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avcodec/nvenc: explicitly disable lookahead if lacking sufficient surfaces
It could already be enabled by the preset, so it needs explicitly disabled in this case.
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@ -1076,6 +1076,7 @@ static av_cold void nvenc_setup_rate_control(AVCodecContext *avctx)
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ctx->encode_config.frameIntervalP - 4;
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if (lkd_bound < 0) {
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ctx->encode_config.rcParams.enableLookahead = 0;
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av_log(avctx, AV_LOG_WARNING,
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"Lookahead not enabled. Increase buffer delay (-delay).\n");
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} else {
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