/*************************************************************************

*

* This software module was originally contributed by Microsoft

* Corporation in the course of development of the

* ITU-T T.832 | ISO/IEC 29199-2 ("JPEG XR") format standard for

* reference purposes and its performance may not have been optimized.

*

* This software module is an implementation of one or more

* tools as specified by the JPEG XR standard.

*

* ITU/ISO/IEC give You a royalty-free, worldwide, non-exclusive

* copyright license to copy, distribute, and make derivative works

* of this software module or modifications thereof for use in

* products claiming conformance to the JPEG XR standard as

* specified by ITU-T T.832 | ISO/IEC 29199-2.

*

* ITU/ISO/IEC give users the same free license to this software

* module or modifications thereof for research purposes and further

* ITU/ISO/IEC standardization.

*

* Those intending to use this software module in products are advised

* that its use may infringe existing patents. ITU/ISO/IEC have no

* liability for use of this software module or modifications thereof.

*

* Copyright is not released for products that do not conform to

* to the JPEG XR standard as specified by ITU-T T.832 |

* ISO/IEC 29199-2.

*

******** Section to be removed when the standard is published ************

*

* Assurance that the contributed software module can be used

* (1) in the ITU-T "T.JXR" | ISO/IEC 29199 ("JPEG XR") standard once the

* standard has been adopted; and

* (2) to develop the JPEG XR standard:

*

* Microsoft Corporation and any subsequent contributors to the development

* of this software grant ITU/ISO/IEC all rights necessary to include

* the originally developed software module or modifications thereof in the

* JPEG XR standard and to permit ITU/ISO/IEC to offer such a royalty-free,

* worldwide, non-exclusive copyright license to copy, distribute, and make

* derivative works of this software module or modifications thereof for

* use in products claiming conformance to the JPEG XR standard as

* specified by ITU-T T.832 | ISO/IEC 29199-2, and to the extent that

* such originally developed software module or portions of it are included

* in an ITU/ISO/IEC standard. To the extent that the original contributors

* may own patent rights that would be required to make, use, or sell the

* originally developed software module or portions thereof included in the

* ITU/ISO/IEC standard in a conforming product, the contributors will

* assure ITU/ISO/IEC that they are willing to negotiate licenses under

* reasonable and non-discriminatory terms and conditions with

* applicants throughout the world and in accordance with their patent

* rights declarations made to ITU/ISO/IEC (if any).

*

* Microsoft, any subsequent contributors, and ITU/ISO/IEC additionally

* gives You a free license to this software module or modifications

* thereof for the sole purpose of developing the JPEG XR standard.

*

******** end of section to be removed when the standard is published *****

*

* Microsoft Corporation retains full right to modify and use the code

* for its own purpose, to assign or donate the code to a third party,

* and to inhibit third parties from using the code for products that

* do not conform to the JPEG XR standard as specified by ITU-T T.832 |

* ISO/IEC 29199-2.

*

* This copyright notice must be included in all copies or derivative

* works.

*

* Copyright (c) ITU-T/ISO/IEC 2008, 2009.

***********************************************************************/

#ifdef _MSC_VER

#pragma comment (user,"$Id: r_tile_frequency.c,v 1.9 2011-11-08 20:17:29 thor Exp $")

#endif

# include "jxr_priv.h"

# include <assert.h>

static void backup_dc_strip(jxr_image_t image, int tx, int ty, int my);

static void backup_dclp_strip(jxr_image_t image, int tx, int ty, int my);

static void backup_hp_strip(jxr_image_t image, int tx, int ty, int my);

static void recover_dc_strip(jxr_image_t image, int tx, int ty, int my);

static void recover_dclp_strip(jxr_image_t image, int tx, int ty, int my);

static void recover_dclphp_strip(jxr_image_t image, int tx, int ty, int my);

int _jxr_r_TILE_DC(jxr_image_t image, struct rbitstream*str,

                   unsigned tx, unsigned ty)

{

    unsigned mx, my;

    unsigned mb_height;

    unsigned mb_width;

    unsigned char s0, s1, s2, s3;

    DEBUG("START TILE_DC at tile=[%u %u] bitpos=%zu\n", tx, ty, _jxr_rbitstream_bitpos(str));

    /* TILE_STARTCODE == 1 */

    s0 = _jxr_rbitstream_uint8(str); /* 0x00 */

    s1 = _jxr_rbitstream_uint8(str); /* 0x00 */

    s2 = _jxr_rbitstream_uint8(str); /* 0x01 */

    s3 = _jxr_rbitstream_uint8(str); /* reserved */

    DEBUG(" TILE_STARTCODE == %02x %02x %02x (reserved: %02x)\n", s0, s1, s2, s3);

    if (s0 != 0x00 || s1 != 0x00 || s2 != 0x01) {

      DEBUG(" TILE_LOWPASS ERROR: Invalid marker.\n");

      return JXR_EC_ERROR;

      /* FIX THOR: Invalid TILE_STARTCODE detected */

    }

    _jxr_r_TILE_HEADER_DC(image, str, 0 /* alpha */, tx, ty);

    if (ALPHACHANNEL_FLAG(image))

        _jxr_r_TILE_HEADER_DC(image->alpha, str, 1, tx, ty);

    /* Now form and write out all the compressed data for the

    tile. This involves scanning the macroblocks, and the

    blocks within the macroblocks, generating bits as we go. */

    mb_height = EXTENDED_HEIGHT_BLOCKS(image);

    mb_width = EXTENDED_WIDTH_BLOCKS(image);

    if (TILING_FLAG(image)) {

        mb_height = image->tile_row_height[ty];

        mb_width = image->tile_column_width[tx];

    }

    for (my = 0 ; my < mb_height ; my += 1) {

        _jxr_r_rotate_mb_strip(image);

        image->cur_my = my;

        for (mx = 0 ; mx < mb_width ; mx += 1) {

            _jxr_r_MB_DC(image, str, 0, tx, ty, mx, my);

            if (image->bands_present == 3 /* DCONLY */)

                _jxr_complete_cur_dclp(image, tx, mx, my);

            if (ALPHACHANNEL_FLAG(image)) {

                _jxr_r_MB_DC(image->alpha, str, 1, tx, ty, mx, my);

                if (image->alpha->bands_present == 3 /* DCONLY */)

                    _jxr_complete_cur_dclp(image->alpha, tx, mx, my);

            }

        }

        if (ALPHACHANNEL_FLAG(image))

            backup_dc_strip(image->alpha, tx, ty, my);

        backup_dc_strip(image, tx, ty, my);

    }

    _jxr_rbitstream_syncbyte(str);

    DEBUG("END TILE_DC\n");

    return 0;

}

int _jxr_r_TILE_LP(jxr_image_t image, struct rbitstream*str,

                   unsigned tx, unsigned ty)

{

    unsigned mx, my;

    unsigned plane_idx, num_planes;

    unsigned mb_height;

    unsigned mb_width;

    unsigned char s0, s1, s2, s3;

    DEBUG("START TILE_LOWPASS at tile=[%u %u] bitpos=%zu\n", tx, ty, _jxr_rbitstream_bitpos(str));

    /* TILE_STARTCODE == 1 */

    s0 = _jxr_rbitstream_uint8(str); /* 0x00 */

    s1 = _jxr_rbitstream_uint8(str); /* 0x00 */

    s2 = _jxr_rbitstream_uint8(str); /* 0x01 */

    s3 = _jxr_rbitstream_uint8(str); /* reserved */

    DEBUG(" TILE_STARTCODE == %02x %02x %02x (reserved: %02x)\n", s0, s1, s2, s3);

    if (s0 != 0x00 || s1 != 0x00 || s2 != 0x01) {

        DEBUG(" TILE_LOWPASS ERROR: Invalid marker.\n");

        return JXR_EC_ERROR;

    }

    _jxr_r_TILE_HEADER_LOWPASS(image, str, 0 /* alpha */, tx, ty);

    if (ALPHACHANNEL_FLAG(image))

        _jxr_r_TILE_HEADER_LOWPASS(image->alpha, str, 1, tx, ty);

    /* Now form and write out all the compressed data for the

    tile. This involves scanning the macroblocks, and the

    blocks within the macroblocks, generating bits as we go. */

    mb_height = EXTENDED_HEIGHT_BLOCKS(image);

    mb_width = EXTENDED_WIDTH_BLOCKS(image);

    if (TILING_FLAG(image)) {

        mb_height = image->tile_row_height[ty];

        mb_width = image->tile_column_width[tx];

    }

    num_planes = ((ALPHACHANNEL_FLAG(image)) ? 2 : 1);

    for (my = 0 ; my < mb_height ; my += 1) {

        _jxr_r_rotate_mb_strip(image);

        if (ALPHACHANNEL_FLAG(image)) {

            image->alpha->cur_my = my;

            recover_dc_strip(image->alpha, tx, ty, my);

        }

        image->cur_my = my;

        recover_dc_strip(image, tx, ty, my);

        for (mx = 0 ; mx < mb_width ; mx += 1)

        for (plane_idx = 0; plane_idx < num_planes; plane_idx ++) {

            /* The qp_index_lp table goes only into channel 0 */

            int qp_index_lp = 0;

            int ch;

            jxr_image_t plane = (plane_idx == 0 ? image : image->alpha);

            if (!plane->lp_use_dc_qp && plane->num_lp_qps>1) {

                qp_index_lp = _jxr_DECODE_QP_INDEX(str, plane->num_lp_qps);

                DEBUG(" DECODE_QP_INDEX(%d) --> %u\n", plane->num_lp_qps, qp_index_lp);

            }

            for (ch = 0 ; ch < plane->num_channels ; ch += 1) {

                MACROBLK_CUR_LP_QUANT(plane,ch,tx,mx) = qp_index_lp;

                DEBUG(" LP_QUANT for MBx=%d ch=%d is %d\n", mx, ch, MACROBLK_CUR_LP_QUANT(plane,ch,tx,mx));

            }

            _jxr_r_MB_LP(plane, str, 0, tx, ty, mx, my);

            if (plane->bands_present != 3 /* !DCONLY */)

                _jxr_complete_cur_dclp(plane, tx, mx, my);

        }

        if (ALPHACHANNEL_FLAG(image))

            backup_dclp_strip(image->alpha, tx, ty, my);

        backup_dclp_strip(image, tx, ty, my);

    }

    _jxr_rbitstream_syncbyte(str);

    DEBUG("END TILE_LOWPASS\n");

    return 0;

}

int _jxr_r_TILE_HP(jxr_image_t image, struct rbitstream*str,

                   unsigned tx, unsigned ty)

{

    unsigned mx, my;

    unsigned plane_idx, num_planes;

    unsigned mb_height;

    unsigned mb_width;

    unsigned char s0, s1, s2, s3;

    DEBUG("START TILE_HIGHPASS at tile=[%u %u] bitpos=%zu\n", tx, ty, _jxr_rbitstream_bitpos(str));

    /* TILE_STARTCODE == 1 */

    s0 = _jxr_rbitstream_uint8(str); /* 0x00 */

    s1 = _jxr_rbitstream_uint8(str); /* 0x00 */

    s2 = _jxr_rbitstream_uint8(str); /* 0x01 */

    s3 = _jxr_rbitstream_uint8(str); /* reserved */

    DEBUG(" TILE_STARTCODE == %02x %02x %02x (reserved: %02x)\n", s0, s1, s2, s3);

    if (s0 != 0x00 || s1 != 0x00 || s2 != 0x01) {

        DEBUG(" TILE_HIGHPASS ERROR: Invalid marker.\n");

        return JXR_EC_ERROR;

    }

    _jxr_r_TILE_HEADER_HIGHPASS(image, str, 0 /* alpha */, tx, ty);

    if (ALPHACHANNEL_FLAG(image))

        _jxr_r_TILE_HEADER_HIGHPASS(image->alpha, str, 1, tx, ty);

    /* Now form and write out all the compressed data for the

    tile. This involves scanning the macroblocks, and the

    blocks within the macroblocks, generating bits as we go. */

    mb_height = EXTENDED_HEIGHT_BLOCKS(image);

    mb_width = EXTENDED_WIDTH_BLOCKS(image);

    if (TILING_FLAG(image)) {

        mb_height = image->tile_row_height[ty];

        mb_width = image->tile_column_width[tx];

    }

    num_planes = ((ALPHACHANNEL_FLAG(image)) ? 2 : 1);

    for (my = 0 ; my < mb_height ; my += 1) {

        _jxr_r_rotate_mb_strip(image);

        if (ALPHACHANNEL_FLAG(image)) {

            image->alpha->cur_my = my;

            recover_dclp_strip(image->alpha, tx, ty, my);

        }

        image->cur_my = my;

        recover_dclp_strip(image, tx, ty, my);

        for (mx = 0 ; mx < mb_width ; mx += 1)

        for (plane_idx = 0; plane_idx < num_planes; plane_idx ++) {

            /* The qp_index_hp table goes only into channel 0 */

            int qp_index_hp = 0;

            int ch;

            int rc;

            jxr_image_t plane = (plane_idx == 0 ? image : image->alpha);

            if (plane->num_hp_qps>1) {

                if (!plane->hp_use_lp_qp)

                    qp_index_hp = _jxr_DECODE_QP_INDEX(str, plane->num_hp_qps);

                else

                    qp_index_hp = MACROBLK_CUR_LP_QUANT(plane,0,tx,mx);

            }

            DEBUG(" HP_QP_INDEX for MBx=%d is %d\n", mx, qp_index_hp);

            for (ch = 0 ; ch < plane->num_channels ; ch += 1) {

                MACROBLK_CUR_HP_QUANT(plane,ch,tx,mx) = plane->hp_quant_ch[ch][qp_index_hp];

                DEBUG(" HP_QUANT for MBx=%d ch=%d is %d\n", mx, ch, MACROBLK_CUR_HP_QUANT(plane,ch,tx,mx));

            }

            rc = _jxr_r_MB_CBP(plane, str, 0, tx, ty, mx, my);

            if (rc < 0) {

                DEBUG("r_MB_CBP returned ERROR rc=%d\n", rc);

                return rc;

            }

            rc = _jxr_r_MB_HP(plane, str, 0, tx, ty, mx, my);

            if (rc < 0) {

                DEBUG("r_MB_HP returned ERROR rc=%d\n", rc);

                return rc;

            }

        }

        if (ALPHACHANNEL_FLAG(image))

            backup_hp_strip(image->alpha, tx, ty, my);

        backup_hp_strip(image, tx, ty, my);

    }

    _jxr_rbitstream_syncbyte(str);

    DEBUG("END TILE_HIGHPASS\n");

    return 0;

}

int _jxr_r_TILE_FLEXBITS(jxr_image_t image, struct rbitstream*str,

                         unsigned tx, unsigned ty)

{

    int mx, my;

    int plane_idx, num_planes;

    unsigned mb_height;

    unsigned mb_width;

    int use_num_channels;

    unsigned char s0, s1, s2, s3;

    DEBUG("START TILE_FLEXBITS at tile=[%u %u] bitpos=%zu\n", tx, ty, _jxr_rbitstream_bitpos(str));

    /* TILE_STARTCODE == 1 */

    s0 = _jxr_rbitstream_uint8(str); /* 0x00 */

    s1 = _jxr_rbitstream_uint8(str); /* 0x00 */

    s2 = _jxr_rbitstream_uint8(str); /* 0x01 */

    s3 = _jxr_rbitstream_uint8(str); /* reserved */

    DEBUG(" TILE_STARTCODE == %02x %02x %02x (reserved: %02x)\n", s0, s1, s2, s3);

    if (s0 != 0x00 || s1 != 0x00 || s2 != 0x01) {

        DEBUG(" TILE_FLEXBITS ERROR: Invalid marker.\n");

        return JXR_EC_ERROR; /* THOR: The specs say that this should be decoded nevertheless, though. */

    }

    image->trim_flexbits = 0;

    if (TRIM_FLEXBITS_FLAG(image)) {

        image->trim_flexbits =_jxr_rbitstream_uint4(str);

        DEBUG(" TRIM_FLEXBITS = %u\n", image->trim_flexbits);

    }

    use_num_channels = image->num_channels;

    if (image->use_clr_fmt == 1/*YUV420*/ || image->use_clr_fmt == 2/*YUV422*/)

        use_num_channels = 1;

    /* Now form and write out all the compressed data for the

    tile. This involves scanning the macroblocks, and the

    blocks within the macroblocks, generating bits as we go. */

    mb_height = EXTENDED_HEIGHT_BLOCKS(image);

    mb_width = EXTENDED_WIDTH_BLOCKS(image);

    if (TILING_FLAG(image)) {

        mb_height = image->tile_row_height[ty];

        mb_width = image->tile_column_width[tx];

    }

    num_planes = ((ALPHACHANNEL_FLAG(image)) ? 2 : 1);

    for (my = 0 ; my < (int) mb_height ; my += 1) {

        _jxr_r_rotate_mb_strip(image);

        if (ALPHACHANNEL_FLAG(image)) {

            image->alpha->cur_my = my;

            recover_dclphp_strip(image->alpha, tx, ty, my);

        }

        image->cur_my = my;

        recover_dclphp_strip(image, tx, ty, my);

        for (mx = 0 ; mx < (int) mb_width ; mx += 1)

        for (plane_idx = 0; plane_idx < num_planes; plane_idx ++) {

            jxr_image_t plane = (plane_idx == 0 ? image : image->alpha);

            int channels = (plane_idx == 0 ? use_num_channels : 1);

            int rc = _jxr_r_MB_FLEXBITS(plane, str, 0, tx, ty, mx, my);

            int mbhp_pred_mode;

            int idx;

            if (rc < 0) {

                DEBUG("r_MB_FLEXBITS returned ERROR rc=%d\n", rc);

                return rc;

            }

            /* Now the HP values are complete, so run the propagation

            process. This involves recovering some bits of data saved

            by the HP tile. */

            mbhp_pred_mode = MACROBLK_CUR(plane,0,tx,mx).mbhp_pred_mode;

            for (idx = 0 ; idx < channels ; idx += 1) {

                DEBUG(" MB_FLEXBITS: propagate HP predictions in MB_FLEXBITS\n");

                _jxr_propagate_hp_predictions(plane, idx, tx, mx, mbhp_pred_mode);

            }

        }

        if (ALPHACHANNEL_FLAG(image))

            backup_hp_strip(image->alpha, tx, ty, my);

        backup_hp_strip(image, tx, ty, my);

    }

    _jxr_rbitstream_syncbyte(str);

    DEBUG("END TILE_FLEXBITS bitpos=%zu\n", _jxr_rbitstream_bitpos(str));

    return 0;

}

/*

* This function handles the special case that the FLEXBITS tile is

* escaped away. Do all the soft processing that is otherwise needed.

*/

int _jxr_r_TILE_FLEXBITS_ESCAPE(jxr_image_t image, unsigned tx, unsigned ty)

{

    int use_num_channels = image->num_channels;

    unsigned mb_height = EXTENDED_HEIGHT_BLOCKS(image);

    unsigned mb_width = EXTENDED_WIDTH_BLOCKS(image);

    int mx, my;

    DEBUG("START TILE_FLEXBITS_ESCAPE at tile=[%u %u]\n", tx, ty);

    use_num_channels = image->num_channels;

    if (image->use_clr_fmt == 1/*YUV420*/ || image->use_clr_fmt == 2/*YUV422*/)

        use_num_channels = 1;

    mb_height = EXTENDED_HEIGHT_BLOCKS(image);

    mb_width = EXTENDED_WIDTH_BLOCKS(image);

    if (TILING_FLAG(image)) {

        mb_height = image->tile_row_height[ty];

        mb_width = image->tile_column_width[tx];

    }

    for (my = 0 ; my < (int) mb_height ; my += 1) {

        _jxr_r_rotate_mb_strip(image);

        image->cur_my = my;

        recover_dclphp_strip(image, tx, ty, my);

        for (mx = 0 ; mx < (int) mb_width ; mx += 1) {

            /* */

            int mbhp_pred_mode = MACROBLK_CUR(image,0,tx,mx).mbhp_pred_mode;

            int idx;

            for (idx = 0 ; idx < use_num_channels ; idx += 1) {

                DEBUG(" MB_FLEXBITS_ESCAPE: propagate HP predictions in MB_FLEXBITS\n");

                _jxr_propagate_hp_predictions(image, idx, tx, mx, mbhp_pred_mode);

            }

        }

        backup_hp_strip(image, tx, ty, my);

    }

    DEBUG("END TILE_FLEXBIT_ESCAPE\n");

    return 0;

}

static void backup_dc_strip(jxr_image_t image, int tx, int ty, int my)

{

    int mx;

    int use_my = my + image->tile_row_position[ty];

    int use_mx = image->tile_column_position[tx];

    int ptr = use_my*EXTENDED_WIDTH_BLOCKS(image) + use_mx;

    int ch;

    for (ch = 0 ; ch < image->num_channels ; ch += 1) {

        struct macroblock_s*mb = image->mb_row_buffer[ch] + ptr;

        for (mx = 0 ; mx < (int) image->tile_column_width[tx] ; mx += 1) {

            mb[mx].data[0] = MACROBLK_CUR_DC(image,ch,tx,mx);

            DEBUG(" backup_dc_strip: tx=%d, ty=%d, mx=%d, my=%d, ch=%d, DC=0x%0x8\n",

                tx, ty, mx, my, ch, mb[mx].data[0]);

        }

    }

}

static void backup_dclp_strip(jxr_image_t image, int tx, int ty, int my)

{

    int mx;

    int use_my = my + image->tile_row_position[ty];

    int use_mx = image->tile_column_position[tx];

    int ptr = use_my*EXTENDED_WIDTH_BLOCKS(image) + use_mx;

    int format_scale = 15;

    int ch;

    if (image->use_clr_fmt == 2 /* YUV422 */) {

        format_scale = 7;

    } else if (image->use_clr_fmt == 1 /* YUV420 */) {

        format_scale = 3;

    }

    for (ch = 0 ; ch < image->num_channels ; ch += 1) {

        struct macroblock_s*mb = image->mb_row_buffer[ch] + ptr;

        int count = ch==0? 15 : format_scale;

        for (mx = 0 ; mx < (int) image->tile_column_width[tx] ; mx += 1) {

            int idx;

            mb[mx].data[0] = MACROBLK_CUR_DC(image,ch,tx,mx);

            DEBUG(" backup_dclp_strip: tx=%d, ty=%d, mx=%d, my=%d, ch=%d, DC=0x%x, LP=",

                tx, ty, mx, my, ch, mb[mx].data[0]);

            for (idx = 0 ; idx < count ; idx += 1) {

                mb[mx].data[idx+1] = MACROBLK_CUR_LP(image,ch,tx,mx,idx);

                DEBUG(" 0x%x", mb[mx].data[idx+1]);

            }

            DEBUG("\n");

            mb[mx].lp_quant = MACROBLK_CUR_LP_QUANT(image,ch,tx,mx);

        }

    }

}

static void backup_hp_strip(jxr_image_t image, int tx, int ty, int my)

{

    int mx;

    int use_my = my + image->tile_row_position[ty];

    int use_mx = image->tile_column_position[tx];

    int ptr = use_my*EXTENDED_WIDTH_BLOCKS(image) + use_mx;

    int format_scale = 16;

    int ch;

    if (image->use_clr_fmt == 2 /* YUV422 */) {

        format_scale = 8;

    } else if (image->use_clr_fmt == 1 /* YUV420 */) {

        format_scale = 4;

    }

    for (ch = 0 ; ch < image->num_channels ; ch += 1) {

        struct macroblock_s*mb = image->mb_row_buffer[ch] + ptr;

        int count = ch==0? 16 : format_scale;

        if (ch == 0) {

            /* Backup also the hp_model_bits, which are

            stored only in the channel-0 blocks. */

            for (mx = 0 ; mx < (int) image->tile_column_width[tx] ; mx += 1) {

                mb[mx].hp_model_bits[0] = MACROBLK_CUR(image,0,tx,mx).hp_model_bits[0];

                mb[mx].hp_model_bits[1] = MACROBLK_CUR(image,0,tx,mx).hp_model_bits[1];

                mb[mx].mbhp_pred_mode = MACROBLK_CUR(image,0,tx,mx).mbhp_pred_mode;

            }

        }

        for (mx = 0 ; mx < (int) image->tile_column_width[tx] ; mx += 1) {

            int blk;

            mb[mx].data[0] = MACROBLK_CUR_DC(image,ch,tx,mx);

            DEBUG(" backup_hp_strip: tx=%d, ty=%d, mx=%d, my=%d, ch=%d\n",

                tx, ty, mx, my, ch);

            for (blk = 0 ; blk < count ; blk += 1) {

                int idx;

                for (idx = 0 ; idx < 15 ; idx += 1)

                    mb[mx].data[count+15*blk+idx] = MACROBLK_CUR_HP(image,ch,tx,mx,blk,idx);

            }

            mb[mx].hp_quant = MACROBLK_CUR_HP_QUANT(image,ch,tx,mx);

        }

    }

}

static void recover_dc_strip(jxr_image_t image, int tx, int ty, int my)

{

    int mx;

    int use_my = my + image->tile_row_position[ty];

    int use_mx = image->tile_column_position[tx];

    int ptr = use_my*EXTENDED_WIDTH_BLOCKS(image) + use_mx;

    int ch;

    for (ch = 0 ; ch < image->num_channels ; ch += 1) {

        struct macroblock_s*mb = image->mb_row_buffer[ch] + ptr;

        for (mx = 0 ; mx < (int) image->tile_column_width[tx] ; mx += 1) {

            MACROBLK_CUR_DC(image,ch,tx,mx) = mb[mx].data[0];

            DEBUG(" recover_dc_strip: tx=%d, ty=%d, mx=%d, my=%d, ch=%d, DC=0x%0x8\n",

                tx, ty, mx, my, ch, mb[mx].data[0]);

        }

    }

}

static void recover_dclp_strip(jxr_image_t image, int tx, int ty, int my)

{

    int mx;

    int use_my = my + image->tile_row_position[ty];

    int use_mx = image->tile_column_position[tx];

    int ptr = use_my*EXTENDED_WIDTH_BLOCKS(image) + use_mx;

    int ch;

    int format_scale = 15;

    if (image->use_clr_fmt == 2 /* YUV422 */) {

        format_scale = 7;

    } else if (image->use_clr_fmt == 1 /* YUV420 */) {

        format_scale = 3;

    }

    for (ch = 0 ; ch < image->num_channels ; ch += 1) {

        struct macroblock_s*mb = image->mb_row_buffer[ch] + ptr;

        int count = ch==0? 15 : format_scale;

        for (mx = 0 ; mx < (int) image->tile_column_width[tx] ; mx += 1) {

            int idx;

            MACROBLK_CUR_DC(image,ch,tx,mx) = mb[mx].data[0];

            DEBUG(" recover_dclp_strip: tx=%d, ty=%d, mx=%d, my=%d, ch=%d, DC=0x%0x8, LP=\n",

                tx, ty, mx, my, ch, mb[mx].data[0]);

            for (idx = 0 ; idx < count ; idx += 1) {

                MACROBLK_CUR_LP(image,ch,tx,mx,idx) = mb[mx].data[idx+1];

                DEBUG(" 0x%x", mb[mx].data[idx+1]);

            }

            DEBUG("\n");

            MACROBLK_CUR_LP_QUANT(image,ch,tx,mx) = mb[mx].lp_quant;

        }

    }

}

static void recover_dclphp_strip(jxr_image_t image, int tx, int ty, int my)

{

    int mx;

    int use_my = my + image->tile_row_position[ty];

    int use_mx = image->tile_column_position[tx];

    int ptr = use_my*EXTENDED_WIDTH_BLOCKS(image) + use_mx;

    int format_scale = 16;

    int ch;

    if (image->use_clr_fmt == 2 /* YUV422 */) {

        format_scale = 8;

    } else if (image->use_clr_fmt == 1 /* YUV420 */) {

        format_scale = 4;

    }

    for (ch = 0 ; ch < image->num_channels ; ch += 1) {

        struct macroblock_s*mb = image->mb_row_buffer[ch] + ptr;

        int count = ch==0? 16 : format_scale;

        if (ch == 0) {

            /* Recover also the hp_model_bits, which are

            stored only in the channel-0 blocks. */

            for (mx = 0 ; mx < (int) image->tile_column_width[tx] ; mx += 1) {

                MACROBLK_CUR(image,0,tx,mx).hp_model_bits[0] = mb[mx].hp_model_bits[0];

                MACROBLK_CUR(image,0,tx,mx).hp_model_bits[1] = mb[mx].hp_model_bits[1];

                MACROBLK_CUR(image,0,tx,mx).mbhp_pred_mode = mb[mx].mbhp_pred_mode;

            }

        }

        for (mx = 0 ; mx < (int) image->tile_column_width[tx] ; mx += 1) {

            int blk;

            MACROBLK_CUR_DC(image,ch,tx,mx) = mb[mx].data[0];

            DEBUG(" recover_dclphp_strip: tx=%d, ty=%d, mx=%d, my=%d, ch=%d, DC=0x%0x8, LP=\n",

                tx, ty, mx, my, ch, mb[mx].data[0]);

            for (blk = 1 ; blk < count ; blk += 1) {

                MACROBLK_CUR_LP(image,ch,tx,mx,blk-1) = mb[mx].data[blk];

                DEBUG(" 0x%x", mb[mx].data[blk]);

            }

            for (blk = 0 ; blk < count ; blk += 1) {

                int idx;

                for (idx = 0 ; idx < 15 ; idx += 1) {

                    int data_ptr = count+15*blk+idx;

                    MACROBLK_CUR_HP(image,ch,tx,mx,blk,idx) = mb[mx].data[data_ptr];

                }

            }

            DEBUG("\n");

            MACROBLK_CUR_LP_QUANT(image,ch,tx,mx) = mb[mx].lp_quant;

            MACROBLK_CUR_HP_QUANT(image,ch,tx,mx) = mb[mx].hp_quant;

        }

    }

}

void _jxr_frequency_mode_render(jxr_image_t image)

{

    int ty;

    for (ty = 0 ; ty < (int) image->tile_rows ; ty += 1) {

        int my;

        for (my = 0 ; my < (int) image->tile_row_height[ty] ; my += 1) {

            int tx;

            if (ALPHACHANNEL_FLAG(image))

                _jxr_rflush_mb_strip(image->alpha, -1, -1, my + image->alpha->tile_row_position[ty]);

            _jxr_rflush_mb_strip(image, -1, -1, my + image->tile_row_position[ty]);

            for (tx = 0 ; tx < (int) image->tile_columns ; tx += 1) {

                if (ALPHACHANNEL_FLAG(image))

                    recover_dclphp_strip(image->alpha, tx, ty, my);

                recover_dclphp_strip(image, tx, ty, my);

            }

        }

    }

    if (ALPHACHANNEL_FLAG(image))

        _jxr_rflush_mb_strip(image->alpha, -1, -1, EXTENDED_HEIGHT_BLOCKS(image->alpha)+0);

    _jxr_rflush_mb_strip(image, -1, -1, EXTENDED_HEIGHT_BLOCKS(image)+0);

    if (ALPHACHANNEL_FLAG(image))

        _jxr_rflush_mb_strip(image->alpha, -1, -1, EXTENDED_HEIGHT_BLOCKS(image->alpha)+1);

    _jxr_rflush_mb_strip(image, -1, -1, EXTENDED_HEIGHT_BLOCKS(image)+1);

    if (ALPHACHANNEL_FLAG(image))

        _jxr_rflush_mb_strip(image->alpha, -1, -1, EXTENDED_HEIGHT_BLOCKS(image->alpha)+2);

    _jxr_rflush_mb_strip(image, -1, -1, EXTENDED_HEIGHT_BLOCKS(image)+2);

    if (ALPHACHANNEL_FLAG(image))

        _jxr_rflush_mb_strip(image->alpha, -1, -1, EXTENDED_HEIGHT_BLOCKS(image->alpha)+3);

    _jxr_rflush_mb_strip(image, -1, -1, EXTENDED_HEIGHT_BLOCKS(image)+3);

}

/*

** thor: Added April 2nd: Render only a single stripe in frequency mode,

** then return with an indicator whether this was the last one.

*/

int _jxr_frequency_mode_render_stripe(jxr_image_t image)

{

  int tx;

  int ty = image->stripe_ty;

  int my = image->stripe_my;

  /*

  image->stripe_ty

  int ty = image->

    for (ty = 0 ; ty < (int) image->tile_rows ; ty += 1) {

        int my;

        for (my = 0 ; my < (int) image->tile_row_height[ty] ; my += 1) {

  */

  switch(image->cleanup_state) {

  case 0:

    do {

      if (ALPHACHANNEL_FLAG(image))

        _jxr_rflush_mb_strip(image->alpha, -1, -1, my + image->alpha->tile_row_position[ty]);

      _jxr_rflush_mb_strip(image, -1, -1, my + image->tile_row_position[ty]);

      for (tx = 0 ; tx < (int) image->tile_columns ; tx += 1) {

        if (ALPHACHANNEL_FLAG(image))

          recover_dclphp_strip(image->alpha, tx, ty, my);

        recover_dclphp_strip(image, tx, ty, my);

      }

      my = ++image->stripe_my;

    } while (image->stripe_my < image->tile_row_height[ty] && image->output_sent == 0);

    if (image->stripe_my < image->tile_row_height[ty]) {

      /* Not yet done, continue with this tile. */

      image->output_sent = 0;

      return 0;

    }

    assert(image->stripe_my == image->tile_row_height[ty]);

    image->stripe_my = 0;

    image->stripe_ty++;

    if (image->stripe_ty < image->tile_rows && image->output_sent) {

      /* Not yet done, continue with the next tile */

      image->output_sent = 0;

      return 0;

    }

    if (image->stripe_ty == image->tile_rows)

      image->cleanup_state++;

    if (image->output_sent) {

      image->output_sent = 0;

      return 0;

    }

    // Runs into the following

  case 1:

    if (ALPHACHANNEL_FLAG(image))

        _jxr_rflush_mb_strip(image->alpha, -1, -1, EXTENDED_HEIGHT_BLOCKS(image->alpha)+0);

    _jxr_rflush_mb_strip(image, -1, -1, EXTENDED_HEIGHT_BLOCKS(image)+0);

    image->cleanup_state++;

    if (image->output_sent) {

      image->output_sent = 0;

      return 0;

    }

    // runs into the following

  case 2:

    if (ALPHACHANNEL_FLAG(image))

      _jxr_rflush_mb_strip(image->alpha, -1, -1, EXTENDED_HEIGHT_BLOCKS(image->alpha)+1);

    _jxr_rflush_mb_strip(image, -1, -1, EXTENDED_HEIGHT_BLOCKS(image)+1);

    image->cleanup_state++;

    if (image->output_sent) {

      image->output_sent = 0;

      return 0;

    }

    // runs into the following

  case 3:

    if (ALPHACHANNEL_FLAG(image))

      _jxr_rflush_mb_strip(image->alpha, -1, -1, EXTENDED_HEIGHT_BLOCKS(image->alpha)+2);

    _jxr_rflush_mb_strip(image, -1, -1, EXTENDED_HEIGHT_BLOCKS(image)+2);

    image->cleanup_state++;

    if (image->output_sent) {

      image->output_sent = 0;

      return 0;

    }

    // runs into the following

  case 4:

    if (ALPHACHANNEL_FLAG(image))

      _jxr_rflush_mb_strip(image->alpha, -1, -1, EXTENDED_HEIGHT_BLOCKS(image->alpha)+3);

    _jxr_rflush_mb_strip(image, -1, -1, EXTENDED_HEIGHT_BLOCKS(image)+3);

    image->cleanup_state++;

    if (image->output_sent) {

      image->output_sent = 0;

      return 0;

    }

    // runs into the following

  default:

    return JXR_EC_DONE;

  }

}

/*

* $Log: r_tile_frequency.c,v $

* Revision 1.9  2011-11-08 20:17:29  thor

* Merged a couple of fixes from the JNB.

*

* Revision 1.8  2011-04-28 08:45:43  thor

* Fixed compiler warnings, ported to gcc 4.4, removed obsolete files.

*

* Revision 1.7  2010-05-01 11:16:08  thor

* Fixed the tiff tag order. Added spatial/line mode.

*

* Revision 1.6  2010-03-31 07:50:59  thor

* Replaced by the latest MS version.

*

* Revision 1.16 2009/05/29 12:00:00 microsoft

* Reference Software v1.6 updates.

*

* Revision 1.15 2009/04/13 12:00:00 microsoft

* Reference Software v1.5 updates.

*

* Revision 1.14 2008/03/18 21:34:04 steve

* Fix distributed color prediction.

*

* Revision 1.13 2008/03/05 06:58:10 gus

* *** empty log message ***

*

* Revision 1.12 2008/02/26 23:52:44 steve

* Remove ident for MS compilers.

*

* Revision 1.11 2007/11/26 01:47:15 steve

* Add copyright notices per MS request.

*

* Revision 1.10 2007/11/21 00:34:30 steve

* Rework spatial mode tile macroblock shuffling.

*

* Revision 1.9 2007/11/20 00:05:47 steve

* Complex handling of mbhp_pred_mode in frequency dmoe.

*

* Revision 1.8 2007/11/16 21:33:48 steve

* Store MB Quant, not qp_index.

*

* Revision 1.7 2007/11/16 20:03:57 steve

* Store MB Quant, not qp_index.

*

* Revision 1.6 2007/11/16 17:33:24 steve

* Do HP prediction after FLEXBITS frequency tiles.

*

* Revision 1.5 2007/11/16 00:29:06 steve

* Support FREQUENCY mode HP and FLEXBITS

*

* Revision 1.4 2007/11/15 17:44:13 steve

* Frequency mode color support.

*

* Revision 1.3 2007/11/14 23:56:17 steve

* Fix TILE ordering, using seeks, for FREQUENCY mode.

*

* Revision 1.2 2007/11/13 03:27:23 steve

* Add Frequency mode LP support.

*

* Revision 1.1 2007/11/12 23:21:55 steve

* Infrastructure for frequency mode ordering.

*

*/