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55 lines
1.0 KiB
Go
55 lines
1.0 KiB
Go
// SPDX-FileCopyrightText: 2026 The Pion community <https://pion.ly>
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// SPDX-License-Identifier: MIT
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package rtpdump
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import (
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"fmt"
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"io"
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"sync"
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)
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// Writer writes the RTPDump file format.
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type Writer struct {
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writerMu sync.Mutex
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writer io.Writer
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}
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// NewWriter makes a new Writer and immediately writes the given Header
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// to begin the file.
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func NewWriter(w io.Writer, hdr Header) (*Writer, error) {
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preamble := fmt.Sprintf(
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"#!rtpplay1.0 %s/%d\n",
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hdr.Source.To4().String(),
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hdr.Port)
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if _, err := w.Write([]byte(preamble)); err != nil {
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return nil, err
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}
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hData, err := hdr.Marshal()
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if err != nil {
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return nil, err
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}
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if _, err := w.Write(hData); err != nil {
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return nil, err
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}
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return &Writer{writer: w}, nil
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}
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// WritePacket writes a Packet to the output.
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func (w *Writer) WritePacket(p Packet) error {
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w.writerMu.Lock()
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defer w.writerMu.Unlock()
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data, err := p.Marshal()
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if err != nil {
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return err
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}
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if _, err := w.writer.Write(data); err != nil {
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return err
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}
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return nil
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}
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