hls muxer: add EXT-X-VERSION to primary playlist

internal/hls/muxer_primary_playlist.go

@@ -41,6 +41,8 @@ func newMuxerPrimaryPlaylist(
 	}
 
 	p.cnt = []byte("#EXTM3U\n" +
+		"#EXT-X-VERSION:3\n" +
+		"\n" +
 		"#EXT-X-STREAM-INF:BANDWIDTH=200000,CODECS=\"" + strings.Join(codecs, ",") + "\"\n" +
 		"stream.m3u8\n")
 

internal/hls/muxer_test.go

@@ -64,6 +64,8 @@ func TestMuxerVideoAudio(t *testing.T) {
 	require.NoError(t, err)
 
 	require.Equal(t, "#EXTM3U\n"+
+		"#EXT-X-VERSION:3\n"+
+		"\n"+
 		"#EXT-X-STREAM-INF:BANDWIDTH=200000,CODECS=\"avc1.010203,mp4a.40.2\"\n"+
 		"stream.m3u8\n", string(byts))
 
@@ -198,6 +200,8 @@ func TestMuxerVideoOnly(t *testing.T) {
 	require.NoError(t, err)
 
 	require.Equal(t, "#EXTM3U\n"+
+		"#EXT-X-VERSION:3\n"+
+		"\n"+
 		"#EXT-X-STREAM-INF:BANDWIDTH=200000,CODECS=\"avc1.010203\"\n"+
 		"stream.m3u8\n", string(byts))
 
@@ -284,6 +288,8 @@ func TestMuxerAudioOnly(t *testing.T) {
 	require.NoError(t, err)
 
 	require.Equal(t, "#EXTM3U\n"+
+		"#EXT-X-VERSION:3\n"+
+		"\n"+
 		"#EXT-X-STREAM-INF:BANDWIDTH=200000,CODECS=\"mp4a.40.2\"\n"+
 		"stream.m3u8\n", string(byts))