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dwrite: Import libcaption source code

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Import the code from gst-plugins-rs
(origin is https://github.com/szatmary/libcaption)

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4929>
This commit is contained in:
Seungha Yang 2023-06-23 23:44:19 +09:00 committed by GStreamer Marge Bot
parent 37c7c92c03
commit 713f74f4f9
14 changed files with 3028 additions and 0 deletions
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.indentignore
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subprojects/gst-plugins-bad/ext/sctp/usrsctp/usrsctplib/ subprojects/gst-plugins-bad/ext/sctp/usrsctp/usrsctplib/
subprojects/gst-plugins-bad/sys/dwrite/libcaption/
subprojects/gstreamer-rs/ subprojects/gstreamer-rs/
subprojects/gstreamer-rs-sys/ subprojects/gstreamer-rs-sys/
subprojects/gst-plugins-rs/ subprojects/gst-plugins-rs/

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subprojects/gst-plugins-bad/sys/dwrite/libcaption/LICENSE.txt Normal file
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The MIT License
Copyright 2016-2017 Twitch Interactive, Inc. or its affiliates. All Rights Reserved.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

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subprojects/gst-plugins-bad/sys/dwrite/libcaption/caption.c Normal file
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/**********************************************************************************************/
/* The MIT License */
/* */
/* Copyright 2016-2017 Twitch Interactive, Inc. or its affiliates. All Rights Reserved. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining a copy */
/* of this software and associated documentation files (the "Software"), to deal */
/* in the Software without restriction, including without limitation the rights */
/* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell */
/* copies of the Software, and to permit persons to whom the Software is */
/* furnished to do so, subject to the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be included in */
/* all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR */
/* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, */
/* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE */
/* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER */
/* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, */
/* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN */
/* THE SOFTWARE. */
/**********************************************************************************************/
#include "caption.h"
#include "eia608.h"
#include "utf8.h"
#include "xds.h"
#include <stdio.h>
#include <string.h>
////////////////////////////////////////////////////////////////////////////////
void
caption_frame_buffer_clear (caption_frame_buffer_t * buff)
{
memset (buff, 0, sizeof (caption_frame_buffer_t));
}
void
caption_frame_state_clear (caption_frame_t * frame)
{
frame->write = 0;
frame->timestamp = -1;
frame->state = (caption_frame_state_t) {
0, 0, 0, SCREEN_ROWS - 1, 0, 0}; // clear global state
}
void
caption_frame_init (caption_frame_t * frame)
{
xds_init (&frame->xds);
caption_frame_state_clear (frame);
caption_frame_buffer_clear (&frame->back);
caption_frame_buffer_clear (&frame->front);
}
////////////////////////////////////////////////////////////////////////////////
// Helpers
static caption_frame_cell_t *
frame_buffer_cell (caption_frame_buffer_t * buff, int row, int col)
{
if (!buff || 0 > row || SCREEN_ROWS <= row || 0 > col || SCREEN_COLS <= col) {
return 0;
}
return &buff->cell[row][col];
}
int caption_frame_clear_char (caption_frame_t * frame, int row, int col)
{
if (!frame->write) {
return 0;
}
caption_frame_cell_t *cell = frame_buffer_cell (frame->write, row, col);
if (cell) {
memset (cell, 0, sizeof (caption_frame_cell_t));
return 1;
}
return 0;
}
uint16_t _eia608_from_utf8 (const char *s); // function is in eia608.c.re2c
int
caption_frame_write_char (caption_frame_t * frame, int row, int col,
eia608_style_t style, int underline, const char *c)
{
if (!frame->write || !_eia608_from_utf8 (c)) {
return 0;
}
caption_frame_cell_t *cell = frame_buffer_cell (frame->write, row, col);
if (cell && utf8_char_copy (&cell->data[0], c)) {
cell->uln = underline;
cell->sty = style;
return 1;
}
return 0;
}
const utf8_char_t *
caption_frame_read_char (caption_frame_t * frame, int row, int col,
eia608_style_t * style, int *underline)
{
// always read from front
caption_frame_cell_t *cell = frame_buffer_cell (&frame->front, row, col);
if (!cell) {
if (style) {
(*style) = eia608_style_white;
}
if (underline) {
(*underline) = 0;
}
return EIA608_CHAR_NULL;
}
if (style) {
(*style) = cell->sty;
}
if (underline) {
(*underline) = cell->uln;
}
return &cell->data[0];
}
////////////////////////////////////////////////////////////////////////////////
// Parsing
libcaption_stauts_t
caption_frame_carriage_return (caption_frame_t * frame)
{
if (0 > frame->state.row || SCREEN_ROWS <= frame->state.row) {
return LIBCAPTION_ERROR;
}
int r = frame->state.row - (frame->state.rup - 1);
if (0 >= r || !caption_frame_rollup (frame)) {
return LIBCAPTION_OK;
}
for (; r < SCREEN_ROWS; ++r) {
uint8_t *dst = (uint8_t *) frame_buffer_cell (frame->write, r - 1, 0);
uint8_t *src = (uint8_t *) frame_buffer_cell (frame->write, r - 0, 0);
memcpy (dst, src, sizeof (caption_frame_cell_t) * SCREEN_COLS);
}
frame->state.col = 0;
caption_frame_cell_t *cell =
frame_buffer_cell (frame->write, SCREEN_ROWS - 1, 0);
memset (cell, 0, sizeof (caption_frame_cell_t) * SCREEN_COLS);
return LIBCAPTION_OK;
}
////////////////////////////////////////////////////////////////////////////////
libcaption_stauts_t
eia608_write_char (caption_frame_t * frame, char *c)
{
if (0 == c || 0 == c[0] || SCREEN_ROWS <= frame->state.row
|| 0 > frame->state.row || SCREEN_COLS <= frame->state.col
|| 0 > frame->state.col) {
// NO-OP
} else if (caption_frame_write_char (frame, frame->state.row,
frame->state.col, frame->state.sty, frame->state.uln, c)) {
frame->state.col += 1;
}
return LIBCAPTION_OK;
}
libcaption_stauts_t
caption_frame_end (caption_frame_t * frame)
{
memcpy (&frame->front, &frame->back, sizeof (caption_frame_buffer_t));
caption_frame_buffer_clear (&frame->back); // This is required
return LIBCAPTION_READY;
}
libcaption_stauts_t
caption_frame_decode_preamble (caption_frame_t * frame, uint16_t cc_data)
{
eia608_style_t sty;
int row, col, chn, uln;
if (eia608_parse_preamble (cc_data, &row, &col, &sty, &chn, &uln)) {
frame->state.row = row;
frame->state.col = col;
frame->state.sty = sty;
frame->state.uln = uln;
}
return LIBCAPTION_OK;
}
libcaption_stauts_t
caption_frame_decode_midrowchange (caption_frame_t * frame, uint16_t cc_data)
{
eia608_style_t sty;
int chn, unl;
if (eia608_parse_midrowchange (cc_data, &chn, &sty, &unl)) {
frame->state.sty = sty;
frame->state.uln = unl;
}
return LIBCAPTION_OK;
}
libcaption_stauts_t
caption_frame_backspace (caption_frame_t * frame)
{
// do not reverse wrap (tw 28:20)
frame->state.col = (0 < frame->state.col) ? (frame->state.col - 1) : 0;
caption_frame_clear_char (frame, frame->state.row, frame->state.col);
return LIBCAPTION_READY;
}
libcaption_stauts_t
caption_frame_delete_to_end_of_row (caption_frame_t * frame)
{
int c;
if (frame->write) {
for (c = frame->state.col; c < SCREEN_COLS; ++c) {
caption_frame_clear_char (frame, frame->state.row, c);
}
}
// TODO test this and replace loop
// uint8_t* dst = (uint8_t*)frame_buffer_cell(frame->write, frame->state.row, frame->state.col);
// memset(dst,0,sizeof(caption_frame_cell_t) * (SCREEN_COLS - frame->state.col - 1))
return LIBCAPTION_READY;
}
libcaption_stauts_t
caption_frame_decode_control (caption_frame_t * frame, uint16_t cc_data)
{
int cc;
eia608_control_t cmd = eia608_parse_control (cc_data, &cc);
switch (cmd) {
// PAINT ON
case eia608_control_resume_direct_captioning:
frame->state.rup = 0;
frame->write = &frame->front;
return LIBCAPTION_OK;
case eia608_control_erase_display_memory:
caption_frame_buffer_clear (&frame->front);
return LIBCAPTION_CLEAR;
// ROLL-UP
case eia608_control_roll_up_2:
frame->state.rup = 1;
frame->write = &frame->front;
return LIBCAPTION_OK;
case eia608_control_roll_up_3:
frame->state.rup = 2;
frame->write = &frame->front;
return LIBCAPTION_OK;
case eia608_control_roll_up_4:
frame->state.rup = 3;
frame->write = &frame->front;
return LIBCAPTION_OK;
case eia608_control_carriage_return:
return caption_frame_carriage_return (frame);
// Corrections (Is this only valid as part of paint on?)
case eia608_control_backspace:
return caption_frame_backspace (frame);
case eia608_control_delete_to_end_of_row:
return caption_frame_delete_to_end_of_row (frame);
// POP ON
case eia608_control_resume_caption_loading:
frame->state.rup = 0;
frame->write = &frame->back;
return LIBCAPTION_OK;
case eia608_control_erase_non_displayed_memory:
caption_frame_buffer_clear (&frame->back);
return LIBCAPTION_OK;
case eia608_control_end_of_caption:
return caption_frame_end (frame);
// cursor positioning
case eia608_tab_offset_0:
case eia608_tab_offset_1:
case eia608_tab_offset_2:
case eia608_tab_offset_3:
frame->state.col += (cmd - eia608_tab_offset_0);
return LIBCAPTION_OK;
// Unhandled
default:
case eia608_control_alarm_off:
case eia608_control_alarm_on:
case eia608_control_text_restart:
case eia608_control_text_resume_text_display:
return LIBCAPTION_OK;
}
}
libcaption_stauts_t
caption_frame_decode_text (caption_frame_t * frame, uint16_t cc_data)
{
int chan;
char char1[5], char2[5];
size_t chars = eia608_to_utf8 (cc_data, &chan, &char1[0], &char2[0]);
if (eia608_is_westeu (cc_data)) {
// Extended charcters replace the previous charcter for back compatibility
caption_frame_backspace (frame);
}
if (0 < chars) {
eia608_write_char (frame, char1);
}
if (1 < chars) {
eia608_write_char (frame, char2);
}
return LIBCAPTION_OK;
}
libcaption_stauts_t
caption_frame_decode (caption_frame_t * frame, uint16_t cc_data,
double timestamp)
{
if (!eia608_parity_varify (cc_data)) {
frame->status = LIBCAPTION_ERROR;
return frame->status;
}
if (eia608_is_padding (cc_data)) {
frame->status = LIBCAPTION_OK;
return frame->status;
}
// skip duplicate controll commands. We also skip duplicate specialna to match the behaviour of iOS/vlc
if ((eia608_is_specialna(cc_data) || eia608_is_control(cc_data)) && cc_data == frame->state.cc_data) {
if (timestamp < 0 && caption_frame_popon (frame))
frame->timestamp += (1 / 29.97);
return LIBCAPTION_OK;
}
if (timestamp >= 0) {
frame->timestamp = timestamp;
frame->status = LIBCAPTION_OK;
} else if (caption_frame_popon (frame)) {
frame->timestamp += (1 / 29.97);
}
frame->state.cc_data = cc_data;
if (frame->xds.state) {
frame->status = xds_decode (&frame->xds, cc_data);
} else if (eia608_is_xds (cc_data)) {
frame->status = xds_decode (&frame->xds, cc_data);
} else if (eia608_is_control (cc_data)) {
frame->status = caption_frame_decode_control (frame, cc_data);
} else if (eia608_is_basicna (cc_data) || eia608_is_specialna (cc_data)
|| eia608_is_westeu (cc_data)) {
// Don't decode text if we dont know what mode we are in.
if (!frame->write) {
frame->status = LIBCAPTION_OK;
return frame->status;
}
frame->status = caption_frame_decode_text (frame, cc_data);
// If we are in paint on mode, display immiditally
if (LIBCAPTION_OK == frame->status && caption_frame_painton (frame)) {
frame->status = LIBCAPTION_READY;
}
} else if (eia608_is_preamble (cc_data)) {
frame->status = caption_frame_decode_preamble (frame, cc_data);
} else if (eia608_is_midrowchange (cc_data)) {
frame->status = caption_frame_decode_midrowchange (frame, cc_data);
}
return frame->status;
}
////////////////////////////////////////////////////////////////////////////////
int
caption_frame_from_text (caption_frame_t * frame, const utf8_char_t * data)
{
ssize_t size = (ssize_t) strlen (data);
caption_frame_init (frame);
frame->write = &frame->back;
for (size_t r = 0; (*data) && size && r < SCREEN_ROWS;) {
// skip whitespace at start of line
while (size && utf8_char_whitespace (data)) {
size_t s = utf8_char_length (data);
data += s, size -= s;
}
// get charcter count for wrap (or orest of line)
utf8_size_t char_count = utf8_wrap_length (data, SCREEN_COLS);
// write to caption frame
for (size_t c = 0; c < char_count; ++c) {
size_t char_length = utf8_char_length (data);
caption_frame_write_char (frame, r, c, eia608_style_white, 0, data);
data += char_length, size -= char_length;
}
r += char_count ? 1 : 0; // Update row num only if not blank
}
caption_frame_end (frame);
return 0;
}
////////////////////////////////////////////////////////////////////////////////
size_t
caption_frame_to_text (caption_frame_t * frame, utf8_char_t * data, int full)
{
int r, c, uln, crlf = 0, count = 0;
size_t s, size = 0;
eia608_style_t sty;
(*data) = '\0';
for (r = 0; r < SCREEN_ROWS; ++r) {
crlf += count, count = 0;
for (c = 0; c < SCREEN_COLS; ++c) {
const utf8_char_t *chr =
caption_frame_read_char (frame, r, c, &sty, &uln);
// dont start a new line until we encounter at least one printable character
if (full ||
(0 < utf8_char_length (chr) && (0 < count
|| !utf8_char_whitespace (chr)))) {
if (0 < crlf) {
memcpy (data, "\r\n\0", 3);
data += 2, size += 2, crlf = 0;
}
s = utf8_char_copy (data, chr);
data += s, size += s, ++count;
}
}
}
return size;
}
////////////////////////////////////////////////////////////////////////////////
size_t
caption_frame_dump_buffer (caption_frame_t * frame, utf8_char_t * buf)
{
int r, c;
size_t bytes, total = 0;
bytes =
sprintf (buf,
" timestamp: %f\n row: %02d col: %02d roll-up: %d\n",
frame->timestamp, frame->state.row, frame->state.col,
caption_frame_rollup (frame));
total += bytes, buf += bytes;
bytes =
sprintf (buf,
" 00000000001111111111222222222233\t 00000000001111111111222222222233\n"
" 01234567890123456789012345678901\t 01234567890123456789012345678901\n"
" %s--------------------------------%s\t %s--------------------------------%s\n",
EIA608_CHAR_BOX_DRAWINGS_LIGHT_DOWN_AND_RIGHT,
EIA608_CHAR_BOX_DRAWINGS_LIGHT_DOWN_AND_LEFT,
EIA608_CHAR_BOX_DRAWINGS_LIGHT_DOWN_AND_RIGHT,
EIA608_CHAR_BOX_DRAWINGS_LIGHT_DOWN_AND_LEFT);
total += bytes;
buf += bytes;
for (r = 0; r < SCREEN_ROWS; ++r) {
bytes = sprintf (buf, "%02d%s", r, EIA608_CHAR_VERTICAL_LINE);
total += bytes, buf += bytes;
// front buffer
for (c = 0; c < SCREEN_COLS; ++c) {
caption_frame_cell_t *cell = frame_buffer_cell (&frame->front, r, c);
bytes = utf8_char_copy (buf, (!cell
|| 0 == cell->data[0]) ? EIA608_CHAR_SPACE : &cell->data[0]);
total += bytes, buf += bytes;
}
bytes =
sprintf (buf, "%s\t%02d%s", EIA608_CHAR_VERTICAL_LINE, r,
EIA608_CHAR_VERTICAL_LINE);
total += bytes, buf += bytes;
// back buffer
for (c = 0; c < SCREEN_COLS; ++c) {
caption_frame_cell_t *cell = frame_buffer_cell (&frame->back, r, c);
bytes = utf8_char_copy (buf, (!cell
|| 0 == cell->data[0]) ? EIA608_CHAR_SPACE : &cell->data[0]);
total += bytes, buf += bytes;
}
bytes = sprintf (buf, "%s\n", EIA608_CHAR_VERTICAL_LINE);
total += bytes, buf += bytes;
}
bytes =
sprintf (buf,
" %s--------------------------------%s\t %s--------------------------------%s\n",
EIA608_CHAR_BOX_DRAWINGS_LIGHT_UP_AND_RIGHT,
EIA608_CHAR_BOX_DRAWINGS_LIGHT_UP_AND_LEFT,
EIA608_CHAR_BOX_DRAWINGS_LIGHT_UP_AND_RIGHT,
EIA608_CHAR_BOX_DRAWINGS_LIGHT_UP_AND_LEFT);
total += bytes, buf += bytes;
return total;
}
void
caption_frame_dump (caption_frame_t * frame)
{
utf8_char_t buff[CAPTION_FRAME_DUMP_BUF_SIZE];
caption_frame_dump_buffer (frame, buff);
fprintf (stderr, "%s\n", buff);
}

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/**********************************************************************************************/
/* The MIT License */
/* */
/* Copyright 2016-2017 Twitch Interactive, Inc. or its affiliates. All Rights Reserved. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining a copy */
/* of this software and associated documentation files (the "Software"), to deal */
/* in the Software without restriction, including without limitation the rights */
/* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell */
/* copies of the Software, and to permit persons to whom the Software is */
/* furnished to do so, subject to the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be included in */
/* all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR */
/* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, */
/* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE */
/* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER */
/* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, */
/* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN */
/* THE SOFTWARE. */
/**********************************************************************************************/
#ifndef LIBCAPTION_H
#define LIBCAPTION_H
#ifdef __cplusplus
extern "C" {
#endif
#include "eia608.h"
#include "utf8.h"
#include "xds.h"
typedef enum {
LIBCAPTION_ERROR = 0,
LIBCAPTION_OK = 1,
LIBCAPTION_READY = 2,
LIBCAPTION_CLEAR = 3,
} libcaption_stauts_t;
static inline libcaption_stauts_t libcaption_status_update(libcaption_stauts_t old_stat, libcaption_stauts_t new_stat)
{
return (LIBCAPTION_ERROR == old_stat || LIBCAPTION_ERROR == new_stat) ? LIBCAPTION_ERROR : (LIBCAPTION_READY == old_stat) ? LIBCAPTION_READY : new_stat;
}
#define SCREEN_ROWS 15
#define SCREEN_COLS 32
typedef struct {
uint8_t uln; //< underline
uint8_t sty; //< style
utf8_char_t data[5]; //< 4 byte utf8 values plus null term
} caption_frame_cell_t;
typedef struct {
caption_frame_cell_t cell[SCREEN_ROWS][SCREEN_COLS];
} caption_frame_buffer_t;
typedef struct {
uint8_t uln; //< underline
uint8_t sty; //< style
uint8_t rup; //< roll-up line count minus 1
int8_t row, col;
uint16_t cc_data;
} caption_frame_state_t;
// timestamp and duration are in seconds
typedef struct {
double timestamp;
xds_t xds;
caption_frame_state_t state;
caption_frame_buffer_t front;
caption_frame_buffer_t back;
caption_frame_buffer_t* write;
libcaption_stauts_t status;
} caption_frame_t;
/*!
\brief Initializes an allocated caption_frame_t instance
\param frame Pointer to prealocated caption_frame_t object
*/
void caption_frame_init(caption_frame_t* frame);
/*! \brief
\param
*/
static inline int caption_frame_popon(caption_frame_t* frame) { return (frame->write == &frame->back) ? 1 : 0; }
/*! \brief
\param
*/
static inline int caption_frame_painton(caption_frame_t* frame) { return (frame->write == &frame->front) ? 1 : 0; }
/*! \brief
\param
*/
const static int _caption_frame_rollup[] = { 0, 2, 3, 4 };
static inline int caption_frame_rollup(caption_frame_t* frame) { return _caption_frame_rollup[frame->state.rup]; }
/*! \brief
\param
*/
static inline double caption_frame_timestamp(caption_frame_t* frame) { return frame->timestamp; }
/*! \brief Writes a single charcter to a caption_frame_t object
\param frame A pointer to an allocted and initialized caption_frame_t object
\param row Row position to write charcter, must be between 0 and SCREEN_ROWS-1
\param col Column position to write charcter, must be between 0 and SCREEN_ROWS-1
\param style Style to apply to charcter
\param underline Set underline attribute, 0 = off any other value = on
\param c pointer to a single valid utf8 charcter. Bytes are automatically determined, and a NULL terminator is not required
*/
int caption_frame_write_char(caption_frame_t* frame, int row, int col, eia608_style_t style, int underline, const utf8_char_t* c);
/*! \brief
\param
*/
const utf8_char_t* caption_frame_read_char(caption_frame_t* frame, int row, int col, eia608_style_t* style, int* underline);
/*! \brief
\param
*/
libcaption_stauts_t caption_frame_decode(caption_frame_t* frame, uint16_t cc_data, double timestamp);
/*! \brief
\param
*/
int caption_frame_from_text(caption_frame_t* frame, const utf8_char_t* data);
/*! \brief
\param
*/
#define CAPTION_FRAME_TEXT_BYTES (4 * ((SCREEN_COLS + 2) * SCREEN_ROWS) + 1)
size_t caption_frame_to_text(caption_frame_t* frame, utf8_char_t* data, int full);
/*! \brief
\param
*/
#define CAPTION_FRAME_DUMP_BUF_SIZE 8192
size_t caption_frame_dump_buffer(caption_frame_t* frame, utf8_char_t* buf);
void caption_frame_dump(caption_frame_t* frame);
#ifdef __cplusplus
}
#endif
#endif

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/**********************************************************************************************/
/* The MIT License */
/* */
/* Copyright 2016-2017 Twitch Interactive, Inc. or its affiliates. All Rights Reserved. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining a copy */
/* of this software and associated documentation files (the "Software"), to deal */
/* in the Software without restriction, including without limitation the rights */
/* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell */
/* copies of the Software, and to permit persons to whom the Software is */
/* furnished to do so, subject to the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be included in */
/* all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR */
/* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, */
/* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE */
/* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER */
/* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, */
/* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN */
/* THE SOFTWARE. */
/**********************************************************************************************/
#include "eia608.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
////////////////////////////////////////////////////////////////////////////////
int eia608_row_map[] = { 10, -1, 0, 1, 2, 3, 11, 12, 13, 14, 4, 5, 6, 7, 8, 9 };
int eia608_reverse_row_map[] =
{ 2, 3, 4, 5, 10, 11, 12, 13, 14, 15, 0, 6, 7, 8, 9, 1 };
const char *eia608_style_map[] = {
"white",
"green",
"blue",
"cyan",
"red",
"yellow",
"magenta",
"italics",
};
static inline uint16_t
eia608_row_pramble (int row, int chan, int x, int underline)
{
row = eia608_reverse_row_map[row & 0x0F];
return eia608_parity (0x1040 | (chan ? 0x0800 : 0x0000) | ((row << 7) &
0x0700) | ((row << 5) & 0x0020) | ((x << 1) & 0x001E) | (underline ?
0x0001 : 0x0000));
}
uint16_t
eia608_row_column_pramble (int row, int col, int chan, int underline)
{
return eia608_row_pramble (row, chan, 0x8 | (col / 4), underline);
}
uint16_t
eia608_row_style_pramble (int row, int chan, eia608_style_t style,
int underline)
{
return eia608_row_pramble (row, chan, style, underline);
}
uint16_t
eia608_midrow_change (int chan, eia608_style_t style, int underline)
{
return eia608_parity (0x1120 | ((chan << 11) & 0x0800) | ((style << 1) &
0x000E) | (underline & 0x0001));
}
int
eia608_parse_preamble (uint16_t cc_data, int *row, int *col,
eia608_style_t * style, int *chan, int *underline)
{
(*row) =
eia608_row_map[((0x0700 & cc_data) >> 7) | ((0x0020 & cc_data) >> 5)];
(*chan) = ! !(0x0800 & cc_data);
(*underline) = 0x0001 & cc_data;
if (0x0010 & cc_data) {
(*style) = eia608_style_white;
(*col) = 4 * ((0x000E & cc_data) >> 1);
} else {
(*style) = (0x000E & cc_data) >> 1;
(*col) = 0;
}
return 1;
}
int
eia608_parse_midrowchange (uint16_t cc_data, int *chan, eia608_style_t * style,
int *underline)
{
(*chan) = ! !(0x0800 & cc_data);
if (0x1120 == (0x7770 & cc_data)) {
(*style) = (0x000E & cc_data) >> 1;
(*underline) = 0x0001 & cc_data;
}
return 1;
}
////////////////////////////////////////////////////////////////////////////////
// control command
eia608_control_t
eia608_parse_control (uint16_t cc_data, int *cc)
{
if (0x0200 & cc_data) {
(*cc) = (cc_data & 0x0800 ? 0x01 : 0x00);
return (eia608_control_t) (0x177F & cc_data);
} else {
(*cc) = (cc_data & 0x0800 ? 0x01 : 0x00) | (cc_data & 0x0100 ? 0x02 : 0x00);
return (eia608_control_t) (0x167F & cc_data);
}
}
uint16_t
eia608_control_command (eia608_control_t cmd, int cc)
{
uint16_t c = (cc & 0x01) ? 0x0800 : 0x0000;
uint16_t f = (cc & 0x02) ? 0x0100 : 0x0000;
if (eia608_tab_offset_0 == (eia608_control_t) (cmd & 0xFFC0)) {
return (eia608_control_t) eia608_parity (cmd | c);
} else {
return (eia608_control_t) eia608_parity (cmd | c | f);
}
}
////////////////////////////////////////////////////////////////////////////////
// text
static const char *
utf8_from_index (int idx)
{
return (0 <= idx && EIA608_CHAR_COUNT > idx) ? eia608_char_map[idx] : "";
}
static int
eia608_to_index (uint16_t cc_data, int *chan, int *c1, int *c2)
{
(*c1) = (*c2) = -1;
(*chan) = 0;
cc_data &= 0x7F7F; // strip off parity bits
// Handle Basic NA BEFORE we strip the channel bit
if (eia608_is_basicna (cc_data)) {
// we got first char, yes. But what about second char?
(*c1) = (cc_data >> 8) - 0x20;
cc_data &= 0x00FF;
if (0x0020 <= cc_data && 0x0080 > cc_data) {
(*c2) = cc_data - 0x20;
return 2;
}
return 1;
}
// Check then strip second channel toggle
(*chan) = cc_data & 0x0800;
cc_data = cc_data & 0xF7FF;
if (eia608_is_specialna (cc_data)) {
// Special North American character
(*c1) = cc_data - 0x1130 + 0x60;
return 1;
}
if (0x1220 <= cc_data && 0x1240 > cc_data) {
// Extended Western European character set, Spanish/Miscellaneous/French
(*c1) = cc_data - 0x1220 + 0x70;
return 1;
}
if (0x1320 <= cc_data && 0x1340 > cc_data) {
// Extended Western European character set, Portuguese/German/Danish
(*c1) = cc_data - 0x1320 + 0x90;
return 1;
}
return 0;
}
int
eia608_to_utf8 (uint16_t c, int *chan, char *str1, char *str2)
{
int c1, c2;
int size = (int) eia608_to_index (c, chan, &c1, &c2);
utf8_char_copy (str1, utf8_from_index (c1));
utf8_char_copy (str2, utf8_from_index (c2));
return size;
}
uint16_t
eia608_from_basicna (uint16_t bna1, uint16_t bna2)
{
if (!eia608_is_basicna (bna1) || !eia608_is_basicna (bna2)) {
return 0;
}
return eia608_parity ((0xFF00 & bna1) | ((0xFF00 & bna2) >> 8));
}
// prototype for re2c generated function
uint16_t _eia608_from_utf8 (const utf8_char_t * s);
uint16_t
eia608_from_utf8_1 (const utf8_char_t * c, int chan)
{
uint16_t cc_data = _eia608_from_utf8 (c);
if (0 == cc_data) {
return cc_data;
}
if (chan && !eia608_is_basicna (cc_data)) {
cc_data |= 0x0800;
}
return eia608_parity (cc_data);
}
uint16_t
eia608_from_utf8_2 (const utf8_char_t * c1, const utf8_char_t * c2)
{
uint16_t cc1 = _eia608_from_utf8 (c1);
uint16_t cc2 = _eia608_from_utf8 (c2);
return eia608_from_basicna (cc1, cc2);
}
////////////////////////////////////////////////////////////////////////////////
int
eia608_to_text (char *buf, ssize_t size, uint16_t cc_data)
{
eia608_style_t style;
const char *text = 0;
char char1[5], char2[5];
char1[0] = char2[0] = 0;
int row, col, chan, underline;
int ret;
if (!eia608_parity_varify (cc_data)) {
text = "parity failed";
} else if (0 == eia608_parity_strip (cc_data)) {
text = "pad";
} else if (eia608_is_basicna (cc_data)) {
text = "basicna";
eia608_to_utf8 (cc_data, &chan, &char1[0], &char2[0]);
} else if (eia608_is_specialna (cc_data)) {
text = "specialna";
eia608_to_utf8 (cc_data, &chan, &char1[0], &char2[0]);
} else if (eia608_is_westeu (cc_data)) {
text = "westeu";
eia608_to_utf8 (cc_data, &chan, &char1[0], &char2[0]);
} else if (eia608_is_xds (cc_data)) {
text = "xds";
} else if (eia608_is_midrowchange (cc_data)) {
text = "midrowchange";
} else if (eia608_is_norpak (cc_data)) {
text = "norpak";
} else if (eia608_is_preamble (cc_data)) {
eia608_parse_preamble (cc_data, &row, &col, &style, &chan, &underline);
ret = snprintf(buf, size, "cc %04X (%04X) '%s' '%s' (preamble: row: %d col: %d style: %d chan: %d underline: %d)",
cc_data, eia608_parity_strip (cc_data), char1, char2, row, col, style, chan, underline);
} else if (eia608_is_control (cc_data)) {
switch (eia608_parse_control (cc_data, &chan)) {
default:
text = "unknown_control";
break;
case eia608_tab_offset_0:
text = "eia608_tab_offset_0";
break;
case eia608_tab_offset_1:
text = "eia608_tab_offset_1";
break;
case eia608_tab_offset_2:
text = "eia608_tab_offset_2";
break;
case eia608_tab_offset_3:
text = "eia608_tab_offset_3";
break;
case eia608_control_resume_caption_loading:
text = "eia608_control_resume_caption_loading";
break;
case eia608_control_backspace:
text = "eia608_control_backspace";
break;
case eia608_control_alarm_off:
text = "eia608_control_alarm_off";
break;
case eia608_control_alarm_on:
text = "eia608_control_alarm_on";
break;
case eia608_control_delete_to_end_of_row:
text = "eia608_control_delete_to_end_of_row";
break;
case eia608_control_roll_up_2:
text = "eia608_control_roll_up_2";
break;
case eia608_control_roll_up_3:
text = "eia608_control_roll_up_3";
break;
case eia608_control_roll_up_4:
text = "eia608_control_roll_up_4";
break;
case eia608_control_resume_direct_captioning:
text = "eia608_control_resume_direct_captioning";
break;
case eia608_control_text_restart:
text = "eia608_control_text_restart";
break;
case eia608_control_text_resume_text_display:
text = "eia608_control_text_resume_text_display";
break;
case eia608_control_erase_display_memory:
text = "eia608_control_erase_display_memory";
break;
case eia608_control_carriage_return:
text = "eia608_control_carriage_return";
break;
case eia608_control_erase_non_displayed_memory:
text = "eia608_control_erase_non_displayed_memory";
break;
case eia608_control_end_of_caption:
text = "eia608_control_end_of_caption";
break;
}
} else {
text = "unhandled";
}
if (text != 0) {
ret = snprintf (buf, size, "cc %04X (%04X) '%s' '%s' (%s)", cc_data, eia608_parity_strip (cc_data), char1, char2, text);
}
return ret;
}
void
eia608_dump (uint16_t cc_data)
{
char *text = NULL;
int bufsz;
bufsz = eia608_to_text (NULL, 0, cc_data);
text = malloc(bufsz + 1);
eia608_to_text (text, bufsz + 1, cc_data);
fprintf (stderr, "%s\n", text);
free (text);
}

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/**********************************************************************************************/
/* The MIT License */
/* */
/* Copyright 2016-2017 Twitch Interactive, Inc. or its affiliates. All Rights Reserved. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining a copy */
/* of this software and associated documentation files (the "Software"), to deal */
/* in the Software without restriction, including without limitation the rights */
/* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell */
/* copies of the Software, and to permit persons to whom the Software is */
/* furnished to do so, subject to the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be included in */
/* all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR */
/* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, */
/* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE */
/* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER */
/* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, */
/* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN */
/* THE SOFTWARE. */
/**********************************************************************************************/
#ifndef LIBCAPTION_EIA608_H
#define LIBCAPTION_EIA608_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdio.h>
#include "eia608_charmap.h"
#include "utf8.h"
////////////////////////////////////////////////////////////////////////////////
// Parity
#define EIA608_BX(B, X) (((B) << (X)) & 0x80)
#define EIA608_BP(B) ((B)&0x7F) | (0x80 ^ EIA608_BX((B), 1) ^ EIA608_BX((B), 2) ^ EIA608_BX((B), 3) ^ EIA608_BX((B), 4) ^ EIA608_BX((B), 5) ^ EIA608_BX((B), 6) ^ EIA608_BX((B), 7))
#define EIA608_B2(B) EIA608_BP((B) + 0), EIA608_BP((B) + 1), EIA608_BP((B) + 2), EIA608_BP((B) + 3), EIA608_BP((B) + 4), EIA608_BP((B) + 5), EIA608_BP((B) + 6), EIA608_BP((B) + 7)
#define EIA608_B1(B) EIA608_B2((B) + 0), EIA608_B2((B) + 8), EIA608_B2((B) + 16), EIA608_B2((B) + 24), EIA608_B2((B) + 32), EIA608_B2((B) + 40), EIA608_B2((B) + 48), EIA608_B2((B) + 56)
static const uint8_t eia608_parity_table[] = { EIA608_B1(0), EIA608_B1(64) };
extern const char* eia608_style_map[];
#ifdef _MSC_VER
#ifndef inline
#define inline __inline
#endif
// ssize_t is POSIX and does not exist on Windows
#if defined(_WIN64)
typedef signed long ssize_t;
#else
typedef signed int ssize_t;
#endif
#endif
/*! \brief
\param
*/
static inline uint8_t eia608_parity_byte(uint8_t cc_data) { return eia608_parity_table[0x7F & cc_data]; }
/*! \brief
\param
*/
static inline uint16_t eia608_parity_word(uint16_t cc_data) { return (uint16_t)((eia608_parity_byte((uint8_t)(cc_data >> 8)) << 8) | eia608_parity_byte((uint8_t)cc_data)); }
/*! \brief
\param
*/
static inline uint16_t eia608_parity(uint16_t cc_data) { return eia608_parity_word(cc_data); }
/*! \brief
\param
*/
static inline int eia608_parity_varify(uint16_t cc_data) { return eia608_parity_word(cc_data) == cc_data ? 1 : 0; }
/*! \brief
\param
*/
static inline int eia608_parity_strip(uint16_t cc_data) { return cc_data & 0x7F7F; }
/*! \brief
\param
*/
static inline int eia608_test_second_channel_bit(uint16_t cc_data) { return (cc_data & 0x0800); }
////////////////////////////////////////////////////////////////////////////////
// cc_data types
/*! \brief
\param
*/
static inline int eia608_is_basicna(uint16_t cc_data) { return 0x0000 != (0x6000 & cc_data); /*&& 0x1F00 < (0x7F00 & cc_data);*/ }
/*! \brief
\param
*/
static inline int eia608_is_preamble(uint16_t cc_data) { return 0x1040 == (0x7040 & cc_data); }
/*! \brief
\param
*/
static inline int eia608_is_midrowchange(uint16_t cc_data) { return 0x1120 == (0x7770 & cc_data); }
/*! \brief
\param
*/
static inline int eia608_is_specialna(uint16_t cc_data) { return 0x1130 == (0x7770 & cc_data); }
/*! \brief
\param
*/
static inline int eia608_is_xds(uint16_t cc_data) { return 0x0000 == (0x7070 & cc_data) && 0x0000 != (0x0F0F & cc_data); }
/*! \brief
\param
*/
static inline int eia608_is_westeu(uint16_t cc_data) { return 0x1220 == (0x7660 & cc_data); }
/*! \brief
\param
*/
static inline int eia608_is_control(uint16_t cc_data) { return 0x1420 == (0x7670 & cc_data) || 0x1720 == (0x7770 & cc_data); }
/*! \brief
\param
*/
static inline int eia608_is_norpak(uint16_t cc_data) { return 0x1724 == (0x777C & cc_data) || 0x1728 == (0x777C & cc_data); }
/*! \brief
\param
*/
static inline int eia608_is_padding(uint16_t cc_data) { return 0x8080 == cc_data; }
////////////////////////////////////////////////////////////////////////////////
// preamble
typedef enum {
eia608_style_white = 0,
eia608_style_green = 1,
eia608_style_blue = 2,
eia608_style_cyan = 3,
eia608_style_red = 4,
eia608_style_yellow = 5,
eia608_style_magenta = 6,
eia608_style_italics = 7,
} eia608_style_t;
/*! \brief
\param
*/
int eia608_parse_preamble(uint16_t cc_data, int* row, int* col, eia608_style_t* style, int* chan, int* underline);
/*! \brief
\param
*/
int eia608_parse_midrowchange(uint16_t cc_data, int* chan, eia608_style_t* style, int* underline);
/*! \brief
\param
*/
uint16_t eia608_row_column_pramble(int row, int col, int chan, int underline);
/*! \brief
\param
*/
uint16_t eia608_row_style_pramble(int row, int chan, eia608_style_t style, int underline);
/*! \brief
\param
*/
uint16_t eia608_midrow_change(int chan, eia608_style_t style, int underline);
////////////////////////////////////////////////////////////////////////////////
// control command
typedef enum {
eia608_tab_offset_0 = 0x1720,
eia608_tab_offset_1 = 0x1721,
eia608_tab_offset_2 = 0x1722,
eia608_tab_offset_3 = 0x1723,
eia608_control_resume_caption_loading = 0x1420,
eia608_control_backspace = 0x1421,
eia608_control_alarm_off = 0x1422,
eia608_control_alarm_on = 0x1423,
eia608_control_delete_to_end_of_row = 0x1424,
eia608_control_roll_up_2 = 0x1425,
eia608_control_roll_up_3 = 0x1426,
eia608_control_roll_up_4 = 0x1427,
eia608_control_resume_direct_captioning = 0x1429,
eia608_control_text_restart = 0x142A,
eia608_control_text_resume_text_display = 0x142B,
eia608_control_erase_display_memory = 0x142C,
eia608_control_carriage_return = 0x142D,
eia608_control_erase_non_displayed_memory = 0x142E,
eia608_control_end_of_caption = 0x142F,
} eia608_control_t;
/*! \brief
\param
*/
uint16_t eia608_control_command(eia608_control_t cmd, int cc);
/*! \brief
\param
*/
static inline uint16_t eia608_tab(int size, int cc) { return eia608_control_command((eia608_control_t)(eia608_tab_offset_0 | (size & 0x0F)), cc); }
/*! \brief
\param
*/
eia608_control_t eia608_parse_control(uint16_t cc_data, int* cc);
////////////////////////////////////////////////////////////////////////////////
// text
/*! \brief
\param c
*/
uint16_t eia608_from_utf8_1(const utf8_char_t* c, int chan);
/*! \brief
\param
*/
uint16_t eia608_from_utf8_2(const utf8_char_t* c1, const utf8_char_t* c2);
/*! \brief
\param
*/
uint16_t eia608_from_basicna(uint16_t bna1, uint16_t bna2);
/*! \brief
\param
*/
int eia608_to_utf8(uint16_t c, int* chan, utf8_char_t* char1, utf8_char_t* char2);
////////////////////////////////////////////////////////////////////////////////
/*! \brief
\param
*/
void eia608_dump(uint16_t cc_data);
/*! \brief
\param
*/
int eia608_to_text (char *buf, ssize_t size, uint16_t cc_data);
////////////////////////////////////////////////////////////////////////////////
#ifdef __cplusplus
}
#endif
#endif

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/**********************************************************************************************/
/* The MIT License */
/* */
/* Copyright 2016-2017 Twitch Interactive, Inc. or its affiliates. All Rights Reserved. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining a copy */
/* of this software and associated documentation files (the "Software"), to deal */
/* in the Software without restriction, including without limitation the rights */
/* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell */
/* copies of the Software, and to permit persons to whom the Software is */
/* furnished to do so, subject to the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be included in */
/* all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR */
/* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, */
/* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE */
/* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER */
/* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, */
/* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN */
/* THE SOFTWARE. */
/**********************************************************************************************/
#include "eia608_charmap.h"
// 0 - 95: Basic North American character set
// 96 - 111: Special North American character
// 112 - 127: Extended Western European character set : Extended Spanish/Miscellaneous
// 128 - 143: Extended Western European character set : Extended French
// 144 - 159: Extended Western European character set : Portuguese
// 160 - 175: Extended Western European character set : German/Danish
const char *eia608_char_map[] = {
EIA608_CHAR_SPACE,
EIA608_CHAR_EXCLAMATION_MARK,
EIA608_CHAR_QUOTATION_MARK,
EIA608_CHAR_NUMBER_SIGN,
EIA608_CHAR_DOLLAR_SIGN,
EIA608_CHAR_PERCENT_SIGN,
EIA608_CHAR_AMPERSAND,
EIA608_CHAR_RIGHT_SINGLE_QUOTATION_MARK,
EIA608_CHAR_LEFT_PARENTHESIS,
EIA608_CHAR_RIGHT_PARENTHESIS,
EIA608_CHAR_LATIN_SMALL_LETTER_A_WITH_ACUTE,
EIA608_CHAR_PLUS_SIGN,
EIA608_CHAR_COMMA,
EIA608_CHAR_HYPHEN_MINUS,
EIA608_CHAR_FULL_STOP,
EIA608_CHAR_SOLIDUS,
EIA608_CHAR_DIGIT_ZERO,
EIA608_CHAR_DIGIT_ONE,
EIA608_CHAR_DIGIT_TWO,
EIA608_CHAR_DIGIT_THREE,
EIA608_CHAR_DIGIT_FOUR,
EIA608_CHAR_DIGIT_FIVE,
EIA608_CHAR_DIGIT_SIX,
EIA608_CHAR_DIGIT_SEVEN,
EIA608_CHAR_DIGIT_EIGHT,
EIA608_CHAR_DIGIT_NINE,
EIA608_CHAR_COLON,
EIA608_CHAR_SEMICOLON,
EIA608_CHAR_LESS_THAN_SIGN,
EIA608_CHAR_EQUALS_SIGN,
EIA608_CHAR_GREATER_THAN_SIGN,
EIA608_CHAR_QUESTION_MARK,
EIA608_CHAR_COMMERCIAL_AT,
EIA608_CHAR_LATIN_CAPITAL_LETTER_A,
EIA608_CHAR_LATIN_CAPITAL_LETTER_B,
EIA608_CHAR_LATIN_CAPITAL_LETTER_C,
EIA608_CHAR_LATIN_CAPITAL_LETTER_D,
EIA608_CHAR_LATIN_CAPITAL_LETTER_E,
EIA608_CHAR_LATIN_CAPITAL_LETTER_F,
EIA608_CHAR_LATIN_CAPITAL_LETTER_G,
EIA608_CHAR_LATIN_CAPITAL_LETTER_H,
EIA608_CHAR_LATIN_CAPITAL_LETTER_I,
EIA608_CHAR_LATIN_CAPITAL_LETTER_J,
EIA608_CHAR_LATIN_CAPITAL_LETTER_K,
EIA608_CHAR_LATIN_CAPITAL_LETTER_L,
EIA608_CHAR_LATIN_CAPITAL_LETTER_M,
EIA608_CHAR_LATIN_CAPITAL_LETTER_N,
EIA608_CHAR_LATIN_CAPITAL_LETTER_O,
EIA608_CHAR_LATIN_CAPITAL_LETTER_P,
EIA608_CHAR_LATIN_CAPITAL_LETTER_Q,
EIA608_CHAR_LATIN_CAPITAL_LETTER_R,
EIA608_CHAR_LATIN_CAPITAL_LETTER_S,
EIA608_CHAR_LATIN_CAPITAL_LETTER_T,
EIA608_CHAR_LATIN_CAPITAL_LETTER_U,
EIA608_CHAR_LATIN_CAPITAL_LETTER_V,
EIA608_CHAR_LATIN_CAPITAL_LETTER_W,
EIA608_CHAR_LATIN_CAPITAL_LETTER_X,
EIA608_CHAR_LATIN_CAPITAL_LETTER_Y,
EIA608_CHAR_LATIN_CAPITAL_LETTER_Z,
EIA608_CHAR_LEFT_SQUARE_BRACKET,
EIA608_CHAR_LATIN_SMALL_LETTER_E_WITH_ACUTE,
EIA608_CHAR_RIGHT_SQUARE_BRACKET,
EIA608_CHAR_LATIN_SMALL_LETTER_I_WITH_ACUTE,
EIA608_CHAR_LATIN_SMALL_LETTER_O_WITH_ACUTE,
EIA608_CHAR_LATIN_SMALL_LETTER_U_WITH_ACUTE,
EIA608_CHAR_LATIN_SMALL_LETTER_A,
EIA608_CHAR_LATIN_SMALL_LETTER_B,
EIA608_CHAR_LATIN_SMALL_LETTER_C,
EIA608_CHAR_LATIN_SMALL_LETTER_D,
EIA608_CHAR_LATIN_SMALL_LETTER_E,
EIA608_CHAR_LATIN_SMALL_LETTER_F,
EIA608_CHAR_LATIN_SMALL_LETTER_G,
EIA608_CHAR_LATIN_SMALL_LETTER_H,
EIA608_CHAR_LATIN_SMALL_LETTER_I,
EIA608_CHAR_LATIN_SMALL_LETTER_J,
EIA608_CHAR_LATIN_SMALL_LETTER_K,
EIA608_CHAR_LATIN_SMALL_LETTER_L,
EIA608_CHAR_LATIN_SMALL_LETTER_M,
EIA608_CHAR_LATIN_SMALL_LETTER_N,
EIA608_CHAR_LATIN_SMALL_LETTER_O,
EIA608_CHAR_LATIN_SMALL_LETTER_P,
EIA608_CHAR_LATIN_SMALL_LETTER_Q,
EIA608_CHAR_LATIN_SMALL_LETTER_R,
EIA608_CHAR_LATIN_SMALL_LETTER_S,
EIA608_CHAR_LATIN_SMALL_LETTER_T,
EIA608_CHAR_LATIN_SMALL_LETTER_U,
EIA608_CHAR_LATIN_SMALL_LETTER_V,
EIA608_CHAR_LATIN_SMALL_LETTER_W,
EIA608_CHAR_LATIN_SMALL_LETTER_X,
EIA608_CHAR_LATIN_SMALL_LETTER_Y,
EIA608_CHAR_LATIN_SMALL_LETTER_Z,
EIA608_CHAR_LATIN_SMALL_LETTER_C_WITH_CEDILLA,
EIA608_CHAR_DIVISION_SIGN,
EIA608_CHAR_LATIN_CAPITAL_LETTER_N_WITH_TILDE,
EIA608_CHAR_LATIN_SMALL_LETTER_N_WITH_TILDE,
EIA608_CHAR_FULL_BLOCK,
EIA608_CHAR_REGISTERED_SIGN,
EIA608_CHAR_DEGREE_SIGN,
EIA608_CHAR_VULGAR_FRACTION_ONE_HALF,
EIA608_CHAR_INVERTED_QUESTION_MARK,
EIA608_CHAR_TRADE_MARK_SIGN,
EIA608_CHAR_CENT_SIGN,
EIA608_CHAR_POUND_SIGN,
EIA608_CHAR_EIGHTH_NOTE,
EIA608_CHAR_LATIN_SMALL_LETTER_A_WITH_GRAVE,
EIA608_CHAR_NO_BREAK_SPACE,
EIA608_CHAR_LATIN_SMALL_LETTER_E_WITH_GRAVE,
EIA608_CHAR_LATIN_SMALL_LETTER_A_WITH_CIRCUMFLEX,
EIA608_CHAR_LATIN_SMALL_LETTER_E_WITH_CIRCUMFLEX,
EIA608_CHAR_LATIN_SMALL_LETTER_I_WITH_CIRCUMFLEX,
EIA608_CHAR_LATIN_SMALL_LETTER_O_WITH_CIRCUMFLEX,
EIA608_CHAR_LATIN_SMALL_LETTER_U_WITH_CIRCUMFLEX,
EIA608_CHAR_LATIN_CAPITAL_LETTER_A_WITH_ACUTE,
EIA608_CHAR_LATIN_CAPITAL_LETTER_E_WITH_ACUTE,
EIA608_CHAR_LATIN_CAPITAL_LETTER_O_WITH_ACUTE,
EIA608_CHAR_LATIN_CAPITAL_LETTER_U_WITH_ACUTE,
EIA608_CHAR_LATIN_CAPITAL_LETTER_U_WITH_DIAERESIS,
EIA608_CHAR_LATIN_SMALL_LETTER_U_WITH_DIAERESIS,
EIA608_CHAR_LEFT_SINGLE_QUOTATION_MARK,
EIA608_CHAR_INVERTED_EXCLAMATION_MARK,
EIA608_CHAR_ASTERISK,
EIA608_CHAR_APOSTROPHE,
EIA608_CHAR_EM_DASH,
EIA608_CHAR_COPYRIGHT_SIGN,
EIA608_CHAR_SERVICE_MARK,
EIA608_CHAR_BULLET,
EIA608_CHAR_LEFT_DOUBLE_QUOTATION_MARK,
EIA608_CHAR_RIGHT_DOUBLE_QUOTATION_MARK,
EIA608_CHAR_LATIN_CAPITAL_LETTER_A_WITH_GRAVE,
EIA608_CHAR_LATIN_CAPITAL_LETTER_A_WITH_CIRCUMFLEX,
EIA608_CHAR_LATIN_CAPITAL_LETTER_C_WITH_CEDILLA,
EIA608_CHAR_LATIN_CAPITAL_LETTER_E_WITH_GRAVE,
EIA608_CHAR_LATIN_CAPITAL_LETTER_E_WITH_CIRCUMFLEX,
EIA608_CHAR_LATIN_CAPITAL_LETTER_E_WITH_DIAERESIS,
EIA608_CHAR_LATIN_SMALL_LETTER_E_WITH_DIAERESIS,
EIA608_CHAR_LATIN_CAPITAL_LETTER_I_WITH_CIRCUMFLEX,
EIA608_CHAR_LATIN_CAPITAL_LETTER_I_WITH_DIAERESIS,
EIA608_CHAR_LATIN_SMALL_LETTER_I_WITH_DIAERESIS,
EIA608_CHAR_LATIN_CAPITAL_LETTER_O_WITH_CIRCUMFLEX,
EIA608_CHAR_LATIN_CAPITAL_LETTER_U_WITH_GRAVE,
EIA608_CHAR_LATIN_SMALL_LETTER_U_WITH_GRAVE,
EIA608_CHAR_LATIN_CAPITAL_LETTER_U_WITH_CIRCUMFLEX,
EIA608_CHAR_LEFT_POINTING_DOUBLE_ANGLE_QUOTATION_MARK,
EIA608_CHAR_RIGHT_POINTING_DOUBLE_ANGLE_QUOTATION_MARK,
EIA608_CHAR_LATIN_CAPITAL_LETTER_A_WITH_TILDE,
EIA608_CHAR_LATIN_SMALL_LETTER_A_WITH_TILDE,
EIA608_CHAR_LATIN_CAPITAL_LETTER_I_WITH_ACUTE,
EIA608_CHAR_LATIN_CAPITAL_LETTER_I_WITH_GRAVE,
EIA608_CHAR_LATIN_SMALL_LETTER_I_WITH_GRAVE,
EIA608_CHAR_LATIN_CAPITAL_LETTER_O_WITH_GRAVE,
EIA608_CHAR_LATIN_SMALL_LETTER_O_WITH_GRAVE,
EIA608_CHAR_LATIN_CAPITAL_LETTER_O_WITH_TILDE,
EIA608_CHAR_LATIN_SMALL_LETTER_O_WITH_TILDE,
EIA608_CHAR_LEFT_CURLY_BRACKET,
EIA608_CHAR_RIGHT_CURLY_BRACKET,
EIA608_CHAR_REVERSE_SOLIDUS,
EIA608_CHAR_CIRCUMFLEX_ACCENT,
EIA608_CHAR_LOW_LINE,
EIA608_CHAR_VERTICAL_LINE,
EIA608_CHAR_TILDE,
EIA608_CHAR_LATIN_CAPITAL_LETTER_A_WITH_DIAERESIS,
EIA608_CHAR_LATIN_SMALL_LETTER_A_WITH_DIAERESIS,
EIA608_CHAR_LATIN_CAPITAL_LETTER_O_WITH_DIAERESIS,
EIA608_CHAR_LATIN_SMALL_LETTER_O_WITH_DIAERESIS,
EIA608_CHAR_LATIN_SMALL_LETTER_SHARP_S,
EIA608_CHAR_YEN_SIGN,
EIA608_CHAR_CURRENCY_SIGN,
EIA608_CHAR_BROKEN_BAR,
EIA608_CHAR_LATIN_CAPITAL_LETTER_A_WITH_RING_ABOVE,
EIA608_CHAR_LATIN_SMALL_LETTER_A_WITH_RING_ABOVE,
EIA608_CHAR_LATIN_CAPITAL_LETTER_O_WITH_STROKE,
EIA608_CHAR_LATIN_SMALL_LETTER_O_WITH_STROKE,
EIA608_CHAR_BOX_DRAWINGS_LIGHT_DOWN_AND_RIGHT,
EIA608_CHAR_BOX_DRAWINGS_LIGHT_DOWN_AND_LEFT,
EIA608_CHAR_BOX_DRAWINGS_LIGHT_UP_AND_RIGHT,
EIA608_CHAR_BOX_DRAWINGS_LIGHT_UP_AND_LEFT,
};

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/**********************************************************************************************/
/* The MIT License */
/* */
/* Copyright 2016-2017 Twitch Interactive, Inc. or its affiliates. All Rights Reserved. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining a copy */
/* of this software and associated documentation files (the "Software"), to deal */
/* in the Software without restriction, including without limitation the rights */
/* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell */
/* copies of the Software, and to permit persons to whom the Software is */
/* furnished to do so, subject to the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be included in */
/* all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR */
/* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, */
/* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE */
/* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER */
/* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, */
/* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN */
/* THE SOFTWARE. */
/**********************************************************************************************/
#ifndef LIBCAPTION_EIA608_CHARMAP_H
#define LIBCAPTION_EIA608_CHARMAP_H
#ifdef __cplusplus
extern "C" {
#endif
#define EIA608_CHAR_COUNT 176
extern const char* eia608_char_map[EIA608_CHAR_COUNT];
// Helper char
#define EIA608_CHAR_NULL ""
// Basic North American character set
#define EIA608_CHAR_SPACE "\x20"
#define EIA608_CHAR_EXCLAMATION_MARK "\x21"
#define EIA608_CHAR_QUOTATION_MARK "\x22"
#define EIA608_CHAR_NUMBER_SIGN "\x23"
#define EIA608_CHAR_DOLLAR_SIGN "\x24"
#define EIA608_CHAR_PERCENT_SIGN "\x25"
#define EIA608_CHAR_AMPERSAND "\x26"
#define EIA608_CHAR_LEFT_SINGLE_QUOTATION_MARK "\xE2\x80\x98"
#define EIA608_CHAR_LEFT_PARENTHESIS "\x28"
#define EIA608_CHAR_RIGHT_PARENTHESIS "\x29"
#define EIA608_CHAR_LATIN_SMALL_LETTER_A_WITH_ACUTE "\xC3\xA1"
#define EIA608_CHAR_PLUS_SIGN "\x2B"
#define EIA608_CHAR_COMMA "\x2C"
#define EIA608_CHAR_HYPHEN_MINUS "\x2D"
#define EIA608_CHAR_FULL_STOP "\x2E"
#define EIA608_CHAR_SOLIDUS "\x2F"
// Basic North American character set
#define EIA608_CHAR_DIGIT_ZERO "\x30"
#define EIA608_CHAR_DIGIT_ONE "\x31"
#define EIA608_CHAR_DIGIT_TWO "\x32"
#define EIA608_CHAR_DIGIT_THREE "\x33"
#define EIA608_CHAR_DIGIT_FOUR "\x34"
#define EIA608_CHAR_DIGIT_FIVE "\x35"
#define EIA608_CHAR_DIGIT_SIX "\x36"
#define EIA608_CHAR_DIGIT_SEVEN "\x37"
#define EIA608_CHAR_DIGIT_EIGHT "\x38"
#define EIA608_CHAR_DIGIT_NINE "\x39"
#define EIA608_CHAR_COLON "\x3A"
#define EIA608_CHAR_SEMICOLON "\x3B"
#define EIA608_CHAR_LESS_THAN_SIGN "\x3C"
#define EIA608_CHAR_EQUALS_SIGN "\x3D"
#define EIA608_CHAR_GREATER_THAN_SIGN "\x3E"
#define EIA608_CHAR_QUESTION_MARK "\x3F"
// Basic North American character set
#define EIA608_CHAR_COMMERCIAL_AT "\x40"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_A "\x41"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_B "\x42"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_C "\x43"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_D "\x44"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_E "\x45"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_F "\x46"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_G "\x47"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_H "\x48"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_I "\x49"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_J "\x4A"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_K "\x4B"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_L "\x4C"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_M "\x4D"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_N "\x4E"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_O "\x4F"
// Basic North American character set
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_P "\x50"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_Q "\x51"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_R "\x52"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_S "\x53"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_T "\x54"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_U "\x55"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_V "\x56"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_W "\x57"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_X "\x58"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_Y "\x59"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_Z "\x5A"
#define EIA608_CHAR_LEFT_SQUARE_BRACKET "\x5B"
#define EIA608_CHAR_LATIN_SMALL_LETTER_E_WITH_ACUTE "\xC3\xA9"
#define EIA608_CHAR_RIGHT_SQUARE_BRACKET "\x5D"
#define EIA608_CHAR_LATIN_SMALL_LETTER_I_WITH_ACUTE "\xC3\xAD"
#define EIA608_CHAR_LATIN_SMALL_LETTER_O_WITH_ACUTE "\xC3\xB3"
// Basic North American character set
#define EIA608_CHAR_LATIN_SMALL_LETTER_U_WITH_ACUTE "\xC3\xBA"
#define EIA608_CHAR_LATIN_SMALL_LETTER_A "\x61"
#define EIA608_CHAR_LATIN_SMALL_LETTER_B "\x62"
#define EIA608_CHAR_LATIN_SMALL_LETTER_C "\x63"
#define EIA608_CHAR_LATIN_SMALL_LETTER_D "\x64"
#define EIA608_CHAR_LATIN_SMALL_LETTER_E "\x65"
#define EIA608_CHAR_LATIN_SMALL_LETTER_F "\x66"
#define EIA608_CHAR_LATIN_SMALL_LETTER_G "\x67"
#define EIA608_CHAR_LATIN_SMALL_LETTER_H "\x68"
#define EIA608_CHAR_LATIN_SMALL_LETTER_I "\x69"
#define EIA608_CHAR_LATIN_SMALL_LETTER_J "\x6A"
#define EIA608_CHAR_LATIN_SMALL_LETTER_K "\x6B"
#define EIA608_CHAR_LATIN_SMALL_LETTER_L "\x6C"
#define EIA608_CHAR_LATIN_SMALL_LETTER_M "\x6D"
#define EIA608_CHAR_LATIN_SMALL_LETTER_N "\x6E"
#define EIA608_CHAR_LATIN_SMALL_LETTER_O "\x6F"
// Basic North American character set
#define EIA608_CHAR_LATIN_SMALL_LETTER_P "\x70"
#define EIA608_CHAR_LATIN_SMALL_LETTER_Q "\x71"
#define EIA608_CHAR_LATIN_SMALL_LETTER_R "\x72"
#define EIA608_CHAR_LATIN_SMALL_LETTER_S "\x73"
#define EIA608_CHAR_LATIN_SMALL_LETTER_T "\x74"
#define EIA608_CHAR_LATIN_SMALL_LETTER_U "\x75"
#define EIA608_CHAR_LATIN_SMALL_LETTER_V "\x76"
#define EIA608_CHAR_LATIN_SMALL_LETTER_W "\x77"
#define EIA608_CHAR_LATIN_SMALL_LETTER_X "\x78"
#define EIA608_CHAR_LATIN_SMALL_LETTER_Y "\x79"
#define EIA608_CHAR_LATIN_SMALL_LETTER_Z "\x7A"
#define EIA608_CHAR_LATIN_SMALL_LETTER_C_WITH_CEDILLA "\xC3\xA7"
#define EIA608_CHAR_DIVISION_SIGN "\xC3\xB7"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_N_WITH_TILDE "\xC3\x91"
#define EIA608_CHAR_LATIN_SMALL_LETTER_N_WITH_TILDE "\xC3\xB1"
#define EIA608_CHAR_FULL_BLOCK "\xE2\x96\x88"
// Special North American character set[edit]
#define EIA608_CHAR_REGISTERED_SIGN "\xC2\xAE"
#define EIA608_CHAR_DEGREE_SIGN "\xC2\xB0"
#define EIA608_CHAR_VULGAR_FRACTION_ONE_HALF "\xC2\xBD"
#define EIA608_CHAR_INVERTED_QUESTION_MARK "\xC2\xBF"
#define EIA608_CHAR_TRADE_MARK_SIGN "\xE2\x84\xA2"
#define EIA608_CHAR_CENT_SIGN "\xC2\xA2"
#define EIA608_CHAR_POUND_SIGN "\xC2\xA3"
#define EIA608_CHAR_EIGHTH_NOTE "\xE2\x99\xAA"
#define EIA608_CHAR_LATIN_SMALL_LETTER_A_WITH_GRAVE "\xC3\xA0"
#define EIA608_CHAR_NO_BREAK_SPACE "\xC2\xA0"
#define EIA608_CHAR_LATIN_SMALL_LETTER_E_WITH_GRAVE "\xC3\xA8"
#define EIA608_CHAR_LATIN_SMALL_LETTER_A_WITH_CIRCUMFLEX "\xC3\xA2"
#define EIA608_CHAR_LATIN_SMALL_LETTER_E_WITH_CIRCUMFLEX "\xC3\xAA"
#define EIA608_CHAR_LATIN_SMALL_LETTER_I_WITH_CIRCUMFLEX "\xC3\xAE"
#define EIA608_CHAR_LATIN_SMALL_LETTER_O_WITH_CIRCUMFLEX "\xC3\xB4"
#define EIA608_CHAR_LATIN_SMALL_LETTER_U_WITH_CIRCUMFLEX "\xC3\xBB"
// Extended Western European character set : Extended Spanish/Miscellaneous
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_A_WITH_ACUTE "\xC3\x81"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_E_WITH_ACUTE "\xC3\x89"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_O_WITH_ACUTE "\xC3\x93"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_U_WITH_ACUTE "\xC3\x9A"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_U_WITH_DIAERESIS "\xC3\x9C"
#define EIA608_CHAR_LATIN_SMALL_LETTER_U_WITH_DIAERESIS "\xC3\xBC"
#define EIA608_CHAR_RIGHT_SINGLE_QUOTATION_MARK "\xE2\x80\x99"
#define EIA608_CHAR_INVERTED_EXCLAMATION_MARK "\xC2\xA1"
#define EIA608_CHAR_ASTERISK "\x2A"
#define EIA608_CHAR_APOSTROPHE "\x27"
#define EIA608_CHAR_EM_DASH "\xE2\x80\x94"
#define EIA608_CHAR_COPYRIGHT_SIGN "\xC2\xA9"
#define EIA608_CHAR_SERVICE_MARK "\xE2\x84\xA0"
#define EIA608_CHAR_BULLET "\xE2\x80\xA2"
#define EIA608_CHAR_LEFT_DOUBLE_QUOTATION_MARK "\xE2\x80\x9C"
#define EIA608_CHAR_RIGHT_DOUBLE_QUOTATION_MARK "\xE2\x80\x9D"
// Extended Western European character set : Extended French
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_A_WITH_GRAVE "\xC3\x80"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_A_WITH_CIRCUMFLEX "\xC3\x82"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_C_WITH_CEDILLA "\xC3\x87"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_E_WITH_GRAVE "\xC3\x88"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_E_WITH_CIRCUMFLEX "\xC3\x8A"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_E_WITH_DIAERESIS "\xC3\x8B"
#define EIA608_CHAR_LATIN_SMALL_LETTER_E_WITH_DIAERESIS "\xC3\xAB"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_I_WITH_CIRCUMFLEX "\xC3\x8E"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_I_WITH_DIAERESIS "\xC3\x8F"
#define EIA608_CHAR_LATIN_SMALL_LETTER_I_WITH_DIAERESIS "\xC3\xAF"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_O_WITH_CIRCUMFLEX "\xC3\x94"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_U_WITH_GRAVE "\xC3\x99"
#define EIA608_CHAR_LATIN_SMALL_LETTER_U_WITH_GRAVE "\xC3\xB9"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_U_WITH_CIRCUMFLEX "\xC3\x9B"
#define EIA608_CHAR_LEFT_POINTING_DOUBLE_ANGLE_QUOTATION_MARK "\xC2\xAB"
#define EIA608_CHAR_RIGHT_POINTING_DOUBLE_ANGLE_QUOTATION_MARK "\xC2\xBB"
// Extended Western European character set : Portuguese
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_A_WITH_TILDE "\xC3\x83"
#define EIA608_CHAR_LATIN_SMALL_LETTER_A_WITH_TILDE "\xC3\xA3"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_I_WITH_ACUTE "\xC3\x8D"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_I_WITH_GRAVE "\xC3\x8C"
#define EIA608_CHAR_LATIN_SMALL_LETTER_I_WITH_GRAVE "\xC3\xAC"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_O_WITH_GRAVE "\xC3\x92"
#define EIA608_CHAR_LATIN_SMALL_LETTER_O_WITH_GRAVE "\xC3\xB2"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_O_WITH_TILDE "\xC3\x95"
#define EIA608_CHAR_LATIN_SMALL_LETTER_O_WITH_TILDE "\xC3\xB5"
#define EIA608_CHAR_LEFT_CURLY_BRACKET "\x7B"
#define EIA608_CHAR_RIGHT_CURLY_BRACKET "\x7D"
#define EIA608_CHAR_REVERSE_SOLIDUS "\x5C"
#define EIA608_CHAR_CIRCUMFLEX_ACCENT "\x5E"
#define EIA608_CHAR_LOW_LINE "\x5F"
#define EIA608_CHAR_VERTICAL_LINE "\x7C"
#define EIA608_CHAR_TILDE "\x7E"
// Extended Western European character set : German/Danish
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_A_WITH_DIAERESIS "\xC3\x84"
#define EIA608_CHAR_LATIN_SMALL_LETTER_A_WITH_DIAERESIS "\xC3\xA4"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_O_WITH_DIAERESIS "\xC3\x96"
#define EIA608_CHAR_LATIN_SMALL_LETTER_O_WITH_DIAERESIS "\xC3\xB6"
#define EIA608_CHAR_LATIN_SMALL_LETTER_SHARP_S "\xC3\x9F"
#define EIA608_CHAR_YEN_SIGN "\xC2\xA5"
#define EIA608_CHAR_CURRENCY_SIGN "\xC2\xA4"
#define EIA608_CHAR_BROKEN_BAR "\xC2\xA6"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_A_WITH_RING_ABOVE "\xC3\x85"
#define EIA608_CHAR_LATIN_SMALL_LETTER_A_WITH_RING_ABOVE "\xC3\xA5"
#define EIA608_CHAR_LATIN_CAPITAL_LETTER_O_WITH_STROKE "\xC3\x98"
#define EIA608_CHAR_LATIN_SMALL_LETTER_O_WITH_STROKE "\xC3\xB8"
#define EIA608_CHAR_BOX_DRAWINGS_LIGHT_DOWN_AND_RIGHT "\xE2\x94\x8C" // top left
#define EIA608_CHAR_BOX_DRAWINGS_LIGHT_DOWN_AND_LEFT "\xE2\x94\x90" // top right
#define EIA608_CHAR_BOX_DRAWINGS_LIGHT_UP_AND_RIGHT "\xE2\x94\x94" // lower left
#define EIA608_CHAR_BOX_DRAWINGS_LIGHT_UP_AND_LEFT "\xE2\x94\x98" // bottom right
#ifdef __cplusplus
}
#endif
#endif

799
subprojects/gst-plugins-bad/sys/dwrite/libcaption/eia608_from_utf8.c Normal file
View file

@ -0,0 +1,799 @@
/* Generated by re2c 1.0.3 on Tue Jun 19 17:18:11 2018 */
/**********************************************************************************************/
/* The MIT License */
/* */
/* Copyright 2016-2017 Twitch Interactive, Inc. or its affiliates. All Rights Reserved. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining a copy */
/* of this software and associated documentation files (the "Software"), to deal */
/* in the Software without restriction, including without limitation the rights */
/* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell */
/* copies of the Software, and to permit persons to whom the Software is */
/* furnished to do so, subject to the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be included in */
/* all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR */
/* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, */
/* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE */
/* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER */
/* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, */
/* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN */
/* THE SOFTWARE. */
/**********************************************************************************************/
#include "utf8.h"
#include <ctype.h>
#include <stdint.h>
uint16_t
_eia608_from_utf8 (const utf8_char_t * s)
{
const unsigned char *YYMARKER = 0;
const unsigned char *YYCURSOR = (const unsigned char *) s;
if (0 == s) {
return 0x0000;
}
{
unsigned char yych;
yych = *YYCURSOR;
if (yych <= '`') {
if (yych <= '*') {
if (yych <= '&') {
if (yych <= 0x00)
goto yy2;
if (yych <= 0x1F)
goto yy4;
goto yy6;
} else {
if (yych <= '\'')
goto yy8;
if (yych <= ')')
goto yy6;
goto yy10;
}
} else {
if (yych <= ']') {
if (yych == '\\')
goto yy12;
goto yy6;
} else {
if (yych <= '^')
goto yy14;
if (yych <= '_')
goto yy16;
goto yy18;
}
}
} else {
if (yych <= 0x7F) {
if (yych <= '|') {
if (yych <= 'z')
goto yy6;
if (yych <= '{')
goto yy20;
goto yy22;
} else {
if (yych <= '}')
goto yy24;
if (yych <= '~')
goto yy26;
goto yy28;
}
} else {
if (yych <= 0xC3) {
if (yych <= 0xC1)
goto yy4;
if (yych <= 0xC2)
goto yy30;
goto yy31;
} else {
if (yych == 0xE2)
goto yy32;
goto yy4;
}
}
}
yy2:
++YYCURSOR;
{
/*NULL*/ return 0x0000;
}
yy4:
++YYCURSOR;
yy5:
{ /*DEFAULT_RULE */
return 0x0000;
}
yy6:
++YYCURSOR;
{ /*ASCII range */
return (s[0] << 8) & 0xFF00;
}
yy8:
++YYCURSOR;
{ /*APOSTROPHE -> RIGHT_SINGLE_QUOTATION_MARK */
return 0x1229;
}
yy10:
++YYCURSOR;
{
/*ASTERISK*/ return 0x1228;
}
yy12:
++YYCURSOR;
{ /*REVERSE_SOLIDUS */
return 0x132B;
}
yy14:
++YYCURSOR;
{ /*CIRCUMFLEX_ACCENT */
return 0x132C;
}
yy16:
++YYCURSOR;
{ /*LOW_LINE */
return 0x132D;
}
yy18:
++YYCURSOR;
{ /*GRAVE_ACCENT -> LEFT_SINGLE_QUOTATION_MARK */
return 0x1226;
}
yy20:
++YYCURSOR;
{ /*LEFT_CURLY_BRACKET */
return 0x1329;
}
yy22:
++YYCURSOR;
{ /*VERTICAL_LINE */
return 0x132E;
}
yy24:
++YYCURSOR;
{ /*RIGHT_CURLY_BRACKET */
return 0x132A;
}
yy26:
++YYCURSOR;
{
/*TILDE*/ return 0x132F;
}
yy28:
++YYCURSOR;
{ /*DEL/BACKSPACE. Need to set bits 9 and 12! return 0x1421; */
return 0x0000;
}
yy30:
yych = *++YYCURSOR;
switch (yych) {
case 0xA0:
goto yy33;
case 0xA1:
goto yy35;
case 0xA2:
goto yy37;
case 0xA3:
goto yy39;
case 0xA4:
goto yy41;
case 0xA5:
goto yy43;
case 0xA6:
goto yy45;
case 0xA9:
goto yy47;
case 0xAB:
goto yy49;
case 0xAE:
goto yy51;
case 0xB0:
goto yy53;
case 0xBB:
goto yy55;
case 0xBD:
goto yy57;
case 0xBF:
goto yy59;
default:
goto yy5;
}
yy31:
yych = *++YYCURSOR;
switch (yych) {
case 0x80:
goto yy61;
case 0x81:
goto yy63;
case 0x82:
goto yy65;
case 0x83:
goto yy67;
case 0x84:
goto yy69;
case 0x85:
goto yy71;
case 0x87:
goto yy73;
case 0x88:
goto yy75;
case 0x89:
goto yy77;
case 0x8A:
goto yy79;
case 0x8B:
goto yy81;
case 0x8C:
goto yy83;
case 0x8D:
goto yy85;
case 0x8E:
goto yy87;
case 0x8F:
goto yy89;
case 0x91:
goto yy91;
case 0x92:
goto yy93;
case 0x93:
goto yy95;
case 0x94:
goto yy97;
case 0x95:
goto yy99;
case 0x96:
goto yy101;
case 0x98:
goto yy103;
case 0x99:
goto yy105;
case 0x9A:
goto yy107;
case 0x9B:
goto yy109;
case 0x9C:
goto yy111;
case 0x9F:
goto yy113;
case 0xA0:
goto yy115;
case 0xA1:
goto yy117;
case 0xA2:
goto yy119;
case 0xA3:
goto yy121;
case 0xA4:
goto yy123;
case 0xA5:
goto yy125;
case 0xA7:
goto yy127;
case 0xA8:
goto yy129;
case 0xA9:
goto yy131;
case 0xAA:
goto yy133;
case 0xAB:
goto yy135;
case 0xAC:
goto yy137;
case 0xAD:
goto yy139;
case 0xAE:
goto yy141;
case 0xAF:
goto yy143;
case 0xB1:
goto yy145;
case 0xB2:
goto yy147;
case 0xB3:
goto yy149;
case 0xB4:
goto yy151;
case 0xB5:
goto yy153;
case 0xB6:
goto yy155;
case 0xB7:
goto yy157;
case 0xB8:
goto yy159;
case 0xB9:
goto yy161;
case 0xBA:
goto yy163;
case 0xBB:
goto yy165;
case 0xBC:
goto yy167;
default:
goto yy5;
}
yy32:
yych = *(YYMARKER = ++YYCURSOR);
switch (yych) {
case 0x80:
goto yy169;
case 0x84:
goto yy171;
case 0x94:
goto yy172;
case 0x96:
goto yy173;
case 0x99:
goto yy174;
default:
goto yy5;
}
yy33:
++YYCURSOR;
{ /*NO_BREAK_SPACE */
return 0x1139;
}
yy35:
++YYCURSOR;
{ /*INVERTED_EXCLAMATION_MARK */
return 0x1227;
}
yy37:
++YYCURSOR;
{ /*CENT_SIGN */
return 0x1135;
}
yy39:
++YYCURSOR;
{ /*POUND_SIGN */
return 0x1136;
}
yy41:
++YYCURSOR;
{ /*CURRENCY_SIGN */
return 0x1336;
}
yy43:
++YYCURSOR;
{ /*YEN_SIGN */
return 0x1335;
}
yy45:
++YYCURSOR;
{ /*BROKEN_BAR */
return 0x1337;
}
yy47:
++YYCURSOR;
{ /*COPYRIGHT_SIGN */
return 0x122B;
}
yy49:
++YYCURSOR;
{ /*LEFT_POINTING_DOUBLE_ANGLE_QUOTATION_MARK */
return 0x123E;
}
yy51:
++YYCURSOR;
{ /*REGISTERED_SIGN */
return 0x1130;
}
yy53:
++YYCURSOR;
{ /*DEGREE_SIGN */
return 0x1131;
}
yy55:
++YYCURSOR;
{ /*RIGHT_POINTING_DOUBLE_ANGLE_QUOTATION_MARK */
return 0x123F;
}
yy57:
++YYCURSOR;
{ /*VULGAR_FRACTION_ONE_HALF */
return 0x1132;
}
yy59:
++YYCURSOR;
{ /*INVERTED_QUESTION_MARK */
return 0x1133;
}
yy61:
++YYCURSOR;
{ /*LATIN_CAPITAL_LETTER_A_WITH_GRAVE */
return 0x1230;
}
yy63:
++YYCURSOR;
{ /*LATIN_CAPITAL_LETTER_A_WITH_ACUTE */
return 0x1220;
}
yy65:
++YYCURSOR;
{ /*LATIN_CAPITAL_LETTER_A_WITH_CIRCUMFLEX */
return 0x1231;
}
yy67:
++YYCURSOR;
{ /*LATIN_CAPITAL_LETTER_A_WITH_TILDE */
return 0x1320;
}
yy69:
++YYCURSOR;
{ /*LATIN_CAPITAL_LETTER_A_WITH_DIAERESIS */
return 0x1330;
}
yy71:
++YYCURSOR;
{ /*LATIN_CAPITAL_LETTER_A_WITH_RING_ABOVE */
return 0x1338;
}
yy73:
++YYCURSOR;
{ /*LATIN_CAPITAL_LETTER_C_WITH_CEDILLA */
return 0x1232;
}
yy75:
++YYCURSOR;
{ /*LATIN_CAPITAL_LETTER_E_WITH_GRAVE */
return 0x1233;
}
yy77:
++YYCURSOR;
{ /*LATIN_CAPITAL_LETTER_E_WITH_ACUTE */
return 0x1221;
}
yy79:
++YYCURSOR;
{ /*LATIN_CAPITAL_LETTER_E_WITH_CIRCUMFLEX */
return 0x1234;
}
yy81:
++YYCURSOR;
{ /*LATIN_CAPITAL_LETTER_E_WITH_DIAERESIS */
return 0x1235;
}
yy83:
++YYCURSOR;
{ /*LATIN_CAPITAL_LETTER_I_WITH_GRAVE */
return 0x1323;
}
yy85:
++YYCURSOR;
{ /*LATIN_CAPITAL_LETTER_I_WITH_ACUTE */
return 0x1322;
}
yy87:
++YYCURSOR;
{ /*LATIN_CAPITAL_LETTER_I_WITH_CIRCUMFLEX */
return 0x1237;
}
yy89:
++YYCURSOR;
{ /*LATIN_CAPITAL_LETTER_I_WITH_DIAERESIS */
return 0x1238;
}
yy91:
++YYCURSOR;
{ /*LATIN_CAPITAL_LETTER_N_WITH_TILDE */
return 0x7D00;
}
yy93:
++YYCURSOR;
{ /*LATIN_CAPITAL_LETTER_O_WITH_GRAVE */
return 0x1325;
}
yy95:
++YYCURSOR;
{ /*LATIN_CAPITAL_LETTER_O_WITH_ACUTE */
return 0x1222;
}
yy97:
++YYCURSOR;
{ /*LATIN_CAPITAL_LETTER_O_WITH_CIRCUMFLEX */
return 0x123A;
}
yy99:
++YYCURSOR;
{ /*LATIN_CAPITAL_LETTER_O_WITH_TILDE */
return 0x1327;
}
yy101:
++YYCURSOR;
{ /*LATIN_CAPITAL_LETTER_O_WITH_DIAERESIS */
return 0x1332;
}
yy103:
++YYCURSOR;
{ /*LATIN_CAPITAL_LETTER_O_WITH_STROKE */
return 0x133A;
}
yy105:
++YYCURSOR;
{ /*LATIN_CAPITAL_LETTER_U_WITH_GRAVE */
return 0x123B;
}
yy107:
++YYCURSOR;
{ /*LATIN_CAPITAL_LETTER_U_WITH_ACUTE */
return 0x1223;
}
yy109:
++YYCURSOR;
{ /*LATIN_CAPITAL_LETTER_U_WITH_CIRCUMFLEX */
return 0x123D;
}
yy111:
++YYCURSOR;
{ /*LATIN_CAPITAL_LETTER_U_WITH_DIAERESIS */
return 0x1224;
}
yy113:
++YYCURSOR;
{ /*LATIN_SMALL_LETTER_SHARP_S */
return 0x1334;
}
yy115:
++YYCURSOR;
{ /*LATIN_SMALL_LETTER_A_WITH_GRAVE */
return 0x1138;
}
yy117:
++YYCURSOR;
{ /*LATIN_SMALL_LETTER_A_WITH_ACUTE */
return 0x2A00;
}
yy119:
++YYCURSOR;
{ /*LATIN_SMALL_LETTER_A_WITH_CIRCUMFLEX */
return 0x113B;
}
yy121:
++YYCURSOR;
{ /*LATIN_SMALL_LETTER_A_WITH_TILDE */
return 0x1321;
}
yy123:
++YYCURSOR;
{ /*LATIN_SMALL_LETTER_A_WITH_DIAERESIS */
return 0x1331;
}
yy125:
++YYCURSOR;
{ /*LATIN_SMALL_LETTER_A_WITH_RING_ABOVE */
return 0x1339;
}
yy127:
++YYCURSOR;
{ /*LATIN_SMALL_LETTER_C_WITH_CEDILLA */
return 0x7B00;
}
yy129:
++YYCURSOR;
{ /*LATIN_SMALL_LETTER_E_WITH_GRAVE */
return 0x113A;
}
yy131:
++YYCURSOR;
{ /*LATIN_SMALL_LETTER_E_WITH_ACUTE */
return 0x5C00;
}
yy133:
++YYCURSOR;
{ /*LATIN_SMALL_LETTER_E_WITH_CIRCUMFLEX */
return 0x113C;
}
yy135:
++YYCURSOR;
{ /*LATIN_SMALL_LETTER_E_WITH_DIAERESIS */
return 0x1236;
}
yy137:
++YYCURSOR;
{ /*LATIN_SMALL_LETTER_I_WITH_GRAVE */
return 0x1324;
}
yy139:
++YYCURSOR;
{ /*LATIN_SMALL_LETTER_I_WITH_ACUTE */
return 0x5E00;
}
yy141:
++YYCURSOR;
{ /*LATIN_SMALL_LETTER_I_WITH_CIRCUMFLEX */
return 0x113D;
}
yy143:
++YYCURSOR;
{ /*LATIN_SMALL_LETTER_I_WITH_DIAERESIS */
return 0x1239;
}
yy145:
++YYCURSOR;
{ /*LATIN_SMALL_LETTER_N_WITH_TILDE */
return 0x7E00;
}
yy147:
++YYCURSOR;
{ /*LATIN_SMALL_LETTER_O_WITH_GRAVE */
return 0x1326;
}
yy149:
++YYCURSOR;
{ /*LATIN_SMALL_LETTER_O_WITH_ACUTE */
return 0x5F00;
}
yy151:
++YYCURSOR;
{ /*LATIN_SMALL_LETTER_O_WITH_CIRCUMFLEX */
return 0x113E;
}
yy153:
++YYCURSOR;
{ /*LATIN_SMALL_LETTER_O_WITH_TILDE */
return 0x1328;
}
yy155:
++YYCURSOR;
{ /*LATIN_SMALL_LETTER_O_WITH_DIAERESIS */
return 0x1333;
}
yy157:
++YYCURSOR;
{ /*DIVISION_SIGN */
return 0x7C00;
}
yy159:
++YYCURSOR;
{ /*LATIN_SMALL_LETTER_O_WITH_STROKE */
return 0x133B;
}
yy161:
++YYCURSOR;
{ /*LATIN_SMALL_LETTER_U_WITH_GRAVE */
return 0x123C;
}
yy163:
++YYCURSOR;
{ /*LATIN_SMALL_LETTER_U_WITH_ACUTE */
return 0x6000;
}
yy165:
++YYCURSOR;
{ /*LATIN_SMALL_LETTER_U_WITH_CIRCUMFLEX */
return 0x113F;
}
yy167:
++YYCURSOR;
{ /*LATIN_SMALL_LETTER_U_WITH_DIAERESIS */
return 0x1225;
}
yy169:
yych = *++YYCURSOR;
switch (yych) {
case 0x94:
goto yy175;
case 0x98:
goto yy177;
case 0x99:
goto yy179;
case 0x9C:
goto yy181;
case 0x9D:
goto yy183;
case 0xA2:
goto yy185;
default:
goto yy170;
}
yy170:
YYCURSOR = YYMARKER;
goto yy5;
yy171:
yych = *++YYCURSOR;
if (yych == 0xA0)
goto yy187;
if (yych == 0xA2)
goto yy189;
goto yy170;
yy172:
yych = *++YYCURSOR;
switch (yych) {
case 0x8C:
goto yy191;
case 0x90:
goto yy193;
case 0x94:
goto yy195;
case 0x98:
goto yy197;
default:
goto yy170;
}
yy173:
yych = *++YYCURSOR;
if (yych == 0x88)
goto yy199;
goto yy170;
yy174:
yych = *++YYCURSOR;
if (yych == 0xAA)
goto yy201;
goto yy170;
yy175:
++YYCURSOR;
{ /*EM_DASH */
return 0x122A;
}
yy177:
++YYCURSOR;
{ /*LEFT_SINGLE_QUOTATION_MARK */
return 0x1226;
}
yy179:
++YYCURSOR;
{ /*RIGHT_SINGLE_QUOTATION_MARK -> APOSTROPHE */
return 0x2700;
}
yy181:
++YYCURSOR;
{ /*LEFT_DOUBLE_QUOTATION_MARK */
return 0x122E;
}
yy183:
++YYCURSOR;
{ /*RIGHT_DOUBLE_QUOTATION_MARK */
return 0x122F;
}
yy185:
++YYCURSOR;
{
/*BULLET*/ return 0x122D;
}
yy187:
++YYCURSOR;
{ /*SERVICE_MARK */
return 0x122C;
}
yy189:
++YYCURSOR;
{ /*TRADE_MARK_SIGN */
return 0x1134;
}
yy191:
++YYCURSOR;
{ /*EIA608_CHAR_BOX_DRAWINGS_LIGHT_DOWN_AND_RIGHT */
return 0x133C;
}
yy193:
++YYCURSOR;
{ /*EIA608_CHAR_BOX_DRAWINGS_LIGHT_DOWN_AND_LEFT */
return 0x133D;
}
yy195:
++YYCURSOR;
{ /*EIA608_CHAR_BOX_DRAWINGS_LIGHT_UP_AND_RIGHT */
return 0x133E;
}
yy197:
++YYCURSOR;
{ /*EIA608_CHAR_BOX_DRAWINGS_LIGHT_UP_AND_LEFT */
return 0x133F;
}
yy199:
++YYCURSOR;
{ /*FULL_BLOCK */
return 0x7F00;
}
yy201:
++YYCURSOR;
{ /*EIGHTH_NOTE */
return 0x1137;
}
}
}

261
subprojects/gst-plugins-bad/sys/dwrite/libcaption/utf8.c Normal file
View file

@ -0,0 +1,261 @@
/**********************************************************************************************/
/* The MIT License */
/* */
/* Copyright 2016-2017 Twitch Interactive, Inc. or its affiliates. All Rights Reserved. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining a copy */
/* of this software and associated documentation files (the "Software"), to deal */
/* in the Software without restriction, including without limitation the rights */
/* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell */
/* copies of the Software, and to permit persons to whom the Software is */
/* furnished to do so, subject to the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be included in */
/* all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR */
/* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, */
/* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE */
/* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER */
/* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, */
/* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN */
/* THE SOFTWARE. */
/**********************************************************************************************/
#include "utf8.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
const utf8_char_t *
utf8_char_next (const utf8_char_t * c)
{
const utf8_char_t *n = c + utf8_char_length (c);
return n == c ? 0 : n;
}
// returnes the length of the char in bytes
size_t
utf8_char_length (const utf8_char_t * c)
{
// count null term as zero size
if (!c || 0x00 == c[0]) {
return 0;
}
static const size_t _utf8_char_length[] = {
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 2,
2, 2, 2, 3, 3, 4, 0
};
return _utf8_char_length[(c[0] >> 3) & 0x1F];
}
int
utf8_char_whitespace (const utf8_char_t * c)
{
// 0x7F is DEL
if (!c || (c[0] >= 0 && c[0] <= ' ') || c[0] == 0x7F) {
return 1;
}
// EIA608_CHAR_NO_BREAK_SPACE TODO other utf8 spaces
if (0xC2 == (unsigned char) c[0] && 0xA0 == (unsigned char) c[1]) {
return 1;
}
return 0;
}
// returns length of the string in bytes
// size is number of charcter to count (0 to count until NULL term)
size_t
utf8_string_length (const utf8_char_t * data, utf8_size_t size)
{
size_t char_length, byts = 0;
if (0 == size) {
size = utf8_char_count (data, 0);
}
for (; 0 < size; --size) {
if (0 == (char_length = utf8_char_length (data))) {
break;
}
data += char_length;
byts += char_length;
}
return byts;
}
size_t
utf8_char_copy (utf8_char_t * dst, const utf8_char_t * src)
{
size_t bytes = utf8_char_length (src);
if (bytes && dst) {
memcpy (dst, src, bytes);
dst[bytes] = '\0';
}
return bytes;
}
// returnes the number of utf8 charcters in a string given the number of bytes
// to count until the a null terminator, pass 0 for size
utf8_size_t
utf8_char_count (const char *data, size_t size)
{
size_t i, bytes = 0;
utf8_size_t count = 0;
if (0 == size) {
size = strlen (data);
}
for (i = 0; i < size; ++count, i += bytes) {
if (0 == (bytes = utf8_char_length (&data[i]))) {
break;
}
}
return count;
}
// returns the length of the line in bytes triming not printable charcters at the end
size_t
utf8_trimmed_length (const utf8_char_t * data, utf8_size_t charcters)
{
size_t l, t = 0, split_at = 0;
for (size_t c = 0; (*data) && c < charcters; ++c) {
l = utf8_char_length (data);
if (!utf8_char_whitespace (data)) {
split_at = t + l;
}
t += l, data += l;
}
return split_at;
}
size_t
_utf8_newline (const utf8_char_t * data)
{
if ('\r' == data[0]) {
return '\n' == data[1] ? 2 : 1; // windows/unix
} else if ('\n' == data[0]) {
return '\r' == data[1] ? 2 : 1; // riscos/macos
} else {
return 0;
}
}
// returns the length in bytes of the line including the new line charcter(s)
// auto detects between windows(CRLF), unix(LF), mac(CR) and riscos (LFCR) line endings
size_t
utf8_line_length (const utf8_char_t * data)
{
size_t n, len = 0;
for (len = 0; 0 != data[len]; ++len) {
if (0 < (n = _utf8_newline (data))) {
return len + n;
}
data += utf8_char_length (data);
}
return len;
}
// returns number of chars to include before split
utf8_size_t
utf8_wrap_length (const utf8_char_t * data, utf8_size_t size)
{
// Set split_at to size, so if a split point cna not be found, retuns the size passed in
size_t char_length, char_count, split_at = size;
for (char_count = 0; char_count <= size; ++char_count) {
if (_utf8_newline (data)) {
return char_count;
} else if (utf8_char_whitespace (data)) {
split_at = char_count;
}
char_length = utf8_char_length (data);
data += char_length;
}
return split_at;
}
int
utf8_line_count (const utf8_char_t * data)
{
size_t len = 0;
int count = 0;
do {
len = utf8_line_length (data);
data += len;
++count;
} while (0 < len);
return count - 1;
}
utf8_char_t *
utf8_load_text_file (const char *path, size_t * size)
{
utf8_char_t *data = NULL;
FILE *file = fopen (path, "r");
if (file) {
fseek (file, 0, SEEK_END);
size_t file_size = ftell (file);
fseek (file, 0, SEEK_SET);
if (0 == (*size) || file_size <= (*size)) {
(*size) = 0;
data = (utf8_char_t *) malloc (1 + file_size);
memset (data, '\0', file_size);
if (data) {
utf8_char_t *pos = data;
size_t bytes_read = 0;
while (0 < (bytes_read = fread (pos, 1, file_size - (*size), file))) {
pos += bytes_read;
(*size) += bytes_read;
}
}
fclose (file);
}
}
data[*size] = 0;
return data;
}
#ifndef strnstr
char *
strnstr (const char *string1, const char *string2, size_t len)
{
size_t length2;
length2 = strlen (string2);
if (!length2) {
return (char *) string1;
}
while (len >= length2) {
len--;
if (!memcmp (string1, string2, length2))
return (char *) string1;
string1++;
}
return NULL;
}
#endif

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/**********************************************************************************************/
/* The MIT License */
/* */
/* Copyright 2016-2017 Twitch Interactive, Inc. or its affiliates. All Rights Reserved. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining a copy */
/* of this software and associated documentation files (the "Software"), to deal */
/* in the Software without restriction, including without limitation the rights */
/* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell */
/* copies of the Software, and to permit persons to whom the Software is */
/* furnished to do so, subject to the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be included in */
/* all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR */
/* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, */
/* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE */
/* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER */
/* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, */
/* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN */
/* THE SOFTWARE. */
/**********************************************************************************************/
#ifndef LIBCAPTION_UTF8_H
#define LIBCAPTION_UTF8_H
#ifdef __cplusplus
extern "C" {
#endif
#include <inttypes.h>
#include <stddef.h>
// These types exist to make the code more self dcoumenting
// utf8_char_t point is a null teminate string of utf8 encodecd chars
//
// utf8_size_t is the length of a string in chars
// size_t is bytes
typedef char utf8_char_t;
typedef size_t utf8_size_t;
/*! \brief
\param
Skiped continuation bytes
*/
const utf8_char_t* utf8_char_next(const utf8_char_t* c);
/*! \brief
\param
returnes the length of the char in bytes
*/
size_t utf8_char_length(const utf8_char_t* c);
/*! \brief
\param
returns 1 if first charcter is white space
*/
int utf8_char_whitespace(const utf8_char_t* c);
/*! \brief
\param
returns length of the string in bytes
size is number of charcter to count (0 to count until NULL term)
*/
size_t utf8_string_length(const utf8_char_t* data, utf8_size_t size);
/*! \brief
\param
*/
size_t utf8_char_copy(utf8_char_t* dst, const utf8_char_t* src);
/*! \brief
\param
returnes the number of utf8 charcters in a string givne the numbe of bytes
to coutn until the a null terminator, pass 0 for size
*/
utf8_size_t utf8_char_count(const char* data, size_t size);
/*! \brief
\param
returnes the length of the line in bytes triming not printable characters at the end
*/
utf8_size_t utf8_trimmed_length(const utf8_char_t* data, utf8_size_t charcters);
/*! \brief
\param
returns the length in bytes of the line including the new line charcter(s)
auto detects between windows(CRLF), unix(LF), mac(CR) and riscos (LFCR) line endings
*/
size_t utf8_line_length(const utf8_char_t* data);
/*! \brief
\param
returns number of chars to include before split
*/
utf8_size_t utf8_wrap_length(const utf8_char_t* data, utf8_size_t size);
/*! \brief
\param
returns number of new lines in the string
*/
int utf8_line_count(const utf8_char_t* data);
/*! \brief
\param
size in/out. In the the max seize, out is the size read;
returns number of new lins in teh string
*/
#define UFTF_DEFAULT_MAX_FILE_SIZE = (50 * 1024 * 1024);
utf8_char_t* utf8_load_text_file(const char* path, size_t* size);
/*! \brief
\param
Compares 2 strings up to max len
*/
#ifndef strnstr
char* strnstr(const char* string1, const char* string2, size_t len);
#endif
#ifdef __cplusplus
}
#endif
#endif

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Based on libcaption: https://github.com/szatmary/libcaption
commit e8b6261090eb3f2012427cc6b151c923f82453db

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/**********************************************************************************************/
/* The MIT License */
/* */
/* Copyright 2016-2017 Twitch Interactive, Inc. or its affiliates. All Rights Reserved. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining a copy */
/* of this software and associated documentation files (the "Software"), to deal */
/* in the Software without restriction, including without limitation the rights */
/* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell */
/* copies of the Software, and to permit persons to whom the Software is */
/* furnished to do so, subject to the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be included in */
/* all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR */
/* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, */
/* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE */
/* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER */
/* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, */
/* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN */
/* THE SOFTWARE. */
/**********************************************************************************************/
// http://www.theneitherworld.com/mcpoodle/SCC_TOOLS/DOCS/CC_XDS.HTML#PR
#include "xds.h"
#include "caption.h"
#include <string.h>
void
xds_init (xds_t * xds)
{
memset (xds, 0, sizeof (xds_t));
}
int
xds_decode (xds_t * xds, uint16_t cc)
{
switch (xds->state) {
default:
case 0:
xds_init (xds);
xds->class_code = (cc & 0x0F00) >> 8;
xds->type = (cc & 0x000F);
xds->state = 1;
return LIBCAPTION_OK;
case 1:
if (0x8F00 == (cc & 0xFF00)) {
xds->checksum = (cc & 0x007F);
xds->state = 0;
return LIBCAPTION_READY;
}
if (xds->size < 32) {
xds->content[xds->size + 0] = (cc & 0x7F00) >> 8;
xds->content[xds->size + 1] = (cc & 0x007F);
xds->size += 2;
return LIBCAPTION_OK;
}
}
xds->state = 0;
return LIBCAPTION_ERROR;
}

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/**********************************************************************************************/
/* The MIT License */
/* */
/* Copyright 2016-2017 Twitch Interactive, Inc. or its affiliates. All Rights Reserved. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining a copy */
/* of this software and associated documentation files (the "Software"), to deal */
/* in the Software without restriction, including without limitation the rights */
/* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell */
/* copies of the Software, and to permit persons to whom the Software is */
/* furnished to do so, subject to the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be included in */
/* all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR */
/* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, */
/* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE */
/* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER */
/* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, */
/* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN */
/* THE SOFTWARE. */
/**********************************************************************************************/
#ifndef LIBCAPTION_XDS_H
#define LIBCAPTION_XDS_H
#ifdef __cplusplus
extern "C" {
#endif
#include <inttypes.h>
#include <stddef.h>
typedef struct {
int state;
uint8_t class_code;
uint8_t type;
uint32_t size;
uint8_t content[32];
uint8_t checksum;
} xds_t;
void xds_init(xds_t* xds);
int xds_decode(xds_t* xds, uint16_t cc);
#ifdef __cplusplus
}
#endif
#endif