1/**************************************************************************
2 *
3 * Copyright 2018 Advanced Micro Devices, Inc.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28#include "util/u_handle_table.h"
29#include "util/u_video.h"
30#include "va_private.h"
31
32VAStatus
33vlVaHandleVAEncPictureParameterBufferTypeH264(vlVaDriver *drv, vlVaContext *context, vlVaBuffer *buf)
34{
35   VAEncPictureParameterBufferH264 *h264;
36   vlVaBuffer *coded_buf;
37
38   h264 = buf->data;
39   context->desc.h264enc.frame_num = h264->frame_num;
40   context->desc.h264enc.not_referenced = false;
41   context->desc.h264enc.pic_order_cnt = h264->CurrPic.TopFieldOrderCnt;
42   if (context->desc.h264enc.gop_cnt == 0)
43      context->desc.h264enc.i_remain = context->gop_coeff;
44   else if (context->desc.h264enc.frame_num == 1)
45      context->desc.h264enc.i_remain--;
46
47   context->desc.h264enc.p_remain = context->desc.h264enc.gop_size - context->desc.h264enc.gop_cnt - context->desc.h264enc.i_remain;
48
49   coded_buf = handle_table_get(drv->htab, h264->coded_buf);
50   if (!coded_buf->derived_surface.resource)
51      coded_buf->derived_surface.resource = pipe_buffer_create(drv->pipe->screen, PIPE_BIND_VERTEX_BUFFER,
52                                            PIPE_USAGE_STREAM, coded_buf->size);
53   context->coded_buf = coded_buf;
54
55   util_hash_table_set(context->desc.h264enc.frame_idx,
56		       UINT_TO_PTR(h264->CurrPic.picture_id),
57		       UINT_TO_PTR(h264->frame_num));
58
59   if (h264->pic_fields.bits.idr_pic_flag == 1)
60      context->desc.h264enc.picture_type = PIPE_H264_ENC_PICTURE_TYPE_IDR;
61   else
62      context->desc.h264enc.picture_type = PIPE_H264_ENC_PICTURE_TYPE_P;
63
64   context->desc.h264enc.quant_i_frames = h264->pic_init_qp;
65   context->desc.h264enc.quant_b_frames = h264->pic_init_qp;
66   context->desc.h264enc.quant_p_frames = h264->pic_init_qp;
67   context->desc.h264enc.gop_cnt++;
68   if (context->desc.h264enc.gop_cnt == context->desc.h264enc.gop_size)
69      context->desc.h264enc.gop_cnt = 0;
70
71   return VA_STATUS_SUCCESS;
72}
73
74VAStatus
75vlVaHandleVAEncSliceParameterBufferTypeH264(vlVaDriver *drv, vlVaContext *context, vlVaBuffer *buf)
76{
77   VAEncSliceParameterBufferH264 *h264;
78
79   h264 = buf->data;
80   context->desc.h264enc.ref_idx_l0 = VA_INVALID_ID;
81   context->desc.h264enc.ref_idx_l1 = VA_INVALID_ID;
82
83   for (int i = 0; i < 32; i++) {
84      if (h264->RefPicList0[i].picture_id != VA_INVALID_ID) {
85         if (context->desc.h264enc.ref_idx_l0 == VA_INVALID_ID)
86            context->desc.h264enc.ref_idx_l0 = PTR_TO_UINT(util_hash_table_get(context->desc.h264enc.frame_idx,
87									       UINT_TO_PTR(h264->RefPicList0[i].picture_id)));
88      }
89      if (h264->RefPicList1[i].picture_id != VA_INVALID_ID && h264->slice_type == 1) {
90         if (context->desc.h264enc.ref_idx_l1 == VA_INVALID_ID)
91            context->desc.h264enc.ref_idx_l1 = PTR_TO_UINT(util_hash_table_get(context->desc.h264enc.frame_idx,
92									       UINT_TO_PTR(h264->RefPicList1[i].picture_id)));
93      }
94   }
95
96   if (h264->slice_type == 1)
97      context->desc.h264enc.picture_type = PIPE_H264_ENC_PICTURE_TYPE_B;
98   else if (h264->slice_type == 0)
99      context->desc.h264enc.picture_type = PIPE_H264_ENC_PICTURE_TYPE_P;
100   else if (h264->slice_type == 2) {
101      if (context->desc.h264enc.picture_type == PIPE_H264_ENC_PICTURE_TYPE_IDR)
102         context->desc.h264enc.idr_pic_id++;
103	   else
104         context->desc.h264enc.picture_type = PIPE_H264_ENC_PICTURE_TYPE_I;
105   } else
106      context->desc.h264enc.picture_type = PIPE_H264_ENC_PICTURE_TYPE_SKIP;
107
108   return VA_STATUS_SUCCESS;
109}
110
111VAStatus
112vlVaHandleVAEncSequenceParameterBufferTypeH264(vlVaDriver *drv, vlVaContext *context, vlVaBuffer *buf)
113{
114   VAEncSequenceParameterBufferH264 *h264 = (VAEncSequenceParameterBufferH264 *)buf->data;
115   if (!context->decoder) {
116      context->templat.max_references = h264->max_num_ref_frames;
117      context->templat.level = h264->level_idc;
118      context->decoder = drv->pipe->create_video_codec(drv->pipe, &context->templat);
119      if (!context->decoder)
120         return VA_STATUS_ERROR_ALLOCATION_FAILED;
121   }
122
123   context->gop_coeff = ((1024 + h264->intra_idr_period - 1) / h264->intra_idr_period + 1) / 2 * 2;
124   if (context->gop_coeff > VL_VA_ENC_GOP_COEFF)
125      context->gop_coeff = VL_VA_ENC_GOP_COEFF;
126   context->desc.h264enc.gop_size = h264->intra_idr_period * context->gop_coeff;
127   context->desc.h264enc.rate_ctrl.frame_rate_num = h264->time_scale / 2;
128   context->desc.h264enc.rate_ctrl.frame_rate_den = h264->num_units_in_tick;
129   context->desc.h264enc.pic_order_cnt_type = h264->seq_fields.bits.pic_order_cnt_type;
130
131   if (h264->frame_cropping_flag) {
132      context->desc.h264enc.pic_ctrl.enc_frame_cropping_flag = h264->frame_cropping_flag;
133      context->desc.h264enc.pic_ctrl.enc_frame_crop_left_offset = h264->frame_crop_left_offset;
134      context->desc.h264enc.pic_ctrl.enc_frame_crop_right_offset = h264->frame_crop_right_offset;
135      context->desc.h264enc.pic_ctrl.enc_frame_crop_top_offset = h264->frame_crop_top_offset;
136      context->desc.h264enc.pic_ctrl.enc_frame_crop_bottom_offset = h264->frame_crop_bottom_offset;
137   }
138   return VA_STATUS_SUCCESS;
139}
140
141VAStatus
142vlVaHandleVAEncMiscParameterTypeRateControlH264(vlVaContext *context, VAEncMiscParameterBuffer *misc)
143{
144   VAEncMiscParameterRateControl *rc = (VAEncMiscParameterRateControl *)misc->data;
145   if (context->desc.h264enc.rate_ctrl.rate_ctrl_method ==
146         PIPE_H264_ENC_RATE_CONTROL_METHOD_CONSTANT)
147      context->desc.h264enc.rate_ctrl.target_bitrate = rc->bits_per_second;
148   else
149      context->desc.h264enc.rate_ctrl.target_bitrate = rc->bits_per_second * (rc->target_percentage / 100.0);
150   context->desc.h264enc.rate_ctrl.peak_bitrate = rc->bits_per_second;
151   if (context->desc.h264enc.rate_ctrl.target_bitrate < 2000000)
152      context->desc.h264enc.rate_ctrl.vbv_buffer_size = MIN2((context->desc.h264enc.rate_ctrl.target_bitrate * 2.75), 2000000);
153   else
154      context->desc.h264enc.rate_ctrl.vbv_buffer_size = context->desc.h264enc.rate_ctrl.target_bitrate;
155
156   return VA_STATUS_SUCCESS;
157}
158
159VAStatus
160vlVaHandleVAEncMiscParameterTypeFrameRateH264(vlVaContext *context, VAEncMiscParameterBuffer *misc)
161{
162   VAEncMiscParameterFrameRate *fr = (VAEncMiscParameterFrameRate *)misc->data;
163   if (fr->framerate & 0xffff0000) {
164      context->desc.h264enc.rate_ctrl.frame_rate_num = fr->framerate       & 0xffff;
165      context->desc.h264enc.rate_ctrl.frame_rate_den = fr->framerate >> 16 & 0xffff;
166   } else {
167      context->desc.h264enc.rate_ctrl.frame_rate_num = fr->framerate;
168      context->desc.h264enc.rate_ctrl.frame_rate_den = 1;
169   }
170   return VA_STATUS_SUCCESS;
171}
172
173void getEncParamPresetH264(vlVaContext *context)
174{
175   //motion estimation preset
176   context->desc.h264enc.motion_est.motion_est_quarter_pixel = 0x00000001;
177   context->desc.h264enc.motion_est.lsmvert = 0x00000002;
178   context->desc.h264enc.motion_est.enc_disable_sub_mode = 0x00000078;
179   context->desc.h264enc.motion_est.enc_en_ime_overw_dis_subm = 0x00000001;
180   context->desc.h264enc.motion_est.enc_ime_overw_dis_subm_no = 0x00000001;
181   context->desc.h264enc.motion_est.enc_ime2_search_range_x = 0x00000004;
182   context->desc.h264enc.motion_est.enc_ime2_search_range_y = 0x00000004;
183
184   //pic control preset
185   context->desc.h264enc.pic_ctrl.enc_cabac_enable = 0x00000001;
186   context->desc.h264enc.pic_ctrl.enc_constraint_set_flags = 0x00000040;
187
188   //rate control
189   context->desc.h264enc.rate_ctrl.vbv_buffer_size = 20000000;
190   context->desc.h264enc.rate_ctrl.vbv_buf_lv = 48;
191   context->desc.h264enc.rate_ctrl.fill_data_enable = 1;
192   context->desc.h264enc.rate_ctrl.enforce_hrd = 1;
193   context->desc.h264enc.enable_vui = false;
194   if (context->desc.h264enc.rate_ctrl.frame_rate_num == 0 ||
195       context->desc.h264enc.rate_ctrl.frame_rate_den == 0) {
196         context->desc.h264enc.rate_ctrl.frame_rate_num = 30;
197         context->desc.h264enc.rate_ctrl.frame_rate_den = 1;
198   }
199   context->desc.h264enc.rate_ctrl.target_bits_picture =
200      context->desc.h264enc.rate_ctrl.target_bitrate *
201      ((float)context->desc.h264enc.rate_ctrl.frame_rate_den /
202      context->desc.h264enc.rate_ctrl.frame_rate_num);
203   context->desc.h264enc.rate_ctrl.peak_bits_picture_integer =
204      context->desc.h264enc.rate_ctrl.peak_bitrate *
205      ((float)context->desc.h264enc.rate_ctrl.frame_rate_den /
206      context->desc.h264enc.rate_ctrl.frame_rate_num);
207
208   context->desc.h264enc.rate_ctrl.peak_bits_picture_fraction = 0;
209   context->desc.h264enc.ref_pic_mode = 0x00000201;
210}
211