static inline void set_nv12_sizes(const struct obs_video_info *ovi)
{
struct obs_core_video *video = &obs->video;
uint32_t chroma_pixels;
uint32_t total_bytes;
chroma_pixels = (ovi->output_width * ovi->output_height / 2);
chroma_pixels = GET_ALIGN(chroma_pixels, PIXEL_SIZE);
video->plane_offsets[0] = 0;
video->plane_offsets[1] = ovi->output_width * ovi->output_height;
video->plane_linewidth[0] = ovi->output_width;
video->plane_linewidth[1] = ovi->output_width;
video->plane_sizes[0] = video->plane_offsets[1];
video->plane_sizes[1] = video->plane_sizes[0]/2;
total_bytes = video->plane_offsets[1] + chroma_pixels;
video->conversion_height =
(total_bytes/PIXEL_SIZE + ovi->output_width-1) /
ovi->output_width;
video->conversion_height = GET_ALIGN(video->conversion_height, 2);
video->conversion_tech = "NV12";
}
HL_PRIM int hl_pad_struct( int size, hl_type *t ) {
int align = sizeof(void*);
# define GET_ALIGN(type) { struct { unsigned char a; type b; } s = {0}; align = (int)((unsigned char *)&s.b - (unsigned char*)&s); }
switch( t->kind ) {
case HVOID:
return 0;
case HUI8:
GET_ALIGN(unsigned char);
break;
case HUI16:
GET_ALIGN(unsigned short);
break;
case HI32:
GET_ALIGN(unsigned int);
break;
case HI64:
GET_ALIGN(int64);
break;
case HF32:
GET_ALIGN(float);
break;
case HF64:
GET_ALIGN(double);
break;
case HBOOL:
GET_ALIGN(bool);
break;
default:
break;
}
return (-size) & (align - 1);
}
