/usr/include/va/va_enc_jpeg.h is in libva-dev 2.1.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2007-2013 Intel Corporation. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL INTEL AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/**
* \file va_enc_jpeg.h
* \brief JPEG encoding API
*
* This file contains the \ref api_enc_jpeg "JPEG encoding API".
*/
#ifndef VA_ENC_JPEG_H
#define VA_ENC_JPEG_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* \defgroup api_enc_jpeg JPEG encoding API
*
* @{
*/
/**
* \brief JPEG Encoding Picture Parameter Buffer Structure
*
* This structure conveys picture level parameters.
*
*/
typedef struct _VAEncPictureParameterBufferJPEG
{
/** \brief holds reconstructed picture. */
VASurfaceID reconstructed_picture;
/** \brief picture width. */
uint16_t picture_width;
/** \brief picture height. */
uint16_t picture_height;
/** \brief holds coded data. */
VABufferID coded_buf;
/**
* \brief pic_flags
*
*/
union {
struct {
/**
* \brief profile:
* 0 - Baseline, 1 - Extended, 2 - Lossless, 3 - Hierarchical
*/
uint32_t profile : 2;
/**
* \brief progressive:
* 0 - sequential, 1 - extended, 2 - progressive
*/
uint32_t progressive : 1;
/**
* \brief huffman:
* 0 - arithmetic, 1 - huffman
*/
uint32_t huffman : 1;
/**
* \brief interleaved:
* 0 - non interleaved, 1 - interleaved
*/
uint32_t interleaved : 1;
/**
* \brief differential:
* 0 - non differential, 1 - differential
*/
uint32_t differential : 1;
} bits;
uint32_t value;
} pic_flags;
/** \brief number of bits per sample. */
uint8_t sample_bit_depth;
/** \brief total number of scans in image. */
uint8_t num_scan;
/** \brief number of image components in frame. */
uint16_t num_components;
/** \brief Component identifier (Ci). */
uint8_t component_id[4];
/** \brief Quantization table selector (Tqi). */
uint8_t quantiser_table_selector[4];
/** \brief number from 1 to 100 that specifies quality of image. */
uint8_t quality;
/** \brief Reserved bytes for future use, must be zero */
uint32_t va_reserved[VA_PADDING_LOW];
} VAEncPictureParameterBufferJPEG;
/**
* \brief Slice parameter for JPEG encoding.
*
* This structure conveys slice (scan) level parameters.
*
*/
typedef struct _VAEncSliceParameterBufferJPEG {
/** \brief Restart interval definition (Ri). */
uint16_t restart_interval;
/** \brief number of image components in a scan. */
uint16_t num_components;
struct {
/** \brief Scan component selector (Csj). */
uint8_t component_selector;
/** \brief DC entropy coding table selector (Tdj). */
uint8_t dc_table_selector;
/** \brief AC entropy coding table selector (Taj). */
uint8_t ac_table_selector;
} components[4];
/** \brief Reserved bytes for future use, must be zero */
uint32_t va_reserved[VA_PADDING_LOW];
} VAEncSliceParameterBufferJPEG;
/**
* \brief Quantization table for JPEG encoding.
*
*/
typedef struct _VAQMatrixBufferJPEG
{
/** \brief load luma quantization table. */
int32_t load_lum_quantiser_matrix;
/** \brief load chroma quantization table. */
int32_t load_chroma_quantiser_matrix;
/** \brief luma quantization table. */
uint8_t lum_quantiser_matrix[64];
/** \brief chroma quantization table. */
uint8_t chroma_quantiser_matrix[64];
/** \brief Reserved bytes for future use, must be zero */
uint32_t va_reserved[VA_PADDING_LOW];
} VAQMatrixBufferJPEG;
/**@}*/
#ifdef __cplusplus
}
#endif
#endif /* VA_ENC_JPEG_H */
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