ffmpeg-0.5.1/libavcodec/imgconvert.c

723     const PixFmtInfo* pf = &pix_fmt_info[pix_fmt];
731     if (pf->pixel_type == FF_PIXEL_PACKED || pf->pixel_type == FF_PIXEL_PALETTE) {
744           w = width * (pf->depth * pf->nb_channels / 8);
749         data_planes = pf->nb_channels;
750         w = (width*pf->depth + 7)/8;
759              w = width >> pf->x_chroma_shift;
760              h = height >> pf->y_chroma_shift;
773     if (pf->pixel_type == FF_PIXEL_PALETTE)
788     const PixFmtInfo *pf, *ps;
792     pf = &pix_fmt_info[dst_pix_fmt];
796     pf = &pix_fmt_info[dst_pix_fmt];
797     if (pf->depth < ps->depth ||
800     if (pf->x_chroma_shift > ps->x_chroma_shift ||
801         pf->y_chroma_shift > ps->y_chroma_shift)
803     switch(pf->color_type) {
825         if (ps->color_type != pf->color_type)
829     if (pf->color_type == FF_COLOR_GRAY &&
832     if (!pf->is_alpha && (ps->is_alpha && has_alpha))
834     if (pf->pixel_type == FF_PIXEL_PALETTE &&
843     const PixFmtInfo *pf;
845     pf = &pix_fmt_info[pix_fmt];
846     switch(pf->pixel_type) {
861             bits = pf->depth * pf->nb_channels;
866         if (pf->x_chroma_shift == 0 && pf->y_chroma_shift == 0) {
867             bits = pf->depth * pf->nb_channels;
869             bits = pf->depth + ((2 * pf->depth) >>
870                                 (pf->x_chroma_shift + pf->y_chroma_shift));
956     const PixFmtInfo *pf = &pix_fmt_info[pix_fmt];
958     pf = &pix_fmt_info[pix_fmt];
959     switch(pf->pixel_type) {
974             bits = pf->depth * pf->nb_channels;
981                 width= -((-width)>>pf->x_chroma_shift);
983             return (width * pf->depth + 7) >> 3;
998     const PixFmtInfo *pf = &pix_fmt_info[pix_fmt];
1000     pf = &pix_fmt_info[pix_fmt];
1001     switch(pf->pixel_type) {
1004         for(i = 0; i < pf->nb_channels; i++) {
1009                 h= -((-height)>>pf->y_chroma_shift);
2750     const PixFmtInfo *pf = &pix_fmt_info[pix_fmt];
2753     pf = &pix_fmt_info[pix_fmt];
2755     if (!pf->is_alpha)