Lines Matching refs:mpi
36 void ff_mp_image_alloc_planes(mp_image_t *mpi) {
38 if (avpriv_set_systematic_pal2(temp, ff_mp2ff_pix_fmt(mpi->imgfmt)) >= 0)
39 mpi->flags |= MP_IMGFLAG_RGB_PALETTE;
42 if (mpi->imgfmt == IMGFMT_IF09) {
43 mpi->planes[0]=av_malloc(mpi->bpp*mpi->width*(mpi->height+2)/8+
44 mpi->chroma_width*mpi->chroma_height);
46 mpi->planes[0]=av_malloc(mpi->bpp*mpi->width*(mpi->height+2)/8);
47 if (mpi->flags&MP_IMGFLAG_PLANAR) {
48 int bpp = IMGFMT_IS_YUVP16(mpi->imgfmt)? 2 : 1;
50 mpi->stride[0]=mpi->stride[3]=bpp*mpi->width;
51 if(mpi->num_planes > 2){
52 mpi->stride[1]=mpi->stride[2]=bpp*mpi->chroma_width;
53 if(mpi->flags&MP_IMGFLAG_SWAPPED){
55 mpi->planes[1]=mpi->planes[0]+mpi->stride[0]*mpi->height;
56 mpi->planes[2]=mpi->planes[1]+mpi->stride[1]*mpi->chroma_height;
57 if (mpi->num_planes > 3)
58 mpi->planes[3]=mpi->planes[2]+mpi->stride[2]*mpi->chroma_height;
61 mpi->planes[2]=mpi->planes[0]+mpi->stride[0]*mpi->height;
62 mpi->planes[1]=mpi->planes[2]+mpi->stride[1]*mpi->chroma_height;
63 if (mpi->num_planes > 3)
64 mpi->planes[3]=mpi->planes[1]+mpi->stride[1]*mpi->chroma_height;
68 mpi->stride[1]=mpi->chroma_width;
69 mpi->planes[1]=mpi->planes[0]+mpi->stride[0]*mpi->height;
72 mpi->stride[0]=mpi->width*mpi->bpp/8;
73 if (mpi->flags & MP_IMGFLAG_RGB_PALETTE) {
74 mpi->planes[1] = av_malloc(1024);
75 memcpy(mpi->planes[1], temp, 1024);
78 mpi->flags|=MP_IMGFLAG_ALLOCATED;
82 mp_image_t* mpi = ff_new_mp_image(w,h);
84 ff_mp_image_setfmt(mpi,fmt);
85 ff_mp_image_alloc_planes(mpi);
87 return mpi;
90 void ff_copy_mpi(mp_image_t *dmpi, mp_image_t *mpi) {
91 if(mpi->flags&MP_IMGFLAG_PLANAR){
92 memcpy_pic(dmpi->planes[0],mpi->planes[0], mpi->w, mpi->h,
93 dmpi->stride[0],mpi->stride[0]);
94 memcpy_pic(dmpi->planes[1],mpi->planes[1], mpi->chroma_width, mpi->chroma_height,
95 dmpi->stride[1],mpi->stride[1]);
96 memcpy_pic(dmpi->planes[2], mpi->planes[2], mpi->chroma_width, mpi->chroma_height,
97 dmpi->stride[2],mpi->stride[2]);
99 memcpy_pic(dmpi->planes[0],mpi->planes[0],
100 mpi->w*(dmpi->bpp/8), mpi->h,
101 dmpi->stride[0],mpi->stride[0]);
105 void ff_mp_image_setfmt(mp_image_t* mpi,unsigned int out_fmt){
106 mpi->flags&=~(MP_IMGFLAG_PLANAR|MP_IMGFLAG_YUV|MP_IMGFLAG_SWAPPED);
107 mpi->imgfmt=out_fmt;
112 mpi->bpp=0;
115 mpi->num_planes=1;
118 mpi->bpp = IMGFMT_RGB_DEPTH(out_fmt);
120 mpi->bpp=(IMGFMT_RGB_DEPTH(out_fmt)+7)&(~7);
125 mpi->bpp = IMGFMT_BGR_DEPTH(out_fmt);
127 mpi->bpp=(IMGFMT_BGR_DEPTH(out_fmt)+7)&(~7);
128 mpi->flags|=MP_IMGFLAG_SWAPPED;
132 mpi->bpp=3*((IMGFMT_XYZ_DEPTH(out_fmt) + 7) & ~7);
135 mpi->num_planes=3;
137 mpi->bpp=24;
138 mpi->flags|=MP_IMGFLAG_PLANAR;
141 mpi->bpp=36;
142 mpi->flags|=MP_IMGFLAG_PLANAR;
145 mpi->bpp=42;
146 mpi->flags|=MP_IMGFLAG_PLANAR;
149 mpi->flags|=MP_IMGFLAG_YUV;
151 mpi->flags|=MP_IMGFLAG_PLANAR;
152 mpi->bpp = ff_mp_get_chroma_shift(out_fmt, &mpi->chroma_x_shift, &mpi->chroma_y_shift, NULL);
153 mpi->chroma_width = mpi->width >> mpi->chroma_x_shift;
154 mpi->chroma_height = mpi->height >> mpi->chroma_y_shift;
159 mpi->flags|=MP_IMGFLAG_SWAPPED;
166 mpi->num_planes=4;
205 mpi->bpp=16;
209 mpi->flags&=~MP_IMGFLAG_PLANAR;
210 mpi->num_planes=1;
213 mpi->num_planes=2;
216 mpi->flags|=MP_IMGFLAG_SWAPPED;
218 mpi->chroma_x_shift = 1;
219 mpi->bpp=16;
220 mpi->num_planes=1;
223 mpi->flags|=MP_IMGFLAG_SWAPPED;
225 mpi->flags|=MP_IMGFLAG_PLANAR;
226 mpi->bpp=12;
227 mpi->num_planes=2;
228 mpi->chroma_width=(mpi->width>>0);
229 mpi->chroma_height=(mpi->height>>1);
230 mpi->chroma_x_shift=0;
231 mpi->chroma_y_shift=1;
235 mpi->bpp=0;
239 mp_image_t* mpi = malloc(sizeof(mp_image_t));
240 if(!mpi) return NULL; // error!
241 memset(mpi,0,sizeof(mp_image_t));
242 mpi->width=mpi->w=w;
243 mpi->height=mpi->h=h;
244 return mpi;
247 void ff_free_mp_image(mp_image_t* mpi){
248 if(!mpi) return;
249 if(mpi->flags&MP_IMGFLAG_ALLOCATED){
251 av_free(mpi->planes[0]);
252 if (mpi->flags & MP_IMGFLAG_RGB_PALETTE)
253 av_free(mpi->planes[1]);
255 free(mpi);