Update
parent
34e4b9f3d5
commit
81607447bd
54
manager.go
54
manager.go
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@ -10,6 +10,8 @@ import (
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"net/http"
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"os/exec"
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"sort"
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"strconv"
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"strings"
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"time"
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)
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@ -40,17 +42,15 @@ func NewManager(c *Config, path string, id string, close chan string) (*Manager,
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return nil, err
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}
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log.Println("Video duration:", m.probe)
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m.numChunks = int(math.Ceil(m.probe.Duration.Seconds() / c.chunkSize))
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// Possible streams
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m.streams["360p.m3u8"] = &Stream{c: c, m: m, quality: "360p", height: 360, width: 640, bitrate: 945000}
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m.streams["480p.m3u8"] = &Stream{c: c, m: m, quality: "480p", height: 480, width: 640, bitrate: 1365000}
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m.streams["720p.m3u8"] = &Stream{c: c, m: m, quality: "720p", height: 720, width: 1280, bitrate: 3045000}
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m.streams["1080p.m3u8"] = &Stream{c: c, m: m, quality: "1080p", height: 1080, width: 1920, bitrate: 6045000}
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m.streams["1440p.m3u8"] = &Stream{c: c, m: m, quality: "1440p", height: 1440, width: 2560, bitrate: 9045000}
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m.streams["2160p.m3u8"] = &Stream{c: c, m: m, quality: "2160p", height: 2160, width: 3840, bitrate: 14045000}
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m.streams["360p"] = &Stream{c: c, m: m, quality: "360p", height: 360, width: 640, bitrate: 945000}
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m.streams["480p"] = &Stream{c: c, m: m, quality: "480p", height: 480, width: 640, bitrate: 1365000}
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m.streams["720p"] = &Stream{c: c, m: m, quality: "720p", height: 720, width: 1280, bitrate: 3045000}
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m.streams["1080p"] = &Stream{c: c, m: m, quality: "1080p", height: 1080, width: 1920, bitrate: 6045000}
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m.streams["1440p"] = &Stream{c: c, m: m, quality: "1440p", height: 1440, width: 2560, bitrate: 9045000}
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m.streams["2160p"] = &Stream{c: c, m: m, quality: "2160p", height: 2160, width: 3840, bitrate: 14045000}
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// Only keep streams that are smaller than the video
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for k, stream := range m.streams {
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@ -59,16 +59,50 @@ func NewManager(c *Config, path string, id string, close chan string) (*Manager,
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}
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}
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log.Println("New manager", m.id,
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"with streams:", len(m.streams),
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"duration:", m.probe.Duration,
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"resolution:", m.probe.Width, "x", m.probe.Height,
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)
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return m, nil
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}
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func (m *Manager) ServeHTTP(w http.ResponseWriter, r *http.Request, chunk string) error {
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// Master list
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if chunk == "index.m3u8" {
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return m.ServeIndex(w, r)
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}
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if stream, ok := m.streams[chunk]; ok {
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return stream.ServeList(w, r)
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// Stream list
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m3u8Sfx := ".m3u8"
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if strings.HasSuffix(chunk, m3u8Sfx) {
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quality := strings.TrimSuffix(chunk, m3u8Sfx)
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if stream, ok := m.streams[quality]; ok {
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return stream.ServeList(w, r)
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}
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}
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// Stream chunk
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tsSfx := ".ts"
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if strings.HasSuffix(chunk, tsSfx) {
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parts := strings.Split(chunk, "-")
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if len(parts) != 2 {
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w.WriteHeader(http.StatusBadRequest)
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return nil
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}
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quality := parts[0]
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chunkIdStr := strings.TrimSuffix(parts[1], tsSfx)
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chunkId, err := strconv.Atoi(chunkIdStr)
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if err != nil {
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w.WriteHeader(http.StatusBadRequest)
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return nil
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}
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if stream, ok := m.streams[quality]; ok {
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return stream.ServeChunk(w, r, chunkId)
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}
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}
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w.WriteHeader(http.StatusNotFound)
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20
stream.go
20
stream.go
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@ -22,12 +22,28 @@ func (s *Stream) ServeList(w http.ResponseWriter, r *http.Request) error {
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w.Write([]byte("#EXT-X-PLAYLIST-TYPE:VOD\n"))
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w.Write([]byte(fmt.Sprintf("#EXT-X-TARGETDURATION:%.3f\n", s.c.chunkSize)))
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for i := 0; i < s.m.numChunks; i++ {
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w.Write([]byte(fmt.Sprintf("#EXTINF:%.3f, nodesc\n", s.c.chunkSize)))
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duration := s.m.probe.Duration.Seconds()
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i := 0
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for duration > 0 {
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size := s.c.chunkSize
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if duration < size {
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size = duration
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}
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w.Write([]byte(fmt.Sprintf("#EXTINF:%.3f, nodesc\n", size)))
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w.Write([]byte(fmt.Sprintf("%s-%06d.ts\n", s.quality, i)))
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duration -= s.c.chunkSize
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i++
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}
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w.Write([]byte("#EXT-X-ENDLIST\n"))
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return nil
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}
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// Bulk
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func (s *Stream) ServeChunk(w http.ResponseWriter, r *http.Request, chunkId int) error {
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w.Write([]byte("chunk"))
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return nil
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}
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