1 // -*- c-basic-offset: 8; indent-tabs-mode: t -*-
2 // vim:ts=8:sw=8:noet:ai:
4 * Copyright (C) 2006 Evgeniy Stepanov <eugeni.stepanov@gmail.com>
6 * This file is part of MPlayer.
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.
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.
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.
35 #include "img_format.h"
39 #include "libvo/fastmemcpy.h"
44 #include "libass/ass_mp.h"
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 )
55 static const struct vf_priv_s {
60 // 1 = auto-added filter: insert only if chain does not support EOSD already
64 ass_renderer_t* ass_priv;
66 unsigned char* planes[3];
67 unsigned char* dirty_rows;
70 extern int opt_screen_size_x;
71 extern int opt_screen_size_y;
73 extern ass_track_t* ass_track;
74 extern float sub_delay;
75 extern int sub_visibility;
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)
81 if (outfmt == IMGFMT_IF09) return 0;
83 vf->priv->outh = height + ass_top_margin + ass_bottom_margin;
84 vf->priv->outw = width;
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;
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);
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);
100 ass_set_aspect_ratio(vf->priv->ass_priv, ((double)d_width) / d_height);
104 return vf_next_config(vf, vf->priv->outw, vf->priv->outh, d_width, d_height, flags, outfmt);
107 static void get_image(struct vf_instance_s* vf, mp_image_t *mpi)
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
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,
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);
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];
133 mpi->planes[0]=vf->dmpi->planes[0] + ass_top_margin * vf->dmpi->stride[0];
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;
142 static void blank(mp_image_t *mpi, int y1, int y2)
144 int color[3] = {16, 128, 128}; // black (YUV)
147 int chroma_rows = (y2 - y1) >> mpi->chroma_y_shift;
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];
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];
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];
166 static int prepare_image(struct vf_instance_s* vf, mp_image_t *mpi)
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; }
172 // we've used DR, so we're ready...
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
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);
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]);
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
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);
212 * \brief Copy specified rows from render_context.dmpi to render_context.planes, upsampling to 4:4:4
214 static void copy_from_image(struct vf_instance_s* vf, int first_row, int last_row)
221 first_row -= (first_row % 2);
222 last_row += (last_row % 2);
223 chroma_rows = (last_row - first_row) / 2;
225 assert(first_row >= 0);
226 assert(first_row <= last_row);
227 assert(last_row <= vf->priv->outh);
229 for (pl = 1; pl < 3; ++pl) {
230 int dst_stride = vf->priv->outw;
231 int src_stride = vf->dmpi->stride[pl];
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)
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) {
243 *(dst + k + 1) = val;
244 *(dst_next + k) = val;
245 *(dst_next + k + 1) = val;
249 dst = dst_next + dst_stride;
250 dst_next = dst + dst_stride;
253 for (i = first_row; i < last_row; ++i)
254 vf->priv->dirty_rows[i] = 1;
258 * \brief Copy all previously copied rows back to render_context.dmpi
260 static void copy_to_image(struct vf_instance_s* vf)
264 for (pl = 1; pl < 3; ++pl) {
265 int dst_stride = vf->dmpi->stride[pl];
266 int src_stride = vf->priv->outw;
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)
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) {
278 val += *(src + k + 1);
279 val += *(src_next + k);
280 val += *(src_next + k + 1);
281 *(dst + j) = val >> 2;
285 src = src_next + src_stride;
286 src_next = src + src_stride;
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)
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;
299 mp_image_t* dmpi = vf->dmpi;
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;
313 dsty += dmpi->stride[0];
314 dstu += vf->priv->outw;
315 dstv += vf->priv->outw;
319 static int render_frame(struct vf_instance_s* vf, mp_image_t *mpi, const ass_image_t* img)
322 memset(vf->priv->dirty_rows, 0, vf->priv->outh); // reset dirty rows
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);
334 static int put_image(struct vf_instance_s* vf, mp_image_t *mpi, double pts)
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);
340 prepare_image(vf, mpi);
341 if (images) render_frame(vf, mpi, images);
343 return vf_next_put_image(vf, vf->dmpi, pts);
346 static int query_format(struct vf_instance_s* vf, unsigned int fmt)
352 return vf_next_query_format(vf, vf->priv->outfmt);
357 static int control(vf_instance_t *vf, int request, void *data)
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);
365 case VFCTRL_DRAW_EOSD:
366 if (vf->priv->ass_priv) return CONTROL_TRUE;
369 return vf_next_control(vf, request, data);
372 static void uninit(struct vf_instance_s* vf)
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);
384 static const unsigned int fmt_list[]={
391 static int open(vf_instance_t *vf, char* args)
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))
403 if (vf->priv->auto_insert)
404 mp_msg(MSGT_ASS, MSGL_INFO, "[ass] auto-open\n");
407 vf->query_format = query_format;
409 vf->control = control;
410 vf->get_image = get_image;
411 vf->put_image = put_image;
412 vf->default_caps=VFCAP_EOSD;
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 }
422 static const m_struct_t vf_opts = {
424 sizeof(struct vf_priv_s),
429 const vf_info_t vf_info_ass = {
430 "Render ASS/SSA subtitles",