From 2940e196c5e439d9869f8c02a49a318d0847453c Mon Sep 17 00:00:00 2001 From: Mark Thompson Date: Tue, 31 May 2016 10:21:19 +0100 Subject: vaapi_h265: cu_qp_delta should not be used in constant-QP mode --- libavcodec/vaapi_encode_h265.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/libavcodec/vaapi_encode_h265.c b/libavcodec/vaapi_encode_h265.c index 1b1cce7..010db92 100644 --- a/libavcodec/vaapi_encode_h265.c +++ b/libavcodec/vaapi_encode_h265.c @@ -868,7 +868,10 @@ static int vaapi_encode_h265_init_sequence_params(AVCodecContext *avctx) vpic->pic_fields.bits.screen_content_flag = 0; vpic->pic_fields.bits.enable_gpu_weighted_prediction = 0; - vpic->pic_fields.bits.cu_qp_delta_enabled_flag = 1; + + // Per-CU QP changes are required for non-constant-QP modes. + vpic->pic_fields.bits.cu_qp_delta_enabled_flag = + ctx->va_rc_mode != VA_RC_CQP; } { -- cgit v1.1