ffmpeg能否支持调用显卡加速？ #345
Description
环境和ffmpeg已经支持调用核显加速
ffmpeg -codecs | grep qsv
ffmpeg version 7.1 Copyright (c) 2000-2024 the FFmpeg developers
built with gcc 12 (Debian 12.2.0-14)
configuration: --arch=x86_64 --disable-yasm --enable-vaapi --enable-libmfx
libavutil 59. 39.100 / 59. 39.100
libavcodec 61. 19.100 / 61. 19.100
libavformat 61. 7.100 / 61. 7.100
libavdevice 61. 3.100 / 61. 3.100
libavfilter 10. 4.100 / 10. 4.100
libswscale 8. 3.100 / 8. 3.100
libswresample 5. 3.100 / 5. 3.100
DEV.L. av1 Alliance for Open Media AV1 (decoders: av1 av1_qsv) (encoders: av1_vaapi)
DEV.LS h264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (decoders: h264 h264_v4l2m2m h264_qsv) (encoders: h264_qsv h264_v4l2m2m h264_vaapi)
DEV.L. hevc H.265 / HEVC (High Efficiency Video Coding) (decoders: hevc hevc_qsv hevc_v4l2m2m) (encoders: hevc_qsv hevc_v4l2m2m hevc_vaapi)
DEVIL. mjpeg Motion JPEG (decoders: mjpeg mjpeg_qsv) (encoders: mjpeg mjpeg_qsv mjpeg_vaapi)
DEV.L. mpeg2video MPEG-2 video (decoders: mpeg2video mpegvideo mpeg2_v4l2m2m mpeg2_qsv) (encoders: mpeg2video mpeg2_qsv mpeg2_vaapi)
D.V.L. vc1 SMPTE VC-1 (decoders: vc1 vc1_qsv vc1_v4l2m2m)
DEV.L. vp8 On2 VP8 (decoders: vp8 vp8_v4l2m2m vp8_qsv) (encoders: vp8_v4l2m2m vp8_vaapi)
DEV.L. vp9 Google VP9 (decoders: vp9 vp9_v4l2m2m vp9_qsv) (encoders: vp9_vaapi vp9_qsv)
D.V.L. vvc H.266 / VVC (Versatile Video Coding) (decoders: vvc vvc_qsv)
但经测试，插件中的文件封面生成实际使用时仍然会直接使用cpu进行计算