3 uint8_t **output_rows, int out_colormodel, int out_x, int out_y, int out_w, int out_h,
4 uint8_t *out_yp, uint8_t *out_up, uint8_t *out_vp, uint8_t *out_ap, int out_rowspan,
5 uint8_t **input_rows, int in_colormodel, int in_x, int in_y, int in_w, int in_h,
6 uint8_t *in_yp, uint8_t *in_up, uint8_t *in_vp, uint8_t *in_ap, int in_rowspan,
9 this->bg_color = bg_color;
11 this->bg_r = (bg_color>>16) & 0xff;
12 this->bg_g = (bg_color>>8) & 0xff;
13 this->bg_b = (bg_color>>0) & 0xff;
15 else { // bg_color < 0, no src blending
16 switch( in_colormodel ) {
17 case BC_RGBA8888: in_colormodel = BC_RGBX8888; break;
18 case BC_RGBA16161616: in_colormodel = BC_RGBX16161616; break;
19 case BC_YUVA8888: in_colormodel = BC_YUVX8888; break;
20 case BC_YUVA16161616: in_colormodel = BC_YUVX16161616; break;
21 case BC_RGBA_FLOAT: in_colormodel = BC_RGBX_FLOAT; break;
24 // prevent bounds errors on poorly dimensioned macro pixel formats
25 switch( in_colormodel ) {
27 case BC_YUV422: in_w &= ~1; break; // 2x1
29 case BC_YUV420PI: in_w &= ~1; in_h &= ~1; break; // 2x2
30 case BC_YUV422P: in_w &= ~1; break; // 2x1
31 case BC_YUV410P: in_w &= ~3; in_h &= ~3; break; // 4x4
32 case BC_YUV411P: in_w &= ~3; break; // 4x1
34 switch( out_colormodel ) {
36 case BC_YUV422: out_w &= ~1; break;
38 case BC_YUV420PI: out_w &= ~1; out_h &= ~1; break;
39 case BC_YUV422P: out_w &= ~1; break;
40 case BC_YUV410P: out_w &= ~3; out_h &= ~3; break;
41 case BC_YUV411P: out_w &= ~3; break;
43 this->output_rows = output_rows;
44 this->input_rows = input_rows;
45 this->out_yp = out_yp;
46 this->out_up = out_up;
47 this->out_vp = out_vp;
48 this->out_ap = out_ap;
61 this->in_colormodel = in_colormodel;
62 switch( in_colormodel ) {
64 in_rowspan = in_w * sizeof(uint8_t);
68 if( !BC_CModels::has_alpha(out_colormodel) )
69 this->in_colormodel = BC_RGB_FLOATP;
70 in_rowspan = in_w * sizeof(float);
73 this->total_in_w = in_rowspan;
74 this->out_colormodel = out_colormodel;
75 switch( out_colormodel ) {
77 out_rowspan = out_w * sizeof(uint8_t);
81 out_rowspan = out_w * sizeof(float);
84 this->total_out_w = out_rowspan;
85 this->in_pixelsize = BC_CModels::calculate_pixelsize(in_colormodel);
86 this->out_pixelsize = BC_CModels::calculate_pixelsize(out_colormodel);
87 this->scale = (out_w != in_w) || (in_x != 0);
89 /* + 1 so we don't overflow when calculating in advance */
90 column_table = new int[out_w+1];
91 double hscale = (double)in_w/out_w;
92 for( int i=0; i<out_w; ++i ) {
93 column_table[i] = ((int)(hscale * i) + in_x) * in_pixelsize;
94 if( in_colormodel == BC_YUV422 || in_colormodel == BC_UVY422 )
95 column_table[i] &= ~3;
97 double vscale = (double)in_h/out_h;
98 row_table = new int[out_h];
99 for( int i=0; i<out_h; ++i )
100 row_table[i] = (int)(vscale * i) + in_y;
103 BC_Xfer::BC_Xfer(uint8_t **output_rows, uint8_t **input_rows,
104 uint8_t *out_yp, uint8_t *out_up, uint8_t *out_vp,
105 uint8_t *in_yp, uint8_t *in_up, uint8_t *in_vp,
106 int in_x, int in_y, int in_w, int in_h, int out_x, int out_y, int out_w, int out_h,
107 int in_colormodel, int out_colormodel, int bg_color, int in_rowspan, int out_rowspan)
109 init(output_rows, out_colormodel, out_x, out_y, out_w, out_h,
110 out_yp, out_up, out_vp, 0, out_rowspan,
111 input_rows, in_colormodel, in_x, in_y, in_w, in_h,
112 in_yp, in_up, in_vp, 0, in_rowspan, bg_color);
116 uint8_t **output_ptrs, int out_colormodel,
117 int out_x, int out_y, int out_w, int out_h, int out_rowspan,
118 uint8_t **input_ptrs, int in_colormodel,
119 int in_x, int in_y, int in_w, int in_h, int in_rowspan,
122 uint8_t *out_yp = 0, *out_up = 0, *out_vp = 0, *out_ap = 0;
123 uint8_t *in_yp = 0, *in_up = 0, *in_vp = 0, *in_ap = 0;
124 if( BC_CModels::is_planar(in_colormodel) ) {
125 in_yp = input_ptrs[0]; in_up = input_ptrs[1]; in_vp = input_ptrs[2];
126 if( BC_CModels::has_alpha(in_colormodel) ) in_ap = input_ptrs[3];
128 if( BC_CModels::is_planar(out_colormodel) ) {
129 out_yp = output_ptrs[0]; out_up = output_ptrs[1]; out_vp = output_ptrs[2];
130 if( BC_CModels::has_alpha(out_colormodel) ) out_ap = output_ptrs[3];
132 init(output_ptrs, out_colormodel, out_x, out_y, out_w, out_h,
133 out_yp, out_up, out_vp, out_ap, out_rowspan,
134 input_ptrs, in_colormodel, in_x, in_y, in_w, in_h,
135 in_yp, in_up, in_vp, in_ap, in_rowspan, bg_color);
140 delete [] column_table;
144 void BC_CModels::transfer(unsigned char **output_rows, unsigned char **input_rows,
145 unsigned char *out_yp, unsigned char *out_up, unsigned char *out_vp,
146 unsigned char *in_yp, unsigned char *in_up, unsigned char *in_vp,
147 int in_x, int in_y, int in_w, int in_h, int out_x, int out_y, int out_w, int out_h,
148 int in_colormodel, int out_colormodel, int bg_color, int in_rowspan, int out_rowspan)
150 BC_Xfer xfer(output_rows, input_rows,
151 out_yp, out_up, out_vp, in_yp, in_up, in_vp,
152 in_x, in_y, in_w, in_h, out_x, out_y, out_w, out_h,
153 in_colormodel, out_colormodel, bg_color, in_rowspan, out_rowspan);
157 void BC_CModels::transfer(
158 uint8_t **output_ptrs, int out_colormodel,
159 int out_x, int out_y, int out_w, int out_h, int out_rowspan,
160 uint8_t **input_ptrs, int in_colormodel,
161 int in_x, int in_y, int in_w, int in_h, int in_rowspan, int bg_color)
164 output_ptrs, out_colormodel, out_x, out_y, out_w, out_h, out_rowspan,
165 input_ptrs, in_colormodel, in_x, in_y, in_w, in_h, in_rowspan, bg_color);
169 // specialized functions
171 // in bccmdl.py: specialize("bc_rgba8888", "bc_transparency", "XFER_rgba8888_to_transparency")
172 void BC_Xfer::XFER_rgba8888_to_transparency(unsigned y0, unsigned y1)
174 for( unsigned i=y0; i<y1; ++i ) {
175 uint8_t *outp = output_rows[i + out_y] + out_x * out_pixelsize;
176 uint8_t *inp_row = input_rows[row_table[i]];
177 int bit_no = 0, bit_vec = 0;
178 for( unsigned j=0; j<out_w; ) {
179 uint8_t *inp = inp_row + column_table[j];
180 if( inp[3] < 127 ) bit_vec |= 0x01 << bit_no;
182 if( !bit_no ) { *outp++ = bit_vec; bit_vec = 0; }
184 if( bit_no ) *outp = bit_vec;
188 BC_Xfer::SlicerList BC_Xfer::slicers;
190 BC_Xfer::SlicerList::SlicerList()
195 BC_Xfer::SlicerList::~SlicerList()
200 void BC_Xfer::SlicerList::reset()
202 lock("BC_Xfer::SlicerList::reset");
203 while( last ) remove(last);
208 BC_Xfer::Slicer *BC_Xfer::SlicerList::get_slicer(BC_Xfer *xp)
210 Slicer *slicer = first;
212 if( count < BC_Resources::machine_cpus ) {
213 slicer = new Slicer(xp);
218 remove_pointer(slicer);
222 void BC_Xfer::xfer_slices(int slices)
225 int max_slices = BC_Resources::machine_cpus/2;
226 if( slices > max_slices ) slices = max_slices;
227 if( slices < 1 ) slices = 1;
228 Slicer *active[slices];
229 unsigned y0 = 0, y1 = out_h;
230 int slices1 = slices-1;
232 slicers.lock("BC_Xfer::xfer_slices");
233 for( int i=0; i<slices1; y0=y1 ) {
234 Slicer *slicer = slicers.get_slicer(this);
235 if( !slicer ) { slices1 = i; break; }
237 y1 = out_h * ++i / slices;
238 slicer->slice(this, y0, y1);
242 (this->*xfn)(y0, out_h);
244 for( int i=0; i<slices1; ++i )
245 active[i]->complete->lock("BC_Xfer::xfer_slices");
246 slicers.lock("BC_Xfer::xfer_slices");
247 for( int i=0; i<slices1; ++i )
248 slicers.append(active[i]);
253 BC_Xfer::Slicer::Slicer(BC_Xfer *xp)
256 init = new Condition(0, "BC_Xfer::Slicer::init", 0);
257 complete = new Condition(0, "BC_Xfer::Slicer::complete", 0);
261 BC_Xfer::Slicer::~Slicer()
270 void BC_Xfer::Slicer::slice(BC_Xfer *xp, unsigned y0, unsigned y1)
278 void BC_Xfer::Slicer::run()
281 init->lock("Slicer::run");
283 xfer_fn xfn = xp->xfn;
289 void BC_CModels::bcxfer_stop_slicers()
291 BC_Xfer::slicers.reset();