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https://github.com/mpv-player/mpv
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4010dd0b1a
The code in eosd_packer.c/.h is taken from vo_vdpau.c and has been made independent from vdpau API specifics. This allows other VOs, which need to pack the small EOSD images into a large surface for efficiency, to use this code.
72 lines
2.4 KiB
C
72 lines
2.4 KiB
C
/*
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* This file is part of mplayer2.
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*
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* mplayer2 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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* mplayer2 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 mplayer2; 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_EOSD_PACKER_H
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#define MPLAYER_EOSD_PACKER_H
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#include <inttypes.h>
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#include <stdbool.h>
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#include "sub/ass_mp.h"
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// Pool of surfaces
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struct eosd_surface {
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//void *native_surface;
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int w;
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int h;
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};
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struct eosd_rect {
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int x0, y0, x1, y1;
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};
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// List of surfaces to be rendered
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struct eosd_target {
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struct eosd_rect source; // position in EOSD surface
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struct eosd_rect dest; // position on screen
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uint32_t color; // libass-style color of the image
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// NOTE: This must not be accessed after you return from your VO's
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// VOCTRL_DRAW_EOSD call - libass will free or reuse the associated
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// memory. Feel free to set this to NULL to make erroneous accesses to
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// this member fail early.
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ASS_Image *ass_img;
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};
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struct eosd_packer {
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struct eosd_surface surface;
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struct eosd_target *targets;
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int targets_count; // number of valid elements in targets
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int targets_size; // number of allocated elements in targets
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uint32_t max_surface_width;
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uint32_t max_surface_height;
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int *scratch;
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};
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struct eosd_packer *eosd_packer_create(void *talloc_ctx);
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void eosd_packer_reinit(struct eosd_packer *state, uint32_t max_width,
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uint32_t max_height);
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void eosd_packer_generate(struct eosd_packer *state, mp_eosd_images_t *imgs,
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bool *out_need_reposition, bool *out_need_upload,
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bool *out_need_reallocate);
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bool eosd_packer_calculate_source_bb(struct eosd_packer *state,
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struct eosd_rect *out_bb);
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#endif /* MPLAYER_EOSD_PACKER_H */
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