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-rw-r--r--CONTRIBUTORS1
-rw-r--r--HISTORY5
-rw-r--r--dvbapi.c449
-rw-r--r--ringbuffer.c5
-rw-r--r--ringbuffer.h8
5 files changed, 257 insertions, 211 deletions
diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 473985c7..8d444645 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -115,6 +115,7 @@ Helmut Schächner <schaechner@yahoo.com>
Andreas Schultz <aschultz@warp10.net>
for adding support for replaying DVDs (much of this was derived from
dvdplayer-0.5 by Matjaz Thaler <matjaz.thaler@guest.arnes.si>)
+ for adding PTS to the converted PCM audio when replaying a DVD
Aaron Holtzman
for writing 'ac3dec'
diff --git a/HISTORY b/HISTORY
index df59dea9..3313a62a 100644
--- a/HISTORY
+++ b/HISTORY
@@ -831,7 +831,7 @@ Video Disk Recorder Revision History
- Fixed handling trick modes near the beginning and end of a recording.
- Pressing the "Back" button while replaying a DVD now leads to the DVD menu.
-2001-10-28: Version 0.98
+2001-11-03: Version 0.98
- Completed storing the current audio volume in the setup.conf file (thanks
to Andy Grobb).
@@ -851,3 +851,6 @@ Video Disk Recorder Revision History
on an other free DVB card (if one is free at the moment). See MANUAL for
details.
- Added some missing teletext PIDs (thanks to Norbert Schmidt).
+- Added PTS to the converted PCM audio when replaying a DVD (thanks to Andreas
+ Schultz). Now the audio and video of a DVD replayed over the DVB card's A/V
+ out should always be in sync.
diff --git a/dvbapi.c b/dvbapi.c
index 251e4c65..111d77de 100644
--- a/dvbapi.c
+++ b/dvbapi.c
@@ -7,7 +7,7 @@
* DVD support initially written by Andreas Schultz <aschultz@warp10.net>
* based on dvdplayer-0.5 by Matjaz Thaler <matjaz.thaler@guest.arnes.si>
*
- * $Id: dvbapi.c 1.133 2001/10/27 13:00:29 kls Exp $
+ * $Id: dvbapi.c 1.134 2001/11/03 10:59:34 kls Exp $
*/
//#define DVDDEBUG 1
@@ -713,7 +713,10 @@ protected:
void TrickSpeed(int Increment);
virtual void Empty(bool Block = false);
virtual void StripAudioPackets(uchar *b, int Length, uchar Except = 0x00) {}
+ virtual void PlayExternalDolby(const uchar *b, int MaxLength);
virtual void Output(void);
+ void putFrame(cFrame *Frame);
+ void putFrame(unsigned char *Data, int Length, eFrameType Type = ftUnknown);
public:
cPlayBuffer(cDvbApi *DvbApi, int VideoDev, int AudioDev);
virtual ~cPlayBuffer();
@@ -759,6 +762,28 @@ cPlayBuffer::~cPlayBuffer()
{
}
+void cPlayBuffer::PlayExternalDolby(const uchar *b, int MaxLength)
+{
+ if (dolbyDev) {
+ if (b[0] == 0x00 && b[1] == 0x00 && b[2] == 0x01) {
+ if (b[3] == 0xBD) { // dolby
+ int l = b[4] * 256 + b[5] + 6;
+ int written = b[8] + 9; // skips the PES header
+ int n = min(l - written, MaxLength);
+ while (n > 0) {
+ int w = fwrite(&b[written], 1, n, dolbyDev);
+ if (w < 0) {
+ LOG_ERROR;
+ break;
+ }
+ n -= w;
+ written += w;
+ }
+ }
+ }
+ }
+}
+
void cPlayBuffer::Output(void)
{
dsyslog(LOG_INFO, "output thread started (pid=%d)", getpid());
@@ -771,24 +796,28 @@ void cPlayBuffer::Output(void)
}
const cFrame *frame = Get();
if (frame) {
- StripAudioPackets((uchar *)frame->Data(), frame->Count(), (playMode == pmFast || playMode == pmSlow) ? 0x00 : audioTrack);//XXX
- const uchar *p = frame->Data();
- int r = frame->Count();
- while (r > 0 && Busy() && !blockOutput) {
- cFile::FileReadyForWriting(videoDev, 100);
- int w = write(videoDev, p, r);
- if (w > 0) {
- p += w;
- r -= w;
- }
- else if (w < 0 && FATALERRNO) {
- LOG_ERROR;
- Stop();
- return;
+ if (frame->Type() == ftDolby)
+ PlayExternalDolby(frame->Data(), frame->Count());
+ else {
+ StripAudioPackets((uchar *)frame->Data(), frame->Count(), (playMode == pmFast || playMode == pmSlow) ? 0x00 : audioTrack);//XXX
+ const uchar *p = frame->Data();
+ int r = frame->Count();
+ while (r > 0 && Busy() && !blockOutput) {
+ cFile::FileReadyForWriting(videoDev, 100);
+ int w = write(videoDev, p, r);
+ if (w > 0) {
+ p += w;
+ r -= w;
+ }
+ else if (w < 0 && FATALERRNO) {
+ LOG_ERROR;
+ Stop();
+ return;
+ }
}
- }
- writeIndex = frame->Index();
- backTrace.Add(frame->Index(), frame->Count());
+ writeIndex = frame->Index();
+ backTrace.Add(frame->Index(), frame->Count());
+ }
Drop(frame);
}
}
@@ -796,6 +825,20 @@ void cPlayBuffer::Output(void)
dsyslog(LOG_INFO, "output thread ended (pid=%d)", getpid());
}
+void cPlayBuffer::putFrame(cFrame *Frame)
+{
+ while (Busy() && !blockInput) {
+ if (Put(Frame))
+ return;
+ }
+ delete Frame; // caller relies on frame being put, otherwise this would be a memory leak!
+}
+
+void cPlayBuffer::putFrame(unsigned char *Data, int Length, eFrameType Type)
+{
+ putFrame(new cFrame(Data, Length, Type));
+}
+
void cPlayBuffer::TrickSpeed(int Increment)
{
int nts = trickSpeed + Increment;
@@ -1089,11 +1132,8 @@ void cReplayBuffer::Input(void)
}
else // allows replay even if the index file is missing
r = read(replayFile, b, sizeof(b));
- if (r > 0) {
- cFrame *frame = new cFrame(b, r, readIndex);
- while (Busy() && !blockInput && !Put(frame))
- ;
- }
+ if (r > 0)
+ putFrame(new cFrame(b, r, ftUnknown, readIndex));
else if (r == 0)
eof = true;
else if (r < 0 && FATALERRNO) {
@@ -1117,19 +1157,8 @@ void cReplayBuffer::StripAudioPackets(uchar *b, int Length, uchar Except)
int l = b[i + 4] * 256 + b[i + 5] + 6;
switch (c) {
case 0xBD: // dolby
- if (Except && dolbyDev) {
- int written = b[i + 8] + 9; // skips the PES header
- int n = l - written;
- while (n > 0) {
- int w = fwrite(&b[i + written], 1, n, dolbyDev);
- if (w < 0) {
- LOG_ERROR;
- break;
- }
- n -= w;
- written += w;
- }
- }
+ if (Except && dolbyDev)
+ PlayExternalDolby(&b[i], Length - i);
// continue with deleting the data - otherwise it disturbs DVB replay
case 0xC0 ... 0xC1: // audio
if (c == 0xC1)
@@ -1290,10 +1319,166 @@ bool cReplayBuffer::NextFile(uchar FileNumber, int FileOffset)
}
#ifdef DVDSUPPORT
+
+#define SYSTEM_HEADER 0xBB
+#define PROG_STREAM_MAP 0xBC
+#ifndef PRIVATE_STREAM1
+#define PRIVATE_STREAM1 0xBD
+#endif
+#define PADDING_STREAM 0xBE
+#ifndef PRIVATE_STREAM2
+#define PRIVATE_STREAM2 0xBF
+#endif
+#define AUDIO_STREAM_S 0xC0
+#define AUDIO_STREAM_E 0xDF
+#define VIDEO_STREAM_S 0xE0
+#define VIDEO_STREAM_E 0xEF
+#define ECM_STREAM 0xF0
+#define EMM_STREAM 0xF1
+#define DSM_CC_STREAM 0xF2
+#define ISO13522_STREAM 0xF3
+#define PROG_STREAM_DIR 0xFF
+
+#define cOPENDVD 0
+#define cOPENTITLE 1
+#define cOPENCHAPTER 2
+#define cOUTCELL 3
+#define cREADFRAME 4
+#define cOUTPACK 5
+#define cOUTFRAMES 6
+
+#define aAC3 0x80
+#define aLPCM 0xA0
+
+// --- cAC3toPCM -------------------------------------------------------------
+
+class cAC3toPCM {
+private:
+ enum { AC3_STOP, AC3_START, AC3_PLAY } ac3stat;
+ uchar *ac3data;
+ int ac3inp;
+ int ac3outp;
+public:
+ cAC3toPCM(void);
+ ~cAC3toPCM();
+ void Clear(void);
+ void Put(unsigned char *sector, int length);
+ cFrame *Get(int size, uchar PTSflags = 0, uchar *PTSdata = 0);
+ };
+
+cAC3toPCM::cAC3toPCM(void)
+{
+ ac3dec_init();
+ ac3data = new uchar[AC3_BUFFER_SIZE];
+ Clear();
+}
+
+cAC3toPCM::~cAC3toPCM()
+{
+ delete ac3data;
+}
+
+void cAC3toPCM::Clear(void)
+{
+ ac3stat = AC3_START;
+ ac3outp = ac3inp = 0;
+}
+
+void cAC3toPCM::Put(unsigned char *sector, int length)
+{
+ ac3dec_decode_data(sector, sector + length, ac3stat == AC3_START, &ac3inp, &ac3outp, (char *)ac3data);
+ ac3stat = AC3_PLAY;
+}
+
+// data=PCM samples, 16 bit, LSB first, 48kHz, stereo
+cFrame *cAC3toPCM::Get(int size, uchar PTSflags, uchar *PTSdata)
+{
+ if (ac3inp == ac3outp)
+ return NULL;
+
+#define MAXSIZE 2022
+
+ uchar buffer[2048];
+ uchar *data;
+
+ if (size > 0) {
+ int p_size = (size > MAXSIZE) ? MAXSIZE : size;
+ int length = 10; // default header bytes
+ int header = 0;
+ int stuffb = 0;
+
+ switch (PTSflags) {
+ case 2: header = 5; // additional header bytes
+ stuffb = 1;
+ break;
+ case 3: header = 10;
+ break;
+ default: header = 0;
+ }
+
+ // header = 0; //XXX ???
+ stuffb = 0; //XXX ???
+
+ length += header;
+ length += stuffb;
+
+ buffer[0] = 0x00;
+ buffer[1] = 0x00;
+ buffer[2] = 0x01;
+ buffer[3] = PRIVATE_STREAM1;
+
+ buffer[6] = 0x80;
+ buffer[7] = PTSflags << 6;
+ buffer[8] = header + stuffb;
+
+ if (header)
+ memcpy(&buffer[9], (void *)PTSdata, header);
+
+ // add stuffing
+ data = buffer + 9 + header;
+ for (int cnt = 0; cnt < stuffb; cnt++)
+ data[cnt] = 0xff;
+ length += stuffb;
+
+ // add data
+ data = buffer + 9 + header + stuffb + 7;
+ int cnt = 0;
+ while (p_size) {
+ if (ac3outp != ac3inp) { // data in the buffer
+ data[cnt ^ 1] = ac3data[ac3outp]; // swab because ac3dec delivers wrong byteorder (the "xor" (^) is a swab!)
+ p_size--;
+ cnt++;
+ length++;
+ ac3outp = (ac3outp + 1) % AC3_BUFFER_SIZE;
+ }
+ else
+ break;
+ }
+
+ data = buffer + 9 + header + stuffb;
+ data[0] = aLPCM; // substream ID
+ data[1] = 0x00; // other stuff (see DVB specs), ignored by driver
+ data[2] = 0x00;
+ data[3] = 0x00;
+ data[4] = 0x00;
+ data[5] = 0x00;
+ data[6] = 0x00;
+
+ buffer[4] = (length >> 8) & 0xff;
+ buffer[5] = length & 0xff;
+
+ length += 6;
+
+ return new cFrame(buffer, length);
+ }
+ return NULL;
+}
+
// --- cDVDplayBuffer --------------------------------------------------------
class cDVDplayBuffer : public cPlayBuffer {
private:
+ cAC3toPCM AC3toPCM;
uchar audioTrack;
cDVD *dvd;//XXX necessary???
@@ -1308,7 +1493,6 @@ private:
int doplay;
int cyclestate;
int prevcycle;
- int brakeCounter;
int skipCnt;
tt_srpt_t *tt_srpt;
@@ -1335,11 +1519,6 @@ private:
int logAudioTrack;
int maxAudioTrack;
- enum { AC3_STOP, AC3_START, AC3_PLAY } ac3stat;
- uchar *ac3data;
- int ac3inp;
- int ac3outp;
- int lpcm_count;
int is_nav_pack(unsigned char *buffer);
void Close(void);
virtual void Empty(bool Block = false);
@@ -1350,10 +1529,7 @@ private:
int GetStuffingLen(const uchar *Data);
int GetPacketLength(const uchar *Data);
int GetPESHeaderLength(const uchar *Data);
- int SendPCM(int size);
- void playDecodedAC3(void);
- void handleAC3(unsigned char *sector, int length);
- void putFrame(unsigned char *sector, int length);
+ void handleAC3(unsigned char *sector, int length, uchar PTSflags, uchar *PTSdata);
unsigned int getAudioStream(unsigned int StreamId);
void setChapid(void);
void NextState(int State) { prevcycle = cyclestate; cyclestate = State; }
@@ -1369,17 +1545,6 @@ public:
virtual void ToggleAudioTrack(void);
};
-#define cOPENDVD 0
-#define cOPENTITLE 1
-#define cOPENCHAPTER 2
-#define cOUTCELL 3
-#define cREADFRAME 4
-#define cOUTPACK 5
-#define cOUTFRAMES 6
-
-#define aAC3 0x80
-#define aLPCM 0xA0
-
cDVDplayBuffer::cDVDplayBuffer(cDvbApi *DvbApi, int VideoDev, int AudioDev, cDVD *DvD, int title)
:cPlayBuffer(DvbApi, VideoDev, AudioDev)
{
@@ -1389,15 +1554,10 @@ cDVDplayBuffer::cDVDplayBuffer(cDvbApi *DvbApi, int VideoDev, int AudioDev, cDVD
angle = 0;
cyclestate = cOPENDVD;
prevcycle = 0;
- brakeCounter = 0;
skipCnt = 0;
logAudioTrack = 0;
canToggleAudioTrack = true;//XXX determine from cDVD!
- ac3dec_init();
data = new uchar[1024 * DVD_VIDEO_LB_LEN];
- ac3data = new uchar[AC3_BUFFER_SIZE];
- ac3inp = ac3outp = 0;
- ac3stat = AC3_START;
canDoTrickMode = true;
dvbApi->SetModeReplay();
Start();
@@ -1408,7 +1568,6 @@ cDVDplayBuffer::~cDVDplayBuffer()
Stop();
Close();
dvbApi->SetModeNormal(false);
- delete ac3data;
delete data;
}
@@ -1449,8 +1608,7 @@ void cDVDplayBuffer::ToggleAudioTrack(void)
#ifdef DVDDEBUG
dsyslog(LOG_INFO, "DVB: Audio Stream ID changed to: %x", audioTrack);
#endif
- ac3stat = AC3_START;
- ac3outp = ac3inp;
+ AC3toPCM.Clear();
}
}
@@ -1869,141 +2027,21 @@ int cDVDplayBuffer::ScanVideoPacket(const uchar *Data, int Count, uchar *Picture
return -1;
}
-#define SYSTEM_HEADER 0xBB
-#define PROG_STREAM_MAP 0xBC
-#ifndef PRIVATE_STREAM1
-#define PRIVATE_STREAM1 0xBD
-#endif
-#define PADDING_STREAM 0xBE
-#ifndef PRIVATE_STREAM2
-#define PRIVATE_STREAM2 0xBF
-#endif
-#define AUDIO_STREAM_S 0xC0
-#define AUDIO_STREAM_E 0xDF
-#define VIDEO_STREAM_S 0xE0
-#define VIDEO_STREAM_E 0xEF
-#define ECM_STREAM 0xF0
-#define EMM_STREAM 0xF1
-#define DSM_CC_STREAM 0xF2
-#define ISO13522_STREAM 0xF3
-#define PROG_STREAM_DIR 0xFF
-
-// data=PCM samples, 16 bit, LSB first, 48kHz, stereo
-int cDVDplayBuffer::SendPCM(int size)
-{
-
-#define MAXSIZE 2032
-
- uchar buffer[MAXSIZE + 16];
- int length = 0;
- int p_size;
-
- if (ac3inp == ac3outp)
- return 1;
-
- while (size > 0) {
- if (size >= MAXSIZE)
- p_size = MAXSIZE;
- else
- p_size = size;
- length = 10;
-
- while (p_size) {
- if (ac3outp != ac3inp) { // data in the buffer
- buffer[(length + 6) ^ 1] = ac3data[ac3outp]; // swab because ac3dec delivers wrong byteorder
- // XXX there is no 'swab' here??? (kls)
- p_size--;
- length++;
- ac3outp = (ac3outp + 1) % AC3_BUFFER_SIZE;
- }
- else
- break;
- }
-
- buffer[0] = 0x00;
- buffer[1] = 0x00;
- buffer[2] = 0x01;
- buffer[3] = PRIVATE_STREAM1;
-
- buffer[4] = (length >> 8) & 0xff;
- buffer[5] = length & 0xff;
-
- buffer[6] = 0x80;
- buffer[7] = 0x00;
- buffer[8] = 0x00;
-
- buffer[9] = aLPCM; // substream ID
- buffer[10] = 0x00; // other stuff (see DVD specs), ignored by driver
- buffer[11] = 0x00;
- buffer[12] = 0x00;
- buffer[13] = 0x00;
- buffer[14] = 0x00;
- buffer[15] = 0x00;
-
- length += 6;
-
- putFrame(buffer, length);
- size -= MAXSIZE;
- }
- return 0;
-}
-
-void cDVDplayBuffer::playDecodedAC3(void)
-{
- int ac3_datasize = (AC3_BUFFER_SIZE + ac3inp - ac3outp) % AC3_BUFFER_SIZE;
-
- if (ac3_datasize) {
- if (ac3_datasize > 1024 * 48)
- SendPCM(3096);
- else if (ac3_datasize > 1024 * 32)
- SendPCM(1536);
- else if (ac3_datasize > 1024 * 16 && !(lpcm_count % 2))
- SendPCM(1536);
- else if (ac3_datasize && !(lpcm_count % 4))
- SendPCM(1536);
- lpcm_count++;
- }
- else
- lpcm_count=0;
-}
-
-void cDVDplayBuffer::handleAC3(unsigned char *sector, int length)
-{
- if (dolbyDev) {
- while (length > 0) {
- int w = fwrite(sector, 1, length , dolbyDev);
- if (w < 0) {
- LOG_ERROR;
- break;
- }
- length -= w;
- sector += w;
- }
- }
- else {
- if (ac3stat == AC3_PLAY)
- ac3dec_decode_data(sector, sector + length, 0, &ac3inp, &ac3outp, (char *)ac3data);
- else if (ac3stat == AC3_START) {
- ac3dec_decode_data(sector, sector + length, 1, &ac3inp, &ac3outp, (char *)ac3data);
- ac3stat = AC3_PLAY;
- }
- }
- //playDecodedAC3();
-}
-
-void cDVDplayBuffer::putFrame(unsigned char *sector, int length)
+void cDVDplayBuffer::handleAC3(unsigned char *sector, int length, uchar PTSflags, uchar *PTSdata)
{
- cFrame *frame = new cFrame(sector, length);
- while (Busy() && !blockInput && !Put(frame))
- ;
+#define PCM_FRAME_SIZE 1536
+ AC3toPCM.Put(sector, length);
+ cFrame *frame;
+ if ((frame = AC3toPCM.Get(PCM_FRAME_SIZE, PTSflags, PTSdata)) != NULL)
+ putFrame(frame);
+ while ((frame = AC3toPCM.Get(PCM_FRAME_SIZE)) != NULL)
+ putFrame(frame);
}
int cDVDplayBuffer::decode_packet(unsigned char *sector, bool trickMode)
{
+ //XXX kls 2001-11-03: do we really need all these different return values?
uchar pt = 1;
-#if 0
- uchar *osect = sector;
-#endif
//make sure we got a PS packet header
if (!PacketStart(&sector, DVD_VIDEO_LB_LEN) && GetPacketType(sector) != 0xBA) {
@@ -2017,6 +2055,8 @@ int cDVDplayBuffer::decode_packet(unsigned char *sector, bool trickMode)
int datalen = r;
sector[6] &= 0x8f;
+ uchar PTSflags = sector[7] >> 6;
+ uchar *PTSdata = sector + 9;
uchar *data = sector;
switch (GetPacketType(sector)) {
@@ -2025,6 +2065,7 @@ int cDVDplayBuffer::decode_packet(unsigned char *sector, bool trickMode)
ScanVideoPacket(sector, r, &pt);
if (trickMode && pt != 1)
return pt;
+ putFrame(sector, r, ftVideo);
break;
}
case AUDIO_STREAM_S ... AUDIO_STREAM_E: {
@@ -2033,6 +2074,7 @@ int cDVDplayBuffer::decode_packet(unsigned char *sector, bool trickMode)
return 1;
if (audioTrack != GetPacketType(sector))
return 5;
+ putFrame(sector, r, ftAudio);
break;
}
case PRIVATE_STREAM1:
@@ -2060,14 +2102,15 @@ int cDVDplayBuffer::decode_packet(unsigned char *sector, bool trickMode)
if (audioTrack == *data) {
switch (audioTrack & 0xF8) {
case aAC3:
+ if (dolbyDev)
+ putFrame(sector, r, ftDolby);
data += 4;
- // correct a3 data lenght - FIXME: why 13 ???
- datalen -= 13;
- handleAC3(data, datalen);
+ datalen -= 13; // 3 (mandatory header) + 6 (PS header) + 4 (AC3 header) = 13
+ handleAC3(data, datalen, PTSflags, PTSdata);
break;
case aLPCM:
// write(audio, sector+14 , sector[19]+(sector[18]<<8)+6);
- putFrame(sector, GetPacketLength(sector));
+ putFrame(sector, GetPacketLength(sector), ftAudio);
break;
default:
break;
@@ -2096,9 +2139,6 @@ int cDVDplayBuffer::decode_packet(unsigned char *sector, bool trickMode)
return pt;
}
}
- putFrame(sector, r);
- if ((audioTrack & 0xF8) == aAC3)
- playDecodedAC3();
return pt;
}
@@ -2106,8 +2146,7 @@ void cDVDplayBuffer::Empty(bool Block)
{
if (!(blockInput || blockOutput)) {
cPlayBuffer::Empty(true);
- ac3stat = AC3_START;
- ac3outp = ac3inp;
+ AC3toPCM.Clear();
}
if (!Block)
cPlayBuffer::Empty(false);
@@ -2149,9 +2188,7 @@ void cDVDplayBuffer::SkipSeconds(int Seconds)
Empty(true);
chapid = newchapid;
NextState(cOPENCHAPTER);
- if (ac3stat != AC3_STOP)
- ac3stat = AC3_START;
- ac3outp = ac3inp;
+ AC3toPCM.Clear();
Empty(false);
Play();
}
diff --git a/ringbuffer.c b/ringbuffer.c
index 7e09b2af..8b8420c1 100644
--- a/ringbuffer.c
+++ b/ringbuffer.c
@@ -7,7 +7,7 @@
* Parts of this file were inspired by the 'ringbuffy.c' from the
* LinuxDVB driver (see linuxtv.org).
*
- * $Id: ringbuffer.c 1.4 2001/08/05 12:17:45 kls Exp $
+ * $Id: ringbuffer.c 1.5 2001/11/03 09:50:46 kls Exp $
*/
#include "ringbuffer.h"
@@ -215,9 +215,10 @@ int cRingBufferLinear::Get(uchar *Data, int Count)
// --- cFrame ----------------------------------------------------------------
-cFrame::cFrame(const uchar *Data, int Count, int Index)
+cFrame::cFrame(const uchar *Data, int Count, eFrameType Type, int Index)
{
count = Count;
+ type = Type;
index = Index;
data = new uchar[count];
if (data)
diff --git a/ringbuffer.h b/ringbuffer.h
index f61d9e04..7e1025b1 100644
--- a/ringbuffer.h
+++ b/ringbuffer.h
@@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
- * $Id: ringbuffer.h 1.4 2001/08/05 11:12:06 kls Exp $
+ * $Id: ringbuffer.h 1.5 2001/11/03 10:41:33 kls Exp $
*/
#ifndef __RINGBUFFER_H
@@ -75,18 +75,22 @@ public:
virtual ~cRingBufferLinear();
};
+enum eFrameType { ftUnknown, ftVideo, ftAudio, ftDolby };
+
class cFrame {
friend class cRingBufferFrame;
private:
cFrame *next;
uchar *data;
int count;
+ eFrameType type;
int index;
public:
- cFrame(const uchar *Data, int Count, int Index = -1);
+ cFrame(const uchar *Data, int Count, eFrameType = ftUnknown, int Index = -1);
~cFrame();
const uchar *Data(void) const { return data; }
int Count(void) const { return count; }
+ eFrameType Type(void) const { return type; }
int Index(void) const { return index; }
};