| 1 | /* |
| 2 | * This file is part of MPlayer. |
| 3 | * |
| 4 | * MPlayer is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation; either version 2 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | * |
| 9 | * MPlayer is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License along |
| 15 | * with MPlayer; if not, write to the Free Software Foundation, Inc., |
| 16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 17 | */ |
| 18 | |
| 19 | #include <stdio.h> |
| 20 | #include <stdlib.h> |
| 21 | #include <string.h> |
| 22 | #include <inttypes.h> |
| 23 | |
| 24 | #include "config.h" |
| 25 | #include "mp_msg.h" |
| 26 | #include "cpudetect.h" |
| 27 | |
| 28 | #include "img_format.h" |
| 29 | #include "mp_image.h" |
| 30 | #include "vf.h" |
| 31 | |
| 32 | #include "libvo/video_out.h" |
| 33 | |
| 34 | struct vf_priv_s { |
| 35 | unsigned char *buf; |
| 36 | int brightness; |
| 37 | int contrast; |
| 38 | }; |
| 39 | |
| 40 | #if HAVE_MMX && HAVE_6REGS |
| 41 | static void process_MMX(unsigned char *dest, int dstride, unsigned char *src, int sstride, |
| 42 | int w, int h, int brightness, int contrast) |
| 43 | { |
| 44 | int i; |
| 45 | int pel; |
| 46 | int dstep = dstride-w; |
| 47 | int sstep = sstride-w; |
| 48 | short brvec[4]; |
| 49 | short contvec[4]; |
| 50 | |
| 51 | contrast = ((contrast+100)*256*16)/100; |
| 52 | brightness = ((brightness+100)*511)/200-128 - contrast/32; |
| 53 | |
| 54 | brvec[0] = brvec[1] = brvec[2] = brvec[3] = brightness; |
| 55 | contvec[0] = contvec[1] = contvec[2] = contvec[3] = contrast; |
| 56 | |
| 57 | while (h--) { |
| 58 | __asm__ volatile ( |
| 59 | "movq (%5), %%mm3 \n\t" |
| 60 | "movq (%6), %%mm4 \n\t" |
| 61 | "pxor %%mm0, %%mm0 \n\t" |
| 62 | "movl %4, %%eax\n\t" |
| 63 | ASMALIGN(4) |
| 64 | "1: \n\t" |
| 65 | "movq (%0), %%mm1 \n\t" |
| 66 | "movq (%0), %%mm2 \n\t" |
| 67 | "punpcklbw %%mm0, %%mm1 \n\t" |
| 68 | "punpckhbw %%mm0, %%mm2 \n\t" |
| 69 | "psllw $4, %%mm1 \n\t" |
| 70 | "psllw $4, %%mm2 \n\t" |
| 71 | "pmulhw %%mm4, %%mm1 \n\t" |
| 72 | "pmulhw %%mm4, %%mm2 \n\t" |
| 73 | "paddw %%mm3, %%mm1 \n\t" |
| 74 | "paddw %%mm3, %%mm2 \n\t" |
| 75 | "packuswb %%mm2, %%mm1 \n\t" |
| 76 | "add $8, %0 \n\t" |
| 77 | "movq %%mm1, (%1) \n\t" |
| 78 | "add $8, %1 \n\t" |
| 79 | "decl %%eax \n\t" |
| 80 | "jnz 1b \n\t" |
| 81 | : "=r" (src), "=r" (dest) |
| 82 | : "0" (src), "1" (dest), "r" (w>>3), "r" (brvec), "r" (contvec) |
| 83 | : "%eax" |
| 84 | ); |
| 85 | |
| 86 | for (i = w&7; i; i--) |
| 87 | { |
| 88 | pel = ((*src++* contrast)>>12) + brightness; |
| 89 | if(pel&768) pel = (-pel)>>31; |
| 90 | *dest++ = pel; |
| 91 | } |
| 92 | |
| 93 | src += sstep; |
| 94 | dest += dstep; |
| 95 | } |
| 96 | __asm__ volatile ( "emms \n\t" ::: "memory" ); |
| 97 | } |
| 98 | #endif |
| 99 | |
| 100 | static void process_C(unsigned char *dest, int dstride, unsigned char *src, int sstride, |
| 101 | int w, int h, int brightness, int contrast) |
| 102 | { |
| 103 | int i; |
| 104 | int pel; |
| 105 | int dstep = dstride-w; |
| 106 | int sstep = sstride-w; |
| 107 | |
| 108 | contrast = ((contrast+100)*256*256)/100; |
| 109 | brightness = ((brightness+100)*511)/200-128 - contrast/512; |
| 110 | |
| 111 | while (h--) { |
| 112 | for (i = w; i; i--) |
| 113 | { |
| 114 | pel = ((*src++* contrast)>>16) + brightness; |
| 115 | if(pel&768) pel = (-pel)>>31; |
| 116 | *dest++ = pel; |
| 117 | } |
| 118 | src += sstep; |
| 119 | dest += dstep; |
| 120 | } |
| 121 | } |
| 122 | |
| 123 | static void (*process)(unsigned char *dest, int dstride, unsigned char *src, int sstride, |
| 124 | int w, int h, int brightness, int contrast); |
| 125 | |
| 126 | /* FIXME: add packed yuv version of process */ |
| 127 | |
| 128 | static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts) |
| 129 | { |
| 130 | mp_image_t *dmpi; |
| 131 | |
| 132 | dmpi=ff_vf_get_image(vf->next, mpi->imgfmt, |
| 133 | MP_IMGTYPE_EXPORT, 0, |
| 134 | mpi->w, mpi->h); |
| 135 | |
| 136 | dmpi->stride[0] = mpi->stride[0]; |
| 137 | dmpi->planes[1] = mpi->planes[1]; |
| 138 | dmpi->planes[2] = mpi->planes[2]; |
| 139 | dmpi->stride[1] = mpi->stride[1]; |
| 140 | dmpi->stride[2] = mpi->stride[2]; |
| 141 | |
| 142 | if (!vf->priv->buf) vf->priv->buf = malloc(mpi->stride[0]*mpi->h); |
| 143 | |
| 144 | if ((vf->priv->brightness == 0) && (vf->priv->contrast == 0)) |
| 145 | dmpi->planes[0] = mpi->planes[0]; |
| 146 | else { |
| 147 | dmpi->planes[0] = vf->priv->buf; |
| 148 | process(dmpi->planes[0], dmpi->stride[0], |
| 149 | mpi->planes[0], mpi->stride[0], |
| 150 | mpi->w, mpi->h, vf->priv->brightness, |
| 151 | vf->priv->contrast); |
| 152 | } |
| 153 | |
| 154 | return ff_vf_next_put_image(vf,dmpi, pts); |
| 155 | } |
| 156 | |
| 157 | static int control(struct vf_instance *vf, int request, void* data) |
| 158 | { |
| 159 | vf_equalizer_t *eq; |
| 160 | |
| 161 | switch (request) { |
| 162 | case VFCTRL_SET_EQUALIZER: |
| 163 | eq = data; |
| 164 | if (!strcmp(eq->item,"brightness")) { |
| 165 | vf->priv->brightness = eq->value; |
| 166 | return CONTROL_TRUE; |
| 167 | } |
| 168 | else if (!strcmp(eq->item,"contrast")) { |
| 169 | vf->priv->contrast = eq->value; |
| 170 | return CONTROL_TRUE; |
| 171 | } |
| 172 | break; |
| 173 | case VFCTRL_GET_EQUALIZER: |
| 174 | eq = data; |
| 175 | if (!strcmp(eq->item,"brightness")) { |
| 176 | eq->value = vf->priv->brightness; |
| 177 | return CONTROL_TRUE; |
| 178 | } |
| 179 | else if (!strcmp(eq->item,"contrast")) { |
| 180 | eq->value = vf->priv->contrast; |
| 181 | return CONTROL_TRUE; |
| 182 | } |
| 183 | break; |
| 184 | } |
| 185 | return ff_vf_next_control(vf, request, data); |
| 186 | } |
| 187 | |
| 188 | static int query_format(struct vf_instance *vf, unsigned int fmt) |
| 189 | { |
| 190 | switch (fmt) { |
| 191 | case IMGFMT_YVU9: |
| 192 | case IMGFMT_IF09: |
| 193 | case IMGFMT_YV12: |
| 194 | case IMGFMT_I420: |
| 195 | case IMGFMT_IYUV: |
| 196 | case IMGFMT_CLPL: |
| 197 | case IMGFMT_Y800: |
| 198 | case IMGFMT_Y8: |
| 199 | case IMGFMT_NV12: |
| 200 | case IMGFMT_NV21: |
| 201 | case IMGFMT_444P: |
| 202 | case IMGFMT_422P: |
| 203 | case IMGFMT_411P: |
| 204 | return ff_vf_next_query_format(vf, fmt); |
| 205 | } |
| 206 | return 0; |
| 207 | } |
| 208 | |
| 209 | static void uninit(struct vf_instance *vf) |
| 210 | { |
| 211 | free(vf->priv->buf); |
| 212 | free(vf->priv); |
| 213 | } |
| 214 | |
| 215 | static int vf_open(vf_instance_t *vf, char *args) |
| 216 | { |
| 217 | vf->control=control; |
| 218 | vf->query_format=query_format; |
| 219 | vf->put_image=put_image; |
| 220 | vf->uninit=uninit; |
| 221 | |
| 222 | vf->priv = malloc(sizeof(struct vf_priv_s)); |
| 223 | memset(vf->priv, 0, sizeof(struct vf_priv_s)); |
| 224 | if (args) sscanf(args, "%d:%d", &vf->priv->brightness, &vf->priv->contrast); |
| 225 | |
| 226 | process = process_C; |
| 227 | #if HAVE_MMX && HAVE_6REGS |
| 228 | if(ff_gCpuCaps.hasMMX) process = process_MMX; |
| 229 | #endif |
| 230 | |
| 231 | return 1; |
| 232 | } |
| 233 | |
| 234 | const vf_info_t ff_vf_info_eq = { |
| 235 | "soft video equalizer", |
| 236 | "eq", |
| 237 | "Richard Felker", |
| 238 | "", |
| 239 | vf_open, |
| 240 | }; |