我试图每分钟生成一个缩略图,但出现以下错误:
ffmpeg -i Hung.mp4 -f image2 -vf fps=fps=1/60 img%03d.jpg
[mjpeg @ 0x2f06da0] bitrate tolerance too small for bitrate
[mjpeg @ 0x2f1b7c0] ff_frame_thread_encoder_init failed
Output #0, image2, to 'img%03d.jpg':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: mp41
Stream #0:0(eng): Video: mjpeg, yuvj420p, 1280x536 [SAR 1:1 DAR 160:67], q=2-31, 200 kb/s, 90k tbn, 0.02 tbc
Metadata:
creation_time : 2013-07-22 00:01:41
handler_name : VideoHandler
Stream mapping:
Stream #0:0 -> #0:0 (h264 -> mjpeg)
Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height