mediamtx/internal/formatprocessor/generic.go

61 lines
1.2 KiB
Go

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