ffmpeg dxva2解码

根据引用资料，要实现ffmpeg dxva2硬件解码，需要注意以下几点：

1. 首先，确保你使用的ffmpeg版本支持dxva2硬件加速。在ffmpeg的3.2版本中，支持dxva2硬件加速的文件格式有AV_CODEC_ID_MPEG2VIDEO、AV_CODEC_ID_H264、AV_CODEC_ID_VC1、AV_CODEC_ID_WMV3、AV_CODEC_ID_HEVC、AV_CODEC_ID_VP9。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* *2* [如何快速实现ffmpeg dxva2硬解码](https://blog.csdn.net/an505479313/article/details/70570007)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT3_1"}}] [.reference_item style="max-width: 50%"]
- *3* [C++ ffmpeg+dxva2实现硬解码](https://blog.csdn.net/qq_40594137/article/details/124959608)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT3_1"}}] [.reference_item style="max-width: 50%"]
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