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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