如题，出现以下情况：
frame=148318 fps= 60 q=-1.0 size= 4574251kB time=00:41:11.97 bitrate=15158.8kbits/s speed= 1x
frame=148348 fps= 60 q=-1.0 size= 4574251kB time=00:41:12.46 bitrate=15155.8kbits/s speed= 1x
frame=148383 fps= 60 q=-1.0 size= 4574251kB time=00:41:13.04 bitrate=15152.3kbits/s speed= 1x
frame=148410 fps= 60 q=-1.0 size= 4574251kB time=00:41:13.49 bitrate=15149.5kbits/s speed= 1x
frame=148443 fps= 60 q=-1.0 size= 4574251kB time=00:41:14.04 bitrate=15146.1kbits/s speed= 1x
frame=148473 fps= 60 q=-1.0 size= 4574251kB time=00:41:14.53 bitrate=15143.1kbits/s speed= 1x
[mp4 @ 0000000003d6fc40] Non-monotonous DTS in output stream 0:0; previous: 39596144, current: 39399872; changing to 39596145. This may result in incorrect timestamps in the output file.
[mp4 @ 0000000003d6fc40] Non-monotonous DTS in output stream 0:1; previous: 118788096, current: 118200336; changing to 118788097. This may result in incorrect timestamps in the output file.
frame=148488 fps= 60 q=-1.0 size= 4574251kB time=00:41:14.77 bitrate=15141.7kbits/s speed= 1x
[mp4 @ 0000000003d6fc40] Non-monotonous DTS in output stream 0:0; previous: 39596145, current: 39400144; changing to 39596146. This may result in incorrect timestamps in the output file.
[mp4 @ 0000000003d6fc40] Non-monotonous DTS in output stream 0:0; previous: 39596146, current: 39400400; changing to 39596147. This may result in incorrect timestamps in the output file.
[mp4 @ 0000000003d6fc40] pts has no value
DTS 4294341077, next:2477695954 st:0 invalid dropping
PTS 4294341077, next:2477695954 invalid dropping st:0
DTS 4294341088, next:2477623000 st:1 invalid dropping
PTS 4294341154, next:2477623000 invalid dropping st:1
[mp4 @ 0000000003d6fc40] pts has no value
DTS 4294341099, next:2477717287 st:0 invalid dropping
PTS 4294341099, next:2477717287 invalid dropping st:0
DTS 4294341105, next:2477639000 st:1 invalid dropping
PTS 4294341121, next:2477639000 invalid dropping st:1
如题，出现以下情况：
frame=148318 fps= 60 q=-1.0 size= 4574251kB time=00:41:11.97 bitrate=15158.8kbits/s speed= 1x
frame=148348 fps= 60 q=-1.0 size= 4574251kB time=00:41:12.46 bitrate=15155.8kbits/s speed= 1x
frame=148383 fps= 60 q=-1.0 size= 4574251kB time=00:41:13.04 bitrate=15152.3kbits/s speed= 1x
frame=148410 fps= 60 q=-1.0 size= 4574251kB time=00:41:13.49 bitrate=15149.5kbits/s speed= 1x
frame=148443 fps= 60 q=-1.0 size= 4574251kB time=00:41:14.04 bitrate=15146.1kbits/s speed= 1x
frame=148473 fps= 60 q=-1.0 size= 4574251kB time=00:41:14.53 bitrate=15143.1kbits/s speed= 1x
[mp4 @ 0000000003d6fc40] Non-monotonous DTS in output stream 0:0; previous: 39596144, current: 39399872; changing to 39596145. This may result in incorrect timestamps in the output file.
[mp4 @ 0000000003d6fc40] Non-monotonous DTS in output stream 0:1; previous: 118788096, current: 118200336; changing to 118788097. This may result in incorrect timestamps in the output file.
frame=148488 fps= 60 q=-1.0 size= 4574251kB time=00:41:14.77 bitrate=15141.7kbits/s speed= 1x
[mp4 @ 0000000003d6fc40] Non-monotonous DTS in output stream 0:0; previous: 39596145, current: 39400144; changing to 39596146. This may result in incorrect timestamps in the output file.
[mp4 @ 0000000003d6fc40] Non-monotonous DTS in output stream 0:0; previous: 39596146, current: 39400400; changing to 39596147. This may result in incorrect timestamps in the output file.
[mp4 @ 0000000003d6fc40] pts has no value
DTS 4294341077, next:2477695954 st:0 invalid dropping
PTS 4294341077, next:2477695954 invalid dropping st:0
DTS 4294341088, next:2477623000 st:1 invalid dropping
PTS 4294341154, next:2477623000 invalid dropping st:1
[mp4 @ 0000000003d6fc40] pts has no value
DTS 4294341099, next:2477717287 st:0 invalid dropping
PTS 4294341099, next:2477717287 invalid dropping st:0
DTS 4294341105, next:2477639000 st:1 invalid dropping
PTS 4294341121, next:2477639000 invalid dropping st:1