Download-Tools/ccextractor
1
0
Fork 0
mirror of https://github.com/CCExtractor/ccextractor.git synced 2024-12-25 12:23:59 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

remove cursor reset

Browse Source
This commit is contained in:
Ruslan Kuchumov 2014-05-30 16:45:21 +00:00
parent 3c8db9b231
commit af5122bf8e
2 changed files with 10 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
src/608.c
View File

@ -177,7 +177,7 @@ void init_context_cc608(struct s_context_cc608 *data, int field)
data->bytes_processed_608 = 0;
data->my_field = field;
data->out = NULL;
data->is_pac_received = 0;
}
struct eia608_screen *get_writing_buffer(struct s_context_cc608 *context)
@ -816,25 +816,14 @@ void handle_command(/*const */ unsigned char c1, const unsigned char c2, struct
}
erase_memory(context, false);
// Cursor position only reset if not already in rollup.
// If no Preamble Address Code is received, the base row shall default to
// Row 15 or, ifa roll-up caption is currently displayed, to the same
//base row last received, and the cursor shall be placed at Column 1.
//" This rule is meant to be applied only when no roll-up caption is
// currently displayed,
if (context->mode == MODE_FAKE_ROLLUP_1 ||
context->mode == MODE_ROLLUP_2 ||
context->mode == MODE_ROLLUP_3 ||
context->mode == MODE_ROLLUP_4)
{
context->cursor_row = context->rollup_base_row;
context->cursor_column = 0;
}
// If the reception of data for a row is interrupted by data for the alternate
// data channel or for text mode, the display of caption text will resume from the same
// cursor position if a roll-up caption command is received and no PAC is given [...]
else if (context->mode != MODE_TEXT)
if (context->mode != MODE_TEXT && context->is_pac_received == 0)
{
// If no Preamble Address Code is received, the base row shall default to
// Row 15 or, ifa roll-up caption is currently displayed, to the same
//base row last received, and the cursor shall be placed at Column 1.
context->cursor_row = 14; // Default if the previous mode wasn't roll up already.
context->cursor_column = 0;
}
@ -900,7 +889,8 @@ void handle_command(/*const */ unsigned char c1, const unsigned char c2, struct
// time it became clear.
if (ccx_options.write_format==CCX_OF_TRANSCRIPT &&
(context->mode == MODE_FAKE_ROLLUP_1 ||
context->mode == MODE_ROLLUP_2 || context->mode == MODE_ROLLUP_3 ||
context->mode == MODE_ROLLUP_2 ||
context->mode == MODE_ROLLUP_3 ||
context->mode == MODE_ROLLUP_4))
{
// In transcript mode we just write the cursor line. The previous lines
@ -1059,6 +1049,7 @@ void handle_pac(unsigned char c1, unsigned char c2, struct s_context_cc608 *cont
}
context->rollup_base_row = row - 1;
context->cursor_column = indent;
context->is_pac_received = 1;
if (context->mode == MODE_FAKE_ROLLUP_1 || context->mode == MODE_ROLLUP_2 ||
context->mode == MODE_ROLLUP_3 || context->mode == MODE_ROLLUP_4)
{
@ -1209,6 +1200,7 @@ void process608(const unsigned char *data, int length, struct s_context_cc608 *c
{
unsigned char hi, lo;
int wrote_to_screen=0;
hi = data[i] & 0x7F; // Get rid of parity bit
lo = data[i+1] & 0x7F; // Get rid of parity bit

1
src/608.h
View File

@ -43,6 +43,7 @@ struct s_context_cc608
int my_field; // Used for sanity checks
long bytes_processed_608; // To be written ONLY by process_608
struct ccx_s_write *out;
int is_pac_received;
};
#ifdef __cplusplus