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