diff options
Diffstat (limited to 'src/spu_dec/sputext_decoder.c')
| -rw-r--r-- | src/spu_dec/sputext_decoder.c | 992 |
1 files changed, 992 insertions, 0 deletions
diff --git a/src/spu_dec/sputext_decoder.c b/src/spu_dec/sputext_decoder.c new file mode 100644 index 000000000..12d1986bb --- /dev/null +++ b/src/spu_dec/sputext_decoder.c @@ -0,0 +1,992 @@ +/* + * Copyright (C) 2000-2004 the xine project + * + * This file is part of xine, a free video player. + * + * xine is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * xine is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + */ + +#include <stdlib.h> +#include <stdio.h> +#include <unistd.h> +#include <string.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <ctype.h> + +#define LOG_MODULE "libsputext" +#define LOG_VERBOSE +/* +#define LOG +*/ + +#include <xine/buffer.h> +#include <xine/xine_internal.h> +#include <xine/xineutils.h> +#include <xine/osd.h> + +#define SUB_MAX_TEXT 5 /* lines */ +#define SUB_BUFSIZE 256 /* chars per line */ + +#define rgb2yuv(R,G,B) ((((((66*R+129*G+25*B+128)>>8)+16)<<8)|(((112*R-94*G-18*B+128)>>8)+128))<<8|(((-38*R-74*G+112*B+128)>>8)+128)) + +static uint32_t sub_palette[22]={ +/* RED */ + rgb2yuv(0,0,0), + rgb2yuv(0,0,0), + rgb2yuv(0,0,0), + rgb2yuv(0,0,0), + rgb2yuv(0,0,0), + rgb2yuv(0,0,0), + rgb2yuv(0,0,0), + rgb2yuv(50,10,10), + rgb2yuv(120,20,20), + rgb2yuv(185,50,50), + rgb2yuv(255,70,70), +/* BLUE */ + rgb2yuv(0,0,0), + rgb2yuv(0,0,0), + rgb2yuv(0,0,0), + rgb2yuv(0,0,0), + rgb2yuv(0,0,0), + rgb2yuv(0,0,0), + rgb2yuv(0,0,0), + rgb2yuv(0,30,50), + rgb2yuv(0,90,120), + rgb2yuv(0,140,185), + rgb2yuv(0,170,255) +}; + +static uint8_t sub_trans[22]={ + 0, 0, 3, 6, 8, 10, 12, 14, 15, 15, 15, + 0, 0, 3, 6, 8, 10, 12, 14, 15, 15, 15 +}; + +typedef enum { + SUBTITLE_SIZE_TINY = 0, + SUBTITLE_SIZE_SMALL, + SUBTITLE_SIZE_NORMAL, + SUBTITLE_SIZE_LARGE, + SUBTITLE_SIZE_VERY_LARGE, + SUBTITLE_SIZE_HUGE, + + SUBTITLE_SIZE_NUM /* number of values in enum */ +} subtitle_size; + +#define FONTNAME_SIZE 100 + +typedef struct sputext_class_s { + spu_decoder_class_t class; + + subtitle_size subtitle_size; /* size of subtitles */ + int vertical_offset; + char font[FONTNAME_SIZE]; /* subtitle font */ +#ifdef HAVE_FT2 + char font_ft[FILENAME_MAX]; /* subtitle font */ + int use_font_ft; /* use Freetype */ +#endif + char *src_encoding; /* encoding of subtitle file */ + int use_unscaled; /* use unscaled OSD if possible */ + + xine_t *xine; + +} sputext_class_t; + + +typedef struct sputext_decoder_s { + spu_decoder_t spu_decoder; + + sputext_class_t *class; + xine_stream_t *stream; + + int ogm; + int lines; + char text[SUB_MAX_TEXT][SUB_BUFSIZE]; + + /* below 3 variables are the same from class. use to detect + * when something changes. + */ + subtitle_size subtitle_size; /* size of subtitles */ + int vertical_offset; + char font[FILENAME_MAX]; /* subtitle font */ + char *buf_encoding; /* encoding of subtitle buffer */ + + int width; /* frame width */ + int height; /* frame height */ + int font_size; + int line_height; + int started; + int finished; + + osd_renderer_t *renderer; + osd_object_t *osd; + int current_osd_text; + uint32_t spu_palette[OVL_PALETTE_SIZE]; + uint8_t spu_trans[OVL_PALETTE_SIZE]; + + int64_t img_duration; + int64_t last_subtitle_end; /* no new subtitle before this vpts */ + int unscaled; /* use unscaled OSD */ + + int last_lines; /* number of lines of the previous subtitle */ +} sputext_decoder_t; + +static inline char *get_font (sputext_class_t *class) +{ +#ifdef HAVE_FT2 + return class->use_font_ft ? class->font_ft : class->font; +#else + return class->font; +#endif +} + +static void update_font_size (sputext_decoder_t *this, int force_update) { + static int sizes[SUBTITLE_SIZE_NUM] = { 16, 20, 24, 32, 48, 64 }; + + int y; + + if ((this->subtitle_size != this->class->subtitle_size) || + (this->vertical_offset != this->class->vertical_offset) || + force_update) { + + this->subtitle_size = this->class->subtitle_size; + this->vertical_offset = this->class->vertical_offset; + this->last_lines = 0; + + this->font_size = sizes[this->class->subtitle_size]; + + this->line_height = this->font_size + 10; + + y = this->height - (SUB_MAX_TEXT * this->line_height) - 5; + + if(((y - this->class->vertical_offset) >= 0) && ((y - this->class->vertical_offset) <= this->height)) + y -= this->class->vertical_offset; + + if( this->osd ) + this->renderer->free_object (this->osd); + + lprintf("new osd object, width %d, height %d*%d\n", this->width, SUB_MAX_TEXT, this->line_height); + this->osd = this->renderer->new_object (this->renderer, + this->width, + SUB_MAX_TEXT * this->line_height); + + this->renderer->set_font (this->osd, get_font (this->class), this->font_size); + this->renderer->set_position (this->osd, 0, y); + } +} + +static void update_output_size (sputext_decoder_t *this) { + int unscaled; + + unscaled = this->class->use_unscaled && + (this->stream->video_out->get_capabilities(this->stream->video_out) & + VO_CAP_UNSCALED_OVERLAY); + + if( unscaled != this->unscaled ) { + this->unscaled = unscaled; + this->width = 0; /* force update */ + } + + /* initialize decoder if needed */ + if( this->unscaled ) { + if( this->width != this->stream->video_out->get_property(this->stream->video_out, + VO_PROP_WINDOW_WIDTH) || + this->height != this->stream->video_out->get_property(this->stream->video_out, + VO_PROP_WINDOW_HEIGHT) || + !this->img_duration || !this->osd ) { + + int width = 0, height = 0; /* dummy */ + + this->stream->video_out->status(this->stream->video_out, NULL, + &width, &height, &this->img_duration ); + if( width && height ) { + + this->width = this->stream->video_out->get_property(this->stream->video_out, + VO_PROP_WINDOW_WIDTH); + this->height = this->stream->video_out->get_property(this->stream->video_out, + VO_PROP_WINDOW_HEIGHT); + + if(!this->osd || (this->width && this->height)) { + this->renderer = this->stream->osd_renderer; + + update_font_size (this, 1); + } + } + } + } else { + if( !this->width || !this->height || !this->img_duration || !this->osd ) { + + this->width = 0; + this->height = 0; + + this->stream->video_out->status(this->stream->video_out, NULL, + &this->width, &this->height, &this->img_duration ); + + if(!this->osd || ( this->width && this->height)) { + this->renderer = this->stream->osd_renderer; + + update_font_size (this, 1); + } + } + } +} + +static int parse_utf8_size(const void *buf) +{ + const uint8_t *c = buf; + if ( c[0]<0x80 ) + return 1; + + if( c[1]==0 ) + return 1; + if ( (c[0]>=0xC2 && c[0]<=0xDF) && (c[1]>=0x80 && c[1]<=0xBF) ) + return 2; + + if( c[2]==0 ) + return 2; + else if ( c[0]==0xE0 && (c[1]>=0xA0 && c[1]<=0xBF) && (c[2]>=0x80 && c[1]<=0xBF) ) + return 3; + else if ( (c[0]>=0xE1 && c[0]<=0xEC) && (c[1]>=0x80 && c[1]<=0xBF) && (c[2]>=0x80 && c[1]<=0xBF) ) + return 3; + else if ( c[0]==0xED && (c[1]>=0x80 && c[1]<=0x9F) && (c[2]>=0x80 && c[1]<=0xBF) ) + return 3; + else if ( c[0]==0xEF && (c[1]>=0xA4 && c[1]<=0xBF) && (c[2]>=0x80 && c[1]<=0xBF) ) + return 3; + else + return 1; +} + +static int ogm_render_line_internal(sputext_decoder_t *this, int x, int y, const char *text, int render) +{ + int i = 0, w, dummy; + char letter[5]={0, 0, 0, 0, 0}; + const char *encoding = this->buf_encoding ? this->buf_encoding + : this->class->src_encoding; + int shift, isutf8 = !strcmp(encoding, "utf-8"); + size_t length = strlen (text); + + while (i <= length) { + switch (text[i]) { + case '<': + if (!strncmp("<b>", text+i, 3)) { + /* enable Bold color */ + if (render) + this->current_osd_text = OSD_TEXT2; + i=i+3; + break; + } else if (!strncmp("</b>", text+i, 4)) { + /* disable BOLD */ + if (render) + this->current_osd_text = OSD_TEXT1; + i=i+4; + break; + } else if (!strncmp("<i>", text+i, 3)) { + /* enable italics color */ + if (render) + this->current_osd_text = OSD_TEXT3; + i=i+3; + break; + } else if (!strncmp("</i>", text+i, 4)) { + /* disable italics */ + if (render) + this->current_osd_text = OSD_TEXT1; + i=i+4; + break; + } else if (!strncmp("<font>", text+i, 6)) { + /*Do somethink to disable typing + fixme - no teststreams*/ + i=i+6; + break; + } else if (!strncmp("</font>", text+i, 7)) { + /*Do somethink to enable typing + fixme - no teststreams*/ + i=i+7; + break; + } + default: + shift = isutf8 ? parse_utf8_size (&text[i]) : 1; + memcpy(letter,&text[i],shift); + letter[shift]=0; + + if (render) + this->renderer->render_text(this->osd, x, y, letter, this->current_osd_text); + this->renderer->get_text_size(this->osd, letter, &w, &dummy); + x=x+w; + i+=shift; + } + } + return x; +} + +static inline int ogm_get_width(sputext_decoder_t *this, char* text) { + return ogm_render_line_internal (this, 0, 0, text, 0); +} + +static inline void ogm_render_line(sputext_decoder_t *this, int x, int y, char* text) { + ogm_render_line_internal (this, x, y, text, 1); +} + +static void draw_subtitle(sputext_decoder_t *this, int64_t sub_start, int64_t sub_end ) { + + int line, y; + int font_size; + char *font; + + _x_assert(this->renderer != NULL); + if ( ! this->renderer ) + return; + + update_font_size(this, 0); + + font = get_font (this->class); + if( strcmp(this->font, font) ) { + strncpy(this->font, font, FILENAME_MAX); + this->font[FILENAME_MAX - 1] = '\0'; + this->renderer->set_font (this->osd, font, this->font_size); + } + + font_size = this->font_size; + if (this->buf_encoding) + this->renderer->set_encoding(this->osd, this->buf_encoding); + else + this->renderer->set_encoding(this->osd, this->class->src_encoding); + + for (line = 0; line < this->lines; line++) /* first, check lenghts and word-wrap if needed */ + { + int w; + w = ogm_get_width( this, this->text[line]); + if( w > this->width ) { /* line is too long */ + int chunks=(int)(w/this->width)+(w%this->width?1:0); + if( this->lines+chunks <= SUB_MAX_TEXT && chunks>1 ) { /* try adding newlines while keeping existing ones */ + int a; + xprintf(this->stream->xine, XINE_VERBOSITY_DEBUG,"Partial subtitle line splitting in %i chunks\n",chunks); + for(a=this->lines-1;a>=0;a--) { + if(a>line) /* lines after the too-long one */ + memcpy(this->text[a+chunks-1],this->text[a],SUB_BUFSIZE); + else if(a==line) { /* line to be splitted */ + int b,len=strlen(this->text[line]); + char *p=this->text[line]; + for(b=0;b<chunks;b++) { + char *c; + if(b==chunks-1) { /* if we are reading the last chunk, copy it completly */ + strncpy(this->text[line+b],p,SUB_BUFSIZE); + this->text[line+b][SUB_BUFSIZE - 1] = '\0'; + } else { + for(c=p+(int)(len/chunks)+(len%chunks?1:0);*c!=' ' && c>p && c!='\0';c--); + if(*c==' ') { + *c='\0'; + if(b) { /* we are reading something that has to be moved to another line */ + strncpy(this->text[line+b],p,SUB_BUFSIZE); + this->text[line+b][SUB_BUFSIZE - 1] = '\0'; + } + p=c+1; + } + } + } + } + } + this->lines+=chunks-1; + } else { /* regenerate all the lines to find something that better fits */ + char buf[SUB_BUFSIZE*SUB_MAX_TEXT]; + int a,w,chunks; + buf[0]='\0'; + for(a=0;a<this->lines;a++) { + if(a) { + int len=strlen(buf); + buf[len]=' '; + buf[len+1]='\0'; + } + strcat(buf,this->text[a]); + } + w = ogm_get_width( this, buf); + chunks=(int)(w/this->width)+(w%this->width?1:0); + xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "Complete subtitle line splitting in %i chunks\n",chunks); + if(chunks<=SUB_MAX_TEXT) {/* if the length is over than SUB_MAX_TEXT*this->width nothing can be done */ + int b,len=strlen(buf); + char *p=buf; + for(b=0;b<chunks;b++) { + char *c; + if(b==chunks-1) { /* if we are reading the last chunk, copy it completly */ + strncpy(this->text[b],p,SUB_BUFSIZE); + this->text[b][SUB_BUFSIZE - 1] = '\0'; + } else { + for(c=p+(int)(len/chunks)+(len%chunks?1:0);*c!=' ' && c>p && c!='\0';c--); + if(*c==' ') { + *c='\0'; + strncpy(this->text[b],p,SUB_BUFSIZE); + this->text[b][SUB_BUFSIZE - 1] = '\0'; + p=c+1; + } + } + } + this->lines=chunks; + } else + xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "Subtitle too long to be splited\n"); + line=this->lines; + } + } + } + + font_size = this->font_size; + if (this->buf_encoding) + this->renderer->set_encoding(this->osd, this->buf_encoding); + else + this->renderer->set_encoding(this->osd, this->class->src_encoding); + + for (line = 0; line < this->lines; line++) /* first, check lenghts and word-wrap if needed */ + { + int w; + w = ogm_get_width( this, this->text[line]); + if( w > this->width ) { /* line is too long */ + int chunks=(int)(w/this->width)+(w%this->width?1:0); + if( this->lines+chunks <= SUB_MAX_TEXT && chunks>1 ) { /* try adding newlines while keeping existing ones */ + int a; + xprintf(this->stream->xine, XINE_VERBOSITY_DEBUG,"Partial subtitle line splitting in %i chunks\n",chunks); + for(a=this->lines-1;a>=0;a--) { + if(a>line) /* lines after the too-long one */ + memcpy(this->text[a+chunks-1],this->text[a],SUB_BUFSIZE); + else if(a==line) { /* line to be splitted */ + int b,len=strlen(this->text[line]); + char *p=this->text[line]; + for(b=0;b<chunks;b++) { + char *c; + if(b==chunks-1) { /* if we are reading the last chunk, copy it completly */ + strncpy(this->text[line+b],p,SUB_BUFSIZE); + this->text[line+b][SUB_BUFSIZE - 1] = '\0'; + } else { + for(c=p+(int)(len/chunks)+(len%chunks?1:0);*c!=' ' && c>p && c!='\0';c--); + if(*c==' ') { + *c='\0'; + if(b) { /* we are reading something that has to be moved to another line */ + strncpy(this->text[line+b],p,SUB_BUFSIZE); + this->text[line+b][SUB_BUFSIZE - 1] = '\0'; + } + p=c+1; + } + } + } + } + } + this->lines+=chunks-1; + } else { /* regenerate all the lines to find something that better fits */ + char buf[SUB_BUFSIZE*SUB_MAX_TEXT]; + int a,w,chunks; + buf[0]='\0'; + for(a=0;a<this->lines;a++) { + if(a) { + int len=strlen(buf); + buf[len]=' '; + buf[len+1]='\0'; + } + strcat(buf,this->text[a]); + } + w = ogm_get_width( this, buf); + chunks=(int)(w/this->width)+(w%this->width?1:0); + xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "Complete subtitle line splitting in %i chunks\n",chunks); + if(chunks<=SUB_MAX_TEXT) {/* if the length is over than SUB_MAX_TEXT*this->width nothing can be done */ + int b,len=strlen(buf); + char *p=buf; + for(b=0;b<chunks;b++) { + char *c; + if(b==chunks-1) { /* if we are reading the last chunk, copy it completly */ + strncpy(this->text[b],p,SUB_BUFSIZE); + this->text[b][SUB_BUFSIZE - 1] = '\0'; + } else { + for(c=p+(int)(len/chunks)+(len%chunks?1:0);*c!=' ' && c>p && c!='\0';c--); + if(*c==' ') { + *c='\0'; + strncpy(this->text[b],p,SUB_BUFSIZE); + this->text[b][SUB_BUFSIZE - 1] = '\0'; + p=c+1; + } + } + } + this->lines=chunks; + } else + xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, "Subtitle too long to be splited\n"); + line=this->lines; + } + } + } + + if (this->last_lines) + this->renderer->filled_rect (this->osd, 0, this->line_height * (SUB_MAX_TEXT - this->last_lines), + this->width - 1, this->line_height * SUB_MAX_TEXT - 1, 0); + this->last_lines = this->lines; + y = (SUB_MAX_TEXT - this->lines) * this->line_height; + + for (line = 0; line < this->lines; line++) { + int w, x; + + while(1) { + w = ogm_get_width( this, this->text[line]); + x = (this->width - w) / 2; + + if( w > this->width && font_size > 16 ) { + font_size -= 4; + this->renderer->set_font (this->osd, get_font (this->class), font_size); + } else { + break; + } + } + + ogm_render_line(this, x, y + line*this->line_height, this->text[line]); + } + + if( font_size != this->font_size ) + this->renderer->set_font (this->osd, get_font (this->class), this->font_size); + + if( this->last_subtitle_end && sub_start < this->last_subtitle_end ) { + sub_start = this->last_subtitle_end; + } + this->last_subtitle_end = sub_end; + + this->renderer->set_text_palette (this->osd, -1, OSD_TEXT1); + this->renderer->get_palette(this->osd, this->spu_palette, this->spu_trans); + /* append some colors for colored typeface tag */ + memcpy(this->spu_palette+OSD_TEXT2, sub_palette, sizeof(sub_palette)); + memcpy(this->spu_trans+OSD_TEXT2, sub_trans, sizeof(sub_trans)); + this->renderer->set_palette(this->osd, this->spu_palette, this->spu_trans); + + if (this->unscaled) + this->renderer->show_unscaled (this->osd, sub_start); + else + this->renderer->show (this->osd, sub_start); + + this->renderer->hide (this->osd, sub_end); + + lprintf ("scheduling subtitle >%s< at %"PRId64" until %"PRId64", current time is %"PRId64"\n", + this->text[0], sub_start, sub_end, + this->stream->xine->clock->get_current_time (this->stream->xine->clock)); +} + + +static void spudec_decode_data (spu_decoder_t *this_gen, buf_element_t *buf) { + + sputext_decoder_t *this = (sputext_decoder_t *) this_gen; + int uses_time; + int32_t start, end, diff; + int64_t start_vpts, end_vpts; + int64_t spu_offset; + int i; + uint32_t *val; + char *str; + extra_info_t extra_info; + int master_status, slave_status; + int vo_discard; + + /* filter unwanted streams */ + if (buf->decoder_flags & BUF_FLAG_HEADER) { + return; + } + if (buf->decoder_flags & BUF_FLAG_PREVIEW) + return; + + if ((this->stream->spu_channel & 0x1f) != (buf->type & 0x1f)) + return; + + if ( (buf->decoder_flags & BUF_FLAG_SPECIAL) && + (buf->decoder_info[1] == BUF_SPECIAL_CHARSET_ENCODING) ) + this->buf_encoding = buf->decoder_info_ptr[2]; + else + this->buf_encoding = NULL; + + this->current_osd_text = OSD_TEXT1; + + if( (buf->type & 0xFFFF0000) == BUF_SPU_OGM ) { + + this->ogm = 1; + uses_time = 1; + val = (uint32_t * )buf->content; + start = *val++; + end = *val++; + str = (char *)val; + + if (!*str) return; + /* Empty ogm packets (as created by ogmmux) clears out old messages. We already respect the end time. */ + + this->lines = 0; + + i = 0; + while (*str && (this->lines < SUB_MAX_TEXT) && (i < SUB_BUFSIZE)) { + if (*str == '\r' || *str == '\n') { + if (i) { + this->text[ this->lines ][i] = 0; + this->lines++; + i = 0; + } + } else { + this->text[ this->lines ][i] = *str; + if (i < SUB_BUFSIZE-1) + i++; + } + str++; + } + if (i == SUB_BUFSIZE) + i--; + + if (i) { + this->text[ this->lines ][i] = 0; + this->lines++; + } + + } else { + + this->ogm = 0; + val = (uint32_t * )buf->content; + + this->lines = *val++; + uses_time = *val++; + start = *val++; + end = *val++; + str = (char *)val; + for (i = 0; i < this->lines; i++, str += strlen(str) + 1) { + strncpy( this->text[i], str, SUB_BUFSIZE - 1); + this->text[i][SUB_BUFSIZE - 1] = '\0'; + } + + } + + xprintf(this->class->xine, XINE_VERBOSITY_DEBUG, + "libsputext: decoder data [%s]\n", this->text[0]); + xprintf(this->class->xine, XINE_VERBOSITY_DEBUG, + "libsputext: mode %d timing %d->%d\n", uses_time, start, end); + + if( end <= start ) { + xprintf(this->class->xine, XINE_VERBOSITY_DEBUG, + "libsputext: discarding subtitle with invalid timing\n"); + return; + } + + spu_offset = this->stream->master->metronom->get_option (this->stream->master->metronom, + METRONOM_SPU_OFFSET); + if( uses_time ) { + start += (spu_offset / 90); + end += (spu_offset / 90); + } else { + if( this->osd && this->img_duration ) { + start += spu_offset / this->img_duration; + end += spu_offset / this->img_duration; + } + } + + while( !this->finished ) { + + master_status = xine_get_status (this->stream->master); + slave_status = xine_get_status (this->stream); + vo_discard = this->stream->video_out->get_property(this->stream->video_out, + VO_PROP_DISCARD_FRAMES); + + _x_get_current_info (this->stream->master, &extra_info, sizeof(extra_info) ); + + lprintf("master: %d slave: %d input_normpos: %d vo_discard: %d\n", + master_status, slave_status, extra_info.input_normpos, vo_discard); + + if( !this->started && (master_status == XINE_STATUS_PLAY && + slave_status == XINE_STATUS_PLAY && + extra_info.input_normpos) ) { + lprintf("started\n"); + + this->width = this->height = 0; + + update_output_size( this ); + if( this->width && this->height ) { + this->started = 1; + } + } + + if( this->started ) { + + if( master_status != XINE_STATUS_PLAY || + slave_status != XINE_STATUS_PLAY || + vo_discard ) { + lprintf("finished\n"); + + this->width = this->height = 0; + this->finished = 1; + return; + } + + if( this->osd ) { + + /* try to use frame number mode */ + if( !uses_time && extra_info.frame_number ) { + + diff = end - extra_info.frame_number; + + /* discard old subtitles */ + if( diff < 0 ) { + xprintf(this->class->xine, XINE_VERBOSITY_DEBUG, + "libsputext: discarding old subtitle\n"); + return; + } + + diff = start - extra_info.frame_number; + + start_vpts = extra_info.vpts + diff * this->img_duration; + end_vpts = start_vpts + (end-start) * this->img_duration; + + } else { + + if( !uses_time ) { + start = start * this->img_duration / 90; + end = end * this->img_duration / 90; + uses_time = 1; + } + + diff = end - extra_info.input_time; + + /* discard old subtitles */ + if( diff < 0 ) { + xprintf(this->class->xine, XINE_VERBOSITY_DEBUG, + "libsputext: discarding old subtitle\n"); + return; + } + + diff = start - extra_info.input_time; + + start_vpts = extra_info.vpts + diff * 90; + end_vpts = start_vpts + (end-start) * 90; + } + + _x_spu_decoder_sleep(this->stream, start_vpts); + update_output_size( this ); + draw_subtitle(this, start_vpts, end_vpts); + + return; + } + } + + if (_x_spu_decoder_sleep(this->stream, 0)) + xine_usec_sleep (50000); + else + return; + } +} + + +static void spudec_reset (spu_decoder_t *this_gen) { + sputext_decoder_t *this = (sputext_decoder_t *) this_gen; + + lprintf("i guess we just seeked\n"); + this->width = this->height = 0; + this->started = this->finished = 0; + this->last_subtitle_end = 0; +} + +static void spudec_discontinuity (spu_decoder_t *this_gen) { + /* sputext_decoder_t *this = (sputext_decoder_t *) this_gen; */ + +} + +static void spudec_dispose (spu_decoder_t *this_gen) { + sputext_decoder_t *this = (sputext_decoder_t *) this_gen; + + if (this->osd) { + this->renderer->free_object (this->osd); + this->osd = NULL; + } + free(this); +} + +static void update_vertical_offset(void *class_gen, xine_cfg_entry_t *entry) +{ + sputext_class_t *class = (sputext_class_t *)class_gen; + + class->vertical_offset = entry->num_value; +} + +static void update_osd_font(void *class_gen, xine_cfg_entry_t *entry) +{ + sputext_class_t *class = (sputext_class_t *)class_gen; + + strncpy(class->font, entry->str_value, FONTNAME_SIZE); + class->font[FONTNAME_SIZE - 1] = '\0'; + + xprintf(class->xine, XINE_VERBOSITY_DEBUG, "libsputext: spu_font = %s\n", class->font ); +} + +#ifdef HAVE_FT2 +static void update_osd_font_ft(void *class_gen, xine_cfg_entry_t *entry) +{ + sputext_class_t *class = (sputext_class_t *)class_gen; + + strncpy(class->font_ft, entry->str_value, FILENAME_MAX); + class->font_ft[FILENAME_MAX - 1] = '\0'; + + xprintf(class->xine, XINE_VERBOSITY_DEBUG, "libsputext: spu_font_ft = %s\n", class->font_ft); +} + +static void update_osd_use_font_ft(void *class_gen, xine_cfg_entry_t *entry) +{ + sputext_class_t *class = (sputext_class_t *)class_gen; + + class->use_font_ft = entry->num_value; + + xprintf(class->xine, XINE_VERBOSITY_DEBUG, "libsputext: spu_use_font_ft = %d\n", class->use_font_ft); +} +#endif + +static void update_subtitle_size(void *class_gen, xine_cfg_entry_t *entry) +{ + sputext_class_t *class = (sputext_class_t *)class_gen; + + class->subtitle_size = entry->num_value; +} + +static void update_use_unscaled(void *class_gen, xine_cfg_entry_t *entry) +{ + sputext_class_t *class = (sputext_class_t *)class_gen; + + class->use_unscaled = entry->num_value; +} + +static spu_decoder_t *sputext_class_open_plugin (spu_decoder_class_t *class_gen, xine_stream_t *stream) { + + sputext_class_t *class = (sputext_class_t *)class_gen; + sputext_decoder_t *this ; + + this = (sputext_decoder_t *) xine_xmalloc (sizeof (sputext_decoder_t)); + + this->spu_decoder.decode_data = spudec_decode_data; + this->spu_decoder.reset = spudec_reset; + this->spu_decoder.discontinuity = spudec_discontinuity; + this->spu_decoder.get_interact_info = NULL; + this->spu_decoder.set_button = NULL; + this->spu_decoder.dispose = spudec_dispose; + + this->class = class; + this->stream = stream; + + return (spu_decoder_t *) this; +} + +static void sputext_class_dispose (spu_decoder_class_t *class_gen) { + sputext_class_t *this = (sputext_class_t *)class_gen; + + this->xine->config->unregister_callback(this->xine->config, + "subtitles.separate.src_encoding"); + this->xine->config->unregister_callback(this->xine->config, + "subtitles.separate.subtitle_size"); + this->xine->config->unregister_callback(this->xine->config, + "subtitles.separate.vertical_offset"); + this->xine->config->unregister_callback(this->xine->config, + "subtitles.separate.use_unscaled_osd"); + free (this); +} + +static void update_src_encoding(void *class_gen, xine_cfg_entry_t *entry) +{ + sputext_class_t *class = (sputext_class_t *)class_gen; + + class->src_encoding = entry->str_value; + xprintf(class->xine, XINE_VERBOSITY_DEBUG, "libsputext: spu_src_encoding = %s\n", class->src_encoding ); +} + +static void *init_spu_decoder_plugin (xine_t *xine, void *data) { + + static const char *const subtitle_size_strings[] = { + "tiny", "small", "normal", "large", "very large", "huge", NULL + }; + sputext_class_t *this ; + + lprintf("init class\n"); + + this = (sputext_class_t *) xine_xmalloc (sizeof (sputext_class_t)); + + this->class.open_plugin = sputext_class_open_plugin; + this->class.identifier = "sputext"; + this->class.description = N_("external subtitle decoder plugin"); + this->class.dispose = sputext_class_dispose; + + this->xine = xine; + + this->subtitle_size = xine->config->register_enum(xine->config, + "subtitles.separate.subtitle_size", + 1, + subtitle_size_strings, + _("subtitle size"), + _("You can adjust the subtitle size here. The setting will " + "be evaluated relative to the window size."), + 0, update_subtitle_size, this); + this->vertical_offset = xine->config->register_num(xine->config, + "subtitles.separate.vertical_offset", + 0, + _("subtitle vertical offset"), + _("You can adjust the vertical position of the subtitle. " + "The setting will be evaluated relative to the window size."), + 0, update_vertical_offset, this); + strncpy(this->font, xine->config->register_string(xine->config, + "subtitles.separate.font", + "sans", + _("font for subtitles"), + _("A font from the xine font directory to be used for the " + "subtitle text."), + 10, update_osd_font, this), FONTNAME_SIZE); + this->font[FONTNAME_SIZE - 1] = '\0'; +#ifdef HAVE_FT2 + strncpy(this->font_ft, xine->config->register_filename(xine->config, + "subtitles.separate.font_freetype", + "", XINE_CONFIG_STRING_IS_FILENAME, + _("font for subtitles"), + _("An outline font file (e.g. a .ttf) to be used for the subtitle text."), + 10, update_osd_font_ft, this), FILENAME_MAX); + this->font_ft[FILENAME_MAX - 1] = '\0'; + this->use_font_ft = xine->config->register_bool(xine->config, + "subtitles.separate.font_use_freetype", + 0, + _("whether to use a freetype font"), + NULL, + 10, update_osd_use_font_ft, this); +#endif + this->src_encoding = xine->config->register_string(xine->config, + "subtitles.separate.src_encoding", + xine_guess_spu_encoding(), + _("encoding of the subtitles"), + _("The encoding of the subtitle text in the stream. This setting " + "is used to render non-ASCII characters correctly. If non-ASCII " + "characters are not displayed as you expect, ask the " + "creator of the subtitles what encoding was used."), + 10, update_src_encoding, this); + this->use_unscaled = xine->config->register_bool(xine->config, + "subtitles.separate.use_unscaled_osd", + 1, + _("use unscaled OSD if possible"), + _("The unscaled OSD will be rendered independently of the video " + "frame and will always be sharp, even if the video is magnified. " + "This will look better, but does not work with all graphics " + "hardware. The alternative is the scaled OSD, which will become " + "blurry, if you enlarge a low resolution video to fullscreen, but " + "it works with all graphics cards."), + 10, update_use_unscaled, this); + + return &this->class; +} + + +/* plugin catalog information */ +static uint32_t supported_types[] = { BUF_SPU_TEXT, BUF_SPU_OGM, 0 }; + +static const decoder_info_t spudec_info = { + supported_types, /* supported types */ + 1 /* priority */ +}; + +const plugin_info_t xine_plugin_info[] EXPORTED = { + /* type, API, "name", version, special_info, init_function */ + { PLUGIN_SPU_DECODER | PLUGIN_MUST_PRELOAD, 17, "sputext", XINE_VERSION_CODE, &spudec_info, &init_spu_decoder_plugin }, + { PLUGIN_NONE, 0, "", 0, NULL, NULL } +}; |