diff options
Diffstat (limited to 'libmpcodecs/dec_teletext.h')
| -rw-r--r-- | libmpcodecs/dec_teletext.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/libmpcodecs/dec_teletext.h b/libmpcodecs/dec_teletext.h new file mode 100644 index 0000000000..5b4ad6bb8d --- /dev/null +++ b/libmpcodecs/dec_teletext.h @@ -0,0 +1,136 @@ +/* + * Teletext support + * + * Copyright (C) 2007 Vladimir Voroshilov <voroshil@gmail.com> + * + * This file is part of MPlayer. + * + * MPlayer 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. + * + * MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef MPLAYER_DEC_TELETEXT_H +#define MPLAYER_DEC_TELETEXT_H + +int teletext_control(void* p, int cmd, void *arg); + +/* + TELETEXT controls (through teletext_control() ) + NOTE: + _SET_ should be _GET_ +1 + _STEP_ should be _GET_ +2 +*/ +#define TV_VBI_CONTROL_GET_MODE 0x510 ///< get current mode teletext +#define TV_VBI_CONTROL_SET_MODE 0x511 ///< on/off grab teletext + +#define TV_VBI_CONTROL_GET_PAGE 0x513 ///< get grabbed teletext page +#define TV_VBI_CONTROL_SET_PAGE 0x514 ///< set grab teletext page number +#define TV_VBI_CONTROL_STEP_PAGE 0x515 ///< step grab teletext page number + +#define TV_VBI_CONTROL_GET_SUBPAGE 0x516 ///< get grabbed teletext page +#define TV_VBI_CONTROL_SET_SUBPAGE 0x517 ///< set grab teletext page number + +#define TV_VBI_CONTROL_GET_FORMAT 0x519 ///< get teletext format +#define TV_VBI_CONTROL_SET_FORMAT 0x51a ///< set teletext format + +#define TV_VBI_CONTROL_GET_HALF_PAGE 0x51c ///< get current half page +#define TV_VBI_CONTROL_SET_HALF_PAGE 0x51d ///< switch half page + +#define TV_VBI_CONTROL_IS_CHANGED 0x540 ///< teletext page is changed +#define TV_VBI_CONTROL_MARK_UNCHANGED 0x541 ///< teletext page is changed + +#define TV_VBI_CONTROL_ADD_DEC 0x550 ///< add page number with dec +#define TV_VBI_CONTROL_GO_LINK 0x551 ///< go link (1..6) NYI +#define TV_VBI_CONTROL_GET_VBIPAGE 0x552 ///< get vbi_image for grabbed teletext page +#define TV_VBI_CONTROL_RESET 0x553 ///< vbi reset +#define TV_VBI_CONTROL_START 0x554 ///< vbi start +#define TV_VBI_CONTROL_STOP 0x555 ///< vbi stop +#define TV_VBI_CONTROL_DECODE_PAGE 0x556 ///< decode vbi page +#define TV_VBI_CONTROL_GET_NETWORKNAME 0x557 ///< get current network name + +#define VBI_TFORMAT_TEXT 0 ///< text mode +#define VBI_TFORMAT_BW 1 ///< black&white mode +#define VBI_TFORMAT_GRAY 2 ///< grayscale mode +#define VBI_TFORMAT_COLOR 3 ///< color mode (require color_spu patch!) + +#define VBI_MAX_PAGES 0x800 ///< max sub pages number +#define VBI_MAX_SUBPAGES 64 ///< max sub pages number + +#define VBI_ROWS 25 ///< teletext page height in rows +#define VBI_COLUMNS 40 ///< teletext page width in chars +#define VBI_TIME_LINEPOS 26 ///< time line pos in page header + +typedef +enum{ + TT_FORMAT_OPAQUE=0, ///< opaque + TT_FORMAT_TRANSPARENT, ///< transparent + TT_FORMAT_OPAQUE_INV, ///< opaque with inverted colors + TT_FORMAT_TRANSPARENT_INV ///< transparent with inverted colors +} teletext_format; + +typedef +enum{ + TT_ZOOM_NORMAL=0, + TT_ZOOM_TOP_HALF, + TT_ZOOM_BOTTOM_HALF +} teletext_zoom; + +typedef struct tt_char_s{ + unsigned int unicode; ///< unicode (utf8) character + unsigned char fg; ///< foreground color + unsigned char bg; ///< background color + unsigned char gfx; ///< 0-no gfx, 1-solid gfx, 2-separated gfx + unsigned char flh; ///< 0-no flash, 1-flash + unsigned char hidden; ///< char is hidden (for subtitle pages) + unsigned char ctl; ///< control character + unsigned char lng; ///< lang: 0-secondary language,1-primary language + unsigned char raw; ///< raw character (as received from device) +} tt_char; + +typedef struct tt_link_s{ + int pagenum; ///< page number + int subpagenum; ///< subpage number +} tt_link_t; + +typedef struct tt_page_s{ + int pagenum; ///< page number + int subpagenum; ///< subpage number + unsigned char primary_lang; ///< primary language code + unsigned char secondary_lang; ///< secondary language code + unsigned char active; ///< page is complete and ready for rendering + unsigned char flags; ///< page flags + unsigned char raw[VBI_ROWS*VBI_COLUMNS]; ///< page data + struct tt_page_s* next_subpage; + struct tt_link_s links[6]; +} tt_page; + +#define TT_PGFL_SUPPRESS_HEADER 0x01 +#define TT_PGFL_UPDATE_INDICATOR 0x02 +#define TT_PGFL_INTERRUPTED_SEQ 0x04 +#define TT_PGFL_INHIBIT_DISPLAY 0x08 +#define TT_PGFL_NEWFLASH 0x10 +#define TT_PGFL_SUBTITLE 0x20 +#define TT_PGFL_ERASE_PAGE 0x40 +#define TT_PGFL_MAGAZINE_SERIAL 0x80 + +typedef struct tt_stream_props_s{ + int sampling_rate; + int samples_per_line; + int offset; + int count[2]; ///< number of lines in first and second fields + int interlaced; ///< vbi data are interlaced + int bufsize; ///< required buffer size +} tt_stream_props; + +#endif /* MPLAYER_DEC_TELETEXT_H */ |