mirror of
https://github.com/bluenviron/mediamtx
synced 2025-01-25 16:33:39 +00:00
50 lines
998 B
Go
50 lines
998 B
Go
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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codecs = append(codecs, "avc1."+hex.EncodeToString(p.videoTrack.SPS()[1:4]))
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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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