golanggohlsrtmpwebrtcmedia-serverobs-studiortcprtmp-proxyrtmp-serverrtprtsprtsp-proxyrtsp-relayrtsp-serversrtstreamingwebrtc-proxy
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52 lines
1.0 KiB
52 lines
1.0 KiB
package hls |
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import ( |
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"bytes" |
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"encoding/hex" |
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"io" |
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"strconv" |
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"strings" |
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"github.com/aler9/gortsplib" |
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) |
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type muxerPrimaryPlaylist struct { |
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videoTrack *gortsplib.TrackH264 |
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audioTrack *gortsplib.TrackAAC |
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cnt []byte |
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} |
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func newMuxerPrimaryPlaylist( |
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videoTrack *gortsplib.TrackH264, |
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audioTrack *gortsplib.TrackAAC, |
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) *muxerPrimaryPlaylist { |
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p := &muxerPrimaryPlaylist{ |
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videoTrack: videoTrack, |
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audioTrack: audioTrack, |
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} |
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var codecs []string |
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if p.videoTrack != nil { |
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sps := p.videoTrack.SPS() |
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if len(sps) >= 4 { |
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codecs = append(codecs, "avc1."+hex.EncodeToString(sps[1:4])) |
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} |
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} |
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// https://developer.mozilla.org/en-US/docs/Web/Media/Formats/codecs_parameter |
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if p.audioTrack != nil { |
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codecs = append(codecs, "mp4a.40."+strconv.FormatInt(int64(p.audioTrack.Type()), 10)) |
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} |
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p.cnt = []byte("#EXTM3U\n" + |
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"#EXT-X-STREAM-INF:BANDWIDTH=200000,CODECS=\"" + strings.Join(codecs, ",") + "\"\n" + |
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"stream.m3u8\n") |
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return p |
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} |
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func (p *muxerPrimaryPlaylist) reader() io.Reader { |
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return bytes.NewReader(p.cnt) |
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}
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