From 8d4a179c144cb3e36762b2c3cef55d1d3bb9f951 Mon Sep 17 00:00:00 2001 From: wm4 Date: Sat, 26 Dec 2015 18:34:18 +0100 Subject: sub: always recreate ASS_Renderer on subtitle decoder reinit This includes the case of switching ordered chapter boundaries. It will now be recreated on each timeline part switch. This shouldn't be much of a problem with modern libass. (Older libass versions use fontconfig for memory fonts, and will be very slow to reinitialize memory fonts.) --- sub/sd_ass.c | 83 ++++++++++++++++++++++++++++++++++++++++++++++++------------ 1 file changed, 67 insertions(+), 16 deletions(-) (limited to 'sub/sd_ass.c') diff --git a/sub/sd_ass.c b/sub/sd_ass.c index 16275207b7..5a6be1bf1b 100644 --- a/sub/sd_ass.c +++ b/sub/sd_ass.c @@ -29,7 +29,7 @@ #include "options/options.h" #include "common/common.h" #include "common/msg.h" -#include "demux/stheader.h" +#include "demux/demux.h" #include "video/csputils.h" #include "video/mp_image.h" #include "dec_sub.h" @@ -37,6 +37,8 @@ #include "sd.h" struct sd_ass_priv { + struct ass_library *ass_library; + struct ass_renderer *ass_renderer; struct ass_track *ass_track; struct ass_track *shadow_track; // for --sub-ass=no rendering bool is_converted; @@ -78,6 +80,51 @@ static void mp_ass_add_default_styles(ASS_Track *track, struct MPOpts *opts) ass_process_force_style(track); } +static const char *const font_mimetypes[] = { + "application/x-truetype-font", + "application/vnd.ms-opentype", + "application/x-font-ttf", + "application/x-font", // probably incorrect + NULL +}; + +static const char *const font_exts[] = {".ttf", ".ttc", ".otf", NULL}; + +static bool attachment_is_font(struct mp_log *log, struct demux_attachment *f) +{ + if (!f->name || !f->type || !f->data || !f->data_size) + return false; + for (int n = 0; font_mimetypes[n]; n++) { + if (strcmp(font_mimetypes[n], f->type) == 0) + return true; + } + // fallback: match against file extension + char *ext = strlen(f->name) > 4 ? f->name + strlen(f->name) - 4 : ""; + for (int n = 0; font_exts[n]; n++) { + if (strcasecmp(ext, font_exts[n]) == 0) { + mp_warn(log, "Loading font attachment '%s' with MIME type %s. " + "Assuming this is a broken Matroska file, which was " + "muxed without setting a correct font MIME type.\n", + f->name, f->type); + return true; + } + } + return false; +} + +static void add_subtitle_fonts(struct sd *sd) +{ + struct sd_ass_priv *ctx = sd->priv; + struct MPOpts *opts = sd->opts; + if (!opts->ass_enabled || !sd->demuxer) + return; + for (int i = 0; i < sd->demuxer->num_attachments; i++) { + struct demux_attachment *f = &sd->demuxer->attachments[i]; + if (opts->use_embedded_fonts && attachment_is_font(sd->log, f)) + ass_add_font(ctx->ass_library, f->name, f->data, f->data_size); + } +} + static bool supports_format(const char *format) { return (format && strcmp(format, "ass") == 0) || @@ -87,9 +134,6 @@ static bool supports_format(const char *format) static int init(struct sd *sd) { struct MPOpts *opts = sd->opts; - if (!sd->ass_library || !sd->ass_renderer || !sd->ass_lock) - return -1; - struct sd_ass_priv *ctx = talloc_zero(sd, struct sd_ass_priv); sd->priv = ctx; @@ -106,13 +150,23 @@ static int init(struct sd *sd) extradata_size = extradata ? strlen(extradata) : 0; } - pthread_mutex_lock(sd->ass_lock); + ctx->ass_library = mp_ass_init(sd->global, sd->log); + + add_subtitle_fonts(sd); + + if (opts->ass_style_override) + ass_set_style_overrides(ctx->ass_library, opts->ass_force_style_list); - ctx->ass_track = ass_new_track(sd->ass_library); + ctx->ass_renderer = ass_renderer_init(ctx->ass_library); + + mp_ass_configure_fonts(ctx->ass_renderer, opts->sub_text_style, + sd->global, sd->log); + + ctx->ass_track = ass_new_track(ctx->ass_library); if (!ctx->is_converted) ctx->ass_track->track_type = TRACK_TYPE_ASS; - ctx->shadow_track = ass_new_track(sd->ass_library); + ctx->shadow_track = ass_new_track(ctx->ass_library); ctx->shadow_track->PlayResX = 384; ctx->shadow_track->PlayResY = 288; mp_ass_add_default_styles(ctx->shadow_track, opts); @@ -122,8 +176,6 @@ static int init(struct sd *sd) mp_ass_add_default_styles(ctx->ass_track, opts); - pthread_mutex_unlock(sd->ass_lock); - ctx->sub_speed = 1.0; if (sd->video_fps && sd->sh && sd->sh->sub->frame_based > 0) { @@ -186,7 +238,8 @@ static void configure_ass(struct sd *sd, struct mp_osd_res *dim, bool converted, ASS_Track *track) { struct MPOpts *opts = sd->opts; - ASS_Renderer *priv = sd->ass_renderer; + struct sd_ass_priv *ctx = sd->priv; + ASS_Renderer *priv = ctx->ass_renderer; ass_set_frame_size(priv, dim->w, dim->h); ass_set_margins(priv, dim->mt, dim->mb, dim->ml, dim->mr); @@ -332,12 +385,10 @@ static void get_bitmaps(struct sd *sd, struct mp_osd_res dim, double pts, bool converted = ctx->is_converted || no_ass; ASS_Track *track = no_ass ? ctx->shadow_track : ctx->ass_track; - if (pts == MP_NOPTS_VALUE || !sd->ass_renderer) + if (pts == MP_NOPTS_VALUE) return; - pthread_mutex_lock(sd->ass_lock); - - ASS_Renderer *renderer = sd->ass_renderer; + ASS_Renderer *renderer = ctx->ass_renderer; double scale = dim.display_par; if (!converted && (!opts->ass_style_override || opts->ass_vsfilter_aspect_compat)) @@ -364,8 +415,6 @@ static void get_bitmaps(struct sd *sd, struct mp_osd_res dim, double pts, if (!converted) mangle_colors(sd, res); - - pthread_mutex_unlock(sd->ass_lock); } struct buf { @@ -528,6 +577,8 @@ static void uninit(struct sd *sd) if (ctx->converter) lavc_conv_uninit(ctx->converter); ass_free_track(ctx->ass_track); + ass_renderer_done(ctx->ass_renderer); + ass_library_done(ctx->ass_library); } static int control(struct sd *sd, enum sd_ctrl cmd, void *arg) -- cgit v1.2.3