build(docker): update Dockerfile and add FFmpeg installation script with Leak Sanitizer support (#14)

- modify Dockerfile to include static files and create videos directory
- update docker-compose to change UDP port range
- add install-ffmpeg-lsan.sh for FFmpeg installation with Leak Sanitizer
- create lsan.Dockerfile for building with Leak Sanitizer

Dockerfile

@@ -10,12 +10,10 @@ ENV PKG_CONFIG_PATH=/ffmpeg_build/lib/pkgconfig:${PKG_CONFIG_PATH}
 ENV PATH="/usr/local/go/bin:${PATH}"
 COPY ./ /app
 WORKDIR /app
-RUN ls .
 RUN go mod download
 RUN go build -o /app/bin/liveflow
 RUN cp config.toml /app/bin/config.toml
-RUN cp index.html /app/bin/index.html
-
-RUN mkdir /app/bin/videos
+RUN cp -r static /app/bin/static
+RUN mkdir -p /app/bin/videos
 WORKDIR /app/bin
 ENTRYPOINT ["/app/bin/liveflow"]

config.toml

@@ -5,7 +5,7 @@ port = 1930
 llhls = false
 disk_ram = true
 [docker]
-mode = false
+mode=false
 [mp4]
 record=false
 [ebml]

docker-compose.yaml

@@ -10,7 +10,7 @@ services:
     ports:
       - "8044:8044"
       - "1930:1930"
-      - "30000-31000:30000-31000/udp"
+      - "40000-41000:40000-41000/udp"
     environment:
       DOCKER_MODE: "true"
     build:

install-ffmpeg-lsan.sh

@@ -0,0 +1,41 @@
+#!/bin/sh
+
+set -ex
+
+# Leak Sanitizer flags
+export SANITIZE_FLAGS="-fsanitize=address -g -O1"
+
+mkdir -p /ffmpeg_build
+cd /ffmpeg_build
+
+git config --global http.sslVerify false
+
+git clone --depth 1 https://code.videolan.org/videolan/x264.git
+cd x264
+./configure --prefix="/ffmpeg_build" --enable-static --disable-opencl LDFLAGS="$SANITIZE_FLAGS"
+make
+make install
+cd ..
+
+wget --no-check-certificate -O ffmpeg-7.0.1.tar.bz2 https://ffmpeg.org/releases/ffmpeg-7.0.1.tar.bz2
+tar xjf ffmpeg-7.0.1.tar.bz2
+cd ffmpeg-7.0.1
+
+PKG_CONFIG_PATH="/ffmpeg_build/lib/pkgconfig" ./configure \
+  --prefix="/ffmpeg_build" \
+  --pkg-config-flags="--static" \
+  --extra-cflags="-I/ffmpeg_build/include" \
+  --extra-ldflags="$SANITIZE_FLAGS -L/ffmpeg_build/lib" \
+  --extra-libs="-lpthread -lm" \
+  --bindir="/usr/local/bin" \
+  --enable-gpl \
+  --enable-libx264 \
+  --enable-nonfree
+make -j8
+make install
+cd ..
+
+# Clean up
+rm -rf /ffmpeg_build/src /ffmpeg_build/*.tar.bz2
+
+echo "FFmpeg 7.0.1 with x264 (LSan enabled) has been successfully installed to /ffmpeg_build."

lsan.Dockerfile

@@ -0,0 +1,24 @@
+FROM golang:1.21-bullseye
+
+RUN apt-get update && \
+    apt-get upgrade -y && \
+    apt-get install -y build-essential git pkg-config libunistring-dev libaom-dev libdav1d-dev bzip2 nasm wget yasm ca-certificates
+
+COPY install-ffmpeg-lsan.sh /install-ffmpeg-lsan.sh
+RUN chmod +x /install-ffmpeg-lsan.sh && /install-ffmpeg-lsan.sh
+
+ENV PKG_CONFIG_PATH=/ffmpeg_build/lib/pkgconfig:${PKG_CONFIG_PATH}
+ENV PATH="/usr/local/go/bin:${PATH}"
+
+COPY ./ /app
+WORKDIR /app
+
+ENV CGO_LDFLAGS='-fsanitize=address'
+ENV CGO_CFLAGS='-fsanitize=address'
+RUN go mod download
+RUN go build -o /app/bin/liveflow
+RUN cp config.toml /app/bin/config.toml
+RUN cp -r static /app/bin/static
+RUN mkdir -p /app/bin/videos
+WORKDIR /app/bin
+ENTRYPOINT ["/app/bin/liveflow"]

main.go

@@ -3,15 +3,16 @@ package main
 import (
 	"context"
 	"fmt"
+	"net/http"
+	_ "net/http/pprof" // pprof을 사용하기 위한 패키지
+	"strconv"
+
 	"liveflow/config"
 	"liveflow/media/streamer/egress/hls"
 	"liveflow/media/streamer/egress/record/mp4"
 	"liveflow/media/streamer/egress/record/webm"
 	"liveflow/media/streamer/egress/whep"
 	"liveflow/media/streamer/ingress/whip"
-	"net/http"
-	_ "net/http/pprof" // pprof을 사용하기 위한 패키지
-	"strconv"
 
 	"github.com/labstack/echo/v4"
 	"github.com/labstack/echo/v4/middleware"

media/hub/hub.go

@@ -1,5 +1,10 @@
 package hub
 
+// #include <stdio.h>
+// #include <stdlib.h>
+//
+// void __lsan_do_leak_check(void);
+import "C"
 import (
 	"context"
 	"fmt"
@@ -122,6 +127,7 @@ func (h *Hub) Unpublish(streamID string) {
 		close(ch)
 	}
 	delete(h.streams, streamID)
+	//checkLeak()
 }
 
 // Subscribe : Subscribes to the given streamID.
@@ -151,3 +157,11 @@ func (h *Hub) RemoveStream(streamID string) {
 		delete(h.streams, streamID)
 	}
 }
+
+//func checkLeak() {
+//	go func() {
+//		fmt.Println("will check leak")
+//		time.Sleep(3 * time.Second)
+//		C.__lsan_do_leak_check()
+//	}()
+//}

media/streamer/egress/record/mp4/handler.go

@@ -5,11 +5,12 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"liveflow/media/streamer/egress/record"
-	"liveflow/media/streamer/processes"
 	"os"
 	"time"
 
+	"liveflow/media/streamer/egress/record"
+	"liveflow/media/streamer/processes"
+
 	astiav "github.com/asticode/go-astiav"
 	"github.com/deepch/vdk/codec/aacparser"
 	"github.com/sirupsen/logrus"
@@ -122,6 +123,7 @@ func (m *MP4) Start(ctx context.Context, source hub.Source) error {
 		if err != nil {
 			log.Error(ctx, err, "failed to write trailer")
 		}
+		log.Info(ctx, "mp4 file closed")
 	}()
 	return nil
 }

media/streamer/egress/whep/whep.go

@@ -3,9 +3,10 @@ package whep
 import (
 	"context"
 	"errors"
-	"liveflow/media/streamer/processes"
 
-	astiav "github.com/asticode/go-astiav"
+	"github.com/asticode/go-astiav"
+
+	"liveflow/media/streamer/processes"
 
 	"github.com/deepch/vdk/codec/aacparser"
 	"github.com/pion/rtp"

media/streamer/processes/transcoder.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"errors"
 	"fmt"
+
 	"liveflow/log"
 	"liveflow/media/streamer/pipe"
 
@@ -68,6 +69,7 @@ func (t *AudioTranscodingProcess) Init() error {
 	if t.encCodecContext == nil {
 		return errors.New("codec context is nil")
 	}
+
 	if t.decCodecContext.MediaType() == astiav.MediaTypeAudio {
 		t.encCodecContext.SetChannelLayout(astiav.ChannelLayoutStereo)
 		t.encCodecContext.SetSampleRate(t.encSampleRate)