96 lines
3.9 KiB
C
96 lines
3.9 KiB
C
/**********************************************************************************************/
|
|
/* 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 <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include "srt.h"
|
|
#include "scc.h"
|
|
|
|
#define MAX_SCC_SIZE (10*1024*1024)
|
|
#define MAX_READ_SIZE 4096
|
|
#define MAX_CC 128
|
|
|
|
size_t read_file (FILE* file, utf8_char_t* data, size_t size)
|
|
{
|
|
size_t read, totl = 0;
|
|
|
|
while (0 < (read = fread (data,1,MAX_READ_SIZE<size?MAX_READ_SIZE:size,file))) {
|
|
totl += read; data += read; size -= read;
|
|
}
|
|
|
|
return totl;
|
|
}
|
|
|
|
srt_t* scc2srt (const char* data)
|
|
{
|
|
double pts;
|
|
size_t line_size = 0;
|
|
int cc_idx, count, i;
|
|
srt_t* srt = 0, *head = 0;
|
|
caption_frame_t frame;
|
|
uint16_t cc_data[MAX_CC];
|
|
|
|
while (0 < (line_size = utf8_line_length (data))) {
|
|
caption_frame_init (&frame);
|
|
int cc_count = scc_to_608 (data, &pts, (uint16_t*) &cc_data, MAX_CC);
|
|
data += line_size;
|
|
data += utf8_line_length (data); // skip empty line
|
|
|
|
// fprintf (stderr,"%f, %d| %.*s\n", pts, cc_count, (int) line_size,data);
|
|
|
|
for (cc_idx = 0 ; cc_idx < cc_count ; ++cc_idx) {
|
|
// eia608_dump (cc_data[cc_idx]);
|
|
caption_frame_decode (&frame,cc_data[cc_idx],pts);
|
|
}
|
|
|
|
// utf8_char_t buff[CAPTION_FRAME_DUMP_BUF_SIZE];
|
|
// size_t size = caption_frame_dump (&frame, buff);
|
|
// fprintf (stderr,"%s\n", buff);
|
|
srt = srt_from_caption_frame (&frame,srt,&head);
|
|
}
|
|
|
|
return head;
|
|
}
|
|
|
|
int main (int argc, char** argv)
|
|
{
|
|
char frame_buf[CAPTION_FRAME_DUMP_BUF_SIZE];
|
|
|
|
if (argc < 2) {
|
|
return 0;
|
|
}
|
|
|
|
FILE* file = fopen (argv[1],"r");
|
|
|
|
if (! file) {
|
|
return 0;
|
|
}
|
|
|
|
utf8_char_t* data = malloc (MAX_SCC_SIZE);
|
|
read_file (file,data,MAX_SCC_SIZE);
|
|
srt_t* srt = scc2srt (data);
|
|
srt_dump (srt);
|
|
srt_free (srt);
|
|
free (data);
|
|
}
|