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osd: make osd_ass_0/1 defines 

So we can concatenate them with strings at compile time.
This commit is contained in:
wm4 2016-05-03 22:29:12 +02:00
parent 5be40f035b
commit 485ae095f7
4 changed files with 11 additions and 13 deletions
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4
player/command.c
View File

@ -2764,8 +2764,8 @@ static int mp_property_osd_ass(void *ctx, struct m_property *prop,
int action, void *arg)
{
struct m_sub_property props[] = {
{"0", SUB_PROP_STR(osd_ass_0)},
{"1", SUB_PROP_STR(osd_ass_1)},
{"0", SUB_PROP_STR(OSD_ASS_0)},
{"1", SUB_PROP_STR(OSD_ASS_1)},
{0}
};
return m_property_read_sub(props, action, arg);

8
sub/osd.h
View File

@ -107,6 +107,12 @@ enum mp_osd_font_codepoints {
OSD_PB_1 = 0x13,
};
// Never valid UTF-8, so we expect it's free for use.
// Specially interpreted by osd_libass.c, in order to allow/escape ASS tags.
#define OSD_ASS_0 "\xFD"
#define OSD_ASS_1 "\xFE"
struct osd_style_opts {
char *font;
float font_size;
@ -200,7 +206,5 @@ void osd_set_external(struct osd_state *osd, void *id, int res_x, int res_y,
// doesn't need locking
void osd_get_function_sym(char *buffer, size_t buffer_size, int osd_function);
extern const char *const osd_ass_0;
extern const char *const osd_ass_1;
#endif /* MPLAYER_SUB_H */

3
sub/osd_dummy.c
View File

@ -6,9 +6,6 @@
#include "mpv_talloc.h"
#include "osd.h"
const char *const osd_ass_0 = "";
const char *const osd_ass_1 = "";
void osd_init_backend(struct osd_state *osd)
{
}

9
sub/osd_libass.c
View File

@ -179,13 +179,10 @@ static void clear_ass(struct ass_state *ass)
void osd_get_function_sym(char *buffer, size_t buffer_size, int osd_function)
{
// 0xFF is never valid UTF-8, so we can use it to escape OSD symbols.
// (Same trick as OSD_ASS_0/OSD_ASS_1.)
snprintf(buffer, buffer_size, "\xFF%c", osd_function);
}
// Same trick as above: never valid UTF-8, so we expect it's free for use.
const char *const osd_ass_0 = "\xFD";
const char *const osd_ass_1 = "\xFE";
static void mangle_ass(bstr *dst, const char *in)
{
bool escape_ass = true;
@ -198,8 +195,8 @@ static void mangle_ass(bstr *dst, const char *in)
in += 2;
continue;
}
if (*in == '\xFD' || *in == '\xFE') {
escape_ass = *in == '\xFE';
if (*in == OSD_ASS_0[0] || *in == OSD_ASS_1[0]) {
escape_ass = *in == OSD_ASS_1[0];
in += 1;
continue;
}