97 lines
3.9 KiB
C
97 lines
3.9 KiB
C
/**********************************************************************************************/
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/* The MIT License */
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/* */
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/* Copyright 2016-2016 Twitch Interactive, Inc. or its affiliates. All Rights Reserved. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining a copy */
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/* of this software and associated documentation files (the "Software"), to deal */
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/* in the Software without restriction, including without limitation the rights */
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/* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell */
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/* copies of the Software, and to permit persons to whom the Software is */
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/* furnished to do so, subject to the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be included in */
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/* all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR */
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/* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, */
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/* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE */
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/* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER */
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/* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, */
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/* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN */
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/* THE SOFTWARE. */
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/**********************************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "srt.h"
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#include "scc.h"
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#define MAX_SCC_SIZE (10*1024*1024)
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#define MAX_READ_SIZE 4096
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#define MAX_CC 128
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size_t read_file (FILE* file, utf8_char_t* data, size_t size)
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{
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size_t read, totl = 0;
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while (0 < (read = fread (data,1,MAX_READ_SIZE<size?MAX_READ_SIZE:size,file))) {
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totl += read; data += read; size -= read;
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}
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return totl;
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}
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srt_t* scc2srt (const char* data)
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{
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double pts;
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size_t line_size = 0;
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int cc_idx, count, i;
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srt_t* srt = 0, *head = 0;
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caption_frame_t frame;
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uint16_t cc_data[MAX_CC];
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while (0 < (line_size = utf8_line_length (data))) {
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caption_frame_init (&frame);
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int cc_count = scc_to_608 (data, &pts, (uint16_t*) &cc_data, MAX_CC);
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data += line_size;
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data += utf8_line_length (data); // skip empty line
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// fprintf (stderr,"%f, %d| %.*s\n", pts, cc_count, (int) line_size,data);
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for (cc_idx = 0 ; cc_idx < cc_count ; ++cc_idx) {
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// eia608_dump (cc_data[cc_idx]);
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caption_frame_decode (&frame,cc_data[cc_idx],pts);
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}
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// utf8_char_t buff[CAPTION_FRAME_DUMP_BUF_SIZE];
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// size_t size = caption_frame_dump (&frame, buff);
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// fprintf (stderr,"%s\n", buff);
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srt = srt_from_caption_frame (&frame,srt,&head);
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}
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return head;
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}
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int main (int argc, char** argv)
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{
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char frame_buf[CAPTION_FRAME_DUMP_BUF_SIZE];
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if (argc < 2) {
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return 0;
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}
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FILE* file = fopen (argv[1],"r");
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if (! file) {
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return 0;
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}
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utf8_char_t* data = malloc (MAX_SCC_SIZE);
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read_file (file,data,MAX_SCC_SIZE);
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srt_t* srt = scc2srt (data);
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srt_dump (srt);
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srt_free (srt);
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free (data);
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}
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