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mpv
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osd_libass: allocate separate ASS_Library for OSD 

osd_libass.c used the same ASS_Library object as the player core. This
caused a problem: when playing a new file, all fonts loaded by the
ASS_Library object were unloaded, including the OSD font. Parts of the
OSD would stop being rendered correctly.

Solve this by creating a separate ASS_Library, with its own set of
fonts.
This commit is contained in:
wm4 2012-08-07 02:12:15 +02:00
parent 0268b1a445
commit 7484ae8e2e
4 changed files with 10 additions and 6 deletions
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2
mplayer.c
View File

@ -4286,7 +4286,7 @@ int main(int argc, char *argv[])
mpctx->ass_library = mp_ass_init(opts);
#endif
mpctx->osd = osd_create(opts, mpctx->ass_library);
mpctx->osd = osd_create(opts);
init_input(mpctx);

8
sub/osd_libass.c
View File

@ -44,6 +44,7 @@ static const char osd_font_pfb[] =
void osd_init_backend(struct osd_state *osd)
{
osd->ass_library = mp_ass_init(osd->opts);
ass_add_font(osd->ass_library, "OSD", (void *)osd_font_pfb,
sizeof(osd_font_pfb) - 1);
@ -54,9 +55,12 @@ void osd_init_backend(struct osd_state *osd)
void osd_destroy_backend(struct osd_state *osd)
{
if (osd && osd->osd_render) {
ass_renderer_done(osd->osd_render);
if (osd) {
if (osd->osd_render)
ass_renderer_done(osd->osd_render);
osd->osd_render = NULL;
ass_library_done(osd->ass_library);
osd->ass_library = NULL;
}
}

4
sub/sub.c
View File

@ -36,6 +36,7 @@
#include "mp_msg.h"
#include "libvo/video_out.h"
#include "sub.h"
#include "sub/ass_mp.h"
#include "spudec.h"
@ -303,12 +304,11 @@ int osd_update(struct osd_state *osd, int dxs, int dys)
return osd_update_ext(osd, dxs, dys, 0, 0, 0, 0, dxs, dys);
}
struct osd_state *osd_create(struct MPOpts *opts, struct ass_library *asslib)
struct osd_state *osd_create(struct MPOpts *opts)
{
struct osd_state *osd = talloc_zero(NULL, struct osd_state);
*osd = (struct osd_state){
.opts = opts,
.ass_library = asslib,
};
if(!draw_alpha_init_flag){
draw_alpha_init_flag=1;

2
sub/sub.h
View File

@ -161,7 +161,7 @@ void osd_draw_text_ext(struct osd_state *osd, int dxs, int dys,
int stride),
void *ctx);
struct osd_state *osd_create(struct MPOpts *opts, struct ass_library *asslib);
struct osd_state *osd_create(struct MPOpts *opts);
void osd_set_text(struct osd_state *osd, const char *text);
int osd_update(struct osd_state *osd, int dxs, int dys);
void vo_osd_changed(int new_value);