1.显示视频流帧类型
# ffprobe -show_frames -select_streams v test.mp4 | grep pict_type
pict_type=I
pict_type=P
pict_type=P
pict_type=P
pict_type=P
pict_type=P
pict_type=P
pict_type=P
pict_type=P
pict_type=P
pict_type=P
pict_type=P
pict_type=P
pict_type=P
pict_type=P
pict_type=P
pict_type=P
pict_type=P
pict_type=P
pict_type=P
pict_type=P
pict_type=P
pict_type=P
pict_type=P
pict_type=P
pict_type=P
pict_type=P
pict_type=P
pict_type=P
pict_type=P
pict_type=I
pict_type=P
2.显示是频流的dts
# ffprobe -show_frames -select_streams v test.mp4 | grep pkt_pts
pkt_pts=0
pkt_pts_time=0.000000
pkt_pts=57
pkt_pts_time=0.038000
pkt_pts=122
pkt_pts_time=0.081333
pkt_pts=188
pkt_pts_time=0.125333
pkt_pts=241
pkt_