gitorious.org Git - vaapi:mplayer.git/blob - libmpcodecs/.svn/text-base/vf

1 // -*- c-basic-offset: 8; indent-tabs-mode: t -*-

2 // vim:ts=8:sw=8:noet:ai:

3 /*

5 *

6 * This file is part of MPlayer.

7 *

8 * MPlayer is free software; you can redistribute it and/or modify

9 * it under the terms of the GNU General Public License as published by

10 * the Free Software Foundation; either version 2 of the License, or

11 * (at your option) any later version.

12 *

13 * MPlayer is distributed in the hope that it will be useful,

14 * but WITHOUT ANY WARRANTY; without even the implied warranty of

15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

16 * GNU General Public License for more details.

17 *

18 * You should have received a copy of the GNU General Public License along

19 * with MPlayer; if not, write to the Free Software Foundation, Inc.,

20 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

21 */

22

23 #include "config.h"

24

25 #include <stdio.h>

26 #include <stdlib.h>

27 #include <string.h>

28 #include <inttypes.h>

29 #include <assert.h>

30

31 #include "config.h"

32 #include "mp_msg.h"

33 #include "help_mp.h"

34

35 #include "img_format.h"

36 #include "mp_image.h"

37 #include "vf.h"

38

39 #include "libvo/fastmemcpy.h"

40

41 #include "m_option.h"

42 #include "m_struct.h"

43

44 #include "libass/ass_mp.h"

45

46 #define _r(c) ((c)>>24)

47 #define _g(c) (((c)>>16)&0xFF)

48 #define _b(c) (((c)>>8)&0xFF)

49 #define _a(c) ((c)&0xFF)

50 #define rgba2y(c) ( (( 263*_r(c) + 516*_g(c) + 100*_b(c)) >> 10) + 16 )

51 #define rgba2u(c) ( ((-152*_r(c) - 298*_g(c) + 450*_b(c)) >> 10) + 128 )

52 #define rgba2v(c) ( (( 450*_r(c) - 376*_g(c) - 73*_b(c)) >> 10) + 128 )

53

54

55 static const struct vf_priv_s {

56 int outh, outw;

57

58 unsigned int outfmt;

59

60 // 1 = auto-added filter: insert only if chain does not support EOSD already

61 // 0 = insert always

62 int auto_insert;

63

64 ass_renderer_t* ass_priv;

65

66 unsigned char* planes[3];

67 unsigned char* dirty_rows;

68 } vf_priv_dflt;

69

70 extern int opt_screen_size_x;

71 extern int opt_screen_size_y;

72

73 extern ass_track_t* ass_track;

74 extern float sub_delay;

75 extern int sub_visibility;

76

77 static int config(struct vf_instance_s* vf,

78 int width, int height, int d_width, int d_height,

79 unsigned int flags, unsigned int outfmt)

80 {

81 if (outfmt == IMGFMT_IF09) return 0;

82

83 vf->priv->outh = height + ass_top_margin + ass_bottom_margin;

84 vf->priv->outw = width;

85

86 if(!opt_screen_size_x && !opt_screen_size_y){

87 d_width = d_width * vf->priv->outw / width;

88 d_height = d_height * vf->priv->outh / height;

89 }

90

91 vf->priv->planes[1] = malloc(vf->priv->outw * vf->priv->outh);

92 vf->priv->planes[2] = malloc(vf->priv->outw * vf->priv->outh);

93 vf->priv->dirty_rows = malloc(vf->priv->outh);

94

95 if (vf->priv->ass_priv) {

96 ass_configure(vf->priv->ass_priv, vf->priv->outw, vf->priv->outh, 0);

97 #if defined(LIBASS_VERSION) && LIBASS_VERSION >= 0x00908000

98 ass_set_aspect_ratio(vf->priv->ass_priv, ((double)d_width) / d_height, ((double)width) / height);

99 #else

100 ass_set_aspect_ratio(vf->priv->ass_priv, ((double)d_width) / d_height);

101 #endif

102 }

103

104 return vf_next_config(vf, vf->priv->outw, vf->priv->outh, d_width, d_height, flags, outfmt);

105 }

106

107 static void get_image(struct vf_instance_s* vf, mp_image_t *mpi)

108 {

109 if(mpi->type == MP_IMGTYPE_IPB) return;

110 if(mpi->flags & MP_IMGFLAG_PRESERVE) return;

111 if(mpi->imgfmt != vf->priv->outfmt) return; // colorspace differ

112

113 // width never changes, always try full DR

114 mpi->priv = vf->dmpi = vf_get_image(vf->next, mpi->imgfmt,

115 mpi->type, mpi->flags | MP_IMGFLAG_READABLE,

116 vf->priv->outw,

117 vf->priv->outh);

118

119 if((vf->dmpi->flags & MP_IMGFLAG_DRAW_CALLBACK) &&

120 !(vf->dmpi->flags & MP_IMGFLAG_DIRECT)){

121 mp_msg(MSGT_ASS, MSGL_INFO, MSGTR_MPCODECS_FullDRNotPossible);

122 return;

123 }

124

125 // set up mpi as a cropped-down image of dmpi:

126 if(mpi->flags&MP_IMGFLAG_PLANAR){

127 mpi->planes[0]=vf->dmpi->planes[0] + ass_top_margin * vf->dmpi->stride[0];

128 mpi->planes[1]=vf->dmpi->planes[1] + (ass_top_margin >> mpi->chroma_y_shift) * vf->dmpi->stride[1];

129 mpi->planes[2]=vf->dmpi->planes[2] + (ass_top_margin >> mpi->chroma_y_shift) * vf->dmpi->stride[2];

130 mpi->stride[1]=vf->dmpi->stride[1];

131 mpi->stride[2]=vf->dmpi->stride[2];

132 } else {

133 mpi->planes[0]=vf->dmpi->planes[0] + ass_top_margin * vf->dmpi->stride[0];

134 }

135 mpi->stride[0]=vf->dmpi->stride[0];

136 mpi->width=vf->dmpi->width;

137 mpi->flags|=MP_IMGFLAG_DIRECT;

138 mpi->flags&=~MP_IMGFLAG_DRAW_CALLBACK;

139 // vf->dmpi->flags&=~MP_IMGFLAG_DRAW_CALLBACK;

140 }

141

142 static void blank(mp_image_t *mpi, int y1, int y2)

143 {

144 int color[3] = {16, 128, 128}; // black (YUV)

145 int y;

146 unsigned char* dst;

147 int chroma_rows = (y2 - y1) >> mpi->chroma_y_shift;

148

149 dst = mpi->planes[0] + y1 * mpi->stride[0];

150 for (y = 0; y < y2 - y1; ++y) {

151 memset(dst, color[0], mpi->w);

152 dst += mpi->stride[0];

153 }

154 dst = mpi->planes[1] + (y1 >> mpi->chroma_y_shift) * mpi->stride[1];

155 for (y = 0; y < chroma_rows ; ++y) {

156 memset(dst, color[1], mpi->chroma_width);

157 dst += mpi->stride[1];

158 }

159 dst = mpi->planes[2] + (y1 >> mpi->chroma_y_shift) * mpi->stride[2];

160 for (y = 0; y < chroma_rows ; ++y) {

161 memset(dst, color[2], mpi->chroma_width);

162 dst += mpi->stride[2];

163 }

164 }

165

166 static int prepare_image(struct vf_instance_s* vf, mp_image_t *mpi)

167 {

168 if(mpi->flags&MP_IMGFLAG_DIRECT || mpi->flags&MP_IMGFLAG_DRAW_CALLBACK){

169 vf->dmpi = mpi->priv;

170 if (!vf->dmpi) { mp_msg(MSGT_ASS, MSGL_WARN, MSGTR_MPCODECS_FunWhydowegetNULL); return 0; }

171 mpi->priv = NULL;

172 // we've used DR, so we're ready...

173 if (ass_top_margin)

174 blank(vf->dmpi, 0, ass_top_margin);

175 if (ass_bottom_margin)

176 blank(vf->dmpi, vf->priv->outh - ass_bottom_margin, vf->priv->outh);

177 if(!(mpi->flags&MP_IMGFLAG_PLANAR))

178 vf->dmpi->planes[1] = mpi->planes[1]; // passthrough rgb8 palette

179 return 0;

180 }

181

182 // hope we'll get DR buffer:

183 vf->dmpi = vf_get_image(vf->next, vf->priv->outfmt,

184 MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE | MP_IMGFLAG_READABLE,

185 vf->priv->outw, vf->priv->outh);

186

187 // copy mpi->dmpi...

188 if(mpi->flags&MP_IMGFLAG_PLANAR){

189 memcpy_pic(vf->dmpi->planes[0] + ass_top_margin * vf->dmpi->stride[0],

190 mpi->planes[0], mpi->w, mpi->h,

191 vf->dmpi->stride[0], mpi->stride[0]);

192 memcpy_pic(vf->dmpi->planes[1] + (ass_top_margin >> mpi->chroma_y_shift) * vf->dmpi->stride[1],

193 mpi->planes[1], mpi->w >> mpi->chroma_x_shift, mpi->h >> mpi->chroma_y_shift,

194 vf->dmpi->stride[1], mpi->stride[1]);

195 memcpy_pic(vf->dmpi->planes[2] + (ass_top_margin >> mpi->chroma_y_shift) * vf->dmpi->stride[2],

196 mpi->planes[2], mpi->w >> mpi->chroma_x_shift, mpi->h >> mpi->chroma_y_shift,

197 vf->dmpi->stride[2], mpi->stride[2]);

198 } else {

199 memcpy_pic(vf->dmpi->planes[0] + ass_top_margin * vf->dmpi->stride[0],

200 mpi->planes[0], mpi->w*(vf->dmpi->bpp/8), mpi->h,

201 vf->dmpi->stride[0], mpi->stride[0]);

202 vf->dmpi->planes[1] = mpi->planes[1]; // passthrough rgb8 palette

203 }

204 if (ass_top_margin)

205 blank(vf->dmpi, 0, ass_top_margin);

206 if (ass_bottom_margin)

207 blank(vf->dmpi, vf->priv->outh - ass_bottom_margin, vf->priv->outh);

208 return 0;

209 }

210

211 /**

212 * \brief Copy specified rows from render_context.dmpi to render_context.planes, upsampling to 4:4:4

213 */

214 static void copy_from_image(struct vf_instance_s* vf, int first_row, int last_row)

215 {

216 int pl;

217 int i, j, k;

218 unsigned char val;

219 int chroma_rows;

220

221 first_row -= (first_row % 2);

222 last_row += (last_row % 2);

223 chroma_rows = (last_row - first_row) / 2;

224

225 assert(first_row >= 0);

226 assert(first_row <= last_row);

227 assert(last_row <= vf->priv->outh);

228

229 for (pl = 1; pl < 3; ++pl) {

230 int dst_stride = vf->priv->outw;

231 int src_stride = vf->dmpi->stride[pl];

232

233 unsigned char* src = vf->dmpi->planes[pl] + (first_row/2) * src_stride;

234 unsigned char* dst = vf->priv->planes[pl] + first_row * dst_stride;

235 unsigned char* dst_next = dst + dst_stride;

236 for(i = 0; i < chroma_rows; ++i)

237 {

238 if ((vf->priv->dirty_rows[first_row + i*2] == 0) ||

239 (vf->priv->dirty_rows[first_row + i*2 + 1] == 0)) {

240 for (j = 0, k = 0; j < vf->dmpi->chroma_width; ++j, k+=2) {

241 val = *(src + j);

242 *(dst + k) = val;

243 *(dst + k + 1) = val;

244 *(dst_next + k) = val;

245 *(dst_next + k + 1) = val;

246 }

247 }

248 src += src_stride;

249 dst = dst_next + dst_stride;

250 dst_next = dst + dst_stride;

251 }

252 }

253 for (i = first_row; i < last_row; ++i)

254 vf->priv->dirty_rows[i] = 1;

255 }

256

257 /**

258 * \brief Copy all previously copied rows back to render_context.dmpi

259 */

260 static void copy_to_image(struct vf_instance_s* vf)

261 {

262 int pl;

263 int i, j, k;

264 for (pl = 1; pl < 3; ++pl) {

265 int dst_stride = vf->dmpi->stride[pl];

266 int src_stride = vf->priv->outw;

267

268 unsigned char* dst = vf->dmpi->planes[pl];

269 unsigned char* src = vf->priv->planes[pl];

270 unsigned char* src_next = vf->priv->planes[pl] + src_stride;

271 for(i = 0; i < vf->dmpi->chroma_height; ++i)

272 {

273 if ((vf->priv->dirty_rows[i*2] == 1)) {

274 assert(vf->priv->dirty_rows[i*2 + 1] == 1);

275 for (j = 0, k = 0; j < vf->dmpi->chroma_width; ++j, k+=2) {

276 unsigned val = 0;

277 val += *(src + k);

278 val += *(src + k + 1);

279 val += *(src_next + k);

280 val += *(src_next + k + 1);

281 *(dst + j) = val >> 2;

282 }

283 }

284 dst += dst_stride;

285 src = src_next + src_stride;

286 src_next = src + src_stride;

287 }

288 }

289 }

290

291 static void my_draw_bitmap(struct vf_instance_s* vf, unsigned char* bitmap, int bitmap_w, int bitmap_h, int stride, int dst_x, int dst_y, unsigned color)

292 {

293 unsigned char y = rgba2y(color);

294 unsigned char u = rgba2u(color);

295 unsigned char v = rgba2v(color);

296 unsigned char opacity = 255 - _a(color);

297 unsigned char *src, *dsty, *dstu, *dstv;

298 int i, j;

299 mp_image_t* dmpi = vf->dmpi;

300

301 src = bitmap;

302 dsty = dmpi->planes[0] + dst_x + dst_y * dmpi->stride[0];

303 dstu = vf->priv->planes[1] + dst_x + dst_y * vf->priv->outw;

304 dstv = vf->priv->planes[2] + dst_x + dst_y * vf->priv->outw;

305 for (i = 0; i < bitmap_h; ++i) {

306 for (j = 0; j < bitmap_w; ++j) {

307 unsigned k = ((unsigned)src[j]) * opacity / 255;

308 dsty[j] = (k*y + (255-k)*dsty[j]) / 255;

309 dstu[j] = (k*u + (255-k)*dstu[j]) / 255;

310 dstv[j] = (k*v + (255-k)*dstv[j]) / 255;

311 }

312 src += stride;

313 dsty += dmpi->stride[0];

314 dstu += vf->priv->outw;

315 dstv += vf->priv->outw;

316 }

317 }

318

319 static int render_frame(struct vf_instance_s* vf, mp_image_t *mpi, const ass_image_t* img)

320 {

321 if (img) {

322 memset(vf->priv->dirty_rows, 0, vf->priv->outh); // reset dirty rows

323 while (img) {

324 copy_from_image(vf, img->dst_y, img->dst_y + img->h);

325 my_draw_bitmap(vf, img->bitmap, img->w, img->h, img->stride,

326 img->dst_x, img->dst_y, img->color);

327 img = img->next;

328 }

329 copy_to_image(vf);

330 }

331 return 0;

332 }

333

334 static int put_image(struct vf_instance_s* vf, mp_image_t *mpi, double pts)

335 {

336 ass_image_t* images = 0;

337 if (sub_visibility && vf->priv->ass_priv && ass_track && (pts != MP_NOPTS_VALUE))

338 images = ass_mp_render_frame(vf->priv->ass_priv, ass_track, (pts+sub_delay) * 1000 + .5, NULL);

339

340 prepare_image(vf, mpi);

341 if (images) render_frame(vf, mpi, images);

342

343 return vf_next_put_image(vf, vf->dmpi, pts);

344 }

345

346 static int query_format(struct vf_instance_s* vf, unsigned int fmt)

347 {

348 switch(fmt){

349 case IMGFMT_YV12:

350 case IMGFMT_I420:

351 case IMGFMT_IYUV:

352 return vf_next_query_format(vf, vf->priv->outfmt);

353 }

354 return 0;

355 }

356

357 static int control(vf_instance_t *vf, int request, void *data)

358 {

359 switch (request) {

360 case VFCTRL_INIT_EOSD:

361 vf->priv->ass_priv = ass_renderer_init((ass_library_t*)data);

362 if (!vf->priv->ass_priv) return CONTROL_FALSE;

363 ass_configure_fonts(vf->priv->ass_priv);

364 return CONTROL_TRUE;

365 case VFCTRL_DRAW_EOSD:

366 if (vf->priv->ass_priv) return CONTROL_TRUE;

367 break;

368 }

369 return vf_next_control(vf, request, data);

370 }

371

372 static void uninit(struct vf_instance_s* vf)

373 {

374 if (vf->priv->ass_priv)

375 ass_renderer_done(vf->priv->ass_priv);

376 if (vf->priv->planes[1])

377 free(vf->priv->planes[1]);

378 if (vf->priv->planes[2])

379 free(vf->priv->planes[2]);

380 if (vf->priv->dirty_rows)

381 free(vf->priv->dirty_rows);

382 }

383

384 static const unsigned int fmt_list[]={

385 IMGFMT_YV12,

386 IMGFMT_I420,

387 IMGFMT_IYUV,

388 0

389 };

390

391 static int open(vf_instance_t *vf, char* args)

392 {

393 int flags;

394 vf->priv->outfmt = vf_match_csp(&vf->next,fmt_list,IMGFMT_YV12);

395 if (vf->priv->outfmt)

396 flags = vf_next_query_format(vf, vf->priv->outfmt);

397 if (!vf->priv->outfmt || (vf->priv->auto_insert && flags&VFCAP_EOSD))

398 {

399 uninit(vf);

400 return 0;

401 }

402

403 if (vf->priv->auto_insert)

404 mp_msg(MSGT_ASS, MSGL_INFO, "[ass] auto-open\n");

405

406 vf->config = config;

407 vf->query_format = query_format;

408 vf->uninit = uninit;

409 vf->control = control;

410 vf->get_image = get_image;

411 vf->put_image = put_image;

412 vf->default_caps=VFCAP_EOSD;

413 return 1;

414 }

415

416 #define ST_OFF(f) M_ST_OFF(struct vf_priv_s,f)

417 static const m_option_t vf_opts_fields[] = {

418 {"auto", ST_OFF(auto_insert), CONF_TYPE_FLAG, 0 , 0, 1, NULL},

419 { NULL, NULL, 0, 0, 0, 0, NULL }

420 };

421

422 static const m_struct_t vf_opts = {

423 "ass",

424 sizeof(struct vf_priv_s),

425 &vf_priv_dflt,

426 vf_opts_fields

427 };

428

429 const vf_info_t vf_info_ass = {

430 "Render ASS/SSA subtitles",

431 "ass",

432 "Evgeniy Stepanov",

433 "",

434 open,

435 &vf_opts

436 };

437