Opened 4 years ago

Closed 3 years ago

#1839 closed defect (needs_more_info)

the pts can not copy from transcode orig video file

Reported by: lingjiujianke Owned by:
Priority: normal Component: undetermined
Version: git-master Keywords:
Cc: lingjiujianke@gmail.com Blocked By:
Blocking: Reproduced by developer: no
Analyzed by developer: no

Description

Summary of the bug:
How to reproduce:

% ffmpeg -v debug -y -i input.mkv -strict -2 -ss 00:00:10.00 -t 00:00:10.00 -acodec aac -vcodec libx264 -map 0:0 -map 0:1  -pix_fmt yuv420p -b:v 2000k  -b:a 192k -ar 44100 -preset ultrafast -vprofile main -vlevel 3.1 -window_size hd720 -v debug -mpegts_copyts 1 -async 1 -f mpegts -bsf h264_mp4toannexb  output.ts
ffmpeg git-master
built on ...

I have used the copyts  mpegts_copyts, the output.ts  start time always from 0s
I wish the start time from time -ss

the ffprobe -show_packets output.ts is attached

who can upload the patch
thanks

Attachments (1)

show_packets (152.0 KB) - added by lingjiujianke 4 years ago.
show packets result

Download all attachments as: .zip

Change History (9)

Changed 4 years ago by lingjiujianke

show packets result

comment:1 follow-up: Changed 4 years ago by 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.

comment:2 in reply to: ↑ 1 Changed 4 years ago by lingjiujianke

Replying to 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.

comment:3 follow-up: Changed 4 years ago by cehoyos

To make this a valid ticket, please post the command line you used together with complete, uncut console output (so far you have posted a very small part of the console output).

comment:4 in reply to: ↑ 3 Changed 4 years ago by lingjiujianke

Replying to cehoyos:

To make this a valid ticket, please post the command line you used together with complete, uncut console output (so far you have posted a very small part of the console output).

Hi cehoyos,
command line is :

./ffmpeg -y -ss 00:00:10.00 -t 10  -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 -copyts -bsf h264_mp4toannexb -vsync 1 -f mpegts  test-12.ts

console output:

Input #0, matroska,webm, from 'kaka.mkv':
  Metadata:
    creation_time   : 2009-10-07 15:23:35
  Duration: 00:01:02.44, start: 0.000000, bitrate: 13589 kb/s
    Stream #0:0(eng): Video: h264 (High), yuv420p, 1920x796, SAR 1:1 DAR 480:199, 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc (default)
    Metadata:
      title           : Transformers.Revenge.of.the.Fallen.2009
    Stream #0:1(eng): Audio: dts (DTS), 48000 Hz, 5.1(side), fltp, 1536 kb/s (default)
    Metadata:
      title           : DTS-HDMA core 1536k
    Stream #0:2(chi): Audio: ac3, 48000 Hz, stereo, s16, 192 kb/s
    Metadata:
      title           : DD2.0 192K
    Stream #0:3(eng): Audio: ac3, 48000 Hz, stereo, s16, 224 kb/s
    Metadata:
      title           : DD2.0 224K
-t is not an input option, keeping it for the next output; consider fixing your command line.
[libx264 @ 0x29bd0e0] using SAR=270/199
[libx264 @ 0x29bd0e0] frame MB size (80x45) > level limit (99)
[libx264 @ 0x29bd0e0] DPB size (1 frames, 1382400 bytes) > level limit (0 frames, 152064 bytes)
[libx264 @ 0x29bd0e0] MB rate (54000) > level limit (1485)
[libx264 @ 0x29bd0e0] using cpu capabilities: none!
[libx264 @ 0x29bd0e0] profile Constrained Baseline, level 1.0
Output #0, mpegts, to 'test-12.ts':
  Metadata:
    encoder         : Lavf54.37.100
    Stream #0:0(eng): Video: h264, yuv420p, 1280x720 [SAR 270:199 DAR 480:199], q=-1--1, 2000 kb/s, 90k tbn, 15 tbc (default)
    Metadata:
      title           : Transformers.Revenge.of.the.Fallen.2009
    Stream #0:1(eng): Audio: aac, 44100 Hz, 5.1(side), fltp, 88 kb/s (default)
    Metadata:
      title           : DTS-HDMA core 1536k
Stream mapping:
  Stream #0:0 -> #0:0 (h264 -> libx264)
  Stream #0:1 -> #0:1 (dca -> aac)
Press [q] to stop, [?] for help
[aac @ 0x29adfc0] Que input is backward in time
[mpegts @ 0x29bc7c0] st:0 PTS: -70486 DTS: -70486 < -69123 invalid, clipping
Que input is backward in timee=       0kB time=00:00:00.00 bitrate=   0.0kbits/s dup=0 drop=19
[mpegts @ 0x29bc7c0] st:0 PTS: -19400 DTS: -19400 < -18938 invalid, clipping
[adts @ 0x30ece20] Encoder did not produce proper pts, making some up.
Que input is backward in timeze=     515kB time=00:00:02.00 bitrate=2109.4kbits/s dup=0 drop=40
[mpegts @ 0x29bc7c0] st:0 PTS: 189594 DTS: 189594 < 190099 invalid, clipping
Que input is backward in timeze=     977kB time=00:00:03.53 bitrate=2266.2kbits/s dup=0 drop=54
[mpegts @ 0x29bc7c0] st:0 PTS: 330694 DTS: 330694 < 332146 invalid, clipping
Que input is backward in timeze=    1245kB time=00:00:04.46 bitrate=2283.9kbits/s dup=0 drop=61
[mpegts @ 0x29bc7c0] st:0 PTS: 407241 DTS: 407241 < 411617 invalid, clipping
[mpegts @ 0x29bc7c0] st:0 PTS: 409255 DTS: 409255 < 411618 invalid, clipping
[mpegts @ 0x29bc7c0] st:0 PTS: 411227 DTS: 411227 < 411619 invalid, clipping
Que input is backward in timeze=    1573kB time=00:00:05.80 bitrate=2221.3kbits/s dup=0 drop=73
[mpegts @ 0x29bc7c0] st:0 PTS: 515800 DTS: 515800 < 518197 invalid, clipping
[mpegts @ 0x29bc7c0] st:0 PTS: 517816 DTS: 517816 < 518198 invalid, clipping
Que input is backward in timeze=    1883kB time=00:00:06.60 bitrate=2337.6kbits/s dup=0 drop=81
[mpegts @ 0x29bc7c0] st:0 PTS: 587939 DTS: 587939 < 591281 invalid, clipping
[mpegts @ 0x29bc7c0] st:0 PTS: 589908 DTS: 589908 < 591282 invalid, clipping
Que input is backward in timeze=    2546kB time=00:00:08.66 bitrate=2406.5kbits/s dup=0 drop=99
[mpegts @ 0x29bc7c0] st:0 PTS: 794739 DTS: 794739 < 798140 invalid, clipping
[mpegts @ 0x29bc7c0] st:0 PTS: 796708 DTS: 796708 < 798141 invalid, clipping
Que input is backward in timeze=    2766kB time=00:00:09.60 bitrate=2360.0kbits/s dup=0 drop=108
[mpegts @ 0x29bc7c0] st:0 PTS: 866751 DTS: 866751 < 869162 invalid, clipping
[mpegts @ 0x29bc7c0] st:0 PTS: 868720 DTS: 868720 < 869163 invalid, clipping
frame=  150 fps=7.9 q=30.0 Lsize=    2942kB time=00:00:10.00 bitrate=2407.9kbits/s dup=0 drop=111
video:2638kB audio:67kB subtitle:0 global headers:0kB muxing overhead 8.756399%
[libx264 @ 0x29bd0e0] frame I:1     Avg QP:23.00  size: 78607
[libx264 @ 0x29bd0e0] frame P:149   Avg QP:27.71  size: 17599
[libx264 @ 0x29bd0e0] mb I  I16..4: 100.0%  0.0%  0.0%
[libx264 @ 0x29bd0e0] mb P  I16..4: 14.4%  0.0%  0.0%  P16..4: 39.9%  0.0%  0.0%  0.0%  0.0%    skip:45.7%
[libx264 @ 0x29bd0e0] final ratefactor: 28.14
[libx264 @ 0x29bd0e0] coded y,uvDC,uvAC intra: 32.1% 33.9% 12.2% inter: 21.1% 12.3% 0.8%
[libx264 @ 0x29bd0e0] i16 v,h,dc,p: 37% 24% 24% 16%
[libx264 @ 0x29bd0e0] i8c dc,h,v,p: 53% 18% 21%  7%
[libx264 @ 0x29bd0e0] kb/s:2160.68




When i use command line:
ffmpeg -i test-12.ts

console output :

[mpegts @ 0x278f240] max_analyze_duration 5000000 reached at 5013600
Input #0, mpegts, from 'test-12.ts':
  Duration: 00:00:10.97, start: 0.362811, bitrate: 2196 kb/s
  Program 1
    Metadata:
      service_name    : Service01
      service_provider: FFmpeg
    Stream #0:0[0x100]: Video: h264 (Constrained Baseline) ([27][0][0][0] / 0x001B), yuv420p, 1280x720 [SAR 270:199 DAR 480:199], 15 fps, 15 tbr, 90k tbn, 30 tbc
    Stream #0:1[0x101](eng): Audio: aac ([15][0][0][0] / 0x000F), 44100 Hz, 5.1, s16, 45 kb/s

Thanks

Version 1, edited 4 years ago by cehoyos (previous) (next) (diff)

comment:5 follow-up: Changed 4 years ago by cehoyos

To make this a valid ticket, please post the command line you used together with complete, uncut console output.

Please do not post a part of the console output, it usually does not help.

comment:6 in reply to: ↑ 5 Changed 4 years ago by lingjiujianke

Replying to cehoyos:

To make this a valid ticket, please post the command line you used together with complete, uncut console output.

Please do not post a part of the console output, it usually does not help.

Hi cehoyos:

I input:

./ffmpeg -y -ss 00:00:10.00 -t 20  -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 -copyts -bsf h264_mp4toannexb -vsync 1 -f mpegts  test-12.ts

all the console output:

ffmpeg version N-46881-g45d8537 Copyright (c) 2000-2012 the FFmpeg developers
  built on Nov 19 2012 17:53:01 with gcc 4.4.4 (GCC) 20100726 (Red Hat 4.4.4-13)
  configuration: --enable-libx264 --enable-gpl --disable-yasm --libdir=/usr/local/lib --enable-debug --enable-debug=3 --enable-avfilter --disable-stripping
  libavutil      52.  8.100 / 52.  8.100
  libavcodec     54. 73.100 / 54. 73.100
  libavformat    54. 37.100 / 54. 37.100
  libavdevice    54.  3.100 / 54.  3.100
  libavfilter     3. 23.101 /  3. 23.101
  libswscale      2.  1.102 /  2.  1.102
  libswresample   0. 16.100 /  0. 16.100
  libpostproc    52.  2.100 / 52.  2.100
Input #0, matroska,webm, from 'kaka.mkv':
  Metadata:
    creation_time   : 2009-10-07 15:23:35
  Duration: 00:01:02.44, start: 0.000000, bitrate: 13589 kb/s
    Stream #0:0(eng): Video: h264 (High), yuv420p, 1920x796, SAR 1:1 DAR 480:199, 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc (default)
    Metadata:
      title           : Transformers.Revenge.of.the.Fallen.2009
    Stream #0:1(eng): Audio: dts (DTS), 48000 Hz, 5.1(side), fltp, 1536 kb/s (default)
    Metadata:
      title           : DTS-HDMA core 1536k
    Stream #0:2(chi): Audio: ac3, 48000 Hz, stereo, s16, 192 kb/s
    Metadata:
      title           : DD2.0 192K
    Stream #0:3(eng): Audio: ac3, 48000 Hz, stereo, s16, 224 kb/s
    Metadata:
      title           : DD2.0 224K
-t is not an input option, keeping it for the next output; consider fixing your command line.
[libx264 @ 0x25480e0] using SAR=270/199
[libx264 @ 0x25480e0] frame MB size (80x45) > level limit (99)
[libx264 @ 0x25480e0] DPB size (1 frames, 1382400 bytes) > level limit (0 frames, 152064 bytes)
[libx264 @ 0x25480e0] MB rate (54000) > level limit (1485)
[libx264 @ 0x25480e0] using cpu capabilities: none!
[libx264 @ 0x25480e0] profile Constrained Baseline, level 1.0
Output #0, mpegts, to 'test-12.ts':
  Metadata:
    encoder         : Lavf54.37.100
    Stream #0:0(eng): Video: h264, yuv420p, 1280x720 [SAR 270:199 DAR 480:199], q=-1--1, 2000 kb/s, 90k tbn, 15 tbc (default)
    Metadata:
      title           : Transformers.Revenge.of.the.Fallen.2009
    Stream #0:1(eng): Audio: aac, 44100 Hz, 5.1(side), fltp, 88 kb/s (default)
    Metadata:
      title           : DTS-HDMA core 1536k
Stream mapping:
  Stream #0:0 -> #0:0 (h264 -> libx264)
  Stream #0:1 -> #0:1 (dca -> aac)
Press [q] to stop, [?] for help
[aac @ 0x2538fc0] Que input is backward in time
[mpegts @ 0x25477c0] st:0 PTS: -70486 DTS: -70486 < -69123 invalid, clipping
Que input is backward in timee=       0kB time=00:00:00.00 bitrate=   0.0kbits/s dup=0 drop=19
[mpegts @ 0x25477c0] st:0 PTS: -19400 DTS: -19400 < -18938 invalid, clipping
[adts @ 0x2c77e20] Encoder did not produce proper pts, making some up.
Que input is backward in timeze=     515kB time=00:00:02.00 bitrate=2109.4kbits/s dup=0 drop=40
[mpegts @ 0x25477c0] st:0 PTS: 189594 DTS: 189594 < 190099 invalid, clipping
Que input is backward in timeze=     950kB time=00:00:03.46 bitrate=2243.9kbits/s dup=0 drop=53
st:0 PTS: 330694 DTS: 330694 < 332146 invalid, clipping3.80 bitrate=2272.2kbits/s dup=0 drop=56
Que input is backward in timeze=    1242kB time=00:00:04.40 bitrate=2313.1kbits/s dup=0 drop=61
[mpegts @ 0x25477c0] st:0 PTS: 407241 DTS: 407241 < 411617 invalid, clipping
[mpegts @ 0x25477c0] st:0 PTS: 409255 DTS: 409255 < 411618 invalid, clipping
st:0 PTS: 411227 DTS: 411227 < 411619 invalid, clipping4.66 bitrate=2279.5kbits/s dup=0 drop=63
Que input is backward in timeze=    1573kB time=00:00:05.80 bitrate=2221.3kbits/s dup=0 drop=74
[mpegts @ 0x25477c0] st:0 PTS: 515800 DTS: 515800 < 518197 invalid, clipping
[mpegts @ 0x25477c0] st:0 PTS: 517816 DTS: 517816 < 518198 invalid, clipping
Que input is backward in timeze=    1770kB time=00:00:06.40 bitrate=2265.2kbits/s dup=0 drop=79
st:0 PTS: 587939 DTS: 587939 < 591281 invalid, clipping6.66 bitrate=2349.4kbits/s dup=0 drop=82
[mpegts @ 0x25477c0] st:0 PTS: 589908 DTS: 589908 < 591282 invalid, clipping
Que input is backward in timeze=    2546kB time=00:00:08.66 bitrate=2406.5kbits/s dup=0 drop=99
[mpegts @ 0x25477c0] st:0 PTS: 794739 DTS: 794739 < 798140 invalid, clipping
[mpegts @ 0x25477c0] st:0 PTS: 796708 DTS: 796708 < 798141 invalid, clipping
Que input is backward in timeze=    2766kB time=00:00:09.60 bitrate=2360.0kbits/s dup=0 drop=108
[mpegts @ 0x25477c0] st:0 PTS: 866751 DTS: 866751 < 869162 invalid, clipping
[mpegts @ 0x25477c0] st:0 PTS: 868720 DTS: 868720 < 869163 invalid, clipping
Que input is backward in timeze=    2974kB time=00:00:10.20 bitrate=2388.3kbits/s dup=0 drop=113
[mpegts @ 0x25477c0] st:0 PTS: 914878 DTS: 914878 < 917289 invalid, clipping
[mpegts @ 0x25477c0] st:0 PTS: 916847 DTS: 916847 < 917290 invalid, clipping
Que input is backward in timeze=    3167kB time=00:00:10.80 bitrate=2402.4kbits/s dup=0 drop=118
[mpegts @ 0x25477c0] st:0 PTS: 970386 DTS: 970386 < 973772 invalid, clipping
[mpegts @ 0x25477c0] st:0 PTS: 972341 DTS: 972341 < 973773 invalid, clipping
Que input is backward in timeze=    3592kB time=00:00:12.26 bitrate=2399.1kbits/s dup=0 drop=132
[mpegts @ 0x25477c0] st:0 PTS: 1116671 DTS: 1116671 < 1120058 invalid, clipping
[mpegts @ 0x25477c0] st:0 PTS: 1118688 DTS: 1118688 < 1120059 invalid, clipping
Que input is backward in timeze=    4002kB time=00:00:13.73 bitrate=2387.4kbits/s dup=0 drop=145
[mpegts @ 0x25477c0] st:0 PTS: 1242820 DTS: 1242820 < 1243325 invalid, clipping
Que input is backward in timeze=    4156kB time=00:00:14.33 bitrate=2375.4kbits/s dup=0 drop=151
[mpegts @ 0x25477c0] st:0 PTS: 1300373 DTS: 1300373 < 1301870 invalid, clipping
Que input is backward in timeze=    4634kB time=00:00:16.73 bitrate=2268.9kbits/s dup=0 drop=171
[mpegts @ 0x25477c0] st:0 PTS: 1500190 DTS: 1500190 < 1504521 invalid, clipping
[mpegts @ 0x25477c0] st:0 PTS: 1502159 DTS: 1502159 < 1504522 invalid, clipping
[mpegts @ 0x25477c0] st:0 PTS: 1504069 DTS: 1504069 < 1504523 invalid, clipping
Que input is backward in timeze=    5166kB time=00:00:18.60 bitrate=2275.2kbits/s dup=0 drop=189
[mpegts @ 0x25477c0] st:0 PTS: 1682978 DTS: 1682978 < 1686362 invalid, clipping
[mpegts @ 0x25477c0] st:0 PTS: 1684992 DTS: 1684992 < 1686363 invalid, clipping
frame=  300 fps=8.1 q=29.0 Lsize=    5591kB time=00:00:20.01 bitrate=2288.0kbits/s dup=0 drop=201
video:5011kB audio:129kB subtitle:0 global headers:0kB muxing overhead 8.783942%
[libx264 @ 0x25480e0] frame I:2     Avg QP:24.50  size: 81238
[libx264 @ 0x25480e0] frame P:298   Avg QP:28.63  size: 16672
[libx264 @ 0x25480e0] mb I  I16..4: 100.0%  0.0%  0.0%
[libx264 @ 0x25480e0] mb P  I16..4: 10.1%  0.0%  0.0%  P16..4: 41.5%  0.0%  0.0%  0.0%  0.0%    skip:48.4%
[libx264 @ 0x25480e0] final ratefactor: 28.51
[libx264 @ 0x25480e0] coded y,uvDC,uvAC intra: 35.5% 36.0% 14.1% inter: 20.4% 10.5% 0.5%
[libx264 @ 0x25480e0] i16 v,h,dc,p: 34% 24% 27% 15%
[libx264 @ 0x25480e0] i8c dc,h,v,p: 53% 20% 20%  7%
[libx264 @ 0x25480e0] kb/s:2052.30

to see the start time
I input:

ffmpeg -i test-12.ts

all the console output:

ffmpeg version N-46881-g45d8537 Copyright (c) 2000-2012 the FFmpeg developers
  built on Nov 19 2012 17:53:01 with gcc 4.4.4 (GCC) 20100726 (Red Hat 4.4.4-13)
  configuration: --enable-libx264 --enable-gpl --disable-yasm --libdir=/usr/local/lib --enable-debug --enable-debug=3 --enable-avfilter --disable-stripping
  libavutil      52.  8.100 / 52.  8.100
  libavcodec     54. 73.100 / 54. 73.100
  libavformat    54. 37.100 / 54. 37.100
  libavdevice    54.  3.100 / 54.  3.100
  libavfilter     3. 23.101 /  3. 23.101
  libswscale      2.  1.102 /  2.  1.102
  libswresample   0. 16.100 /  0. 16.100
  libpostproc    52.  2.100 / 52.  2.100
[mpegts @ 0x1f8f240] max_analyze_duration 5000000 reached at 5013600
Input #0, mpegts, from 'test-12.ts':
  Duration: 00:00:20.97, start: 0.362811, bitrate: 2184 kb/s
  Program 1
    Metadata:
      service_name    : Service01
      service_provider: FFmpeg
    Stream #0:0[0x100]: Video: h264 (Constrained Baseline) ([27][0][0][0] / 0x001B), yuv420p, 1280x720 [SAR 270:199 DAR 480:199], 15 fps, 15 tbr, 90k tbn, 30 tbc
    Stream #0:1[0x101](eng): Audio: aac ([15][0][0][0] / 0x000F), 44100 Hz, 5.1, s16, 45 kb/s
At least one output file must be specified

All of the console have no other message,
What message can i input?

Last edited 4 years ago by cehoyos (previous) (diff)

comment:7 Changed 4 years ago by cehoyos

What is wrong with the start time of test-12.ts ?
Afaik, mpeg transport streams are allowed to have arbitrary start times.

comment:8 Changed 3 years ago by cehoyos

  • Component changed from FFmpeg to undetermined
  • Resolution set to needs_more_info
  • Status changed from new to closed

Please reopen this ticket if you can explain what is wrong with the output file test-12.ts

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