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yolobs-studio/deps/libcaption/unit_tests/eia608_test.c

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New upstream version 18.0.1+dfsg1
2017-04-15 19:02:06 +00:00
/**********************************************************************************************/
/* The MIT License */
/* */
/* Copyright 2016-2016 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 <time.h>
#include <unistd.h>
// all possible utf8 valies, including invalid ones
void encode_utf8ish (int32_t in, char out[7])
{
if (0 > in) {
out[0] = 0;
return;
}
// 0xxxxxxx, 7 bits
if (0x80 > in) {
out[0] = in;
out[1] = 0;
return;
}
// 110xxxxx 10xxxxxx, 11 bits
if (0x800 > in) {
out[0] = 0xC0 | ( (in >> (6*1)) & 0x1F);
out[1] = 0x80 | ( (in >> (6*0)) & 0x3F);
out[2] = 0;
return;
}
// 1110xxxx 10xxxxxx 10xxxxxx, 16 bits
if (0x10000 > in) {
out[0] = 0xE0 | ( (in >> (6*2)) & 0x0F);
out[1] = 0x80 | ( (in >> (6*1)) & 0x3F);
out[2] = 0x80 | ( (in >> (6*0)) & 0x3F);
out[3] = 0;
return;
}
// 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx, 21 bits
if (0x200000 > in) {
out[0] = 0xF0 | ( (in >> (6*3)) & 0x07);
out[1] = 0x80 | ( (in >> (6*2)) & 0x3F);
out[2] = 0x80 | ( (in >> (6*1)) & 0x3F);
out[3] = 0x80 | ( (in >> (6*0)) & 0x3F);
out[4] = 0;
return;
}
// 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx, 26 bits
if (0x4000000 > in) {
out[0] = 0xF8 | ( (in >> (6*4)) & 0x03);
out[1] = 0x80 | ( (in >> (6*3)) & 0x3F);
out[2] = 0x80 | ( (in >> (6*2)) & 0x3F);
out[3] = 0x80 | ( (in >> (6*1)) & 0x3F);
out[4] = 0x80 | ( (in >> (6*0)) & 0x3F);
out[5] = 0;
return;
}
// 1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx, 31 bits
if (0x80000000 > in) {
out[0] = 0xFC | ( (in >> (6*5)) & 0x01);
out[1] = 0x80 | ( (in >> (6*4)) & 0x3F);
out[2] = 0x80 | ( (in >> (6*3)) & 0x3F);
out[3] = 0x80 | ( (in >> (6*2)) & 0x3F);
out[4] = 0x80 | ( (in >> (6*1)) & 0x3F);
out[5] = 0x80 | ( (in >> (6*0)) & 0x3F);
out[6] = 0;
return;
}
}
void test_all_utf8()
{
char s[7]; size_t size, count = 0; uint16_t code1, code2;
for (int i = 0 ; i < 0x80000000 ; ++i) {
encode_utf8ish (i, &s[0]);
code1 = eia608_from_utf8 ( (const char*) &s[0], 0, &size);
// code2 = eia608_from_utf8 ( (const char*) &s[0], 1, &size);
if (code1) {
++count;
printf ("%d: string: '%s' code: %04X\n",count, &s[0],code1);
}
}
// Count must be 177
// 176 charcters, pile we have two mapping for left quote mark
}
#define BIN "%d%d%d%d%d%d%d%d %d%d%d%d%d%d%d%d"
#define BIND(D) ((D)>>15)&0x01, ((D)>>14)&0x01,((D)>>13)&0x01,((D)>>12)&0x01,((D)>>11)&0x01,((D)>>10)&0x01,((D)>>9)&0x01,((D)>>8)&0x01,((D)>>7)&0x01,((D)>>6)&0x01,((D)>>5)&0x01,((D)>>4)&0x01,((D)>>3)&0x01,((D)>>2)&0x01,((D)>>1)&0x01,((D)>>0)&0x01
void print_bin (int n)
{
int mask = 0x80;
for (int mask = 0x80 ; mask ; mask >>= 1) {
printf ("%s", n & mask ? "1" : "0");
}
printf ("\n");
}
void void_test_all_possible_code_words()
{
for (int i = 0 ; i <= 0x3FFF ; ++i) {
int16_t code = eia608_parity ( ( (i<<1) &0x7F00) | (i&0x7F));
int count =eia608_cc_data_is_extended_data_service (code)+
eia608_cc_data_is_basic_north_american_character (code) +
eia608_cc_data_is_special_north_american_character (code) +
eia608_cc_data_is_extended_western_european_character (code) +
eia608_cc_data_is_nonwestern_norpak_character (code) +
eia608_cc_data_is_row_preamble (code) +
eia608_cc_data_is_control_command (code);
if (1 < count) {
printf ("code 0x%04X matched >1\n",code&0x7F7F);
}
// if (0 == count) {
// printf ("code 0x%04X not matched %d\n",eia608_strip_parity_bits (code), i);
// }
}
}
void print_charmap()
{
for (int i = 0 ; i < EIA608_CHAR_COUNT ; ++i) {
printf ("%s", eia608_char_map[i]);
}
printf ("\n");
}
void dance()
{
for (int i = 0 ; i < 100 ; ++i) {
const char* l = 0 == rand() % 2 ? EIA608_CHAR_BOX_DRAWINGS_LIGHT_UP_AND_RIGHT : EIA608_CHAR_BOX_DRAWINGS_LIGHT_DOWN_AND_RIGHT;
const char* r = 0 == rand() % 2 ? EIA608_CHAR_BOX_DRAWINGS_LIGHT_DOWN_AND_LEFT : EIA608_CHAR_BOX_DRAWINGS_LIGHT_UP_AND_LEFT;
printf ("%s %s%s%s%s%s%s%s %s ", EIA608_CHAR_EIGHTH_NOTE, l, EIA608_CHAR_LEFT_PARENTHESIS, EIA608_CHAR_EM_DASH, EIA608_CHAR_LOW_LINE, EIA608_CHAR_EM_DASH,
EIA608_CHAR_RIGHT_PARENTHESIS, r, EIA608_CHAR_EIGHTH_NOTE);
}
}
int main (int argc, const char** arg)
{
// print_charmap();
// // return 0;
// srand (time (0));
// // test_all_utf8();
// // void_test_all_possible_code_words();
// // return 0;
// // print_charmap();
// dance();
// return 0;
for (int i = 0 ; i <= 0x3FFF ; ++i) {
uint16_t code1 = eia608_parity ( ( (i<<1) &0x7F00) | (i&0x7F));
switch (eia608_cc_data_type (code1)) {
default:
case EIA608_CC_DATA_UNKNOWN:
// printf ("Unknown code %04X\n",code);
break;
case EIA608_CC_DATA_CONTROL_COMMAND: {
int cc;
eia608_control_t cmd = eia608_parse_control (code1, &cc);
uint16_t code2 = eia608_control_command (cmd,cc);
if (code1 != code2) {
printf (BIN " != " BIN " (0x%04x != 0x%04x) cc: %d\n", BIND (code1), BIND (code2),code1,code2,cc);
}
} break;
case EIA608_CC_DATA_BASIC_NORTH_AMERICAN_CHARACTER: {
char char1[5], char2[5]; int chan; size_t size;
if (eia608_to_utf8 (code1, &chan, &char1[0], &char2[0])) {
uint16_t code2 = eia608_from_utf8_2 (&char1[0], &char2[0]);
// if the second char is invalid, mask it off, we will accept the first
if (0x80 < (code1 &0x007F) || 0x20 > (code1 &0x007F)) {
code1 = (code1&0xFF00) |0x0080;
}
if (code1 == code2) {
// printf ("%s " BIN " == " BIN " (0x%04x == 0x%04x)\n", &char1[0], BIND (code1), BIND (code2),code1,code2);
} else {
printf ("%s %s " BIN " != " BIN " (0x%04x != 0x%04x)\n", &char1[0], &char2[0], BIND (code1), BIND (code2),code1,code2);
}
}
} break;
case EIA608_CC_DATA_SPECIAL_NORTH_AMERICAN_CHARACTER:
case EIA608_CC_DATA_EXTENDED_WESTERN_EUROPEAN_CHARACTER: {
char char1[5], char2[5]; int chan; size_t size;
if (eia608_to_utf8 (code1, &chan, &char1[0], &char2[0])) {
uint16_t code2 = eia608_from_utf8 (&char1[0], chan, &size);
if (code1 == code2) {
// printf ("%s " BIN " == " BIN " (0x%04x == 0x%04x)\n", &char1[0], BIND (code1), BIND (code2),code1,code2);
} else {
printf ("%s " BIN " != " BIN " (0x%04x != 0x%04x)\n", &char1[0], BIND (code1), BIND (code2),code1,code2);
}
}
} break;
// #define EIA608_CODE_ROW_PREAMBLE 4
// #define EIA608_CODE_EXTENDED_DATA_SERVICE 5
// #define EIA608_CODE_CONTROL_COMMAND 6
}
}
return 0;
}
// for (uint16_t i = 0 ; i < 0x4000; ++i) {
// int chan;
// char str[7];
// uint16_t code = ( (i<<1) &0x7F00) | (i & 0x007F);
//
// if (eia608_to_utf8 (code,&chan,str)) {
// printf ("code: 0x%04X str: '%s'\n", code,str);
// }
// }
//
// // for(int i = 0 ; i < cie608_char_count ; ++i)
// // {
// // cie608_char_map[i]
// //
// // }
//
//
// for (int i = 0 ; i < 128 ; ++i) {
// // print_bin( B7( i ) );
// // print_bin( eia608_parity_table[i] );
// printf ("%d %d %d\n", i, 0x7F & eia608_parity_table[i], eia608_parity_table[i]);
// // if ( i != eia608_parity_table[i] )
// // {
// // printf( "ERROR\n" );
// //
// // }
// }
//
// }
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