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encoder: h265: Enable cu_qp_delta_enabled_flag for CBR

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It seems driver requires enablement of cu_qp_delta_enabled_flag
for modifying QP values to controll the CBR mode bitrate.

https://bugzilla.gnome.org/show_bug.cgi?id=749852
This commit is contained in:
Sreerenj Balachandran 2016-04-27 17:10:26 +03:00
parent 7ddc7ea0bc
commit 018ea8b2fc
1 changed files with 4 additions and 0 deletions
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4
gst-libs/gst/vaapi/gstvaapiencoder_h265.c
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@ -1637,6 +1637,10 @@ fill_picture (GstVaapiEncoderH265 * encoder, GstVaapiEncPicture * picture,
pic_param->pic_fields.bits.reference_pic_flag = TRUE;
pic_param->pic_fields.bits.sign_data_hiding_enabled_flag = FALSE;
pic_param->pic_fields.bits.transform_skip_enabled_flag = TRUE;
/* it seems driver requires enablement of cu_qp_delta_enabled_flag
* to modifiy QP values in CBR mode encoding */
if (GST_VAAPI_ENCODER_RATE_CONTROL (encoder) == GST_VAAPI_RATECONTROL_CBR)
pic_param->pic_fields.bits.cu_qp_delta_enabled_flag = TRUE;
pic_param->pic_fields.bits.pps_loop_filter_across_slices_enabled_flag = TRUE;
if (GST_VAAPI_ENC_PICTURE_IS_IDR (picture))