Re: [FFmpeg-trac] #10208(undetermined:new): Playback errors when converting PCM to AAC

[FFmpeg]

#10208: Playback errors when converting PCM to AAC
-+-
 Reporter:  David|Owner:  (none)
  Johansen   |
 Type:  defect   |   Status:  new
 Priority:  normal   |Component:
 |  undetermined
  Version:  5.1.2|   Resolution:
 Keywords:   |   Blocked By:
 Blocking:   |  Reproduced by developer:  0
Analyzed by developer:  0|
-+-
Comment (by David Johansen):

 It appears the issue is with the `twoloop` encoder and switching to `fast`
 avoids the problem when running with `ffmpeg` 5.1.2 but the warning about
 bit rate still happens unless a value is specified:
 `Too many bits 16384.00 > 6144 per frame requested, clamping to max`
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Re: [FFmpeg-trac] #10612(undetermined:new): ra_144 encoded in rm has no duration info

[FFmpeg]

#10612: ra_144 encoded in rm has no duration info
-+-
 Reporter:  ami_stuff|Owner:  (none)
 Type:  defect   |   Status:  new
 Priority:  normal   |Component:
 |  undetermined
  Version:  unspecified  |   Resolution:
 Keywords:   |   Blocked By:
 Blocking:   |  Reproduced by developer:  0
Analyzed by developer:  0|
-+-
Comment (by ami_stuff):

 regression since 53448461a7720afab0d1f1234af79573fd2e020d
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Re: [FFmpeg-trac] #10617(undetermined:new): Smacker's "height interlaced" flag not respected

[FFmpeg]

#10617: Smacker's "height interlaced" flag not respected
-+-
 Reporter:  Iritscen |Owner:  (none)
 Type:  defect   |   Status:  new
 Priority:  normal   |Component:
 |  undetermined
  Version:  unspecified  |   Resolution:
 Keywords:   |   Blocked By:
 Blocking:   |  Reproduced by developer:  0
Analyzed by developer:  0|
-+-
Comment (by Iritscen):

 Just wanted to note that the sample video had to be uploaded through the
 VideoLAN uploader because it was over 2.5MB. It's titled 01cr.smk.
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[FFmpeg-trac] #10617(undetermined:new): Smacker's "height interlaced" flag not respected

[FFmpeg]

#10617: Smacker's "height interlaced" flag not respected
-+-
 Reporter:  Iritscen | Type:  defect
   Status:  new  | Priority:  normal
Component:   |  Version:
  undetermined   |  unspecified
 Keywords:   |   Blocked By:
 Blocking:   |  Reproduced by developer:  0
Analyzed by developer:  0|
-+-
 For Smacker videos that were saved at "half-height" (every other row
 omitted), a flag should generally be present in the file telling the
 player to interlace black rows of pixels with the video to restore it to
 its full height. As it is now, playing (or transcoding with ffmpeg) a
 video that was encoded this way simply renders the existing rows of pixels
 and the video appears vertically smushed as a result.

 How to reproduce:
 {{{
 % ffplay some_interlaced_video.smk
 ffplay version 4.4.4 Copyright (c) 2003-2023 the FFmpeg developers
   built with Apple clang version 15.0.0 (clang-1500.0.40.1)
 }}}

 See attached screenshot of resulting frame of video from a cutscene for
 Myth: The Fallen Lords.

 Also see screenshot of RAD's Smacker Player. Note that it lets you play a
 video "as compressed" in order to respect how it was encoded to be played,
 or force interlacing (every other row black) or doubling (existing rows
 scaled vertically 2x). Presumably there's a flag for each of these
 choices, interlaced and doubled, in the Smacker video format, because when
 double-clicking a .smk, the Smacker Player automatically renders these
 "half-height" videos with interlacing. Will attach a sample video as well.
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Re: [FFmpeg-trac] #10617(undetermined:new): Smacker's "height interlaced" flag not respected

[FFmpeg]

#10617: Smacker's "height interlaced" flag not respected
-+-
 Reporter:  Iritscen |Owner:  (none)
 Type:  defect   |   Status:  new
 Priority:  normal   |Component:
 |  undetermined
  Version:  unspecified  |   Resolution:
 Keywords:   |   Blocked By:
 Blocking:   |  Reproduced by developer:  0
Analyzed by developer:  0|
-+-
Changes (by Iritscen):

 * Attachment "Smacker encoder.png" added.

 Screenshot of RAD's official Smacker Player
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Re: [FFmpeg-trac] #10617(undetermined:new): Smacker's "height interlaced" flag not respected

[FFmpeg]

#10617: Smacker's "height interlaced" flag not respected
-+-
 Reporter:  Iritscen |Owner:  (none)
 Type:  defect   |   Status:  new
 Priority:  normal   |Component:
 |  undetermined
  Version:  unspecified  |   Resolution:
 Keywords:   |   Blocked By:
 Blocking:   |  Reproduced by developer:  0
Analyzed by developer:  0|
-+-
Changes (by Iritscen):

 * Attachment "01cr still.jpg" added.

 Still frame from Smacker video meant to have interlacing
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Re: [FFmpeg-trac] #1178(avcodec:reopened): tiff enc: odd-sized yuv410p tiff image decodes in other apps with visible green dots

[FFmpeg]

#1178: tiff enc: odd-sized yuv410p tiff image decodes in other apps with visible
green dots
+
 Reporter:  ami_stuff   |Owner:  (none)
 Type:  defect  |   Status:  reopened
 Priority:  normal  |Component:  avcodec
  Version:  git-master  |   Resolution:
 Keywords:  tif |   Blocked By:
 Blocking:  |  Reproduced by developer:  1
Analyzed by developer:  0   |
+
Comment (by ami_stuff):

 this i'm not sure - could be a bug here or there
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Re: [FFmpeg-trac] #10616(avcodec:new): jpeg gray 12bpp: use gray12 pix_fmt for decoding 12bpp gray files

[FFmpeg]

#10616: jpeg gray 12bpp: use gray12 pix_fmt for decoding 12bpp gray files
-+---
 Reporter:  ami_stuff|Owner:  (none)
 Type:  defect   |   Status:  new
 Priority:  normal   |Component:  avcodec
  Version:  git-master   |   Resolution:
 Keywords:  mjpeg ljpeg  |   Blocked By:
 Blocking:   |  Reproduced by developer:  0
Analyzed by developer:  0|
-+---
Changes (by ami_stuff):

 * keywords:   => mjpeg ljpeg
 * version:  unspecified => git-master
 * component:  undetermined => avcodec

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[FFmpeg-trac] #10616(undetermined:new): jpeg gray 12bpp: use gray12 pix_fmt for decoding 12bpp gray files

[FFmpeg]

#10616: jpeg gray 12bpp: use gray12 pix_fmt for decoding 12bpp gray files
-+-
 Reporter:  ami_stuff| Type:  defect
   Status:  new  | Priority:  normal
Component:   |  Version:
  undetermined   |  unspecified
 Keywords:   |   Blocked By:
 Blocking:   |  Reproduced by developer:  0
Analyzed by developer:  0|
-+-
 lossy:

 https://trac.ffmpeg.org/raw-attachment/ticket/4683/12bpp.jpg

 lossless:

 https://trac.ffmpeg.org/raw-attachment/ticket/855/12_line.jpg


 also currently -vlowres does not work correctly with 12bpp gray lossy
 files


 {{{
 ./ffmpeg -i 12bpp.jpg -y out.bmp
 ffmpeg version N-112362-g4c422de1db Copyright (c) 2000-2023 the FFmpeg
 developers
   built with gcc 11 (Ubuntu 11.4.0-1ubuntu1~22.04)
   configuration:
   libavutil  58. 27.100 / 58. 27.100
   libavcodec 60. 30.101 / 60. 30.101
   libavformat60. 15.100 / 60. 15.100
   libavdevice60.  2.101 / 60.  2.101
   libavfilter 9. 11.100 /  9. 11.100
   libswscale  7.  4.100 /  7.  4.100
   libswresample   4. 11.100 /  4. 11.100
 Input #0, image2, from '12bpp.jpg':
   Duration: 00:00:00.04, start: 0.00, bitrate: 65308 kb/s
   Stream #0:0: Video: mjpeg (Sequential), gray16le(12 bpc,
 bt470bg/unknown/unknown), 999x749 [SAR 300:300 DAR 999:749], 25 fps, 25
 tbr, 25 tbn
 Stream mapping:
   Stream #0:0 -> #0:0 (mjpeg (native) -> bmp (native))
 Press [q] to stop, [?] for help
 Output #0, image2, to 'out.bmp':
   Metadata:
 encoder : Lavf60.15.100
   Stream #0:0: Video: bmp, gray(pc, bt470bg/unknown/unknown, progressive),
 999x749 [SAR 1:1 DAR 999:749], q=2-31, 200 kb/s, 25 fps, 25 tbn
 Metadata:
   encoder : Lavc60.30.101 bmp
 frame=0 fps=0.0 q=-0.0 size=   0kB time=00:00:00.00 bitrate=N/A
 speed=N/[image2 @ 0x55947d882f80] The specified filename 'out.bmp' does
 not contain an image sequence pattern or a pattern is invalid.
 [image2 @ 0x55947d882f80] Use a pattern such as %03d for an image sequence
 or use the -update option (with -frames:v 1 if needed) to write a single
 image.
 [out#0/image2 @ 0x55947d882e40] video:732kB audio:0kB subtitle:0kB other
 streams:0kB global headers:0kB muxing overhead: unknown
 frame=1 fps=0.0 q=-0.0 Lsize=N/A time=00:00:00.00 bitrate=N/A speed=
 0x
 }}}
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