On Thu, May 7, 2009 at 9:35 AM, Rusty Waters <[email protected]> wrote:
> Hi All,
>
> I am able to easily to decode only I-frames in MEPG-2 with avctx->skip_frame
> = AVDISCARD_NONKEY. When I use this flag for decoding H.264, all frames are
> decoded.
> Does anybody know what flags I have to set for H.264 to decode only I-frames.
> Is this feature
> broken in H.264?
>
> Thanks, Rusty
>
>
>
>
>
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>
How about something like
AVPacket pkt;
av_init_packet ( &pkt );
while ( av_read_frame(fmt_ctx, &pkt) >=0 )
{
if ( decode_keyonly && (pkt.flags & PKT_FLAG_KEY) == 0 )
continue;
// proceed with avcodec_decode_video
// ...
}
J.
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