## 启动 ngxflv
使用 docker compose 启动
```
docker compose up -d
```

## 推流
文件推流
```
ffmpeg -hide_banner -re -i test.mp4 -c copy -f flv rtmp://127.0.0.1/rtmp/cam1
```

PC 摄像头麦克风推流
```
ffmpeg -hide_banner \
    -thread_queue_size 2048 \
    -f video4linux2 -video_size 848x480 -framerate 30 -i /dev/video0 \
    -thread_queue_size 2048 \
    -f alsa -ac 2 -i pulse \
    -vcodec libx264 \
    -acodec aac \
    -b:v 4M \
    -b:a 128K \
    -max_delay 1000000 -g 5 \
    -preset:v ultrafast -tune:v zerolatency \
    -vf "drawtext=fontsize=28:fontcolor=red:text='${cam_name}-%{localtime}'" \
    -f flv rtmp://127.0.0.1/rtmp/cam1
```

HLS 协议推流
```
ffmpeg -hide_banner -re -i test.mp4 \
    -vcodec libx264 -vprofile baseline -acodec aac -ar 44100 \
    -strict -2 -ac 1 \
    -f flv -q 10 rtmp://127.0.0.1/hls/cam1

ffmpeg -hide_banner -f v4l2 -framerate 10 -i /dev/video0 -q 10 -vcodec libx264 -acodec aac \
    -vf drawtext=fontcolor=white:fontsize=40:fontfile=test.ttf:line_spacing=7:text='%{localtime}':x=20:y=20 \
    -f flv rtmp://127.0.0.1/hls/cam1
```

## 拉流
ffplay 拉流
```
ffplay -hide_banner -i rtmp://127.0.0.1/rtmp/cam1
# 无缓冲模式播放(内网延迟控制在 5s 内)
ffplay -hide_banner -fflags nobuffer -i rtmp://127.0.0.1/rtmp/cam1
```

web 端 flv 拉流
```
http://127.0.0.1/live?app=rtmp&stream=cam1
http://127.0.0.1/live.flv?port=1935&app=rtmp&stream=cam1
```

web 端 hls 拉流
```
# hls 拉流
http://127.0.0.1/hls/cam1.m3u8
```