unsigned get_decoder_line_encoded_for_gui(unsigned char *buffer, int line_num, struct eia608_screen *data)
{
unsigned char *line = data->characters[line_num];
unsigned char *orig = buffer; // Keep for debugging
int first = 0, last = 31;
find_limit_characters(line, &first, &last);
for (int i = first; i <= last; i++)
{
get_char_in_latin_1(buffer, line[i]);
buffer++;
}
*buffer = 0;
return (unsigned)(buffer - orig); // Return length
}
int get_str_basic(unsigned char *out_buffer, unsigned char *in_buffer, int trim_subs,
enum ccx_encoding_type in_enc, enum ccx_encoding_type out_enc, int max_len)
{
int last_non_blank = -1;
int first_non_blank = -1;
int len = 0;
find_limit_characters(in_buffer, &first_non_blank, &last_non_blank, max_len);
if (!trim_subs)
first_non_blank = 0;
if (first_non_blank == -1)
{
*out_buffer = 0;
return 0;
}
// change encoding only when required
switch (in_enc)
{
case CCX_ENC_UTF_8:
len = change_utf8_encoding(out_buffer, in_buffer + first_non_blank, last_non_blank-first_non_blank+1, out_enc);
break;
case CCX_ENC_LATIN_1:
len = change_latin1_encoding(out_buffer, in_buffer + first_non_blank, last_non_blank-first_non_blank+1, out_enc);
break;
case CCX_ENC_UNICODE:
len = change_unicode_encoding(out_buffer, in_buffer + first_non_blank, last_non_blank-first_non_blank+1, out_enc);
break;
case CCX_ENC_ASCII:
len = change_ascii_encoding(out_buffer, in_buffer + first_non_blank, last_non_blank-first_non_blank+1, out_enc);
break;
}
if (len < 0)
mprint("WARNING: Could not encode in specified format\n");
else if (len == CCX_ENOSUPP)
// we only support ASCII to other encoding std
mprint("WARNING: Encoding is not yet supported\n");
else
return (unsigned)len; // Return length
return 0; // Return length
}
unsigned get_decoder_line_basic(unsigned char *buffer, int line_num, struct eia608_screen *data, int trim_subs, enum ccx_encoding_type encoding)
{
unsigned char *line = data->characters[line_num];
int last_non_blank = -1;
int first_non_blank = -1;
unsigned char *orig = buffer; // Keep for debugging
find_limit_characters(line, &first_non_blank, &last_non_blank);
if (!trim_subs)
first_non_blank = 0;
if (first_non_blank == -1)
{
*buffer = 0;
return 0;
}
int bytes = 0;
for (int i = first_non_blank; i <= last_non_blank; i++)
{
char c = line[i];
switch (encoding)
{
case CCX_ENC_UTF_8:
bytes = get_char_in_utf_8(buffer, c);
break;
case CCX_ENC_LATIN_1:
get_char_in_latin_1(buffer, c);
bytes = 1;
break;
case CCX_ENC_UNICODE:
get_char_in_unicode(buffer, c);
bytes = 2;
break;
}
buffer += bytes;
}
*buffer = 0;
return (unsigned)(buffer - orig); // Return length
}
int write_cc_buffer_as_srt(struct eia608_screen *data, struct encoder_ctx *context)
{
int used;
unsigned h1,m1,s1,ms1;
unsigned h2,m2,s2,ms2;
LLONG ms_start, ms_end;
int wrote_something = 0;
ms_start = data->start_time;
int prev_line_start=-1, prev_line_end=-1; // Column in which the previous line started and ended, for autodash
int prev_line_center1=-1, prev_line_center2=-1; // Center column of previous line text
int empty_buf=1;
for (int i=0;i<15;i++)
{
if (data->row_used[i])
{
empty_buf=0;
break;
}
}
if (empty_buf) // Prevent writing empty screens. Not needed in .srt
return 0;
ms_start+=context->subs_delay;
if (ms_start<0) // Drop screens that because of subs_delay start too early
return 0;
ms_end = data->end_time;
mstotime (ms_start,&h1,&m1,&s1,&ms1);
mstotime (ms_end-1,&h2,&m2,&s2,&ms2); // -1 To prevent overlapping with next line.
char timeline[128];
context->srt_counter++;
sprintf(timeline, "%u%s", context->srt_counter, context->encoded_crlf);
used = encode_line(context, context->buffer,(unsigned char *) timeline);
write(context->out->fh, context->buffer, used);
sprintf (timeline, "%02u:%02u:%02u,%03u --> %02u:%02u:%02u,%03u%s",
h1, m1, s1, ms1, h2, m2, s2, ms2, context->encoded_crlf);
used = encode_line(context, context->buffer,(unsigned char *) timeline);
dbg_print(CCX_DMT_DECODER_608, "\n- - - SRT caption ( %d) - - -\n", context->srt_counter);
dbg_print(CCX_DMT_DECODER_608, "%s",timeline);
write (context->out->fh, context->buffer, used);
for (int i=0;i<15;i++)
{
if (data->row_used[i])
{
if (context->sentence_cap)
{
capitalize (i,data);
correct_case(i,data);
}
if (context->autodash && context->trim_subs)
{
int first=0, last=31, center1=-1, center2=-1;
unsigned char *line = data->characters[i];
int do_dash=1, colon_pos=-1;
find_limit_characters(line,&first,&last);
if (first==-1 || last==-1) // Probably a bug somewhere though
break;
// Is there a speaker named, for example: TOM: What are you doing?
for (int j=first;j<=last;j++)
{
if (line[j]==':')
{
colon_pos=j;
break;
}
if (!isupper (line[j]))
break;
}
if (prev_line_start==-1)
do_dash=0;
if (first==prev_line_start) // Case of left alignment
do_dash=0;
if (last==prev_line_end) // Right align
do_dash=0;
if (first>prev_line_start && last<prev_line_end) // Fully contained
do_dash=0;
if ((first>prev_line_start && first<prev_line_end) || // Overlap
(last>prev_line_start && last<prev_line_end))
do_dash=0;
center1=(first+last)/2;
if (colon_pos!=-1)
{
while (colon_pos<CCX_DECODER_608_SCREEN_WIDTH &&
(line[colon_pos]==':' ||
line[colon_pos]==' ' ||
line[colon_pos]==0x89))
colon_pos++; // Find actual text
center2=(colon_pos+last)/2;
}
else
center2=center1;
if (center1>=prev_line_center1-1 && center1<=prev_line_center1+1 && center1!=-1) // Center align
do_dash=0;
if (center2>=prev_line_center2-2 && center1<=prev_line_center2+2 && center1!=-1) // Center align
do_dash=0;
if (do_dash)
write(context->out->fh, "- ", 2);
prev_line_start=first;
prev_line_end=last;
prev_line_center1=center1;
prev_line_center2=center2;
}
int length = get_decoder_line_encoded (context, context->subline, i, data);
if (context->encoding!=CCX_ENC_UNICODE)
{
dbg_print(CCX_DMT_DECODER_608, "\r");
dbg_print(CCX_DMT_DECODER_608, "%s\n",context->subline);
}
write(context->out->fh, context->subline, length);
write(context->out->fh, context->encoded_crlf, context->encoded_crlf_length);
wrote_something=1;
// fprintf (wb->fh,context->encoded_crlf);
}
}
dbg_print(CCX_DMT_DECODER_608, "- - - - - - - - - - - -\r\n");
// fprintf (wb->fh, context->encoded_crlf);
write (context->out->fh, context->encoded_crlf, context->encoded_crlf_length);
return wrote_something;
}
unsigned get_decoder_line_encoded(unsigned char *buffer, int line_num, struct eia608_screen *data)
{
int col = COL_WHITE;
int underlined = 0;
int italics = 0;
int changed_font = 0;
char tagstack[128] = ""; // Keep track of opening/closing tags
unsigned char *line = data->characters[line_num];
unsigned char *orig = buffer; // Keep for debugging
int first = 0, last = 31;
if (ccx_encoders_helpers_settings.trim_subs)
find_limit_characters(line, &first, &last);
for (int i = first; i <= last; i++)
{
// Handle color
int its_col = data->colors[line_num][i];
if (its_col != col && !ccx_encoders_helpers_settings.no_font_color &&
!(col == COL_USERDEFINED && its_col == COL_WHITE)) // Don't replace user defined with white
{
if (changed_font)
buffer = close_tag(buffer, tagstack, 'F', &underlined, &italics, &changed_font);
// Add new font tag
buffer += encode_line(buffer, (unsigned char*)color_text[its_col][1]);
if (its_col == COL_USERDEFINED)
{
// The previous sentence doesn't copy the whole
// <font> tag, just up to the quote before the color
buffer += encode_line(buffer, (unsigned char*)usercolor_rgb);
buffer += encode_line(buffer, (unsigned char*) "\">");
}
if (color_text[its_col][1][0]) // That means a <font> was added to the buffer
{
strcat(tagstack, "F");
changed_font++;
}
col = its_col;
}
// Handle underlined
int is_underlined = data->fonts[line_num][i] & FONT_UNDERLINED;
if (is_underlined && underlined == 0 && !ccx_encoders_helpers_settings.no_type_setting) // Open underline
{
buffer += encode_line(buffer, (unsigned char *) "<u>");
strcat(tagstack, "U");
underlined++;
}
if (is_underlined == 0 && underlined && !ccx_encoders_helpers_settings.no_type_setting) // Close underline
{
buffer = close_tag(buffer, tagstack, 'U', &underlined, &italics, &changed_font);
}
// Handle italics
int has_ita = data->fonts[line_num][i] & FONT_ITALICS;
if (has_ita && italics == 0 && !ccx_encoders_helpers_settings.no_type_setting) // Open italics
{
buffer += encode_line(buffer, (unsigned char *) "<i>");
strcat(tagstack, "I");
italics++;
}
if (has_ita == 0 && italics && !ccx_encoders_helpers_settings.no_type_setting) // Close italics
{
buffer = close_tag(buffer, tagstack, 'I', &underlined, &italics, &changed_font);
}
int bytes = 0;
switch (ccx_encoders_helpers_settings.encoding)
{
case CCX_ENC_UTF_8:
bytes = get_char_in_utf_8(buffer, line[i]);
break;
case CCX_ENC_LATIN_1:
get_char_in_latin_1(buffer, line[i]);
bytes = 1;
break;
case CCX_ENC_UNICODE:
get_char_in_unicode(buffer, line[i]);
bytes = 2;
break;
}
buffer += bytes;
}
buffer = close_tag(buffer, tagstack, 'A', &underlined, &italics, &changed_font);
if (underlined || italics || changed_font)
ccx_common_logging.fatal_ftn(CCX_COMMON_EXIT_BUG_BUG, "Not all tags closed in encoding, this is a bug, please report.\n");
*buffer = 0;
return (unsigned)(buffer - orig); // Return length
}
