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-rw-r--r--dvbapi.c141
1 files changed, 52 insertions, 89 deletions
diff --git a/dvbapi.c b/dvbapi.c
index f72782b..707db0d 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 1.137 2001/11/04 12:05:36 kls Exp $
+ * $Id: dvbapi.c 1.141 2001/11/25 16:38:09 kls Exp $
*/
//#define DVDDEBUG 1
@@ -710,6 +710,7 @@ protected:
int readIndex, writeIndex;
bool canDoTrickMode;
bool canToggleAudioTrack;
+ bool skipAC3bytes;
uchar audioTrack;
void TrickSpeed(int Increment);
virtual void Empty(bool Block = false);
@@ -752,6 +753,7 @@ cPlayBuffer::cPlayBuffer(cDvbApi *DvbApi, int VideoDev, int AudioDev)
readIndex = writeIndex = -1;
canDoTrickMode = false;
canToggleAudioTrack = false;
+ skipAC3bytes = false;
audioTrack = 0xC0;
if (cDvbApi::AudioCommand()) {
if (!dolbyDev.Open(cDvbApi::AudioCommand(), "w"))
@@ -769,7 +771,7 @@ void cPlayBuffer::PlayExternalDolby(const uchar *b, int MaxLength)
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 written = b[8] + (skipAC3bytes ? 13 : 9); // skips the PES header
int n = min(l - written, MaxLength);
while (n > 0) {
int w = fwrite(&b[written], 1, n, dolbyDev);
@@ -1348,9 +1350,6 @@ bool cReplayBuffer::NextFile(uchar FileNumber, int FileOffset)
#define cOUTPACK 5
#define cOUTFRAMES 6
-#define aAC3 0x80
-#define aLPCM 0xA0
-
// --- cAC3toPCM -------------------------------------------------------------
class cAC3toPCM {
@@ -1406,22 +1405,16 @@ cFrame *cAC3toPCM::Get(int size, uchar PTSflags, uchar *PTSdata)
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;
@@ -1430,19 +1423,13 @@ cFrame *cAC3toPCM::Get(int size, uchar PTSflags, uchar *PTSdata)
buffer[6] = 0x80;
buffer[7] = PTSflags << 6;
- buffer[8] = header + stuffb;
+ buffer[8] = header;
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;
+ data = buffer + 9 + header + 7;
int cnt = 0;
while (p_size) {
if (ac3outp != ac3inp) { // data in the buffer
@@ -1456,7 +1443,7 @@ cFrame *cAC3toPCM::Get(int size, uchar PTSflags, uchar *PTSdata)
break;
}
- data = buffer + 9 + header + stuffb;
+ data = buffer + 9 + header;
data[0] = aLPCM; // substream ID
data[1] = 0x00; // other stuff (see DVB specs), ignored by driver
data[2] = 0x00;
@@ -1560,6 +1547,7 @@ cDVDplayBuffer::cDVDplayBuffer(cDvbApi *DvbApi, int VideoDev, int AudioDev, cDVD
canToggleAudioTrack = true;//XXX determine from cDVD!
data = new uchar[1024 * DVD_VIDEO_LB_LEN];
canDoTrickMode = true;
+ skipAC3bytes = true;
dvbApi->SetModeReplay();
Start();
}
@@ -1574,28 +1562,12 @@ cDVDplayBuffer::~cDVDplayBuffer()
unsigned int cDVDplayBuffer::getAudioStream(unsigned int StreamId)
{
- unsigned int trackID;
-
- if ((cyclestate < cOPENCHAPTER) || (StreamId > 7))
+ if (cyclestate < cOPENCHAPTER || StreamId > 7)
return 0;
if (!(cur_pgc->audio_control[StreamId] & 0x8000))
return 0;
int track = (cur_pgc->audio_control[StreamId] >> 8) & 0x07;
- switch (vts_file->vtsi_mat->vts_audio_attr[track].audio_format) {
- case 0: // ac3
- trackID = aAC3;
- break;
- case 2: // mpeg1
- case 3: // mpeg2ext
- case 4: // lpcm
- case 6: // dts
- trackID = aLPCM;
- break;
- default: esyslog(LOG_ERR, "ERROR: unknown Audio stream info");
- return 0;
- }
- trackID |= track;
- return trackID;
+ return dvd->getAudioTrack(track) | track;
}
void cDVDplayBuffer::ToggleAudioTrack(void)
@@ -2033,8 +2005,10 @@ void cDVDplayBuffer::handleAC3(unsigned char *sector, int length, uchar PTSflags
#define PCM_FRAME_SIZE 1536
AC3toPCM.Put(sector, length);
cFrame *frame;
- if ((frame = AC3toPCM.Get(PCM_FRAME_SIZE, PTSflags, PTSdata)) != NULL)
- putFrame(frame);
+ if (ac3_buffersize() <= 100) {
+ if ((frame = AC3toPCM.Get(PCM_FRAME_SIZE, PTSflags, PTSdata)) != NULL)
+ putFrame(frame);
+ }
while ((frame = AC3toPCM.Get(PCM_FRAME_SIZE)) != NULL)
putFrame(frame);
}
@@ -3087,7 +3061,7 @@ bool cDvbApi::SetPids(bool ForRecording)
SetDpid2(ForRecording ? dPid2 : 0, DMX_OUT_TS_TAP);
}
-eSetChannelResult cDvbApi::SetChannel(int ChannelNumber, int FrequencyMHz, char Polarization, int Diseqc, int Srate, int Vpid, int Apid1, int Apid2, int Dpid1, int Dpid2, int Tpid, int Ca, int Pnr)
+eSetChannelResult cDvbApi::SetChannel(int ChannelNumber, int Frequency, char Polarization, int Diseqc, int Srate, int Vpid, int Apid1, int Apid2, int Dpid1, int Dpid2, int Tpid, int Ca, int Pnr)
{
// Make sure the siProcessor won't access the device while switching
cThreadLock ThreadLock(siProcessor);
@@ -3129,14 +3103,14 @@ eSetChannelResult cDvbApi::SetChannel(int ChannelNumber, int FrequencyMHz, char
SetDpid2(0x1FFF, DMX_OUT_DECODER);
SetTpid( 0x1FFF, DMX_OUT_DECODER);
- bool ChannelSynced = false;
+ FrontendParameters Frontend;
switch (frontendType) {
case FE_QPSK: { // DVB-S
// Frequency offsets:
- unsigned int freq = FrequencyMHz;
+ unsigned int freq = Frequency;
int tone = SEC_TONE_OFF;
if (freq < (unsigned int)Setup.LnbSLOF) {
@@ -3148,7 +3122,6 @@ eSetChannelResult cDvbApi::SetChannel(int ChannelNumber, int FrequencyMHz, char
tone = SEC_TONE_ON;
}
- FrontendParameters Frontend;
Frontend.Frequency = freq * 1000UL;
Frontend.Inversion = INVERSION_AUTO;
Frontend.u.qpsk.SymbolRate = Srate * 1000UL;
@@ -3173,58 +3146,32 @@ eSetChannelResult cDvbApi::SetChannel(int ChannelNumber, int FrequencyMHz, char
scmds.commands = &scmd;
CHECK(ioctl(fd_sec, SEC_SEND_SEQUENCE, &scmds));
-
- // Tuning:
-
- CHECK(ioctl(fd_frontend, FE_SET_FRONTEND, &Frontend));
-
- // Wait for channel sync:
-
- if (cFile::FileReady(fd_frontend, 5000)) {
- FrontendEvent event;
- int res = ioctl(fd_frontend, FE_GET_EVENT, &event);
- if (res >= 0)
- ChannelSynced = event.type == FE_COMPLETION_EV;
- else
- esyslog(LOG_ERR, "ERROR %d in frontend get event", res);
- }
- else
- esyslog(LOG_ERR, "ERROR: timeout while tuning");
}
break;
case FE_QAM: { // DVB-C
// Frequency and symbol rate:
- FrontendParameters Frontend;
- Frontend.Frequency = FrequencyMHz * 1000000UL;
+ Frontend.Frequency = Frequency * 1000000UL;
Frontend.Inversion = INVERSION_AUTO;
Frontend.u.qam.SymbolRate = Srate * 1000UL;
Frontend.u.qam.FEC_inner = FEC_AUTO;
Frontend.u.qam.QAM = QAM_64;
-
- // Tuning:
-
- CHECK(ioctl(fd_frontend, FE_SET_FRONTEND, &Frontend));
-
- // Wait for channel sync:
-
- if (cFile::FileReady(fd_frontend, 5000)) {
- FrontendEvent event;
- int res = ioctl(fd_frontend, FE_GET_EVENT, &event);
- if (res >= 0)
- ChannelSynced = event.type == FE_COMPLETION_EV;
- else
- esyslog(LOG_ERR, "ERROR %d in frontend get event", res);
- }
- else
- esyslog(LOG_ERR, "ERROR: timeout while tuning");
}
break;
case FE_OFDM: { // DVB-T
- //XXX TODO: implement DVB-T tuning (anybody with a DVB-T card out there?)
- esyslog(LOG_ERR, "ERROR: DVB-T tuning support not yet implemented");
- return scrFailed;
+
+ // Frequency and OFDM paramaters:
+
+ Frontend.Frequency = Frequency * 1000UL;
+ Frontend.Inversion = INVERSION_AUTO;
+ Frontend.u.ofdm.bandWidth=BANDWIDTH_8_MHZ;
+ Frontend.u.ofdm.HP_CodeRate=FEC_2_3;
+ Frontend.u.ofdm.LP_CodeRate=FEC_1_2;
+ Frontend.u.ofdm.Constellation=QAM_64;
+ Frontend.u.ofdm.TransmissionMode=TRANSMISSION_MODE_2K;
+ Frontend.u.ofdm.guardInterval=GUARD_INTERVAL_1_32;
+ Frontend.u.ofdm.HierarchyInformation=HIERARCHY_NONE;
}
break;
default:
@@ -3232,12 +3179,28 @@ eSetChannelResult cDvbApi::SetChannel(int ChannelNumber, int FrequencyMHz, char
return scrFailed;
}
- if (!ChannelSynced) {
- esyslog(LOG_ERR, "ERROR: channel %d not sync'ed on DVB card %d!", ChannelNumber, CardIndex() + 1);
- if (this == PrimaryDvbApi)
- cThread::RaisePanic();
- return scrFailed;
+ // Tuning:
+
+ CHECK(ioctl(fd_frontend, FE_SET_FRONTEND, &Frontend));
+
+ // Wait for channel sync:
+
+ if (cFile::FileReady(fd_frontend, 5000)) {
+ FrontendEvent event;
+ int res = ioctl(fd_frontend, FE_GET_EVENT, &event);
+ if (res >= 0) {
+ if (event.type != FE_COMPLETION_EV) {
+ esyslog(LOG_ERR, "ERROR: channel %d not sync'ed on DVB card %d!", ChannelNumber, CardIndex() + 1);
+ if (this == PrimaryDvbApi)
+ cThread::RaisePanic();
+ return scrFailed;
+ }
+ }
+ else
+ esyslog(LOG_ERR, "ERROR %d in frontend get event", res);
}
+ else
+ esyslog(LOG_ERR, "ERROR: timeout while tuning");
// PID settings:
@@ -3261,7 +3224,7 @@ eSetChannelResult cDvbApi::SetChannel(int ChannelNumber, int FrequencyMHz, char
if (NeedsTransferMode) {
cDvbApi *CaDvbApi = GetDvbApi(Ca, 0);
if (CaDvbApi && !CaDvbApi->Recording()) {
- if ((Result = CaDvbApi->SetChannel(ChannelNumber, FrequencyMHz, Polarization, Diseqc, Srate, Vpid, Apid1, Apid2, Dpid1, Dpid2, Tpid, Ca, Pnr)) == scrOk) {
+ if ((Result = CaDvbApi->SetChannel(ChannelNumber, Frequency, Polarization, Diseqc, Srate, Vpid, Apid1, Apid2, Dpid1, Dpid2, Tpid, Ca, Pnr)) == scrOk) {
SetModeReplay();
transferringFromDvbApi = CaDvbApi->StartTransfer(fd_video);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-21 16:30:39 +0000