mirror of https://github.com/mpv-player/mpv
503 lines
14 KiB
C
503 lines
14 KiB
C
/*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "config.h"
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#if HAVE_MALLOC_H
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#include <malloc.h>
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#endif
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#include "stream/stream.h"
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#include "stream/stream_dvdnav.h"
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#define OSD_NAV_BOX_ALPHA 0x7f
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#include "libmpcodecs/dec_teletext.h"
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#include "osdep/timer.h"
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#include "talloc.h"
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#include "mplayer.h"
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#include "mp_msg.h"
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#include "libvo/video_out.h"
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#include "sub.h"
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#include "spudec.h"
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#include "libavutil/common.h"
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char * const sub_osd_names[]={
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_("Seekbar"),
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_("Play"),
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_("Pause"),
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_("Stop"),
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_("Rewind"),
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_("Forward"),
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_("Clock"),
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_("Contrast"),
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_("Saturation"),
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_("Volume"),
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_("Brightness"),
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_("Hue"),
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_("Balance")
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};
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char * const sub_osd_names_short[] ={ "", "|>", "||", "[]", "<<" , ">>", "", "", "", "", "", "", "" };
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void* vo_osd_teletext_page=NULL;
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int vo_osd_teletext_half = 0;
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int vo_osd_teletext_mode=0;
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int vo_osd_teletext_format=0;
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int sub_unicode=0;
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int sub_utf8=0;
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int sub_pos=100;
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int sub_width_p=100;
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int sub_alignment=2; /* 0=top, 1=center, 2=bottom */
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int sub_visibility=1;
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int sub_bg_color=0; /* subtitles background color */
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int sub_bg_alpha=0;
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int sub_justify=0;
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#ifdef CONFIG_DVDNAV
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static nav_highlight_t nav_hl;
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#endif
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int vo_osd_progbar_type=-1;
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int vo_osd_progbar_value=100; // 0..256
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subtitle* vo_sub=NULL;
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char *subtitle_font_encoding = NULL;
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float text_font_scale_factor = 3.5;
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float osd_font_scale_factor = 4.0;
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float subtitle_font_radius = 2.0;
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float subtitle_font_thickness = 2.0;
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// 0 = no autoscale
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// 1 = video height
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// 2 = video width
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// 3 = diagonal
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int subtitle_autoscale = 3;
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char *font_name = NULL;
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char *sub_font_name = NULL;
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float font_factor = 0.75;
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float sub_delay = 0;
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float sub_fps = 0;
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// renders char to a big per-object buffer where alpha and bitmap are separated
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void draw_alpha_buf(mp_osd_obj_t* obj, int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)
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{
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int dststride = obj->stride;
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int dstskip = obj->stride-w;
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int srcskip = stride-w;
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int i, j;
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unsigned char *b = obj->bitmap_buffer + (y0-obj->bbox.y1)*dststride + (x0-obj->bbox.x1);
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unsigned char *a = obj->alpha_buffer + (y0-obj->bbox.y1)*dststride + (x0-obj->bbox.x1);
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unsigned char *bs = src;
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unsigned char *as = srca;
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if (x0 < obj->bbox.x1 || x0+w > obj->bbox.x2 || y0 < obj->bbox.y1 || y0+h > obj->bbox.y2) {
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fprintf(stderr, "osd text out of range: bbox [%d %d %d %d], txt [%d %d %d %d]\n",
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obj->bbox.x1, obj->bbox.x2, obj->bbox.y1, obj->bbox.y2,
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x0, x0+w, y0, y0+h);
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return;
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}
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for (i = 0; i < h; i++) {
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for (j = 0; j < w; j++, b++, a++, bs++, as++) {
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if (*b < *bs) *b = *bs;
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if (*as) {
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if (*a == 0 || *a > *as) *a = *as;
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}
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}
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b+= dstskip;
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a+= dstskip;
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bs+= srcskip;
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as+= srcskip;
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}
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}
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// allocates/enlarges the alpha/bitmap buffer
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void osd_alloc_buf(mp_osd_obj_t* obj)
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{
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int len;
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if (obj->bbox.x2 < obj->bbox.x1) obj->bbox.x2 = obj->bbox.x1;
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if (obj->bbox.y2 < obj->bbox.y1) obj->bbox.y2 = obj->bbox.y1;
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obj->stride = ((obj->bbox.x2-obj->bbox.x1)+7)&(~7);
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len = obj->stride*(obj->bbox.y2-obj->bbox.y1);
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if (obj->allocated<len) {
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obj->allocated = len;
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free(obj->bitmap_buffer);
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free(obj->alpha_buffer);
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obj->bitmap_buffer = memalign(16, len);
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obj->alpha_buffer = memalign(16, len);
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}
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memset(obj->bitmap_buffer, sub_bg_color, len);
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memset(obj->alpha_buffer, sub_bg_alpha, len);
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}
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// renders the buffer
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void vo_draw_text_from_buffer(mp_osd_obj_t* obj,void (*draw_alpha)(void *ctx, int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride), void *ctx)
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{
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if (obj->allocated > 0) {
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draw_alpha(ctx,
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obj->bbox.x1,obj->bbox.y1,
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obj->bbox.x2-obj->bbox.x1,
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obj->bbox.y2-obj->bbox.y1,
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obj->bitmap_buffer,
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obj->alpha_buffer,
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obj->stride);
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}
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}
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unsigned utf8_get_char(const char **str) {
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const uint8_t *strp = (const uint8_t *)*str;
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unsigned c;
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GET_UTF8(c, *strp++, goto no_utf8;);
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*str = (const char *)strp;
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return c;
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no_utf8:
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strp = (const uint8_t *)*str;
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c = *strp++;
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*str = (const char *)strp;
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return c;
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}
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#ifdef CONFIG_DVDNAV
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void osd_set_nav_box (uint16_t sx, uint16_t sy, uint16_t ex, uint16_t ey) {
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nav_hl.sx = sx;
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nav_hl.sy = sy;
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nav_hl.ex = ex;
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nav_hl.ey = ey;
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}
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inline static void vo_update_nav (mp_osd_obj_t *obj, int dxs, int dys, int left_border, int top_border,
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int right_border, int bottom_border, int orig_w, int orig_h) {
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int len;
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int sx = nav_hl.sx, sy = nav_hl.sy;
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int ex = nav_hl.ex, ey = nav_hl.ey;
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int scaled_w = dxs - left_border - right_border;
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int scaled_h = dys - top_border - bottom_border;
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if (scaled_w != orig_w) {
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sx = sx * scaled_w / orig_w;
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ex = ex * scaled_w / orig_w;
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}
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if (scaled_h != orig_h) {
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sy = sy * scaled_h / orig_h;
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ey = ey * scaled_h / orig_h;
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}
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sx += left_border; ex += left_border;
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sy += top_border; ey += top_border;
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sx = FFMIN(FFMAX(sx, 0), dxs);
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ex = FFMIN(FFMAX(ex, 0), dxs);
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sy = FFMIN(FFMAX(sy, 0), dys);
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ey = FFMIN(FFMAX(ey, 0), dys);
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obj->bbox.x1 = obj->x = sx;
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obj->bbox.y1 = obj->y = sy;
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obj->bbox.x2 = ex;
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obj->bbox.y2 = ey;
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osd_alloc_buf (obj);
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len = obj->stride * (obj->bbox.y2 - obj->bbox.y1);
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memset (obj->bitmap_buffer, OSD_NAV_BOX_ALPHA, len);
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memset (obj->alpha_buffer, OSD_NAV_BOX_ALPHA, len);
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obj->flags |= OSDFLAG_BBOX | OSDFLAG_CHANGED;
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if (obj->bbox.y2 > obj->bbox.y1 && obj->bbox.x2 > obj->bbox.x1)
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obj->flags |= OSDFLAG_VISIBLE;
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}
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#endif
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inline static void vo_update_spudec_sub(struct osd_state *osd, mp_osd_obj_t* obj)
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{
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unsigned int bbox[4];
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spudec_calc_bbox(vo_spudec, osd->w, osd->h, bbox);
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obj->bbox.x1 = bbox[0];
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obj->bbox.x2 = bbox[1];
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obj->bbox.y1 = bbox[2];
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obj->bbox.y2 = bbox[3];
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obj->flags |= OSDFLAG_BBOX;
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}
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inline static void vo_draw_spudec_sub(mp_osd_obj_t* obj, void (*draw_alpha)(void *ctx, int x0, int y0, int w, int h, unsigned char* src, unsigned char* srca, int stride), void *ctx)
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{
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spudec_draw_scaled(vo_spudec, obj->dxs, obj->dys, draw_alpha, ctx);
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}
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void *vo_spudec=NULL;
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void *vo_vobsub=NULL;
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static int draw_alpha_init_flag=0;
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void vo_draw_alpha_init(void);
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mp_osd_obj_t* vo_osd_list=NULL;
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static mp_osd_obj_t* new_osd_obj(int type){
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mp_osd_obj_t* osd=malloc(sizeof(mp_osd_obj_t));
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memset(osd,0,sizeof(mp_osd_obj_t));
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osd->next=vo_osd_list;
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vo_osd_list=osd;
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osd->type=type;
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osd->alpha_buffer = NULL;
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osd->bitmap_buffer = NULL;
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osd->allocated = -1;
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return osd;
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}
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void osd_free(struct osd_state *osd)
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{
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osd_destroy_backend(osd);
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mp_osd_obj_t* obj=vo_osd_list;
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while(obj){
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mp_osd_obj_t* next=obj->next;
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free(obj->alpha_buffer);
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free(obj->bitmap_buffer);
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free(obj);
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obj=next;
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}
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vo_osd_list=NULL;
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talloc_free(osd);
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}
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static int osd_update_ext(struct osd_state *osd, int dxs, int dys,
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int left_border, int top_border, int right_border,
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int bottom_border, int orig_w, int orig_h)
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{
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mp_osd_obj_t* obj=vo_osd_list;
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int chg=0;
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osd->w = dxs;
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osd->h = dys;
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osd_font_load(osd);
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while(obj){
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if(dxs!=obj->dxs || dys!=obj->dys || obj->flags&OSDFLAG_FORCE_UPDATE){
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int vis=obj->flags&OSDFLAG_VISIBLE;
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obj->flags&=~OSDFLAG_BBOX;
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switch(obj->type){
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#ifdef CONFIG_DVDNAV
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case OSDTYPE_DVDNAV:
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vo_update_nav(obj,dxs,dys, left_border, top_border, right_border, bottom_border, orig_w, orig_h);
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break;
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#endif
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case OSDTYPE_SUBTITLE:
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vo_update_text_sub(osd, obj);
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break;
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case OSDTYPE_TELETEXT:
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vo_update_text_teletext(osd, obj);
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break;
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case OSDTYPE_PROGBAR:
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vo_update_text_progbar(osd, obj);
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break;
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case OSDTYPE_SPU:
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if(sub_visibility && vo_spudec && spudec_visible(vo_spudec)){
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vo_update_spudec_sub(osd, obj);
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obj->flags|=OSDFLAG_VISIBLE|OSDFLAG_CHANGED;
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}
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else
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obj->flags&=~OSDFLAG_VISIBLE;
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break;
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case OSDTYPE_OSD:
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if(osd->osd_text[0]){
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vo_update_text_osd(osd, obj);
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obj->flags|=OSDFLAG_VISIBLE|OSDFLAG_CHANGED;
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} else
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obj->flags&=~OSDFLAG_VISIBLE;
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break;
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}
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// check bbox:
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if(!(obj->flags&OSDFLAG_BBOX)){
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// we don't know, so assume the whole screen changed :(
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obj->bbox.x1=obj->bbox.y1=0;
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obj->bbox.x2=dxs;
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obj->bbox.y2=dys;
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obj->flags|=OSDFLAG_BBOX;
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} else {
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// check bbox, reduce it if it's out of bounds (corners):
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if(obj->bbox.x1<0) obj->bbox.x1=0;
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if(obj->bbox.y1<0) obj->bbox.y1=0;
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if(obj->bbox.x2>dxs) obj->bbox.x2=dxs;
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if(obj->bbox.y2>dys) obj->bbox.y2=dys;
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if(obj->flags&OSDFLAG_VISIBLE)
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// debug:
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mp_msg(MSGT_OSD,MSGL_DBG2,"OSD update: %d;%d %dx%d \n",
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obj->bbox.x1,obj->bbox.y1,obj->bbox.x2-obj->bbox.x1,
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obj->bbox.y2-obj->bbox.y1);
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}
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// check if visibility changed:
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if(vis != (obj->flags&OSDFLAG_VISIBLE) ) obj->flags|=OSDFLAG_CHANGED;
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// remove the cause of automatic update:
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obj->dxs=dxs; obj->dys=dys;
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obj->flags&=~OSDFLAG_FORCE_UPDATE;
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}
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if(obj->flags&OSDFLAG_CHANGED){
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chg|=1<<obj->type;
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mp_msg(MSGT_OSD,MSGL_DBG2,"OSD chg: %d V: %s pb:%d \n",obj->type,(obj->flags&OSDFLAG_VISIBLE)?"yes":"no",vo_osd_progbar_type);
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}
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obj=obj->next;
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}
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return chg;
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}
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int osd_update(struct osd_state *osd, int dxs, int dys)
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{
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return osd_update_ext(osd, dxs, dys, 0, 0, 0, 0, dxs, dys);
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}
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struct osd_state *osd_create(struct MPOpts *opts, struct ass_library *asslib)
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{
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struct osd_state *osd = talloc_zero(NULL, struct osd_state);
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*osd = (struct osd_state){
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.opts = opts,
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.ass_library = asslib,
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};
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if(!draw_alpha_init_flag){
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draw_alpha_init_flag=1;
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vo_draw_alpha_init();
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}
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// temp hack, should be moved to mplayer later
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new_osd_obj(OSDTYPE_OSD);
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new_osd_obj(OSDTYPE_SUBTITLE);
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new_osd_obj(OSDTYPE_PROGBAR);
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new_osd_obj(OSDTYPE_SPU);
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#ifdef CONFIG_DVDNAV
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new_osd_obj(OSDTYPE_DVDNAV);
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#endif
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new_osd_obj(OSDTYPE_TELETEXT);
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osd_font_invalidate();
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osd_set_text(osd, NULL);
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osd_init_backend(osd);
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return osd;
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}
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void osd_set_text(struct osd_state *osd, const char *text) {
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talloc_free(osd->osd_text);
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//osd->text must never be NULL
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if (!text)
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text = "";
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osd->osd_text = talloc_strdup(osd, text);
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}
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int vo_osd_changed_flag=0;
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void osd_remove_text(struct osd_state *osd, int dxs, int dys,
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void (*remove)(int x0, int y0, int w, int h))
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{
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mp_osd_obj_t* obj=vo_osd_list;
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osd_update(osd, dxs, dys);
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while(obj){
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if(((obj->flags&OSDFLAG_CHANGED) || (obj->flags&OSDFLAG_VISIBLE)) &&
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(obj->flags&OSDFLAG_OLD_BBOX)){
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int w=obj->old_bbox.x2-obj->old_bbox.x1;
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int h=obj->old_bbox.y2-obj->old_bbox.y1;
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if(w>0 && h>0){
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vo_osd_changed_flag=obj->flags&OSDFLAG_CHANGED; // temp hack
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remove(obj->old_bbox.x1,obj->old_bbox.y1,w,h);
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}
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// obj->flags&=~OSDFLAG_OLD_BBOX;
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}
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obj=obj->next;
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}
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}
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void osd_draw_text_ext(struct osd_state *osd, int dxs, int dys,
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int left_border, int top_border, int right_border,
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int bottom_border, int orig_w, int orig_h,
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void (*draw_alpha)(void *ctx, int x0, int y0, int w,
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int h, unsigned char* src,
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unsigned char *srca,
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int stride),
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void *ctx)
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{
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mp_osd_obj_t* obj=vo_osd_list;
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osd_update_ext(osd, dxs, dys, left_border, top_border, right_border,
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bottom_border, orig_w, orig_h);
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while(obj){
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if(obj->flags&OSDFLAG_VISIBLE){
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vo_osd_changed_flag=obj->flags&OSDFLAG_CHANGED; // temp hack
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switch(obj->type){
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case OSDTYPE_SPU:
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vo_draw_spudec_sub(obj, draw_alpha, ctx); // FIXME
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break;
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#ifdef CONFIG_DVDNAV
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case OSDTYPE_DVDNAV:
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#endif
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case OSDTYPE_TELETEXT:
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case OSDTYPE_OSD:
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case OSDTYPE_SUBTITLE:
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case OSDTYPE_PROGBAR:
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vo_draw_text_from_buffer(obj, draw_alpha, ctx);
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break;
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}
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obj->old_bbox=obj->bbox;
|
|
obj->flags|=OSDFLAG_OLD_BBOX;
|
|
}
|
|
obj->flags&=~OSDFLAG_CHANGED;
|
|
obj=obj->next;
|
|
}
|
|
}
|
|
|
|
void osd_draw_text(struct osd_state *osd, int dxs, int dys,
|
|
void (*draw_alpha)(void *ctx, int x0, int y0, int w, int h,
|
|
unsigned char* src, unsigned char *srca,
|
|
int stride),
|
|
void *ctx)
|
|
{
|
|
osd_draw_text_ext(osd, dxs, dys, 0, 0, 0, 0, dxs, dys, draw_alpha, ctx);
|
|
}
|
|
|
|
static int vo_osd_changed_status = 0;
|
|
|
|
int vo_osd_changed(int new_value)
|
|
{
|
|
mp_osd_obj_t* obj=vo_osd_list;
|
|
int ret = vo_osd_changed_status;
|
|
vo_osd_changed_status = new_value;
|
|
|
|
while(obj){
|
|
if(obj->type==new_value) obj->flags|=OSDFLAG_FORCE_UPDATE;
|
|
obj=obj->next;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
void vo_osd_resized()
|
|
{
|
|
// font needs to be adjusted
|
|
osd_font_invalidate();
|
|
// OSD needs to be drawn fresh for new size
|
|
vo_osd_changed(OSDTYPE_OSD);
|
|
vo_osd_changed(OSDTYPE_SUBTITLE);
|
|
}
|
|
|
|
// return TRUE if we have osd in the specified rectangular area:
|
|
int vo_osd_check_range_update(int x1,int y1,int x2,int y2){
|
|
mp_osd_obj_t* obj=vo_osd_list;
|
|
while(obj){
|
|
if(obj->flags&OSDFLAG_VISIBLE){
|
|
if( (obj->bbox.x1<=x2 && obj->bbox.x2>=x1) &&
|
|
(obj->bbox.y1<=y2 && obj->bbox.y2>=y1) &&
|
|
obj->bbox.y2 > obj->bbox.y1 && obj->bbox.x2 > obj->bbox.x1
|
|
) return 1;
|
|
}
|
|
obj=obj->next;
|
|
}
|
|
return 0;
|
|
}
|