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

 * h26x_nal_common.h: h26x shared code

 *****************************************************************************

 * Copyright © 2010-2024 VideoLabs, VideoLAN and VLC Authors

 *

 * This program is free software; you can redistribute it and/or modify it

 * under the terms of the GNU Lesser General Public License as published by

 * the Free Software Foundation; either version 2.1 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

 * GNU Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public License

 * along with this program; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.

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

#ifndef H26X_NAL_COMMON_H

# define H26X_NAL_COMMON_H

#include <vlc_common.h>

#include "iso_color_tables.h"

typedef uint8_t  nal_u1_t;

typedef uint8_t  nal_u2_t;

typedef uint8_t  nal_u3_t;

typedef uint8_t  nal_u4_t;

typedef uint8_t  nal_u5_t;

typedef uint8_t  nal_u6_t;

typedef uint8_t  nal_u7_t;

typedef uint8_t  nal_u8_t;

typedef int32_t  nal_se_t;

typedef uint32_t nal_ue_t;

typedef struct

{

    nal_ue_t left_offset;

    nal_ue_t right_offset;

    nal_ue_t top_offset;

    nal_ue_t bottom_offset;

} h26x_conf_window_t;

static inline

bool h26x_get_picture_size( nal_u2_t chroma_format_idc,

                            nal_ue_t pic_width_in_luma_samples,

                            nal_ue_t pic_height_in_luma_samples,

                            const h26x_conf_window_t *conf_win,

                            unsigned *p_ox, unsigned *p_oy,

                            unsigned *p_w, unsigned *p_h,

                            unsigned *p_vw, unsigned *p_vh )

{

    unsigned ox, oy, w, h, vw, vh;

    w = vw = pic_width_in_luma_samples;

    h = vh = pic_height_in_luma_samples;

    static const uint8_t SubWidthHeight[4][2] = { {1, 1}, {2, 2}, {2, 1}, {1, 1} };

    ox = conf_win->left_offset * SubWidthHeight[chroma_format_idc][0];

    oy = conf_win->top_offset * SubWidthHeight[chroma_format_idc][1];

    vw -= (conf_win->left_offset +  conf_win->right_offset) *

          SubWidthHeight[chroma_format_idc][0];

    vh -= (conf_win->bottom_offset + conf_win->top_offset) *

          SubWidthHeight[chroma_format_idc][1];

    if ( vw > w || vh > h )

        return false;

    *p_ox = ox; *p_oy = oy;

    *p_w = w; *p_h = h;

    *p_vw = vw; *p_vh = vh;

    return true;

}

Unexecuted instantiation: hevc_nal.c:h26x_get_picture_size

Unexecuted instantiation: mpeg4video.c:h26x_get_picture_size

Unexecuted instantiation: mpegvideo.c:h26x_get_picture_size

typedef struct

{

    nal_u8_t aspect_ratio_idc;

    uint16_t sar_width;

    uint16_t sar_height;

} h26x_aspect_ratio_t;

static inline

bool h26x_get_aspect_ratio( const h26x_aspect_ratio_t *ar,

                            unsigned *num, unsigned *den )

{

    if( ar->aspect_ratio_idc != 255 )

    {

        static const uint8_t ar_table[16][2] =

            {

             {    1,      1 },

             {   12,     11 },

             {   10,     11 },

             {   16,     11 },

             {   40,     33 },

             {   24,     11 },

             {   20,     11 },

             {   32,     11 },

             {   80,     33 },

             {   18,     11 },

             {   15,     11 },

             {   64,     33 },

             {  160,     99 },

             {    4,      3 },

             {    3,      2 },

             {    2,      1 },

             };

        if( ar->aspect_ratio_idc == 0 ||

            ar->aspect_ratio_idc >= 17 )

            return false;

        *num = ar_table[ar->aspect_ratio_idc - 1][0];

        *den = ar_table[ar->aspect_ratio_idc - 1][1];

    }

    else

    {

        *num = ar->sar_width;

        *den = ar->sar_height;

    }

    return true;

}

Unexecuted instantiation: hevc_nal.c:h26x_get_aspect_ratio

Unexecuted instantiation: mpeg4video.c:h26x_get_aspect_ratio

Unexecuted instantiation: mpegvideo.c:h26x_get_aspect_ratio

typedef struct

{

    nal_u8_t colour_primaries;

    nal_u8_t transfer_characteristics;

    nal_u8_t matrix_coeffs;

    nal_u1_t full_range_flag;

} h26x_colour_description_t;

static inline

bool h26x_get_colorimetry( const h26x_colour_description_t *colour,

                           video_color_primaries_t *p_primaries,

                           video_transfer_func_t *p_transfer,

                           video_color_space_t *p_colorspace,

                           video_color_range_t *p_full_range )

{

    *p_primaries =

        iso_23001_8_cp_to_vlc_primaries( colour->colour_primaries );

    *p_transfer =

        iso_23001_8_tc_to_vlc_xfer( colour->transfer_characteristics );

    *p_colorspace =

        iso_23001_8_mc_to_vlc_coeffs( colour->matrix_coeffs );

    *p_full_range = colour->full_range_flag ? COLOR_RANGE_FULL : COLOR_RANGE_LIMITED;

    return true;

}

Unexecuted instantiation: hevc_nal.c:h26x_get_colorimetry

Unexecuted instantiation: mpeg4video.c:h26x_get_colorimetry

Unexecuted instantiation: mpegvideo.c:h26x_get_colorimetry

#endif