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Copy pathinit.go
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176 lines (168 loc) · 6.39 KB
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package hls
import (
"encoding/json"
"fmt"
"io"
"strings"
)
func js(v any) string {
data, _ := json.Marshal(v)
return string(data)
}
func writeplaylist(m Media, w io.Writer) error {
init := ""
m.File = append([]File{}, m.File...)
for i := 0; i < len(m.File); i++ {
f := &m.File[i]
if init == f.Map.URI && !f.Discontinuous {
f.Map.URI = ""
} else {
init = f.Map.URI
}
}
tags, _ := m.EncodeTag()
for _, t := range tags {
fmt.Fprintln(w, t)
}
return nil
}
func init() {
m0 := Master{}
m0.Decode(strings.NewReader(sampleMaster))
m1 := Media{}
m1.Decode(strings.NewReader(sampleMedia))
m2 := Media{}
m2.Decode(strings.NewReader(sampleFrag))
m3 := Media{}
m3.Decode(strings.NewReader(sampleCue))
m4 := Master{}
m4.Decode(strings.NewReader(sampleMasterBlaster))
}
var sampleMedia = `
#EXTM3U
#EXT-X-VERSION:3
#EXT-X-INDEPENDENT-SEGMENTS
#EXT-X-PLAYLIST-TYPE:EVENT
#EXT-X-START:TIME-OFFSET=25,PRECISE=YES
#EXT-X-TARGETDURATION:10
#EXT-X-MEDIA-SEQUENCE:1
#EXT-X-DISCONTINUITY-SEQUENCE:2
#EXTINF:10.0,
ad0.ts
#EXTINF:8.0,
ad1.ts?m=142
#EXT-X-DISCONTINUITY
#EXT-X-PROGRAM-DATE-TIME:2021-01-11T07:59:41.005Z
#EXTINF:10.0,
movieA.ts
#EXTINF:10.0,
movieB.ts
#EXT-X-ENDLIST
`
var sampleMaster = `
#EXTM3U
#EXT-X-VERSION:3
#EXT-X-INDEPENDENT-SEGMENTS
#EXT-X-STREAM-INF:BANDWIDTH=1111,AVERAGE-BANDWIDTH=1000,RESOLUTION=1x1,FRAME-RATE=29.970,CODECS="avc1.4D401F,mp4a.40.2"
m1.m3u8
#EXT-X-STREAM-INF:BANDWIDTH=2222,AVERAGE-BANDWIDTH=2000,RESOLUTION=2x2,FRAME-RATE=29.970,CODECS="avc1.4D401F,mp4a.40.2"
m2.m3u8
#EXT-X-STREAM-INF:BANDWIDTH=3333,AVERAGE-BANDWIDTH=3000,RESOLUTION=3x3,FRAME-RATE=29.970,CODECS="avc1.4D401F,mp4a.40.2"
m3.m3u8
#EXT-X-STREAM-INF:BANDWIDTH=4444,AVERAGE-BANDWIDTH=4000,RESOLUTION=4x4,FRAME-RATE=29.970,CODECS="avc1.4D401E,mp4a.40.2"
m4.m3u8
#EXT-X-STREAM-INF:BANDWIDTH=5555,AVERAGE-BANDWIDTH=5000,RESOLUTION=5x5,FRAME-RATE=29.970,CODECS="avc1.4D401E,mp4a.40.2"
m5.m3u8
#EXT-X-STREAM-INF:BANDWIDTH=6666,AVERAGE-BANDWIDTH=6000,RESOLUTION=6x6,FRAME-RATE=29.970,CODECS="avc1.4D400D,mp4a.40.2"
m6.m3u8
`
var sampleFrag = `
#EXTM3U
#EXT-X-VERSION:7
#EXT-X-TARGETDURATION:6
#EXT-X-MEDIA-SEQUENCE:0
#EXT-X-PLAYLIST-TYPE:VOD
#EXT-X-MAP:URI="init.mp4"
#EXTINF:6.000000,
0.m4s
#EXTINF:6.000000,
1.m4s
#EXTINF:6.000000,
2.m4s
#EXTINF:6.000000,
3.m4s
#EXTINF:6.000000,
4.m4s
#EXTINF:6.000000,
5.m4s
#EXTINF:6.000000,
6.m4s
#EXTINF:6.000000,
7.m4s
#EXTINF:4.208333,
8.m4s
#EXT-X-ENDLIST
`
var sampleCue = `
#EXTM3U
#EXT-X-VERSION:7
#EXT-X-TARGETDURATION:6
#EXT-X-MEDIA-SEQUENCE:0
#EXT-X-PLAYLIST-TYPE:EVENT
#EXT-X-MAP:URI="init.mp4"
#EXTINF:6.000000,
0.m4s
#EXTINF:6.000000,
1.m4s
#EXTINF:6.000000,
2.m4s
#EXT-OATCLS-SCTE35:/DAlAAAAAyiYAP/wFAUAAIMRf+/+0bb+Av4AUmNiAAEBAQAAM5uUog==
#EXT-X-CUE-OUT:DURATION=120,BREAKID=blahblahblah
#EXTINF:6.000000,
3.m4s
#EXT-X-CUE-OUT-CONT:DURATION=120,ELAPSEDTIME=6,SCTE35=/DAlAAAAAyiYAP/wFAUAAIMRf+/+0bb+Av4AUmNiAAEBAQAAM5uUog==
#EXTINF:6.000000,
4.m4s
#EXT-X-CUE-CONT:18
#EXTINF:6.000000,
5.m4s
#EXT-X-ASSET:CONTENT_ID="2447371",CONTENT_FREQID="4312662727378189181",CONTENT_EXTID="ABC12345-oo0021-h4c3d",CONTENT_LEN=3600,CONTENT_BRAND="Publisher%20ABC",CONTENT_GENRE="Entertainment",CONTENT_RATING="TV14",CONTENT_LANGUAGE="en",CONTENT_KEYWORDS="key1,word2,%20cool",CONTENT_TITLE="Best%20Fails%20of%20the%20Month%20|EP%20203",CONTENT_FORMAT="Show",CONTENT_SERIES="Best%20Fails%20of%20the%20Month",CONTENT_SEASON="Season%202",CONTENT_EPISODE=3,CONTENT_CONTEXT=1,CONTENT_PRODQ=1
#EXT-X-PLACEMENT-OPPORTUNITY
#EXT-X-CUE-IN
#EXTINF:6.000000,
6.m4s
#EXTINF:6.000000,
7.m4s
#EXT-X-CUE-IN
#EXTINF:4.208333,
8.m4s
`
var sampleMasterBlaster = `
#EXTM3U
#EXT-X-VERSION:7
#EXT-X-CONTENT-STEERING:SERVER-URI="/steering?video=00012",PATHWAY-ID="CDN-A"
#EXT-X-INDEPENDENT-SEGMENTS
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="aud_1_en",NAME="English",DEFAULT=NO,AUTOSELECT=YES,LANGUAGE="en",CHANNELS="2",URI="variant_0.m3u8"
#EXT-X-MEDIA:TYPE=SUBTITLES,GROUP-ID="ALL_SUBTITLES_GROUP",NAME="English",DEFAULT=YES,AUTOSELECT=YES,LANGUAGE="en",FORCED=NO,CHARACTERISTICS="public.accessibility.transcribes-spoken-dialog,public.accessibility.describes-music-and-sound",URI="variant_1.m3u8"
#EXT-X-STREAM-INF:PROGRAM-ID=0,BANDWIDTH=1785306,AVERAGE-BANDWIDTH=723720,CODECS="avc1.4D401F,mp4a.40.2",RESOLUTION=768x432,AUDIO="aud_1_en",SUBTITLES="ALL_SUBTITLES_GROUP",FRAME-RATE=23.976,VIDEO-RANGE=SDR
variant_2.m3u8
#EXT-X-STREAM-INF:PROGRAM-ID=0,BANDWIDTH=290889,AVERAGE-BANDWIDTH=158302,CODECS="avc1.4D401E,mp4a.40.2",RESOLUTION=384x216,AUDIO="aud_1_en",SUBTITLES="ALL_SUBTITLES_GROUP",FRAME-RATE=23.976,VIDEO-RANGE=SDR
variant_3.m3u8
#EXT-X-STREAM-INF:PROGRAM-ID=0,BANDWIDTH=514531,AVERAGE-BANDWIDTH=263158,CODECS="avc1.4D401F,mp4a.40.2",RESOLUTION=512x288,AUDIO="aud_1_en",SUBTITLES="ALL_SUBTITLES_GROUP",FRAME-RATE=23.976,VIDEO-RANGE=SDR
variant_4.m3u8
#EXT-X-STREAM-INF:PROGRAM-ID=0,BANDWIDTH=1151346,AVERAGE-BANDWIDTH=565212,CODECS="avc1.4D401F,mp4a.40.2",RESOLUTION=640x360,AUDIO="aud_1_en",SUBTITLES="ALL_SUBTITLES_GROUP",FRAME-RATE=23.976,VIDEO-RANGE=SDR
variant_5.m3u8
#EXT-X-STREAM-INF:PROGRAM-ID=0,BANDWIDTH=2575951,AVERAGE-BANDWIDTH=1168235,CODECS="avc1.4D401F,mp4a.40.2",RESOLUTION=960x540,AUDIO="aud_1_en",SUBTITLES="ALL_SUBTITLES_GROUP",FRAME-RATE=23.976,VIDEO-RANGE=SDR
variant_6.m3u8
#EXT-X-STREAM-INF:PROGRAM-ID=0,BANDWIDTH=3799737,AVERAGE-BANDWIDTH=1865763,CODECS="avc1.640028,mp4a.40.2",RESOLUTION=1280x720,AUDIO="aud_1_en",SUBTITLES="ALL_SUBTITLES_GROUP",FRAME-RATE=23.976,VIDEO-RANGE=SDR
variant_7.m3u8
#EXT-X-STREAM-INF:PROGRAM-ID=0,BANDWIDTH=6363859,AVERAGE-BANDWIDTH=4105861,CODECS="avc1.640028,mp4a.40.2",RESOLUTION=1920x1080,AUDIO="aud_1_en",SUBTITLES="ALL_SUBTITLES_GROUP",FRAME-RATE=23.976,VIDEO-RANGE=SDR
variant_8.m3u8
#EXT-X-I-FRAME-STREAM-INF:PROGRAM-ID=0,BANDWIDTH=36304,CODECS="avc1.4D401F",RESOLUTION=768x432,URI="iframe_2.m3u8"
#EXT-X-I-FRAME-STREAM-INF:PROGRAM-ID=0,BANDWIDTH=10066,CODECS="avc1.4D401E",RESOLUTION=384x216,URI="iframe_3.m3u8"
#EXT-X-I-FRAME-STREAM-INF:PROGRAM-ID=0,BANDWIDTH=11941,CODECS="avc1.4D401F",RESOLUTION=512x288,URI="iframe_4.m3u8"
#EXT-X-I-FRAME-STREAM-INF:PROGRAM-ID=0,BANDWIDTH=30154,CODECS="avc1.4D401F",RESOLUTION=640x360,URI="iframe_5.m3u8"
#EXT-X-I-FRAME-STREAM-INF:PROGRAM-ID=0,BANDWIDTH=56853,CODECS="avc1.4D401F",RESOLUTION=960x540,URI="iframe_6.m3u8"
#EXT-X-I-FRAME-STREAM-INF:PROGRAM-ID=0,BANDWIDTH=79536,CODECS="avc1.640028",RESOLUTION=1280x720,URI="iframe_7.m3u8"
#EXT-X-I-FRAME-STREAM-INF:PROGRAM-ID=0,BANDWIDTH=271840,CODECS="avc1.640028",RESOLUTION=1920x1080,URI="iframe_8.m3u8"
`