1/*
2 * Copyright (c) 2007-2013 Intel Corporation. All Rights Reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sub license, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the
13 * next paragraph) shall be included in all copies or substantial portions
14 * of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
19 * IN NO EVENT SHALL INTEL AND/OR ITS SUPPLIERS BE LIABLE FOR
20 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
21 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
22 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25/**
26 * \file va_enc_jpeg.h
27 * \brief JPEG encoding API
28 *
29 * This file contains the \ref api_enc_jpeg "JPEG encoding API".
30 */
31
32#ifndef VA_ENC_JPEG_H
33#define VA_ENC_JPEG_H
34
35#ifdef __cplusplus
36extern "C" {
37#endif
38
39/**
40 * \defgroup api_enc_jpeg JPEG encoding API
41 *
42 * @{
43 */
44
45/**
46 * \brief JPEG Encoding Picture Parameter Buffer Structure
47 *
48 * This structure conveys picture level parameters.
49 *
50 */
51typedef struct _VAEncPictureParameterBufferJPEG {
52 /** \brief holds reconstructed picture. */
53 VASurfaceID reconstructed_picture;
54 /** \brief picture width. */
55 uint16_t picture_width;
56 /** \brief picture height. */
57 uint16_t picture_height;
58 /** \brief holds coded data. */
59 VABufferID coded_buf;
60
61 /**
62 * \brief pic_flags
63 *
64 */
65 union {
66 struct {
67 /**
68 * \brief profile:
69 * 0 - Baseline, 1 - Extended, 2 - Lossless, 3 - Hierarchical
70 */
71 uint32_t profile : 2;
72 /**
73 * \brief progressive:
74 * 0 - sequential, 1 - extended, 2 - progressive
75 */
76 uint32_t progressive : 1;
77 /**
78 * \brief huffman:
79 * 0 - arithmetic, 1 - huffman
80 */
81 uint32_t huffman : 1;
82 /**
83 * \brief interleaved:
84 * 0 - non interleaved, 1 - interleaved
85 */
86 uint32_t interleaved : 1;
87 /**
88 * \brief differential:
89 * 0 - non differential, 1 - differential
90 */
91 uint32_t differential : 1;
92 } bits;
93 uint32_t value;
94 } pic_flags;
95
96 /** \brief number of bits per sample. */
97 uint8_t sample_bit_depth;
98 /** \brief total number of scans in image. */
99 uint8_t num_scan;
100 /** \brief number of image components in frame. */
101 uint16_t num_components;
102 /** \brief Component identifier (Ci). */
103 uint8_t component_id[4];
104 /** \brief Quantization table selector (Tqi). */
105 uint8_t quantiser_table_selector[4];
106 /** \brief number from 1 to 100 that specifies quality of image. */
107 uint8_t quality;
108
109 /** \brief Reserved bytes for future use, must be zero */
110 uint32_t va_reserved[VA_PADDING_LOW];
111} VAEncPictureParameterBufferJPEG;
112
113
114/**
115 * \brief Slice parameter for JPEG encoding.
116 *
117 * This structure conveys slice (scan) level parameters.
118 *
119 */
120typedef struct _VAEncSliceParameterBufferJPEG {
121 /** \brief Restart interval definition (Ri). */
122 uint16_t restart_interval;
123 /** \brief number of image components in a scan. */
124 uint16_t num_components;
125 struct {
126 /** \brief Scan component selector (Csj). */
127 uint8_t component_selector;
128 /** \brief DC entropy coding table selector (Tdj). */
129 uint8_t dc_table_selector;
130 /** \brief AC entropy coding table selector (Taj). */
131 uint8_t ac_table_selector;
132 } components[4];
133
134 /** \brief Reserved bytes for future use, must be zero */
135 uint32_t va_reserved[VA_PADDING_LOW];
136} VAEncSliceParameterBufferJPEG;
137
138/**
139 * \brief Quantization table for JPEG encoding.
140 *
141 */
142typedef struct _VAQMatrixBufferJPEG {
143 /** \brief load luma quantization table. */
144 int32_t load_lum_quantiser_matrix;
145 /** \brief load chroma quantization table. */
146 int32_t load_chroma_quantiser_matrix;
147 /** \brief luma quantization table. */
148 uint8_t lum_quantiser_matrix[64];
149 /** \brief chroma quantization table. */
150 uint8_t chroma_quantiser_matrix[64];
151
152 /** \brief Reserved bytes for future use, must be zero */
153 uint32_t va_reserved[VA_PADDING_LOW];
154} VAQMatrixBufferJPEG;
155
156/**@}*/
157
158#ifdef __cplusplus
159}
160#endif
161
162#endif /* VA_ENC_JPEG_H */
163

source code of include/va/va_enc_jpeg.h