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vaapi_encode: Add support for max QP in rate control

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This was added in libva 2.1.0 (VAAPI 1.1.0).  Use AVCodecContext.qmax,
matching the existing behaviour for qmin, and clean up the defaults so
that we only pass min/max when explicitly set.
This commit is contained in:
Mark Thompson 2018-09-18 23:30:46 +01:00
parent af532c9215
commit 8479f99c7d
7 changed files with 15 additions and 2 deletions
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3
libavcodec/vaapi_encode.c
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@ -1436,6 +1436,9 @@ static av_cold int vaapi_encode_init_rate_control(AVCodecContext *avctx)
.initial_qp = 0,
.min_qp = (avctx->qmin > 0 ? avctx->qmin : 0),
.basic_unit_size = 0,
#if VA_CHECK_VERSION(1, 1, 0)
.max_qp = (avctx->qmax > 0 ? avctx->qmax : 0),
#endif
};
vaapi_encode_add_global_param(avctx, &ctx->rc_params.misc,
sizeof(ctx->rc_params));