HongwenZhang
demo error: unknown encoder libx264
And this is my conda list.
_libgcc_mutex 0.1 conda_forge https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge _openmp_mutex 4.5 2_gnu https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge blas 1.0 mkl https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main boto3 1.26.76 pypi_0 pypi botocore 1.29.76 pypi_0 pypi brotli 1.0.9 h166bdaf_8 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge brotli-bin 1.0.9 h166bdaf_8 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge bzip2 1.0.8 h7f98852_4 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge ca-certificates 2022.12.7 ha878542_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge certifi 2022.12.7 pyhd8ed1ab_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge charset-normalizer 3.0.1 pypi_0 pypi chumpy 0.70 pypi_0 pypi click 8.1.3 pypi_0 pypi colorama 0.4.6 pyhd8ed1ab_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge contourpy 1.0.7 py38hfbd4bf9_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge cudatoolkit 10.2.89 h713d32c_11 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge cycler 0.11.0 pyhd8ed1ab_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge cython 0.29.33 py38h8dc9893_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge dataclasses 0.8 pyhc8e2a94_3 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge deeplake 3.2.9 pypi_0 pypi dill 0.3.6 pypi_0 pypi entrypoints 0.4 pypi_0 pypi ffmpeg 4.3 hf484d3e_0 pytorch filterpy 1.4.5 pypi_0 pypi fonttools 4.38.0 py38h0a891b7_1 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge freetype 2.12.1 hca18f0e_1 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge freetype-py 2.3.0 pypi_0 pypi fvcore 0.1.5.post20221221 pyhd8ed1ab_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge gmp 6.2.1 h58526e2_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge gnutls 3.6.13 h85f3911_1 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge hub 3.0.1 pypi_0 pypi humbug 0.2.8 pypi_0 pypi idna 3.4 pypi_0 pypi imageio 2.25.1 pypi_0 pypi importlib-metadata 6.0.0 pypi_0 pypi importlib-resources 5.10.2 pyhd8ed1ab_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge importlib_resources 5.10.2 pyhd8ed1ab_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge intel-openmp 2021.4.0 h06a4308_3561 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main iopath 0.1.9 pyhd8ed1ab_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge jinja2 3.1.2 pypi_0 pypi jmespath 1.0.1 pypi_0 pypi joblib 1.2.0 pyhd8ed1ab_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge jpeg 9b h024ee3a_2 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main json-tricks 3.16.1 pypi_0 pypi kiwisolver 1.4.4 py38h43d8883_1 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge lame 3.100 h166bdaf_1003 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge ld_impl_linux-64 2.40 h41732ed_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge libbrotlicommon 1.0.9 h166bdaf_8 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge libbrotlidec 1.0.9 h166bdaf_8 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge libbrotlienc 1.0.9 h166bdaf_8 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge libffi 3.4.2 h7f98852_5 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge libgcc-ng 12.2.0 h65d4601_19 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge libgomp 12.2.0 h65d4601_19 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge libiconv 1.17 h166bdaf_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge libnsl 2.0.0 h7f98852_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge libpng 1.6.39 h753d276_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge libsqlite 3.40.0 h753d276_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge libstdcxx-ng 12.2.0 h46fd767_19 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge libtiff 4.2.0 h85742a9_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main libuuid 2.32.1 h7f98852_1000 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge libuv 1.44.2 h166bdaf_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge libwebp-base 1.2.4 h166bdaf_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge libzlib 1.2.13 h166bdaf_4 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge llvmlite 0.39.1 pypi_0 pypi lz4-c 1.9.3 h9c3ff4c_1 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge markupsafe 2.1.2 pypi_0 pypi matplotlib-base 3.7.0 py38hd6c3c57_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge mkl 2021.4.0 h06a4308_640 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main mkl-service 2.4.0 py38h95df7f1_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge mkl_fft 1.3.1 py38h8666266_1 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge mkl_random 1.2.2 py38h1abd341_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge multi-person-tracker 0.1 pypi_0 pypi multiprocess 0.70.14 pypi_0 pypi munkres 1.1.4 pyh9f0ad1d_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge ncurses 6.3 h27087fc_1 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge nettle 3.6 he412f7d_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge networkx 3.0 pypi_0 pypi neural-renderer-pytorch 1.1.3 pypi_0 pypi ninja 1.11.0 h924138e_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge numba 0.56.4 pypi_0 pypi numcodecs 0.11.0 pypi_0 pypi numpy 1.23.5 py38h14f4228_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main numpy-base 1.23.5 py38h31eccc5_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main olefile 0.46 pyh9f0ad1d_1 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge opencv-python 4.7.0.68 pypi_0 pypi openh264 2.1.1 h780b84a_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge openssl 3.0.8 h0b41bf4_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge packaging 23.0 pyhd8ed1ab_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge pathos 0.3.0 pypi_0 pypi pillow 9.4.0 pypi_0 pypi pip 23.0 pyhd8ed1ab_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge portalocker 2.7.0 py38h578d9bd_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge pox 0.3.2 pypi_0 pypi ppft 1.7.6.6 pypi_0 pypi protobuf 3.20.3 pypi_0 pypi pycocotools 2.0.6 py38h26c90d9_1 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge pyglet 2.0.4 pypi_0 pypi pyjwt 2.6.0 pypi_0 pypi pyopengl 3.1.0 pypi_0 pypi pyparsing 3.0.9 pyhd8ed1ab_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge pyrender 0.1.45 pypi_0 pypi python 3.8.16 he550d4f_1_cpython https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge python-dateutil 2.8.2 pyhd8ed1ab_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge python_abi 3.8 3_cp38 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge pytorch 1.9.0 py3.8_cuda10.2_cudnn7.6.5_0 pytorch pytorch3d 0.7.2 py38_cu102_pyt190 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/pytorch3d pywavelets 1.4.1 pypi_0 pypi pyyaml 6.0 py38h0a891b7_5 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge readline 8.1.2 h0f457ee_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge render 1.0.0 pypi_0 pypi requests 2.28.2 pypi_0 pypi s3transfer 0.6.0 pypi_0 pypi scikit-image 0.18.3 pypi_0 pypi scipy 1.2.2 pypi_0 pypi setuptools 67.3.2 pyhd8ed1ab_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge six 1.16.0 pyh6c4a22f_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge smplx 0.1.28 pypi_0 pypi tabulate 0.9.0 pyhd8ed1ab_1 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge tensorboardx 2.6 pypi_0 pypi termcolor 2.2.0 pyhd8ed1ab_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge tifffile 2023.2.3 pypi_0 pypi tk 8.6.12 h27826a3_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge torchaudio 0.9.0 py38 pytorch torchgeometry 0.1.2 pypi_0 pypi torchvision 0.10.0 py38_cu102 pytorch tqdm 4.64.1 pyhd8ed1ab_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge trimesh 3.20.0 pypi_0 pypi typing_extensions 4.4.0 pyha770c72_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge unicodedata2 15.0.0 py38h0a891b7_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge urllib3 1.26.14 pypi_0 pypi wheel 0.38.4 pyhd8ed1ab_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge xz 5.2.6 h166bdaf_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge yacs 0.1.8 pyhd8ed1ab_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge yaml 0.2.5 h7f98852_2 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge yolov3 0.1 pypi_0 pypi zipp 3.13.0 pyhd8ed1ab_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge zlib 1.2.13 h166bdaf_4 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge zstd 1.4.9 ha95c52a_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge
hi @Britton-Li , you need to execute the following command first,
conda install -c conda-forge ffmpeg
then execute the following command,
conda install pytorch==1.9.0 torchvision==0.10.0 cudatoolkit=11.1 -c pytorch -c conda-forge
