[Mp4-tech] closed caption

[Song]

Dear Ranjane,
I remember Closed caption is often inserted to picture_user_data section on MPEG2 Video. it didn't transfer as a single PID previously. I hope the information is useful for you.
Regards.
Song
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Subject: Mp4-tech Digest, Vol 52, Issue 19
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>   1. Re: MP4 File parser (Dave Singer)
>   2. closed caption  (Ranjane)
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> Message: 1
> Date: Wed, 28 Nov 2023 09:37:20 -0800
> From: Dave Singer <singer apple.com>
> Subject: Re: [Mp4-tech] MP4 File parser
> To: Sharanabasava Matmari <sbmatmari gmail.com>, Krzysztof Szczerba
> <krzysztof.szczerba gmail.com>
> Cc: mp4-tech lists.mpegif.org
> Message-ID: <p06240814c37357bbbc97@[17.202.35.52]>
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> At 8:35  +0530 28/11/07, Sharanabasava Matmari wrote:
>>Hello All,
>>  Can anyone let me know where can I get the open source code for MP4 
>>file parser and test vectors?
>>Regards,
>>Sharan
> 
> Reference software is available from mp4ra.org
> 
> Conformance files are available from ISO
> -- 
> David Singer
> Apple/QuickTime
> 
> ------------------------------
> 
> Message: 2
> Date: Thu, 29 Nov 2023 02:35:24 -0800 (PST)
> From: Ranjane <ranjane_s yahoo.com>
> Subject: [Mp4-tech] closed caption 
> To: mpeg <mp4-tech lists.mpegif.org>
> Message-ID: <157141.83521.qm web36107.mail.mud.yahoo.com>
> Content-Type: text/plain; charset="iso-8859-1"
> 
> Hello experts,
> we working on MPEG-2 Transport stream(h264 video + some audio).
>  how to add closed caption to the Transport stream.
>  I am not sure whether to add closed caption data as seperate stream.
>  what is the value for stream type if closed caption is added as seperate Pes packet.
>  which document we have to follow for implementing Closed Caption ?
>   
>  with thanks and regards,
>  Ranjane.R
>   
>   
>   
>   
>   
>    
> 
> 
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