diff options
Diffstat (limited to 'src/video_out/yuv2rgb.c')
| -rw-r--r-- | src/video_out/yuv2rgb.c | 140 |
1 files changed, 139 insertions, 1 deletions
diff --git a/src/video_out/yuv2rgb.c b/src/video_out/yuv2rgb.c index d92b62839..f8a43cf2e 100644 --- a/src/video_out/yuv2rgb.c +++ b/src/video_out/yuv2rgb.c @@ -22,7 +22,7 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * - * $Id: yuv2rgb.c,v 1.11 2001/08/07 23:59:50 guenter Exp $ + * $Id: yuv2rgb.c,v 1.12 2001/08/18 23:30:51 guenter Exp $ */ #include "config.h" @@ -762,6 +762,134 @@ static void yuv2rgb_c_16 (yuv2rgb_t *this, uint8_t * _dst, } } +/* now for something different: 256 color mode */ +static void yuv2rgb_c_palette (yuv2rgb_t *this, uint8_t * _dst, + uint8_t * _py, uint8_t * _pu, uint8_t * _pv) +{ + int U, V, Y; + uint8_t * py_1, * py_2, * pu, * pv; + uint8_t * r, * g, * b; + uint8_t * dst_1, * dst_2; + int width, height; + int dy; + + if (this->do_scale) { + scale_line (_pu, this->u_buffer, + this->dest_width >> 1, this->step_dx); + scale_line (_pv, this->v_buffer, + this->dest_width >> 1, this->step_dx); + scale_line (_py, this->y_buffer, + this->dest_width, this->step_dx); + + dy = 0; + height = this->source_height; + + for (;;) { + dst_1 = _dst; + py_1 = this->y_buffer; + pu = this->u_buffer; + pv = this->v_buffer; + + width = this->dest_width >> 3; + + do { + /* FIXME + RGB(0); + DST1(0); + + RGB(1); + DST1(1); + + RGB(2); + DST1(2); + + RGB(3); + DST1(3); + */ + + pu += 4; + pv += 4; + py_1 += 8; + dst_1 += 8; + } while (--width); + + dy += this->step_dy; + _dst += this->rgb_stride; + + while (dy < 32768) { + + memcpy (_dst, (uint8_t*)_dst-this->rgb_stride, this->dest_width*2); + + dy += this->step_dy; + _dst += this->rgb_stride; + } + + if (--height <= 0) + break; + + dy -= 32768; + _py += this->y_stride; + + scale_line (_py, this->y_buffer, + this->dest_width, this->step_dx); + + if (!(height & 1)) { + _pu += this->uv_stride; + _pv += this->uv_stride; + + scale_line (_pu, this->u_buffer, + this->dest_width >> 1, this->step_dx); + scale_line (_pv, this->v_buffer, + this->dest_width >> 1, this->step_dx); + + } + } + } else { + height = this->source_height >> 1; + do { + dst_1 = _dst; + dst_2 = _dst + this->rgb_stride; + py_1 = _py; + py_2 = _py + this->y_stride; + pu = _pu; + pv = _pv; + width = this->source_width >> 3; + do { + /* + RGB(0); + DST1(0); + DST2(0); + + RGB(1); + DST2(1); + DST1(1); + + RGB(2); + DST1(2); + DST2(2); + + RGB(3); + DST2(3); + DST1(3); + */ + + pu += 4; + pv += 4; + py_1 += 8; + py_2 += 8; + dst_1 += 8; + dst_2 += 8; + } while (--width); + + _dst += 2 * this->rgb_stride; + _py += 2 * this->y_stride; + _pu += this->uv_stride; + _pv += this->uv_stride; + + } while (--height); + } +} + static int div_round (int dividend, int divisor) { if (dividend > 0) @@ -862,6 +990,12 @@ static void yuv2rgb_setup_tables (yuv2rgb_t *this, int mode) } break; + case MODE_PALETTE: + + /* FIXME: set up 256 color table */ + + break; + default: fprintf (stderr, "mode %d not supported by yuv2rgb\n", mode); exit (1); @@ -898,6 +1032,10 @@ static void yuv2rgb_c_init (yuv2rgb_t *this, int mode) this->yuv2rgb_fun = yuv2rgb_c_16; break; + case MODE_PALETTE: + this->yuv2rgb_fun = yuv2rgb_c_palette; + break; + default: fprintf (stderr, "mode %d not supported by yuv2rgb\n", mode); exit (1); |