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Diffstat (limited to 'ttxtsubsrecorder.c')
| -rw-r--r-- | ttxtsubsrecorder.c | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/ttxtsubsrecorder.c b/ttxtsubsrecorder.c deleted file mode 100644 index 7dcc8e9..0000000 --- a/ttxtsubsrecorder.c +++ /dev/null @@ -1,200 +0,0 @@ -/* - * vdr-ttxtsubs - A plugin for the Linux Video Disk Recorder - * Copyright (c) 2003 - 2008 Ragnar Sundblad <ragge@nada.kth.se> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more - * details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - */ - -#include <stdint.h> -#include <stdlib.h> - -#include <vdr/vdrttxtsubshooks.h> -#include <vdr/device.h> -#include <vdr/channels.h> -#include <vdr/receiver.h> -#include <vdr/ringbuffer.h> - -#include "siinfo.h" -#include "ttxtsubsfilter.h" -#include "ttxtsubsrecorder.h" -#include "ttxtsubsreceiver.h" -#include "teletext.h" - -#define MAXPACKETSIZE 20000 - -// ----- cTtxtSubsRecorder ----- - -cTtxtSubsRecorder::cTtxtSubsRecorder(cDevice *dev, const cChannel *ch) - : - mDev(dev), - mSid(ch->Sid()), - mVid(ch->Vpid()), - mTtxtinfo(NULL), - mReceiver(NULL), - mPacketBuffer(NULL) -{ - mTtxtinfo = (struct ttxtinfo *) malloc(sizeof(*mTtxtinfo)); - struct ttxtpidinfo *pi = NULL; - int pid, page; - char lang[4] = ""; - - if(GetTtxtInfo(dev->CardIndex(), ch, mTtxtinfo)) { - esyslog("ttxtsubs: cTtxtSubsRecorder::cTtxtSubsRecorder: GetTtxtSubtitleInfo error!"); - } else { - pi = FindSubs(mTtxtinfo, &pid, &page, lang); - - if(!pi && mTtxtinfo->pidcount > 0) { - pi = &(mTtxtinfo->p[0]); - isyslog("ttxtsubs: Selected language not found, just recording first teletext pid found."); - } - - if(pi) { - mReceiver = new cTtxtSubsReceiver(ch->GetChannelID(), ch->Ca(), pi); - mPacketBuffer = (uint8_t *) malloc(MAXPACKETSIZE); - } else { - isyslog("ttxtsubs: No teletext pid found, not recording any (obviously)."); - } - } -} - -cTtxtSubsRecorder::~cTtxtSubsRecorder(void) -{ - if(mReceiver) { - cTtxtSubsReceiver *tmp = mReceiver; - mReceiver = NULL; - delete tmp; - } - - if(mTtxtinfo) { - FreeTtxtInfoData(mTtxtinfo); - free(mTtxtinfo); - } - - if(mPacketBuffer) - free(mPacketBuffer); -} - -uint8_t *cTtxtSubsRecorder::GetPacket(uint8_t **outbuf, size_t *lenp) -{ - int done = 0; - size_t len; - uint8_t *b = (uint8_t *) mPacketBuffer; - uint8_t line[46]; - encodedPTS pts; - - *outbuf = NULL; - - if(!mReceiver) - return *outbuf; - - len = 46; // skip PES header area - - if(mReceiver->Get(line, &pts)) { - // if first line is a Y0, insert an index page - // XXX This isn't really correct, we don't know if there is parallel magazine - // transmission and a page in the index pages' mag is in progress... - - int mp; - //int mag; // X in ETSI EN 300 706 - int packet; // Y - - struct ttxt_data_field *d = (struct ttxt_data_field *) line; - - mp = UNHAM_INV(d->mag_addr_ham[0], d->mag_addr_ham[1]); - //mag = mp & 0x7; - packet = (mp >> 3) & 0x1f; - - if(packet == 0) { - char **iplines; - int iplcount; - mReceiver->IndexPage(&iplines, &iplcount); - for(int i = 0; i < iplcount; i++) { - memcpy(b + len, (char *) iplines[i], 46); - len += 46; - } - } - - // insert the line - memcpy(b + len, line, 46); - len += 46; - } - - // get the rest of the lines - while((len < (MAXPACKETSIZE - 184)) && !done) { - if(mReceiver->Get(b + len)) { - len += 46; - } else - done = 1; - } - - if(len > 46) { // we have data, make a PES packet according to ETSI EN 300 472 - // fill out packet with stuffing data to 184 byte boundary - size_t stufflen = 184 - (len % 184); - if(stufflen == 184) - stufflen = 0; - memset((char *) b + len, 0xff, stufflen); - - len += stufflen; - - // fill in header - uint8_t header[] = {0x00, 0x00, 0x01, 0xbd, // private data stream 1 - 0x00, 0x00, // len - 0x80, // 10 and flags - 0x00, // PTS_DTS_flags and other flags - 0x24, // PES_header_data_length - 0xff, 0xff, 0xff, 0xff, 0xff}; // PTS - - memcpy((char *) b, (char *) header, sizeof(header)); - b[4] = (len-6) >> 8; - b[5] = (len-6) & 0xff; -#define TEST_RECORD_PTS 1 -#if TEST_RECORD_PTS - if(pts.valid) { - b[7] |= 0x80; - b[9] = pts.data[0]; - b[10] = pts.data[1]; - b[11] = pts.data[2]; - b[12] = pts.data[3]; - b[13] = pts.data[4]; - } -#endif - memset((char *) b + sizeof(header), 0xff, 45 - sizeof(header)); // add stuffing bytes - b[45] = 0x1f; // EBU data, our payload type to indicate we have filtered data - - *outbuf = b; - *lenp = len; - } - -#if 0 - if(*outbuf) { // XXX - dprint("cTtxtSubsRecorder::GetPacket: len: %d\n", len); - for(size_t i = 46; i < len; i +=46) { - struct ttxt_data_field *d = (struct ttxt_data_field *) b + i; - if(d->data_unit_id != 0xff) - print_line((char *) b + i); - } - } -#endif - - return *outbuf; -} - -void cTtxtSubsRecorder::DeviceAttach(void) -{ - if(mReceiver) - mDev->AttachReceiver(mReceiver); -} - |