WMV 파일에서 MP4로 인코딩을 하려하는데 오류가 나옵니다..

Only '-vf scale=1280:720:flags=bicubic,pad=1280:720:0:0,setsar=1/1' read, ignoring remaining -vf options: Use ',' to separate filters

Only '-af aresample=48000:resampler=soxr' read, ignoring remaining -af options: Use ',' to separate filters

Stream mapping:

  Stream #0:0 -> #0:0 (vc1 (native) -> hevc (hevc_nvenc))

  Stream #0:1 -> #0:1 (wmapro (native) -> aac (libfdk_aac))

[hevc_nvenc @ 000002296c7c4b40] Using global_quality with nvenc is deprecated. Use qp instead.

Too many packets buffered for output stream 0:0.

Conversion failed!