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if pkt.MarshalSize() > t.udpMaxPayloadSize {
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return fmt.Errorf("payload size (%d) is greater than maximum allowed (%d)",
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pkt.MarshalSize(), t.udpMaxPayloadSize)
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}
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return nil
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}
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func (t *formatProcessorGeneric) UnitForRTPPacket(pkt *rtp.Packet, ntp time.Time) Unit {
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return &UnitGeneric{
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BaseUnit: BaseUnit{
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RTPPackets: []*rtp.Packet{pkt},
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NTP: ntp,
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},
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}
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}
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