/*

 * 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 */