58 lines
1.2 KiB
Go
58 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/aler9/gortsplib/v2/pkg/format"
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"github.com/pion/rtp"
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)
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const (
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// 1500 (UDP MTU) - 20 (IP header) - 8 (UDP header)
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maxPacketSize = 1472
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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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RTPPackets []*rtp.Packet
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NTP time.Time
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}
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// GetRTPPackets implements Unit.
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func (d *UnitGeneric) GetRTPPackets() []*rtp.Packet {
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return d.RTPPackets
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}
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// GetNTP implements Unit.
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func (d *UnitGeneric) GetNTP() time.Time {
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return d.NTP
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}
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type formatProcessorGeneric struct{}
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func newGeneric(forma format.Format, generateRTPPackets bool) (*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{}, nil
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}
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func (t *formatProcessorGeneric) Process(unit Unit, hasNonRTSPReaders 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() > maxPacketSize {
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return fmt.Errorf("payload size (%d) is greater than maximum allowed (%d)",
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pkt.MarshalSize(), maxPacketSize)
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}
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return nil
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}
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