#1839: the pts can not copy from transcode orig video file
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Reporter: lingjiujianke | Owner:
Type: defect | Status: new
Priority: normal | Component: FFmpeg
Version: git-master | Resolution:
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by lingjiujianke):
Replying to [comment:1 cehoyos]:
> Could you test curent git head? This may be fixed.
>
> If it is still reproducible, please post your command line together with
complete, uncut console output.
Hi cehoyos,
The problem is always there.
The command line input is :
./ffmpeg -y -ss 00:00:10.00 -t 20 -copyts -i kaka.mkv -strict experimental
-acodec aac -vcodec libx264 -r 15 -s 1280x720 -b:v 2000k -b:a 88k -ar
44100 -preset ultrafast -vprofile baseline -vlevel 1.0 -map 0:0 -map 0:1
-bsf h264_mp4toannexb -async 1 -f mpegts test-12.ts
complete output:
frame= 300 fps= 12 q=30.0 Lsize= 6469kB time=00:00:20.01
bitrate=2647.5kbits/s dup=135 drop=96
video:5880kB audio:75kB subtitle:0 global headers:0kB muxing overhead
8.624364%
[libx264 @ 0x1ba80e0] frame I:2 Avg QP:24.50 size:113392
[libx264 @ 0x1ba80e0] frame P:298 Avg QP:18.73 size: 19443
[libx264 @ 0x1ba80e0] mb I I16..4: 100.0% 0.0% 0.0%
[libx264 @ 0x1ba80e0] mb P I16..4: 8.1% 0.0% 0.0% P16..4: 40.5% 0.0%
0.0% 0.0% 0.0% skip:51.4%
[libx264 @ 0x1ba80e0] final ratefactor: 25.67
[libx264 @ 0x1ba80e0] coded y,uvDC,uvAC intra: 36.2% 37.3% 15.9% inter:
20.4% 12.1% 3.9%
[libx264 @ 0x1ba80e0] i16 v,h,dc,p: 34% 24% 26% 16%
[libx264 @ 0x1ba80e0] i8c dc,h,v,p: 52% 19% 22% 8%
[libx264 @ 0x1ba80e0] kb/s:2408.32
But when i use codec copy, the problem have fixed, perhaps i have use
error parameters?
Use command follow is no problem:
ffmpeg -y -ss 00:00:10.00 -t 20 -copyts -i kaka.mkv -scodec copy -vcodec
copy -acodec copy -bsf h264_mp4toannexb -f mpegts test-12.ts
complete output :
frame= 266 fps=0.0 q=-1.0 Lsize= 23300kB time=00:00:20.01
bitrate=9534.2kbits/s
video:19368kB audio:2018kB subtitle:0 global headers:0kB muxing overhead
8.948324%
I want to transcode change the video codec from other to H264/AVC, not
just only copyts.
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1839#comment:2>
FFmpeg <http://ffmpeg.org>
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