diff options
Diffstat (limited to 'sub')
| -rw-r--r-- | sub/dec_sub.c | 2 | ||||
| -rw-r--r-- | sub/sd_srt.c | 477 |
2 files changed, 0 insertions, 479 deletions
diff --git a/sub/dec_sub.c b/sub/dec_sub.c index 59e994d4f4..615e95e730 100644 --- a/sub/dec_sub.c +++ b/sub/dec_sub.c @@ -34,7 +34,6 @@ extern const struct sd_functions sd_ass; extern const struct sd_functions sd_lavc; -extern const struct sd_functions sd_srt; extern const struct sd_functions sd_lavc_conv; static const struct sd_functions *const sd_list[] = { @@ -42,7 +41,6 @@ static const struct sd_functions *const sd_list[] = { &sd_ass, #endif &sd_lavc, - &sd_srt, &sd_lavc_conv, NULL }; diff --git a/sub/sd_srt.c b/sub/sd_srt.c deleted file mode 100644 index 5c5cff52c4..0000000000 --- a/sub/sd_srt.c +++ /dev/null @@ -1,477 +0,0 @@ -/* - * Subtitles converter to SSA/ASS in order to allow special formatting - * - * This file is part of mpv. - * - * mpv 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. - * - * mpv 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 mpv. If not, see <http://www.gnu.org/licenses/>. - */ - -#include <string.h> -#include <strings.h> -#include <stdint.h> -#include <stdlib.h> -#include <stdio.h> -#include <stdarg.h> -#include <stdbool.h> - -#include "common/common.h" -#include "common/msg.h" -#include "misc/bstr.h" -#include "misc/ctype.h" -#include "sd.h" - -struct line { - char *buf; - int bufsize; - int len; -}; - -#ifdef __GNUC__ -static void append_text(struct line *dst, char *fmt, ...) __attribute__ ((format(printf, 2, 3))); -#endif - -static void append_text(struct line *dst, char *fmt, ...) -{ - va_list va; - va_start(va, fmt); - int ret = vsnprintf(dst->buf + dst->len, dst->bufsize - dst->len, fmt, va); - if (ret < 0) - goto out; - dst->len += ret; - if (dst->len > dst->bufsize) - dst->len = dst->bufsize; - out: - va_end(va); -} - -static void append_text_n(struct line *dst, char *start, size_t length) -{ - append_text(dst, "%.*s", (int)length, start); -} - - -/* - * SubRip - * - * Support basic tags (italic, bold, underline, strike-through) - * and font tag with size, color and face attributes. - * - */ - -struct font_tag { - int size; - uint32_t color; - struct bstr face; - bool has_size : 1; - bool has_color : 1; - bool has_face : 1; -}; - -static const struct tag_conv { - char *from; - char *to; -} subrip_basic_tags[] = { - {"<i>", "{\\i1}"}, {"</i>", "{\\i0}"}, - {"<b>", "{\\b1}"}, {"</b>", "{\\b0}"}, - {"<u>", "{\\u1}"}, {"</u>", "{\\u0}"}, - {"<s>", "{\\s1}"}, {"</s>", "{\\s0}"}, - {"}", "\\}"}, - {"\r\n", "\\N"}, {"\n", "\\N"}, {"\r", "\\N"}, -}; - -static const struct { - char *s; - uint32_t v; -} subrip_web_colors[] = { - /* Named CSS3 colors in RGB format; a subset of those - at http://www.w3.org/TR/css3-color/#svg-color */ - {"aliceblue", 0xF0F8FF}, - {"antiquewhite", 0xFAEBD7}, - {"aqua", 0x00FFFF}, - {"aquamarine", 0x7FFFD4}, - {"azure", 0xF0FFFF}, - {"beige", 0xF5F5DC}, - {"bisque", 0xFFE4C4}, - {"black", 0x000000}, - {"blanchedalmond", 0xFFEBCD}, - {"blue", 0x0000FF}, - {"blueviolet", 0x8A2BE2}, - {"brown", 0xA52A2A}, - {"burlywood", 0xDEB887}, - {"cadetblue", 0x5F9EA0}, - {"chartreuse", 0x7FFF00}, - {"chocolate", 0xD2691E}, - {"coral", 0xFF7F50}, - {"cornflowerblue", 0x6495ED}, - {"cornsilk", 0xFFF8DC}, - {"crimson", 0xDC143C}, - {"cyan", 0x00FFFF}, - {"darkblue", 0x00008B}, - {"darkcyan", 0x008B8B}, - {"darkgoldenrod", 0xB8860B}, - {"darkgray", 0xA9A9A9}, - {"darkgreen", 0x006400}, - {"darkgrey", 0xA9A9A9}, - {"darkkhaki", 0xBDB76B}, - {"darkmagenta", 0x8B008B}, - {"darkolivegreen", 0x556B2F}, - {"darkorange", 0xFF8C00}, - {"darkorchid", 0x9932CC}, - {"darkred", 0x8B0000}, - {"darksalmon", 0xE9967A}, - {"darkseagreen", 0x8FBC8F}, - {"darkslateblue", 0x483D8B}, - {"darkslategray", 0x2F4F4F}, - {"darkslategrey", 0x2F4F4F}, - {"darkturquoise", 0x00CED1}, - {"darkviolet", 0x9400D3}, - {"deeppink", 0xFF1493}, - {"deepskyblue", 0x00BFFF}, - {"dimgray", 0x696969}, - {"dimgrey", 0x696969}, - {"dodgerblue", 0x1E90FF}, - {"firebrick", 0xB22222}, - {"floralwhite", 0xFFFAF0}, - {"forestgreen", 0x228B22}, - {"fuchsia", 0xFF00FF}, - {"gainsboro", 0xDCDCDC}, - {"ghostwhite", 0xF8F8FF}, - {"gold", 0xFFD700}, - {"goldenrod", 0xDAA520}, - {"gray", 0x808080}, - {"green", 0x008000}, - {"greenyellow", 0xADFF2F}, - {"grey", 0x808080}, - {"honeydew", 0xF0FFF0}, - {"hotpink", 0xFF69B4}, - {"indianred", 0xCD5C5C}, - {"indigo", 0x4B0082}, - {"ivory", 0xFFFFF0}, - {"khaki", 0xF0E68C}, - {"lavender", 0xE6E6FA}, - {"lavenderblush", 0xFFF0F5}, - {"lawngreen", 0x7CFC00}, - {"lemonchiffon", 0xFFFACD}, - {"lightblue", 0xADD8E6}, - {"lightcoral", 0xF08080}, - {"lightcyan", 0xE0FFFF}, - {"lightgoldenrodyellow", 0xFAFAD2}, - {"lightgray", 0xD3D3D3}, - {"lightgreen", 0x90EE90}, - {"lightgrey", 0xD3D3D3}, - {"lightpink", 0xFFB6C1}, - {"lightsalmon", 0xFFA07A}, - {"lightseagreen", 0x20B2AA}, - {"lightskyblue", 0x87CEFA}, - {"lightslategray", 0x778899}, - {"lightslategrey", 0x778899}, - {"lightsteelblue", 0xB0C4DE}, - {"lightyellow", 0xFFFFE0}, - {"lime", 0x00FF00}, - {"limegreen", 0x32CD32}, - {"linen", 0xFAF0E6}, - {"magenta", 0xFF00FF}, - {"maroon", 0x800000}, - {"mediumaquamarine", 0x66CDAA}, - {"mediumblue", 0x0000CD}, - {"mediumorchid", 0xBA55D3}, - {"mediumpurple", 0x9370DB}, - {"mediumseagreen", 0x3CB371}, - {"mediumslateblue", 0x7B68EE}, - {"mediumspringgreen", 0x00FA9A}, - {"mediumturquoise", 0x48D1CC}, - {"mediumvioletred", 0xC71585}, - {"midnightblue", 0x191970}, - {"mintcream", 0xF5FFFA}, - {"mistyrose", 0xFFE4E1}, - {"moccasin", 0xFFE4B5}, - {"navajowhite", 0xFFDEAD}, - {"navy", 0x000080}, - {"oldlace", 0xFDF5E6}, - {"olive", 0x808000}, - {"olivedrab", 0x6B8E23}, - {"orange", 0xFFA500}, - {"orangered", 0xFF4500}, - {"orchid", 0xDA70D6}, - {"palegoldenrod", 0xEEE8AA}, - {"palegreen", 0x98FB98}, - {"paleturquoise", 0xAFEEEE}, - {"palevioletred", 0xDB7093}, - {"papayawhip", 0xFFEFD5}, - {"peachpuff", 0xFFDAB9}, - {"peru", 0xCD853F}, - {"pink", 0xFFC0CB}, - {"plum", 0xDDA0DD}, - {"powderblue", 0xB0E0E6}, - {"purple", 0x800080}, - {"red", 0xFF0000}, - {"rosybrown", 0xBC8F8F}, - {"royalblue", 0x4169E1}, - {"saddlebrown", 0x8B4513}, - {"salmon", 0xFA8072}, - {"sandybrown", 0xF4A460}, - {"seagreen", 0x2E8B57}, - {"seashell", 0xFFF5EE}, - {"sienna", 0xA0522D}, - {"silver", 0xC0C0C0}, - {"skyblue", 0x87CEEB}, - {"slateblue", 0x6A5ACD}, - {"slategray", 0x708090}, - {"slategrey", 0x708090}, - {"snow", 0xFFFAFA}, - {"springgreen", 0x00FF7F}, - {"steelblue", 0x4682B4}, - {"tan", 0xD2B48C}, - {"teal", 0x008080}, - {"thistle", 0xD8BFD8}, - {"tomato", 0xFF6347}, - {"turquoise", 0x40E0D0}, - {"violet", 0xEE82EE}, - {"wheat", 0xF5DEB3}, - {"white", 0xFFFFFF}, - {"whitesmoke", 0xF5F5F5}, - {"yellow", 0xFFFF00}, - {"yellowgreen", 0x9ACD32}, -}; - -#define SUBRIP_MAX_STACKED_FONT_TAGS 16 - -/* Read the HTML-style attribute starting at *s, and skip *s past the value. - * Set attr and val to the parsed attribute name and value. - * Return 0 on success, or -1 if no valid attribute was found. - */ -static int read_attr(char **s, struct bstr *attr, struct bstr *val) -{ - char *eq = strchr(*s, '='); - if (!eq) - return -1; - attr->start = *s; - attr->len = eq - *s; - for (int i = 0; i < attr->len; i++) - if (!mp_isalnum(attr->start[i])) - return -1; - val->start = eq + 1; - bool quoted = val->start[0] == '"'; - if (quoted) - val->start++; - unsigned char *end = strpbrk(val->start, quoted ? "\"" : " >"); - if (!end) - return -1; - val->len = end - val->start; - *s = end + quoted; - return 0; -} - -static void convert_subrip(struct sd *sd, const char *orig, - char *dest, int dest_buffer_size) -{ - /* line is not const to avoid warnings with strtol, etc. - * orig content won't be changed */ - char *line = (char *)orig; - struct line new_line = { - .buf = dest, - .bufsize = dest_buffer_size, - }; - struct font_tag font_stack[SUBRIP_MAX_STACKED_FONT_TAGS + 1]; - font_stack[0] = (struct font_tag){0}; // type with all defaults - int sp = 0; - - while (*line && new_line.len < new_line.bufsize - 1) { - char *orig_line = line; - - for (int i = 0; i < MP_ARRAY_SIZE(subrip_basic_tags); i++) { - const struct tag_conv *tag = &subrip_basic_tags[i]; - int from_len = strlen(tag->from); - if (strncmp(line, tag->from, from_len) == 0) { - append_text(&new_line, "%s", tag->to); - line += from_len; - } - } - - if (strncmp(line, "</font>", 7) == 0) { - /* Closing font tag */ - line += 7; - - if (sp > 0) { - struct font_tag *tag = &font_stack[sp]; - struct font_tag *last_tag = &tag[-1]; - sp--; - - if (tag->has_size) { - if (!last_tag->has_size) - append_text(&new_line, "{\\fs}"); - else if (last_tag->size != tag->size) - append_text(&new_line, "{\\fs%d}", last_tag->size); - } - - if (tag->has_color) { - if (!last_tag->has_color) - append_text(&new_line, "{\\c}"); - else if (last_tag->color != tag->color) - append_text(&new_line, "{\\c&H%06X&}", last_tag->color); - } - - if (tag->has_face) { - if (!last_tag->has_face) - append_text(&new_line, "{\\fn}"); - else if (bstrcmp(last_tag->face, tag->face) != 0) - append_text(&new_line, "{\\fn%.*s}", - BSTR_P(last_tag->face)); - } - } - } else if (strncmp(line, "<font ", 6) == 0 - && sp + 1 < MP_ARRAY_SIZE(font_stack)) { - /* Opening font tag */ - char *potential_font_tag_start = line; - int len_backup = new_line.len; - struct font_tag *tag = &font_stack[sp + 1]; - bool has_valid_attr = false; - - *tag = tag[-1]; // keep values from previous tag - line += 6; - - while (*line && *line != '>') { - if (*line == ' ') { - line++; - continue; - } - struct bstr attr, val; - if (read_attr(&line, &attr, &val) < 0) - break; - if (!bstrcmp0(attr, "size")) { - tag->size = bstrtoll(val, &val, 10); - if (val.len) - break; - append_text(&new_line, "{\\fs%d}", tag->size); - tag->has_size = true; - has_valid_attr = true; - } else if (!bstrcmp0(attr, "color")) { - int found = 0; - - // Try to lookup the string in standard web colors - for (int i = 0; i < MP_ARRAY_SIZE(subrip_web_colors); i++) { - char *color = subrip_web_colors[i].s; - if (bstrcasecmp(val, bstr0(color)) == 0) { - uint32_t xcolor = subrip_web_colors[i].v; - tag->color = ((xcolor & 0xff) << 16) - | (xcolor & 0xff00) - | ((xcolor & 0xff0000) >> 16); - found = 1; - } - } - - // If it's not a web color it must be a HEX RGB value - if (!found) { - // Remove the leading '#' - bstr_eatstart(&val, bstr0("#")); - // Sometimes there are two '#' - bstr_eatstart(&val, bstr0("#")); - - // Parse RRGGBB format - tag->color = bstrtoll(val, &val, 16) & 0x00ffffff; - if (!val.len) { - tag->color = ((tag->color & 0xff) << 16) - | (tag->color & 0xff00) - | ((tag->color & 0xff0000) >> 16); - found = 1; - } - } - - if (found) { - append_text(&new_line, "{\\c&H%06X&}", tag->color); - tag->has_color = true; - } else { - // We didn't find any matching color - MP_WARN(sd, "unknown font color in subtitle: >%s<\n", - orig); - append_text(&new_line, "{\\c}"); - } - - has_valid_attr = true; - } else if (!bstrcmp0(attr, "face")) { - /* Font face attribute */ - tag->face = val; - append_text(&new_line, "{\\fn%.*s}", BSTR_P(tag->face)); - tag->has_face = true; - has_valid_attr = true; - } else - MP_WARN(sd, "unrecognized attribute \"%.*s\" in font tag\n", - BSTR_P(attr)); - } - - if (!has_valid_attr || *line != '>') { /* Not valid font tag */ - line = potential_font_tag_start; - new_line.len = len_backup; - } else { - sp++; - line++; - } - } else if (*line == '{') { - char *end = strchr(line, '}'); - if (line[1] == '\\' && end) { - // Likely ASS tag, pass them through - // Note that ASS tags like {something\an8} are legal too (i.e. - // the first character after '{' doesn't have to be '\'), but - // consider these fringe cases not worth supporting. - append_text_n(&new_line, line, end - line + 1); - line = end + 1; - } else { - append_text(&new_line, "\\{"); - line++; - } - } - - /* Tag conversion code didn't match */ - if (line == orig_line) - new_line.buf[new_line.len++] = *line++; - } - new_line.buf[new_line.len] = 0; -} - -static const char *const srt_ass_extradata = - "[Script Info]\n" - "ScriptType: v4.00+\n" - "PlayResX: 384\n" - "PlayResY: 288\n"; - -static bool supports_format(const char *format) -{ - return format && (strcmp(format, "subrip") == 0 || - strcmp(format, "text") == 0); -} - -static int init(struct sd *sd) -{ - sd->output_codec = "ass-text"; - sd->output_extradata = (char *)srt_ass_extradata; - sd->output_extradata_len = strlen(sd->output_extradata); - return 0; -} - -static void decode(struct sd *sd, struct demux_packet *packet) -{ - char dest[SD_MAX_LINE_LEN]; - // Assume input buffer is padded with 0 - convert_subrip(sd, packet->buffer, dest, sizeof(dest)); - sd_conv_add_packet(sd, dest, strlen(dest), packet->pts, packet->duration); -} - -const struct sd_functions sd_srt = { - .name = "srt", - .supports_format = supports_format, - .init = init, - .decode = decode, - .get_converted = sd_conv_def_get_converted, - .reset = sd_conv_def_reset, -}; 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