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options: allow selecting the libass shaper

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I'm using the word "languages" instead of "scripts" in the manpage, but
I think that's easier to understand with a smaller amount of
descriptions.
This commit is contained in:
wm4 2013-09-25 21:42:29 +02:00
parent 1e4f08c50c
commit 72fbd846db
4 changed files with 16 additions and 0 deletions
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9
DOCS/man/en/options.rst
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@ -140,6 +140,15 @@
``--ass-line-spacing=<value>``
Set line spacing value for SSA/ASS renderer.
``--ass-shaper=simple|complex``
Set the text layout engine used by libass.
:simple: uses Fribidi only, fast, doesn't render some languages correctly
:complex: uses HarfBuzz, slower, wider language support
``complex`` is the default. If libass hasn't been compiled against HarfBuzz,
libass silently reverts to ``simple``.
``--ass-styles=<filename>``
Load all SSA/ASS styles found in the specified file and use them for
rendering text subtitles. The syntax of the file is exactly like the ``[V4

3
mpvcore/options.c
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@ -540,6 +540,8 @@ const m_option_t mp_opts[] = {
OPT_STRING("ass-styles", ass_styles_file, 0),
OPT_CHOICE("ass-hinting", ass_hinting, 0,
({"none", 0}, {"light", 1}, {"normal", 2}, {"native", 3})),
OPT_CHOICE("ass-shaper", ass_shaper, 0,
({"simple", 0}, {"complex", 1})),
OPT_CHOICE("ass-style-override", ass_style_override, 0,
({"no", 0}, {"yes", 1})),
OPT_FLAG("osd-bar", osd_bar_visible, 0),
@ -829,6 +831,7 @@ const struct MPOpts mp_default_opts = {
.ass_vsfilter_color_compat = 1,
.ass_vsfilter_blur_compat = 1,
.ass_style_override = 1,
.ass_shaper = 1,
.use_embedded_fonts = 1,
.suboverlap_enabled = 0,
#ifdef CONFIG_ENCA

1
mpvcore/options.h
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@ -202,6 +202,7 @@ typedef struct MPOpts {
char *ass_styles_file;
int ass_style_override;
int ass_hinting;
int ass_shaper;
int hwdec_api;
char *hwdec_codecs;

3
sub/ass_mp.c
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@ -138,6 +138,9 @@ void mp_ass_configure(ASS_Renderer *priv, struct MPOpts *opts,
ass_set_use_margins(priv, set_use_margins);
#if LIBASS_VERSION >= 0x01010000
ass_set_line_position(priv, set_sub_pos);
#endif
#if LIBASS_VERSION >= 0x01000000
ass_set_shaper(priv, opts->ass_shaper);
#endif
ass_set_font_scale(priv, set_font_scale);
ass_set_hinting(priv, set_hinting);