- return pix_fmt_info[pix_fmt].is_hwaccel;
-}
-
-int ff_set_systematic_pal(uint32_t pal[256], enum PixelFormat pix_fmt){
- int i;
-
- for(i=0; i<256; i++){
- int r,g,b;
-
- switch(pix_fmt) {
- case PIX_FMT_RGB8:
- r= (i>>5 )*36;
- g= ((i>>2)&7)*36;
- b= (i&3 )*85;
- break;
- case PIX_FMT_BGR8:
- b= (i>>6 )*85;
- g= ((i>>3)&7)*36;
- r= (i&7 )*36;
- break;
- case PIX_FMT_RGB4_BYTE:
- r= (i>>3 )*255;
- g= ((i>>1)&3)*85;
- b= (i&1 )*255;
- break;
- case PIX_FMT_BGR4_BYTE:
- b= (i>>3 )*255;
- g= ((i>>1)&3)*85;
- r= (i&1 )*255;
- break;
- case PIX_FMT_GRAY8:
- r=b=g= i;
- break;
- default:
- return -1;
- }
- pal[i] = b + (g<<8) + (r<<16);
- }
-
- return 0;
-}
-
-int ff_fill_linesize(AVPicture *picture, enum PixelFormat pix_fmt, int width)
-{
- int w2;
- const PixFmtInfo *pinfo;
-
- memset(picture->linesize, 0, sizeof(picture->linesize));
-
- pinfo = &pix_fmt_info[pix_fmt];
- switch(pix_fmt) {
- case PIX_FMT_YUV420P:
- case PIX_FMT_YUV422P:
- case PIX_FMT_YUV444P:
- case PIX_FMT_YUV410P:
- case PIX_FMT_YUV411P:
- case PIX_FMT_YUV440P:
- case PIX_FMT_YUVJ420P:
- case PIX_FMT_YUVJ422P:
- case PIX_FMT_YUVJ444P:
- case PIX_FMT_YUVJ440P:
- w2 = (width + (1 << pinfo->x_chroma_shift) - 1) >> pinfo->x_chroma_shift;
- picture->linesize[0] = width;
- picture->linesize[1] = w2;
- picture->linesize[2] = w2;
- break;
- case PIX_FMT_YUV420PLE:
- case PIX_FMT_YUV422PLE:
- case PIX_FMT_YUV444PLE:
- case PIX_FMT_YUV420PBE:
- case PIX_FMT_YUV422PBE:
- case PIX_FMT_YUV444PBE:
- w2 = (width + (1 << pinfo->x_chroma_shift) - 1) >> pinfo->x_chroma_shift;
- picture->linesize[0] = 2*width;
- picture->linesize[1] = 2*w2;
- picture->linesize[2] = 2*w2;
- break;
- case PIX_FMT_YUVA420P:
- w2 = (width + (1 << pinfo->x_chroma_shift) - 1) >> pinfo->x_chroma_shift;
- picture->linesize[0] = width;
- picture->linesize[1] = w2;
- picture->linesize[2] = w2;
- picture->linesize[3] = width;
- break;
- case PIX_FMT_NV12:
- case PIX_FMT_NV21:
- w2 = (width + (1 << pinfo->x_chroma_shift) - 1) >> pinfo->x_chroma_shift;
- picture->linesize[0] = width;
- picture->linesize[1] = w2;
- break;
- case PIX_FMT_RGB24:
- case PIX_FMT_BGR24:
- picture->linesize[0] = width * 3;
- break;
- case PIX_FMT_ARGB:
- case PIX_FMT_ABGR:
- case PIX_FMT_RGBA:
- case PIX_FMT_BGRA:
- picture->linesize[0] = width * 4;
- break;
- case PIX_FMT_RGB48BE:
- case PIX_FMT_RGB48LE:
- picture->linesize[0] = width * 6;
- break;
- case PIX_FMT_GRAY16BE:
- case PIX_FMT_GRAY16LE:
- case PIX_FMT_BGR555:
- case PIX_FMT_BGR565:
- case PIX_FMT_RGB555:
- case PIX_FMT_RGB565:
- case PIX_FMT_YUYV422:
- picture->linesize[0] = width * 2;
- break;
- case PIX_FMT_UYVY422:
- picture->linesize[0] = width * 2;
- break;
- case PIX_FMT_UYYVYY411:
- picture->linesize[0] = width + width/2;
- break;
- case PIX_FMT_RGB4:
- case PIX_FMT_BGR4:
- picture->linesize[0] = width / 2;
- break;
- case PIX_FMT_MONOWHITE:
- case PIX_FMT_MONOBLACK:
- picture->linesize[0] = (width + 7) >> 3;
- break;
- case PIX_FMT_PAL8:
- case PIX_FMT_RGB8:
- case PIX_FMT_BGR8:
- case PIX_FMT_RGB4_BYTE:
- case PIX_FMT_BGR4_BYTE:
- case PIX_FMT_GRAY8:
- picture->linesize[0] = width;
- break;
- default:
- return -1;
- }
- return 0;
-}
-
-int ff_fill_pointer(AVPicture *picture, uint8_t *ptr, enum PixelFormat pix_fmt,
- int height)
-{
- int size, h2, size2;
- const PixFmtInfo *pinfo;
-
- pinfo = &pix_fmt_info[pix_fmt];
- size = picture->linesize[0] * height;
- switch(pix_fmt) {
- case PIX_FMT_YUV420P:
- case PIX_FMT_YUV422P:
- case PIX_FMT_YUV444P:
- case PIX_FMT_YUV410P:
- case PIX_FMT_YUV411P:
- case PIX_FMT_YUV440P:
- case PIX_FMT_YUVJ420P:
- case PIX_FMT_YUVJ422P:
- case PIX_FMT_YUVJ444P:
- case PIX_FMT_YUVJ440P:
- case PIX_FMT_YUV420PLE:
- case PIX_FMT_YUV422PLE:
- case PIX_FMT_YUV444PLE:
- case PIX_FMT_YUV420PBE:
- case PIX_FMT_YUV422PBE:
- case PIX_FMT_YUV444PBE:
- h2 = (height + (1 << pinfo->y_chroma_shift) - 1) >> pinfo->y_chroma_shift;
- size2 = picture->linesize[1] * h2;
- picture->data[0] = ptr;
- picture->data[1] = picture->data[0] + size;
- picture->data[2] = picture->data[1] + size2;
- picture->data[3] = NULL;
- return size + 2 * size2;
- case PIX_FMT_YUVA420P:
- h2 = (height + (1 << pinfo->y_chroma_shift) - 1) >> pinfo->y_chroma_shift;
- size2 = picture->linesize[1] * h2;
- picture->data[0] = ptr;
- picture->data[1] = picture->data[0] + size;
- picture->data[2] = picture->data[1] + size2;
- picture->data[3] = picture->data[1] + size2 + size2;
- return 2 * size + 2 * size2;
- case PIX_FMT_NV12:
- case PIX_FMT_NV21:
- h2 = (height + (1 << pinfo->y_chroma_shift) - 1) >> pinfo->y_chroma_shift;
- size2 = picture->linesize[1] * h2 * 2;
- picture->data[0] = ptr;
- picture->data[1] = picture->data[0] + size;
- picture->data[2] = NULL;
- picture->data[3] = NULL;
- return size + 2 * size2;
- case PIX_FMT_RGB24:
- case PIX_FMT_BGR24:
- case PIX_FMT_ARGB:
- case PIX_FMT_ABGR:
- case PIX_FMT_RGBA:
- case PIX_FMT_BGRA:
- case PIX_FMT_RGB48BE:
- case PIX_FMT_RGB48LE:
- case PIX_FMT_GRAY16BE:
- case PIX_FMT_GRAY16LE:
- case PIX_FMT_BGR555:
- case PIX_FMT_BGR565:
- case PIX_FMT_RGB555:
- case PIX_FMT_RGB565:
- case PIX_FMT_YUYV422:
- case PIX_FMT_UYVY422:
- case PIX_FMT_UYYVYY411:
- case PIX_FMT_RGB4:
- case PIX_FMT_BGR4:
- case PIX_FMT_MONOWHITE:
- case PIX_FMT_MONOBLACK:
- picture->data[0] = ptr;
- picture->data[1] = NULL;
- picture->data[2] = NULL;
- picture->data[3] = NULL;
- return size;
- case PIX_FMT_PAL8:
- case PIX_FMT_RGB8:
- case PIX_FMT_BGR8:
- case PIX_FMT_RGB4_BYTE:
- case PIX_FMT_BGR4_BYTE:
- case PIX_FMT_GRAY8:
- size2 = (size + 3) & ~3;
- picture->data[0] = ptr;
- picture->data[1] = ptr + size2; /* palette is stored here as 256 32 bit words */
- picture->data[2] = NULL;
- picture->data[3] = NULL;
- return size2 + 256 * 4;
- default:
- picture->data[0] = NULL;
- picture->data[1] = NULL;
- picture->data[2] = NULL;
- picture->data[3] = NULL;
- return -1;
- }