+++ /dev/null
-
-// Compression coefficients straight out of jpeglib
-#define R_TO_Y 0.29900
-#define G_TO_Y 0.58700
-#define B_TO_Y 0.11400
-
-#define R_TO_U -0.16874
-#define G_TO_U -0.33126
-#define B_TO_U 0.50000
-
-#define R_TO_V 0.50000
-#define G_TO_V -0.41869
-#define B_TO_V -0.08131
-
-// Decompression coefficients straight out of jpeglib
-#define V_TO_R 1.40200
-#define V_TO_G -0.71414
-
-#define U_TO_G -0.34414
-#define U_TO_B 1.77200
-
-int BC_Xfer::rtoy_tab[0x100], BC_Xfer::gtoy_tab[0x100], BC_Xfer::btoy_tab[0x100];
-int BC_Xfer::rtou_tab[0x100], BC_Xfer::gtou_tab[0x100], BC_Xfer::btou_tab[0x100];
-int BC_Xfer::rtov_tab[0x100], BC_Xfer::gtov_tab[0x100], BC_Xfer::btov_tab[0x100];
-int BC_Xfer::vtor_tab[0x100], BC_Xfer::vtog_tab[0x100];
-int BC_Xfer::utog_tab[0x100], BC_Xfer::utob_tab[0x100];
-float BC_Xfer::vtor_float_tab[0x100], BC_Xfer::vtog_float_tab[0x100];
-float BC_Xfer::utog_float_tab[0x100], BC_Xfer::utob_float_tab[0x100];
-int BC_Xfer::rtoy_tab16[0x10000], BC_Xfer::gtoy_tab16[0x10000], BC_Xfer::btoy_tab16[0x10000];
-int BC_Xfer::rtou_tab16[0x10000], BC_Xfer::gtou_tab16[0x10000], BC_Xfer::btou_tab16[0x10000];
-int BC_Xfer::rtov_tab16[0x10000], BC_Xfer::gtov_tab16[0x10000], BC_Xfer::btov_tab16[0x10000];
-int BC_Xfer::vtor_tab16[0x10000], BC_Xfer::vtog_tab16[0x10000];
-int BC_Xfer::utog_tab16[0x10000], BC_Xfer::utob_tab16[0x10000];
-float BC_Xfer::v16tor_float_tab[0x10000], BC_Xfer::v16tog_float_tab[0x10000];
-float BC_Xfer::u16tog_float_tab[0x10000], BC_Xfer::u16tob_float_tab[0x10000];
-
-BC_Xfer::Tables BC_Xfer::tables;
-
-void BC_Xfer::init()
-{
- for( int i=0; i<0x100; ++i ) {
- rtoy_tab[i] = (int)(R_TO_Y * 0x10000 * i);
- rtou_tab[i] = (int)(R_TO_U * 0x10000 * i);
- rtov_tab[i] = (int)(R_TO_V * 0x10000 * i);
-
- gtoy_tab[i] = (int)(G_TO_Y * 0x10000 * i);
- gtou_tab[i] = (int)(G_TO_U * 0x10000 * i);
- gtov_tab[i] = (int)(G_TO_V * 0x10000 * i);
-
- btoy_tab[i] = (int)(B_TO_Y * 0x10000 * i);
- btou_tab[i] = (int)(B_TO_U * 0x10000 * i) + 0x800000;
- btov_tab[i] = (int)(B_TO_V * 0x10000 * i) + 0x800000;
- }
-
- for( int i=0; i<0x10000; ++i ) {
- rtoy_tab16[i] = (int)(R_TO_Y * 0x100 * i);
- rtou_tab16[i] = (int)(R_TO_U * 0x100 * i);
- rtov_tab16[i] = (int)(R_TO_V * 0x100 * i);
-
- gtoy_tab16[i] = (int)(G_TO_Y * 0x100 * i);
- gtou_tab16[i] = (int)(G_TO_U * 0x100 * i);
- gtov_tab16[i] = (int)(G_TO_V * 0x100 * i);
-
- btoy_tab16[i] = (int)(B_TO_Y * 0x100 * i);
- btou_tab16[i] = (int)(B_TO_U * 0x100 * i) + 0x800000;
- btov_tab16[i] = (int)(B_TO_V * 0x100 * i) + 0x800000;
- }
-
- for( int i=-0x80; i<0x80; ++i ) {
- vtor_tab[i+0x80] = (int)(V_TO_R * 0x10000 * i);
- vtog_tab[i+0x80] = (int)(V_TO_G * 0x10000 * i);
- utog_tab[i+0x80] = (int)(U_TO_G * 0x10000 * i);
- utob_tab[i+0x80] = (int)(U_TO_B * 0x10000 * i);
- }
-
- for( int i=-0x80; i<0x80; ++i ) {
- vtor_float_tab[i+0x80] = V_TO_R * i / 0xff;
- vtog_float_tab[i+0x80] = V_TO_G * i / 0xff;
- utog_float_tab[i+0x80] = U_TO_G * i / 0xff;
- utob_float_tab[i+0x80] = U_TO_B * i / 0xff;
- }
-
- for( int i=-0x8000; i<0x8000; ++i ) {
- vtor_tab16[i+0x8000] = (int)(V_TO_R * 0x100 * i);
- vtog_tab16[i+0x8000] = (int)(V_TO_G * 0x100 * i);
- utog_tab16[i+0x8000] = (int)(U_TO_G * 0x100 * i);
- utob_tab16[i+0x8000] = (int)(U_TO_B * 0x100 * i);
- }
-
- for( int i=-0x8000; i<0x8000; ++i ) {
- v16tor_float_tab[i+0x8000] = V_TO_R * i / 0xffff;
- v16tog_float_tab[i+0x8000] = V_TO_G * i / 0xffff;
- u16tog_float_tab[i+0x8000] = U_TO_G * i / 0xffff;
- u16tob_float_tab[i+0x8000] = U_TO_B * i / 0xffff;
- }
-}
-
-void BC_Xfer::init(
- uint8_t **output_rows, int out_colormodel, int out_x, int out_y, int out_w, int out_h,
- uint8_t *out_yp, uint8_t *out_up, uint8_t *out_vp, uint8_t *out_ap, int out_rowspan,
- uint8_t **input_rows, int in_colormodel, int in_x, int in_y, int in_w, int in_h,
- uint8_t *in_yp, uint8_t *in_up, uint8_t *in_vp, uint8_t *in_ap, int in_rowspan,
- int bg_color)
-{
- // prevent bounds errors on poorly dimensioned macro pixel formats
- switch( in_colormodel ) {
- case BC_UVY422:
- case BC_YUV422: in_w &= ~1; break; // 2x1
- case BC_YUV420P: in_w &= ~1; in_h &= ~1; break; // 2x2
- case BC_YUV422P: in_w &= ~1; break; // 2x1
- case BC_YUV410P: in_w &= ~3; in_h &= ~3; break; // 4x4
- case BC_YUV411P: in_w &= ~3; break; // 4x1
- }
- switch( out_colormodel ) {
- case BC_UVY422:
- case BC_YUV422: out_w &= ~1; break;
- case BC_YUV420P: out_w &= ~1; out_h &= ~1; break;
- case BC_YUV422P: out_w &= ~1; break;
- case BC_YUV410P: out_w &= ~3; out_h &= ~3; break;
- case BC_YUV411P: out_w &= ~3; break;
- }
- this->output_rows = output_rows;
- this->input_rows = input_rows;
- this->out_yp = out_yp;
- this->out_up = out_up;
- this->out_vp = out_vp;
- this->out_ap = out_ap;
- this->in_yp = in_yp;
- this->in_up = in_up;
- this->in_vp = in_vp;
- this->in_ap = in_ap;
- this->in_x = in_x;
- this->in_y = in_y;
- this->in_w = in_w;
- this->in_h = in_h;
- this->out_x = out_x;
- this->out_y = out_y;
- this->out_w = out_w;
- this->out_h = out_h;
- this->in_colormodel = in_colormodel;
- switch( in_colormodel ) {
- case BC_RGB_FLOATP:
- case BC_RGBA_FLOATP:
- in_rowspan = in_w * sizeof(float);
- break;
- }
- this->total_in_w = in_rowspan;
- this->out_colormodel = out_colormodel;
- switch( out_colormodel ) {
- case BC_RGB_FLOATP:
- case BC_RGBA_FLOATP:
- out_rowspan = out_w * sizeof(float);
- break;
- }
- this->total_out_w = out_rowspan;
- this->bg_color = bg_color;
- this->bg_r = (bg_color>>16) & 0xff;
- this->bg_g = (bg_color>>8) & 0xff;
- this->bg_b = (bg_color>>0) & 0xff;
-
- this->in_pixelsize = BC_CModels::calculate_pixelsize(in_colormodel);
- this->out_pixelsize = BC_CModels::calculate_pixelsize(out_colormodel);
- this->scale = (out_w != in_w) || (in_x != 0);
-
-/* + 1 so we don't overflow when calculating in advance */
- column_table = new int[out_w+1];
- double hscale = (double)in_w/out_w;
- for( int i=0; i<out_w; ++i ) {
- column_table[i] = ((int)(hscale * i) + in_x) * in_pixelsize;
- if( in_colormodel == BC_YUV422 || in_colormodel == BC_UVY422 )
- column_table[i] &= ~3;
- }
- double vscale = (double)in_h/out_h;
- row_table = new int[out_h];
- for( int i=0; i<out_h; ++i )
- row_table[i] = (int)(vscale * i) + in_y;
-}
-
-BC_Xfer::BC_Xfer(uint8_t **output_rows, uint8_t **input_rows,
- uint8_t *out_yp, uint8_t *out_up, uint8_t *out_vp,
- uint8_t *in_yp, uint8_t *in_up, uint8_t *in_vp,
- int in_x, int in_y, int in_w, int in_h, int out_x, int out_y, int out_w, int out_h,
- int in_colormodel, int out_colormodel, int bg_color, int in_rowspan, int out_rowspan)
-{
- init(output_rows, out_colormodel, out_x, out_y, out_w, out_h,
- out_yp, out_up, out_vp, 0, out_rowspan,
- input_rows, in_colormodel, in_x, in_y, in_w, in_h,
- in_yp, in_up, in_vp, 0, in_rowspan, bg_color);
-}
-
-BC_Xfer::BC_Xfer(
- uint8_t **output_ptrs, int out_colormodel,
- int out_x, int out_y, int out_w, int out_h, int out_rowspan,
- uint8_t **input_ptrs, int in_colormodel,
- int in_x, int in_y, int in_w, int in_h, int in_rowspan,
- int bg_color)
-{
- uint8_t *out_yp = 0, *out_up = 0, *out_vp = 0, *out_ap = 0;
- uint8_t *in_yp = 0, *in_up = 0, *in_vp = 0, *in_ap = 0;
- if( BC_CModels::is_planar(in_colormodel) ) {
- in_yp = input_ptrs[0]; in_up = input_ptrs[1]; in_vp = input_ptrs[2];
- if( BC_CModels::has_alpha(in_colormodel) ) in_ap = input_ptrs[3];
- }
- if( BC_CModels::is_planar(out_colormodel) ) {
- out_yp = output_ptrs[0]; out_up = output_ptrs[1]; out_vp = output_ptrs[2];
- if( BC_CModels::has_alpha(out_colormodel) ) out_ap = output_ptrs[3];
- }
- init(output_ptrs, out_colormodel, out_x, out_y, out_w, out_h,
- out_yp, out_up, out_vp, out_ap, out_rowspan,
- input_ptrs, in_colormodel, in_x, in_y, in_w, in_h,
- in_yp, in_up, in_vp, in_ap, in_rowspan, bg_color);
-}
-
-BC_Xfer::~BC_Xfer()
-{
- delete [] column_table;
- delete [] row_table;
-}
-
-void BC_CModels::transfer(unsigned char **output_rows, unsigned char **input_rows,
- unsigned char *out_yp, unsigned char *out_up, unsigned char *out_vp,
- unsigned char *in_yp, unsigned char *in_up, unsigned char *in_vp,
- int in_x, int in_y, int in_w, int in_h, int out_x, int out_y, int out_w, int out_h,
- int in_colormodel, int out_colormodel, int bg_color, int in_rowspan, int out_rowspan)
-{
- BC_Xfer xfer(output_rows, input_rows,
- out_yp, out_up, out_vp, in_yp, in_up, in_vp,
- in_x, in_y, in_w, in_h, out_x, out_y, out_w, out_h,
- in_colormodel, out_colormodel, bg_color, in_rowspan, out_rowspan);
- xfer.xfer();
-}
-
-void BC_CModels::transfer(
- uint8_t **output_ptrs, int out_colormodel,
- int out_x, int out_y, int out_w, int out_h, int out_rowspan,
- uint8_t **input_ptrs, int in_colormodel,
- int in_x, int in_y, int in_w, int in_h, int in_rowspan, int bg_color)
-{
- BC_Xfer xfer(
- output_ptrs, out_colormodel, out_x, out_y, out_w, out_h, out_rowspan,
- input_ptrs, in_colormodel, in_x, in_y, in_w, in_h, in_rowspan, bg_color);
- xfer.xfer();
-}
-
-// specialized functions
-
-// in bccmdl.py: specialize("bc_rgba8888", "bc_transparency", "XFER_rgba8888_to_transparency")
-void BC_Xfer::XFER_rgba8888_to_transparency()
-{
- for( unsigned i=0; i<out_h; ++i ) {
- uint8_t *outp = output_rows[i + out_y] + out_x * out_pixelsize;
- uint8_t *inp_row = input_rows[row_table[i]];
- int bit_no = 0, bit_vec = 0;
- for( unsigned j=0; j<out_w; ) {
- uint8_t *inp = inp_row + column_table[j];
- if( inp[3] < 127 ) bit_vec |= 0x01 << bit_no;
- bit_no = ++j & 7;
- if( !bit_no ) { *outp++ = bit_vec; bit_vec = 0; }
- }
- if( bit_no ) *outp = bit_vec;
- }
-}
-
projects / goodguy / history.git / blobdiff