[Libva] [PATCH 06/31] ENC: add AVC common structure and functions
Zhao Yakui
yakui.zhao at intel.com
Wed Jan 11 03:08:12 UTC 2017
On 01/11/2017 07:37 AM, Sean V Kelley wrote:
> From: Pengfei Qu<Pengfei.Qu at intel.com>
>
> Signed-off-by: Pengfei Qu<Pengfei.Qu at intel.com>
> Reviewed-by: Sean V Kelley<seanvk at posteo.de>
> ---
> src/i965_avc_encoder_common.c | 319 ++++++++++++++++++++++++++++++++++++++++++
> src/i965_avc_encoder_common.h | 305 ++++++++++++++++++++++++++++++++++++++++
> 2 files changed, 624 insertions(+)
> create mode 100755 src/i965_avc_encoder_common.c
> create mode 100755 src/i965_avc_encoder_common.h
>
> diff --git a/src/i965_avc_encoder_common.c b/src/i965_avc_encoder_common.c
> new file mode 100755
> index 00000000..3fc2b54e
> --- /dev/null
> +++ b/src/i965_avc_encoder_common.c
> @@ -0,0 +1,319 @@
> +
> +/*
> + * Copyright ? 2016 Intel Corporation
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> + * copy of this software and associated documentation files (the
> + * "Software"), to deal in the Software without restriction, including
> + * without limitation the rights to use, copy, modify, merge, publish,
> + * distribute, sub license, and/or sell copies of the Software, and to
> + * permit persons to whom the Software is furnished to do so, subject to
> + * the following conditions:
> + *
> + * The above copyright notice and this permission notice (including the
> + * next paragraph) shall be included in all copies or substantial portions
> + * of the Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
> + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
> + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
> + * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
> + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
> + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
> + * SOFTWAR
> + *
> + * Authors:
> + * Pengfei Qu<Pengfei.Qu at intel.com>
> + *
> + */
> +
> +#include "i965_avc_encoder_common.h"
> +int
> +i965_avc_get_max_mbps(int level_idc)
> +{
> + int max_mbps = 11880;
> +
> + switch (level_idc) {
> + case INTEL_AVC_LEVEL_2:
> + max_mbps = 11880;
> + break;
> +
> + case INTEL_AVC_LEVEL_21:
> + max_mbps = 19800;
> + break;
> +
> + case INTEL_AVC_LEVEL_22:
> + max_mbps = 20250;
> + break;
> +
> + case INTEL_AVC_LEVEL_3:
> + max_mbps = 40500;
> + break;
> +
> + case INTEL_AVC_LEVEL_31:
> + max_mbps = 108000;
> + break;
> +
> + case INTEL_AVC_LEVEL_32:
> + max_mbps = 216000;
> + break;
> +
> + case INTEL_AVC_LEVEL_4:
> + case INTEL_AVC_LEVEL_41:
> + max_mbps = 245760;
> + break;
> +
> + case INTEL_AVC_LEVEL_42:
> + max_mbps = 522240;
> + break;
> +
> + case INTEL_AVC_LEVEL_5:
> + max_mbps = 589824;
> + break;
> +
> + case INTEL_AVC_LEVEL_51:
> + max_mbps = 983040;
> + break;
> +
> + case INTEL_AVC_LEVEL_52:
> + max_mbps = 2073600;
> + break;
> +
> + default:
> + break;
> + }
> +
> + return max_mbps;
> +};
> +
> +unsigned int
> +i965_avc_get_profile_level_max_frame(struct avc_param * param,
> + int level_idc)
> +{
> + double bits_per_mb, tmpf;
> + int max_mbps, num_mb_per_frame;
> + uint64_t max_byte_per_frame0, max_byte_per_frame1;
> + unsigned int ret;
> + unsigned int scale_factor = 4;
> +
> +
> + if (level_idc>= INTEL_AVC_LEVEL_31&& level_idc<= INTEL_AVC_LEVEL_4)
> + bits_per_mb = 96.0;
> + else
> + {
> + bits_per_mb = 192.0;
> + scale_factor = 2;
> +
> + }
> +
> + max_mbps = i965_avc_get_max_mbps(level_idc);
> + num_mb_per_frame = param->frame_width_in_mbs * param->frame_height_in_mbs;
> +
> + tmpf = (double)num_mb_per_frame;
> +
> + if (tmpf< max_mbps / 172.0)
> + tmpf = max_mbps / 172.0;
> +
> + max_byte_per_frame0 = (uint64_t)(tmpf * bits_per_mb);
> + max_byte_per_frame1 = (uint64_t)(((double)max_mbps * 100) / param->frames_per_100s *bits_per_mb);
> +
> + /* TODO: check VAEncMiscParameterTypeMaxFrameSize */
> + ret = (unsigned int)MIN(max_byte_per_frame0, max_byte_per_frame1);
> + ret = (unsigned int)MIN(ret, param->frame_width_in_pixel * param->frame_height_in_pixel *3 /(2*scale_factor));
> +
> + return ret;
> +}
> +
As it is discussed in another email thread, it will be better to use
frame_rate_nom and frame_rate_denom instead of frames_per_100s.
https://lists.freedesktop.org/archives/libva/2016-December/004973.html
Thanks
yakui
> +int
> +i965_avc_calculate_initial_qp(struct avc_param * param)
> +{
> + float x0 = 0, y0 = 1.19f, x1 = 1.75f, y1 = 1.75f;
> + unsigned frame_size;
> + int qp, delat_qp;
> +
> + frame_size = (param->frame_width_in_pixel * param->frame_height_in_pixel * 3 / 2);
> + qp = (int)(1.0 / 1.2 * pow(10.0,
> + (log10(frame_size * 2.0 / 3.0 * ((float)param->frames_per_100s) /
> + ((float)(param->target_bit_rate * 1000) * 100)) - x0) *
> + (y1 - y0) / (x1 - x0) + y0) + 0.5);
> + qp += 2;
> + delat_qp = (int)(9 - (param->vbv_buffer_size_in_bit * ((float)param->frames_per_100s) /
> + ((float)(param->target_bit_rate * 1000) * 100)));
> + if (delat_qp> 0)
> + qp += delat_qp;
> +
> + qp = CLAMP(1, 51, qp);
> + qp--;
> +
> + if (qp< 0)
> + qp = 1;
> +
> + return qp;
> +}
> +
> +int
> +i965_avc_get_max_v_mv_r(int level_idc)
> +{
> + int max_v_mv_r = 128 * 4;
> +
> + // See JVT Spec Annex A Table A-1 Level limits for below mapping
> + // MaxVmvR is in luma quarter pel unit
> + switch (level_idc)
> + {
> + case INTEL_AVC_LEVEL_1:
> + max_v_mv_r = 64 * 4;
> + break;
> + case INTEL_AVC_LEVEL_11:
> + case INTEL_AVC_LEVEL_12:
> + case INTEL_AVC_LEVEL_13:
> + case INTEL_AVC_LEVEL_2:
> + max_v_mv_r = 128 * 4;
> + break;
> + case INTEL_AVC_LEVEL_21:
> + case INTEL_AVC_LEVEL_22:
> + case INTEL_AVC_LEVEL_3:
> + max_v_mv_r = 256 * 4;
> + break;
> + case INTEL_AVC_LEVEL_31:
> + case INTEL_AVC_LEVEL_32:
> + case INTEL_AVC_LEVEL_4:
> + case INTEL_AVC_LEVEL_41:
> + case INTEL_AVC_LEVEL_42:
> + case INTEL_AVC_LEVEL_5:
> + case INTEL_AVC_LEVEL_51:
> + case INTEL_AVC_LEVEL_52:
> + max_v_mv_r = 512 * 4;
> + break;
> + default:
> + assert(0);
> + break;
> + }
> +
> + return max_v_mv_r;
> +}
> +
> +int
> +i965_avc_get_max_mv_len(int level_idc)
> +{
> + int max_mv_len = 127;
> +
> + // See JVT Spec Annex A Table A-1 Level limits for below mapping
> + // MaxVmvR is in luma quarter pel unit
> + switch (level_idc)
> + {
> + case INTEL_AVC_LEVEL_1:
> + max_mv_len = 63;
> + break;
> + case INTEL_AVC_LEVEL_11:
> + case INTEL_AVC_LEVEL_12:
> + case INTEL_AVC_LEVEL_13:
> + case INTEL_AVC_LEVEL_2:
> + max_mv_len = 127;
> + break;
> + case INTEL_AVC_LEVEL_21:
> + case INTEL_AVC_LEVEL_22:
> + case INTEL_AVC_LEVEL_3:
> + max_mv_len = 255;
> + break;
> + case INTEL_AVC_LEVEL_31:
> + case INTEL_AVC_LEVEL_32:
> + case INTEL_AVC_LEVEL_4:
> + case INTEL_AVC_LEVEL_41:
> + case INTEL_AVC_LEVEL_42:
> + case INTEL_AVC_LEVEL_5:
> + case INTEL_AVC_LEVEL_51:
> + case INTEL_AVC_LEVEL_52:
> + max_mv_len = 511;
> + break;
> + default:
> + assert(0);
> + break;
> + }
> +
> + return max_mv_len;
> +}
> +
> +int
> +i965_avc_get_max_mv_per_2mb(int level_idc)
> +{
> + unsigned int max_mv_per_2mb = 32;
> +
> + // See JVT Spec Annex A Table A-1 Level limits for below mapping
> + switch (level_idc)
> + {
> + case INTEL_AVC_LEVEL_3:
> + max_mv_per_2mb = 32;
> + break;
> + case INTEL_AVC_LEVEL_31:
> + case INTEL_AVC_LEVEL_32:
> + case INTEL_AVC_LEVEL_4:
> + case INTEL_AVC_LEVEL_41:
> + case INTEL_AVC_LEVEL_42:
> + case INTEL_AVC_LEVEL_5:
> + case INTEL_AVC_LEVEL_51:
> + case INTEL_AVC_LEVEL_52:
> + max_mv_per_2mb = 16;
> + break;
> + default:
> + break;
> + }
> +
> + return max_mv_per_2mb;
> +}
> +
> +unsigned short
> +i965_avc_calc_skip_value(unsigned int enc_block_based_sip_en, unsigned int transform_8x8_flag, unsigned short skip_value)
> +{
> + if(!enc_block_based_sip_en)
> + {
> + skip_value *= 3;
> + }
> + else if(!transform_8x8_flag)
> + {
> + skip_value /= 2;
> + }
> +
> + return skip_value;
> +}
> +
> +unsigned short i965_avc_get_maxnum_slices_num(int profile_idc,int level_idc,unsigned int frames_per_100s)
> +{
> + unsigned int slice_num = 0;
> +
> + if ((profile_idc == VAProfileH264Main) ||
> + (profile_idc == VAProfileH264High))
> + {
> + switch (level_idc)
> + {
> + case INTEL_AVC_LEVEL_3:
> + slice_num = (unsigned int)(40500.0 * 100 / 22.0 / frames_per_100s);
> + break;
> + case INTEL_AVC_LEVEL_31:
> + slice_num = (unsigned int)(108000.0 * 100 / 60.0 / frames_per_100s);
> + break;
> + case INTEL_AVC_LEVEL_32:
> + slice_num = (unsigned int)(216000.0 * 100 / 60.0 / frames_per_100s);
> + break;
> + case INTEL_AVC_LEVEL_4:
> + case INTEL_AVC_LEVEL_41:
> + slice_num = (unsigned int)(245760.0 * 100 / 24.0 / frames_per_100s);
> + break;
> + case INTEL_AVC_LEVEL_42:
> + slice_num = (unsigned int)(522240.0 * 100 / 24.0 / frames_per_100s);
> + break;
> + case INTEL_AVC_LEVEL_5:
> + slice_num = (unsigned int)(589824.0 * 100 / 24.0 / frames_per_100s);
> + break;
> + case INTEL_AVC_LEVEL_51:
> + slice_num = (unsigned int)(983040.0 * 100 / 24.0 / frames_per_100s);
> + break;
> + case INTEL_AVC_LEVEL_52:
> + slice_num = (unsigned int)(2073600.0 * 100 / 24.0 / frames_per_100s);
> + break;
> + default:
> + slice_num = 0;
> + }
> + }
> +
> + return slice_num;
> +}
> diff --git a/src/i965_avc_encoder_common.h b/src/i965_avc_encoder_common.h
> new file mode 100755
> index 00000000..80ef1b16
> --- /dev/null
> +++ b/src/i965_avc_encoder_common.h
> @@ -0,0 +1,305 @@
> +/*
> + * Copyright ? 2016 Intel Corporation
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> + * copy of this software and associated documentation files (the
> + * "Software"), to deal in the Software without restriction, including
> + * without limitation the rights to use, copy, modify, merge, publish,
> + * distribute, sub license, and/or sell copies of the Software, and to
> + * permit persons to whom the Software is furnished to do so, subject to
> + * the following conditions:
> + *
> + * The above copyright notice and this permission notice (including the
> + * next paragraph) shall be included in all copies or substantial portions
> + * of the Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
> + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
> + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
> + * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
> + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
> + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
> + * SOFTWAR
> + *
> + * Authors:
> + * Pengfei Qu<Pengfei.Qu at intel.com>
> + *
> + */
> +
> +#ifndef _I965_AVC_ENCODER_COMMON_H
> +#define _I965_AVC_ENCODER_COMMON_H
> +
> +#include<stdio.h>
> +#include<stdlib.h>
> +#include<math.h>
> +#include<stdint.h>
> +#include<assert.h>
> +#include "intel_driver.h"
> +
> +// SubMbPartMask defined in CURBE for AVC ENC
> +#define INTEL_AVC_DISABLE_4X4_SUB_MB_PARTITION 0x40
> +#define INTEL_AVC_DISABLE_4X8_SUB_MB_PARTITION 0x20
> +#define INTEL_AVC_DISABLE_8X4_SUB_MB_PARTITION 0x10
> +#define INTEL_AVC_MAX_BWD_REF_NUM 2
> +#define INTEL_AVC_MAX_FWD_REF_NUM 8
> +
> +#define MAX_MFC_AVC_REFERENCE_SURFACES 16
> +#define NUM_MFC_AVC_DMV_BUFFERS 34
> +#define MAX_HCP_REFERENCE_SURFACES 8
> +#define NUM_HCP_CURRENT_COLLOCATED_MV_TEMPORAL_BUFFERS 9
> +
> +#define INTEL_AVC_IMAGE_STATE_CMD_SIZE 128
> +#define INTEL_AVC_MIN_QP 1
> +#define INTEL_AVC_MAX_QP 51
> +
> +#define INTEL_AVC_WP_MODE_DEFAULT 0
> +#define INTEL_AVC_WP_MODE_EXPLICIT 1
> +#define INTEL_AVC_WP_MODE_IMPLICIT 2
> +
> +struct avc_param {
> +
> + // original width/height
> + uint32_t frame_width_in_pixel;
> + uint32_t frame_height_in_pixel;
> + uint32_t frame_width_in_mbs;
> + uint32_t frame_height_in_mbs;
> + uint32_t frames_per_100s;
> + uint32_t vbv_buffer_size_in_bit;
> + uint32_t target_bit_rate;
> +};
> +
> +typedef enum
> +{
> + INTEL_AVC_BASE_PROFILE = 66,
> + INTEL_AVC_MAIN_PROFILE = 77,
> + INTEL_AVC_EXTENDED_PROFILE = 88,
> + INTEL_AVC_HIGH_PROFILE = 100,
> + INTEL_AVC_HIGH10_PROFILE = 110,
> + INTEL_AVC_HIGH422_PROFILE = 122,
> + INTEL_AVC_HIGH444_PROFILE = 244,
> + INTEL_AVC_CAVLC444_INTRA_PROFILE = 44,
> + INTEL_AVC_SCALABLE_BASE_PROFILE = 83,
> + INTEL_AVC_SCALABLE_HIGH_PROFILE = 86
> +} INTEL_AVC_PROFILE_IDC;
> +
> +typedef enum
> +{
> + INTEL_AVC_LEVEL_1 = 10,
> + INTEL_AVC_LEVEL_11 = 11,
> + INTEL_AVC_LEVEL_12 = 12,
> + INTEL_AVC_LEVEL_13 = 13,
> + INTEL_AVC_LEVEL_2 = 20,
> + INTEL_AVC_LEVEL_21 = 21,
> + INTEL_AVC_LEVEL_22 = 22,
> + INTEL_AVC_LEVEL_3 = 30,
> + INTEL_AVC_LEVEL_31 = 31,
> + INTEL_AVC_LEVEL_32 = 32,
> + INTEL_AVC_LEVEL_4 = 40,
> + INTEL_AVC_LEVEL_41 = 41,
> + INTEL_AVC_LEVEL_42 = 42,
> + INTEL_AVC_LEVEL_5 = 50,
> + INTEL_AVC_LEVEL_51 = 51,
> + INTEL_AVC_LEVEL_52 = 52
> +} INTEL_AVC_LEVEL_IDC;
> +
> +struct gen9_mfx_avc_img_state
> +{
> + union {
> + struct {
> + uint32_t dword_length:12;
> + uint32_t pad0:4;
> + uint32_t sub_opcode_b:5;
> + uint32_t sub_opcode_a:3;
> + uint32_t command_opcode:3;
> + uint32_t pipeline:2;
> + uint32_t command_type:3;
> + };
> +
> + uint32_t value;
> + } dw0;
> +
> + struct {
> + uint32_t frame_size_in_mbs:16;//minus1
> + uint32_t pad0:16;
> + } dw1;
> +
> + struct {
> + uint32_t frame_width_in_mbs_minus1:8; //minus1
> + uint32_t pad0:8;
> + uint32_t frame_height_in_mbs_minus1:8; //minus1
> + uint32_t pad1:8;
> + } dw2;
> +
> + struct {
> + uint32_t pad0:8;
> + uint32_t image_structure:2;
> + uint32_t weighted_bipred_idc:2;
> + uint32_t weighted_pred_flag:1;
> + uint32_t brc_domain_rate_control_enable:1;
> + uint32_t pad1:2;
> + uint32_t chroma_qp_offset:5;
> + uint32_t pad2:3;
> + uint32_t second_chroma_qp_offset:5;
> + uint32_t pad3:3;
> + } dw3;
> +
> + struct {
> + uint32_t field_picture_flag:1;
> + uint32_t mbaff_mode_active:1;
> + uint32_t frame_mb_only_flag:1;
> + uint32_t transform_8x8_idct_mode_flag:1;
> + uint32_t direct_8x8_interface_flag:1;
> + uint32_t constrained_intra_prediction_flag:1;
> + uint32_t current_img_dispoable_flag:1;
> + uint32_t entropy_coding_flag:1;
> + uint32_t mb_mv_format_flag:1;
> + uint32_t pad0:1;
> + uint32_t chroma_format_idc:2;
> + uint32_t mv_unpacked_flag:1;
> + uint32_t insert_test_flag:1;
> + uint32_t load_slice_pointer_flag:1;
> + uint32_t macroblock_stat_enable:1;
> + uint32_t minimum_frame_size:16;
> + } dw4;
> +
> + struct {
> + uint32_t intra_mb_max_bit_flag:1;
> + uint32_t inter_mb_max_bit_flag:1;
> + uint32_t frame_size_over_flag:1;
> + uint32_t frame_size_under_flag:1;
> + uint32_t pad0:3;
> + uint32_t intra_mb_ipcm_flag:1;
> + uint32_t pad1:1;
> + uint32_t mb_rate_ctrl_flag:1;
> + uint32_t min_frame_size_units:2;
> + uint32_t inter_mb_zero_cbp_flag:1; //?change
> + uint32_t pad2:3;
> + uint32_t non_first_pass_flag:1;
> + uint32_t pad3:10;
> + uint32_t aq_chroma_disable:1;
> + uint32_t aq_rounding:3;
> + uint32_t aq_enable:1;
> + } dw5;
> +
> + struct {
> + uint32_t intra_mb_max_size:12;
> + uint32_t pad0:4;
> + uint32_t inter_mb_max_size:12;
> + uint32_t pad1:4;
> + } dw6;
> +
> + struct {
> + uint32_t vsl_top_mb_trans8x8_flag:1;
> + uint32_t pad0:31;
> + } dw7;
> +
> + struct {
> + uint32_t slice_delta_qp_max0:8;
> + uint32_t slice_delta_qp_max1:8;
> + uint32_t slice_delta_qp_max2:8;
> + uint32_t slice_delta_qp_max3:8;
> + } dw8;
> +
> + struct {
> + uint32_t slice_delta_qp_min0:8;
> + uint32_t slice_delta_qp_min1:8;
> + uint32_t slice_delta_qp_min2:8;
> + uint32_t slice_delta_qp_min3:8;
> + } dw9;
> +
> + struct {
> + uint32_t frame_bitrate_min:14;
> + uint32_t frame_bitrate_min_unit_mode:1;
> + uint32_t frame_bitrate_min_unit:1;
> + uint32_t frame_bitrate_max:14;
> + uint32_t frame_bitrate_max_unit_mode:1;
> + uint32_t frame_bitrate_max_unit:1;
> + } dw10;
> +
> + struct {
> + uint32_t frame_bitrate_min_delta:15;
> + uint32_t pad0:1;
> + uint32_t frame_bitrate_max_delta:15;
> + uint32_t slice_tsats_streamout_enable:1;
> + } dw11;
> +
> + struct {
> + uint32_t pad0:16;
> + uint32_t mpeg2_old_mode_select:1;
> + uint32_t vad_noa_mux_select:1;
> + uint32_t vad_error_logic:1;
> + uint32_t pad1:1;
> + uint32_t vmd_error_logic:1;
> + uint32_t pad2:11;
> + } dw12;
> +
> + struct {
> + uint32_t pic_qp_init_minus26:8;
> + uint32_t pic_num_ref_idx_l0_active_minus1:6;
> + uint32_t pad0:2;
> + uint32_t pic_num_ref_idx_l1_active_minus1:6;
> + uint32_t pad1:2;
> + uint32_t num_ref_frames:5;
> + uint32_t is_curr_pic_has_mmco5:1;
> + uint32_t pad2:2;
> + } dw13;
> +
> + struct {
> + uint32_t pic_order_present_flag:1;
> + uint32_t delta_pic_order_always_zero_flag:1;
> + uint32_t pic_order_cnt_type:2;
> + uint32_t pad0:4;
> + uint32_t slice_group_map_type:3;
> + uint32_t redundant_pic_cnt_present_flag:1;
> + uint32_t num_slice_groups_minus1:3;
> + uint32_t deblock_filter_ctrl_present_flag:1;
> + uint32_t log2_max_frame_num_minus4:8;
> + uint32_t log2_max_pic_order_cnt_lsb_minus4:8;
> + } dw14;
> +
> + struct {
> + uint32_t slice_group_change_rate:16;
> + uint32_t curr_pic_frame_num:16;
> + } dw15;
> +
> + struct {
> + uint32_t current_frame_view_id:10;
> + uint32_t pad0:2;
> + uint32_t max_view_idx_l0:4;
> + uint32_t pad1:2;
> + uint32_t max_view_idx_l1:4;
> + uint32_t pad2:9;
> + uint32_t inter_view_order_disable:1;
> + } dw16;
> +
> + struct {
> + uint32_t fqp:3; // Must be zero for SKL
> + uint32_t fqp_offset:3; // Must be zero for SKL
> + uint32_t pad0:2;
> + uint32_t ext_brc_dm_stat_en:1; // Must be zero for SKL
> + uint32_t pad1:7;
> + uint32_t brc_dm_avg_mb_qp:6; // Must be zero for SKL
> + uint32_t pad2:10;
> + } dw17;
> +
> + struct {
> + uint32_t brc_domain_target_frame_size;
> + } dw18;
> +
> + struct {
> + uint32_t threshold_size_in_bytes;
> + } dw19;
> +
> + struct {
> + uint32_t target_slice_size_in_bytes;
> + } dw20;
> +};
> +
> +extern int i965_avc_get_max_mbps(int level_idc);
> +extern int i965_avc_calculate_initial_qp(struct avc_param * param);
> +extern unsigned int i965_avc_get_profile_level_max_frame(struct avc_param * param,int level_idc);
> +extern int i965_avc_get_max_v_mv_r(int level_idc);
> +extern int i965_avc_get_max_mv_len(int level_idc);
> +extern int i965_avc_get_max_mv_per_2mb(int level_idc);
> +extern unsigned short i965_avc_calc_skip_value(unsigned int enc_block_based_sip_en, unsigned int transform_8x8_flag, unsigned short skip_value);
> +#endif // _I965_AVC_ENCODER_COMMON_H
> \ No newline at end of file
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