mirror of
https://github.com/aler9/rtsp-simple-server
synced 2025-10-19 05:54:43 +08:00
122 lines
2.5 KiB
Go
122 lines
2.5 KiB
Go
package core
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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/aler9/gortsplib/v2/pkg/formatdecenc/rtph265"
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"github.com/pion/rtp"
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)
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type dataH265 struct {
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rtpPackets []*rtp.Packet
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ntp time.Time
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pts time.Duration
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nalus [][]byte
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}
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func (d *dataH265) getRTPPackets() []*rtp.Packet {
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return d.rtpPackets
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}
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func (d *dataH265) getNTP() time.Time {
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return d.ntp
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}
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type formatProcessorH265 struct {
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format *format.H265
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encoder *rtph265.Encoder
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decoder *rtph265.Decoder
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}
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func newFormatProcessorH265(
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forma *format.H265,
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allocateEncoder bool,
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) (*formatProcessorH265, error) {
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t := &formatProcessorH265{
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format: forma,
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}
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if allocateEncoder {
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t.encoder = forma.CreateEncoder()
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}
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return t, nil
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}
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func (t *formatProcessorH265) updateTrackParametersFromRTPPacket(pkt *rtp.Packet) {
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// TODO: extract VPS, SPS, PPS and set them into the track
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}
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func (t *formatProcessorH265) updateTrackParametersFromNALUs(nalus [][]byte) {
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// TODO: extract VPS, SPS, PPS and set them into the track
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}
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func (t *formatProcessorH265) remuxNALUs(nalus [][]byte) [][]byte {
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// TODO: add VPS, SPS, PPS before IDRs
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return nalus
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}
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func (t *formatProcessorH265) generateRTPPackets(tdata *dataH265) error {
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pkts, err := t.encoder.Encode(tdata.nalus, tdata.pts)
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if err != nil {
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return err
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}
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tdata.rtpPackets = pkts
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return nil
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}
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func (t *formatProcessorH265) process(dat data, hasNonRTSPReaders bool) error {
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tdata := dat.(*dataH265)
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if tdata.rtpPackets != nil {
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pkt := tdata.rtpPackets[0]
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t.updateTrackParametersFromRTPPacket(pkt)
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if t.encoder == nil {
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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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// TODO: re-encode if oversized instead of printing errors
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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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}
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// decode from RTP
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if hasNonRTSPReaders || t.encoder != nil {
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if t.decoder == nil {
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t.decoder = t.format.CreateDecoder()
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}
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nalus, pts, err := t.decoder.Decode(pkt)
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if err != nil {
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if err == rtph265.ErrNonStartingPacketAndNoPrevious || err == rtph265.ErrMorePacketsNeeded {
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return nil
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}
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return err
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}
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tdata.nalus = nalus
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tdata.pts = pts
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tdata.nalus = t.remuxNALUs(tdata.nalus)
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}
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// route packet as is
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if t.encoder == nil {
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return nil
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}
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} else {
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t.updateTrackParametersFromNALUs(tdata.nalus)
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tdata.nalus = t.remuxNALUs(tdata.nalus)
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}
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return t.generateRTPPackets(tdata)
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}
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