[Libav-user] packet flag AV_PKT_FLAG_KEY

Don Moir donmoir at comcast.net
Sat Dec 14 02:35:35 CET 2013

----- Original Message ----- 
From: "Carl Eugen Hoyos" <cehoyos at ag.or.at>
To: <libav-user at ffmpeg.org>
Sent: Friday, December 13, 2013 7:54 PM
Subject: Re: [Libav-user] packet flag AV_PKT_FLAG_KEY

> Don Moir <donmoir at ...> writes:
>> >> Please provide samples for which AVDISCARD_NONKEY does
>> >> not work correctly (but remember that there are valid
>> >> H.264 streams for which it correctly discards all frames).
>> This sample CODEC_ID_VP6F seems to completely ignore AVDISCARD_NONKEY
>> This sample CODEC_ID_INDEO5 seems to ignore AVDISCARD_NONKEY as well.
> Sorry, I missed that the discard feature is not generic but 
> implemented for some codecs (like theora) but not others 
> like vp5/vp6 and indeo4/indeo5.

Is it flagged anywhere when it is not available for a codec? 

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