Lines Matching refs:desc

38 static int lum_h_scale(SwsContext *c, SwsFilterDescriptor *desc, int sliceY, int sliceH)
40     FilterContext *instance = desc->instance;
41     int srcW = desc->src->width;
42     int dstW = desc->dst->width;
47         uint8_t ** src = desc->src->plane[0].line;
48         uint8_t ** dst = desc->dst->plane[0].line;
49         int src_pos = sliceY+i - desc->src->plane[0].sliceY;
50         int dst_pos = sliceY+i - desc->dst->plane[0].sliceY;
63         desc->dst->plane[0].sliceH += 1;
65         if (desc->alpha) {
66             src = desc->src->plane[3].line;
67             dst = desc->dst->plane[3].line;
69             src_pos = sliceY+i - desc->src->plane[3].sliceY;
70             dst_pos = sliceY+i - desc->dst->plane[3].sliceY;
72             desc->dst->plane[3].sliceH += 1;
86 static int lum_convert(SwsContext *c, SwsFilterDescriptor *desc, int sliceY, int sliceH)
88     int srcW = desc->src->width;
89     ColorContext * instance = desc->instance;
93     desc->dst->plane[0].sliceY = sliceY;
94     desc->dst->plane[0].sliceH = sliceH;
95     desc->dst->plane[3].sliceY = sliceY;
96     desc->dst->plane[3].sliceH = sliceH;
99         int sp0 = sliceY+i - desc->src->plane[0].sliceY;
100         int sp1 = ((sliceY+i) >> desc->src->v_chr_sub_sample) - desc->src->plane[1].sliceY;
101         const uint8_t * src[4] = { desc->src->plane[0].line[sp0],
102                         desc->src->plane[1].line[sp1],
103                         desc->src->plane[2].line[sp1],
104                         desc->src->plane[3].line[sp0]};
105         uint8_t * dst = desc->dst->plane[0].line[i];
114         if (desc->alpha) {
115             dst = desc->dst->plane[3].line[i];
127 int ff_init_desc_fmt_convert(SwsFilterDescriptor *desc, SwsSlice * src, SwsSlice *dst, uint32_t *pal)
133     desc->instance = li;
135     desc->alpha = isALPHA(src->fmt) && isALPHA(dst->fmt);
136     desc->src =src;
137     desc->dst = dst;
138     desc->process = &lum_convert;
144 int ff_init_desc_hscale(SwsFilterDescriptor *desc, SwsSlice *src, SwsSlice *dst, uint16_t *filter, int * filter_pos, int filter_size, int xInc)
155     desc->instance = li;
157     desc->alpha = isALPHA(src->fmt) && isALPHA(dst->fmt);
158     desc->src = src;
159     desc->dst = dst;
161     desc->process = &lum_h_scale;
166 static int chr_h_scale(SwsContext *c, SwsFilterDescriptor *desc, int sliceY, int sliceH)
168     FilterContext *instance = desc->instance;
169     int srcW = AV_CEIL_RSHIFT(desc->src->width, desc->src->h_chr_sub_sample);
170     int dstW = AV_CEIL_RSHIFT(desc->dst->width, desc->dst->h_chr_sub_sample);
173     uint8_t ** src1 = desc->src->plane[1].line;
174     uint8_t ** dst1 = desc->dst->plane[1].line;
175     uint8_t ** src2 = desc->src->plane[2].line;
176     uint8_t ** dst2 = desc->dst->plane[2].line;
178     int src_pos1 = sliceY - desc->src->plane[1].sliceY;
179     int dst_pos1 = sliceY - desc->dst->plane[1].sliceY;
181     int src_pos2 = sliceY - desc->src->plane[2].sliceY;
182     int dst_pos2 = sliceY - desc->dst->plane[2].sliceY;
196         desc->dst->plane[1].sliceH += 1;
197         desc->dst->plane[2].sliceH += 1;
202 static int chr_convert(SwsContext *c, SwsFilterDescriptor *desc, int sliceY, int sliceH)
204     int srcW = AV_CEIL_RSHIFT(desc->src->width, desc->src->h_chr_sub_sample);
205     ColorContext * instance = desc->instance;
208     int sp0 = (sliceY - (desc->src->plane[0].sliceY >> desc->src->v_chr_sub_sample)) << desc->src->v_chr_sub_sample;
209     int sp1 = sliceY - desc->src->plane[1].sliceY;
213     desc->dst->plane[1].sliceY = sliceY;
214     desc->dst->plane[1].sliceH = sliceH;
215     desc->dst->plane[2].sliceY = sliceY;
216     desc->dst->plane[2].sliceH = sliceH;
219         const uint8_t * src[4] = { desc->src->plane[0].line[sp0+i],
220                         desc->src->plane[1].line[sp1+i],
221                         desc->src->plane[2].line[sp1+i],
222                         desc->src->plane[3].line[sp0+i]};
224         uint8_t * dst1 = desc->dst->plane[1].line[i];
225         uint8_t * dst2 = desc->dst->plane[2].line[i];
235 int ff_init_desc_cfmt_convert(SwsFilterDescriptor *desc, SwsSlice * src, SwsSlice *dst, uint32_t *pal)
241     desc->instance = li;
243     desc->src =src;
244     desc->dst = dst;
245     desc->process = &chr_convert;
250 int ff_init_desc_chscale(SwsFilterDescriptor *desc, SwsSlice *src, SwsSlice *dst, uint16_t *filter, int * filter_pos, int filter_size, int xInc)
261     desc->instance = li;
263     desc->alpha = isALPHA(src->fmt) && isALPHA(dst->fmt);
264     desc->src = src;
265     desc->dst = dst;
267     desc->process = &chr_h_scale;
272 static int no_chr_scale(SwsContext *c, SwsFilterDescriptor *desc, int sliceY, int sliceH)
274     desc->dst->plane[1].sliceY = sliceY + sliceH - desc->dst->plane[1].available_lines;
275     desc->dst->plane[1].sliceH = desc->dst->plane[1].available_lines;
276     desc->dst->plane[2].sliceY = sliceY + sliceH - desc->dst->plane[2].available_lines;
277     desc->dst->plane[2].sliceH = desc->dst->plane[2].available_lines;
281 int ff_init_desc_no_chr(SwsFilterDescriptor *desc, SwsSlice * src, SwsSlice *dst)
283     desc->src = src;
284     desc->dst = dst;
285     desc->alpha = 0;
286     desc->instance = NULL;
287     desc->process = &no_chr_scale;