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Code Issues Releases Wiki Activity

- added namespace to remuxers

Browse Source 
- increased WRITERBUFSIZE - buffer was too small for high bandwidth content
- removed cStreamdevStreamer::m_Running
- eliminated potential busy waits in remuxers
- updated cTSRemux static helpers to code of their VDR 1.6.0 counterparts
- use a copy of VDR 1.6.0's cRemux for TS to PES remuxing.
- make sure that only complete TS packets are written to ringbuffers
- use signaling instead of sleeps when writing to ringbuffers
- optimized cStreamdevPatFilter PAT packet initialization
- fixed cStreamdevPatFilter not processing PATs with length > TS_SIZE - 5
- use a small ringbuffer for cStreamdevPatFilter instead of writing to
  cStreamdevStreamers SendBuffer as two threads mustn't write to the same
  ringbuffer
Modified Files:
 Tag: v0_4
	CONTRIBUTORS HISTORY Makefile streamdev-server.c
	libdvbmpeg/transform.h remux/extern.c remux/extern.h
	remux/ts2es.c remux/ts2es.h remux/ts2ps.c remux/ts2ps.h
	remux/tsremux.c remux/tsremux.h server/livestreamer.c
	server/livestreamer.h server/streamer.c server/streamer.h
Added Files:
 Tag: v0_4
	remux/ts2pes.c remux/ts2pes.h
This commit is contained in:
schmirl
2009-06-29 06:25:27 +00:00
parent cacd4b73d5
commit 412c6982b6
19 changed files with 2313 additions and 128 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
CONTRIBUTORS
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@@ -1,6 +1,10 @@
Special thanks go to the following persons (if you think your name is missing
here, please send an email to vdrdev@schmirler.de):
Klaus Schmidinger
for VDR as a whole
for permission to use VDR 1.6.0 cRemux code for PES remuxing
Sascha Volkenandt, the original author,
for this great plugin
@@ -72,6 +76,7 @@ alexw
Olli Lammi
for fixing a busy wait when client isn't accepting data fast enough
for suggesting signaling instead of sleeping when writing to buffers
Joerg Pulz
for his FreeBSD compatibility patch

13
HISTORY
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@@ -1,6 +1,19 @@
VDR Plugin 'streamdev' Revision History
---------------------------------------
- added namespace to remuxers
- increased WRITERBUFSIZE - buffer was too small for high bandwidth content
- removed cStreamdevStreamer::m_Running
- eliminated potential busy waits in remuxers
- updated cTSRemux static helpers to code of their VDR 1.6.0 counterparts
- use a copy of VDR 1.6.0's cRemux for TS to PES remuxing.
- make sure that only complete TS packets are written to ringbuffers
- use signaling instead of sleeps when writing to ringbuffers
- optimized cStreamdevPatFilter PAT packet initialization
- fixed cStreamdevPatFilter not processing PATs with length > TS_SIZE - 5
- use a small ringbuffer for cStreamdevPatFilter instead of writing to
cStreamdevStreamers SendBuffer as two threads mustn't write to the same
ringbuffer
- added IGMP based multicast streaming
- ignore trailing blank lines in HTTP requests
- fixed parsing Min/MaxPriority from config (thanks to Joachim K<>nig-Baltes)

4
Makefile
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@@ -1,7 +1,7 @@
#
# Makefile for a Video Disk Recorder plugin
#
# $Id: Makefile,v 1.15.2.1 2009/02/13 10:39:40 schmirl Exp $
# $Id: Makefile,v 1.15.2.2 2009/06/29 06:25:27 schmirl Exp $
# The official name of this plugin.
# This name will be used in the '-P...' option of VDR to load the plugin.
@@ -62,7 +62,7 @@ SERVEROBJS = $(PLUGIN)-server.o \
server/connectionVTP.o server/connectionHTTP.o server/connectionIGMP.o \
server/streamer.o server/livestreamer.o server/livefilter.o \
server/suspend.o server/setup.o server/menuHTTP.o \
remux/tsremux.o remux/ts2ps.o remux/ts2es.o remux/extern.o
remux/tsremux.o remux/ts2pes.o remux/ts2ps.o remux/ts2es.o remux/extern.o
ifdef DEBUG
DEFINES += -DDEBUG

2
libdvbmpeg/transform.h
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@@ -106,7 +106,7 @@
#define MAX_PLENGTH 0xFFFF
#define MMAX_PLENGTH (8*MAX_PLENGTH)
#define MMAX_PLENGTH (64*MAX_PLENGTH)
#ifdef __cplusplus
extern "C" {

5
remux/extern.c
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@@ -7,6 +7,8 @@
#include <signal.h>
#include <unistd.h>
namespace Streamdev {
class cTSExt: public cThread {
private:
cRingBufferLinear *m_ResultBuffer;
@@ -24,6 +26,9 @@ public:
void Put(const uchar *Data, int Count);
};
} // namespace Streamdev
using namespace Streamdev;
cTSExt::cTSExt(cRingBufferLinear *ResultBuffer, std::string Parameter):
m_ResultBuffer(ResultBuffer),
m_Active(false),

4
remux/extern.h
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@@ -5,6 +5,8 @@
#include <vdr/ringbuffer.h>
#include <string>
namespace Streamdev {
class cTSExt;
class cExternRemux: public cTSRemux {
@@ -21,4 +23,6 @@ public:
void Del(int Count) { m_ResultBuffer->Del(Count); }
};
} // namespace Streamdev
#endif // VDR_STREAMDEV_EXTERNREMUX_H

14
remux/ts2es.c
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@@ -1,12 +1,13 @@
#include "remux/ts2es.h"
#include "server/streamer.h"
#include "libdvbmpeg/transform.h"
#include "common.h"
#include <vdr/device.h>
// from VDR's remux.c
#define MAXNONUSEFULDATA (10*1024*1024)
namespace Streamdev {
class cTS2ES: public ipack {
friend void PutES(uint8_t *Buffer, int Size, void *Data);
@@ -32,6 +33,9 @@ void PutES(uint8_t *Buffer, int Size, void *Data)
This->start = 1;
}
} // namespace Streamdev
using namespace Streamdev;
cTS2ES::cTS2ES(cRingBufferLinear *ResultBuffer)
{
m_ResultBuffer = ResultBuffer;
@@ -75,10 +79,10 @@ void cTS2ES::PutTSPacket(const uint8_t *Buffer) {
cTS2ESRemux::cTS2ESRemux(int Pid):
m_Pid(Pid),
m_ResultBuffer(new cRingBufferLinear(WRITERBUFSIZE, IPACKS)),
m_ResultBuffer(new cStreamdevBuffer(WRITERBUFSIZE, IPACKS)),
m_Remux(new cTS2ES(m_ResultBuffer))
{
m_ResultBuffer->SetTimeouts(0, 100);
m_ResultBuffer->SetTimeouts(100, 100);
}
cTS2ESRemux::~cTS2ESRemux()
@@ -111,8 +115,10 @@ int cTS2ESRemux::Put(const uchar *Data, int Count)
break;
if (Data[i] != TS_SYNC_BYTE)
break;
if (m_ResultBuffer->Free() < 2 * IPACKS)
if (m_ResultBuffer->Free() < 2 * IPACKS) {
m_ResultBuffer->WaitForPut();
break; // A cTS2ES might write one full packet and also a small rest
}
int pid = cTSRemux::GetPid(Data + i + 1);
if (Data[i + 3] & 0x10) { // got payload
if (m_Pid == pid)

9
remux/ts2es.h
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@@ -2,15 +2,16 @@
#define VDR_STREAMDEV_TS2ESREMUX_H
#include "remux/tsremux.h"
#include <vdr/ringbuffer.h>
#include "server/streamer.h"
namespace Streamdev {
class cTS2ES;
class cRingBufferLinear;
class cTS2ESRemux: public cTSRemux {
private:
int m_Pid;
cRingBufferLinear *m_ResultBuffer;
cStreamdevBuffer *m_ResultBuffer;
cTS2ES *m_Remux;
public:
@@ -22,4 +23,6 @@ public:
void Del(int Count) { m_ResultBuffer->Del(Count); }
};
} // namespace Streamdev
#endif // VDR_STREAMDEV_TS2ESREMUX_H

2011
remux/ts2pes.c Normal file
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File diff suppressed because it is too large Load Diff

58
remux/ts2pes.h Normal file
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@@ -0,0 +1,58 @@
/*
* ts2pes.h: A streaming MPEG2 remultiplexer
*
* This file is based on a copy of remux.h from Klaus Schmidinger's
* VDR, version 1.6.0.
*
* $Id: ts2pes.h,v 1.2.2.2 2009/06/29 06:25:28 schmirl Exp $
*/
#ifndef VDR_STREAMDEV_TS2PES_H
#define VDR_STREAMDEV_TS2PES_H
#include "remux/tsremux.h"
#include "server/streamer.h"
#define MAXTRACKS 64
namespace Streamdev {
class cTS2PES;
class cTS2PESRemux: public cTSRemux {
private:
bool noVideo;
bool synced;
int skipped;
cTS2PES *ts2pes[MAXTRACKS];
int numTracks;
cStreamdevBuffer *resultBuffer;
int resultSkipped;
public:
cTS2PESRemux(int VPid, const int *APids, const int *DPids, const int *SPids);
///< Creates a new remuxer for the given PIDs. VPid is the video PID, while
///< APids, DPids and SPids are pointers to zero terminated lists of audio,
///< dolby and subtitle PIDs (the pointers may be NULL if there is no such
///< PID).
~cTS2PESRemux();
int Put(const uchar *Data, int Count);
///< Puts at most Count bytes of Data into the remuxer.
///< \return Returns the number of bytes actually consumed from Data.
uchar *Get(int &Count, uchar *PictureType = NULL);
///< Gets all currently available data from the remuxer.
///< \return Count contains the number of bytes the result points to, and
///< PictureType (if not NULL) will contain one of NO_PICTURE, I_FRAME, P_FRAME
///< or B_FRAME.
void Del(int Count);
///< Deletes Count bytes from the remuxer. Count must be the number returned
///< from a previous call to Get(). Several calls to Del() with fractions of
///< a previously returned Count may be made, but the total sum of all Count
///< values must be exactly what the previous Get() has returned.
void Clear(void);
///< Clears the remuxer of all data it might still contain, keeping the PID
///< settings as they are.
};
} // namespace Streamdev
#endif // VDR_STREAMDEV_TS2PES_H

13
remux/ts2ps.c
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@@ -3,6 +3,8 @@
#include <vdr/channels.h>
#include <vdr/device.h>
namespace Streamdev {
class cTS2PS {
friend void PutPES(uint8_t *Buffer, int Size, void *Data);
@@ -28,6 +30,9 @@ void PutPES(uint8_t *Buffer, int Size, void *Data)
esyslog("ERROR: result buffer overflow, dropped %d out of %d byte", Size - n, Size);
}
} // namespace Streamdev
using namespace Streamdev;
cTS2PS::cTS2PS(cRingBufferLinear *ResultBuffer, int Pid, uint8_t AudioCid)
{
m_ResultBuffer = ResultBuffer;
@@ -74,13 +79,13 @@ void cTS2PS::PutTSPacket(const uint8_t *Buffer)
cTS2PSRemux::cTS2PSRemux(int VPid, const int *APids, const int *DPids, const int *SPids):
m_NumTracks(0),
m_ResultBuffer(new cRingBufferLinear(WRITERBUFSIZE, IPACKS)),
m_ResultBuffer(new cStreamdevBuffer(WRITERBUFSIZE, IPACKS)),
m_ResultSkipped(0),
m_Skipped(0),
m_Synced(false),
m_IsRadio(VPid == 0 || VPid == 1 || VPid == 0x1FFF)
{
m_ResultBuffer->SetTimeouts(0, 100);
m_ResultBuffer->SetTimeouts(100, 100);
if (VPid)
m_Remux[m_NumTracks++] = new cTS2PS(m_ResultBuffer, VPid);
@@ -124,8 +129,10 @@ int cTS2PSRemux::Put(const uchar *Data, int Count)
break;
if (Data[i] != TS_SYNC_BYTE)
break;
if (m_ResultBuffer->Free() < 2 * IPACKS)
if (m_ResultBuffer->Free() < 2 * IPACKS) {
m_ResultBuffer->WaitForPut();
break; // A cTS2PS might write one full packet and also a small rest
}
int pid = GetPid(Data + i + 1);
if (Data[i + 3] & 0x10) { // got payload
for (int t = 0; t < m_NumTracks; t++) {

9
remux/ts2ps.h
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@@ -2,8 +2,9 @@
#define VDR_STREAMDEV_TS2PESREMUX_H
#include "remux/tsremux.h"
#include <vdr/remux.h>
#include <vdr/ringbuffer.h>
#include "server/streamer.h"
namespace Streamdev {
class cTS2PS;
@@ -11,7 +12,7 @@ class cTS2PSRemux: public cTSRemux {
private:
int m_NumTracks;
cTS2PS *m_Remux[MAXTRACKS];
cRingBufferLinear *m_ResultBuffer;
cStreamdevBuffer *m_ResultBuffer;
int m_ResultSkipped;
int m_Skipped;
bool m_Synced;
@@ -26,4 +27,6 @@ public:
void Del(int Count) { m_ResultBuffer->Del(Count); }
};
} // namespace Streamdev
#endif // VDR_STREAMDEV_TS2PESREMUX_H

52
remux/tsremux.c
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@@ -2,10 +2,15 @@
#define SC_PICTURE 0x00 // "picture header"
#define VIDEO_STREAM_S 0xE0
using namespace Streamdev;
void cTSRemux::SetBrokenLink(uchar *Data, int Length)
{
if (Length > 9 && Data[0] == 0 && Data[1] == 0 && Data[2] == 1 && (Data[3] & 0xF0) == VIDEO_STREAM_S) {
for (int i = Data[8] + 9; i < Length - 7; i++) { // +9 to skip video packet header
int PesPayloadOffset = 0;
if (AnalyzePesHeader(Data, Length, PesPayloadOffset) >= phMPEG1 && (Data[3] & 0xF0) == VIDEO_STREAM_S) {
for (int i = PesPayloadOffset; i < Length - 7; i++) {
if (Data[i] == 0 && Data[i + 1] == 0 && Data[i + 2] == 1 && Data[i + 3] == 0xB8) {
if (!(Data[i + 7] & 0x40)) // set flag only if GOP is not closed
Data[i + 7] |= 0x20;
@@ -39,17 +44,40 @@ int cTSRemux::ScanVideoPacket(const uchar *Data, int Count, int Offset, uchar &P
// If the return value is -1 the packet was not completely in the buffer.
int Length = GetPacketLength(Data, Count, Offset);
if (Length > 0) {
if (Length >= 8) {
int i = Offset + 8; // the minimum length of the video packet header
i += Data[i] + 1; // possible additional header bytes
for (; i < Offset + Length - 5; i++) {
if (Data[i] == 0 && Data[i + 1] == 0 && Data[i + 2] == 1) {
switch (Data[i + 3]) {
case SC_PICTURE: PictureType = (Data[i + 5] >> 3) & 0x07;
return Length;
int PesPayloadOffset = 0;
if (AnalyzePesHeader(Data + Offset, Length, PesPayloadOffset) >= phMPEG1) {
const uchar *p = Data + Offset + PesPayloadOffset + 2;
const uchar *pLimit = Data + Offset + Length - 3;
#ifdef TEST_cVideoRepacker
// cVideoRepacker ensures that a new PES packet is started for a new sequence,
// group or picture which allows us to easily skip scanning through a huge
// amount of video data.
if (p < pLimit) {
if (p[-2] || p[-1] || p[0] != 0x01)
pLimit = 0; // skip scanning: packet doesn't start with 0x000001
else {
switch (p[1]) {
case SC_SEQUENCE:
case SC_GROUP:
case SC_PICTURE:
break;
default: // skip scanning: packet doesn't start a new sequence, group or picture
pLimit = 0;
}
}
}
#endif
while (p < pLimit && (p = (const uchar *)memchr(p, 0x01, pLimit - p))) {
if (!p[-2] && !p[-1]) { // found 0x000001
switch (p[1]) {
case SC_PICTURE: PictureType = (p[3] >> 3) & 0x07;
return Length;
}
p += 4; // continue scanning after 0x01ssxxyy
}
}
}
else
p += 3; // continue scanning after 0x01xxyy
}
}
PictureType = NO_PICTURE;
return Length;

28
remux/tsremux.h
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@@ -4,30 +4,22 @@
#include "libdvbmpeg/transform.h"
#include <vdr/remux.h>
#define RESULTBUFFERSIZE KILOBYTE(256)
// Picture types:
#define NO_PICTURE 0
#define I_FRAME 1
#define P_FRAME 2
#define B_FRAME 3
namespace Streamdev {
class cTSRemux {
protected:
/*uchar m_ResultBuffer[RESULTBUFFERSIZE];
int m_ResultCount;
int m_ResultDelivered;
int m_Synced;
int m_Skipped;
int m_Sync;
virtual void PutTSPacket(int Pid, const uint8_t *Data) = 0;
public:
cTSRemux(bool Sync = true);
virtual ~cTSRemux();
virtual uchar *Process(const uchar *Data, int &Count, int &Result);*/
static void SetBrokenLink(uchar *Data, int Length);
static int GetPid(const uchar *Data);
static int GetPacketLength(const uchar *Data, int Count, int Offset);
static int GetPacketLength(const uchar *Data, int Count, int Offset);
static int ScanVideoPacket(const uchar *Data, int Count, int Offset, uchar &PictureType);
};
} // namespace Streamdev
#endif // VDR_STREAMDEV_TSREMUX_H

128
server/livestreamer.c
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@@ -8,11 +8,12 @@
#include "server/livestreamer.h"
#include "server/livefilter.h"
#include "remux/ts2ps.h"
#include "remux/ts2pes.h"
#include "remux/ts2es.h"
#include "remux/extern.h"
#include "common.h"
#define TSPATREPACKER
using namespace Streamdev;
// --- cStreamdevLiveReceiver -------------------------------------------------
@@ -73,6 +74,8 @@ private:
int pmtPid;
int pmtSid;
int pmtVersion;
uchar tspat_buf[TS_SIZE];
cStreamdevBuffer siBuffer;
const cChannel *m_Channel;
cStreamdevLiveStreamer *m_Streamer;
@@ -82,9 +85,11 @@ private:
int GetPid(SI::PMT::Stream& stream);
public:
cStreamdevPatFilter(cStreamdevLiveStreamer *Streamer, const cChannel *Channel);
uchar* Get(int &Count) { return siBuffer.Get(Count); }
void Del(int Count) { return siBuffer.Del(Count); }
};
cStreamdevPatFilter::cStreamdevPatFilter(cStreamdevLiveStreamer *Streamer, const cChannel *Channel)
cStreamdevPatFilter::cStreamdevPatFilter(cStreamdevLiveStreamer *Streamer, const cChannel *Channel): siBuffer(10 * TS_SIZE, TS_SIZE)
{
Dprintf("cStreamdevPatFilter(\"%s\")\n", Channel->Name());
assert(Streamer);
@@ -94,6 +99,29 @@ cStreamdevPatFilter::cStreamdevPatFilter(cStreamdevLiveStreamer *Streamer, const
pmtSid = 0;
pmtVersion = -1;
Set(0x00, 0x00); // PAT
// initialize PAT buffer. Only some values are dynamic (see comments)
memset(tspat_buf, 0xff, TS_SIZE);
tspat_buf[0] = TS_SYNC_BYTE; // Transport packet header sunchronization byte (1000011 = 0x47h)
tspat_buf[1] = 0x40; // Set payload unit start indicator bit
tspat_buf[2] = 0x0; // PID
tspat_buf[3] = 0x10; // Set payload flag, DYNAMIC: Continuity counter
tspat_buf[4] = 0x0; // SI pointer field
tspat_buf[5] = 0x0; // PAT table id
tspat_buf[6] = 0xb0; // Section syntax indicator bit and reserved bits set
tspat_buf[7] = 12 + 1; // Section length (12 bit): PAT_TABLE_LEN + 1
tspat_buf[8] = 0; // DYNAMIC: Transport stream ID (bits 8-15)
tspat_buf[9] = 0; // DYNAMIC: Transport stream ID (bits 0-7)
tspat_buf[10] = 0xc0; // Reserved, DYNAMIC: Version number, DYNAMIC: Current next indicator
tspat_buf[11] = 0x0; // Section number
tspat_buf[12] = 0x0; // Last section number
tspat_buf[13] = 0; // DYNAMIC: Program number (bits 8-15)
tspat_buf[14] = 0; // DYNAMIC: Program number (bits 0-7)
tspat_buf[15] = 0xe0; // Reserved, DYNAMIC: Network ID (bits 8-12)
tspat_buf[16] = 0; // DYNAMIC: Network ID (bits 0-7)
tspat_buf[17] = 0; // DYNAMIC: Checksum
tspat_buf[18] = 0; // DYNAMIC: Checksum
tspat_buf[19] = 0; // DYNAMIC: Checksum
tspat_buf[20] = 0; // DYNAMIC: Checksum
}
static const char * const psStreamTypes[] = {
@@ -233,54 +261,37 @@ void cStreamdevPatFilter::Process(u_short Pid, u_char Tid, const u_char *Data, i
if (0 != (pmtPid = assoc.getPid())) {
Dprintf("cStreamdevPatFilter: PMT pid for channel %s: %d\n", Channel->Name(), pmtPid);
pmtSid = assoc.getServiceId();
if (Length < TS_SIZE-5) {
// repack PAT to TS frame and send to client
#ifndef TSPATREPACKER
uint8_t pat_ts[TS_SIZE] = {TS_SYNC_BYTE, 0x40 /* pusi=1 */, 0 /* pid=0 */, 0x10 /* adaption=1 */, 0 /* pointer */};
memcpy(pat_ts + 5, Data, Length);
m_Streamer->Put(pat_ts, TS_SIZE);
#else
int ts_id;
unsigned int crc, i, len;
uint8_t *tmp, tspat_buf[TS_SIZE];
static uint8_t ccounter = 0;
ccounter = (ccounter + 1) % 16;
memset(tspat_buf, 0xff, TS_SIZE);
ts_id = Channel->Tid(); // Get transport stream id of the channel
tspat_buf[0] = TS_SYNC_BYTE; // Transport packet header sunchronization byte (1000011 = 0x47h)
tspat_buf[1] = 0x40; // Set payload unit start indicator bit
tspat_buf[2] = 0x0; // PID
tspat_buf[3] = 0x10 | ccounter; // Set payload flag, Continuity counter
tspat_buf[4] = 0x0; // SI pointer field
tspat_buf[5] = 0x0; // PAT table id
tspat_buf[6] = 0xb0; // Section syntax indicator bit and reserved bits set
tspat_buf[7] = 12 + 1; // Section length (12 bit): PAT_TABLE_LEN + 1
tspat_buf[8] = (ts_id >> 8); // Transport stream ID (bits 8-15)
tspat_buf[9] = (ts_id & 0xff); // Transport stream ID (bits 0-7)
tspat_buf[10] = 0xc0 | ((pat.getVersionNumber() << 1) & 0x3e) |
pat.getCurrentNextIndicator();// Version number, Current next indicator
tspat_buf[11] = 0x0; // Section number
tspat_buf[12] = 0x0; // Last section number
tspat_buf[13] = (pmtSid >> 8); // Program number (bits 8-15)
tspat_buf[14] = (pmtSid & 0xff); // Program number (bits 0-7)
tspat_buf[15] = 0xe0 | (pmtPid >> 8); // Network ID (bits 8-12)
tspat_buf[16] = (pmtPid & 0xff); // Network ID (bits 0-7)
crc = 0xffffffff;
len = 12; // PAT_TABLE_LEN
tmp = &tspat_buf[4 + 1]; // TS_HDR_LEN + 1
while (len--) {
crc ^= *tmp++ << 24;
for (i = 0; i < 8; i++)
crc = (crc << 1) ^ ((crc & 0x80000000) ? 0x04c11db7 : 0); // CRC32POLY
}
tspat_buf[17] = crc >> 24 & 0xff; // Checksum
tspat_buf[18] = crc >> 16 & 0xff; // Checksum
tspat_buf[19] = crc >> 8 & 0xff; // Checksum
tspat_buf[20] = crc & 0xff; // Checksum
m_Streamer->Put(tspat_buf, TS_SIZE);
#endif
} else
isyslog("cStreamdevPatFilter: PAT size %d too large to fit in one TS", Length);
// repack PAT to TS frame and send to client
int ts_id;
unsigned int crc, i, len;
uint8_t *tmp;
static uint8_t ccounter = 0;
ccounter = (ccounter + 1) % 16;
ts_id = Channel->Tid(); // Get transport stream id of the channel
tspat_buf[3] = 0x10 | ccounter; // Set payload flag, Continuity counter
tspat_buf[8] = (ts_id >> 8); // Transport stream ID (bits 8-15)
tspat_buf[9] = (ts_id & 0xff); // Transport stream ID (bits 0-7)
tspat_buf[10] = 0xc0 | ((pat.getVersionNumber() << 1) & 0x3e) |
pat.getCurrentNextIndicator();// Version number, Current next indicator
tspat_buf[13] = (pmtSid >> 8); // Program number (bits 8-15)
tspat_buf[14] = (pmtSid & 0xff); // Program number (bits 0-7)
tspat_buf[15] = 0xe0 | (pmtPid >> 8); // Network ID (bits 8-12)
tspat_buf[16] = (pmtPid & 0xff); // Network ID (bits 0-7)
crc = 0xffffffff;
len = 12; // PAT_TABLE_LEN
tmp = &tspat_buf[4 + 1]; // TS_HDR_LEN + 1
while (len--) {
crc ^= *tmp++ << 24;
for (i = 0; i < 8; i++)
crc = (crc << 1) ^ ((crc & 0x80000000) ? 0x04c11db7 : 0); // CRC32POLY
}
tspat_buf[17] = crc >> 24 & 0xff; // Checksum
tspat_buf[18] = crc >> 16 & 0xff; // Checksum
tspat_buf[19] = crc >> 8 & 0xff; // Checksum
tspat_buf[20] = crc & 0xff; // Checksum
int written = siBuffer.PutTS(tspat_buf, TS_SIZE);
if (written != TS_SIZE)
siBuffer.ReportOverflow(TS_SIZE - written);
if (pmtPid != prevPmtPid) {
m_Streamer->SetPids(pmtPid);
Add(pmtPid, 0x02);
@@ -301,7 +312,7 @@ void cStreamdevPatFilter::Process(u_short Pid, u_char Tid, const u_char *Data, i
if (pmtVersion != -1) {
if (pmtVersion != pmt.getVersionNumber()) {
Dprintf("cStreamdevPatFilter: PMT version changed, detaching all pids\n");
Del(pmtPid, 0x02);
cFilter::Del(pmtPid, 0x02);
pmtPid = 0; // this triggers PAT scan
}
return;
@@ -473,8 +484,8 @@ bool cStreamdevLiveStreamer::SetChannel(const cChannel *Channel, eStreamType Str
}
case stPES:
m_PESRemux = new cRemux(m_Channel->Vpid(), m_Channel->Apids(), m_Channel->Dpids(),
m_Channel->Spids(), false);
m_PESRemux = new cTS2PESRemux(m_Channel->Vpid(), m_Channel->Apids(), m_Channel->Dpids(),
m_Channel->Spids());
return SetPids(m_Channel->Vpid(), Apids, Dpids, m_Channel->Spids());
case stPS:
@@ -512,6 +523,17 @@ int cStreamdevLiveStreamer::Put(const uchar *Data, int Count)
{
switch (m_StreamType) {
case stTS:
// insert si data
if (m_PatFilter) {
int got;
uchar *si = m_PatFilter->Get(got);
if (si) {
int count = cStreamdevStreamer::Put(si, got);
if (count)
m_PatFilter->Del(count);
}
}
// fall through
case stTSPIDS:
return cStreamdevStreamer::Put(Data, Count);

18
server/livestreamer.h
View File

@@ -7,10 +7,12 @@
#include "server/streamer.h"
#include "common.h"
class cTS2PSRemux;
class cTS2ESRemux;
class cExternRemux;
class cRemux;
namespace Streamdev {
class cTS2PSRemux;
class cTS2ESRemux;
class cExternRemux;
class cTS2PESRemux;
}
class cStreamdevPatFilter;
class cStreamdevLiveReceiver;
@@ -27,10 +29,10 @@ private:
cDevice *m_Device;
cStreamdevLiveReceiver *m_Receiver;
cStreamdevPatFilter *m_PatFilter;
cRemux *m_PESRemux;
cTS2ESRemux *m_ESRemux;
cTS2PSRemux *m_PSRemux;
cExternRemux *m_ExtRemux;
Streamdev::cTS2PESRemux *m_PESRemux;
Streamdev::cTS2ESRemux *m_ESRemux;
Streamdev::cTS2PSRemux *m_PSRemux;
Streamdev::cExternRemux *m_ExtRemux;
void StartReceiver(void);
bool HasPid(int Pid);

22
server/streamer.c
View File

@@ -1,5 +1,5 @@
/*
* $Id: streamer.c,v 1.16.2.2 2009/02/13 10:39:42 schmirl Exp $
* $Id: streamer.c,v 1.16.2.3 2009/06/29 06:25:30 schmirl Exp $
*/
#include <vdr/ringbuffer.h>
@@ -14,6 +14,13 @@
#include "tools/select.h"
#include "common.h"
// --- cStreamdevBuffer -------------------------------------------------------
cStreamdevBuffer::cStreamdevBuffer(int Size, int Margin, bool Statistics, const char *Description):
cRingBufferLinear(Size, Margin, Statistics, Description)
{
}
// --- cStreamdevWriter -------------------------------------------------------
cStreamdevWriter::cStreamdevWriter(cTBSocket *Socket,
@@ -95,14 +102,13 @@ void cStreamdevWriter::Action(void)
cStreamdevStreamer::cStreamdevStreamer(const char *Name):
cThread(Name),
m_Running(false),
m_Writer(NULL),
m_RingBuffer(new cRingBufferLinear(STREAMERBUFSIZE, TS_SIZE * 2,
m_RingBuffer(new cStreamdevBuffer(STREAMERBUFSIZE, TS_SIZE * 2,
true, "streamdev-streamer")),
m_SendBuffer(new cRingBufferLinear(WRITERBUFSIZE, TS_SIZE * 2))
m_SendBuffer(new cStreamdevBuffer(WRITERBUFSIZE, TS_SIZE * 2))
{
m_RingBuffer->SetTimeouts(0, 100);
m_SendBuffer->SetTimeouts(0, 100);
m_SendBuffer->SetTimeouts(100, 100);
}
cStreamdevStreamer::~cStreamdevStreamer()
@@ -116,7 +122,6 @@ void cStreamdevStreamer::Start(cTBSocket *Socket)
{
Dprintf("start streamer\n");
m_Writer = new cStreamdevWriter(Socket, this);
m_Running = true;
Attach();
}
@@ -135,9 +140,8 @@ void cStreamdevStreamer::Stop(void)
Dprintf("stopping streamer\n");
Cancel(3);
}
if (m_Running) {
if (m_Writer) {
Detach();
m_Running = false;
DELETENULL(m_Writer);
}
}
@@ -152,8 +156,6 @@ void cStreamdevStreamer::Action(void)
int count = Put(block, got);
if (count)
m_RingBuffer->Del(count);
else
cCondWait::SleepMs(100);
}
}
}

43
server/streamer.h
View File

@@ -1,5 +1,5 @@
/*
* $Id: streamer.h,v 1.8.2.2 2009/02/13 10:39:42 schmirl Exp $
* $Id: streamer.h,v 1.8.2.3 2009/06/29 06:25:30 schmirl Exp $
*/
#ifndef VDR_STREAMDEV_STREAMER_H
@@ -16,8 +16,34 @@ class cStreamdevStreamer;
#define TS_SIZE 188
#endif
#define STREAMERBUFSIZE MEGABYTE(4)
#define WRITERBUFSIZE KILOBYTE(256)
#define STREAMERBUFSIZE (20000 * TS_SIZE)
#define WRITERBUFSIZE (5000 * TS_SIZE)
// --- cStreamdevBuffer -------------------------------------------------------
class cStreamdevBuffer: public cRingBufferLinear {
public:
// make public
void WaitForPut(void) { cRingBuffer::WaitForPut(); }
// Always write complete TS packets
// (assumes Count is a multiple of TS_SIZE)
int PutTS(const uchar *Data, int Count);
cStreamdevBuffer(int Size, int Margin = 0, bool Statistics = false, const char *Description = NULL);
};
inline int cStreamdevBuffer::PutTS(const uchar *Data, int Count)
{
int free = Free();
if (free < Count)
Count = free;
Count -= Count % TS_SIZE;
if (Count)
Count = Put(Data, Count);
else
WaitForPut();
return Count;
}
// --- cStreamdevWriter -------------------------------------------------------
@@ -38,15 +64,14 @@ public:
class cStreamdevStreamer: public cThread {
private:
bool m_Running;
cStreamdevWriter *m_Writer;
cRingBufferLinear *m_RingBuffer;
cRingBufferLinear *m_SendBuffer;
cStreamdevBuffer *m_RingBuffer;
cStreamdevBuffer *m_SendBuffer;
protected:
virtual void Action(void);
bool IsRunning(void) const { return m_Running; }
bool IsRunning(void) const { return m_Writer; }
public:
cStreamdevStreamer(const char *Name);
@@ -57,10 +82,10 @@ public:
bool Abort(void);
void Activate(bool On);
int Receive(uchar *Data, int Length) { return m_RingBuffer->Put(Data, Length); }
int Receive(uchar *Data, int Length) { return m_RingBuffer->PutTS(Data, Length); }
void ReportOverflow(int Bytes) { m_RingBuffer->ReportOverflow(Bytes); }
virtual int Put(const uchar *Data, int Count) { return m_SendBuffer->Put(Data, Count); }
virtual int Put(const uchar *Data, int Count) { return m_SendBuffer->PutTS(Data, Count); }
virtual uchar *Get(int &Count) { return m_SendBuffer->Get(Count); }
virtual void Del(int Count) { m_SendBuffer->Del(Count); }

3
streamdev-server.c
View File

@@ -3,7 +3,7 @@
*
* See the README file for copyright information and how to reach the author.
*
* $Id: streamdev-server.c,v 1.7.2.2 2008/10/14 11:05:57 schmirl Exp $
* $Id: streamdev-server.c,v 1.7.2.3 2009/06/29 06:25:27 schmirl Exp $
*/
#include <getopt.h>
@@ -12,7 +12,6 @@
#include "server/setup.h"
#include "server/server.h"
#include "server/suspend.h"
#include "remux/extern.h"
#include "i18n.h"
#if VDRVERSNUM < 10400