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1 /**************************************************************************
2  *
3  * Copyright 2020 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 <stdio.h>
29 
30 #include "pipe/p_video_codec.h"
31 
32 #include "util/u_video.h"
33 
34 #include "si_pipe.h"
35 #include "radeon_video.h"
36 #include "radeon_vcn_enc.h"
37 
38 #define RENCODE_FW_INTERFACE_MAJOR_VERSION   1
39 #define RENCODE_FW_INTERFACE_MINOR_VERSION   0
40 
radeon_enc_spec_misc(struct radeon_encoder * enc)41 static void radeon_enc_spec_misc(struct radeon_encoder *enc)
42 {
43    enc->enc_pic.spec_misc.constrained_intra_pred_flag = 0;
44    enc->enc_pic.spec_misc.half_pel_enabled = 1;
45    enc->enc_pic.spec_misc.quarter_pel_enabled = 1;
46    enc->enc_pic.spec_misc.level_idc = enc->base.level;
47    enc->enc_pic.spec_misc.b_picture_enabled = 0;
48    enc->enc_pic.spec_misc.weighted_bipred_idc = 0;
49 
50    RADEON_ENC_BEGIN(enc->cmd.spec_misc_h264);
51    RADEON_ENC_CS(enc->enc_pic.spec_misc.constrained_intra_pred_flag);
52    RADEON_ENC_CS(enc->enc_pic.spec_misc.cabac_enable);
53    RADEON_ENC_CS(enc->enc_pic.spec_misc.cabac_init_idc);
54    RADEON_ENC_CS(enc->enc_pic.spec_misc.half_pel_enabled);
55    RADEON_ENC_CS(enc->enc_pic.spec_misc.quarter_pel_enabled);
56    RADEON_ENC_CS(enc->enc_pic.spec_misc.profile_idc);
57    RADEON_ENC_CS(enc->enc_pic.spec_misc.level_idc);
58    RADEON_ENC_CS(enc->enc_pic.spec_misc.b_picture_enabled);
59    RADEON_ENC_CS(enc->enc_pic.spec_misc.weighted_bipred_idc);
60    RADEON_ENC_END();
61 }
62 
radeon_enc_quality_params(struct radeon_encoder * enc)63 static void radeon_enc_quality_params(struct radeon_encoder *enc)
64 {
65    enc->enc_pic.quality_params.vbaq_mode = 0;
66    enc->enc_pic.quality_params.scene_change_sensitivity = 0;
67    enc->enc_pic.quality_params.scene_change_min_idr_interval = 0;
68    enc->enc_pic.quality_params.two_pass_search_center_map_mode = 0;
69 
70    RADEON_ENC_BEGIN(enc->cmd.quality_params);
71    RADEON_ENC_CS(enc->enc_pic.quality_params.vbaq_mode);
72    RADEON_ENC_CS(enc->enc_pic.quality_params.scene_change_sensitivity);
73    RADEON_ENC_CS(enc->enc_pic.quality_params.scene_change_min_idr_interval);
74    RADEON_ENC_CS(enc->enc_pic.quality_params.two_pass_search_center_map_mode);
75    RADEON_ENC_CS(0);
76    RADEON_ENC_END();
77 }
78 
radeon_enc_encode_params_h264(struct radeon_encoder * enc)79 static void radeon_enc_encode_params_h264(struct radeon_encoder *enc)
80 {
81    enc->enc_pic.h264_enc_params.input_picture_structure = RENCODE_H264_PICTURE_STRUCTURE_FRAME;
82    enc->enc_pic.h264_enc_params.input_pic_order_cnt = 0;
83    enc->enc_pic.h264_enc_params.interlaced_mode = RENCODE_H264_INTERLACING_MODE_PROGRESSIVE;
84    enc->enc_pic.h264_enc_params.l0_reference_picture1_index = 0xFFFFFFFF;
85    enc->enc_pic.h264_enc_params.l1_reference_picture0_index= 0xFFFFFFFF;
86 
87    RADEON_ENC_BEGIN(enc->cmd.enc_params_h264);
88    RADEON_ENC_CS(enc->enc_pic.h264_enc_params.input_picture_structure);
89    RADEON_ENC_CS(enc->enc_pic.h264_enc_params.input_pic_order_cnt);
90    RADEON_ENC_CS(enc->enc_pic.h264_enc_params.interlaced_mode);
91    RADEON_ENC_CS(enc->enc_pic.h264_enc_params.picture_info_l0_reference_picture0.pic_type);
92    RADEON_ENC_CS(enc->enc_pic.h264_enc_params.picture_info_l0_reference_picture0.is_long_term);
93    RADEON_ENC_CS(enc->enc_pic.h264_enc_params.picture_info_l0_reference_picture0.picture_structure);
94    RADEON_ENC_CS(enc->enc_pic.h264_enc_params.picture_info_l0_reference_picture0.pic_order_cnt);
95    RADEON_ENC_CS(enc->enc_pic.h264_enc_params.l0_reference_picture1_index);
96    RADEON_ENC_CS(enc->enc_pic.h264_enc_params.picture_info_l0_reference_picture1.pic_type);
97    RADEON_ENC_CS(enc->enc_pic.h264_enc_params.picture_info_l0_reference_picture1.is_long_term);
98    RADEON_ENC_CS(enc->enc_pic.h264_enc_params.picture_info_l0_reference_picture1.picture_structure);
99    RADEON_ENC_CS(enc->enc_pic.h264_enc_params.picture_info_l0_reference_picture1.pic_order_cnt);
100    RADEON_ENC_CS(enc->enc_pic.h264_enc_params.l1_reference_picture0_index);
101    RADEON_ENC_CS(enc->enc_pic.h264_enc_params.picture_info_l1_reference_picture0.pic_type);
102    RADEON_ENC_CS(enc->enc_pic.h264_enc_params.picture_info_l1_reference_picture0.is_long_term);
103    RADEON_ENC_CS(enc->enc_pic.h264_enc_params.picture_info_l1_reference_picture0.picture_structure);
104    RADEON_ENC_CS(enc->enc_pic.h264_enc_params.picture_info_l1_reference_picture0.pic_order_cnt);
105    RADEON_ENC_END();
106 }
107 
radeon_enc_nalu_pps_hevc(struct radeon_encoder * enc)108 static void radeon_enc_nalu_pps_hevc(struct radeon_encoder *enc)
109 {
110    uint32_t *size_in_bytes;
111 
112    RADEON_ENC_BEGIN(enc->cmd.nalu);
113    RADEON_ENC_CS(RENCODE_DIRECT_OUTPUT_NALU_TYPE_PPS);
114    size_in_bytes = &enc->cs.current.buf[enc->cs.current.cdw++];
115 
116    radeon_enc_reset(enc);
117    radeon_enc_set_emulation_prevention(enc, false);
118    radeon_enc_code_fixed_bits(enc, 0x00000001, 32);
119    radeon_enc_code_fixed_bits(enc, 0x4401, 16);
120    radeon_enc_byte_align(enc);
121    radeon_enc_set_emulation_prevention(enc, true);
122    radeon_enc_code_ue(enc, 0x0);
123    radeon_enc_code_ue(enc, 0x0);
124    radeon_enc_code_fixed_bits(enc, 0x1, 1);
125    radeon_enc_code_fixed_bits(enc, 0x0, 4);
126    radeon_enc_code_fixed_bits(enc, 0x0, 1);
127    radeon_enc_code_fixed_bits(enc, 0x1, 1);
128    radeon_enc_code_ue(enc, 0x0);
129    radeon_enc_code_ue(enc, 0x0);
130    radeon_enc_code_se(enc, 0x0);
131    radeon_enc_code_fixed_bits(enc, enc->enc_pic.hevc_spec_misc.constrained_intra_pred_flag, 1);
132    radeon_enc_code_fixed_bits(enc, 0x1, 1);
133    if (enc->enc_pic.rc_session_init.rate_control_method ==
134       RENCODE_RATE_CONTROL_METHOD_NONE)
135       radeon_enc_code_fixed_bits(enc, 0x0, 1);
136    else {
137       radeon_enc_code_fixed_bits(enc, 0x1, 1);
138       radeon_enc_code_ue(enc, 0x0);
139    }
140    radeon_enc_code_se(enc, enc->enc_pic.hevc_deblock.cb_qp_offset);
141    radeon_enc_code_se(enc, enc->enc_pic.hevc_deblock.cr_qp_offset);
142    radeon_enc_code_fixed_bits(enc, 0x0, 1);
143    radeon_enc_code_fixed_bits(enc, 0x0, 2);
144    radeon_enc_code_fixed_bits(enc, 0x0, 1);
145    radeon_enc_code_fixed_bits(enc, 0x0, 1);
146    radeon_enc_code_fixed_bits(enc, 0x0, 1);
147    radeon_enc_code_fixed_bits(enc, enc->enc_pic.hevc_deblock.loop_filter_across_slices_enabled, 1);
148    radeon_enc_code_fixed_bits(enc, 0x1, 1);
149    radeon_enc_code_fixed_bits(enc, 0x0, 1);
150    radeon_enc_code_fixed_bits(enc, enc->enc_pic.hevc_deblock.deblocking_filter_disabled, 1);
151 
152    if (!enc->enc_pic.hevc_deblock.deblocking_filter_disabled) {
153       radeon_enc_code_se(enc, enc->enc_pic.hevc_deblock.beta_offset_div2);
154       radeon_enc_code_se(enc, enc->enc_pic.hevc_deblock.tc_offset_div2);
155    }
156 
157    radeon_enc_code_fixed_bits(enc, 0x0, 1);
158    radeon_enc_code_fixed_bits(enc, 0x0, 1);
159    radeon_enc_code_ue(enc, enc->enc_pic.log2_parallel_merge_level_minus2);
160    radeon_enc_code_fixed_bits(enc, 0x0, 2);
161 
162    radeon_enc_code_fixed_bits(enc, 0x1, 1);
163 
164    radeon_enc_byte_align(enc);
165    radeon_enc_flush_headers(enc);
166    *size_in_bytes = (enc->bits_output + 7) / 8;
167    RADEON_ENC_END();
168 }
169 
radeon_enc_3_0_init(struct radeon_encoder * enc)170 void radeon_enc_3_0_init(struct radeon_encoder *enc)
171 {
172    radeon_enc_2_0_init(enc);
173 
174    if (u_reduce_video_profile(enc->base.profile) == PIPE_VIDEO_FORMAT_MPEG4_AVC) {
175       enc->spec_misc = radeon_enc_spec_misc;
176       enc->encode_params_codec_spec = radeon_enc_encode_params_h264;
177       enc->quality_params = radeon_enc_quality_params;
178    }
179 
180    if (u_reduce_video_profile(enc->base.profile) == PIPE_VIDEO_FORMAT_HEVC)
181       enc->nalu_pps = radeon_enc_nalu_pps_hevc;
182 
183    enc->enc_pic.session_info.interface_version =
184       ((RENCODE_FW_INTERFACE_MAJOR_VERSION << RENCODE_IF_MAJOR_VERSION_SHIFT) |
185       (RENCODE_FW_INTERFACE_MINOR_VERSION << RENCODE_IF_MINOR_VERSION_SHIFT));
186 }
187