Cant get any video stream on Vlc with rtmp://localhost/live/livestream, err with Requested output format 'flv' is not a suitable output format about metahuman-stream HOT 1 CLOSED

conda install -c conda-forge ffmpeg #安装最新版ffmpeg，成功编译版本ffmpeg=5.1.2

message(STATUS "AVCODEC_LIBRARY: ${AVCODEC_LIBRARY}")
message(STATUS "AVFORMAT_LIBRARY: ${AVFORMAT_LIBRARY}")
message(STATUS "AVUTIL_LIBRARY: ${AVUTIL_LIBRARY}")
message(STATUS "SWSCALE_LIBRARY: ${SWSCALE_LIBRARY}")
#可以使用cmake指令打印编译信息
mkdir build && cd build
cmake

[INFO] frame_to_text... 
[INFO] warm-up done, actual latency = 2.698054s
[NULL @ 0x7f91eacabea0] Requested output format 'flv' is not a suitable output format #视频流编解码问题
[NULL @ 0x7f91eacabea0] Requested output format '-l' is not a suitable output format #音频流编解码问题
[INFO] frame_to_text... 

set(AVCODEC_LIBRARY "/home/nypyp/miniconda3/envs/nerfstream/lib/libavcodec.so")
set(AVFORMAT_LIBRARY "/home/nypyp/miniconda3/envs/nerfstream/lib/libavformat.so")
set(AVUTIL_LIBRARY "/home/nypyp/miniconda3/envs/nerfstream/lib/libavutil.so")
set(SWSCALE_LIBRARY "/home/nypyp/miniconda3/envs/nerfstream/lib/libswscale.so")

sudo apt-get install portaudio19-dev python-all-dev python3-all-dev 
#pyaudio pip 安装会报fatal error: portaudio.h: No such file or directory，所以需要先安装前置库
pip install pyaudio
#apt 安装报错下列软件包有未满足的依赖关系：portaudio19-dev : 依赖: libasound2-dev 但是它将不会被安装
#换conda 安装
conda install pyaudio

pip install tensorflow-gpu==2.8.0 #报错，依赖冲突
pip install tensorflow-gpu==2.8.1

ERROR: Got permission denied while trying to connect to the Docker daemon socket

#解决办法：添加用户到docker组
sudo groupadd docker #添加docker组
sudo gpasswd -a username docker #将用户username添加到组
id #查看用户所在的组
newgrp docker #如果未在组中，在用户终端下使用newgrp用刷新用户组

sudo systemctl restart docker.socket docker.service
docker rm -f <container id>

pip install protobuf==3.20 #需要降级protobuf

lsof -i:8000
kill -9 PID