Extraction of Overlay Data from Video File

[PRADEEP NALAWADE]

Thanks for your reply.

I am new to the gstreamer. So can you please share how to overlay 
subtitles instead of textOverlay and how to extract the subtitles from 
the video.


On Friday 23 December 2016 01:05 PM, Krutskikh Ivan wrote:
> You can use subtitles
>
> 2016-12-23 10:11 GMT+03:00 PRADEEP NALAWADE 
> <pradeep.nalawade at funambolo.co.in 
> <mailto:pradeep.nalawade at funambolo.co.in>>:
>
>     Thanks for your reply.
>
>     Is there any other way to overlay text onto the video, so that it
>     can be extracted later from the video.
>
>
>     On Friday 23 December 2016 12:09 PM, 胡珩 wrote:
>>     i think you can't. because the text has became pixels mixed with
>>     video frames. why not backup the text before textoverlay?
>>
>>     At 2016-12-23 13:07:50, "PRADEEP NALAWADE"
>>     <pradeep.nalawade at funambolo.co.in>
>>     <mailto:pradeep.nalawade at funambolo.co.in> wrote:
>>
>>         Hi,
>>
>>         I am using the following command to overlay text onto the
>>         video and store it.
>>
>>         *gst-launch-1.0 -e imxv4l2videosrc ! textoverlay text="Video
>>         1" valignment=top halignment=left font-desc="Sans, 60" !
>>         timeoverlay ! vpuenc_h264 ! mp4mux ! filesink
>>         location=video_264.mp4*
>>
>>         Now I have to extract the overlay information from the stored
>>         video file. Is there any command available to extract the
>>         overlay information from the stored video.
>>
>>         Thanks & Best Regards,
>>
>>         Pradeep Nalawade
>>
>>
>>
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