create on the fly hls livestream when video is started and stream it to client

apiGo/api/Video.go

@@ -3,12 +3,15 @@ package api
 import (
 	"encoding/json"
 	"fmt"
+	"net/http"
 	"net/url"
 	"openmediacenter/apiGo/api/api"
 	"openmediacenter/apiGo/api/types"
 	"openmediacenter/apiGo/config"
 	"openmediacenter/apiGo/database"
+	"openmediacenter/apiGo/videoparser/hls"
 	"os"
+	"os/exec"
 	"strconv"
 	"strings"
 )
@@ -398,6 +401,62 @@ func loadVideosHandlers() {
 
 		context.Json(result)
 	})
+
+	api.AddHandler("loadM3U8", api.VideoNode, api.PermUnauthorized, func(ctx api.Context) {
+		param := ctx.GetRequest().URL.Query().Get("id")
+		id, _ := strconv.Atoi(param)
+
+		mylist :=
+			`#EXTM3U
+#EXT-X-VERSION:4
+#EXT-X-MEDIA-SEQUENCE:0
+#EXT-X-ALLOW-CACHE:NO
+#EXT-X-TARGETDURATION:10
+#EXT-X-START:TIME-OFFSET=0
+#EXT-X-PLAYLIST-TYPE:VOD
+`
+		// ffprobe -v error -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 input.mp4
+		cmd := exec.Command("ffprobe",
+			"-v", "error",
+			"-show_entries", "format=duration",
+			"-of", "default=noprint_wrappers=1:nokey=1",
+			hls.GetVideoPathById(uint32(id)))
+		stdout, err := cmd.Output()
+		//
+		if err != nil {
+			fmt.Println(err.Error())
+			fmt.Println(string(err.(*exec.ExitError).Stderr))
+		}
+		secss, _, _ := strings.Cut(string(stdout), ".")
+		secsi, err := strconv.Atoi(secss)
+
+		i := 0
+		for ; i < secsi/10; i++ {
+			mylist += fmt.Sprintf(
+				`#EXTINF:10.0,
+/api/video/getVideoSegment?id=%d&idx=%d
+`, id, i)
+		}
+		mylist += fmt.Sprintf(
+			`#EXTINF:%s,
+/api/video/getVideoSegment?id=%d&idx=%d
+EXT-X-ENDLIST
+`, fmt.Sprintf("%d.0", secsi%10), id, i)
+		ctx.Text(mylist)
+	})
+
+	api.AddHandler("getVideoSegment", api.VideoNode, api.PermUnauthorized, func(ctx api.Context) {
+		params := ctx.GetRequest().URL.Query()
+		idxs := params.Get("idx")
+		ids := params.Get("id")
+
+		id, _ := strconv.Atoi(ids)
+		idx, _ := strconv.Atoi(idxs)
+		// todo error handling
+
+		tmppath := hls.GetSegment(uint32(idx), uint32(id))
+		http.ServeFile(ctx.GetWriter(), ctx.GetRequest(), tmppath)
+	})
 }
 
 func addToVideoHandlers() {

apiGo/config/Config.go

@@ -24,6 +24,7 @@ type FeaturesT struct {
 type GeneralT struct {
 	VerboseLogging bool
 	ReindexPrefix  string
+	TmpDir         string
 }
 
 type FileConfT struct {
@@ -44,6 +45,7 @@ func defaultConfig() *FileConfT {
 		General: GeneralT{
 			VerboseLogging: false,
 			ReindexPrefix:  "/var/www/openmediacenter",
+			TmpDir:         "/tmp/openmediacenter",
 		},
 		Features: FeaturesT{
 			DisableTVSupport:     false,

apiGo/videoparser/hls/HlsDecoding.go

@@ -0,0 +1,133 @@
+package hls
+
+import (
+	"fmt"
+	"log"
+	"openmediacenter/apiGo/config"
+	"openmediacenter/apiGo/database"
+	"os"
+	"os/exec"
+	"time"
+)
+
+type TranscodingState struct {
+	Finished bool
+	Active   bool
+}
+
+var transcodeAcive = make(map[uint32]TranscodingState)
+
+func startSegmentation(videoid uint32) {
+	transcodeAcive[videoid] = TranscodingState{
+		Finished: false,
+		Active:   true,
+	}
+
+	cfg := config.GetConfig()
+	outpath := fmt.Sprintf("%s/%d", cfg.General.TmpDir, videoid)
+
+	if !fileExists(outpath) {
+		err := os.MkdirAll(outpath, os.ModePerm)
+		if err != nil {
+			log.Println(err)
+		}
+	}
+
+	app := "ffmpeg"
+	inputpath := GetVideoPathById(videoid)
+	fmt.Println(inputpath)
+	cmd := exec.Command(app,
+		//"-hide_banner",
+		//"-loglevel", "panic",
+		"-n",
+		//"-t", "10.0",
+		//"-ss", fmt.Sprintf("%d", id*10),
+		"-i", inputpath,
+		//"-g", "52",
+		//"-sc_threshold", "0",
+		//"-force_key_frames", "expr:gte(t,n_forced*10)",
+		//"-strict", "experimental",
+		//"-movflags", "+frag_keyframe+separate_moof+omit_tfhd_offset+empty_moov",
+		//"-c:v", "libx264",
+		//"-crf", "18",
+		//
+		//"-f", "segment",
+		//"-segment_time_delta", "0.2",
+		//"-segment_format", "mpegts",
+		//"-segment_times", commaSeparatedTimes,
+		//"-segment_start_number", `0`,
+		//"-segment_list_type", "flat",
+		//"-segment_list",
+		"-preset", "veryfast",
+		//"-maxrate", "4000k",
+		//"-bufsize", "8000k",
+		//"-vf", "scale=1280:-1,format=yuv420p",
+		//"-c:a", "aac",
+		"-force_key_frames", "expr:gte(t,n_forced*10)",
+		"-strict", "-2",
+		"-c:a", "aac",
+		"-c:v", "libx264",
+		"-f", "segment",
+		"-segment_list_type", "m3u8",
+		"-segment_time", "10.0",
+		"-segment_time_delta", "0.001",
+		"-segment_list", "test.m3u8", outpath+"/part%02d.ts")
+
+	stdout, err := cmd.Output()
+	//
+	if err != nil {
+		fmt.Println(err.Error())
+		fmt.Println(string(err.(*exec.ExitError).Stderr))
+	}
+	fmt.Println(stdout)
+	fmt.Println("finished transcoding")
+
+	transcodeAcive[videoid] = TranscodingState{
+		Finished: true,
+		Active:   false,
+	}
+}
+
+func fileExists(path string) bool {
+	_, err := os.Stat(path)
+	return !os.IsNotExist(err)
+}
+
+func GetVideoPathById(videoid uint32) string {
+	query := fmt.Sprintf(`SELECT movie_url FROM videos WHERE movie_id=%d`, videoid)
+	var url string
+
+	err := database.QueryRow(query).Scan(&url)
+	if err != nil {
+		return ""
+	}
+
+	mSettings, _, _ := database.GetSettings()
+	vidFolder := config.GetConfig().General.ReindexPrefix + mSettings.VideoPath
+	return vidFolder + url
+}
+
+func GetSegment(segIdx uint32, videoid uint32) string {
+	cfg := config.GetConfig()
+
+	i, ok := transcodeAcive[videoid]
+	if ok {
+		if !i.Active && !i.Finished {
+			go startSegmentation(videoid)
+		}
+	} else {
+		go startSegmentation(videoid)
+	}
+
+	// todo timeout
+	tspath := fmt.Sprintf("%s/%d/part%02d.ts", cfg.General.TmpDir, videoid, segIdx)
+	if ok && i.Finished == true {
+		return tspath
+	}
+
+	fmt.Println("checking if part exists")
+	for !fileExists(fmt.Sprintf("%s/%d/part%02d.ts", cfg.General.TmpDir, videoid, segIdx+1)) {
+		time.Sleep(100 * time.Millisecond)
+	}
+	return tspath
+}

package.json

@@ -13,6 +13,7 @@
     "@fortawesome/free-solid-svg-icons": "^5.15.1",
     "@fortawesome/react-fontawesome": "^0.1.13",
     "bootstrap": "^5.0.2",
+    "hls.js": "^1.2.9",
     "plyr-react": "^3.0.7",
     "react": "^17.0.1",
     "react-bootstrap": "^1.4.0",
@@ -22,7 +23,7 @@
     "typescript": "^4.3.5"
   },
   "scripts": {
-    "start": "react-scripts start",
+    "start": "react-scripts --openssl-legacy-provider start",
     "build": "CI=false react-scripts build",
     "test": "CI=true react-scripts test --reporters=jest-junit --verbose --silent --coverage --reporters=default",
     "lint": "eslint --format gitlab src/",

src/pages/Player/HLSPlayer.tsx

@@ -0,0 +1,34 @@
+import React, {useEffect, useRef} from 'react';
+import Hls from 'hls.js';
+import {PlyrInstance, PlyrProps, Plyr} from 'plyr-react';
+import plyrstyle from 'plyr-react/dist/plyr.css';
+import {DefaultPlyrOptions} from '../../types/GeneralTypes';
+
+interface Props {
+    // children?: JSX.Element;
+    videoid: number;
+}
+
+const HLSPlayer = (props: Props): JSX.Element => {
+    const ref = useRef(null);
+    useEffect(() => {
+        const loadVideo = async (): Promise<void> => {
+            const video = document.getElementById('plyr') as HTMLVideoElement;
+            const hls = new Hls();
+            hls.loadSource('/api/video/loadM3U8?id=' + props.videoid);
+            hls.attachMedia(video);
+            // @ts-ignore
+            ref.current!.plyr.media = video;
+
+            hls.on(Hls.Events.MANIFEST_PARSED, function () {
+                // @ts-ignore
+                (ref.current!.plyr as PlyrInstance).play();
+            });
+        };
+        loadVideo();
+    });
+
+    return <Plyr style={plyrstyle} options={DefaultPlyrOptions} id='plyr' source={{} as PlyrProps['source']} ref={ref} />;
+};
+
+export default HLSPlayer;

src/pages/Player/Player.tsx

@@ -1,9 +1,7 @@
 import React from 'react';
 
 import style from './Player.module.css';
-import plyrstyle from 'plyr-react/dist/plyr.css';
 
-import {Plyr} from 'plyr-react';
 import SideBar, {SideBarItem, SideBarTitle} from '../../elements/SideBar/SideBar';
 import Tag from '../../elements/Tag/Tag';
 import AddTagPopup from '../../elements/Popups/AddTagPopup/AddTagPopup';
@@ -15,7 +13,7 @@ import ActorTile from '../../elements/ActorTile/ActorTile';
 import {withRouter} from 'react-router-dom';
 import {APINode, callAPI} from '../../utils/Api';
 import {RouteComponentProps} from 'react-router';
-import {DefaultPlyrOptions, GeneralSuccess} from '../../types/GeneralTypes';
+import {GeneralSuccess} from '../../types/GeneralTypes';
 import {ActorType, TagType} from '../../types/VideoTypes';
 import PlyrJS from 'plyr';
 import {IconButton} from '../../elements/GPElements/Button';
@@ -23,6 +21,7 @@ import {VideoTypes} from '../../types/ApiTypes';
 import GlobalInfos from '../../utils/GlobalInfos';
 import {ButtonPopup} from '../../elements/Popups/ButtonPopup/ButtonPopup';
 import {FeatureContext} from '../../utils/context/FeatureContext';
+import HLSPlayer from './HLSPlayer';
 
 interface Props extends RouteComponentProps<{id: string}> {}
 
@@ -84,11 +83,8 @@ export class Player extends React.Component<Props, mystate> {
 
                 <div className={style.videowrapper}>
                     {/* video component is added here */}
-                    {this.state.sources ? (
-                        <Plyr style={plyrstyle} source={this.state.sources} options={DefaultPlyrOptions} />
-                    ) : (
-                        <div>not loaded yet</div>
-                    )}
+                    {/*<Plyr style={plyrstyle} source={this.state.sources} options={DefaultPlyrOptions} />*/}
+                    {this.state.sources ? <HLSPlayer videoid={this.state.movieId} /> : <div>not loaded yet</div>}
                     <div className={style.videoactions}>
                         <IconButton icon={faThumbsUp} onClick={(): void => this.likebtn()} title='Like!' />
                         <IconButton icon={faTag} onClick={(): void => this.setState({popupvisible: true})} title='Add Tag!' />

yarn.lock

@@ -6191,6 +6191,11 @@ history@^4.9.0:
     tiny-warning "^1.0.0"
     value-equal "^1.0.1"
 
+hls.js@^1.2.9:
+  version "1.2.9"
+  resolved "https://registry.yarnpkg.com/hls.js/-/hls.js-1.2.9.tgz#2f25e42ec4c2ea8c88ab23c0f854f39062d45ac9"
+  integrity sha512-SPjm8ix0xe6cYzwDvdVGh2QvQPDkCYrGWpZu6bRaKNNVyEGWM9uF0pooh/Lqj/g8QBQgPFEx1vHzW8SyMY9rqg==
+
 hmac-drbg@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz#d2745701025a6c775a6c545793ed502fc0c649a1"