mirror of https://github.com/mpv-player/mpv
sub: enable sub-pos with libass
The --sub-pos option and sub-pos property control the vertical position of a subtitle. Also change how sub-pos is handled in the old subtitle renderer (used with -no-ass). The new behavior doesn't render subtitles out of the screen if the subtitle is located near the top screen border and has too many lines.
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@ -232,6 +232,9 @@ void mp_ass_configure(ASS_Renderer *priv, struct MPOpts *opts,
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ass_set_frame_size(priv, dim->w, dim->h);
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ass_set_margins(priv, dim->mt, dim->mb, dim->ml, dim->mr);
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ass_set_use_margins(priv, opts->ass_use_margins);
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#if LIBASS_VERSION >= 0x01010000
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ass_set_line_position(priv, 100 - sub_pos);
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#endif
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ass_set_font_scale(priv, opts->ass_font_scale);
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if (!unscaled && (opts->ass_hinting & 4))
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hinting = 0;
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@ -345,8 +345,10 @@ void vo_update_text_sub(struct osd_state *osd, mp_osd_obj_t* obj)
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ASS_Style *style = obj->osd_track->styles + obj->osd_track->default_style;
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style->MarginV = obj->osd_track->PlayResY * ((100 - sub_pos)/110.0);
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update_font_scale(obj->osd_track, style, text_font_scale_factor);
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#if LIBASS_VERSION >= 0x01010000
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ass_set_line_position(osd->osd_render, 100 - sub_pos);
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#endif
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char *text = talloc_strdup(NULL, "");
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