fix decoding_ind none bug

haoneng.lhn

2023-09-12 eed5cbb9457f0842d9ea8f41cd88459a5dbc9e70

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wget https://isv-data.oss-cn-hangzhou.aliyuncs.com/ics/MaaS/ASR/dep_libs/ffmpeg-N-111383-g20b8688092-linux64-gpl-shared.tar.xz
tar -xvf ffmpeg-N-111383-g20b8688092-linux64-gpl-shared.tar.xz