1 /**************************************************************************
2 *
3 * Copyright 2017 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 "va_private.h"
29
vlVaHandlePictureParameterBufferMJPEG(vlVaDriver * drv,vlVaContext * context,vlVaBuffer * buf)30 void vlVaHandlePictureParameterBufferMJPEG(vlVaDriver *drv, vlVaContext *context, vlVaBuffer *buf)
31 {
32 VAPictureParameterBufferJPEGBaseline *mjpeg = buf->data;
33 unsigned sf;
34 int i;
35
36 assert(buf->size >= sizeof(VAPictureParameterBufferJPEGBaseline) && buf->num_elements == 1);
37
38 context->desc.mjpeg.picture_parameter.picture_width = mjpeg->picture_width;
39 context->desc.mjpeg.picture_parameter.picture_height = mjpeg->picture_height;
40
41 for (i = 0; i < mjpeg->num_components; ++i) {
42 context->desc.mjpeg.picture_parameter.components[i].component_id =
43 mjpeg->components[i].component_id;
44 context->desc.mjpeg.picture_parameter.components[i].h_sampling_factor =
45 mjpeg->components[i].h_sampling_factor;
46 context->desc.mjpeg.picture_parameter.components[i].v_sampling_factor =
47 mjpeg->components[i].v_sampling_factor;
48 context->desc.mjpeg.picture_parameter.components[i].quantiser_table_selector =
49 mjpeg->components[i].quantiser_table_selector;
50
51 sf = mjpeg->components[i].h_sampling_factor << 4 | mjpeg->components[i].v_sampling_factor;
52 context->mjpeg.sampling_factor <<= 8;
53 context->mjpeg.sampling_factor |= sf;
54 }
55
56 context->desc.mjpeg.picture_parameter.num_components = mjpeg->num_components;
57 }
58
vlVaHandleIQMatrixBufferMJPEG(vlVaContext * context,vlVaBuffer * buf)59 void vlVaHandleIQMatrixBufferMJPEG(vlVaContext *context, vlVaBuffer *buf)
60 {
61 VAIQMatrixBufferJPEGBaseline *mjpeg = buf->data;
62
63 assert(buf->size >= sizeof(VAIQMatrixBufferJPEGBaseline) && buf->num_elements == 1);
64
65 memcpy(&context->desc.mjpeg.quantization_table.load_quantiser_table, mjpeg->load_quantiser_table, 4);
66 memcpy(&context->desc.mjpeg.quantization_table.quantiser_table, mjpeg->quantiser_table, 4 * 64);
67 }
68
vlVaHandleHuffmanTableBufferType(vlVaContext * context,vlVaBuffer * buf)69 void vlVaHandleHuffmanTableBufferType(vlVaContext *context, vlVaBuffer *buf)
70 {
71 VAHuffmanTableBufferJPEGBaseline *mjpeg = buf->data;
72 int i;
73
74 assert(buf->size >= sizeof(VASliceParameterBufferJPEGBaseline) && buf->num_elements == 1);
75
76 for (i = 0; i < 2; ++i) {
77 context->desc.mjpeg.huffman_table.load_huffman_table[i] = mjpeg->load_huffman_table[i];
78
79 memcpy(&context->desc.mjpeg.huffman_table.table[i].num_dc_codes,
80 mjpeg->huffman_table[i].num_dc_codes, 16);
81 memcpy(&context->desc.mjpeg.huffman_table.table[i].dc_values,
82 mjpeg->huffman_table[i].dc_values, 12);
83 memcpy(&context->desc.mjpeg.huffman_table.table[i].num_ac_codes,
84 mjpeg->huffman_table[i].num_ac_codes, 16);
85 memcpy(&context->desc.mjpeg.huffman_table.table[i].ac_values,
86 mjpeg->huffman_table[i].ac_values, 162);
87 memcpy(&context->desc.mjpeg.huffman_table.table[i].pad, mjpeg->huffman_table[i].pad, 2);
88 }
89 }
90
vlVaHandleSliceParameterBufferMJPEG(vlVaContext * context,vlVaBuffer * buf)91 void vlVaHandleSliceParameterBufferMJPEG(vlVaContext *context, vlVaBuffer *buf)
92 {
93 VASliceParameterBufferJPEGBaseline *mjpeg = buf->data;
94 int i;
95
96 assert(buf->size >= sizeof(VASliceParameterBufferJPEGBaseline) && buf->num_elements == 1);
97
98 context->desc.mjpeg.slice_parameter.slice_data_size = mjpeg->slice_data_size;
99 context->desc.mjpeg.slice_parameter.slice_data_offset = mjpeg->slice_data_offset;
100 context->desc.mjpeg.slice_parameter.slice_data_flag = mjpeg->slice_data_flag;
101 context->desc.mjpeg.slice_parameter.slice_horizontal_position = mjpeg->slice_horizontal_position;
102 context->desc.mjpeg.slice_parameter.slice_vertical_position = mjpeg->slice_vertical_position;
103
104 for (i = 0; i < mjpeg->num_components; ++i) {
105 context->desc.mjpeg.slice_parameter.components[i].component_selector =
106 mjpeg->components[i].component_selector;
107 context->desc.mjpeg.slice_parameter.components[i].dc_table_selector =
108 mjpeg->components[i].dc_table_selector;
109 context->desc.mjpeg.slice_parameter.components[i].ac_table_selector =
110 mjpeg->components[i].ac_table_selector;
111 }
112
113 context->desc.mjpeg.slice_parameter.num_components = mjpeg->num_components;
114 context->desc.mjpeg.slice_parameter.restart_interval = mjpeg->restart_interval;
115 context->desc.mjpeg.slice_parameter.num_mcus = mjpeg->num_mcus;
116 }
117
vlVaGetJpegSliceHeader(vlVaContext * context)118 void vlVaGetJpegSliceHeader(vlVaContext *context)
119 {
120 int size = 0, saved_size, len_pos, i;
121 uint16_t *bs;
122 uint8_t *p = context->mjpeg.slice_header;
123
124 /* SOI */
125 p[size++] = 0xff;
126 p[size++] = 0xd8;
127
128 /* DQT */
129 p[size++] = 0xff;
130 p[size++] = 0xdb;
131
132 len_pos = size++;
133 size++;
134
135 for (i = 0; i < 4; ++i) {
136 if (context->desc.mjpeg.quantization_table.load_quantiser_table[i] == 0)
137 continue;
138
139 p[size++] = i;
140 memcpy((p + size), &context->desc.mjpeg.quantization_table.quantiser_table[i], 64);
141 size += 64;
142 }
143
144 bs = (uint16_t*)&p[len_pos];
145 *bs = util_bswap16(size - 4);
146
147 saved_size = size;
148
149 /* DHT */
150 p[size++] = 0xff;
151 p[size++] = 0xc4;
152
153 len_pos = size++;
154 size++;
155
156 for (i = 0; i < 2; ++i) {
157 int num = 0, j;
158
159 if (context->desc.mjpeg.huffman_table.load_huffman_table[i] == 0)
160 continue;
161
162 p[size++] = 0x00 | i;
163 memcpy((p + size), &context->desc.mjpeg.huffman_table.table[i].num_dc_codes, 16);
164 size += 16;
165 for (j = 0; j < 16; ++j)
166 num += context->desc.mjpeg.huffman_table.table[i].num_dc_codes[j];
167 assert(num <= 12);
168 memcpy((p + size), &context->desc.mjpeg.huffman_table.table[i].dc_values, num);
169 size += num;
170 }
171
172 for (i = 0; i < 2; ++i) {
173 int num = 0, j;
174
175 if (context->desc.mjpeg.huffman_table.load_huffman_table[i] == 0)
176 continue;
177
178 p[size++] = 0x10 | i;
179 memcpy((p + size), &context->desc.mjpeg.huffman_table.table[i].num_ac_codes, 16);
180 size += 16;
181 for (j = 0; j < 16; ++j)
182 num += context->desc.mjpeg.huffman_table.table[i].num_ac_codes[j];
183 assert(num <= 162);
184 memcpy((p + size), &context->desc.mjpeg.huffman_table.table[i].ac_values, num);
185 size += num;
186 }
187
188 bs = (uint16_t*)&p[len_pos];
189 *bs = util_bswap16(size - saved_size - 2);
190
191 saved_size = size;
192
193 /* DRI */
194 if (context->desc.mjpeg.slice_parameter.restart_interval) {
195 p[size++] = 0xff;
196 p[size++] = 0xdd;
197 p[size++] = 0x00;
198 p[size++] = 0x04;
199 bs = (uint16_t*)&p[size++];
200 *bs = util_bswap16(context->desc.mjpeg.slice_parameter.restart_interval);
201 saved_size = ++size;
202 }
203
204 /* SOF */
205 p[size++] = 0xff;
206 p[size++] = 0xc0;
207
208 len_pos = size++;
209 size++;
210
211 p[size++] = 0x08;
212
213 bs = (uint16_t*)&p[size++];
214 *bs = util_bswap16(context->desc.mjpeg.picture_parameter.picture_height);
215 size++;
216
217 bs = (uint16_t*)&p[size++];
218 *bs = util_bswap16(context->desc.mjpeg.picture_parameter.picture_width);
219 size++;
220
221 p[size++] = context->desc.mjpeg.picture_parameter.num_components;
222
223 for (i = 0; i < context->desc.mjpeg.picture_parameter.num_components; ++i) {
224 p[size++] = context->desc.mjpeg.picture_parameter.components[i].component_id;
225 p[size++] = context->desc.mjpeg.picture_parameter.components[i].h_sampling_factor << 4 |
226 context->desc.mjpeg.picture_parameter.components[i].v_sampling_factor;
227 p[size++] = context->desc.mjpeg.picture_parameter.components[i].quantiser_table_selector;
228 }
229
230 bs = (uint16_t*)&p[len_pos];
231 *bs = util_bswap16(size - saved_size - 2);
232
233 saved_size = size;
234
235 /* SOS */
236 p[size++] = 0xff;
237 p[size++] = 0xda;
238
239 len_pos = size++;
240 size++;
241
242 p[size++] = context->desc.mjpeg.slice_parameter.num_components;
243
244 for (i = 0; i < context->desc.mjpeg.slice_parameter.num_components; ++i) {
245 p[size++] = context->desc.mjpeg.slice_parameter.components[i].component_selector;
246 p[size++] = context->desc.mjpeg.slice_parameter.components[i].dc_table_selector << 4 |
247 context->desc.mjpeg.slice_parameter.components[i].ac_table_selector;
248 }
249
250 p[size++] = 0x00;
251 p[size++] = 0x3f;
252 p[size++] = 0x00;
253
254 bs = (uint16_t*)&p[len_pos];
255 *bs = util_bswap16(size - saved_size - 2);
256
257 context->mjpeg.slice_header_size = size;
258 }
259