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-rw-r--r--dvbapi.c208
1 files changed, 100 insertions, 108 deletions
diff --git a/dvbapi.c b/dvbapi.c
index e583baf..8518d7f 100644
--- a/dvbapi.c
+++ b/dvbapi.c
@@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
- * $Id: dvbapi.c 1.50 2001/01/18 19:53:54 kls Exp $
+ * $Id: dvbapi.c 1.61 2001/02/24 13:13:19 kls Exp $
*/
#include "dvbapi.h"
@@ -67,7 +67,6 @@ extern "C" {
#define DISKCHECKINTERVAL 100 // seconds
#define INDEXFILESUFFIX "/index.vdr"
-#define RESUMEFILESUFFIX "/resume.vdr"
#define RECORDFILESUFFIX "/%03d.vdr"
#define RECORDFILESUFFIXLEN 20 // some additional bytes for safety...
@@ -105,56 +104,6 @@ int HMSFToIndex(const char *HMSF)
return 0;
}
-// --- cResumeFile ------------------------------------------------------------
-
-cResumeFile::cResumeFile(const char *FileName)
-{
- fileName = new char[strlen(FileName) + strlen(RESUMEFILESUFFIX) + 1];
- if (fileName) {
- strcpy(fileName, FileName);
- strcat(fileName, RESUMEFILESUFFIX);
- }
- else
- esyslog(LOG_ERR, "ERROR: can't allocate memory for resume file name");
-}
-
-cResumeFile::~cResumeFile()
-{
- delete fileName;
-}
-
-int cResumeFile::Read(void)
-{
- int resume = -1;
- if (fileName) {
- int f = open(fileName, O_RDONLY);
- if (f >= 0) {
- if (read(f, &resume, sizeof(resume)) != sizeof(resume)) {
- resume = -1;
- LOG_ERROR_STR(fileName);
- }
- close(f);
- }
- else if (errno != ENOENT)
- LOG_ERROR_STR(fileName);
- }
- return resume;
-}
-
-bool cResumeFile::Save(int Index)
-{
- if (fileName) {
- int f = open(fileName, O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP);
- if (f >= 0) {
- if (write(f, &Index, sizeof(Index)) != sizeof(Index))
- LOG_ERROR_STR(fileName);
- close(f);
- return true;
- }
- }
- return false;
-}
-
// --- cIndexFile ------------------------------------------------------------
class cIndexFile {
@@ -821,7 +770,9 @@ int cRecordBuffer::ScanVideoPacket(int *PictureType, int Offset)
int Length = GetPacketLength(Offset);
if (Length <= Available()) {
- for (int i = Offset; i < Offset + Length; i++) {
+ int i = Offset + 8; // the minimum length of the video packet header
+ i += Byte(i) + 1; // possible additional header bytes
+ for (; i < Offset + Length; i++) {
if (Byte(i) == 0 && Byte(i + 1) == 0 && Byte(i + 2) == 1) {
switch (Byte(i + 3)) {
case SC_PICTURE: *PictureType = GetPictureType(i);
@@ -840,8 +791,6 @@ int cRecordBuffer::Synchronize(void)
// Positions to the start of a data block (skipping everything up to
// an I-frame if not synced) and returns the block length.
- int LastPackHeader = -1;
-
pictureType = NO_PICTURE;
//XXX remove this once the buffer is handled with two separate threads:
@@ -853,8 +802,6 @@ int cRecordBuffer::Synchronize(void)
for (int i = 0; Available() > MINVIDEODATA && i < MINVIDEODATA; i++) {
if (Byte(i) == 0 && Byte(i + 1) == 0 && Byte(i + 2) == 1) {
switch (Byte(i + 3)) {
- case SC_PHEAD: LastPackHeader = i;
- break;
case SC_VIDEO: {
int pt = NO_PICTURE;
int l = ScanVideoPacket(&pt, i);
@@ -862,21 +809,15 @@ int cRecordBuffer::Synchronize(void)
return 0; // no useful data found, wait for more
if (pt != NO_PICTURE) {
if (pt < I_FRAME || B_FRAME < pt) {
- esyslog(LOG_ERR, "ERROR: unknown picture type '%d'", pt);
- }
+ esyslog(LOG_ERR, "ERROR: unknown picture type '%d'", pt);
+ }
else if (pictureType == NO_PICTURE) {
if (!synced) {
- if (LastPackHeader == 0) {
- if (pt == I_FRAME)
- synced = true;
- }
- else if (LastPackHeader > 0) {
- Skip(LastPackHeader);
- LastPackHeader = -1;
- i = 0;
- break;
+ if (pt == I_FRAME) {
+ Skip(i);
+ synced = true;
}
- else { // LastPackHeader < 0
+ else {
Skip(i + l);
i = 0;
break;
@@ -885,13 +826,15 @@ int cRecordBuffer::Synchronize(void)
if (synced)
pictureType = pt;
}
- else if (LastPackHeader > 0)
- return LastPackHeader;
else
return i;
}
+ else if (!synced) {
+ Skip(i + l);
+ i = 0;
+ break;
+ }
i += l - 1; // -1 to compensate for i++ in the loop!
- LastPackHeader = -1;
}
break;
case SC_AUDIO: i += GetPacketLength(i) - 1; // -1 to compensate for i++ in the loop!
@@ -1576,6 +1519,7 @@ bool cVideoCutter::Active(void)
// --- cDvbApi ---------------------------------------------------------------
int cDvbApi::NumDvbApis = 0;
+int cDvbApi::useDvbApi = 0;
cDvbApi *cDvbApi::dvbApi[MAXDVBAPI] = { NULL };
cDvbApi *cDvbApi::PrimaryDvbApi = NULL;
@@ -1645,6 +1589,12 @@ cDvbApi::~cDvbApi()
#endif
}
+void cDvbApi::SetUseDvbApi(int n)
+{
+ if (n < MAXDVBAPI)
+ useDvbApi |= (1 << n);
+}
+
bool cDvbApi::SetPrimaryDvbApi(int n)
{
n--;
@@ -1659,7 +1609,7 @@ bool cDvbApi::SetPrimaryDvbApi(int n)
cDvbApi *cDvbApi::GetDvbApi(int Ca, int Priority)
{
- cDvbApi *d = NULL;
+ cDvbApi *d = NULL, *dMinPriority = NULL;
int index = Ca - 1;
for (int i = MAXDVBAPI; --i >= 0; ) {
if (dvbApi[i]) {
@@ -1669,13 +1619,25 @@ cDvbApi *cDvbApi::GetDvbApi(int Ca, int Priority)
}
else if (Ca == 0) { // means any device would be acceptable
if (!d || !dvbApi[i]->Recording() || (d->Recording() && d->Priority() > dvbApi[i]->Priority()))
- d = dvbApi[i];
+ d = dvbApi[i]; // this is one that is either not currently recording or has the lowest priority
if (d && d != PrimaryDvbApi && !d->Recording()) // avoids the PrimaryDvbApi if possible
break;
+ if (d && d->Recording() && d->Priority() < Setup.PrimaryLimit && (!dMinPriority || d->Priority() < dMinPriority->Priority()))
+ dMinPriority = d; // this is the one with the lowest priority below Setup.PrimaryLimit
}
}
}
- return (d && (!d->Recording() || d->Priority() < Priority || (!d->Ca() && Ca))) ? d : NULL;
+ if (d == PrimaryDvbApi) { // the PrimaryDvbApi was the only one that was free
+ if (Priority < Setup.PrimaryLimit)
+ return NULL; // not enough priority to use the PrimaryDvbApi
+ if (dMinPriority) // there's one that must not use the PrimaryDvbApi...
+ d = dMinPriority; // ...so let's kick out that one
+ }
+ return (d // we found one...
+ && (!d->Recording() // ...that's either not currently recording...
+ || d->Priority() < Priority // ...or has a lower priority...
+ || (!d->Ca() && Ca))) // ...or doesn't need this card
+ ? d : NULL;
}
int cDvbApi::Index(void)
@@ -1691,33 +1653,34 @@ bool cDvbApi::Init(void)
{
NumDvbApis = 0;
for (int i = 0; i < MAXDVBAPI; i++) {
- char fileName[strlen(VIDEODEVICE) + 10];
- sprintf(fileName, "%s%d", VIDEODEVICE, i);
- if (access(fileName, F_OK | R_OK | W_OK) == 0) {
- dsyslog(LOG_INFO, "probing %s", fileName);
- int f = open(fileName, O_RDWR);
- if (f >= 0) {
- struct video_capability cap;
- int r = ioctl(f, VIDIOCGCAP, &cap);
- close(f);
- if (r == 0 && (cap.type & VID_TYPE_DVB)) {
- char vbiFileName[strlen(VBIDEVICE) + 10];
- sprintf(vbiFileName, "%s%d", VBIDEVICE, i);
- dvbApi[i] = new cDvbApi(fileName, vbiFileName);
- NumDvbApis++;
+ if (useDvbApi == 0 || (useDvbApi & (1 << i)) != 0) {
+ char fileName[strlen(VIDEODEVICE) + 10];
+ sprintf(fileName, "%s%d", VIDEODEVICE, i);
+ if (access(fileName, F_OK | R_OK | W_OK) == 0) {
+ dsyslog(LOG_INFO, "probing %s", fileName);
+ int f = open(fileName, O_RDWR);
+ if (f >= 0) {
+ struct video_capability cap;
+ int r = ioctl(f, VIDIOCGCAP, &cap);
+ close(f);
+ if (r == 0 && (cap.type & VID_TYPE_DVB)) {
+ char vbiFileName[strlen(VBIDEVICE) + 10];
+ sprintf(vbiFileName, "%s%d", VBIDEVICE, i);
+ dvbApi[NumDvbApis++] = new cDvbApi(fileName, vbiFileName);
+ }
+ }
+ else {
+ if (errno != ENODEV)
+ LOG_ERROR_STR(fileName);
+ break;
}
}
else {
- if (errno != ENODEV)
+ if (errno != ENOENT)
LOG_ERROR_STR(fileName);
break;
}
}
- else {
- if (errno != ENOENT)
- LOG_ERROR_STR(fileName);
- break;
- }
}
PrimaryDvbApi = dvbApi[0];
if (NumDvbApis > 0) {
@@ -2168,7 +2131,7 @@ void cDvbApi::Flush(void)
#endif
}
-bool cDvbApi::SetChannel(int ChannelNumber, int FrequencyMHz, char Polarization, int Diseqc, int Srate, int Vpid, int Apid, int Ca, int Pnr)
+bool cDvbApi::SetChannel(int ChannelNumber, int FrequencyMHz, char Polarization, int Diseqc, int Srate, int Vpid, int Apid, int Tpid, int Ca, int Pnr)
{
if (videoDev >= 0) {
cThreadLock ThreadLock(siProcessor); // makes sure the siProcessor won't access the vbi-device while switching
@@ -2177,20 +2140,29 @@ bool cDvbApi::SetChannel(int ChannelNumber, int FrequencyMHz, char Polarization,
struct frontend front;
ioctl(videoDev, VIDIOCGFRONTEND, &front);
unsigned int freq = FrequencyMHz;
- front.ttk = (freq < 11700UL) ? 0 : 1;
- if (freq < 11700UL)
- freq -= Setup.LnbFrequLo;
- else
- freq -= Setup.LnbFrequHi;
- front.pnr = 0;
+ if (front.type == FRONT_DVBS) {
+ front.ttk = (freq < 11700UL) ? 0 : 1;
+ if (freq < 11700UL) {
+ freq -= Setup.LnbFrequLo;
+ front.ttk = 0;
+ }
+ else {
+ freq -= Setup.LnbFrequHi;
+ front.ttk = 1;
+ }
+ }
+ front.channel_flags = Ca ? DVB_CHANNEL_CA : DVB_CHANNEL_FTA;
+ front.pnr = Pnr;
front.freq = freq * 1000000UL;
front.diseqc = Diseqc;
front.srate = Srate * 1000;
front.volt = (Polarization == 'v' || Polarization == 'V') ? 0 : 1;
front.video_pid = Vpid;
front.audio_pid = Apid;
+ front.tt_pid = Tpid;
front.fec = 8;
front.AFC = 1;
+ front.qam = 2;
ioctl(videoDev, VIDIOCSFRONTEND, &front);
if (front.sync & 0x1F == 0x1F) {
if (this == PrimaryDvbApi && siProcessor)
@@ -2198,11 +2170,11 @@ bool cDvbApi::SetChannel(int ChannelNumber, int FrequencyMHz, char Polarization,
currentChannel = ChannelNumber;
// If this DVB card can't receive this channel, let's see if we can
// use the card that actually can receive it and transfer data from there:
- if (Ca && Ca != Index() + 1) {
+ if (this == PrimaryDvbApi && Ca && Ca != Index() + 1) {
cDvbApi *CaDvbApi = GetDvbApi(Ca, 0);
if (CaDvbApi) {
if (!CaDvbApi->Recording()) {
- if (CaDvbApi->SetChannel(ChannelNumber, FrequencyMHz, Polarization, Diseqc, Srate, Vpid, Apid, Ca, Pnr))
+ if (CaDvbApi->SetChannel(ChannelNumber, FrequencyMHz, Polarization, Diseqc, Srate, Vpid, Apid, Tpid, Ca, Pnr))
transferringFromDvbApi = CaDvbApi->StartTransfer(videoDev);
}
}
@@ -2403,7 +2375,25 @@ cEITScanner::cEITScanner(void)
{
lastScan = lastActivity = time(NULL);
currentChannel = 0;
- lastChannel = 1;
+ lastChannel = 0;
+ numTransponders = 0;
+ transponders = NULL;
+}
+
+cEITScanner::~cEITScanner()
+{
+ delete transponders;
+}
+
+bool cEITScanner::TransponderScanned(cChannel *Channel)
+{
+ for (int i = 0; i < numTransponders; i++) {
+ if (transponders[i] == Channel->frequency)
+ return true;
+ }
+ transponders = (int *)realloc(transponders, ++numTransponders * sizeof(int));
+ transponders[numTransponders - 1] = Channel->frequency;
+ return false;
}
void cEITScanner::Activity(void)
@@ -2417,7 +2407,7 @@ void cEITScanner::Activity(void)
void cEITScanner::Process(void)
{
- if (Channels.MaxNumber() > 1) {
+ if (Setup.EPGScanTimeout && Channels.MaxNumber() > 1) {
time_t now = time(NULL);
if (now - lastScan > ScanTimeout && now - lastActivity > ActivityTimeout) {
for (int i = 0; i < cDvbApi::NumDvbApis; i++) {
@@ -2428,10 +2418,12 @@ void cEITScanner::Process(void)
int oldCh = lastChannel;
int ch = oldCh + 1;
while (ch != oldCh) {
- if (ch > Channels.MaxNumber())
+ if (ch > Channels.MaxNumber()) {
ch = 1;
+ numTransponders = 0;
+ }
cChannel *Channel = Channels.GetByNumber(ch);
- if (Channel && Channel->pnr) {
+ if (Channel && Channel->pnr && !TransponderScanned(Channel)) {
if (DvbApi == cDvbApi::PrimaryDvbApi && !currentChannel)
currentChannel = DvbApi->Channel();
Channel->Switch(DvbApi, false);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 10:16:06 +0000