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vaapi_h265: cu_qp_delta should not be used in constant-QP mode
author
Mark Thompson
<sw@jkqxz.net>
Tue, 31 May 2016 09:21:19 +0000
(10:21 +0100)
committer
Mark Thompson
<sw@jkqxz.net>
Thu, 9 Jun 2016 20:15:39 +0000
(21:15 +0100)
libavcodec/vaapi_encode_h265.c
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diff --git
a/libavcodec/vaapi_encode_h265.c
b/libavcodec/vaapi_encode_h265.c
index
1b1cce7
..
010db92
100644
(file)
--- 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;
}
{