Beispiel #1
0
static csri_inst *libass_init_stream(csri_rend *renderer,
	const void *header, size_t headerlen,
	struct csri_openflag *flags)
{
	csri_inst *rv;

	if (renderer != &csri_libass)
		return NULL;

	rv = (csri_inst *)malloc(sizeof(csri_inst));
	if (!rv)
		return NULL;

	rv->ass_renderer = ass_renderer_init(renderer->ass_library);
	if (!rv->ass_renderer) {
		free(rv);
		return NULL;
	}
	ass_set_font_scale(rv->ass_renderer, 1.);
	ass_set_fonts(rv->ass_renderer, NULL, "Sans");
	rv->ass_track = ass_new_track(csri_libass.ass_library);
	if (!rv->ass_track) {
		ass_renderer_done(rv->ass_renderer);
		free(rv);
		return NULL;
	}
	ass_process_codec_private(rv->ass_track, (void *)header, headerlen);
	return rv;
}
Beispiel #2
0
Datei: sd_ass.c Projekt: agiz/mpv
static int init(struct sd *sd)
{
    struct MPOpts *opts = sd->opts;
    if (!sd->ass_library || !sd->ass_renderer || !sd->codec)
        return -1;

    struct sd_ass_priv *ctx = talloc_zero(NULL, struct sd_ass_priv);
    sd->priv = ctx;

    ctx->is_converted = sd->converted_from != NULL;

    if (sd->ass_track) {
        ctx->ass_track = sd->ass_track;
    } else {
        ctx->ass_track = ass_new_track(sd->ass_library);
        if (!ctx->is_converted)
            ctx->ass_track->track_type = TRACK_TYPE_ASS;
    }

    if (sd->extradata) {
        ass_process_codec_private(ctx->ass_track, sd->extradata,
                                  sd->extradata_len);
    }

    mp_ass_add_default_styles(ctx->ass_track, opts);

    return 0;
}
Beispiel #3
0
static int init(struct sd *sd)
{
    struct MPOpts *opts = sd->opts;
    if (!sd->ass_library || !sd->ass_renderer || !sd->ass_lock || !sd->codec)
        return -1;

    struct sd_ass_priv *ctx = talloc_zero(NULL, struct sd_ass_priv);
    sd->priv = ctx;

    ctx->extend_event = -1;
    ctx->is_converted = sd->converted_from != NULL;

    pthread_mutex_lock(sd->ass_lock);

    ctx->ass_track = ass_new_track(sd->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->PlayResX = 384;
    ctx->shadow_track->PlayResY = 288;
    mp_ass_add_default_styles(ctx->shadow_track, opts);

    if (sd->extradata) {
        ass_process_codec_private(ctx->ass_track, sd->extradata,
                                  sd->extradata_len);
    }

    mp_ass_add_default_styles(ctx->ass_track, opts);

    pthread_mutex_unlock(sd->ass_lock);

    return 0;
}
Beispiel #4
0
static int init(struct sd *sd)
{
    struct MPOpts *opts = sd->opts;
    struct sd_ass_priv *ctx = talloc_zero(sd, struct sd_ass_priv);
    sd->priv = ctx;

    char *extradata = sd->codec->extradata;
    int extradata_size = sd->codec->extradata_size;

    if (strcmp(sd->codec->codec, "ass") != 0) {
        ctx->is_converted = true;
        ctx->converter = lavc_conv_create(sd->log, sd->codec->codec, extradata,
                                          extradata_size);
        if (!ctx->converter)
            return -1;
        extradata = lavc_conv_get_extradata(ctx->converter);
        extradata_size = extradata ? strlen(extradata) : 0;

        if (strcmp(sd->codec->codec, "eia_608") == 0)
            ctx->duration_unknown = 1;
    }

    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(ctx->ass_library);
    if (!ctx->is_converted)
        ctx->ass_track->track_type = TRACK_TYPE_ASS;

    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);

    if (extradata)
        ass_process_codec_private(ctx->ass_track, extradata, extradata_size);

    mp_ass_add_default_styles(ctx->ass_track, opts);

#if LIBASS_VERSION >= 0x01302000
    ass_set_check_readorder(ctx->ass_track, sd->opts->sub_clear_on_seek ? 0 : 1);
#endif

    ctx->frame_fps = sd->codec->frame_based;
    update_subtitle_speed(sd);

    enable_output(sd, true);

    ctx->packer = mp_ass_packer_alloc(ctx);

    return 0;
}
Beispiel #5
0
/*Decode Header of SSA, needed to properly decode demux packets*/
bool CDVDSubtitlesLibass::DecodeHeader(char* data, int size)
{
  CSingleLock lock(m_section);
  if(!m_library || !data)
    return false;

  if(!m_track)
  {
    CLog::Log(LOGINFO, "CDVDSubtitlesLibass: Creating new ASS track");
    m_track = ass_new_track(m_library) ;
  }

  ass_process_codec_private(m_track, data, size);
  return true;
}
Beispiel #6
0
/*****************************************************************************
 * Create: Open libass decoder.
 *****************************************************************************/
static int Create( vlc_object_t *p_this )
{
    decoder_t *p_dec = (decoder_t *)p_this;
    decoder_sys_t *p_sys;
    ASS_Track *p_track;

    if( p_dec->fmt_in.i_codec != VLC_CODEC_SSA )
        return VLC_EGENERIC;

    p_dec->pf_decode_sub = DecodeBlock;

    p_dec->p_sys = p_sys = malloc( sizeof( decoder_sys_t ) );
    if( !p_sys )
        return VLC_ENOMEM;

    /* */
    p_sys->i_max_stop = VLC_TS_INVALID;
    p_sys->p_ass = AssHandleHold( p_dec );
    if( !p_sys->p_ass )
    {
        free( p_sys );
        return VLC_EGENERIC;
    }
    vlc_mutex_init( &p_sys->lock );
    p_sys->i_refcount = 1;

    /* Add a track */
    vlc_mutex_lock( &libass_lock );
    p_sys->p_track = p_track = ass_new_track( p_sys->p_ass->p_library );
    if( !p_track )
    {
        vlc_mutex_unlock( &libass_lock );
        DecSysRelease( p_sys );
        return VLC_EGENERIC;
    }
    ass_process_codec_private( p_track, p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra );
    vlc_mutex_unlock( &libass_lock );

    p_dec->fmt_out.i_cat = SPU_ES;
    p_dec->fmt_out.i_codec = VLC_CODEC_RGBA;

    return VLC_SUCCESS;
}
Beispiel #7
0
static void init(struct sh_sub *sh, struct osd_state *osd)
{
    struct sd_ass_priv *ctx;

    if (sh->initialized) {
        ctx = sh->context;
    } else {
        ctx = talloc_zero(NULL, struct sd_ass_priv);
        sh->context = ctx;
        if (sh->type == 'a') {
            ctx->ass_track = ass_new_track(osd->ass_library);
            if (sh->extradata)
                ass_process_codec_private(ctx->ass_track, sh->extradata,
                                          sh->extradata_len);
        } else
            ctx->ass_track = mp_ass_default_track(osd->ass_library, sh->opts);
    }

    assert(osd->ass_track == NULL);
    osd->ass_track = ctx->ass_track;
    osd->vsfilter_aspect = sh->type == 'a';
    osd->ass_track_changed = true;
}
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);
}
Beispiel #9
0
/*****************************************************************************
 * Create: Open libass decoder.
 *****************************************************************************/
static int Create( vlc_object_t *p_this )
{
    decoder_t *p_dec = (decoder_t *)p_this;
    decoder_sys_t *p_sys;

    if( p_dec->fmt_in.i_codec != VLC_CODEC_SSA )
        return VLC_EGENERIC;

    p_dec->pf_decode_sub = DecodeBlock;
    p_dec->pf_flush      = Flush;

    p_dec->p_sys = p_sys = malloc( sizeof( decoder_sys_t ) );
    if( !p_sys )
        return VLC_ENOMEM;

    /* */
    vlc_mutex_init( &p_sys->lock );
    p_sys->i_refcount = 1;
    memset( &p_sys->fmt, 0, sizeof(p_sys->fmt) );
    p_sys->i_max_stop = VLC_TS_INVALID;
    p_sys->p_library  = NULL;
    p_sys->p_renderer = NULL;
    p_sys->p_track    = NULL;

    /* Create libass library */
    ASS_Library *p_library = p_sys->p_library = ass_library_init();
    if( !p_library )
    {
        msg_Warn( p_dec, "Libass library creation failed" );
        DecSysRelease( p_sys );
        return VLC_EGENERIC;
    }

    /* load attachments */
    input_attachment_t  **pp_attachments;
    int                   i_attachments;
    if( decoder_GetInputAttachments( p_dec, &pp_attachments, &i_attachments ))
    {
        i_attachments = 0;
        pp_attachments = NULL;
    }
    for( int k = 0; k < i_attachments; k++ )
    {
        input_attachment_t *p_attach = pp_attachments[k];

        bool found = false;

        /* Check mimetype*/
        if( !strcasecmp( p_attach->psz_mime, "application/x-truetype-font" ) )
            found = true;
        /* Then extension */
        else if( !found && strlen( p_attach->psz_name ) > 4 )
        {
            char *ext = p_attach->psz_name + strlen( p_attach->psz_name ) - 4;

            if( !strcasecmp( ext, ".ttf" ) || !strcasecmp( ext, ".otf" ) || !strcasecmp( ext, ".ttc" ) )
                found = true;
        }

        if( found )
        {
            msg_Dbg( p_dec, "adding embedded font %s", p_attach->psz_name );

            ass_add_font( p_sys->p_library, p_attach->psz_name, p_attach->p_data, p_attach->i_data );
        }
        vlc_input_attachment_Delete( p_attach );
    }
    free( pp_attachments );

    ass_set_extract_fonts( p_library, true );
    ass_set_style_overrides( p_library, NULL );

    /* Create the renderer */
    ASS_Renderer *p_renderer = p_sys->p_renderer = ass_renderer_init( p_library );
    if( !p_renderer )
    {
        msg_Warn( p_dec, "Libass renderer creation failed" );
        DecSysRelease( p_sys );
        return VLC_EGENERIC;
    }

    ass_set_use_margins( p_renderer, false);
    //if( false )
    //    ass_set_margins( p_renderer, int t, int b, int l, int r);
    ass_set_hinting( p_renderer, ASS_HINTING_LIGHT );
    ass_set_font_scale( p_renderer, 1.0 );
    ass_set_line_spacing( p_renderer, 0.0 );

#if defined( __ANDROID__ )
    const char *psz_font = "/system/fonts/DroidSans-Bold.ttf";
    const char *psz_family = "Droid Sans Bold";
#elif defined( __APPLE__ )
    const char *psz_font = NULL; /* We don't ship a default font with VLC */
    const char *psz_family = "Helvetica Neue"; /* Use HN if we can't find anything more suitable - Arial is not on all Apple platforms */
#else
    const char *psz_font = NULL; /* We don't ship a default font with VLC */
    const char *psz_family = "Arial"; /* Use Arial if we can't find anything more suitable */
#endif

#ifdef HAVE_FONTCONFIG
#if defined(_WIN32)
    dialog_progress_bar_t *p_dialog =
        dialog_ProgressCreate( p_dec,
                               _("Building font cache"),
                               _( "Please wait while your font cache is rebuilt.\n"
                                  "This should take less than a minute." ), NULL );
#endif
    ass_set_fonts( p_renderer, psz_font, psz_family, 1, NULL, 1 );  // setup default font/family
#if defined(_WIN32)
    if( p_dialog )
    {
        dialog_ProgressSet( p_dialog, NULL, 1.0 );
        dialog_ProgressDestroy( p_dialog );
    }
#endif
#else
    ass_set_fonts( p_renderer, psz_font, psz_family, 1, NULL, 1 );
#endif

    /* Add a track */
    ASS_Track *p_track = p_sys->p_track = ass_new_track( p_sys->p_library );
    if( !p_track )
    {
        DecSysRelease( p_sys );
        return VLC_EGENERIC;
    }
    ass_process_codec_private( p_track, p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra );

    p_dec->fmt_out.i_cat = SPU_ES;
    p_dec->fmt_out.i_codec = VLC_CODEC_RGBA;

    return VLC_SUCCESS;
}
Beispiel #10
0
static av_cold int init_subtitles(AVFilterContext *ctx)
{
    int j, ret, sid;
    int k = 0;
    AVDictionary *codec_opts = NULL;
    AVFormatContext *fmt = NULL;
    AVCodecContext *dec_ctx = NULL;
    AVCodec *dec = NULL;
    const AVCodecDescriptor *dec_desc;
    AVStream *st;
    AVPacket pkt;
    AssContext *ass = ctx->priv;

    /* Init libass */
    ret = init(ctx);
    if (ret < 0)
        return ret;
    ass->track = ass_new_track(ass->library);
    if (!ass->track) {
        av_log(ctx, AV_LOG_ERROR, "Could not create a libass track\n");
        return AVERROR(EINVAL);
    }

    /* Open subtitles file */
    ret = avformat_open_input(&fmt, ass->filename, NULL, NULL);
    if (ret < 0) {
        av_log(ctx, AV_LOG_ERROR, "Unable to open %s\n", ass->filename);
        goto end;
    }
    ret = avformat_find_stream_info(fmt, NULL);
    if (ret < 0)
        goto end;

    /* Locate subtitles stream */
    if (ass->stream_index < 0)
        ret = av_find_best_stream(fmt, AVMEDIA_TYPE_SUBTITLE, -1, -1, NULL, 0);
    else {
        ret = -1;
        if (ass->stream_index < fmt->nb_streams) {
            for (j = 0; j < fmt->nb_streams; j++) {
                if (fmt->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
                    if (ass->stream_index == k) {
                        ret = j;
                        break;
                    }
                    k++;
                }
            }
        }
    }

    if (ret < 0) {
        av_log(ctx, AV_LOG_ERROR, "Unable to locate subtitle stream in %s\n",
               ass->filename);
        goto end;
    }
    sid = ret;
    st = fmt->streams[sid];

    /* Load attached fonts */
    for (j = 0; j < fmt->nb_streams; j++) {
        AVStream *st = fmt->streams[j];
        if (st->codecpar->codec_type == AVMEDIA_TYPE_ATTACHMENT &&
            attachment_is_font(st)) {
            const AVDictionaryEntry *tag = NULL;
            tag = av_dict_get(st->metadata, "filename", NULL,
                              AV_DICT_MATCH_CASE);

            if (tag) {
                av_log(ctx, AV_LOG_DEBUG, "Loading attached font: %s\n",
                       tag->value);
                ass_add_font(ass->library, tag->value,
                             st->codecpar->extradata,
                             st->codecpar->extradata_size);
            } else {
                av_log(ctx, AV_LOG_WARNING,
                       "Font attachment has no filename, ignored.\n");
            }
        }
    }

    /* Initialize fonts */
    ass_set_fonts(ass->renderer, NULL, NULL, 1, NULL, 1);

    /* Open decoder */
    dec = avcodec_find_decoder(st->codecpar->codec_id);
    if (!dec) {
        av_log(ctx, AV_LOG_ERROR, "Failed to find subtitle codec %s\n",
               avcodec_get_name(st->codecpar->codec_id));
        return AVERROR(EINVAL);
    }
    dec_desc = avcodec_descriptor_get(st->codecpar->codec_id);
    if (dec_desc && !(dec_desc->props & AV_CODEC_PROP_TEXT_SUB)) {
        av_log(ctx, AV_LOG_ERROR,
               "Only text based subtitles are currently supported\n");
        return AVERROR_PATCHWELCOME;
    }
    if (ass->charenc)
        av_dict_set(&codec_opts, "sub_charenc", ass->charenc, 0);
    if (LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(57,26,100))
        av_dict_set(&codec_opts, "sub_text_format", "ass", 0);

    dec_ctx = avcodec_alloc_context3(dec);
    if (!dec_ctx)
        return AVERROR(ENOMEM);

    ret = avcodec_parameters_to_context(dec_ctx, st->codecpar);
    if (ret < 0)
        goto end;

    /*
     * This is required by the decoding process in order to rescale the
     * timestamps: in the current API the decoded subtitles have their pts
     * expressed in AV_TIME_BASE, and thus the lavc internals need to know the
     * stream time base in order to achieve the rescaling.
     *
     * That API is old and needs to be reworked to match behaviour with A/V.
     */
    av_codec_set_pkt_timebase(dec_ctx, st->time_base);

    ret = avcodec_open2(dec_ctx, NULL, &codec_opts);
    if (ret < 0)
        goto end;

    if (ass->force_style) {
        char **list = NULL;
        char *temp = NULL;
        char *ptr = av_strtok(ass->force_style, ",", &temp);
        int i = 0;
        while (ptr) {
            av_dynarray_add(&list, &i, ptr);
            if (!list) {
                ret = AVERROR(ENOMEM);
                goto end;
            }
            ptr = av_strtok(NULL, ",", &temp);
        }
        av_dynarray_add(&list, &i, NULL);
        if (!list) {
            ret = AVERROR(ENOMEM);
            goto end;
        }
        ass_set_style_overrides(ass->library, list);
        av_free(list);
    }
    /* Decode subtitles and push them into the renderer (libass) */
    if (dec_ctx->subtitle_header)
        ass_process_codec_private(ass->track,
                                  dec_ctx->subtitle_header,
                                  dec_ctx->subtitle_header_size);
    av_init_packet(&pkt);
    pkt.data = NULL;
    pkt.size = 0;
    while (av_read_frame(fmt, &pkt) >= 0) {
        int i, got_subtitle;
        AVSubtitle sub = {0};

        if (pkt.stream_index == sid) {
            ret = avcodec_decode_subtitle2(dec_ctx, &sub, &got_subtitle, &pkt);
            if (ret < 0) {
                av_log(ctx, AV_LOG_WARNING, "Error decoding: %s (ignored)\n",
                       av_err2str(ret));
            } else if (got_subtitle) {
                const int64_t start_time = av_rescale_q(sub.pts, AV_TIME_BASE_Q, av_make_q(1, 1000));
                const int64_t duration   = sub.end_display_time;
                for (i = 0; i < sub.num_rects; i++) {
                    char *ass_line = sub.rects[i]->ass;
                    if (!ass_line)
                        break;
                    if (LIBAVCODEC_VERSION_INT < AV_VERSION_INT(57,25,100))
                        ass_process_data(ass->track, ass_line, strlen(ass_line));
                    else
                        ass_process_chunk(ass->track, ass_line, strlen(ass_line),
                                          start_time, duration);
                }
            }
        }
        av_packet_unref(&pkt);
        avsubtitle_free(&sub);
    }

end:
    av_dict_free(&codec_opts);
    avcodec_close(dec_ctx);
    avcodec_free_context(&dec_ctx);
    avformat_close_input(&fmt);
    return ret;
}
Beispiel #11
0
/*****************************************************************************
 * Create: Open libass decoder.
 *****************************************************************************/
static int Create( vlc_object_t *p_this )
{
    decoder_t *p_dec = (decoder_t *)p_this;
    decoder_sys_t *p_sys;

    if( p_dec->fmt_in.i_codec != VLC_CODEC_SSA )
        return VLC_EGENERIC;

    p_dec->pf_decode_sub = DecodeBlock;

    p_dec->p_sys = p_sys = malloc( sizeof( decoder_sys_t ) );
    if( !p_sys )
        return VLC_ENOMEM;

    /* */
    vlc_mutex_init( &p_sys->lock );
    p_sys->i_refcount = 1;
    memset( &p_sys->fmt, 0, sizeof(p_sys->fmt) );
    p_sys->i_max_stop = VLC_TS_INVALID;
    p_sys->p_library  = NULL;
    p_sys->p_renderer = NULL;
    p_sys->p_track    = NULL;

    /* Create libass library */
    ASS_Library *p_library = p_sys->p_library = ass_library_init();
    if( !p_library )
    {
        msg_Warn( p_dec, "Libass library creation failed" );
        DecSysRelease( p_sys );
        return VLC_EGENERIC;
    }

    /* load attachments */
    input_attachment_t  **pp_attachments;
    int                   i_attachments;
    if( decoder_GetInputAttachments( p_dec, &pp_attachments, &i_attachments ))
    {
        i_attachments = 0;
        pp_attachments = NULL;
    }
    for( int k = 0; k < i_attachments; k++ )
    {
        input_attachment_t *p_attach = pp_attachments[k];

        if( !strcasecmp( p_attach->psz_mime, "application/x-truetype-font" ) )
        {
            msg_Dbg( p_dec, "adding embedded font %s", p_attach->psz_name );

            ass_add_font( p_sys->p_library, p_attach->psz_name, p_attach->p_data, p_attach->i_data );
        }
        vlc_input_attachment_Delete( p_attach );
    }
    free( pp_attachments );

    ass_set_extract_fonts( p_library, true );
    ass_set_style_overrides( p_library, NULL );

    /* Create the renderer */
    ASS_Renderer *p_renderer = p_sys->p_renderer = ass_renderer_init( p_library );
    if( !p_renderer )
    {
        msg_Warn( p_dec, "Libass renderer creation failed" );
        DecSysRelease( p_sys );
        return VLC_EGENERIC;
    }

    ass_set_use_margins( p_renderer, false);
    //if( false )
    //    ass_set_margins( p_renderer, int t, int b, int l, int r);
    ass_set_hinting( p_renderer, ASS_HINTING_LIGHT );
    ass_set_font_scale( p_renderer, 1.0 );
    ass_set_line_spacing( p_renderer, 0.0 );

    const char *psz_font = NULL; /* We don't ship a default font with VLC */
    const char *psz_family = "Arial"; /* Use Arial if we can't find anything more suitable */

#ifdef ANDROID
    /* is this useful? */
    ass_set_fonts_dir( p_library, "/system/fonts" );
    /* don't crash libass */
    psz_font = "/system/fonts/DroidSansFallback.ttf";
#endif

#ifdef HAVE_FONTCONFIG
#if defined(WIN32)
    dialog_progress_bar_t *p_dialog =
        dialog_ProgressCreate( p_dec,
                               _("Building font cache"),
                               _( "Please wait while your font cache is rebuilt.\n"
                                  "This should take less than a minute." ), NULL );
    if( p_dialog )
        dialog_ProgressSet( p_dialog, NULL, 0.2 );
#endif
    ass_set_fonts( p_renderer, psz_font, psz_family, true, NULL, 1 );  // setup default font/family
#ifdef WIN32
    if( p_dialog )
    {
        dialog_ProgressSet( p_dialog, NULL, 1.0 );
        dialog_ProgressDestroy( p_dialog );
    }
#endif
#else
    /* FIXME you HAVE to give him a font if no fontconfig */
    ass_set_fonts( p_renderer, psz_font, psz_family, false, NULL, 1 );
#endif

    /* Add a track */
    ASS_Track *p_track = p_sys->p_track = ass_new_track( p_sys->p_library );
    if( !p_track )
    {
        DecSysRelease( p_sys );
        return VLC_EGENERIC;
    }
    ass_process_codec_private( p_track, p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra );

    p_dec->fmt_out.i_cat = SPU_ES;
    p_dec->fmt_out.i_codec = VLC_CODEC_RGBA;

    return VLC_SUCCESS;
}
Beispiel #12
0
/*****************************************************************************
 * Create: Open libass decoder.
 *****************************************************************************/
static int Create( vlc_object_t *p_this )
{
    decoder_t *p_dec = (decoder_t *)p_this;
    decoder_sys_t *p_sys;

    if( p_dec->fmt_in.i_codec != VLC_CODEC_SSA )
        return VLC_EGENERIC;

    p_dec->pf_decode_sub = DecodeBlock;

    p_dec->p_sys = p_sys = malloc( sizeof( decoder_sys_t ) );
    if( !p_sys )
        return VLC_ENOMEM;

    /* */
    vlc_mutex_init( &p_sys->lock );
    p_sys->i_refcount = 1;
    memset( &p_sys->fmt, 0, sizeof(p_sys->fmt) );
    p_sys->i_max_stop = VLC_TS_INVALID;
    p_sys->p_library  = NULL;
    p_sys->p_renderer = NULL;
    p_sys->p_track    = NULL;

    /* Create libass library */
    ASS_Library *p_library = p_sys->p_library = ass_library_init();
    if( !p_library )
    {
        msg_Warn( p_dec, "Libass library creation failed" );
        DecSysRelease( p_sys );
        return VLC_EGENERIC;
    }

    /* load attachments */
    input_attachment_t  **pp_attachments;
    int                   i_attachments;
    if( decoder_GetInputAttachments( p_dec, &pp_attachments, &i_attachments ))
    {
        i_attachments = 0;
        pp_attachments = NULL;
    }
    for( int k = 0; k < i_attachments; k++ )
    {
        input_attachment_t *p_attach = pp_attachments[k];

        bool found = false;

        /* Check mimetype*/
        if( !strcasecmp( p_attach->psz_mime, "application/x-truetype-font" ) )
            found = true;
        /* Then extension */
        else if( !found && strlen( p_attach->psz_name ) > 4 )
        {
            char *ext = p_attach->psz_name + strlen( p_attach->psz_name ) - 4;

            if( !strcasecmp( ext, ".ttf" ) || !strcasecmp( ext, ".otf" ) || !strcasecmp( ext, ".ttc" ) )
                found = true;
        }

        if( found )
        {
            msg_Dbg( p_dec, "adding embedded font %s", p_attach->psz_name );

            ass_add_font( p_sys->p_library, p_attach->psz_name, p_attach->p_data, p_attach->i_data );
        }
        vlc_input_attachment_Delete( p_attach );
    }
    free( pp_attachments );

    ass_set_extract_fonts( p_library, true );
    ass_set_style_overrides( p_library, NULL );

    /* Create the renderer */
    ASS_Renderer *p_renderer = p_sys->p_renderer = ass_renderer_init( p_library );
    if( !p_renderer )
    {
        msg_Warn( p_dec, "Libass renderer creation failed" );
        DecSysRelease( p_sys );
        return VLC_EGENERIC;
    }

    ass_set_use_margins( p_renderer, false);
    //if( false )
    //    ass_set_margins( p_renderer, int t, int b, int l, int r);
    ass_set_hinting( p_renderer, ASS_HINTING_LIGHT );
    ass_set_font_scale( p_renderer, 1.0 );
    ass_set_line_spacing( p_renderer, 0.0 );

#if defined( __ANDROID__ )
    const char *psz_font = "/system/fonts/DroidSans-Bold.ttf";
    const char *psz_family = "Droid Sans Bold";
#elif defined (__APPLE__)
#if !TARGET_OS_IPHONE
    const char *psz_font = NULL; /* We don't ship a default font with VLC */
    const char *psz_family = "Arial"; /* Use Arial if we can't find anything more suitable */
#else
    CFURLRef fileURL;
    fileURL = CFBundleCopyResourceURL(CFBundleGetMainBundle(), CFSTR("OpenSans-Regular.ttf"),
                                      NULL,
                                      NULL);
    if (!fileURL)
        return VLC_EGENERIC;

    CFStringRef urlString = CFURLCopyFileSystemPath(fileURL, kCFURLPOSIXPathStyle);
    CFRelease(fileURL);

    if (!urlString)
        return VLC_EGENERIC;

    CFIndex length = CFStringGetLength(urlString);
    if (!length)
        return VLC_EGENERIC;
    length++;

    char *psz_path = (char *)malloc(length);
    CFStringGetCString(urlString, psz_path, length, kCFStringEncodingUTF8);
    CFRelease(urlString);

    const char *psz_font = (const char *)strdup(psz_path);
    free(psz_path);
    const char *psz_family = "Open Sans";
#endif
#else
    const char *psz_font = NULL; /* We don't ship a default font with VLC */
    const char *psz_family = "Arial"; /* Use Arial if we can't find anything more suitable */
#endif

#ifdef HAVE_FONTCONFIG
#if defined(_WIN32) || defined(__APPLE__)
    dialog_progress_bar_t *p_dialog =
        dialog_ProgressCreate( p_dec,
                               _("Building font cache"),
                               _( "Please wait while your font cache is rebuilt.\n"
                                  "This should take less than a minute." ), NULL );
#endif
    ass_set_fonts( p_renderer, psz_font, psz_family, true, NULL, 1 );  // setup default font/family
#if defined(_WIN32) || defined(__APPLE__)
    if( p_dialog )
    {
        dialog_ProgressSet( p_dialog, NULL, 1.0 );
        dialog_ProgressDestroy( p_dialog );
    }
#endif
#else
    /* FIXME you HAVE to give him a font if no fontconfig */
    ass_set_fonts( p_renderer, psz_font, psz_family, false, NULL, 1 );
#endif

    /* Add a track */
    ASS_Track *p_track = p_sys->p_track = ass_new_track( p_sys->p_library );
    if( !p_track )
    {
        DecSysRelease( p_sys );
        return VLC_EGENERIC;
    }
    ass_process_codec_private( p_track, p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra );

    p_dec->fmt_out.i_cat = SPU_ES;
    p_dec->fmt_out.i_codec = VLC_CODEC_RGBA;

    return VLC_SUCCESS;
}