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1 /**************************************************************************
2  *
3  * Copyright 2018 Advanced Micro Devices, Inc.
4  *
5  * SPDX-License-Identifier: MIT
6  *
7  **************************************************************************/
8 
9 #include "pipe/p_video_codec.h"
10 #include "radeon_uvd_enc.h"
11 #include "radeon_video.h"
12 #include "radeonsi/si_pipe.h"
13 #include "util/u_memory.h"
14 #include "util/u_video.h"
15 #include "vl/vl_video_buffer.h"
16 
17 #include <stdio.h>
18 
19 #define RADEON_ENC_CS(value) (enc->cs.current.buf[enc->cs.current.cdw++] = (value))
20 #define RADEON_ENC_BEGIN(cmd)                                                                      \
21    {                                                                                               \
22       uint32_t *begin = &enc->cs.current.buf[enc->cs.current.cdw++];                             \
23       RADEON_ENC_CS(cmd)
24 #define RADEON_ENC_READ(buf, domain, off)                                                          \
25    radeon_uvd_enc_add_buffer(enc, (buf), RADEON_USAGE_READ, (domain), (off))
26 #define RADEON_ENC_WRITE(buf, domain, off)                                                         \
27    radeon_uvd_enc_add_buffer(enc, (buf), RADEON_USAGE_WRITE, (domain), (off))
28 #define RADEON_ENC_READWRITE(buf, domain, off)                                                     \
29    radeon_uvd_enc_add_buffer(enc, (buf), RADEON_USAGE_READWRITE, (domain), (off))
30 #define RADEON_ENC_END()                                                                           \
31    *begin = (&enc->cs.current.buf[enc->cs.current.cdw] - begin) * 4;                             \
32    enc->total_task_size += *begin;                                                                 \
33    }
34 
35 static const unsigned index_to_shifts[4] = {24, 16, 8, 0};
36 
radeon_uvd_enc_add_buffer(struct radeon_uvd_encoder * enc,struct pb_buffer_lean * buf,unsigned usage,enum radeon_bo_domain domain,signed offset)37 static void radeon_uvd_enc_add_buffer(struct radeon_uvd_encoder *enc, struct pb_buffer_lean *buf,
38                                       unsigned usage, enum radeon_bo_domain domain,
39                                       signed offset)
40 {
41    enc->ws->cs_add_buffer(&enc->cs, buf, usage | RADEON_USAGE_SYNCHRONIZED, domain);
42    uint64_t addr;
43    addr = enc->ws->buffer_get_virtual_address(buf);
44    addr = addr + offset;
45    RADEON_ENC_CS(addr >> 32);
46    RADEON_ENC_CS(addr);
47 }
48 
radeon_uvd_enc_set_emulation_prevention(struct radeon_uvd_encoder * enc,bool set)49 static void radeon_uvd_enc_set_emulation_prevention(struct radeon_uvd_encoder *enc, bool set)
50 {
51    if (set != enc->emulation_prevention) {
52       enc->emulation_prevention = set;
53       enc->num_zeros = 0;
54    }
55 }
56 
radeon_uvd_enc_output_one_byte(struct radeon_uvd_encoder * enc,unsigned char byte)57 static void radeon_uvd_enc_output_one_byte(struct radeon_uvd_encoder *enc, unsigned char byte)
58 {
59    if (enc->byte_index == 0)
60       enc->cs.current.buf[enc->cs.current.cdw] = 0;
61    enc->cs.current.buf[enc->cs.current.cdw] |=
62       ((unsigned int)(byte) << index_to_shifts[enc->byte_index]);
63    enc->byte_index++;
64 
65    if (enc->byte_index >= 4) {
66       enc->byte_index = 0;
67       enc->cs.current.cdw++;
68    }
69 }
70 
radeon_uvd_enc_emulation_prevention(struct radeon_uvd_encoder * enc,unsigned char byte)71 static void radeon_uvd_enc_emulation_prevention(struct radeon_uvd_encoder *enc, unsigned char byte)
72 {
73    if (enc->emulation_prevention) {
74       if ((enc->num_zeros >= 2) &&
75           ((byte == 0x00) || (byte == 0x01) || (byte == 0x02) || (byte == 0x03))) {
76          radeon_uvd_enc_output_one_byte(enc, 0x03);
77          enc->bits_output += 8;
78          enc->num_zeros = 0;
79       }
80       enc->num_zeros = (byte == 0 ? (enc->num_zeros + 1) : 0);
81    }
82 }
83 
radeon_uvd_enc_code_fixed_bits(struct radeon_uvd_encoder * enc,unsigned int value,unsigned int num_bits)84 static void radeon_uvd_enc_code_fixed_bits(struct radeon_uvd_encoder *enc, unsigned int value,
85                                            unsigned int num_bits)
86 {
87    unsigned int bits_to_pack = 0;
88 
89    while (num_bits > 0) {
90       unsigned int value_to_pack = value & (0xffffffff >> (32 - num_bits));
91       bits_to_pack =
92          num_bits > (32 - enc->bits_in_shifter) ? (32 - enc->bits_in_shifter) : num_bits;
93 
94       if (bits_to_pack < num_bits)
95          value_to_pack = value_to_pack >> (num_bits - bits_to_pack);
96 
97       enc->shifter |= value_to_pack << (32 - enc->bits_in_shifter - bits_to_pack);
98       num_bits -= bits_to_pack;
99       enc->bits_in_shifter += bits_to_pack;
100 
101       while (enc->bits_in_shifter >= 8) {
102          unsigned char output_byte = (unsigned char)(enc->shifter >> 24);
103          enc->shifter <<= 8;
104          radeon_uvd_enc_emulation_prevention(enc, output_byte);
105          radeon_uvd_enc_output_one_byte(enc, output_byte);
106          enc->bits_in_shifter -= 8;
107          enc->bits_output += 8;
108       }
109    }
110 }
111 
radeon_uvd_enc_reset(struct radeon_uvd_encoder * enc)112 static void radeon_uvd_enc_reset(struct radeon_uvd_encoder *enc)
113 {
114    enc->emulation_prevention = false;
115    enc->shifter = 0;
116    enc->bits_in_shifter = 0;
117    enc->bits_output = 0;
118    enc->num_zeros = 0;
119    enc->byte_index = 0;
120 }
121 
radeon_uvd_enc_byte_align(struct radeon_uvd_encoder * enc)122 static void radeon_uvd_enc_byte_align(struct radeon_uvd_encoder *enc)
123 {
124    unsigned int num_padding_zeros = (32 - enc->bits_in_shifter) % 8;
125 
126    if (num_padding_zeros > 0)
127       radeon_uvd_enc_code_fixed_bits(enc, 0, num_padding_zeros);
128 }
129 
radeon_uvd_enc_flush_headers(struct radeon_uvd_encoder * enc)130 static void radeon_uvd_enc_flush_headers(struct radeon_uvd_encoder *enc)
131 {
132    if (enc->bits_in_shifter != 0) {
133       unsigned char output_byte = (unsigned char)(enc->shifter >> 24);
134       radeon_uvd_enc_emulation_prevention(enc, output_byte);
135       radeon_uvd_enc_output_one_byte(enc, output_byte);
136       enc->bits_output += enc->bits_in_shifter;
137       enc->shifter = 0;
138       enc->bits_in_shifter = 0;
139       enc->num_zeros = 0;
140    }
141 
142    if (enc->byte_index > 0) {
143       enc->cs.current.cdw++;
144       enc->byte_index = 0;
145    }
146 }
147 
radeon_uvd_enc_code_ue(struct radeon_uvd_encoder * enc,unsigned int value)148 static void radeon_uvd_enc_code_ue(struct radeon_uvd_encoder *enc, unsigned int value)
149 {
150    int x = -1;
151    unsigned int ue_code = value + 1;
152    value += 1;
153 
154    while (value) {
155       value = (value >> 1);
156       x += 1;
157    }
158 
159    unsigned int ue_length = (x << 1) + 1;
160    radeon_uvd_enc_code_fixed_bits(enc, ue_code, ue_length);
161 }
162 
radeon_uvd_enc_code_se(struct radeon_uvd_encoder * enc,int value)163 static void radeon_uvd_enc_code_se(struct radeon_uvd_encoder *enc, int value)
164 {
165    unsigned int v = 0;
166 
167    if (value != 0)
168       v = (value < 0 ? ((unsigned int)(0 - value) << 1) : (((unsigned int)(value) << 1) - 1));
169 
170    radeon_uvd_enc_code_ue(enc, v);
171 }
172 
radeon_uvd_enc_session_info(struct radeon_uvd_encoder * enc)173 static void radeon_uvd_enc_session_info(struct radeon_uvd_encoder *enc)
174 {
175    unsigned int interface_version =
176       ((RENC_UVD_FW_INTERFACE_MAJOR_VERSION << RENC_UVD_IF_MAJOR_VERSION_SHIFT) |
177        (RENC_UVD_FW_INTERFACE_MINOR_VERSION << RENC_UVD_IF_MINOR_VERSION_SHIFT));
178    RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_SESSION_INFO);
179    RADEON_ENC_CS(0x00000000); // reserved
180    RADEON_ENC_CS(interface_version);
181    RADEON_ENC_READWRITE(enc->si->res->buf, enc->si->res->domains, 0x0);
182    RADEON_ENC_END();
183 }
184 
radeon_uvd_enc_task_info(struct radeon_uvd_encoder * enc,bool need_feedback)185 static void radeon_uvd_enc_task_info(struct radeon_uvd_encoder *enc, bool need_feedback)
186 {
187    enc->enc_pic.task_info.task_id++;
188 
189    if (need_feedback)
190       enc->enc_pic.task_info.allowed_max_num_feedbacks = 1;
191    else
192       enc->enc_pic.task_info.allowed_max_num_feedbacks = 0;
193 
194    RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_TASK_INFO);
195    enc->p_task_size = &enc->cs.current.buf[enc->cs.current.cdw++];
196    RADEON_ENC_CS(enc->enc_pic.task_info.task_id);
197    RADEON_ENC_CS(enc->enc_pic.task_info.allowed_max_num_feedbacks);
198    RADEON_ENC_END();
199 }
200 
radeon_uvd_enc_session_init_hevc(struct radeon_uvd_encoder * enc)201 static void radeon_uvd_enc_session_init_hevc(struct radeon_uvd_encoder *enc)
202 {
203    enc->enc_pic.session_init.aligned_picture_width = align(enc->base.width, 64);
204    enc->enc_pic.session_init.aligned_picture_height = align(enc->base.height, 16);
205    enc->enc_pic.session_init.padding_width =
206       enc->enc_pic.session_init.aligned_picture_width - enc->base.width;
207    enc->enc_pic.session_init.padding_height =
208       enc->enc_pic.session_init.aligned_picture_height - enc->base.height;
209    enc->enc_pic.session_init.pre_encode_mode = RENC_UVD_PREENCODE_MODE_NONE;
210    enc->enc_pic.session_init.pre_encode_chroma_enabled = false;
211 
212    RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_SESSION_INIT);
213    RADEON_ENC_CS(enc->enc_pic.session_init.aligned_picture_width);
214    RADEON_ENC_CS(enc->enc_pic.session_init.aligned_picture_height);
215    RADEON_ENC_CS(enc->enc_pic.session_init.padding_width);
216    RADEON_ENC_CS(enc->enc_pic.session_init.padding_height);
217    RADEON_ENC_CS(enc->enc_pic.session_init.pre_encode_mode);
218    RADEON_ENC_CS(enc->enc_pic.session_init.pre_encode_chroma_enabled);
219    RADEON_ENC_END();
220 }
221 
radeon_uvd_enc_layer_control(struct radeon_uvd_encoder * enc)222 static void radeon_uvd_enc_layer_control(struct radeon_uvd_encoder *enc)
223 {
224    enc->enc_pic.layer_ctrl.max_num_temporal_layers = 1;
225    enc->enc_pic.layer_ctrl.num_temporal_layers = 1;
226 
227    RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_LAYER_CONTROL);
228    RADEON_ENC_CS(enc->enc_pic.layer_ctrl.max_num_temporal_layers);
229    RADEON_ENC_CS(enc->enc_pic.layer_ctrl.num_temporal_layers);
230    RADEON_ENC_END();
231 }
232 
radeon_uvd_enc_layer_select(struct radeon_uvd_encoder * enc)233 static void radeon_uvd_enc_layer_select(struct radeon_uvd_encoder *enc)
234 {
235    enc->enc_pic.layer_sel.temporal_layer_index = 0;
236 
237    RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_LAYER_SELECT);
238    RADEON_ENC_CS(enc->enc_pic.layer_sel.temporal_layer_index);
239    RADEON_ENC_END();
240 }
241 
radeon_uvd_enc_slice_control_hevc(struct radeon_uvd_encoder * enc)242 static void radeon_uvd_enc_slice_control_hevc(struct radeon_uvd_encoder *enc)
243 {
244    enc->enc_pic.hevc_slice_ctrl.slice_control_mode = RENC_UVD_SLICE_CONTROL_MODE_FIXED_CTBS;
245    enc->enc_pic.hevc_slice_ctrl.fixed_ctbs_per_slice.num_ctbs_per_slice =
246       align(enc->base.width, 64) / 64 * align(enc->base.height, 64) / 64;
247    enc->enc_pic.hevc_slice_ctrl.fixed_ctbs_per_slice.num_ctbs_per_slice_segment =
248       enc->enc_pic.hevc_slice_ctrl.fixed_ctbs_per_slice.num_ctbs_per_slice;
249 
250    RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_SLICE_CONTROL);
251    RADEON_ENC_CS(enc->enc_pic.hevc_slice_ctrl.slice_control_mode);
252    RADEON_ENC_CS(enc->enc_pic.hevc_slice_ctrl.fixed_ctbs_per_slice.num_ctbs_per_slice);
253    RADEON_ENC_CS(enc->enc_pic.hevc_slice_ctrl.fixed_ctbs_per_slice.num_ctbs_per_slice_segment);
254    RADEON_ENC_END();
255 }
256 
radeon_uvd_enc_spec_misc_hevc(struct radeon_uvd_encoder * enc,struct pipe_picture_desc * picture)257 static void radeon_uvd_enc_spec_misc_hevc(struct radeon_uvd_encoder *enc,
258                                           struct pipe_picture_desc *picture)
259 {
260    struct pipe_h265_enc_picture_desc *pic = (struct pipe_h265_enc_picture_desc *)picture;
261    enc->enc_pic.hevc_spec_misc.log2_min_luma_coding_block_size_minus3 =
262       pic->seq.log2_min_luma_coding_block_size_minus3;
263    enc->enc_pic.hevc_spec_misc.amp_disabled = !pic->seq.amp_enabled_flag;
264    enc->enc_pic.hevc_spec_misc.strong_intra_smoothing_enabled =
265       pic->seq.strong_intra_smoothing_enabled_flag;
266    enc->enc_pic.hevc_spec_misc.constrained_intra_pred_flag = pic->pic.constrained_intra_pred_flag;
267    enc->enc_pic.hevc_spec_misc.cabac_init_flag = pic->slice.cabac_init_flag;
268    enc->enc_pic.hevc_spec_misc.half_pel_enabled = 1;
269    enc->enc_pic.hevc_spec_misc.quarter_pel_enabled = 1;
270 
271    RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_SPEC_MISC);
272    RADEON_ENC_CS(enc->enc_pic.hevc_spec_misc.log2_min_luma_coding_block_size_minus3);
273    RADEON_ENC_CS(enc->enc_pic.hevc_spec_misc.amp_disabled);
274    RADEON_ENC_CS(enc->enc_pic.hevc_spec_misc.strong_intra_smoothing_enabled);
275    RADEON_ENC_CS(enc->enc_pic.hevc_spec_misc.constrained_intra_pred_flag);
276    RADEON_ENC_CS(enc->enc_pic.hevc_spec_misc.cabac_init_flag);
277    RADEON_ENC_CS(enc->enc_pic.hevc_spec_misc.half_pel_enabled);
278    RADEON_ENC_CS(enc->enc_pic.hevc_spec_misc.quarter_pel_enabled);
279    RADEON_ENC_END();
280 }
281 
radeon_uvd_enc_rc_session_init(struct radeon_uvd_encoder * enc,struct pipe_picture_desc * picture)282 static void radeon_uvd_enc_rc_session_init(struct radeon_uvd_encoder *enc,
283                                            struct pipe_picture_desc *picture)
284 {
285    struct pipe_h265_enc_picture_desc *pic = (struct pipe_h265_enc_picture_desc *)picture;
286    enc->enc_pic.rc_session_init.vbv_buffer_level = pic->rc.vbv_buf_lv;
287    switch (pic->rc.rate_ctrl_method) {
288    case PIPE_H2645_ENC_RATE_CONTROL_METHOD_DISABLE:
289       enc->enc_pic.rc_session_init.rate_control_method = RENC_UVD_RATE_CONTROL_METHOD_NONE;
290       break;
291    case PIPE_H2645_ENC_RATE_CONTROL_METHOD_CONSTANT_SKIP:
292    case PIPE_H2645_ENC_RATE_CONTROL_METHOD_CONSTANT:
293       enc->enc_pic.rc_session_init.rate_control_method = RENC_UVD_RATE_CONTROL_METHOD_CBR;
294       break;
295    case PIPE_H2645_ENC_RATE_CONTROL_METHOD_VARIABLE_SKIP:
296    case PIPE_H2645_ENC_RATE_CONTROL_METHOD_VARIABLE:
297       enc->enc_pic.rc_session_init.rate_control_method =
298          RENC_UVD_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR;
299       break;
300    default:
301       enc->enc_pic.rc_session_init.rate_control_method = RENC_UVD_RATE_CONTROL_METHOD_NONE;
302    }
303 
304    RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_RATE_CONTROL_SESSION_INIT);
305    RADEON_ENC_CS(enc->enc_pic.rc_session_init.rate_control_method);
306    RADEON_ENC_CS(enc->enc_pic.rc_session_init.vbv_buffer_level);
307    RADEON_ENC_END();
308 }
309 
radeon_uvd_enc_rc_layer_init(struct radeon_uvd_encoder * enc,struct pipe_picture_desc * picture)310 static void radeon_uvd_enc_rc_layer_init(struct radeon_uvd_encoder *enc,
311                                          struct pipe_picture_desc *picture)
312 {
313    struct pipe_h265_enc_picture_desc *pic = (struct pipe_h265_enc_picture_desc *)picture;
314    enc->enc_pic.rc_layer_init.target_bit_rate = pic->rc.target_bitrate;
315    enc->enc_pic.rc_layer_init.peak_bit_rate = pic->rc.peak_bitrate;
316    enc->enc_pic.rc_layer_init.frame_rate_num = pic->rc.frame_rate_num;
317    enc->enc_pic.rc_layer_init.frame_rate_den = pic->rc.frame_rate_den;
318    enc->enc_pic.rc_layer_init.vbv_buffer_size = pic->rc.vbv_buffer_size;
319    enc->enc_pic.rc_layer_init.avg_target_bits_per_picture = pic->rc.target_bits_picture;
320    enc->enc_pic.rc_layer_init.peak_bits_per_picture_integer = pic->rc.peak_bits_picture_integer;
321    enc->enc_pic.rc_layer_init.peak_bits_per_picture_fractional = pic->rc.peak_bits_picture_fraction;
322 
323    RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_RATE_CONTROL_LAYER_INIT);
324    RADEON_ENC_CS(enc->enc_pic.rc_layer_init.target_bit_rate);
325    RADEON_ENC_CS(enc->enc_pic.rc_layer_init.peak_bit_rate);
326    RADEON_ENC_CS(enc->enc_pic.rc_layer_init.frame_rate_num);
327    RADEON_ENC_CS(enc->enc_pic.rc_layer_init.frame_rate_den);
328    RADEON_ENC_CS(enc->enc_pic.rc_layer_init.vbv_buffer_size);
329    RADEON_ENC_CS(enc->enc_pic.rc_layer_init.avg_target_bits_per_picture);
330    RADEON_ENC_CS(enc->enc_pic.rc_layer_init.peak_bits_per_picture_integer);
331    RADEON_ENC_CS(enc->enc_pic.rc_layer_init.peak_bits_per_picture_fractional);
332    RADEON_ENC_END();
333 }
334 
radeon_uvd_enc_deblocking_filter_hevc(struct radeon_uvd_encoder * enc,struct pipe_picture_desc * picture)335 static void radeon_uvd_enc_deblocking_filter_hevc(struct radeon_uvd_encoder *enc,
336                                                   struct pipe_picture_desc *picture)
337 {
338    struct pipe_h265_enc_picture_desc *pic = (struct pipe_h265_enc_picture_desc *)picture;
339    enc->enc_pic.hevc_deblock.loop_filter_across_slices_enabled =
340       pic->slice.slice_loop_filter_across_slices_enabled_flag;
341    enc->enc_pic.hevc_deblock.deblocking_filter_disabled =
342       pic->slice.slice_deblocking_filter_disabled_flag;
343    enc->enc_pic.hevc_deblock.beta_offset_div2 = pic->slice.slice_beta_offset_div2;
344    enc->enc_pic.hevc_deblock.tc_offset_div2 = pic->slice.slice_tc_offset_div2;
345    enc->enc_pic.hevc_deblock.cb_qp_offset = pic->slice.slice_cb_qp_offset;
346    enc->enc_pic.hevc_deblock.cr_qp_offset = pic->slice.slice_cr_qp_offset;
347 
348    RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_DEBLOCKING_FILTER);
349    RADEON_ENC_CS(enc->enc_pic.hevc_deblock.loop_filter_across_slices_enabled);
350    RADEON_ENC_CS(enc->enc_pic.hevc_deblock.deblocking_filter_disabled);
351    RADEON_ENC_CS(enc->enc_pic.hevc_deblock.beta_offset_div2);
352    RADEON_ENC_CS(enc->enc_pic.hevc_deblock.tc_offset_div2);
353    RADEON_ENC_CS(enc->enc_pic.hevc_deblock.cb_qp_offset);
354    RADEON_ENC_CS(enc->enc_pic.hevc_deblock.cr_qp_offset);
355    RADEON_ENC_END();
356 }
357 
radeon_uvd_enc_quality_params(struct radeon_uvd_encoder * enc)358 static void radeon_uvd_enc_quality_params(struct radeon_uvd_encoder *enc)
359 {
360    enc->enc_pic.quality_params.vbaq_mode = 0;
361    enc->enc_pic.quality_params.scene_change_sensitivity = 0;
362    enc->enc_pic.quality_params.scene_change_min_idr_interval = 0;
363 
364    RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_QUALITY_PARAMS);
365    RADEON_ENC_CS(enc->enc_pic.quality_params.vbaq_mode);
366    RADEON_ENC_CS(enc->enc_pic.quality_params.scene_change_sensitivity);
367    RADEON_ENC_CS(enc->enc_pic.quality_params.scene_change_min_idr_interval);
368    RADEON_ENC_END();
369 }
370 
radeon_uvd_enc_nalu_sps_hevc(struct radeon_uvd_encoder * enc)371 static void radeon_uvd_enc_nalu_sps_hevc(struct radeon_uvd_encoder *enc)
372 {
373    RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_INSERT_NALU_BUFFER);
374    RADEON_ENC_CS(RENC_UVD_NALU_TYPE_SPS);
375    uint32_t *size_in_bytes = &enc->cs.current.buf[enc->cs.current.cdw++];
376    int i;
377 
378    radeon_uvd_enc_reset(enc);
379    radeon_uvd_enc_set_emulation_prevention(enc, false);
380    radeon_uvd_enc_code_fixed_bits(enc, 0x00000001, 32);
381    radeon_uvd_enc_code_fixed_bits(enc, 0x4201, 16);
382    radeon_uvd_enc_byte_align(enc);
383    radeon_uvd_enc_set_emulation_prevention(enc, true);
384    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 4);
385    radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.layer_ctrl.max_num_temporal_layers - 1, 3);
386    radeon_uvd_enc_code_fixed_bits(enc, 0x1, 1);
387    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 2);
388    radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.general_tier_flag, 1);
389    radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.general_profile_idc, 5);
390    radeon_uvd_enc_code_fixed_bits(enc, 0x60000000, 32);
391    radeon_uvd_enc_code_fixed_bits(enc, 0xb0000000, 32);
392    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 16);
393    radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.general_level_idc, 8);
394 
395    for (i = 0; i < (enc->enc_pic.layer_ctrl.max_num_temporal_layers - 1); i++)
396       radeon_uvd_enc_code_fixed_bits(enc, 0x0, 2);
397 
398    if ((enc->enc_pic.layer_ctrl.max_num_temporal_layers - 1) > 0) {
399       for (i = (enc->enc_pic.layer_ctrl.max_num_temporal_layers - 1); i < 8; i++)
400          radeon_uvd_enc_code_fixed_bits(enc, 0x0, 2);
401    }
402 
403    radeon_uvd_enc_code_ue(enc, 0x0);
404    radeon_uvd_enc_code_ue(enc, enc->enc_pic.chroma_format_idc);
405    radeon_uvd_enc_code_ue(enc, enc->enc_pic.session_init.aligned_picture_width);
406    radeon_uvd_enc_code_ue(enc, enc->enc_pic.session_init.aligned_picture_height);
407 
408    int conformance_window_flag = (enc->enc_pic.crop_top > 0) || (enc->enc_pic.crop_bottom > 0) ||
409                                        (enc->enc_pic.crop_left > 0) || (enc->enc_pic.crop_right > 0)
410                                     ? 0x1
411                                     : 0x0;
412    radeon_uvd_enc_code_fixed_bits(enc, conformance_window_flag, 1);
413 
414    if (conformance_window_flag == 1) {
415       radeon_uvd_enc_code_ue(enc, enc->enc_pic.crop_left);
416       radeon_uvd_enc_code_ue(enc, enc->enc_pic.crop_right);
417       radeon_uvd_enc_code_ue(enc, enc->enc_pic.crop_top);
418       radeon_uvd_enc_code_ue(enc, enc->enc_pic.crop_bottom);
419    }
420 
421    radeon_uvd_enc_code_ue(enc, enc->enc_pic.bit_depth_luma_minus8);
422    radeon_uvd_enc_code_ue(enc, enc->enc_pic.bit_depth_chroma_minus8);
423    radeon_uvd_enc_code_ue(enc, enc->enc_pic.log2_max_poc - 4);
424    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
425    radeon_uvd_enc_code_ue(enc, 1);
426    radeon_uvd_enc_code_ue(enc, 0x0);
427    radeon_uvd_enc_code_ue(enc, 0x0);
428    radeon_uvd_enc_code_ue(enc, enc->enc_pic.hevc_spec_misc.log2_min_luma_coding_block_size_minus3);
429    /* Only support CTBSize 64 */
430    radeon_uvd_enc_code_ue(
431       enc, 6 - (enc->enc_pic.hevc_spec_misc.log2_min_luma_coding_block_size_minus3 + 3));
432    radeon_uvd_enc_code_ue(enc, enc->enc_pic.log2_min_transform_block_size_minus2);
433    radeon_uvd_enc_code_ue(enc, enc->enc_pic.log2_diff_max_min_transform_block_size);
434    radeon_uvd_enc_code_ue(enc, enc->enc_pic.max_transform_hierarchy_depth_inter);
435    radeon_uvd_enc_code_ue(enc, enc->enc_pic.max_transform_hierarchy_depth_intra);
436 
437    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
438    radeon_uvd_enc_code_fixed_bits(enc, !enc->enc_pic.hevc_spec_misc.amp_disabled, 1);
439    radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.sample_adaptive_offset_enabled_flag, 1);
440    radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.pcm_enabled_flag, 1);
441 
442    radeon_uvd_enc_code_ue(enc, 1);
443    radeon_uvd_enc_code_ue(enc, 1);
444    radeon_uvd_enc_code_ue(enc, 0);
445    radeon_uvd_enc_code_ue(enc, 0);
446    radeon_uvd_enc_code_fixed_bits(enc, 0x1, 1);
447 
448    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
449 
450    radeon_uvd_enc_code_fixed_bits(enc, 0, 1);
451    radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.hevc_spec_misc.strong_intra_smoothing_enabled,
452                                   1);
453 
454    radeon_uvd_enc_code_fixed_bits(enc, (enc->enc_pic.vui_info.vui_parameters_present_flag), 1);
455    if (enc->enc_pic.vui_info.vui_parameters_present_flag) {
456       /* aspect ratio present flag */
457       radeon_uvd_enc_code_fixed_bits(enc, (enc->enc_pic.vui_info.flags.aspect_ratio_info_present_flag), 1);
458       if (enc->enc_pic.vui_info.flags.aspect_ratio_info_present_flag) {
459          radeon_uvd_enc_code_fixed_bits(enc, (enc->enc_pic.vui_info.aspect_ratio_idc), 8);
460          if (enc->enc_pic.vui_info.aspect_ratio_idc == PIPE_H2645_EXTENDED_SAR) {
461             radeon_uvd_enc_code_fixed_bits(enc, (enc->enc_pic.vui_info.sar_width), 16);
462             radeon_uvd_enc_code_fixed_bits(enc, (enc->enc_pic.vui_info.sar_height), 16);
463          }
464       }
465       radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);  /* overscan info present flag */
466       /* video signal type present flag  */
467       radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.vui_info.flags.video_signal_type_present_flag, 1);
468       if (enc->enc_pic.vui_info.flags.video_signal_type_present_flag) {
469          radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.vui_info.video_format, 3);
470          radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.vui_info.video_full_range_flag, 1);
471          radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.vui_info.flags.colour_description_present_flag, 1);
472          if (enc->enc_pic.vui_info.flags.colour_description_present_flag) {
473             radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.vui_info.colour_primaries, 8);
474             radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.vui_info.transfer_characteristics, 8);
475             radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.vui_info.matrix_coefficients, 8);
476          }
477       }
478       /* chroma loc info present flag */
479       radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.vui_info.flags.chroma_loc_info_present_flag, 1);
480       if (enc->enc_pic.vui_info.flags.chroma_loc_info_present_flag) {
481          radeon_uvd_enc_code_ue(enc, enc->enc_pic.vui_info.chroma_sample_loc_type_top_field);
482          radeon_uvd_enc_code_ue(enc, enc->enc_pic.vui_info.chroma_sample_loc_type_bottom_field);
483       }
484       radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);  /* neutral chroma indication flag */
485       radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);  /* field seq flag */
486       radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);  /* frame field info present flag */
487       radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);  /* default display windows flag */
488       /* vui timing info present flag */
489       radeon_uvd_enc_code_fixed_bits(enc, (enc->enc_pic.vui_info.flags.timing_info_present_flag), 1);
490       if (enc->enc_pic.vui_info.flags.timing_info_present_flag) {
491          radeon_uvd_enc_code_fixed_bits(enc, (enc->enc_pic.vui_info.num_units_in_tick), 32);
492          radeon_uvd_enc_code_fixed_bits(enc, (enc->enc_pic.vui_info.time_scale), 32);
493          radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
494          radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
495       }
496       radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);  /* bitstream restriction flag */
497    }
498 
499    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
500 
501    radeon_uvd_enc_code_fixed_bits(enc, 0x1, 1);
502 
503    radeon_uvd_enc_byte_align(enc);
504    radeon_uvd_enc_flush_headers(enc);
505    *size_in_bytes = (enc->bits_output + 7) / 8;
506    RADEON_ENC_END();
507 }
508 
radeon_uvd_enc_nalu_pps_hevc(struct radeon_uvd_encoder * enc)509 static void radeon_uvd_enc_nalu_pps_hevc(struct radeon_uvd_encoder *enc)
510 {
511    RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_INSERT_NALU_BUFFER);
512    RADEON_ENC_CS(RENC_UVD_NALU_TYPE_PPS);
513    uint32_t *size_in_bytes = &enc->cs.current.buf[enc->cs.current.cdw++];
514    radeon_uvd_enc_reset(enc);
515    radeon_uvd_enc_set_emulation_prevention(enc, false);
516    radeon_uvd_enc_code_fixed_bits(enc, 0x00000001, 32);
517    radeon_uvd_enc_code_fixed_bits(enc, 0x4401, 16);
518    radeon_uvd_enc_byte_align(enc);
519    radeon_uvd_enc_set_emulation_prevention(enc, true);
520    radeon_uvd_enc_code_ue(enc, 0x0);
521    radeon_uvd_enc_code_ue(enc, 0x0);
522    radeon_uvd_enc_code_fixed_bits(enc, 0x1, 1);
523    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1); /* output_flag_resent_flag */
524    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 3); /* num_extra_slice_header_bits */
525    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
526    radeon_uvd_enc_code_fixed_bits(enc, 0x1, 1);
527    radeon_uvd_enc_code_ue(enc, 0x0);
528    radeon_uvd_enc_code_ue(enc, 0x0);
529    radeon_uvd_enc_code_se(enc, 0x0);
530    radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.hevc_spec_misc.constrained_intra_pred_flag, 1);
531    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
532    if (enc->enc_pic.rc_session_init.rate_control_method == RENC_UVD_RATE_CONTROL_METHOD_NONE)
533       radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
534    else {
535       radeon_uvd_enc_code_fixed_bits(enc, 0x1, 1);
536       radeon_uvd_enc_code_ue(enc, 0x0);
537    }
538    radeon_uvd_enc_code_se(enc, enc->enc_pic.hevc_deblock.cb_qp_offset);
539    radeon_uvd_enc_code_se(enc, enc->enc_pic.hevc_deblock.cr_qp_offset);
540    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
541    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 2);
542    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
543    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
544    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
545    radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.hevc_deblock.loop_filter_across_slices_enabled,
546                                   1);
547    radeon_uvd_enc_code_fixed_bits(enc, 0x1, 1);
548    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
549    radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.hevc_deblock.deblocking_filter_disabled, 1);
550 
551    if (!enc->enc_pic.hevc_deblock.deblocking_filter_disabled) {
552       radeon_uvd_enc_code_se(enc, enc->enc_pic.hevc_deblock.beta_offset_div2);
553       radeon_uvd_enc_code_se(enc, enc->enc_pic.hevc_deblock.tc_offset_div2);
554    }
555 
556    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
557    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
558    radeon_uvd_enc_code_ue(enc, enc->enc_pic.log2_parallel_merge_level_minus2);
559    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 2);
560 
561    radeon_uvd_enc_code_fixed_bits(enc, 0x1, 1);
562 
563    radeon_uvd_enc_byte_align(enc);
564    radeon_uvd_enc_flush_headers(enc);
565    *size_in_bytes = (enc->bits_output + 7) / 8;
566    RADEON_ENC_END();
567 }
568 
radeon_uvd_enc_nalu_vps_hevc(struct radeon_uvd_encoder * enc)569 static void radeon_uvd_enc_nalu_vps_hevc(struct radeon_uvd_encoder *enc)
570 {
571    RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_INSERT_NALU_BUFFER);
572    RADEON_ENC_CS(RENC_UVD_NALU_TYPE_VPS);
573    uint32_t *size_in_bytes = &enc->cs.current.buf[enc->cs.current.cdw++];
574    int i;
575 
576    radeon_uvd_enc_reset(enc);
577    radeon_uvd_enc_set_emulation_prevention(enc, false);
578    radeon_uvd_enc_code_fixed_bits(enc, 0x00000001, 32);
579    radeon_uvd_enc_code_fixed_bits(enc, 0x4001, 16);
580    radeon_uvd_enc_byte_align(enc);
581    radeon_uvd_enc_set_emulation_prevention(enc, true);
582 
583    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 4);
584    radeon_uvd_enc_code_fixed_bits(enc, 0x3, 2);
585    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 6);
586    radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.layer_ctrl.max_num_temporal_layers - 1, 3);
587    radeon_uvd_enc_code_fixed_bits(enc, 0x1, 1);
588    radeon_uvd_enc_code_fixed_bits(enc, 0xffff, 16);
589    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 2);
590    radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.general_tier_flag, 1);
591    radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.general_profile_idc, 5);
592    radeon_uvd_enc_code_fixed_bits(enc, 0x60000000, 32);
593    radeon_uvd_enc_code_fixed_bits(enc, 0xb0000000, 32);
594    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 16);
595    radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.general_level_idc, 8);
596 
597    for (i = 0; i < (enc->enc_pic.layer_ctrl.max_num_temporal_layers - 1); i++)
598       radeon_uvd_enc_code_fixed_bits(enc, 0x0, 2);
599 
600    if ((enc->enc_pic.layer_ctrl.max_num_temporal_layers - 1) > 0) {
601       for (i = (enc->enc_pic.layer_ctrl.max_num_temporal_layers - 1); i < 8; i++)
602          radeon_uvd_enc_code_fixed_bits(enc, 0x0, 2);
603    }
604 
605    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
606    radeon_uvd_enc_code_ue(enc, 0x1);
607    radeon_uvd_enc_code_ue(enc, 0x0);
608    radeon_uvd_enc_code_ue(enc, 0x0);
609 
610    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 6);
611    radeon_uvd_enc_code_ue(enc, 0x0);
612    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
613    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
614 
615    radeon_uvd_enc_code_fixed_bits(enc, 0x1, 1);
616 
617    radeon_uvd_enc_byte_align(enc);
618    radeon_uvd_enc_flush_headers(enc);
619    *size_in_bytes = (enc->bits_output + 7) / 8;
620    RADEON_ENC_END();
621 }
622 
radeon_uvd_enc_nalu_aud_hevc(struct radeon_uvd_encoder * enc)623 static void radeon_uvd_enc_nalu_aud_hevc(struct radeon_uvd_encoder *enc)
624 {
625    RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_INSERT_NALU_BUFFER);
626    RADEON_ENC_CS(RENC_UVD_NALU_TYPE_AUD);
627    uint32_t *size_in_bytes = &enc->cs.current.buf[enc->cs.current.cdw++];
628    radeon_uvd_enc_reset(enc);
629    radeon_uvd_enc_set_emulation_prevention(enc, false);
630    radeon_uvd_enc_code_fixed_bits(enc, 0x00000001, 32);
631    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
632    radeon_uvd_enc_code_fixed_bits(enc, 35, 6);
633    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 6);
634    radeon_uvd_enc_code_fixed_bits(enc, 0x1, 3);
635    radeon_uvd_enc_byte_align(enc);
636    radeon_uvd_enc_set_emulation_prevention(enc, true);
637    switch (enc->enc_pic.picture_type) {
638    case PIPE_H2645_ENC_PICTURE_TYPE_I:
639    case PIPE_H2645_ENC_PICTURE_TYPE_IDR:
640       radeon_uvd_enc_code_fixed_bits(enc, 0x00, 3);
641       break;
642    case PIPE_H2645_ENC_PICTURE_TYPE_P:
643       radeon_uvd_enc_code_fixed_bits(enc, 0x01, 3);
644       break;
645    case PIPE_H2645_ENC_PICTURE_TYPE_B:
646       radeon_uvd_enc_code_fixed_bits(enc, 0x02, 3);
647       break;
648    default:
649       assert(0 && "Unsupported picture type!");
650    }
651 
652    radeon_uvd_enc_code_fixed_bits(enc, 0x1, 1);
653 
654    radeon_uvd_enc_byte_align(enc);
655    radeon_uvd_enc_flush_headers(enc);
656    *size_in_bytes = (enc->bits_output + 7) / 8;
657    RADEON_ENC_END();
658 }
659 
radeon_uvd_enc_slice_header_hevc(struct radeon_uvd_encoder * enc)660 static void radeon_uvd_enc_slice_header_hevc(struct radeon_uvd_encoder *enc)
661 {
662    uint32_t instruction[RENC_UVD_SLICE_HEADER_TEMPLATE_MAX_NUM_INSTRUCTIONS] = {0};
663    uint32_t num_bits[RENC_UVD_SLICE_HEADER_TEMPLATE_MAX_NUM_INSTRUCTIONS] = {0};
664    unsigned int inst_index = 0;
665    unsigned int bit_index = 0;
666    unsigned int bits_copied = 0;
667    RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_SLICE_HEADER);
668    radeon_uvd_enc_reset(enc);
669    radeon_uvd_enc_set_emulation_prevention(enc, false);
670 
671    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
672    radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.nal_unit_type, 6);
673    radeon_uvd_enc_code_fixed_bits(enc, 0x0, 6);
674    radeon_uvd_enc_code_fixed_bits(enc, 0x1, 3);
675 
676    radeon_uvd_enc_flush_headers(enc);
677    bit_index++;
678    instruction[inst_index] = RENC_UVD_HEADER_INSTRUCTION_COPY;
679    num_bits[inst_index] = enc->bits_output - bits_copied;
680    bits_copied = enc->bits_output;
681    inst_index++;
682 
683    instruction[inst_index] = RENC_UVD_HEADER_INSTRUCTION_FIRST_SLICE;
684    inst_index++;
685 
686    if ((enc->enc_pic.nal_unit_type >= 16) && (enc->enc_pic.nal_unit_type <= 23))
687       radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
688 
689    radeon_uvd_enc_code_ue(enc, 0x0);
690 
691    radeon_uvd_enc_flush_headers(enc);
692    bit_index++;
693    instruction[inst_index] = RENC_UVD_HEADER_INSTRUCTION_COPY;
694    num_bits[inst_index] = enc->bits_output - bits_copied;
695    bits_copied = enc->bits_output;
696    inst_index++;
697 
698    instruction[inst_index] = RENC_UVD_HEADER_INSTRUCTION_SLICE_SEGMENT;
699    inst_index++;
700 
701    instruction[inst_index] = RENC_UVD_HEADER_INSTRUCTION_DEPENDENT_SLICE_END;
702    inst_index++;
703 
704    switch (enc->enc_pic.picture_type) {
705    case PIPE_H2645_ENC_PICTURE_TYPE_I:
706    case PIPE_H2645_ENC_PICTURE_TYPE_IDR:
707       radeon_uvd_enc_code_ue(enc, 0x2);
708       break;
709    case PIPE_H2645_ENC_PICTURE_TYPE_P:
710    case PIPE_H2645_ENC_PICTURE_TYPE_SKIP:
711       radeon_uvd_enc_code_ue(enc, 0x1);
712       break;
713    case PIPE_H2645_ENC_PICTURE_TYPE_B:
714       radeon_uvd_enc_code_ue(enc, 0x0);
715       break;
716    default:
717       radeon_uvd_enc_code_ue(enc, 0x1);
718    }
719 
720    if ((enc->enc_pic.nal_unit_type != 19) && (enc->enc_pic.nal_unit_type != 20)) {
721       radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.pic_order_cnt, enc->enc_pic.log2_max_poc);
722       if (enc->enc_pic.picture_type == PIPE_H2645_ENC_PICTURE_TYPE_P)
723          radeon_uvd_enc_code_fixed_bits(enc, 0x1, 1);
724       else {
725          radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
726          radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
727          radeon_uvd_enc_code_ue(enc, 0x0);
728          radeon_uvd_enc_code_ue(enc, 0x0);
729       }
730    }
731 
732    if (enc->enc_pic.sample_adaptive_offset_enabled_flag)
733       radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1); /* slice_sao_luma_flag */
734 
735    if ((enc->enc_pic.picture_type == PIPE_H2645_ENC_PICTURE_TYPE_P) ||
736        (enc->enc_pic.picture_type == PIPE_H2645_ENC_PICTURE_TYPE_B)) {
737       radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
738       radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.hevc_spec_misc.cabac_init_flag, 1);
739       radeon_uvd_enc_code_ue(enc, 5 - enc->enc_pic.max_num_merge_cand);
740    }
741 
742    radeon_uvd_enc_flush_headers(enc);
743    bit_index++;
744    instruction[inst_index] = RENC_UVD_HEADER_INSTRUCTION_COPY;
745    num_bits[inst_index] = enc->bits_output - bits_copied;
746    bits_copied = enc->bits_output;
747    inst_index++;
748 
749    instruction[inst_index] = RENC_UVD_HEADER_INSTRUCTION_SLICE_QP_DELTA;
750    inst_index++;
751 
752    if ((enc->enc_pic.hevc_deblock.loop_filter_across_slices_enabled) &&
753        (!enc->enc_pic.hevc_deblock.deblocking_filter_disabled)) {
754       radeon_uvd_enc_code_fixed_bits(
755          enc, enc->enc_pic.hevc_deblock.loop_filter_across_slices_enabled, 1);
756 
757       radeon_uvd_enc_flush_headers(enc);
758       bit_index++;
759       instruction[inst_index] = RENC_UVD_HEADER_INSTRUCTION_COPY;
760       num_bits[inst_index] = enc->bits_output - bits_copied;
761       bits_copied = enc->bits_output;
762       inst_index++;
763    }
764 
765    instruction[inst_index] = RENC_UVD_HEADER_INSTRUCTION_END;
766 
767    for (int i = bit_index; i < RENC_UVD_SLICE_HEADER_TEMPLATE_MAX_TEMPLATE_SIZE_IN_DWORDS; i++)
768       RADEON_ENC_CS(0x00000000);
769 
770    for (int j = 0; j < RENC_UVD_SLICE_HEADER_TEMPLATE_MAX_NUM_INSTRUCTIONS; j++) {
771       RADEON_ENC_CS(instruction[j]);
772       RADEON_ENC_CS(num_bits[j]);
773    }
774 
775    RADEON_ENC_END();
776 }
777 
radeon_uvd_enc_ctx(struct radeon_uvd_encoder * enc)778 static void radeon_uvd_enc_ctx(struct radeon_uvd_encoder *enc)
779 {
780    struct si_screen *sscreen = (struct si_screen *)enc->screen;
781 
782    enc->enc_pic.ctx_buf.swizzle_mode = 0;
783    if (sscreen->info.gfx_level < GFX9) {
784       enc->enc_pic.ctx_buf.rec_luma_pitch = (enc->luma->u.legacy.level[0].nblk_x * enc->luma->bpe);
785       enc->enc_pic.ctx_buf.rec_chroma_pitch =
786          (enc->chroma->u.legacy.level[0].nblk_x * enc->chroma->bpe);
787    } else {
788       enc->enc_pic.ctx_buf.rec_luma_pitch = enc->luma->u.gfx9.surf_pitch * enc->luma->bpe;
789       enc->enc_pic.ctx_buf.rec_chroma_pitch = enc->chroma->u.gfx9.surf_pitch * enc->chroma->bpe;
790    }
791    enc->enc_pic.ctx_buf.num_reconstructed_pictures = 2;
792 
793    RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_ENCODE_CONTEXT_BUFFER);
794    RADEON_ENC_READWRITE(enc->cpb.res->buf, enc->cpb.res->domains, 0);
795    RADEON_ENC_CS(0x00000000); // reserved
796    RADEON_ENC_CS(enc->enc_pic.ctx_buf.swizzle_mode);
797    RADEON_ENC_CS(enc->enc_pic.ctx_buf.rec_luma_pitch);
798    RADEON_ENC_CS(enc->enc_pic.ctx_buf.rec_chroma_pitch);
799    RADEON_ENC_CS(enc->enc_pic.ctx_buf.num_reconstructed_pictures);
800    /* reconstructed_picture_1_luma_offset */
801    RADEON_ENC_CS(0x00000000);
802    /* reconstructed_picture_1_chroma_offset */
803    RADEON_ENC_CS(enc->enc_pic.ctx_buf.rec_chroma_pitch * align(enc->base.height, 16));
804    /* reconstructed_picture_2_luma_offset */
805    RADEON_ENC_CS(enc->enc_pic.ctx_buf.rec_luma_pitch * align(enc->base.height, 16) * 3 / 2);
806    /* reconstructed_picture_2_chroma_offset */
807    RADEON_ENC_CS(enc->enc_pic.ctx_buf.rec_chroma_pitch * align(enc->base.height, 16) * 5 / 2);
808 
809    for (int i = 0; i < 136; i++)
810       RADEON_ENC_CS(0x00000000);
811 
812    RADEON_ENC_END();
813 }
814 
radeon_uvd_enc_bitstream(struct radeon_uvd_encoder * enc)815 static void radeon_uvd_enc_bitstream(struct radeon_uvd_encoder *enc)
816 {
817    enc->enc_pic.bit_buf.mode = RENC_UVD_SWIZZLE_MODE_LINEAR;
818    enc->enc_pic.bit_buf.video_bitstream_buffer_size = enc->bs_size;
819    enc->enc_pic.bit_buf.video_bitstream_data_offset = 0;
820 
821    RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_VIDEO_BITSTREAM_BUFFER);
822    RADEON_ENC_CS(enc->enc_pic.bit_buf.mode);
823    RADEON_ENC_WRITE(enc->bs_handle, RADEON_DOMAIN_GTT, 0);
824    RADEON_ENC_CS(enc->enc_pic.bit_buf.video_bitstream_buffer_size);
825    RADEON_ENC_CS(enc->enc_pic.bit_buf.video_bitstream_data_offset);
826    RADEON_ENC_END();
827 }
828 
radeon_uvd_enc_feedback(struct radeon_uvd_encoder * enc)829 static void radeon_uvd_enc_feedback(struct radeon_uvd_encoder *enc)
830 {
831    enc->enc_pic.fb_buf.mode = RENC_UVD_FEEDBACK_BUFFER_MODE_LINEAR;
832    enc->enc_pic.fb_buf.feedback_buffer_size = 16;
833    enc->enc_pic.fb_buf.feedback_data_size = 40;
834 
835    RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_FEEDBACK_BUFFER);
836    RADEON_ENC_CS(enc->enc_pic.fb_buf.mode);
837    RADEON_ENC_WRITE(enc->fb->res->buf, enc->fb->res->domains, 0x0);
838    RADEON_ENC_CS(enc->enc_pic.fb_buf.feedback_buffer_size);
839    RADEON_ENC_CS(enc->enc_pic.fb_buf.feedback_data_size);
840    RADEON_ENC_END();
841 }
842 
radeon_uvd_enc_intra_refresh(struct radeon_uvd_encoder * enc)843 static void radeon_uvd_enc_intra_refresh(struct radeon_uvd_encoder *enc)
844 {
845    enc->enc_pic.intra_ref.intra_refresh_mode = RENC_UVD_INTRA_REFRESH_MODE_NONE;
846    enc->enc_pic.intra_ref.offset = 0;
847    enc->enc_pic.intra_ref.region_size = 0;
848 
849    RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_INTRA_REFRESH);
850    RADEON_ENC_CS(enc->enc_pic.intra_ref.intra_refresh_mode);
851    RADEON_ENC_CS(enc->enc_pic.intra_ref.offset);
852    RADEON_ENC_CS(enc->enc_pic.intra_ref.region_size);
853    RADEON_ENC_END();
854 }
855 
radeon_uvd_enc_rc_per_pic(struct radeon_uvd_encoder * enc,struct pipe_picture_desc * picture)856 static void radeon_uvd_enc_rc_per_pic(struct radeon_uvd_encoder *enc,
857                                       struct pipe_picture_desc *picture)
858 {
859    struct pipe_h265_enc_picture_desc *pic = (struct pipe_h265_enc_picture_desc *)picture;
860    enc->enc_pic.rc_per_pic.qp = pic->rc.quant_i_frames;
861    enc->enc_pic.rc_per_pic.min_qp_app = 0;
862    enc->enc_pic.rc_per_pic.max_qp_app = 51;
863    enc->enc_pic.rc_per_pic.max_au_size = 0;
864    enc->enc_pic.rc_per_pic.enabled_filler_data = pic->rc.fill_data_enable;
865    enc->enc_pic.rc_per_pic.skip_frame_enable = false;
866    enc->enc_pic.rc_per_pic.enforce_hrd = pic->rc.enforce_hrd;
867 
868    RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_RATE_CONTROL_PER_PICTURE);
869    RADEON_ENC_CS(enc->enc_pic.rc_per_pic.qp);
870    RADEON_ENC_CS(enc->enc_pic.rc_per_pic.min_qp_app);
871    RADEON_ENC_CS(enc->enc_pic.rc_per_pic.max_qp_app);
872    RADEON_ENC_CS(enc->enc_pic.rc_per_pic.max_au_size);
873    RADEON_ENC_CS(enc->enc_pic.rc_per_pic.enabled_filler_data);
874    RADEON_ENC_CS(enc->enc_pic.rc_per_pic.skip_frame_enable);
875    RADEON_ENC_CS(enc->enc_pic.rc_per_pic.enforce_hrd);
876    RADEON_ENC_END();
877 }
878 
radeon_uvd_enc_encode_params_hevc(struct radeon_uvd_encoder * enc)879 static void radeon_uvd_enc_encode_params_hevc(struct radeon_uvd_encoder *enc)
880 {
881    struct si_screen *sscreen = (struct si_screen *)enc->screen;
882    switch (enc->enc_pic.picture_type) {
883    case PIPE_H2645_ENC_PICTURE_TYPE_I:
884    case PIPE_H2645_ENC_PICTURE_TYPE_IDR:
885       enc->enc_pic.enc_params.pic_type = RENC_UVD_PICTURE_TYPE_I;
886       break;
887    case PIPE_H2645_ENC_PICTURE_TYPE_P:
888       enc->enc_pic.enc_params.pic_type = RENC_UVD_PICTURE_TYPE_P;
889       break;
890    case PIPE_H2645_ENC_PICTURE_TYPE_SKIP:
891       enc->enc_pic.enc_params.pic_type = RENC_UVD_PICTURE_TYPE_P_SKIP;
892       break;
893    case PIPE_H2645_ENC_PICTURE_TYPE_B:
894       enc->enc_pic.enc_params.pic_type = RENC_UVD_PICTURE_TYPE_B;
895       break;
896    default:
897       enc->enc_pic.enc_params.pic_type = RENC_UVD_PICTURE_TYPE_I;
898    }
899 
900    enc->enc_pic.enc_params.allowed_max_bitstream_size = enc->bs_size;
901    if (sscreen->info.gfx_level < GFX9) {
902       enc->enc_pic.enc_params.input_pic_luma_pitch =
903          (enc->luma->u.legacy.level[0].nblk_x * enc->luma->bpe);
904       enc->enc_pic.enc_params.input_pic_chroma_pitch =
905          (enc->chroma->u.legacy.level[0].nblk_x * enc->chroma->bpe);
906    } else {
907       enc->enc_pic.enc_params.input_pic_luma_pitch = enc->luma->u.gfx9.surf_pitch * enc->luma->bpe;
908       enc->enc_pic.enc_params.input_pic_chroma_pitch =
909          enc->chroma->u.gfx9.surf_pitch * enc->chroma->bpe;
910    }
911    enc->enc_pic.enc_params.input_pic_swizzle_mode = RENC_UVD_SWIZZLE_MODE_LINEAR;
912 
913    if (enc->enc_pic.enc_params.pic_type == RENC_UVD_PICTURE_TYPE_I)
914       enc->enc_pic.enc_params.reference_picture_index = 0xFFFFFFFF;
915    else
916       enc->enc_pic.enc_params.reference_picture_index = (enc->enc_pic.frame_num - 1) % 2;
917 
918    enc->enc_pic.enc_params.reconstructed_picture_index = enc->enc_pic.frame_num % 2;
919 
920    RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_ENCODE_PARAMS);
921    RADEON_ENC_CS(enc->enc_pic.enc_params.pic_type);
922    RADEON_ENC_CS(enc->enc_pic.enc_params.allowed_max_bitstream_size);
923 
924    if (sscreen->info.gfx_level < GFX9) {
925       RADEON_ENC_READ(enc->handle, RADEON_DOMAIN_VRAM, (uint64_t)enc->luma->u.legacy.level[0].offset_256B * 256);
926       RADEON_ENC_READ(enc->handle, RADEON_DOMAIN_VRAM, (uint64_t)enc->chroma->u.legacy.level[0].offset_256B * 256);
927    } else {
928       RADEON_ENC_READ(enc->handle, RADEON_DOMAIN_VRAM, enc->luma->u.gfx9.surf_offset);
929       RADEON_ENC_READ(enc->handle, RADEON_DOMAIN_VRAM, enc->chroma->u.gfx9.surf_offset);
930    }
931    RADEON_ENC_CS(enc->enc_pic.enc_params.input_pic_luma_pitch);
932    RADEON_ENC_CS(enc->enc_pic.enc_params.input_pic_chroma_pitch);
933    RADEON_ENC_CS(0x00000000); // reserved
934    RADEON_ENC_CS(enc->enc_pic.enc_params.input_pic_swizzle_mode);
935    RADEON_ENC_CS(enc->enc_pic.enc_params.reference_picture_index);
936    RADEON_ENC_CS(enc->enc_pic.enc_params.reconstructed_picture_index);
937    RADEON_ENC_END();
938 }
939 
radeon_uvd_enc_op_init(struct radeon_uvd_encoder * enc)940 static void radeon_uvd_enc_op_init(struct radeon_uvd_encoder *enc)
941 {
942    RADEON_ENC_BEGIN(RENC_UVD_IB_OP_INITIALIZE);
943    RADEON_ENC_END();
944 }
945 
radeon_uvd_enc_op_close(struct radeon_uvd_encoder * enc)946 static void radeon_uvd_enc_op_close(struct radeon_uvd_encoder *enc)
947 {
948    RADEON_ENC_BEGIN(RENC_UVD_IB_OP_CLOSE_SESSION);
949    RADEON_ENC_END();
950 }
951 
radeon_uvd_enc_op_enc(struct radeon_uvd_encoder * enc)952 static void radeon_uvd_enc_op_enc(struct radeon_uvd_encoder *enc)
953 {
954    RADEON_ENC_BEGIN(RENC_UVD_IB_OP_ENCODE);
955    RADEON_ENC_END();
956 }
957 
radeon_uvd_enc_op_init_rc(struct radeon_uvd_encoder * enc)958 static void radeon_uvd_enc_op_init_rc(struct radeon_uvd_encoder *enc)
959 {
960    RADEON_ENC_BEGIN(RENC_UVD_IB_OP_INIT_RC);
961    RADEON_ENC_END();
962 }
963 
radeon_uvd_enc_op_init_rc_vbv(struct radeon_uvd_encoder * enc)964 static void radeon_uvd_enc_op_init_rc_vbv(struct radeon_uvd_encoder *enc)
965 {
966    RADEON_ENC_BEGIN(RENC_UVD_IB_OP_INIT_RC_VBV_BUFFER_LEVEL);
967    RADEON_ENC_END();
968 }
969 
radeon_uvd_enc_op_speed(struct radeon_uvd_encoder * enc)970 static void radeon_uvd_enc_op_speed(struct radeon_uvd_encoder *enc)
971 {
972    RADEON_ENC_BEGIN(RENC_UVD_IB_OP_SET_SPEED_ENCODING_MODE);
973    RADEON_ENC_END();
974 }
975 
begin(struct radeon_uvd_encoder * enc,struct pipe_picture_desc * pic)976 static void begin(struct radeon_uvd_encoder *enc, struct pipe_picture_desc *pic)
977 {
978    radeon_uvd_enc_session_info(enc);
979    enc->total_task_size = 0;
980    radeon_uvd_enc_task_info(enc, enc->need_feedback);
981    radeon_uvd_enc_op_init(enc);
982 
983    radeon_uvd_enc_session_init_hevc(enc);
984    radeon_uvd_enc_slice_control_hevc(enc);
985    radeon_uvd_enc_spec_misc_hevc(enc, pic);
986    radeon_uvd_enc_deblocking_filter_hevc(enc, pic);
987 
988    radeon_uvd_enc_layer_control(enc);
989    radeon_uvd_enc_rc_session_init(enc, pic);
990    radeon_uvd_enc_quality_params(enc);
991    radeon_uvd_enc_layer_select(enc);
992    radeon_uvd_enc_rc_layer_init(enc, pic);
993    radeon_uvd_enc_layer_select(enc);
994    radeon_uvd_enc_rc_per_pic(enc, pic);
995    radeon_uvd_enc_op_init_rc(enc);
996    radeon_uvd_enc_op_init_rc_vbv(enc);
997    *enc->p_task_size = (enc->total_task_size);
998 }
999 
encode(struct radeon_uvd_encoder * enc)1000 static void encode(struct radeon_uvd_encoder *enc)
1001 {
1002    radeon_uvd_enc_session_info(enc);
1003    enc->total_task_size = 0;
1004    radeon_uvd_enc_task_info(enc, enc->need_feedback);
1005 
1006    radeon_uvd_enc_nalu_aud_hevc(enc);
1007 
1008    if (enc->enc_pic.is_iframe) {
1009       radeon_uvd_enc_nalu_vps_hevc(enc);
1010       radeon_uvd_enc_nalu_pps_hevc(enc);
1011       radeon_uvd_enc_nalu_sps_hevc(enc);
1012    }
1013    radeon_uvd_enc_slice_header_hevc(enc);
1014    radeon_uvd_enc_encode_params_hevc(enc);
1015 
1016    radeon_uvd_enc_ctx(enc);
1017    radeon_uvd_enc_bitstream(enc);
1018    radeon_uvd_enc_feedback(enc);
1019    radeon_uvd_enc_intra_refresh(enc);
1020 
1021    radeon_uvd_enc_op_speed(enc);
1022    radeon_uvd_enc_op_enc(enc);
1023    *enc->p_task_size = (enc->total_task_size);
1024 }
1025 
destroy(struct radeon_uvd_encoder * enc)1026 static void destroy(struct radeon_uvd_encoder *enc)
1027 {
1028    radeon_uvd_enc_session_info(enc);
1029    enc->total_task_size = 0;
1030    radeon_uvd_enc_task_info(enc, enc->need_feedback);
1031    radeon_uvd_enc_op_close(enc);
1032    *enc->p_task_size = (enc->total_task_size);
1033 }
1034 
radeon_uvd_enc_1_1_init(struct radeon_uvd_encoder * enc)1035 void radeon_uvd_enc_1_1_init(struct radeon_uvd_encoder *enc)
1036 {
1037    enc->begin = begin;
1038    enc->encode = encode;
1039    enc->destroy = destroy;
1040 }
1041