yolobs-studio/deps/libcaption/examples/ts2srt.c
2017-04-19 21:54:15 +02:00

101 lines
4.4 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 "ts.h"
#include "srt.h"
#include "avc.h"
#include <stdio.h>
int main (int argc, char** argv)
{
const char* path = argv[1];
ts_t ts;
sei_t sei;
avcnalu_t nalu;
srt_t* srt = 0, *head = 0;
caption_frame_t frame;
uint8_t pkt[TS_PACKET_SIZE];
ts_init (&ts);
avcnalu_init (&nalu);
caption_frame_init (&frame);
FILE* file = fopen (path,"rb+");
while (TS_PACKET_SIZE == fread (&pkt[0],1,TS_PACKET_SIZE, file)) {
switch (ts_parse_packet (&ts,&pkt[0])) {
case LIBCAPTION_OK:
// fprintf (stderr,"read ts packet\n");
break;
case LIBCAPTION_READY: {
// fprintf (stderr,"read ts packet DATA\n");
while (ts.size) {
// fprintf (stderr,"ts.size %d (%02X%02X%02X%02X)\n",ts.size, ts.data[0], ts.data[1], ts.data[2], ts.data[3]);
switch (avcnalu_parse_annexb (&nalu, &ts.data, &ts.size)) {
case LIBCAPTION_OK:
break;
case LIBCAPTION_ERROR:
// fprintf (stderr,"LIBCAPTION_ERROR == avcnalu_parse_annexb()\n");
avcnalu_init (&nalu);
break;
case LIBCAPTION_READY: {
if (6 == avcnalu_type (&nalu)) {
// fprintf (stderr,"NALU %d (%d)\n", avcnalu_type (&nalu), avcnalu_size (&nalu));
sei_init (&sei);
sei_parse_avcnalu (&sei, &nalu, ts_dts_seconds (&ts), ts_cts_seconds (&ts));
// sei_dump (&sei);
if (LIBCAPTION_READY == sei_to_caption_frame (&sei,&frame)) {
// caption_frame_dump (&frame);
srt = srt_from_caption_frame (&frame,srt,&head);
// srt_dump (srt);
}
sei_free (&sei);
}
avcnalu_init (&nalu);
} break;
}
}
} break;
case LIBCAPTION_ERROR:
// fprintf (stderr,"read ts packet ERROR\n");
break;
}
}
srt_dump (head);
srt_free (head);
return 1;
}