92 lines
4.3 KiB
C
92 lines
4.3 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 "flv.h"
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#include "srt.h"
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#include "avc.h"
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#define LENGTH_SIZE 4
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int main (int argc, char** argv)
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{
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const char* path = argv[1];
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sei_t sei;
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flvtag_t tag;
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srt_t* srt = 0, *head = 0;
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int i, has_audio, has_video;
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caption_frame_t frame;
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flvtag_init (&tag);
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caption_frame_init (&frame);
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FILE* flv = flv_open_read (path);
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if (!flv_read_header (flv,&has_audio,&has_video)) {
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fprintf (stderr,"'%s' Not an flv file\n", path);
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} else {
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fprintf (stderr,"Reading from '%s'\n", path);
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}
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while (flv_read_tag (flv,&tag)) {
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if (flvtag_avcpackettype_nalu == flvtag_avcpackettype (&tag)) {
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ssize_t size = flvtag_payload_size (&tag);
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uint8_t* data = flvtag_payload_data (&tag);
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while (0<size) {
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ssize_t nalu_size = (data[0]<<24) | (data[1]<<16) | (data[2]<<8) | data[3];
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uint8_t* nalu_data = &data[4];
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uint8_t nalu_type = nalu_data[0]&0x1F;
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data += nalu_size + LENGTH_SIZE;
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size -= nalu_size + LENGTH_SIZE;
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if (6 == nalu_type) {
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sei_init (&sei);
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sei_parse_nalu (&sei, nalu_data, nalu_size, flvtag_dts (&tag), flvtag_cts (&tag));
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cea708_t cea708;
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sei_message_t* msg;
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cea708_init (&cea708);
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// for (msg = sei_message_head (&sei) ; msg ; msg = sei_message_next (msg)) {
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// if (sei_type_user_data_registered_itu_t_t35 == sei_message_type (msg)) {
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// cea708_parse (sei_message_data (msg), sei_message_size (msg), &cea708);
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// cea708_dump (&cea708);
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// }
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// }
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// sei_dump(&sei);
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sei_to_caption_frame (&sei,&frame);
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sei_free (&sei);
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// caption_frame_dump (&frame);
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srt = srt_from_caption_frame (&frame,srt,&head);
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}
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}
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}
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}
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srt_dump (head);
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srt_free (head);
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return 1;
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}
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