[libav-bugs] [Bug 257] [mpegts @ 01f1ba00] Predefined SLConfigDescriptor not implemented.

bugzilla-daemon at aruru.libav.org bugzilla-daemon at aruru.libav.org
Wed Apr 11 02:41:43 CEST 2012


https://bugzilla.libav.org/show_bug.cgi?id=257

--- Comment #3 from Mark <mark_wil at y7mail.com> 2012-04-11 02:41:43 CEST ---
(In reply to comment #2)
> Unless the parsing is actually wrong and that feature does not really exist in
> your files, this looks like a feature request. Changing Importance to
> Normal/enhancement.


A search backward from ffmpeg-git-a4c22e3-win32-static (dated 2012-02-27) (not
extensive) revealed the problem is NOT in ffmpeg-0.7.1-win32-static,
ffmpeg-0.8-win32-static, ffmpeg-git-9c2651a-win32-static,
ffmpeg-git-276f43b-win32-static, ffmpeg-git-cbf914c-win32-static or
ffmpeg\ffmpeg-git-e403a97-win32-static.

I use Libav/FFmpeg to transcode the output from my PVR (Beyonwiz) to MPG for
editing priot to transcoding to other formats (AVI MP4 etc). This problem has
not raised its ugly head in the past. Versions of libavformat upto and
including libavformat 53.17.0 are GOOD. 

If changes to the code cause errors to appear with files that are fixed in
format then it is the code that is in error and this is NOT a FEATURE REQUEST
but a BUG FIX REQUEST (In my day it was, as an exmainframe programmer)

I have uploaded another testing file 0047.ts to "Data File Host" to allow you
to do further testing.

http://www.datafilehost.com/download-54c6c580.html

General
ID                                       : 15325 (0x3BDD)
Complete name                            : E:\Wiz\0047.ts
Format                                   : MPEG-TS
File size                                : 32.0 MiB
Duration                                 : 1mn 31s
Overall bit rate                         : 2 912 Kbps

Video
ID                                       : 68 (0x44)
Menu ID                                  : 1 (0x1)
Format                                   : AVC
Format/Info                              : Advanced Video Codec
Format profile                           : Main at L3.0
Format settings, CABAC                   : Yes
Format settings, ReFrames                : 3 frames
Format settings, GOP                     : M=3, N=24
Codec ID                                 : 27
Duration                                 : 1mn 31s
Width                                    : 720 pixels
Height                                   : 576 pixels
Display aspect ratio                     : 5:4
Frame rate                               : 25.000 fps
Standard                                 : PAL
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : Progressive
Language                                 : English
Color primaries                          : BT.601-6 525, BT.1358 525, BT.1700
NTSC, SMPTE 170M
Transfer characteristics                 : BT.601-6 525, BT.601-6 625, BT.1358
525, BT.1358 625, BT.1700 NTSC, SMPTE 170M
Matrix coefficients                      : BT.601-6 525, BT.1358 525, BT.1700
NTSC, SMPTE 170M

Audio
ID                                       : 69 (0x45)
Menu ID                                  : 1 (0x1)
Format                                   : AAC
Format/Info                              : Advanced Audio Codec
Format version                           : Version 2
Format profile                           : LC
Muxing mode                              : ADTS
Codec ID                                 : 15
Duration                                 : 1mn 31s
Bit rate mode                            : Variable / Variable / Variable
Minimum bit rate                         : 88.9 Kbps / 88.9 Kbps
Maximum bit rate                         : 107 Kbps / 107 Kbps
Channel(s)                               : 2 channels
Channel positions                        : Front: L R
Sampling rate                            : 48.0 KHz
Compression mode                         : Lossy
Delay relative to video                  : 78ms
Language                                 : English

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