【FFmpeg】ffplay 使用mjpeg格式播放usb摄像头

【目录】郭老二博文之:图像视频汇总

0、ffplay关于V4L2的相关参数

V4L2 indev AVOptions:
  -standard               .D...... set TV standard, used only by analog frame grabber
  -channel                   .D...... set TV channel, used only by frame grabber (from -1 to INT_MAX) (default -1)
  -video_size         .D...... set frame size
  -pixel_format           .D...... set preferred pixel format
  -input_format           .D...... set preferred pixel format (for raw video) or codec name
  -framerate              .D...... set frame rate
  -list_formats              .D...... list available formats and exit (from 0 to INT_MAX) (default 0)
     all                          .D...... show all available formats
   

你可能感兴趣的:(视频,音视频)