mirror of https://bitbucket.org/ausocean/av.git
74 lines
1.6 KiB
Go
74 lines
1.6 KiB
Go
package rtsp
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import (
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"bufio"
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"errors"
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"io"
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"strconv"
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"strings"
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)
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type SessionSection struct {
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Version int
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Originator string
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SessionName string
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SessionInformation string
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URI string
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Email string
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Phone string
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ConnectionInformation string
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BandwidthInformation string
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}
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func ParseSdp(r io.Reader) (SessionSection, error) {
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var packet SessionSection
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s := bufio.NewScanner(r)
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for s.Scan() {
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parts := strings.SplitN(s.Text(), "=", 2)
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if len(parts) == 2 {
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if len(parts[0]) != 1 {
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return packet, errors.New("SDP only allows 1-character variables")
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}
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switch parts[0] {
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// version
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case "v":
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ver, err := strconv.Atoi(parts[1])
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if err != nil {
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return packet, err
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}
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packet.Version = ver
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// owner/creator and session identifier
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case "o":
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// o=<username> <session id> <version> <network type> <address type> <address>
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// TODO: parse this
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packet.Originator = parts[1]
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// session name
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case "s":
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packet.SessionName = parts[1]
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// session information
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case "i":
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packet.SessionInformation = parts[1]
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// URI of description
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case "u":
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packet.URI = parts[1]
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// email address
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case "e":
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packet.Email = parts[1]
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// phone number
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case "p":
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packet.Phone = parts[1]
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// connection information - not required if included in all media
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case "c":
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// TODO: parse this
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packet.ConnectionInformation = parts[1]
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// bandwidth information
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case "b":
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// TODO: parse this
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packet.BandwidthInformation = parts[1]
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}
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}
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}
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return packet, nil
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}
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