jpeg_sw.h

image codec gemini0816

/*****************************************************************************
*  Copyright Statement:
*  --------------------
*  This software is protected by Copyright and the information contained
*  herein is confidential. The software may not be copied and the information
*  contained herein may not be used or disclosed except with the written
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/*****************************************************************************
 *
 * Filename:
 * ---------
 *   jpeg_sw.h
 *
 * Project:
 * --------
 *   MT6225
 *
 * Description:
 * ------------
 *   This file is intends for jpeg software codec.
 *
 * Author:
 * -------
 * -------
 *
 *============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
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 *============================================================================
 ****************************************************************************/
#ifndef __JPEG_SW_H__
#define __JPEG_SW_H__

#if defined(__SW_JPEG_CODEC_SUPPORT__) || !defined(__MTK_TARGET__)

#include "kal_non_specific_general_types.h"
#include "image.h"

#include "drv_features.h"

extern const kal_int16  std_luminance_quant_tbl[64];
extern const kal_int16  std_chrominance_quant_tbl[64];
extern const kal_int32  fixed_fdct_scale[64];
extern const kal_int16  std_luminance_quant_tbl[64];
extern const kal_int16  std_chrominance_quant_tbl[64];
extern const kal_uint8  dc_luminance_bits[17];
extern const kal_uint8  dc_luminance_val[12];
extern const kal_uint16 dc_lum_symbol_2_code_tbl[12];
extern const kal_uint8  dc_lum_symbol_2_size_tbl[12];
extern const kal_uint8  dc_chrominance_bits[17];
extern const kal_uint8  dc_chrominance_val[12];
extern const kal_uint16 dc_chrom_symbol_2_code_tbl[12];
extern const kal_uint8  dc_chrom_symbol_2_size_tbl[12];

extern const kal_uint8  ac_luminance_bits[17];
extern const kal_uint8  ac_luminance_val[162];
extern const kal_uint16 ac_lum_symbol_2_code_tbl[256];
extern const kal_uint8  ac_lum_symbol_2_size_tbl[256];
extern const kal_uint8  ac_chrominance_bits[17];
extern const kal_uint8  ac_chrominance_val[162];
extern const kal_uint16 ac_chrom_symbol_2_code_tbl[256];
extern const kal_uint8  ac_chrom_symbol_2_size_tbl[256];
extern const kal_uint8  Z_ZAG_TBL[64];

#define JPEG_ENCODER_HIGH_QUALITY   0
#define JPEG_ENCODER_GOOD_QUALITY   1
#define JPEG_ENCODER_FAIR_QUALITY   2 /* using default quantization table */
#define JPEG_ENCODER_POOR_QUALITY   3

#define QUANT_FRACTION_BITS         12  // Used for Quantization table fix point
#define FDCT_FRAC_BIT               11  // fractional bits of cosine coefficient

#define JPEG_MARKER_SOI             0xD8
#define JPEG_MARKER_SOF0            0xC0
#define JPEG_MARKER_DQT             0xDB
#define JPEG_MARKER_DHT             0xC4
#define JPEG_MARKER_SOS             0xDA
#define JPEG_MARKER_EOI             0xD9

#define JPEG_HUFF_DC_INDEX_0        0x00
#define JPEG_HUFF_DC_INDEX_1        0x01
#define JPEG_HUFF_AC_INDEX_0        0x10
#define JPEG_HUFF_AC_INDEX_1        0x11

typedef kal_int16 JCOEF;

#define JPEG_SW_ENC_REQUIRED_INT_MEM_SIZE 512

#define DRV_JPG_ENC_DIRECT_COUPLE_SUPPORT

#define JPEG_ENC_IP_THRESH_WIDTH    320
#define JPEG_ENC_IP_THRESH_HEIGHT   240


typedef struct
{
   IMAGE_FORMAT_ENUM input_type;    /* IMAGE_FORMAT_RGB565 or IMAGE_FORMAT_YUV420 */
   IMAGE_FORMAT_ENUM output_type;   /* IMAGE_FORMAT_GRAY or IMAGE_FORMAT_YUV420 */

   kal_uint32 image_buffer_address; /* the RGB565 image buffer start address */
   kal_uint8 *jpeg_yuv_data[3];     /* If the data type is YUV420, put the raw data here. Otherwise this will be an intermediate
                                       buffer for storing the YUV data transformed from the RGB565 data buffer*/

   kal_uint32 jpeg_yuv_size[3];     /* The buffer size of jpeg_yuv_data[3] */

   kal_uint32 intmem_start_address; /* internal memory start address for hardware engine buffer */
   kal_uint32 intmem_size;          /* internal memory size for hardware engine buffer */

   kal_uint16 image_width;          /* the width of image source */
   kal_uint16 image_height;         /* the height of image source */

   kal_uint8  image_quality;        /* the image quality after encoded */

   kal_uint32 jpeg_file_start_address;    /* the start address for encoded JPEG file */
   kal_uint32 jpeg_file_buffer_size;      /* the maximum size of jpeg file after encode */

   /* SW direct Couple for LCD*/
#ifdef DRV_JPG_ENC_DIRECT_COUPLE_SUPPORT
   kal_bool memory_output;                /* output another image for LCD output */
   IMAGE_FORMAT_ENUM memory_output_type;
   kal_uint16 memory_output_width;        /* image width for LCD output */
   kal_uint16 memory_output_height;       /* image height for LCD output */
   kal_uint32 memory_output_buffer_address;
   kal_uint32 memory_output_buffer_size;
#endif

} jpeg_sw_encode_process_struct;



typedef struct
{
   kal_uint8 *bits;
   kal_uint8 *huffval;
   kal_uint16 *ehufco;
   kal_uint8 *ehufsi;
} HUFF_TBL;


typedef struct
{
   IMAGE_FORMAT_ENUM input_type;    /* IMAGE_FORMAT_RGB565 or IMAGE_FORMAT_YUV420 */
   IMAGE_FORMAT_ENUM output_type;      /* IMAGE_FORMAT_GRAY or IMAGE_FORMAT_YUV420 */

   kal_uint8 image_quality;
   kal_uint8 num_of_comp;
   kal_uint8 max_h_sample_factor;
   kal_uint8 max_v_sample_factor;

   kal_uint8 *jpeg_yuv_data[3];

   kal_uint32 jpeg_file_start_address;

   kal_uint16 image_width;       /// the width of image source
   kal_uint16 image_height;      /// the height of image source

   kal_uint16 jpg_encode_width;  /// Encode width after padding
   kal_uint16 jpg_encode_height; /// Encode height after padding

   kal_uint16 MCUs_per_row;      /// # of MCUs across the image
   kal_uint16 num_mcu_row;

   /// Bellow this line is the info. of each Y,U,V component
   kal_uint16 sample_width[3];

   kal_uint8 h_sample_factor[3]; /// sample factor of Y,U,V component
   kal_uint8 v_sample_factor[3];

   kal_uint8 MCU_DU_width[3];    /// number of blocks per MCU, horizontally
   kal_uint8 MCU_DU_height[3];   /// number of blocks per MCU, vertically

   /// Bellow this line is the table ptrs and block ptrs
   kal_int16 *block;
   kal_int32 *dct_ptr;
   kal_int16 *Quant[2];
   kal_int16 *Scaled_Quant[2];
   kal_uint8 q_table_no[3];
   kal_uint8 dc_huff_table_no[3];
   kal_uint8 ac_huff_table_no[3];
   HUFF_TBL dc_huff_table[2];
   HUFF_TBL ac_huff_table[2];
   kal_int32 last_dc_val[3];
   
} jpeg_sw_encode_para_struct;



typedef struct
{
   kal_uint32 *int_ram_start_ptr;
   kal_uint32 int_ram_total_length;
   kal_uint32 int_ram_index;
   kal_bool int_ram_init;
} JPEG_MEM_STRUCT;


#if defined(__MTK_TARGET__) || defined (__SW_JPEG_CODEC_SUPPORT__)
   #define jpeg_encode_process_struct jpeg_sw_encode_process_struct
   kal_uint32 jpeg_encode_process(jpeg_encode_process_struct *jpeg_encode_config_data);
#else
   kal_uint32 jpeg_sw_encode_process(jpeg_sw_encode_process_struct *jpeg_encode_config_data);
#endif


#endif /// #if defined(__SW_JPEG_CODEC_SUPPORT__) || !defined(__MTK_TARGET__)

#endif /// __JPEG_SW_H__