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/*
* OSD Picture in Picture plugin for the Video Disk Recorder
*
* Copyright (C) 2010 Mitchm at vdrportal.de
* Copyright (C) 2004 - 2008 Andreas Regel <andreas.regel@powarman.de>
* Copyright (C) 2004 Sascha Volkenandt <sascha@akv-soft.de>
*
* 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 "receiver.h"
#include "pes.h"
#include "setup.h"
#if VDRVERSNUM > 10703
#include "remux.h"
#endif
#include <vdr/channels.h>
#if VDRVERSNUM <= 10703
#include <vdr/remux.h>
#endif
#include <vdr/ringbuffer.h>
cOsdPipReceiver::cOsdPipReceiver(const cChannel *Channel,
cRingBufferFrame *ESBuffer):
#if (APIVERSNUM < 10500)
cReceiver(Channel->Ca(), 0, Channel->Vpid()),
#else
cReceiver(Channel->GetChannelID(), 0, Channel->Vpid()),
#endif
cThread("osdpip_receiver")
{
m_TSBuffer = new cRingBufferLinear(MEGABYTE(3), TS_SIZE * 2, true);
m_TSBuffer->SetTimeouts(0, 100);
m_ESBuffer = ESBuffer;
#if VDRVERSNUM > 10703
m_Remux = new cRemuxPIP(Channel->Vpid(), NULL, NULL, NULL, true);
#else
m_Remux = new cRemux(Channel->Vpid(), NULL, NULL, NULL, true);
#endif
m_Active = false;
}
cOsdPipReceiver::~cOsdPipReceiver()
{
Detach();
delete m_Remux;
delete m_TSBuffer;
}
void cOsdPipReceiver::Activate(bool On)
{
if (On)
Start();
else if (m_Active) {
m_Active = false;
Cancel(3);
}
}
void cOsdPipReceiver::Receive(uchar *Data, int Length)
{
int put = m_TSBuffer->Put(Data, Length);
if (put != Length)
m_TSBuffer->ReportOverflow(Length - put);
}
void cOsdPipReceiver::Action(void)
{
dsyslog("osdpip: receiver thread started (pid=%d)", getpid());
m_Active = true;
unsigned char NewPictureType = NO_PICTURE;
unsigned char CurPictureType = NO_PICTURE;
unsigned char VideoBuffer[200000];
int VideoBufferPos = 0;
while (m_Active) {
int r;
const uchar *b = m_TSBuffer->Get(r);
if (b) {
int Count = m_Remux->Put(b, r);
if (Count)
m_TSBuffer->Del(Count);
}
int Result;
uchar *p = m_Remux->Get(Result, &NewPictureType);
if (p) {
if (NewPictureType != NO_PICTURE) {
if ((OsdPipSetup.FrameMode == kFrameModeI && CurPictureType == I_FRAME) ||
(OsdPipSetup.FrameMode == kFrameModeIP && (CurPictureType == I_FRAME || CurPictureType == P_FRAME)) ||
(OsdPipSetup.FrameMode == kFrameModeIPB))
{
cFrame * frame = new cFrame(VideoBuffer, VideoBufferPos, ftVideo, CurPictureType);
if (!m_ESBuffer->Put(frame))
{
delete frame;
}
}
CurPictureType = NewPictureType;
VideoBufferPos = 0;
}
int pos = 0;
while (pos + 6 < Result)
{
cPESPacket Packet(p + pos, Result - pos);
if (pos + 6 + Packet.PacketLength() > Result)
break;
int PayloadLength = 0;
unsigned char * PayloadData = Packet.Payload(PayloadLength);
if ((Packet.StreamId() & 0xF0) == 0xE0) { // video packet
memcpy(&VideoBuffer[VideoBufferPos], PayloadData, PayloadLength);
VideoBufferPos += PayloadLength;
}
pos += Packet.PacketLength() + 6;
}
m_Remux->Del(pos);
}
}
dsyslog("osdpip: receiver thread ended (pid=%d)", getpid());
}
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