mirror of https://github.com/mpv-player/mpv
235 lines
6.8 KiB
C
235 lines
6.8 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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#ifndef MPLAYER_SUB_H
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#define MPLAYER_SUB_H
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#include <stddef.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include "options/m_option.h"
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// NOTE: VOs must support at least SUBBITMAP_RGBA.
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enum sub_bitmap_format {
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SUBBITMAP_EMPTY = 0,// no bitmaps; always has num_parts==0
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SUBBITMAP_LIBASS, // A8, with a per-surface blend color (libass.color)
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SUBBITMAP_RGBA, // B8G8R8A8 (MSB=A, LSB=B), scaled, premultiplied alpha
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SUBBITMAP_INDEXED, // scaled, bitmap points to osd_bmp_indexed
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SUBBITMAP_COUNT
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};
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// For SUBBITMAP_INDEXED
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struct osd_bmp_indexed {
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uint8_t *bitmap;
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// Each entry is like a pixel in SUBBITMAP_RGBA format, but using straight
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// alpha.
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uint32_t palette[256];
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};
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struct sub_bitmap {
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void *bitmap;
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int stride;
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// Note: not clipped, going outside the screen area is allowed
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// (except for SUBBITMAP_LIBASS, which is always clipped)
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int w, h;
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int x, y;
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int dw, dh;
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struct {
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uint32_t color;
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} libass;
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};
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struct sub_bitmaps {
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// For VO cache state (limited by MAX_OSD_PARTS)
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int render_index;
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enum sub_bitmap_format format;
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// If false, dw==w && dh==h.
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// SUBBITMAP_LIBASS is never scaled.
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bool scaled;
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struct sub_bitmap *parts;
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int num_parts;
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// Incremented on each change
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int bitmap_id, bitmap_pos_id;
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};
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struct mp_osd_res {
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int w, h; // screen dimensions, including black borders
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int mt, mb, ml, mr; // borders (top, bottom, left, right)
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double display_par;
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};
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enum mp_osdtype {
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OSDTYPE_SUB,
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OSDTYPE_SUB2,
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OSDTYPE_NAV_HIGHLIGHT, // dvdnav fake highlights
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OSDTYPE_PROGBAR,
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OSDTYPE_OSD,
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OSDTYPE_EXTERNAL,
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OSDTYPE_EXTERNAL2,
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MAX_OSD_PARTS
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};
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// Start of OSD symbols in osd_font.pfb
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#define OSD_CODEPOINTS 0xE000
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// OSD symbols. osd_font.pfb has them starting from codepoint OSD_CODEPOINTS.
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// Symbols with a value >= 32 are normal unicode codepoints.
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enum mp_osd_font_codepoints {
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OSD_PLAY = 0x01,
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OSD_PAUSE = 0x02,
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OSD_STOP = 0x03,
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OSD_REW = 0x04,
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OSD_FFW = 0x05,
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OSD_CLOCK = 0x06,
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OSD_CONTRAST = 0x07,
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OSD_SATURATION = 0x08,
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OSD_VOLUME = 0x09,
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OSD_BRIGHTNESS = 0x0A,
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OSD_HUE = 0x0B,
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OSD_BALANCE = 0x0C,
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OSD_PANSCAN = 0x50,
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OSD_PB_START = 0x10,
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OSD_PB_0 = 0x11,
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OSD_PB_END = 0x12,
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OSD_PB_1 = 0x13,
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};
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struct osd_style_opts {
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char *font;
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float font_size;
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struct m_color color;
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struct m_color border_color;
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struct m_color shadow_color;
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struct m_color back_color;
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float border_size;
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float shadow_offset;
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float spacing;
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int margin_x;
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int margin_y;
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float blur;
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};
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extern const struct m_sub_options osd_style_conf;
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struct osd_state;
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struct osd_object;
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struct mpv_global;
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struct osd_state *osd_create(struct mpv_global *global);
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void osd_changed(struct osd_state *osd, int new_value);
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void osd_changed_all(struct osd_state *osd);
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void osd_free(struct osd_state *osd);
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bool osd_query_and_reset_want_redraw(struct osd_state *osd);
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double osd_get_vo_pts(struct osd_state *osd);
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void osd_set_vo_pts(struct osd_state *osd, double vo_pts);
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void osd_set_text(struct osd_state *osd, int obj, const char *text);
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struct osd_sub_state {
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struct dec_sub *dec_sub;
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double video_offset;
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bool render_bitmap_subs;
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};
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void osd_set_sub(struct osd_state *osd, int obj, struct osd_sub_state *substate);
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void osd_get_sub(struct osd_state *osd, int obj, struct osd_sub_state *substate);
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bool osd_get_render_subs_in_filter(struct osd_state *osd);
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void osd_set_render_subs_in_filter(struct osd_state *osd, bool s);
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struct osd_progbar_state {
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int type; // <0: disabled, 1-255: symbol, else: no symbol
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float value; // range 0.0-1.0
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float *stops; // used for chapter indicators (0.0-1.0 each)
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int num_stops;
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};
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void osd_set_progbar(struct osd_state *osd, struct osd_progbar_state *s);
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void osd_set_external(struct osd_state *osd, int res_x, int res_y, char *text);
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void osd_set_external2(struct osd_state *osd, struct sub_bitmaps *imgs);
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void osd_set_nav_highlight(struct osd_state *osd, void *priv);
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enum mp_osd_draw_flags {
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OSD_DRAW_SUB_FILTER = (1 << 0),
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OSD_DRAW_SUB_ONLY = (1 << 1),
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};
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void osd_draw(struct osd_state *osd, struct mp_osd_res res,
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double video_pts, int draw_flags,
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const bool formats[SUBBITMAP_COUNT],
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void (*cb)(void *ctx, struct sub_bitmaps *imgs), void *cb_ctx);
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struct mp_image;
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bool osd_draw_on_image(struct osd_state *osd, struct mp_osd_res res,
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double video_pts, int draw_flags, struct mp_image *dest);
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struct mp_image_pool;
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void osd_draw_on_image_p(struct osd_state *osd, struct mp_osd_res res,
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double video_pts, int draw_flags,
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struct mp_image_pool *pool, struct mp_image *dest);
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struct mp_image_params;
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struct mp_osd_res osd_res_from_image_params(const struct mp_image_params *p);
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void osd_object_get_scale_factor(struct osd_state *osd, int obj,
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double *sw, double *sh);
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void osd_coords_to_video(struct osd_state *osd, int frame_w, int frame_h,
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int *x, int *y);
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struct mp_osd_res osd_get_vo_res(struct osd_state *osd, int obj);
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void osd_rescale_bitmaps(struct sub_bitmaps *imgs, int frame_w, int frame_h,
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struct mp_osd_res res, double compensate_par);
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// defined in osd_libass.c and osd_dummy.c
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// internal use only
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void osd_object_get_bitmaps(struct osd_state *osd, struct osd_object *obj,
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struct sub_bitmaps *out_imgs);
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void osd_init_backend(struct osd_state *osd);
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void osd_destroy_backend(struct osd_state *osd);
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// doesn't need locking
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void osd_get_function_sym(char *buffer, size_t buffer_size, int osd_function);
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// defined in backend, but locks if required
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void osd_object_get_resolution(struct osd_state *osd, int obj,
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int *out_w, int *out_h);
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// defined in player
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void mp_nav_get_highlight(void *priv, struct mp_osd_res res,
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struct sub_bitmaps *out_imgs);
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#endif /* MPLAYER_SUB_H */
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