void mp_ass_configure(ASS_Renderer *priv, struct MPOpts *opts,
struct mp_osd_res *dim)
{
ass_set_frame_size(priv, dim->w, dim->h);
ass_set_margins(priv, dim->mt, dim->mb, dim->ml, dim->mr);
int set_use_margins = 0;
#if LIBASS_VERSION >= 0x01010000
int set_sub_pos = 0;
#endif
float set_line_spacing = 0;
float set_font_scale = 1;
int set_hinting = 0;
if (opts->ass_style_override) {
set_use_margins = opts->ass_use_margins;
#if LIBASS_VERSION >= 0x01010000
set_sub_pos = 100 - opts->sub_pos;
#endif
set_line_spacing = opts->ass_line_spacing;
set_font_scale = opts->sub_scale;
set_hinting = opts->ass_hinting & 3; // +4 was for no hinting if scaled
}
ass_set_use_margins(priv, set_use_margins);
#if LIBASS_VERSION >= 0x01010000
ass_set_line_position(priv, set_sub_pos);
#endif
ass_set_font_scale(priv, set_font_scale);
ass_set_hinting(priv, set_hinting);
ass_set_line_spacing(priv, set_line_spacing);
}
static void eosd_ass_update(struct mp_eosd_source *src, const struct mp_eosd_settings *res, double ts)
{
long long ts_ms = (ts + sub_delay) * 1000 + .5;
ASS_Image *aimg;
struct mp_eosd_image *img;
if (res->changed || !src->initialized) {
double dar = (double) (res->w - res->ml - res->mr) / (res->h - res->mt - res->mb);
ass_configure(ass_renderer, res->w, res->h, res->unscaled);
ass_set_margins(ass_renderer, res->mt, res->mb, res->ml, res->mr);
ass_set_aspect_ratio(ass_renderer, dar, (double)res->srcw / res->srch);
src->initialized = 1;
}
aimg = sub_visibility && ass_track && ts != MP_NOPTS_VALUE ?
ass_mp_render_frame(ass_renderer, ass_track, ts_ms, &src->changed) :
NULL;
if (!aimg != !src->images)
src->changed = 2;
if (src->changed) {
eosd_image_remove_all(src);
while (aimg) {
img = eosd_image_alloc();
img->w = aimg->w;
img->h = aimg->h;
img->bitmap = aimg->bitmap;
img->stride = aimg->stride;
img->color = aimg->color;
img->dst_x = aimg->dst_x;
img->dst_y = aimg->dst_y;
eosd_image_append(src, img);
aimg = aimg->next;
}
}
prev_visibility = sub_visibility;
}
ASS_Image* ass_mp_render_frame(ASS_Renderer *priv, ASS_Track* track, long long now, int* detect_change) {
if (ass_force_reload) {
ass_set_margins(priv, ass_top_margin, ass_bottom_margin, 0, 0);
ass_set_use_margins(priv, ass_use_margins);
ass_set_font_scale(priv, ass_font_scale);
ass_force_reload = 0;
}
return ass_render_frame(priv, track, now, detect_change);
}
void ass_configure(ASS_Renderer* priv, int w, int h, int unscaled) {
int hinting;
ass_set_frame_size(priv, w, h);
ass_set_margins(priv, ass_top_margin, ass_bottom_margin, 0, 0);
ass_set_use_margins(priv, ass_use_margins);
ass_set_font_scale(priv, ass_font_scale);
if (!unscaled && (ass_hinting & 4))
hinting = 0;
else
hinting = ass_hinting & 3;
ass_set_hinting(priv, hinting);
ass_set_line_spacing(priv, ass_line_spacing);
}
void mp_ass_configure(ASS_Renderer *priv, struct MPOpts *opts,
struct mp_osd_res *dim)
{
ass_set_frame_size(priv, dim->w, dim->h);
ass_set_margins(priv, dim->mt, dim->mb, dim->ml, dim->mr);
int set_use_margins = 0;
#if LIBASS_VERSION >= 0x01010000
int set_sub_pos = 0;
#endif
float set_line_spacing = 0;
float set_font_scale = 1;
int set_hinting = 0;
int set_force_override = 0;
if (opts->ass_style_override) {
set_use_margins = opts->ass_use_margins;
#if LIBASS_VERSION >= 0x01010000
set_sub_pos = 100 - opts->sub_pos;
#endif
set_line_spacing = opts->ass_line_spacing;
set_font_scale = opts->sub_scale;
set_hinting = opts->ass_hinting;
set_force_override = opts->ass_style_override == 3;
}
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
#if LIBASS_VERSION >= 0x01103000
ass_set_selective_style_override_enabled(priv, set_force_override);
ASS_Style style = {0};
mp_ass_set_style(&style, 288, opts->sub_text_style);
ass_set_selective_style_override(priv, &style);
free(style.FontName);
#endif
ass_set_font_scale(priv, set_font_scale);
ass_set_hinting(priv, set_hinting);
ass_set_line_spacing(priv, set_line_spacing);
}
CDVDSubtitlesLibass::CDVDSubtitlesLibass()
{
//Setting the font directory to the temp dir(where mkv fonts are extracted to)
std::string strPath = "special://temp/fonts/";
CLog::Log(LOGINFO, "CDVDSubtitlesLibass: Creating ASS library structure");
m_library = ass_library_init();
if(!m_library)
return;
ass_set_message_cb(m_library, libass_log, this);
CLog::Log(LOGINFO, "CDVDSubtitlesLibass: Initializing ASS library font settings");
// libass uses fontconfig (system lib) which is not wrapped
// so translate the path before calling into libass
ass_set_fonts_dir(m_library, CSpecialProtocol::TranslatePath(strPath).c_str());
ass_set_extract_fonts(m_library, 1);
ass_set_style_overrides(m_library, NULL);
CLog::Log(LOGINFO, "CDVDSubtitlesLibass: Initializing ASS Renderer");
m_renderer = ass_renderer_init(m_library);
if(!m_renderer)
return;
//Setting default font to the Arial in \media\fonts (used if FontConfig fails)
const std::shared_ptr<CSettings> settings = CServiceBroker::GetSettingsComponent()->GetSettings();
strPath = URIUtils::AddFileToFolder("special://home/media/Fonts/", settings->GetString(CSettings::SETTING_SUBTITLES_FONT));
if (!XFILE::CFile::Exists(strPath))
strPath = URIUtils::AddFileToFolder("special://xbmc/media/Fonts/", settings->GetString(CSettings::SETTING_SUBTITLES_FONT));
int fc = !settings->GetBool(CSettings::SETTING_SUBTITLES_OVERRIDEASSFONTS);
ass_set_margins(m_renderer, 0, 0, 0, 0);
ass_set_use_margins(m_renderer, 0);
ass_set_font_scale(m_renderer, 1);
// libass uses fontconfig (system lib) which is not wrapped
// so translate the path before calling into libass
ass_set_fonts(m_renderer, CSpecialProtocol::TranslatePath(strPath).c_str(), "Arial", fc, NULL, 1);
}
ASS_Image* CDVDSubtitlesLibass::RenderImage(int frameWidth, int frameHeight, int videoWidth, int videoHeight, int sourceWidth, int sourceHeight,
double pts, int useMargin, double position, int *changes)
{
CSingleLock lock(m_section);
if(!m_renderer || !m_track)
{
CLog::Log(LOGERROR, "CDVDSubtitlesLibass: %s - Missing ASS structs(m_track or m_renderer)", __FUNCTION__);
return NULL;
}
double sar = (double)sourceWidth / sourceHeight;
double dar = (double)videoWidth / videoHeight;
ass_set_frame_size(m_renderer, frameWidth, frameHeight);
int topmargin = (frameHeight - videoHeight) / 2;
int leftmargin = (frameWidth - videoWidth) / 2;
ass_set_margins(m_renderer, topmargin, topmargin, leftmargin, leftmargin);
ass_set_use_margins(m_renderer, useMargin);
ass_set_line_position(m_renderer, position);
ass_set_aspect_ratio(m_renderer, dar, sar);
return ass_render_frame(m_renderer, m_track, DVD_TIME_TO_MSEC(pts), changes);
}
LibassConfiguration libass_configure(Configuration conf)
{
LibassConfiguration libass_conf;
ASS_Library *library = ass_library_init();
if (library == NULL) {
printf("Couldn't initialize ass library ...\n");
exit(EXIT_FAILURE);
}
libass_conf.library = library;
ASS_Renderer *renderer = ass_renderer_init(library);
if (renderer == NULL) {
printf("Couldn't initialize ass library ...\n");
exit(EXIT_FAILURE);
}
ass_set_frame_size(renderer, conf.width, conf.height);
if (conf.display_aspect != -1.0)
ass_set_aspect_ratio(renderer, conf.display_aspect,
((double)conf.width) / ((double)conf.height));
ass_set_margins(renderer, 20, 20, 60, 60);
ass_set_fonts(renderer, NULL, "Arial", 1, NULL, 1);
ass_set_font_scale(renderer, conf.font_scale);
libass_conf.renderer = renderer;
return libass_conf;
}
static void *ass_reader_thread(void *)
{
set_threadname("ass_reader_thread");
while (!sem_wait(&ass_sem)) {
if (!ass_reader_running)
break;
ass_data *a = (ass_data *) ass_queue.pop();
if (!a) {
if (!ass_reader_running)
break;
continue;
}
OpenThreads::ScopedLock<OpenThreads::Mutex> m_lock(ass_mutex);
std::map<int,ASS_Track*>::iterator it = ass_map.find(a->pid);
ASS_Track *track;
if (it == ass_map.end()) {
CFrameBuffer *fb = CFrameBuffer::getInstance();
int xres = fb->getScreenWidth(true);
int yres = fb->getScreenHeight(true);
if (!ass_library) {
ass_library = ass_library_init();
ass_set_extract_fonts(ass_library, 1);
ass_set_style_overrides(ass_library, NULL);
ass_renderer = ass_renderer_init(ass_library);
ass_set_frame_size(ass_renderer, xres, yres);
ass_set_margins(ass_renderer, 3 * yres / 100, 3 * yres / 100, 3 * xres / 100, 3 * xres / 100);
ass_set_use_margins(ass_renderer, 1);
ass_set_hinting(ass_renderer, ASS_HINTING_LIGHT);
ass_set_aspect_ratio(ass_renderer, 1.0, 1.0);
ass_font = *sub_font_file;
ass_set_fonts(ass_renderer, ass_font.c_str(), "Arial", 0, NULL, 1);
}
track = ass_new_track(ass_library);
track->PlayResX = xres;
track->PlayResY = yres;
ass_size = sub_font_size;
ass_set_font_scale(ass_renderer, ((double) ass_size)/ASS_CUSTOM_FONT_SIZE);
if (a->c->subtitle_header) {
std::string ass_hdr = ass_subtitle_header_default();
if (ass_hdr.compare((char*) a->c->subtitle_header)) {
ass_process_codec_private(track, (char *) a->c->subtitle_header, a->c->subtitle_header_size);
} else {
// This is the FFMPEG default ASS header. Use something more suitable instead:
ass_hdr = ass_subtitle_header_custom();
ass_process_codec_private(track, (char *) ass_hdr.c_str(), ass_hdr.length());
}
}
ass_map[a->pid] = track;
if (a->pid == dvbsub_pid)
ass_track = track;
//fprintf(stderr, "### got subtitle track %d, subtitle header: \n---\n%s\n---\n", pid, c->subtitle_header);
} else
track = it->second;
for (unsigned int i = 0; i < a->sub.num_rects; i++)
if (a->sub.rects[i]->ass)
ass_process_data(track, a->sub.rects[i]->ass, strlen(a->sub.rects[i]->ass));
avsubtitle_free(&a->sub);
delete a;
}
ass_reader_running = false;
pthread_exit(NULL);
}
static int control(struct vf_instance_s* vf, int request, void* data)
{
switch(request){
case VFCTRL_GET_DEINTERLACE:
{
if(!video_out) return CONTROL_FALSE; // vo not configured?
return(video_out->control(VOCTRL_GET_DEINTERLACE, data)
== VO_TRUE) ? CONTROL_TRUE : CONTROL_FALSE;
}
case VFCTRL_SET_DEINTERLACE:
{
if(!video_out) return CONTROL_FALSE; // vo not configured?
return(video_out->control(VOCTRL_SET_DEINTERLACE, data)
== VO_TRUE) ? CONTROL_TRUE : CONTROL_FALSE;
}
case VFCTRL_DRAW_OSD:
if(!vo_config_count) return CONTROL_FALSE; // vo not configured?
video_out->draw_osd();
return CONTROL_TRUE;
case VFCTRL_FLIP_PAGE:
{
if(!vo_config_count) return CONTROL_FALSE; // vo not configured?
video_out->flip_page();
return CONTROL_TRUE;
}
case VFCTRL_SET_EQUALIZER:
{
vf_equalizer_t *eq=data;
if(!vo_config_count) return CONTROL_FALSE; // vo not configured?
return((video_out->control(VOCTRL_SET_EQUALIZER, eq->item, eq->value) == VO_TRUE) ? CONTROL_TRUE : CONTROL_FALSE);
}
case VFCTRL_GET_EQUALIZER:
{
vf_equalizer_t *eq=data;
if(!vo_config_count) return CONTROL_FALSE; // vo not configured?
return((video_out->control(VOCTRL_GET_EQUALIZER, eq->item, &eq->value) == VO_TRUE) ? CONTROL_TRUE : CONTROL_FALSE);
}
#ifdef USE_ASS
case VFCTRL_INIT_EOSD:
{
vf->priv->ass_priv = ass_renderer_init((ass_library_t*)data);
if (!vf->priv->ass_priv) return CONTROL_FALSE;
ass_configure_fonts(vf->priv->ass_priv);
vf->priv->prev_visibility = 0;
return CONTROL_TRUE;
}
case VFCTRL_DRAW_EOSD:
{
mp_eosd_images_t images = {NULL, 2};
double pts = vf->priv->pts;
if (!vo_config_count || !vf->priv->ass_priv) return CONTROL_FALSE;
if (sub_visibility && vf->priv->ass_priv && ass_track && (pts != MP_NOPTS_VALUE)) {
mp_eosd_res_t res;
memset(&res, 0, sizeof(res));
if (video_out->control(VOCTRL_GET_EOSD_RES, &res) == VO_TRUE) {
ass_set_frame_size(vf->priv->ass_priv, res.w, res.h);
ass_set_margins(vf->priv->ass_priv, res.mt, res.mb, res.ml, res.mr);
ass_set_aspect_ratio(vf->priv->ass_priv, (double)res.w / res.h);
}
images.imgs = ass_render_frame(vf->priv->ass_priv, ass_track, (pts+sub_delay) * 1000 + .5, &images.changed);
if (!vf->priv->prev_visibility)
images.changed = 2;
vf->priv->prev_visibility = 1;
} else
vf->priv->prev_visibility = 0;
vf->priv->prev_visibility = sub_visibility;
return (video_out->control(VOCTRL_DRAW_EOSD, &images) == VO_TRUE) ? CONTROL_TRUE : CONTROL_FALSE;
}
#endif
case VFCTRL_GET_PTS:
{
*(double *)data = vf->priv->pts;
return CONTROL_TRUE;
}
}
// return video_out->control(request,data);
return CONTROL_UNKNOWN;
}
static void configure_ass(struct sd *sd, struct mp_osd_res *dim,
bool converted, ASS_Track *track)
{
struct MPOpts *opts = sd->opts;
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);
bool set_use_margins = false;
int set_sub_pos = 0;
float set_line_spacing = 0;
float set_font_scale = 1;
int set_hinting = 0;
bool set_scale_with_window = false;
bool set_scale_by_window = true;
bool total_override = false;
// With forced overrides, apply the --sub-* specific options
if (converted || opts->ass_style_override == 3) {
set_scale_with_window = opts->sub_scale_with_window;
set_use_margins = opts->sub_use_margins;
set_scale_by_window = opts->sub_scale_by_window;
total_override = true;
} else {
set_scale_with_window = opts->ass_scale_with_window;
set_use_margins = opts->ass_use_margins;
}
if (converted || opts->ass_style_override) {
set_sub_pos = 100 - opts->sub_pos;
set_line_spacing = opts->ass_line_spacing;
set_hinting = opts->ass_hinting;
set_font_scale = opts->sub_scale;
}
if (set_scale_with_window) {
int vidh = dim->h - (dim->mt + dim->mb);
set_font_scale *= dim->h / (float)MPMAX(vidh, 1);
}
if (!set_scale_by_window) {
double factor = dim->h / 720.0;
if (factor != 0.0)
set_font_scale /= factor;
}
ass_set_use_margins(priv, set_use_margins);
ass_set_line_position(priv, set_sub_pos);
ass_set_shaper(priv, opts->ass_shaper);
int set_force_flags = 0;
if (total_override)
set_force_flags |= ASS_OVERRIDE_BIT_STYLE | ASS_OVERRIDE_BIT_FONT_SIZE;
if (opts->ass_style_override == 4)
set_force_flags |= ASS_OVERRIDE_BIT_FONT_SIZE;
ass_set_selective_style_override_enabled(priv, set_force_flags);
ASS_Style style = {0};
mp_ass_set_style(&style, 288, opts->sub_text_style);
ass_set_selective_style_override(priv, &style);
free(style.FontName);
if (converted && track->default_style < track->n_styles) {
mp_ass_set_style(track->styles + track->default_style,
track->PlayResY, opts->sub_text_style);
}
ass_set_font_scale(priv, set_font_scale);
ass_set_hinting(priv, set_hinting);
ass_set_line_spacing(priv, set_line_spacing);
}
static void VS_CC assInit(VSMap *in, VSMap *out, void **instanceData,
VSNode *node, VSCore *core, const VSAPI *vsapi)
{
AssData *d = (AssData *) * instanceData;
vsapi->setVideoInfo(d->vi, 2, node);
d->ass_library = ass_library_init();
if(!d->ass_library) {
vsapi->setError(out, "failed to initialize ASS library");
return;
}
ass_set_message_cb(d->ass_library, assDebugCallback, (void *)d->debuglevel);
ass_set_extract_fonts(d->ass_library, 0);
ass_set_style_overrides(d->ass_library, 0);
d->ass_renderer = ass_renderer_init(d->ass_library);
if(!d->ass_renderer) {
vsapi->setError(out, "failed to initialize ASS renderer");
return;
}
ass_set_font_scale(d->ass_renderer, d->scale);
ass_set_frame_size(d->ass_renderer, d->vi[0].width, d->vi[0].height);
ass_set_margins(d->ass_renderer,
d->margins[0], d->margins[1], d->margins[2], d->margins[3]);
ass_set_use_margins(d->ass_renderer, 1);
if(d->linespacing)
ass_set_line_spacing(d->ass_renderer, d->linespacing);
if(d->sar) {
ass_set_aspect_ratio(d->ass_renderer,
(double)d->vi[0].width /
d->vi[0].height * d->sar, 1);
}
if(d->fontdir)
ass_set_fonts_dir(d->ass_library, d->fontdir);
ass_set_fonts(d->ass_renderer, NULL, NULL, 1, NULL, 1);
if(d->file == NULL) {
char *str, *text, x[16], y[16];
size_t siz;
const char *fmt = "[Script Info]\n"
"ScriptType: v4.00+\n"
"PlayResX: %s\n"
"PlayResY: %s\n"
"[V4+ Styles]\n"
"Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding\n"
"Style: Default,%s\n"
"[Events]\n"
"Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text\n"
"Dialogue: 0,0:00:00.00,0:00:10.00,Default,,0,0,0,,%s\n";
sprintf(x, "%d", d->vi[0].width);
sprintf(y, "%d", d->vi[0].height);
text = strrepl(d->text, "\n", "\\N");
siz = (strlen(fmt) + strlen(x) + strlen(y) + strlen(d->style) +
strlen(text)) * sizeof(char);
str = malloc(siz);
sprintf(str, fmt, x, y, d->style, text);
free(text);
d->ass = ass_new_track(d->ass_library);
ass_process_data(d->ass, str, strlen(str));
free(str);
} else {
d->ass = ass_read_file(d->ass_library, (char *)d->file, (char *)d->charset);
}
if(!d->ass) {
vsapi->setError(out, "unable to parse input file");
return;
}
}