[FFmpeg-devel] [FFmpeg-user] BUG in use of extradata and extradata_size with dvb subtitles and teletext

[JULIAN GARDNER]

>>OK, ive posted this here as requested,

>>
>>What is needed to get working in order to fix other things
>>
>>1. When creating a DVBSUBS encoder stream, need the extradata and extradata_size to have the associated values from the input source copied across if dvbsubs, if not dvbsubs then ths needs creating with the defailt values of 0x0001 0x0001. Pointers please as to where this should be done.
>>
>>2. The timeout value from the incoming dvbsubs needs to be taken into account in the ffmpeg transcode loop so if this expires a new subtitle packet is created with 0 objects, in essence a clear screen, BUT only when the timer expires
>>
>>joolz
>
>
>Can someone point me to the area i should be looking so i can fix one of the dvbsubs bugs.
>
>The problem is as follows
>
>mpegts->dvbsubs->(composition_page_Id,ancilllary_page_id)->COPY->dvbsub(0x0001,0x001)->pmt(0x0001,0x001)->mpegts
>
>What is happening is we are getting the 2 page_ids correctly but when we copy the pmt has the defaults 0x0001,0x0001. 
>
>Now i see a !osd->stream_copy in new_subtitle_stream in ffmpeg_opt.s but i cannot/dont know how to find the input that is tied to this so i can copy across the extradata from the input.
>
>Can someone help me on this.
> 


PING

Anybody able to help me on this?

All i need is some example, new code or a place in the current tree that will allow me to find the source extradata pointer so i can copy over the ids.

joolz