[FFmpeg-devel] [RFC][PATCH] Windows Television (WTV) file system handling

[Peter Ross]

On Sun, Jan 09, 2011 at 11:39:00PM +0100, Aurelien Jacobs wrote:
> On Sun, Jan 09, 2011 at 05:21:20PM +1100, Peter Ross wrote:
> > Hi,
> > 
> > The Windows Television (WTV) file format is a more complex beast than
> > initially imagined.
> > 
> > [...]
> > 
> > * Meta data is parsed. While it is able to extract a thumbnail image, I
> >   have ifdef'd this out, as ffmpeg forbids image attachments using 
> >   AVMEDIA_TYPE_ATTACHMENT.
> 
> I'm not sure what you are talking about here. I don't know what ffmpeg
> forbids, but image attachments seems to work fine with this sample file:
> http://samples.mplayerhq.hu/Matroska/ticket-a_aac.mkv

My mistake. It is ffprobe that reports codec id mismatch error, e.g.

---
[matroska,webm @ 0x8be4fd0] max_analyze_duration reached
[matroska,webm @ 0x8be4fd0] Estimating duration from bitrate, this may be inaccurate
Input #0, matroska,webm, from 'ticket-a_aac.mkv':
  Metadata:
    title           : Un ticket pour l'espace
  Duration: 00:00:50.00, start: 0.000000, bitrate: N/A
    Chapter #0.0: start 0.000000, end 50.006000
    Metadata:
      title           : 01. G?n?rique de d?but
    Stream #0.0(fre): Video: h264, yuv420p, 688x288, PAR 36:37 DAR 86:37, 25 fps, 25 tbr, 1k tbn, 50 tbc
    Stream #0.1(fre): Audio: aac, 48000 Hz, 5.1, s16
    Stream #0.2: Attachment: mjpeg
    Metadata:
      filename        : Affiche du film.jpg
    Stream #0.3: Attachment: mjpeg
    Metadata:
      filename        : Cover DVD HD.jpg
    Stream #0.4: Attachment: [0][0][0][0] / 0x0000
    Metadata:
      filename        : tm.ttf
[mjpeg @ 0x8beca20] codec type or id mismatches
Error while opening codec for input stream 2
[mjpeg @ 0x8c1e310] codec type or id mismatches
Error while opening codec for input stream 3
---

It doesnt complain for stream #0.4 (ttf), only the jpeg ones.

-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 198 bytes
Desc: Digital signature
URL: <http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/attachments/20110110/1f13cad0/attachment.pgp>