[FFmpeg-user] subtitle update

JULIAN GARDNER joolzg at btinternet.com
Mon Aug 1 23:36:11 CEST 2011

>From: Thomas Kumlehn <thomas at pixelpartner.de>
>To: FFmpeg user questions and RTFMs <ffmpeg-user at ffmpeg.org>
>Sent: Monday, 1 August 2011, 22:13
>Subject: Re: [FFmpeg-user] subtitle update
>On the windows platform I worked with a combination of AviSynth and ffmpeg.
>AviSynth has established subtitle support and ffmpeg configured with --enable-avisynth can process these *.avs scripts.
>Just a hint, because I didn't do hard subs yet.
>Thomas Kumlehn
>Send from my iPad 3-D
>Am 30.07.2011 um 10:38 schrieb "Rick C." <rickcorteza at gmail.com>:
>> On Jul 30, 2011, at 2:59 PM, JULIAN GARDNER wrote:
>>> ----- Original Message -----
>>>> From: Rick C. <rickcorteza at gmail.com>
>>>> To: FFmpeg user questions and RTFMs <ffmpeg-user at ffmpeg.org>
>>>> Cc: 
>>>> Sent: Friday, 29 July 2011, 12:13
>>>> Subject: [FFmpeg-user] subtitle update
>>>> Hello,
>>>> I just wanted to see if there was any update to hard-coding subtitles (like 
>>>> .srt) into an encoding?  So let's say going from .mkv to .avi I would like 
>>>> to hard-code the subtitles in the .avi.  I tried to see if drawtext would do it 
>>>> and while I was able to get text to appear I didn't see any way to actually 
>>>> deal with an entire subtitle file.  I've seen some talking recently in the 
>>>> developer list about this that's why I thought I'd ask.  If there's 
>>>> something experimental I'd be glad to give it a try.  Thanks!
>>>> rc
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>>>> ffmpeg-user at ffmpeg.org
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>>> Iv been testing this for the last month and everything seems to be working fine, but there are some caveats
>>> 1, DVB Subtitles - Working
>>> 2. DIVX               - Working, and can be transcoded to either Hard Subs or DVB Subtitles
>>> 3. MKV                - Cant test as i cannot get ASS working
>>> 4. AVI/SRT/SUB - Problems are that the SRT/SUB file give the wrong Timestamp so they appear at the wrong place, As an example, the IDX says 2.26.880 but the sub file says it starts earlier. As the index file is not used i would need to add in some offsetting
>>> Also a couple of more things ive asked about but not had any answers/ideas is that when transcoding to DVB Subtitles and the screen is not a full 720x576, which is what DVB Subs wants, you get subtitles off screen, so not viewable
>>> joolz
>> Thank you for the reply.  So at this time it looks like this feature will be included in the future (there's no way to access this now that I know of).  That's great and all the best on this project! :-)
>> rc
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As stated before Hard Subs works, but there are come caveats.

If people can put up with it then ok, but what i dont want is to post a patch then have loads of reports of problems, which i already know about.



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