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Diffstat (limited to 'libass/ass.h')
| -rw-r--r-- | libass/ass.h | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/libass/ass.h b/libass/ass.h deleted file mode 100644 index e98b4264b7..0000000000 --- a/libass/ass.h +++ /dev/null @@ -1,229 +0,0 @@ -// -*- c-basic-offset: 8; indent-tabs-mode: t -*- -// vim:ts=8:sw=8:noet:ai: -/* - * Copyright (C) 2006 Evgeniy Stepanov <eugeni.stepanov@gmail.com> - * - * This file is part of libass. - * - * libass 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. - * - * libass 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 libass; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#ifndef LIBASS_ASS_H -#define LIBASS_ASS_H - -#include <stdio.h> -#include "ass_types.h" - -/// Libass renderer object. Contents are private. -typedef struct ass_renderer_s ass_renderer_t; - -/// a linked list of images produced by ass renderer -typedef struct ass_image_s { - int w, h; // bitmap width/height - int stride; // bitmap stride - unsigned char* bitmap; // 1bpp stride*h alpha buffer - uint32_t color; // RGBA - int dst_x, dst_y; // bitmap placement inside the video frame - - struct ass_image_s* next; // linked list -} ass_image_t; - -/// Hinting type -typedef enum {ASS_HINTING_NONE = 0, - ASS_HINTING_LIGHT, - ASS_HINTING_NORMAL, - ASS_HINTING_NATIVE -} ass_hinting_t; - -/** - * \brief initialize the library - * \return library handle or NULL if failed - */ -ass_library_t* ass_library_init(void); - -/** - * \brief finalize the library - * \param priv library handle - */ -void ass_library_done(ass_library_t*); - -/** - * \brief set private font directory - * It is used for saving embedded fonts and also in font lookup. - */ -void ass_set_fonts_dir(ass_library_t* priv, const char* fonts_dir); - -void ass_set_extract_fonts(ass_library_t* priv, int extract); - -void ass_set_style_overrides(ass_library_t* priv, char** list); - -/** - * \brief initialize the renderer - * \param priv library handle - * \return renderer handle or NULL if failed - */ -ass_renderer_t* ass_renderer_init(ass_library_t*); - -/** - * \brief finalize the renderer - * \param priv renderer handle - */ -void ass_renderer_done(ass_renderer_t* priv); - -void ass_set_frame_size(ass_renderer_t* priv, int w, int h); -void ass_set_margins(ass_renderer_t* priv, int t, int b, int l, int r); -void ass_set_use_margins(ass_renderer_t* priv, int use); -void ass_set_aspect_ratio(ass_renderer_t* priv, double ar); -void ass_set_font_scale(ass_renderer_t* priv, double font_scale); -void ass_set_hinting(ass_renderer_t* priv, ass_hinting_t ht); -void ass_set_line_spacing(ass_renderer_t* priv, double line_spacing); - -/** - * \brief set font lookup defaults - */ -int ass_set_fonts(ass_renderer_t* priv, const char* default_font, const char* default_family); - -/** - * \brief set font lookup defaults, don't use fontconfig even if it is available - */ -int ass_set_fonts_nofc(ass_renderer_t* priv, const char* default_font, const char* default_family); - -/** - * \brief render a frame, producing a list of ass_image_t - * \param priv library - * \param track subtitle track - * \param now video timestamp in milliseconds - */ -ass_image_t* ass_render_frame(ass_renderer_t *priv, ass_track_t* track, long long now, int* detect_change); - - -// The following functions operate on track objects and do not need an ass_renderer // - -/** - * \brief allocate a new empty track object - * \return pointer to empty track - */ -ass_track_t* ass_new_track(ass_library_t*); - -/** - * \brief deallocate track and all its child objects (styles and events) - * \param track track to deallocate - */ -void ass_free_track(ass_track_t* track); - -/** - * \brief allocate new style - * \param track track - * \return newly allocated style id - */ -int ass_alloc_style(ass_track_t* track); - -/** - * \brief allocate new event - * \param track track - * \return newly allocated event id - */ -int ass_alloc_event(ass_track_t* track); - -/** - * \brief delete a style - * \param track track - * \param sid style id - * Deallocates style data. Does not modify track->n_styles. - */ -void ass_free_style(ass_track_t* track, int sid); - -/** - * \brief delete an event - * \param track track - * \param eid event id - * Deallocates event data. Does not modify track->n_events. - */ -void ass_free_event(ass_track_t* track, int eid); - -/** - * \brief Parse a chunk of subtitle stream data. - * \param track track - * \param data string to parse - * \param size length of data - */ -void ass_process_data(ass_track_t* track, char* data, int size); - -/** - * \brief Parse Codec Private section of subtitle stream - * \param track target track - * \param data string to parse - * \param size length of data - */ -void ass_process_codec_private(ass_track_t* track, char *data, int size); - -/** - * \brief Parse a chunk of subtitle stream data. In Matroska, this contains exactly 1 event (or a commentary). - * \param track track - * \param data string to parse - * \param size length of data - * \param timecode starting time of the event (milliseconds) - * \param duration duration of the event (milliseconds) -*/ -void ass_process_chunk(ass_track_t* track, char *data, int size, long long timecode, long long duration); - -char* read_file_recode(char* fname, char* codepage, size_t* size); - -/** - * \brief Read subtitles from file. - * \param fname file name - * \return newly allocated track -*/ -ass_track_t* ass_read_file(ass_library_t* library, char* fname, char* codepage); - -/** - * \brief Read subtitles from memory. - * \param library libass library object - * \param buf pointer to subtitles text - * \param bufsize size of buffer - * \param codepage recode buffer contents from given codepage - * \return newly allocated track -*/ -ass_track_t* ass_read_memory(ass_library_t* library, char* buf, size_t bufsize, char* codepage); -/** - * \brief read styles from file into already initialized track - * \return 0 on success - */ -int ass_read_styles(ass_track_t* track, char* fname, char* codepage); - -/** - * \brief Add a memory font. - * \param name attachment name - * \param data binary font data - * \param data_size data size -*/ -void ass_add_font(ass_library_t* library, char* name, char* data, int data_size); - -/** - * \brief Remove all fonts stored in ass_library object - */ -void ass_clear_fonts(ass_library_t* library); - -/** - * \brief Calculates timeshift from now to the start of some other subtitle event, depending on movement parameter - * \param track subtitle track - * \param now current time, ms - * \param movement how many events to skip from the one currently displayed - * +2 means "the one after the next", -1 means "previous" - * \return timeshift, ms - */ -long long ass_step_sub(ass_track_t* track, long long now, int movement); - -#endif /* LIBASS_ASS_H */ |