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🎥 Command line media player
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C
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364#ifndef MPLAYER_DRAW_BMP_H#define MPLAYER_DRAW_BMP_H
#include "osd.h"
struct mp_rect;struct mp_image;struct mpv_global;struct mp_draw_sub_cache;
struct mp_draw_sub_cache *mp_draw_sub_alloc(void *ta_parent, struct mpv_global *g);
// Only for use in tests.struct mp_draw_sub_cache *mp_draw_sub_alloc_test(struct mp_image *dst);
// Render the sub-bitmaps in sbs_list to dst. sbs_list must have been rendered// for an OSD resolution equivalent to dst's size (UB if not).// Warning: if dst is a format with alpha, and dst is not set to PL_ALPHA_PREMULTIPLIED// (not done by default), this will be extremely slow.// Warning: the caller is responsible for ensuring that dst is writable.// cache: allocated instance; caches non-changing OSD parts etc.// dst: image to draw to// sbs_list: source sub-bitmaps// returns: successbool mp_draw_sub_bitmaps(struct mp_draw_sub_cache *cache, struct mp_image *dst, struct sub_bitmap_list *sbs_list);
char *mp_draw_sub_get_dbg_info(struct mp_draw_sub_cache *c);
// Return a RGBA overlay with subtitles. The returned image uses IMGFMT_BGRA and// premultiplied alpha, and the size specified by sbs_list.w/h.// This can return a list of active (act_) and modified (mod_) rectangles.// Active rectangles are regions that contain visible OSD pixels. Modified// rectangles are regions that were changed since the last call. This function// always makes the act region a subset of the mod region. Rectangles within a// list never overlap with rectangles within the same list.// If num_mod_rcs==0 is returned, this function guarantees that the act region// did not change since the last call.// If the user-provided lists are too small (max_*_rcs too small), multiple// rectangles are merged until they fit in the list.// You can pass max_act_rcs=0, which implies you render the whole overlay.// cache: allocated instance; keeps track of changed regions// sbs_list: source sub-bitmaps// act_rcs: caller allocated list of non-transparent rectangles// max_act_rcs: number of allocated items in act_rcs// num_act_rcs: set to the number of valid items in act_rcs// mod_rcs, max_mod_rcs, num_mod_rcs: modified rectangles// returns: internal OSD overlay owned by cache, NULL on error// read only, valid until the next call on cachestruct mp_image *mp_draw_sub_overlay(struct mp_draw_sub_cache *cache, struct sub_bitmap_list *sbs_list, struct mp_rect *act_rcs, int max_act_rcs, int *num_act_rcs, struct mp_rect *mod_rcs, int max_mod_rcs, int *num_mod_rcs);
extern const bool mp_draw_sub_formats[SUBBITMAP_COUNT];
#endif /* MPLAYER_DRAW_BMP_H */
// vim: ts=4 sw=4 et tw=80