[mythtv-commits] Ticket #12546: Captions not recognized in MPEG-4 recordings (was: Captions not recognized in MP4 recordings)
MythTV
noreply at mythtv.org
Thu Dec 3 20:36:50 UTC 2015
#12546: Captions not recognized in MPEG-4 recordings
--------------------------------+------------------------
Reporter: gravityhammer@… | Owner:
Type: Patch - Feature | Status: new
Priority: minor | Milestone: 0.28
Component: 3rd Party - FFMPEG | Version: 0.27.5
Severity: medium | Resolution:
Keywords: MPEG-4 captions | Ticket locked: 0
--------------------------------+------------------------
Changes (by dekarl):
* status: assigned => new
* component: MythTV - General => 3rd Party - FFMPEG
* owner: jpoet =>
* keywords: MP4 captions => MPEG-4 captions
* type: Bug Report - General => Patch - Feature
Old description:
> Comcast recently moved to MP4 encoding on many channels here, and Myth is
> unable to recognize that there are captions in the file. VLC plays the
> captions.
>
> From mediainfo:
> Text #1
> ID : 4268 (0x10AC)-CC1
> Menu ID : 1 (0x1)
> Format : EIA-608
> Muxing mode : SCTE 128 / DTVCC Transport
> Muxing mode, more info : Muxed in Video #1
> Duration : 1h 2mn
> Bit rate mode : Constant
> Stream size : 0.00 Byte (0%)
>
> Text #2
> ID : 4268 (0x10AC)-1
> Menu ID : 1 (0x1)
> Format : EIA-708
> Muxing mode : SCTE 128 / DTVCC Transport
> Muxing mode, more info : Muxed in Video #1
> Duration : 1h 2mn
> Bit rate mode : Constant
> Stream size : 0.00 Byte (0%)
>
> Text #3
> ID : 4268 (0x10AC)-2
> Menu ID : 1 (0x1)
> Format : EIA-708
> Muxing mode : SCTE 128 / DTVCC Transport
> Muxing mode, more info : Muxed in Video #1
> Duration : 1h 2mn
> Bit rate mode : Constant
> Stream size : 0.00 Byte (0%)
>
> A clip of a problematic recording is here:
> http://www.filetolink.com/4bd9ced67e
>
> mythbackend --version
> Please attach all output as a file in bug reports.
> MythTV Version : 68e51d6fd4fa25e985b21cb3a5b5ca6fce9aca9d
> MythTV Branch : fixes/0.27
> Network Protocol : 77
> Library API : 0.27.20151025-1
> QT Version : 4.8.5
> Options compiled in:
> linux release use_hidesyms using_alsa using_oss using_backend
> using_bindings_python using_bindings_php using_frontend using_hdhomerun
> using_ceton using_hdpvr using_ivtv using_libcrypto using_libfftw3
> using_libxml2 using_libudf using_mheg using_opengl using_opengl_video
> using_qtwebkit using_qtscript using_qtdbus using_taglib using_v4l2
> using_x11 using_xrandr using_xv using_mythlogserver using_bindings_python
> using_bindings_php using_mythtranscode using_opengl using_vdpau
> using_ffmpeg_threads using_mheg using_libxml2 using_libudf
New description:
Comcast recently moved to MPEG-4 encoding on many channels here, and Myth
is unable to recognize that there are captions in the file. VLC plays the
captions.
From mediainfo:
Text #1
ID : 4268 (0x10AC)-CC1
Menu ID : 1 (0x1)
Format : EIA-608
Muxing mode : SCTE 128 / DTVCC Transport
Muxing mode, more info : Muxed in Video #1
Duration : 1h 2mn
Bit rate mode : Constant
Stream size : 0.00 Byte (0%)
Text #2
ID : 4268 (0x10AC)-1
Menu ID : 1 (0x1)
Format : EIA-708
Muxing mode : SCTE 128 / DTVCC Transport
Muxing mode, more info : Muxed in Video #1
Duration : 1h 2mn
Bit rate mode : Constant
Stream size : 0.00 Byte (0%)
Text #3
ID : 4268 (0x10AC)-2
Menu ID : 1 (0x1)
Format : EIA-708
Muxing mode : SCTE 128 / DTVCC Transport
Muxing mode, more info : Muxed in Video #1
Duration : 1h 2mn
Bit rate mode : Constant
Stream size : 0.00 Byte (0%)
A clip of a problematic recording is here:
http://www.filetolink.com/4bd9ced67e
mythbackend --version
Please attach all output as a file in bug reports.
MythTV Version : 68e51d6fd4fa25e985b21cb3a5b5ca6fce9aca9d
MythTV Branch : fixes/0.27
Network Protocol : 77
Library API : 0.27.20151025-1
QT Version : 4.8.5
Options compiled in:
linux release use_hidesyms using_alsa using_oss using_backend
using_bindings_python using_bindings_php using_frontend using_hdhomerun
using_ceton using_hdpvr using_ivtv using_libcrypto using_libfftw3
using_libxml2 using_libudf using_mheg using_opengl using_opengl_video
using_qtwebkit using_qtscript using_qtdbus using_taglib using_v4l2
using_x11 using_xrandr using_xv using_mythlogserver using_bindings_python
using_bindings_php using_mythtranscode using_opengl using_vdpau
using_ffmpeg_threads using_mheg using_libxml2 using_libudf
--
Comment:
Unassigning as per http://lists.mythtv.org/pipermail/mythtv-
users/2015-November/383200.html
This feature patch against FFmpeg needs someone who adopts it and submits
it upstream. Then it'll land in MythTV with the next FFmpeg sync.
Any volunteers?
--
Ticket URL: <https://code.mythtv.org/trac/ticket/12546#comment:10>
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