diff options
Diffstat (limited to 'src/libsputext/xine_sputext_decoder.c')
| -rw-r--r-- | src/libsputext/xine_sputext_decoder.c | 1215 |
1 files changed, 0 insertions, 1215 deletions
diff --git a/src/libsputext/xine_sputext_decoder.c b/src/libsputext/xine_sputext_decoder.c deleted file mode 100644 index cda8a5983..000000000 --- a/src/libsputext/xine_sputext_decoder.c +++ /dev/null @@ -1,1215 +0,0 @@ -/* - * 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 - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#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 "buffer.h" -#include "xine_internal.h" -#include "xineutils.h" -#include "osd.h" - -#define SUB_MAX_TEXT 5 /* lines */ -#define SUB_BUFSIZE 256 /* chars per line */ - -/* alignment in SSA codes */ -#define ALIGN_LEFT 1 -#define ALIGN_CENTER 2 -#define ALIGN_RIGHT 3 -#define ALIGN_BOTTOM 0 -#define ALIGN_TOP 4 -#define ALIGN_MIDDLE 8 -#define GET_X_ALIGNMENT(a) ((a) & 3) -#define GET_Y_ALIGNMENT(a) ((a) - ((a) & 3)) - -/* subtitles projection */ -/* for subrip file with SSA tags, those values are always correct.*/ -/* But for SSA files, those values are the default ones. we have */ -/* to use PlayResX and PlayResY defined in [Script Info] section. */ -/* not implemented yet... */ -#define SPU_PROJECTION_X 384 -#define SPU_PROJECTION_Y 288 - - - -#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 const 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 const 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; - - -/* Convert subtiles coordinates in window coordinates. */ -/* (a, b) --> (x + a * dx, y + b * dy) */ -typedef struct video2wnd_s { - int x; - int y; - double dx; - double dy; -} video2wnd_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_y; /* location of the previous subtitle */ - int last_lines; /* number of lines of the previous subtitle */ - video2wnd_t video2wnd; -} 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 const int sizes[SUBTITLE_SIZE_NUM] = { 16, 20, 24, 32, 48, 64 }; - - 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; - - /* Create a full-window OSD */ - if( this->osd ) - this->renderer->free_object (this->osd); - - this->osd = this->renderer->new_object (this->renderer, - this->width, - this->height); - - this->renderer->set_font (this->osd, get_font (this->class), this->font_size); - - this->renderer->set_position (this->osd, 0, 0); - } -} - -static void update_output_size (sputext_decoder_t *this) { - const int 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; - - 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)) { - - /* in unscaled mode, we have to convert subtitle position in window coordinates. */ - /* we have a scale factor because video may be zommed */ - /* and a displacement factor because video may have blacks lines. */ - int output_width, output_height, output_xoffset, output_yoffset; - - output_width = this->stream->video_out->get_property(this->stream->video_out, - VO_PROP_OUTPUT_WIDTH); - output_height = this->stream->video_out->get_property(this->stream->video_out, - VO_PROP_OUTPUT_HEIGHT); - output_xoffset = this->stream->video_out->get_property(this->stream->video_out, - VO_PROP_OUTPUT_XOFFSET); - output_yoffset = this->stream->video_out->get_property(this->stream->video_out, - VO_PROP_OUTPUT_YOFFSET); - - /* driver don't seen to be capable to give us those values */ - /* fallback to a default full-window values */ - if (output_width <= 0 || output_height <= 0) { - output_width = this->width; - output_height = this->height; - output_xoffset = 0; - output_yoffset = 0; - } - - this->video2wnd.x = output_xoffset; - this->video2wnd.y = output_yoffset; - this->video2wnd.dx = (double)output_width / SPU_PROJECTION_X; - this->video2wnd.dy = (double)output_height / SPU_PROJECTION_Y; - - 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; - - /* in scaled mode, we have to convert subtitle position in film coordinates. */ - this->video2wnd.x = 0; - this->video2wnd.y = 0; - this->video2wnd.dx = (double)this->width / SPU_PROJECTION_X; - this->video2wnd.dy = (double)this->height / SPU_PROJECTION_Y; - - update_font_size (this, 1); - } - } - } -} - -static int parse_utf8_size(const uint8_t *c) -{ - 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) -{ - const size_t length = strlen (text); - size_t i = 0; - - while (i <= length) { - - if (text[i] == '<') { - if (!strncmp("<b>", text+i, 3)) { - /* enable Bold color */ - if (render) - this->current_osd_text = OSD_TEXT2; - i=i+3; - continue; - } else if (!strncmp("</b>", text+i, 4)) { - /* disable BOLD */ - if (render) - this->current_osd_text = OSD_TEXT1; - i=i+4; - continue; - } else if (!strncmp("<i>", text+i, 3)) { - /* enable italics color */ - if (render) - this->current_osd_text = OSD_TEXT3; - i=i+3; - continue; - } else if (!strncmp("</i>", text+i, 4)) { - /* disable italics */ - if (render) - this->current_osd_text = OSD_TEXT1; - i=i+4; - continue; - } else if (!strncmp("<font>", text+i, 6)) { - /*Do somethink to disable typing - fixme - no teststreams*/ - i=i+6; - continue; - } else if (!strncmp("</font>", text+i, 7)) { - /*Do somethink to enable typing - fixme - no teststreams*/ - i=i+7; - continue; - } - } - if (text[i] == '{') { - - if (!strncmp("{\\", text+i, 2)) { - int value; - - if (sscanf(text+i, "{\\b%d}", &value) == 1) { - if (render) { - if (value) - this->current_osd_text = OSD_TEXT2; - else - this->current_osd_text = OSD_TEXT1; - } - } else if (sscanf(text+i, "{\\i%d}", &value) == 1) { - if (render) { - if (value) - this->current_osd_text = OSD_TEXT3; - else - this->current_osd_text = OSD_TEXT1; - } - } - char *const end = strstr(text+i+2, "}"); - if (end) { - i=end-text+1; - continue; - } - } - } - - char letter[5]; - const char *const encoding = this->buf_encoding ? : this->class->src_encoding; - const int isutf8 = !strcmp(encoding, "utf-8"); - const size_t 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); - - int w, dummy; - this->renderer->get_text_size(this->osd, letter, &w, &dummy); - 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); -} - -/* read SSA tags at begening of text. Suported tags are : */ -/* \a : alignment in SSA code (see #defines) */ -/* \an : alignment in 'numpad code' */ -/* \pos : absolute position of subtitles. Alignment define origin. */ -static void read_ssa_tag(sputext_decoder_t *this, const char* text, - int* alignment, int* sub_x, int* sub_y, int* max_width) { - - int in_tag = 0; - - (*alignment) = 2; - (*sub_x) = -1; - (*sub_y) = -1; - - while (*text) { - - /* wait for tag begin, allow space and tab */ - if (in_tag == 0) { - if (*text == '{') in_tag = 1; - else if ((*text != ' ') && (*text != '\t')) break; - - /* parse SSA command */ - } else { - if (*text == '\\') { - if (sscanf(text, "\\pos(%d,%d)", sub_x, sub_y) == 2) { - text += 8; /* just for speed up, 8 is the minimal with */ - } - - if (sscanf(text, "\\a%d", alignment) == 1) { - text += 2; - } - - if (sscanf(text, "\\an%d", alignment) == 1) { - text += 3; - if ((*alignment) > 6) (*alignment) = (*alignment) - 2; - else if ((*alignment) > 3) (*alignment) = (*alignment) + 5; - } - } - - if (*text == '}') in_tag = 0; - } - - text++; - } - - - /* check alignment validity */ - if ((*alignment) < 1 || (*alignment) > 11) { - (*alignment) = 2; - } - - /* convert to window coordinates */ - if ((*sub_x) >= 0 && (*sub_y) >= 0) { - (*sub_x) = this->video2wnd.x + this->video2wnd.dx * (*sub_x); - (*sub_y) = this->video2wnd.y + this->video2wnd.dy * (*sub_y); - } - - /* check validity, compute max width */ - if ( (*sub_x) < 0 || (*sub_x) >= this->width || - (*sub_y) < 0 || (*sub_y) >= this->height ) { - (*sub_x) = -1; - (*sub_y) = -1; - (*max_width) = this->width; - } else { - switch (GET_X_ALIGNMENT(*alignment)) { - case ALIGN_LEFT: - (*max_width) = this->width - (*sub_x); - break; - case ALIGN_CENTER: - (*max_width) = this->width; - break; - case ALIGN_RIGHT: - (*max_width) = (*sub_x); - break; - } - } - - xprintf(this->stream->xine, XINE_VERBOSITY_DEBUG, - "libsputext: position : (%d, %d), max width : %d, alignment : %d\n", - (*sub_x), (*sub_y), (*max_width), (*alignment)); -} - -static int is_cjk_encoding(const char *enc) { - /* CJK charset strings defined in iconvdata/gconv-modules of glibc */ - static const char cjk_encoding_strings[][16] = { - "SJIS", - "CP932", - "EUC-KR", - "UHC", - "JOHAB", - "BIG5", - "BIG5HKSCS", - "EUC-JP-MS", - "EUC-JP", - "EUC-CN", - "GBBIG5", - "GBK", - "GBGBK", - "EUC-TW", - "ISO-2022-JP", - "ISO-2022-JP-2", - "ISO-2022-JP-3", - "ISO-2022-KR", - "ISO-2022-CN", - "ISO-2022-CN-EXT", - "GB18030", - "EUC-JISX0213", - "SHIFT_JISX0213", - }; - - int pstr; - - /* return 1 if encoding string is one of the CJK(Chinese,Jananese,Korean) - * character set strings. */ - for (pstr = 0; pstr < sizeof (cjk_encoding_strings) / sizeof (cjk_encoding_strings[0]); pstr++) - if (strcasecmp (enc, cjk_encoding_strings[pstr]) == 0) - return 1; - - return 0; -} - -static void draw_subtitle(sputext_decoder_t *this, int64_t sub_start, int64_t sub_end ) { - - int y; - int sub_x, sub_y, max_width; - int alignment; - - _x_assert(this->renderer != NULL); - if ( ! this->renderer ) - return; - - read_ssa_tag(this, this->text[0], &alignment, &sub_x, &sub_y, &max_width); - - update_font_size(this, 0); - - const char *const 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); - } - - int font_size = this->font_size; - - const char *const encoding = this->buf_encoding ? : this->class->src_encoding; - this->renderer->set_encoding(this->osd, encoding); - - int rebuild_all = 0; - int line; - for (line = 0; line < this->lines; line++) { - int line_width = ogm_get_width(this, this->text[line]); - - /* line too long */ - if (line_width > max_width) { - char *current_cut, *best_cut; - int a; - - xprintf(this->stream->xine, XINE_VERBOSITY_DEBUG, - "libsputext: Line too long: %d > %d, split at max size.\n", - line_width, max_width); - - /* can't fit with keeping existing lines */ - if (this->lines + 1 > SUB_MAX_TEXT) { - xprintf(this->stream->xine, XINE_VERBOSITY_DEBUG, - "libsputext: Can't fit with keeping existing line, we have to rebuild all the subtitle\n"); - rebuild_all = 1; - break; - } - - /* find the longest sequence witch fit */ - line_width = 0; - current_cut = this->text[line]; - best_cut = NULL; - while (line_width < max_width) { - while (*current_cut && *current_cut != ' ') current_cut++; - if (*current_cut == ' ') { - *current_cut = 0; - line_width = ogm_get_width(this, this->text[line]); - *current_cut = ' '; - if (line_width < max_width) best_cut = current_cut; - current_cut++; - } else { - break; /* end of line */ - } - } - - if (best_cut == NULL) { - xprintf (this->stream->xine, XINE_VERBOSITY_DEBUG, - "libsputext: Can't wrap line: a word is too long, abort.\n"); - break; - } - - /* move other lines */ - for (a = this->lines - 1; a > line; a--) - memcpy(this->text[a + 1], this->text[a], SUB_BUFSIZE); - - /* split current one */ - strncpy(this->text[line + 1], best_cut + 1, SUB_BUFSIZE); - *best_cut = 0; - - this->lines = this->lines + 1; - } - } - - /* regenerate all the lines to find something that better fits */ - if (rebuild_all) { - char buf[SUB_BUFSIZE * SUB_MAX_TEXT] = { 0, }; - - int line; - for(line = 0; line < this->lines; line++) { - const size_t len = strlen(buf); - if (len) - buf[len] = ' '; - - strncat(buf, this->text[line], SUB_BUFSIZE-len-1); - } - - char *stream = buf; - this->lines = 0; - - char *current_cut, *best_cut; - do { - - if (this->lines + 1 < SUB_MAX_TEXT) { - - /* find the longest sequence witch fit */ - int line_width = 0; - current_cut = stream; - best_cut = NULL; - while (line_width < max_width) { - while (*current_cut && *current_cut != ' ') current_cut++; - if (*current_cut == ' ') { - *current_cut = 0; - line_width = ogm_get_width(this, stream); - *current_cut = ' '; - if (line_width < max_width) best_cut = current_cut; - current_cut++; - } else { - line_width = ogm_get_width(this, stream); - if (line_width < max_width) best_cut = current_cut; - break; /* end of line */ - } - } - } - - /* line maybe too long, but we have reached last subtitle line */ - else { - best_cut = current_cut = stream + strlen(stream); - } - - /* copy current line */ - if (best_cut != NULL) *best_cut = 0; - strncpy(this->text[this->lines], stream, SUB_BUFSIZE); - this->lines = this->lines + 1; - - stream = best_cut + 1; - - } while (best_cut != current_cut); - - } - - - /* Erase subtitle : use last_y and last_lines saved last turn. */ - if (this->last_lines) { - this->renderer->filled_rect (this->osd, 0, this->last_y, - this->width - 1, this->last_y + this->last_lines * this->line_height, - 0); - } - - switch (GET_Y_ALIGNMENT(alignment)) { - case ALIGN_TOP: - if (sub_y >= 0) y = sub_y; - else y = 5; - break; - - case ALIGN_MIDDLE: - if (sub_y >= 0) y = sub_y - (this->lines * this->line_height) / 2; - else y = (this->height - this->lines * this->line_height) / 2; - break; - - case ALIGN_BOTTOM: - default: - if (sub_y >= 0) y = sub_y - this->lines * this->line_height; - else y = this->height - this->lines * this->line_height - this->class->vertical_offset; - break; - } - if (y < 0 || y >= this->height) - y = this->height - this->line_height * this->lines; - - this->last_lines = this->lines; - this->last_y = y; - - - for (line = 0; line < this->lines; line++) { - int w, x; - - while(1) { - w = ogm_get_width( this, this->text[line]); - - switch (GET_X_ALIGNMENT(alignment)) { - case ALIGN_LEFT: - if (sub_x >= 0) x = sub_x; - else x = 5; - break; - - case ALIGN_RIGHT: - if (sub_x >= 0) x = sub_x - w; - else x = max_width - w - 5; - break; - - case ALIGN_CENTER: - default: - if (sub_x >= 0) x = sub_x - w / 2; - else x = (max_width - w) / 2; - break; - } - - - if( w > max_width && font_size > 16 ) { - font_size -= 4; - this->renderer->set_font (this->osd, get_font (this->class), font_size); - } else { - break; - } - } - - if( is_cjk_encoding(encoding) ) { - this->renderer->render_text (this->osd, x, y + line * this->line_height, - this->text[line], OSD_TEXT1); - } else { - 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 *) calloc(1, 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 char *sputext_class_get_identifier (spu_decoder_class_t *this) { - return "sputext"; -} - -static char *sputext_class_get_description (spu_decoder_class_t *this) { - return "external subtitle decoder plugin"; -} - -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 *subtitle_size_strings[] = { - "tiny", "small", "normal", "large", "very large", "huge", NULL - }; - sputext_class_t *this ; - - lprintf("init class\n"); - - this = (sputext_class_t *) calloc(1, sizeof(sputext_class_t)); - - this->class.open_plugin = sputext_class_open_plugin; - this->class.get_identifier = sputext_class_get_identifier; - this->class.get_description = sputext_class_get_description; - 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, 16, "sputext", XINE_VERSION_CODE, &spudec_info, &init_spu_decoder_plugin }, - { PLUGIN_NONE, 0, "", 0, NULL, NULL } -}; |