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mpv/sub/img_convert.h
wm4 3365514951 sub: allow rendering OSD in ASS image format directly, simplify
Before this commit, the OSD was drawn using libass, but the resulting
bitmaps were converted to the internal mplayer OSD format. We want to
get rid of the old OSD format, because it's monochrome, and can't even
be rendered directly using modern video output methods (like with
OpenGL/Direct3D/VDPAU).

Change it so that VOs can get the ASS images directly, without
additional conversions. (This also has the consequence that the OSD can
render colors now.) Currently, this is vo_gl3 only. The other VOs still
use the old method. Also, the old OSD format is still used for all VOs
with DVD subtitles (spudec).

Rewrite sub.c. Remove all the awkward flags and bounding boxes and
change detection things. It turns out that much of that isn't needed.

Move code related to converting subtitle images to img_convert.c. (It
has to be noted that all of these conversions were already done before
in some places, and that the new code actually makes less use of them.)
2012-10-16 07:26:30 +02:00

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C

#ifndef MPLAYER_SUB_IMG_CONVERT_H
#define MPLAYER_SUB_IMG_CONVERT_H
#include <stdbool.h>
struct osd_conv_cache;
struct sub_bitmaps;
struct osd_conv_cache *osd_conv_cache_new(void);
// These functions convert from one OSD format to another. On success, they copy
// the converted image data into c, and change imgs to point to the data.
bool osd_conv_old_p_to_old(struct osd_conv_cache *c, struct sub_bitmaps *imgs);
bool osd_conv_ass_to_old_p(struct osd_conv_cache *c, struct sub_bitmaps *imgs);
#endif