mirror of https://git.ffmpeg.org/ffmpeg.git
1bpp support
Originally committed as revision 6457 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Michael Niedermayer
parent
8fd5fe9429
commit
e4b168dfbe
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@ -26,7 +26,7 @@
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* MMX/MMX2 Template stuff from Michael Niedermayer (michaelni@gmx.at) (needed for fast movntq support)
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* 8bpp support by Michael Niedermayer (michaelni@gmx.at)
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* 1,4,8bpp support by Michael Niedermayer (michaelni@gmx.at)
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*/
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#include <stdio.h>
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@ -87,18 +87,15 @@ uint64_t __attribute__((aligned(8))) dither8[2]={
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0x0602060206020602LL,
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0x0004000400040004LL,};
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uint8_t __attribute__((aligned(8))) dither_4x4_32[4][8]={
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{ 0,16, 6,22, 0,16, 6,22},
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{28, 8,24,14,28, 8,24,14},
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{ 4,20, 2,18, 4,20, 2,18},
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{26,12,30,10,26,12,30,10},
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};
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uint8_t __attribute__((aligned(8))) dither_4x4_64[4][8]={
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{ 8,40, 4,36, 8,40, 4,36,},
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{52,24,60,20,52,24,60,20,},
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{00,32,12,44,00,32,12,44,},
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{56,16,48,28,56,16,48,28,},
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uint8_t __attribute__((aligned(8))) dither_8x8_32[8][8]={
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{ 17, 9, 23, 15, 16, 8, 22, 14, },
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{ 5, 29, 3, 27, 4, 28, 2, 26, },
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{ 21, 13, 19, 11, 20, 12, 18, 10, },
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{ 0, 24, 6, 30, 1, 25, 7, 31, },
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{ 16, 8, 22, 14, 17, 9, 23, 15, },
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{ 4, 28, 2, 26, 5, 29, 3, 27, },
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{ 20, 12, 18, 10, 21, 13, 19, 11, },
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{ 1, 25, 7, 31, 0, 24, 6, 30, },
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};
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uint8_t __attribute__((aligned(8))) dither_8x8_64[8][8]={
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@ -174,7 +171,7 @@ static void yuv2rgb_c (void * dst, uint8_t * py,
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int rgb_stride, int y_stride, int uv_stride)
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{
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v_size >>= 1;
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while (v_size--) {
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yuv2rgb_c_internal (py, py + y_stride, pu, pv, dst, dst + rgb_stride,
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h_size, v_size<<1);
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@ -483,48 +480,36 @@ static void yuv2rgb_c_8_ordered_dither (uint8_t * py_1, uint8_t * py_2,
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dst_2 = _dst_2;
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while (h_size--) {
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uint8_t *d32= dither_4x4_32[v_pos&3];
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uint8_t *d64= dither_4x4_64[v_pos&3];
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#define DST1a(i) \
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uint8_t *d32= dither_8x8_32[v_pos&7];
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uint8_t *d64= dither_8x8_64[v_pos&7];
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#define DST1bpp8(i,o) \
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Y = py_1[2*i]; \
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dst_1[2*i] = r[Y+d32[0]] + g[Y+d32[0]] + b[Y+d64[0]]; \
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dst_1[2*i] = r[Y+d32[0+o]] + g[Y+d32[0+o]] + b[Y+d64[0+o]]; \
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Y = py_1[2*i+1]; \
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dst_1[2*i+1] = r[Y+d32[1]] + g[Y+d32[1]] + b[Y+d64[1]];
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dst_1[2*i+1] = r[Y+d32[1+o]] + g[Y+d32[1+o]] + b[Y+d64[1+o]];
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#define DST2a(i) \
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#define DST2bpp8(i,o) \
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Y = py_2[2*i]; \
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dst_2[2*i] = r[Y+d32[8]] + g[Y+d32[8]] + b[Y+d64[8]]; \
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dst_2[2*i] = r[Y+d32[8+o]] + g[Y+d32[8+o]] + b[Y+d64[8+o]]; \
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Y = py_2[2*i+1]; \
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dst_2[2*i+1] = r[Y+d32[9]] + g[Y+d32[9]] + b[Y+d64[9]];
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dst_2[2*i+1] = r[Y+d32[9+o]] + g[Y+d32[9+o]] + b[Y+d64[9+o]];
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#define DST1b(i) \
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Y = py_1[2*i]; \
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dst_1[2*i] = r[Y+d32[2]] + g[Y+d32[2]] + b[Y+d64[2]]; \
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Y = py_1[2*i+1]; \
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dst_1[2*i+1] = r[Y+d32[3]] + g[Y+d32[3]] + b[Y+d64[3]];
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#define DST2b(i) \
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Y = py_2[2*i]; \
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dst_2[2*i] = r[Y+d32[10]] + g[Y+d32[10]] + b[Y+d64[10]]; \
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Y = py_2[2*i+1]; \
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dst_2[2*i+1] = r[Y+d32[11]] + g[Y+d32[11]] + b[Y+d64[11]];
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RGB(0);
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DST1a(0);
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DST2a(0);
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DST1bpp8(0,0);
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DST2bpp8(0,0);
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RGB(1);
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DST2b(1);
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DST1b(1);
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DST2bpp8(1,2);
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DST1bpp8(1,2);
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RGB(2);
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DST1a(2);
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DST2a(2);
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DST1bpp8(2,4);
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DST2bpp8(2,4);
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RGB(3);
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DST2b(3);
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DST1b(3);
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DST2bpp8(3,6);
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DST1bpp8(3,6);
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pu += 4;
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pv += 4;
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@ -630,6 +615,59 @@ static void yuv2rgb_c_4_ordered_dither (uint8_t * py_1, uint8_t * py_2,
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}
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}
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static void yuv2rgb_c_1_ordered_dither (uint8_t * py_1, uint8_t * py_2,
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uint8_t * pu, uint8_t * pv,
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void * _dst_1, void * _dst_2, int h_size, int v_pos)
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{
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int U, V, Y;
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uint8_t * r, * g, * b;
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uint8_t * dst_1, * dst_2;
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h_size >>= 3;
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dst_1 = _dst_1;
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dst_2 = _dst_2;
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g= table_gU[128] + table_gV[128];
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while (h_size--) {
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uint8_t *d128=dither_8x8_128[v_pos&7];
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char out_1=0, out_2=0;
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#define DST1bpp1(i,o) \
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Y = py_1[2*i]; \
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out_1+= out_1 + g[Y+d128[0+o]]; \
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Y = py_1[2*i+1]; \
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out_1+= out_1 + g[Y+d128[1+o]];
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#define DST2bpp1(i,o) \
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Y = py_2[2*i]; \
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out_2+= out_2 + g[Y+d128[8+o]]; \
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Y = py_2[2*i+1]; \
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out_2+= out_2 + g[Y+d128[9+o]];
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DST1bpp1(0,0);
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DST2bpp1(0,0);
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DST2bpp1(1,2);
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DST1bpp1(1,2);
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DST1bpp1(2,4);
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DST2bpp1(2,4);
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DST2bpp1(3,6);
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DST1bpp1(3,6);
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dst_1[0]= out_1;
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dst_2[0]= out_2;
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pu += 4;
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pv += 4;
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py_1 += 8;
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py_2 += 8;
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dst_1 ++;
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dst_2 ++;
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}
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}
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static int div_round (int dividend, int divisor)
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{
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@ -805,6 +843,23 @@ static void yuv2rgb_c_init (int bpp, int mode)
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}
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break;
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case 1:
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yuv2rgb_c_internal = yuv2rgb_c_1_ordered_dither;
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table_1 = malloc ((132*2 + 256) * sizeof (uint8_t));
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entry_size = sizeof (uint8_t);
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table_g = table_1 + 132;
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table_r = table_b = NULL;
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for (i = -132; i < 256+132; i++) {
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int j = (table_Y[i+384] - 64) >> 7;
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if(j<0) j=0;
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((uint8_t *)table_g)[i] = j;
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}
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break;
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default:
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mp_msg(MSGT_SWS,MSGL_ERR,"%ibpp not supported by yuv2rgb\n", bpp);
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//exit (1);
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