[FFmpeg-user] Draw original timecode on the output file

[Ivaylo Spasov]

How to do that?

On Fri, Sep 27, 2013 at 11:30 AM, Paul B Mahol <onemda at gmail.com> wrote:
> On 9/27/13, Ivaylo Spasov <ivaylo.pif at gmail.com> wrote:
>> On Fri, Sep 27, 2013 at 10:24 AM, Carl Eugen Hoyos <cehoyos at ag.or.at>
>> wrote:
>>> avi does not store pts, so depending on your use case
>>> you may want to replace pts with dts in your command
>>> line.
>>>
>>> Carl Eugen
>>
>> When I replace pts with dts in the following command
>>
>> ffmpeg -i input.avi -vsync passthrough -copyts -copytb 1 -vf
>> "scale=480:-1,drawtext=fontsize=18:fontfile=/usr/share/fonts/truetype/ttf-dejavu/DejaVuSansMono-Bold.ttf:box=1:text='%{dts}':x=(w-text_w-5):y=(h-text_h-5)"
>> -c:v libx264 -preset ultrafast -threads 2 -crf 28 -c:a libfdk_aac -ac
>> 2 RY.mp4
>>
>> I get many times the following error:
>>
>> [Parsed_drawtext_1 @ 0x988d520] %{dts} is not known
>>     Last message repeated 31 times
>> [Parsed_drawtext_1 @ 0x988d520] %{dts} is not known00:03.28
>> bitrate=1662.8kbits/s
>>     Last message repeated 85 times
>>
>>
>> and in the output file there is only the word "dts" printed, not
>> numbers of anykind. Do you know what is the reason for that?
>
> Because 'dts' is not mentioned in drawtext filter documentation.
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