[FFmpeg-devel] [PATCH 1/3] avcodec/nvenc: Fix b-frame parameter handling

[Timo Rothenpieler]

>> +    /* 0 is intra-only, 1 is I/P only, 2 is one B Frame, 3 two B frames, and so on. */
>> +    ctx->encode_config.frameIntervalP = avctx->max_b_frames + 1;
> 
> how can the user choose between intra only and IP ?
> 
> i would have assumed that gop_size <= 1 would select intra only
> 

max_b_frames goes from -1 to INT_MAX, so -1 would be intra-only, 0, the
default, I/P only, 1 IBP, 2 IBBP, and so on.


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