mirror of
https://github.com/VDR4Arch/vdr.git
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1210 lines
39 KiB
C
1210 lines
39 KiB
C
/*
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* dvbdevice.c: The DVB device interface
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*
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* See the main source file 'vdr.c' for copyright information and
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* how to reach the author.
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*
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* $Id: dvbdevice.c 1.160 2006/08/14 09:38:32 kls Exp $
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*/
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#include "dvbdevice.h"
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#include <errno.h>
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#include <limits.h>
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#include <linux/videodev.h>
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#include <linux/dvb/audio.h>
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#include <linux/dvb/dmx.h>
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#include <linux/dvb/frontend.h>
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#include <linux/dvb/video.h>
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#include <sys/ioctl.h>
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#include <sys/mman.h>
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#include "channels.h"
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#include "diseqc.h"
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#include "dvbosd.h"
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#include "eitscan.h"
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#include "player.h"
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#include "receiver.h"
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#include "status.h"
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#include "transfer.h"
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#define DO_REC_AND_PLAY_ON_PRIMARY_DEVICE 1
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#define DO_MULTIPLE_RECORDINGS 1
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//#define DO_MULTIPLE_CA_CHANNELS
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#define DEV_VIDEO "/dev/video"
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#define DEV_DVB_ADAPTER "/dev/dvb/adapter"
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#define DEV_DVB_OSD "osd"
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#define DEV_DVB_FRONTEND "frontend"
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#define DEV_DVB_DVR "dvr"
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#define DEV_DVB_DEMUX "demux"
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#define DEV_DVB_VIDEO "video"
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#define DEV_DVB_AUDIO "audio"
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#define DEV_DVB_CA "ca"
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#define DVBS_TUNE_TIMEOUT 9000 //ms
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#define DVBS_LOCK_TIMEOUT 2000 //ms
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#define DVBC_TUNE_TIMEOUT 9000 //ms
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#define DVBC_LOCK_TIMEOUT 2000 //ms
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#define DVBT_TUNE_TIMEOUT 9000 //ms
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#define DVBT_LOCK_TIMEOUT 2000 //ms
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class cDvbName {
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private:
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char buffer[PATH_MAX];
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public:
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cDvbName(const char *Name, int n) {
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snprintf(buffer, sizeof(buffer), "%s%d/%s%d", DEV_DVB_ADAPTER, n, Name, 0);
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}
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const char *operator*() { return buffer; }
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};
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static int DvbOpen(const char *Name, int n, int Mode, bool ReportError = false)
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{
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const char *FileName = *cDvbName(Name, n);
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int fd = open(FileName, Mode);
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if (fd < 0 && ReportError)
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LOG_ERROR_STR(FileName);
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return fd;
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}
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// --- cDvbTuner -------------------------------------------------------------
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class cDvbTuner : public cThread {
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private:
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enum eTunerStatus { tsIdle, tsSet, tsTuned, tsLocked };
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int fd_frontend;
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int cardIndex;
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int tuneTimeout;
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int lockTimeout;
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time_t lastTimeoutReport;
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fe_type_t frontendType;
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cCiHandler *ciHandler;
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cChannel channel;
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const char *diseqcCommands;
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eTunerStatus tunerStatus;
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cMutex mutex;
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cCondVar locked;
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cCondVar newSet;
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bool GetFrontendStatus(fe_status_t &Status, int TimeoutMs = 0);
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bool SetFrontend(void);
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virtual void Action(void);
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public:
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cDvbTuner(int Fd_Frontend, int CardIndex, fe_type_t FrontendType, cCiHandler *CiHandler);
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virtual ~cDvbTuner();
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bool IsTunedTo(const cChannel *Channel) const;
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void Set(const cChannel *Channel, bool Tune);
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bool Locked(int TimeoutMs = 0);
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};
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cDvbTuner::cDvbTuner(int Fd_Frontend, int CardIndex, fe_type_t FrontendType, cCiHandler *CiHandler)
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{
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fd_frontend = Fd_Frontend;
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cardIndex = CardIndex;
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frontendType = FrontendType;
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ciHandler = CiHandler;
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tuneTimeout = 0;
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lockTimeout = 0;
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lastTimeoutReport = 0;
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diseqcCommands = NULL;
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tunerStatus = tsIdle;
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if (frontendType == FE_QPSK)
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CHECK(ioctl(fd_frontend, FE_SET_VOLTAGE, SEC_VOLTAGE_13)); // must explicitly turn on LNB power
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SetDescription("tuner on device %d", cardIndex + 1);
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Start();
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}
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cDvbTuner::~cDvbTuner()
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{
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tunerStatus = tsIdle;
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newSet.Broadcast();
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locked.Broadcast();
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Cancel(3);
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}
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bool cDvbTuner::IsTunedTo(const cChannel *Channel) const
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{
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return tunerStatus != tsIdle && channel.Source() == Channel->Source() && channel.Transponder() == Channel->Transponder();
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}
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void cDvbTuner::Set(const cChannel *Channel, bool Tune)
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{
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cMutexLock MutexLock(&mutex);
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if (Tune)
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tunerStatus = tsSet;
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channel = *Channel;
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lastTimeoutReport = 0;
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newSet.Broadcast();
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}
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bool cDvbTuner::Locked(int TimeoutMs)
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{
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bool isLocked = (tunerStatus >= tsLocked);
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if (isLocked || !TimeoutMs)
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return isLocked;
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cMutexLock MutexLock(&mutex);
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if (TimeoutMs && tunerStatus < tsLocked)
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locked.TimedWait(mutex, TimeoutMs);
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return tunerStatus >= tsLocked;
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}
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bool cDvbTuner::GetFrontendStatus(fe_status_t &Status, int TimeoutMs)
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{
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if (TimeoutMs) {
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cPoller Poller(fd_frontend);
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if (Poller.Poll(TimeoutMs)) {
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dvb_frontend_event Event;
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while (ioctl(fd_frontend, FE_GET_EVENT, &Event) == 0)
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; // just to clear the event queue - we'll read the actual status below
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}
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}
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do {
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int stat = ioctl(fd_frontend, FE_READ_STATUS, &Status);
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if (stat == 0)
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return true;
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if (stat < 0) {
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if (errno == EINTR)
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continue;
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}
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} while (0);
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return false;
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}
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static unsigned int FrequencyToHz(unsigned int f)
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{
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while (f && f < 1000000)
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f *= 1000;
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return f;
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}
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bool cDvbTuner::SetFrontend(void)
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{
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dvb_frontend_parameters Frontend;
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memset(&Frontend, 0, sizeof(Frontend));
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switch (frontendType) {
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case FE_QPSK: { // DVB-S
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unsigned int frequency = channel.Frequency();
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if (Setup.DiSEqC) {
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cDiseqc *diseqc = Diseqcs.Get(channel.Source(), channel.Frequency(), channel.Polarization());
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if (diseqc) {
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if (diseqc->Commands() && (!diseqcCommands || strcmp(diseqcCommands, diseqc->Commands()) != 0)) {
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cDiseqc::eDiseqcActions da;
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for (char *CurrentAction = NULL; (da = diseqc->Execute(&CurrentAction)) != cDiseqc::daNone; ) {
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switch (da) {
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case cDiseqc::daNone: break;
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case cDiseqc::daToneOff: CHECK(ioctl(fd_frontend, FE_SET_TONE, SEC_TONE_OFF)); break;
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case cDiseqc::daToneOn: CHECK(ioctl(fd_frontend, FE_SET_TONE, SEC_TONE_ON)); break;
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case cDiseqc::daVoltage13: CHECK(ioctl(fd_frontend, FE_SET_VOLTAGE, SEC_VOLTAGE_13)); break;
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case cDiseqc::daVoltage18: CHECK(ioctl(fd_frontend, FE_SET_VOLTAGE, SEC_VOLTAGE_18)); break;
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case cDiseqc::daMiniA: CHECK(ioctl(fd_frontend, FE_DISEQC_SEND_BURST, SEC_MINI_A)); break;
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case cDiseqc::daMiniB: CHECK(ioctl(fd_frontend, FE_DISEQC_SEND_BURST, SEC_MINI_B)); break;
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case cDiseqc::daCodes: {
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int n = 0;
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uchar *codes = diseqc->Codes(n);
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if (codes) {
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struct dvb_diseqc_master_cmd cmd;
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memcpy(cmd.msg, codes, min(n, int(sizeof(cmd.msg))));
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cmd.msg_len = n;
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CHECK(ioctl(fd_frontend, FE_DISEQC_SEND_MASTER_CMD, &cmd));
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}
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}
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break;
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}
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}
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diseqcCommands = diseqc->Commands();
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}
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frequency -= diseqc->Lof();
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}
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else {
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esyslog("ERROR: no DiSEqC parameters found for channel %d", channel.Number());
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return false;
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}
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}
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else {
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int tone = SEC_TONE_OFF;
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if (frequency < (unsigned int)Setup.LnbSLOF) {
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frequency -= Setup.LnbFrequLo;
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tone = SEC_TONE_OFF;
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}
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else {
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frequency -= Setup.LnbFrequHi;
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tone = SEC_TONE_ON;
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}
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int volt = (channel.Polarization() == 'v' || channel.Polarization() == 'V' || channel.Polarization() == 'r' || channel.Polarization() == 'R') ? SEC_VOLTAGE_13 : SEC_VOLTAGE_18;
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CHECK(ioctl(fd_frontend, FE_SET_VOLTAGE, volt));
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CHECK(ioctl(fd_frontend, FE_SET_TONE, tone));
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}
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frequency = abs(frequency); // Allow for C-band, where the frequency is less than the LOF
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Frontend.frequency = frequency * 1000UL;
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Frontend.inversion = fe_spectral_inversion_t(channel.Inversion());
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Frontend.u.qpsk.symbol_rate = channel.Srate() * 1000UL;
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Frontend.u.qpsk.fec_inner = fe_code_rate_t(channel.CoderateH());
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tuneTimeout = DVBS_TUNE_TIMEOUT;
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lockTimeout = DVBS_LOCK_TIMEOUT;
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}
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break;
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case FE_QAM: { // DVB-C
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// Frequency and symbol rate:
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Frontend.frequency = FrequencyToHz(channel.Frequency());
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Frontend.inversion = fe_spectral_inversion_t(channel.Inversion());
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Frontend.u.qam.symbol_rate = channel.Srate() * 1000UL;
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Frontend.u.qam.fec_inner = fe_code_rate_t(channel.CoderateH());
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Frontend.u.qam.modulation = fe_modulation_t(channel.Modulation());
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tuneTimeout = DVBC_TUNE_TIMEOUT;
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lockTimeout = DVBC_LOCK_TIMEOUT;
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}
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break;
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case FE_OFDM: { // DVB-T
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// Frequency and OFDM paramaters:
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Frontend.frequency = FrequencyToHz(channel.Frequency());
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Frontend.inversion = fe_spectral_inversion_t(channel.Inversion());
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Frontend.u.ofdm.bandwidth = fe_bandwidth_t(channel.Bandwidth());
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Frontend.u.ofdm.code_rate_HP = fe_code_rate_t(channel.CoderateH());
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Frontend.u.ofdm.code_rate_LP = fe_code_rate_t(channel.CoderateL());
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Frontend.u.ofdm.constellation = fe_modulation_t(channel.Modulation());
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Frontend.u.ofdm.transmission_mode = fe_transmit_mode_t(channel.Transmission());
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Frontend.u.ofdm.guard_interval = fe_guard_interval_t(channel.Guard());
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Frontend.u.ofdm.hierarchy_information = fe_hierarchy_t(channel.Hierarchy());
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tuneTimeout = DVBT_TUNE_TIMEOUT;
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lockTimeout = DVBT_LOCK_TIMEOUT;
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}
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break;
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default:
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esyslog("ERROR: attempt to set channel with unknown DVB frontend type");
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return false;
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}
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if (ioctl(fd_frontend, FE_SET_FRONTEND, &Frontend) < 0) {
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esyslog("ERROR: frontend %d: %m", cardIndex);
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return false;
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}
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return true;
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}
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void cDvbTuner::Action(void)
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{
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cTimeMs Timer;
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bool LostLock = false;
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fe_status_t Status = (fe_status_t)0;
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while (Running()) {
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fe_status_t NewStatus;
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if (GetFrontendStatus(NewStatus, 10))
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Status = NewStatus;
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cMutexLock MutexLock(&mutex);
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switch (tunerStatus) {
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case tsIdle:
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break;
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case tsSet:
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tunerStatus = SetFrontend() ? tsTuned : tsIdle;
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Timer.Set(tuneTimeout);
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continue;
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case tsTuned:
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if (Timer.TimedOut()) {
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tunerStatus = tsSet;
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diseqcCommands = NULL;
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if (time(NULL) - lastTimeoutReport > 60) { // let's not get too many of these
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isyslog("frontend %d timed out while tuning to channel %d, tp %d", cardIndex, channel.Number(), channel.Transponder());
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lastTimeoutReport = time(NULL);
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}
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continue;
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}
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case tsLocked:
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if (Status & FE_REINIT) {
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tunerStatus = tsSet;
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diseqcCommands = NULL;
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isyslog("frontend %d was reinitialized", cardIndex);
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lastTimeoutReport = 0;
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continue;
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}
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else if (Status & FE_HAS_LOCK) {
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if (LostLock) {
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isyslog("frontend %d regained lock on channel %d, tp %d", cardIndex, channel.Number(), channel.Transponder());
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LostLock = false;
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}
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tunerStatus = tsLocked;
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locked.Broadcast();
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lastTimeoutReport = 0;
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}
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else if (tunerStatus == tsLocked) {
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LostLock = true;
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isyslog("frontend %d lost lock on channel %d, tp %d", cardIndex, channel.Number(), channel.Transponder());
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tunerStatus = tsTuned;
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Timer.Set(lockTimeout);
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lastTimeoutReport = 0;
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continue;
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}
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}
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if (ciHandler)
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ciHandler->Process();
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if (tunerStatus != tsTuned)
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newSet.TimedWait(mutex, 1000);
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}
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}
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// --- cDvbDevice ------------------------------------------------------------
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int cDvbDevice::devVideoOffset = -1;
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int cDvbDevice::setTransferModeForDolbyDigital = 1;
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cDvbDevice::cDvbDevice(int n)
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{
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dvbTuner = NULL;
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frontendType = fe_type_t(-1); // don't know how else to initialize this - there is no FE_UNKNOWN
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spuDecoder = NULL;
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digitalAudio = false;
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playMode = pmNone;
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// Devices that are present on all card types:
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int fd_frontend = DvbOpen(DEV_DVB_FRONTEND, n, O_RDWR | O_NONBLOCK);
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// Devices that are only present on cards with decoders:
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fd_osd = DvbOpen(DEV_DVB_OSD, n, O_RDWR);
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fd_video = DvbOpen(DEV_DVB_VIDEO, n, O_RDWR | O_NONBLOCK);
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fd_audio = DvbOpen(DEV_DVB_AUDIO, n, O_RDWR | O_NONBLOCK);
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fd_stc = DvbOpen(DEV_DVB_DEMUX, n, O_RDWR);
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// The DVR device (will be opened and closed as needed):
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fd_dvr = -1;
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// The offset of the /dev/video devices:
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if (devVideoOffset < 0) { // the first one checks this
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FILE *f = NULL;
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char buffer[PATH_MAX];
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for (int ofs = 0; ofs < 100; ofs++) {
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snprintf(buffer, sizeof(buffer), "/proc/video/dev/video%d", ofs);
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if ((f = fopen(buffer, "r")) != NULL) {
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if (fgets(buffer, sizeof(buffer), f)) {
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if (strstr(buffer, "DVB Board")) { // found the _first_ DVB card
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devVideoOffset = ofs;
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dsyslog("video device offset is %d", devVideoOffset);
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break;
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}
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}
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else
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break;
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fclose(f);
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}
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else
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break;
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}
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if (devVideoOffset < 0)
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devVideoOffset = 0;
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if (f)
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fclose(f);
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}
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devVideoIndex = (devVideoOffset >= 0 && HasDecoder()) ? devVideoOffset++ : -1;
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// Video format:
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SetVideoFormat(Setup.VideoFormat);
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|
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// We only check the devices that must be present - the others will be checked before accessing them://XXX
|
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if (fd_frontend >= 0) {
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dvb_frontend_info feinfo;
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if (ioctl(fd_frontend, FE_GET_INFO, &feinfo) >= 0) {
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frontendType = feinfo.type;
|
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ciHandler = cCiHandler::CreateCiHandler(*cDvbName(DEV_DVB_CA, n));
|
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dvbTuner = new cDvbTuner(fd_frontend, CardIndex(), frontendType, ciHandler);
|
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}
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else
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LOG_ERROR;
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}
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else
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esyslog("ERROR: can't open DVB device %d", n);
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|
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StartSectionHandler();
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}
|
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|
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cDvbDevice::~cDvbDevice()
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{
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delete spuDecoder;
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delete dvbTuner;
|
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// We're not explicitly closing any device files here, since this sometimes
|
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// caused segfaults. Besides, the program is about to terminate anyway...
|
||
}
|
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|
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bool cDvbDevice::Probe(const char *FileName)
|
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{
|
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if (access(FileName, F_OK) == 0) {
|
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dsyslog("probing %s", FileName);
|
||
int f = open(FileName, O_RDONLY);
|
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if (f >= 0) {
|
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close(f);
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return true;
|
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}
|
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else if (errno != ENODEV && errno != EINVAL)
|
||
LOG_ERROR_STR(FileName);
|
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}
|
||
else if (errno != ENOENT)
|
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LOG_ERROR_STR(FileName);
|
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return false;
|
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}
|
||
|
||
bool cDvbDevice::Initialize(void)
|
||
{
|
||
int found = 0;
|
||
int i;
|
||
for (i = 0; i < MAXDVBDEVICES; i++) {
|
||
if (UseDevice(NextCardIndex())) {
|
||
if (Probe(*cDvbName(DEV_DVB_FRONTEND, i))) {
|
||
new cDvbDevice(i);
|
||
found++;
|
||
}
|
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else
|
||
break;
|
||
}
|
||
else
|
||
NextCardIndex(1); // skips this one
|
||
}
|
||
NextCardIndex(MAXDVBDEVICES - i); // skips the rest
|
||
if (found > 0)
|
||
isyslog("found %d video device%s", found, found > 1 ? "s" : "");
|
||
else
|
||
isyslog("no DVB device found");
|
||
return found > 0;
|
||
}
|
||
|
||
void cDvbDevice::MakePrimaryDevice(bool On)
|
||
{
|
||
if (HasDecoder())
|
||
new cDvbOsdProvider(fd_osd);
|
||
}
|
||
|
||
bool cDvbDevice::HasDecoder(void) const
|
||
{
|
||
return fd_video >= 0 && fd_audio >= 0;
|
||
}
|
||
|
||
bool cDvbDevice::Ready(void)
|
||
{
|
||
if (ciHandler) {
|
||
ciHandler->Process();
|
||
return ciHandler->Ready();
|
||
}
|
||
return true;
|
||
}
|
||
|
||
int cDvbDevice::ProvidesCa(const cChannel *Channel) const
|
||
{
|
||
int NumCams = 0;
|
||
if (ciHandler) {
|
||
NumCams = ciHandler->NumCams();
|
||
if (Channel->Ca() >= CA_ENCRYPTED_MIN) {
|
||
unsigned short ids[MAXCAIDS + 1];
|
||
for (int i = 0; i <= MAXCAIDS; i++) // '<=' copies the terminating 0!
|
||
ids[i] = Channel->Ca(i);
|
||
if (ciHandler->ProvidesCa(ids))
|
||
return NumCams + 1;
|
||
}
|
||
}
|
||
int result = cDevice::ProvidesCa(Channel);
|
||
if (result > 0)
|
||
result += NumCams;
|
||
return result;
|
||
}
|
||
|
||
cSpuDecoder *cDvbDevice::GetSpuDecoder(void)
|
||
{
|
||
if (!spuDecoder && IsPrimaryDevice())
|
||
spuDecoder = new cDvbSpuDecoder();
|
||
return spuDecoder;
|
||
}
|
||
|
||
uchar *cDvbDevice::GrabImage(int &Size, bool Jpeg, int Quality, int SizeX, int SizeY)
|
||
{
|
||
if (devVideoIndex < 0)
|
||
return NULL;
|
||
char buffer[PATH_MAX];
|
||
snprintf(buffer, sizeof(buffer), "%s%d", DEV_VIDEO, devVideoIndex);
|
||
int videoDev = open(buffer, O_RDWR);
|
||
if (videoDev >= 0) {
|
||
uchar *result = NULL;
|
||
struct video_mbuf mbuf;
|
||
if (ioctl(videoDev, VIDIOCGMBUF, &mbuf) == 0) {
|
||
int msize = mbuf.size;
|
||
unsigned char *mem = (unsigned char *)mmap(0, msize, PROT_READ | PROT_WRITE, MAP_SHARED, videoDev, 0);
|
||
if (mem && mem != (unsigned char *)-1) {
|
||
// set up the size and RGB
|
||
struct video_capability vc;
|
||
if (ioctl(videoDev, VIDIOCGCAP, &vc) == 0) {
|
||
struct video_mmap vm;
|
||
vm.frame = 0;
|
||
if ((SizeX > 0) && (SizeX <= vc.maxwidth) &&
|
||
(SizeY > 0) && (SizeY <= vc.maxheight)) {
|
||
vm.width = SizeX;
|
||
vm.height = SizeY;
|
||
}
|
||
else {
|
||
vm.width = vc.maxwidth;
|
||
vm.height = vc.maxheight;
|
||
}
|
||
vm.format = VIDEO_PALETTE_RGB24;
|
||
if (ioctl(videoDev, VIDIOCMCAPTURE, &vm) == 0 && ioctl(videoDev, VIDIOCSYNC, &vm.frame) == 0) {
|
||
// make RGB out of BGR:
|
||
int memsize = vm.width * vm.height;
|
||
unsigned char *mem1 = mem;
|
||
for (int i = 0; i < memsize; i++) {
|
||
unsigned char tmp = mem1[2];
|
||
mem1[2] = mem1[0];
|
||
mem1[0] = tmp;
|
||
mem1 += 3;
|
||
}
|
||
|
||
if (Quality < 0)
|
||
Quality = 100;
|
||
|
||
dsyslog("grabbing to %s %d %d %d", Jpeg ? "JPEG" : "PNM", Quality, vm.width, vm.height);
|
||
if (Jpeg) {
|
||
// convert to JPEG:
|
||
result = RgbToJpeg(mem, vm.width, vm.height, Size, Quality);
|
||
if (!result)
|
||
esyslog("ERROR: failed to convert image to JPEG");
|
||
}
|
||
else {
|
||
// convert to PNM:
|
||
char buf[32];
|
||
snprintf(buf, sizeof(buf), "P6\n%d\n%d\n255\n", vm.width, vm.height);
|
||
int l = strlen(buf);
|
||
int bytes = memsize * 3;
|
||
Size = l + bytes;
|
||
result = MALLOC(uchar, Size);
|
||
if (result) {
|
||
memcpy(result, buf, l);
|
||
memcpy(result + l, mem, bytes);
|
||
}
|
||
else
|
||
esyslog("ERROR: failed to convert image to PNM");
|
||
}
|
||
}
|
||
}
|
||
munmap(mem, msize);
|
||
}
|
||
else
|
||
esyslog("ERROR: failed to memmap video device");
|
||
}
|
||
close(videoDev);
|
||
return result;
|
||
}
|
||
else
|
||
LOG_ERROR_STR(buffer);
|
||
return NULL;
|
||
}
|
||
|
||
void cDvbDevice::SetVideoDisplayFormat(eVideoDisplayFormat VideoDisplayFormat)
|
||
{
|
||
cDevice::SetVideoDisplayFormat(VideoDisplayFormat);
|
||
if (HasDecoder()) {
|
||
if (Setup.VideoFormat) {
|
||
CHECK(ioctl(fd_video, VIDEO_SET_DISPLAY_FORMAT, VIDEO_LETTER_BOX));
|
||
}
|
||
else {
|
||
switch (VideoDisplayFormat) {
|
||
case vdfPanAndScan:
|
||
CHECK(ioctl(fd_video, VIDEO_SET_DISPLAY_FORMAT, VIDEO_PAN_SCAN));
|
||
break;
|
||
case vdfLetterBox:
|
||
CHECK(ioctl(fd_video, VIDEO_SET_DISPLAY_FORMAT, VIDEO_LETTER_BOX));
|
||
break;
|
||
case vdfCenterCutOut:
|
||
CHECK(ioctl(fd_video, VIDEO_SET_DISPLAY_FORMAT, VIDEO_CENTER_CUT_OUT));
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
void cDvbDevice::SetVideoFormat(bool VideoFormat16_9)
|
||
{
|
||
if (HasDecoder()) {
|
||
CHECK(ioctl(fd_video, VIDEO_SET_FORMAT, VideoFormat16_9 ? VIDEO_FORMAT_16_9 : VIDEO_FORMAT_4_3));
|
||
SetVideoDisplayFormat(eVideoDisplayFormat(Setup.VideoDisplayFormat));
|
||
}
|
||
}
|
||
|
||
eVideoSystem cDvbDevice::GetVideoSystem(void)
|
||
{
|
||
eVideoSystem VideoSystem = vsPAL;
|
||
video_size_t vs;
|
||
if (ioctl(fd_video, VIDEO_GET_SIZE, &vs) == 0) {
|
||
if (vs.h == 480 || vs.h == 240)
|
||
VideoSystem = vsNTSC;
|
||
}
|
||
else
|
||
LOG_ERROR;
|
||
return VideoSystem;
|
||
}
|
||
|
||
bool cDvbDevice::SetAudioBypass(bool On)
|
||
{
|
||
if (setTransferModeForDolbyDigital != 1)
|
||
return false;
|
||
return ioctl(fd_audio, AUDIO_SET_BYPASS_MODE, On) == 0;
|
||
}
|
||
|
||
// ptAudio ptVideo ptPcr ptTeletext ptDolby ptOther
|
||
dmx_pes_type_t PesTypes[] = { DMX_PES_AUDIO, DMX_PES_VIDEO, DMX_PES_PCR, DMX_PES_TELETEXT, DMX_PES_OTHER, DMX_PES_OTHER };
|
||
|
||
bool cDvbDevice::SetPid(cPidHandle *Handle, int Type, bool On)
|
||
{
|
||
if (Handle->pid) {
|
||
dmx_pes_filter_params pesFilterParams;
|
||
memset(&pesFilterParams, 0, sizeof(pesFilterParams));
|
||
if (On) {
|
||
if (Handle->handle < 0) {
|
||
Handle->handle = DvbOpen(DEV_DVB_DEMUX, CardIndex(), O_RDWR | O_NONBLOCK, true);
|
||
if (Handle->handle < 0) {
|
||
LOG_ERROR;
|
||
return false;
|
||
}
|
||
}
|
||
pesFilterParams.pid = Handle->pid;
|
||
pesFilterParams.input = DMX_IN_FRONTEND;
|
||
pesFilterParams.output = (Type <= ptTeletext && Handle->used <= 1) ? DMX_OUT_DECODER : DMX_OUT_TS_TAP;
|
||
pesFilterParams.pes_type= PesTypes[Type < ptOther ? Type : ptOther];
|
||
pesFilterParams.flags = DMX_IMMEDIATE_START;
|
||
if (ioctl(Handle->handle, DMX_SET_PES_FILTER, &pesFilterParams) < 0) {
|
||
LOG_ERROR;
|
||
return false;
|
||
}
|
||
}
|
||
else if (!Handle->used) {
|
||
CHECK(ioctl(Handle->handle, DMX_STOP));
|
||
if (Type <= ptTeletext) {
|
||
pesFilterParams.pid = 0x1FFF;
|
||
pesFilterParams.input = DMX_IN_FRONTEND;
|
||
pesFilterParams.output = DMX_OUT_DECODER;
|
||
pesFilterParams.pes_type= PesTypes[Type];
|
||
pesFilterParams.flags = DMX_IMMEDIATE_START;
|
||
CHECK(ioctl(Handle->handle, DMX_SET_PES_FILTER, &pesFilterParams));
|
||
if (PesTypes[Type] == DMX_PES_VIDEO) // let's only do this once
|
||
SetPlayMode(pmNone); // necessary to switch a PID from DMX_PES_VIDEO/AUDIO to DMX_PES_OTHER
|
||
}
|
||
close(Handle->handle);
|
||
Handle->handle = -1;
|
||
}
|
||
}
|
||
return true;
|
||
}
|
||
|
||
int cDvbDevice::OpenFilter(u_short Pid, u_char Tid, u_char Mask)
|
||
{
|
||
const char *FileName = *cDvbName(DEV_DVB_DEMUX, CardIndex());
|
||
int f = open(FileName, O_RDWR | O_NONBLOCK);
|
||
if (f >= 0) {
|
||
dmx_sct_filter_params sctFilterParams;
|
||
memset(&sctFilterParams, 0, sizeof(sctFilterParams));
|
||
sctFilterParams.pid = Pid;
|
||
sctFilterParams.timeout = 0;
|
||
sctFilterParams.flags = DMX_IMMEDIATE_START;
|
||
sctFilterParams.filter.filter[0] = Tid;
|
||
sctFilterParams.filter.mask[0] = Mask;
|
||
if (ioctl(f, DMX_SET_FILTER, &sctFilterParams) >= 0)
|
||
return f;
|
||
else {
|
||
esyslog("ERROR: can't set filter (pid=%d, tid=%02X, mask=%02X): %m", Pid, Tid, Mask);
|
||
close(f);
|
||
}
|
||
}
|
||
else
|
||
esyslog("ERROR: can't open filter handle on '%s'", FileName);
|
||
return -1;
|
||
}
|
||
|
||
void cDvbDevice::TurnOffLiveMode(bool LiveView)
|
||
{
|
||
if (LiveView) {
|
||
// Avoid noise while switching:
|
||
CHECK(ioctl(fd_audio, AUDIO_SET_MUTE, true));
|
||
CHECK(ioctl(fd_video, VIDEO_SET_BLANK, true));
|
||
CHECK(ioctl(fd_audio, AUDIO_CLEAR_BUFFER));
|
||
CHECK(ioctl(fd_video, VIDEO_CLEAR_BUFFER));
|
||
}
|
||
|
||
// Turn off live PIDs:
|
||
|
||
DetachAll(pidHandles[ptAudio].pid);
|
||
DetachAll(pidHandles[ptVideo].pid);
|
||
DetachAll(pidHandles[ptPcr].pid);
|
||
DetachAll(pidHandles[ptTeletext].pid);
|
||
DelPid(pidHandles[ptAudio].pid);
|
||
DelPid(pidHandles[ptVideo].pid);
|
||
DelPid(pidHandles[ptPcr].pid, ptPcr);
|
||
DelPid(pidHandles[ptTeletext].pid);
|
||
DelPid(pidHandles[ptDolby].pid);
|
||
}
|
||
|
||
bool cDvbDevice::ProvidesSource(int Source) const
|
||
{
|
||
int type = Source & cSource::st_Mask;
|
||
return type == cSource::stNone
|
||
|| type == cSource::stCable && frontendType == FE_QAM
|
||
|| type == cSource::stSat && frontendType == FE_QPSK
|
||
|| type == cSource::stTerr && frontendType == FE_OFDM;
|
||
}
|
||
|
||
bool cDvbDevice::ProvidesTransponder(const cChannel *Channel) const
|
||
{
|
||
return ProvidesSource(Channel->Source()) && (!cSource::IsSat(Channel->Source()) || !Setup.DiSEqC || Diseqcs.Get(Channel->Source(), Channel->Frequency(), Channel->Polarization()));
|
||
}
|
||
|
||
bool cDvbDevice::ProvidesChannel(const cChannel *Channel, int Priority, bool *NeedsDetachReceivers) const
|
||
{
|
||
bool result = false;
|
||
bool hasPriority = Priority < 0 || Priority > this->Priority();
|
||
bool needsDetachReceivers = false;
|
||
|
||
if (ProvidesSource(Channel->Source()) && ProvidesCa(Channel)) {
|
||
result = hasPriority;
|
||
if (Priority >= 0 && Receiving(true)) {
|
||
if (dvbTuner->IsTunedTo(Channel)) {
|
||
if (Channel->Vpid() && !HasPid(Channel->Vpid()) || Channel->Apid(0) && !HasPid(Channel->Apid(0))) {
|
||
#ifdef DO_MULTIPLE_RECORDINGS
|
||
#ifndef DO_MULTIPLE_CA_CHANNELS
|
||
if (Ca() >= CA_ENCRYPTED_MIN || Channel->Ca() >= CA_ENCRYPTED_MIN)
|
||
needsDetachReceivers = Ca() != Channel->Ca();
|
||
else
|
||
#endif
|
||
if (!IsPrimaryDevice())
|
||
result = true;
|
||
#ifdef DO_REC_AND_PLAY_ON_PRIMARY_DEVICE
|
||
else
|
||
result = Priority >= Setup.PrimaryLimit;
|
||
#endif
|
||
#endif
|
||
}
|
||
else
|
||
result = !IsPrimaryDevice() || Priority >= Setup.PrimaryLimit;
|
||
}
|
||
else
|
||
needsDetachReceivers = true;
|
||
}
|
||
}
|
||
if (NeedsDetachReceivers)
|
||
*NeedsDetachReceivers = needsDetachReceivers;
|
||
return result;
|
||
}
|
||
|
||
bool cDvbDevice::IsTunedToTransponder(const cChannel *Channel)
|
||
{
|
||
return dvbTuner->IsTunedTo(Channel);
|
||
}
|
||
|
||
bool cDvbDevice::SetChannelDevice(const cChannel *Channel, bool LiveView)
|
||
{
|
||
bool DoTune = !dvbTuner->IsTunedTo(Channel);
|
||
|
||
bool TurnOffLivePIDs = HasDecoder()
|
||
&& (DoTune
|
||
|| !IsPrimaryDevice()
|
||
|| LiveView // for a new live view the old PIDs need to be turned off
|
||
|| pidHandles[ptVideo].pid == Channel->Vpid() // for recording the PIDs must be shifted from DMX_PES_AUDIO/VIDEO to DMX_PES_OTHER
|
||
);
|
||
|
||
bool StartTransferMode = IsPrimaryDevice() && !DoTune
|
||
&& (LiveView && HasPid(Channel->Vpid() ? Channel->Vpid() : Channel->Apid(0)) && (pidHandles[ptVideo].pid != Channel->Vpid() || (pidHandles[ptAudio].pid != Channel->Apid(0) && (Channel->Dpid(0) ? pidHandles[ptAudio].pid != Channel->Dpid(0) : true)))// the PID is already set as DMX_PES_OTHER
|
||
|| !LiveView && (pidHandles[ptVideo].pid == Channel->Vpid() || pidHandles[ptAudio].pid == Channel->Apid(0)) // a recording is going to shift the PIDs from DMX_PES_AUDIO/VIDEO to DMX_PES_OTHER
|
||
);
|
||
|
||
bool TurnOnLivePIDs = HasDecoder() && !StartTransferMode && LiveView;
|
||
|
||
#ifndef DO_MULTIPLE_RECORDINGS
|
||
TurnOffLivePIDs = TurnOnLivePIDs = true;
|
||
StartTransferMode = false;
|
||
#endif
|
||
|
||
// Turn off live PIDs if necessary:
|
||
|
||
if (TurnOffLivePIDs)
|
||
TurnOffLiveMode(LiveView);
|
||
|
||
// Set the tuner:
|
||
|
||
dvbTuner->Set(Channel, DoTune);
|
||
|
||
// If this channel switch was requested by the EITScanner we don't wait for
|
||
// a lock and don't set any live PIDs (the EITScanner will wait for the lock
|
||
// by itself before setting any filters):
|
||
|
||
if (EITScanner.UsesDevice(this)) //XXX
|
||
return true;
|
||
|
||
// PID settings:
|
||
|
||
if (TurnOnLivePIDs) {
|
||
SetAudioBypass(false);
|
||
if (!(AddPid(Channel->Ppid(), ptPcr) && AddPid(Channel->Vpid(), ptVideo) && AddPid(Channel->Apid(0), ptAudio))) {
|
||
esyslog("ERROR: failed to set PIDs for channel %d on device %d", Channel->Number(), CardIndex() + 1);
|
||
return false;
|
||
}
|
||
if (IsPrimaryDevice())
|
||
AddPid(Channel->Tpid(), ptTeletext);
|
||
CHECK(ioctl(fd_audio, AUDIO_SET_MUTE, true)); // actually one would expect 'false' here, but according to Marco Schl<68><6C>ler <marco@lordzodiac.de> this works
|
||
// to avoid missing audio after replaying a DVD; with 'false' there is an audio disturbance when switching
|
||
// between two channels on the same transponder on DVB-S
|
||
CHECK(ioctl(fd_audio, AUDIO_SET_AV_SYNC, true));
|
||
}
|
||
else if (StartTransferMode)
|
||
cControl::Launch(new cTransferControl(this, Channel->Vpid(), Channel->Apids(), Channel->Dpids(), Channel->Spids()));
|
||
|
||
return true;
|
||
}
|
||
|
||
bool cDvbDevice::HasLock(int TimeoutMs)
|
||
{
|
||
return dvbTuner ? dvbTuner->Locked(TimeoutMs) : false;
|
||
}
|
||
|
||
int cDvbDevice::GetAudioChannelDevice(void)
|
||
{
|
||
if (HasDecoder()) {
|
||
audio_status_t as;
|
||
CHECK(ioctl(fd_audio, AUDIO_GET_STATUS, &as));
|
||
return as.channel_select;
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
void cDvbDevice::SetAudioChannelDevice(int AudioChannel)
|
||
{
|
||
if (HasDecoder())
|
||
CHECK(ioctl(fd_audio, AUDIO_CHANNEL_SELECT, AudioChannel));
|
||
}
|
||
|
||
void cDvbDevice::SetVolumeDevice(int Volume)
|
||
{
|
||
if (HasDecoder()) {
|
||
if (digitalAudio)
|
||
Volume = 0;
|
||
audio_mixer_t am;
|
||
// conversion for linear volume response:
|
||
am.volume_left = am.volume_right = 2 * Volume - Volume * Volume / 255;
|
||
CHECK(ioctl(fd_audio, AUDIO_SET_MIXER, &am));
|
||
}
|
||
}
|
||
|
||
void cDvbDevice::SetDigitalAudioDevice(bool On)
|
||
{
|
||
if (digitalAudio != On) {
|
||
if (digitalAudio)
|
||
cCondWait::SleepMs(1000); // Wait until any leftover digital data has been flushed
|
||
digitalAudio = On;
|
||
SetVolumeDevice(On || IsMute() ? 0 : CurrentVolume());
|
||
}
|
||
}
|
||
|
||
void cDvbDevice::SetTransferModeForDolbyDigital(int Mode)
|
||
{
|
||
setTransferModeForDolbyDigital = Mode;
|
||
}
|
||
|
||
void cDvbDevice::SetAudioTrackDevice(eTrackType Type)
|
||
{
|
||
const tTrackId *TrackId = GetTrack(Type);
|
||
if (TrackId && TrackId->id) {
|
||
SetAudioBypass(false);
|
||
if (IS_AUDIO_TRACK(Type) || (IS_DOLBY_TRACK(Type) && SetAudioBypass(true))) {
|
||
if (pidHandles[ptAudio].pid && pidHandles[ptAudio].pid != TrackId->id) {
|
||
DetachAll(pidHandles[ptAudio].pid);
|
||
if (ciHandler)
|
||
ciHandler->SetPid(pidHandles[ptAudio].pid, false);
|
||
pidHandles[ptAudio].pid = TrackId->id;
|
||
SetPid(&pidHandles[ptAudio], ptAudio, true);
|
||
if (ciHandler) {
|
||
ciHandler->SetPid(pidHandles[ptAudio].pid, true);
|
||
ciHandler->StartDecrypting();
|
||
}
|
||
}
|
||
}
|
||
else if (IS_DOLBY_TRACK(Type)) {
|
||
if (setTransferModeForDolbyDigital == 0)
|
||
return;
|
||
// Currently this works only in Transfer Mode
|
||
ForceTransferMode();
|
||
}
|
||
}
|
||
}
|
||
|
||
bool cDvbDevice::CanReplay(void) const
|
||
{
|
||
#ifndef DO_REC_AND_PLAY_ON_PRIMARY_DEVICE
|
||
if (Receiving())
|
||
return false;
|
||
#endif
|
||
return cDevice::CanReplay();
|
||
}
|
||
|
||
bool cDvbDevice::SetPlayMode(ePlayMode PlayMode)
|
||
{
|
||
if (PlayMode != pmExtern_THIS_SHOULD_BE_AVOIDED && fd_video < 0 && fd_audio < 0) {
|
||
// reopen the devices
|
||
fd_video = DvbOpen(DEV_DVB_VIDEO, CardIndex(), O_RDWR | O_NONBLOCK);
|
||
fd_audio = DvbOpen(DEV_DVB_AUDIO, CardIndex(), O_RDWR | O_NONBLOCK);
|
||
SetVideoFormat(Setup.VideoFormat);
|
||
}
|
||
|
||
switch (PlayMode) {
|
||
case pmNone:
|
||
// special handling to return from PCM replay:
|
||
CHECK(ioctl(fd_video, VIDEO_SET_BLANK, true));
|
||
CHECK(ioctl(fd_video, VIDEO_SELECT_SOURCE, VIDEO_SOURCE_MEMORY));
|
||
CHECK(ioctl(fd_video, VIDEO_PLAY));
|
||
|
||
CHECK(ioctl(fd_video, VIDEO_STOP, true));
|
||
CHECK(ioctl(fd_audio, AUDIO_STOP, true));
|
||
CHECK(ioctl(fd_video, VIDEO_CLEAR_BUFFER));
|
||
CHECK(ioctl(fd_audio, AUDIO_CLEAR_BUFFER));
|
||
CHECK(ioctl(fd_video, VIDEO_SELECT_SOURCE, VIDEO_SOURCE_DEMUX));
|
||
CHECK(ioctl(fd_audio, AUDIO_SELECT_SOURCE, AUDIO_SOURCE_DEMUX));
|
||
CHECK(ioctl(fd_audio, AUDIO_SET_AV_SYNC, true));
|
||
CHECK(ioctl(fd_audio, AUDIO_SET_MUTE, false));
|
||
break;
|
||
case pmAudioVideo:
|
||
case pmAudioOnlyBlack:
|
||
if (playMode == pmNone)
|
||
TurnOffLiveMode(true);
|
||
CHECK(ioctl(fd_video, VIDEO_SET_BLANK, true));
|
||
CHECK(ioctl(fd_audio, AUDIO_SELECT_SOURCE, AUDIO_SOURCE_MEMORY));
|
||
CHECK(ioctl(fd_audio, AUDIO_SET_AV_SYNC, PlayMode == pmAudioVideo));
|
||
CHECK(ioctl(fd_audio, AUDIO_PLAY));
|
||
CHECK(ioctl(fd_video, VIDEO_SELECT_SOURCE, VIDEO_SOURCE_MEMORY));
|
||
CHECK(ioctl(fd_video, VIDEO_PLAY));
|
||
break;
|
||
case pmAudioOnly:
|
||
CHECK(ioctl(fd_video, VIDEO_SET_BLANK, true));
|
||
CHECK(ioctl(fd_audio, AUDIO_STOP, true));
|
||
CHECK(ioctl(fd_audio, AUDIO_CLEAR_BUFFER));
|
||
CHECK(ioctl(fd_audio, AUDIO_SELECT_SOURCE, AUDIO_SOURCE_MEMORY));
|
||
CHECK(ioctl(fd_audio, AUDIO_SET_AV_SYNC, false));
|
||
CHECK(ioctl(fd_audio, AUDIO_PLAY));
|
||
CHECK(ioctl(fd_video, VIDEO_SET_BLANK, false));
|
||
break;
|
||
case pmVideoOnly:
|
||
CHECK(ioctl(fd_video, VIDEO_SET_BLANK, true));
|
||
CHECK(ioctl(fd_video, VIDEO_STOP, true));
|
||
CHECK(ioctl(fd_audio, AUDIO_SELECT_SOURCE, AUDIO_SOURCE_DEMUX));
|
||
CHECK(ioctl(fd_audio, AUDIO_SET_AV_SYNC, false));
|
||
CHECK(ioctl(fd_audio, AUDIO_PLAY));
|
||
CHECK(ioctl(fd_video, VIDEO_CLEAR_BUFFER));
|
||
CHECK(ioctl(fd_video, VIDEO_SELECT_SOURCE, VIDEO_SOURCE_MEMORY));
|
||
CHECK(ioctl(fd_video, VIDEO_PLAY));
|
||
break;
|
||
case pmExtern_THIS_SHOULD_BE_AVOIDED:
|
||
close(fd_video);
|
||
close(fd_audio);
|
||
fd_video = fd_audio = -1;
|
||
break;
|
||
}
|
||
playMode = PlayMode;
|
||
return true;
|
||
}
|
||
|
||
int64_t cDvbDevice::GetSTC(void)
|
||
{
|
||
if (fd_stc >= 0) {
|
||
struct dmx_stc stc;
|
||
stc.num = 0;
|
||
if (ioctl(fd_stc, DMX_GET_STC, &stc) == -1) {
|
||
esyslog("ERROR: stc %d: %m", CardIndex() + 1);
|
||
return -1;
|
||
}
|
||
return stc.stc / stc.base;
|
||
}
|
||
return -1;
|
||
}
|
||
|
||
void cDvbDevice::TrickSpeed(int Speed)
|
||
{
|
||
if (fd_video >= 0)
|
||
CHECK(ioctl(fd_video, VIDEO_SLOWMOTION, Speed));
|
||
}
|
||
|
||
void cDvbDevice::Clear(void)
|
||
{
|
||
if (fd_video >= 0)
|
||
CHECK(ioctl(fd_video, VIDEO_CLEAR_BUFFER));
|
||
if (fd_audio >= 0)
|
||
CHECK(ioctl(fd_audio, AUDIO_CLEAR_BUFFER));
|
||
cDevice::Clear();
|
||
}
|
||
|
||
void cDvbDevice::Play(void)
|
||
{
|
||
if (playMode == pmAudioOnly || playMode == pmAudioOnlyBlack) {
|
||
if (fd_audio >= 0)
|
||
CHECK(ioctl(fd_audio, AUDIO_CONTINUE));
|
||
}
|
||
else {
|
||
if (fd_audio >= 0)
|
||
CHECK(ioctl(fd_audio, AUDIO_SET_AV_SYNC, true));
|
||
if (fd_video >= 0)
|
||
CHECK(ioctl(fd_video, VIDEO_CONTINUE));
|
||
}
|
||
cDevice::Play();
|
||
}
|
||
|
||
void cDvbDevice::Freeze(void)
|
||
{
|
||
if (playMode == pmAudioOnly || playMode == pmAudioOnlyBlack) {
|
||
if (fd_audio >= 0)
|
||
CHECK(ioctl(fd_audio, AUDIO_PAUSE));
|
||
}
|
||
else {
|
||
if (fd_audio >= 0)
|
||
CHECK(ioctl(fd_audio, AUDIO_SET_AV_SYNC, false));
|
||
if (fd_video >= 0)
|
||
CHECK(ioctl(fd_video, VIDEO_FREEZE));
|
||
}
|
||
cDevice::Freeze();
|
||
}
|
||
|
||
void cDvbDevice::Mute(void)
|
||
{
|
||
if (fd_audio >= 0) {
|
||
CHECK(ioctl(fd_audio, AUDIO_SET_AV_SYNC, false));
|
||
CHECK(ioctl(fd_audio, AUDIO_SET_MUTE, true));
|
||
}
|
||
cDevice::Mute();
|
||
}
|
||
|
||
void cDvbDevice::StillPicture(const uchar *Data, int Length)
|
||
{
|
||
if (Data[0] == 0x00 && Data[1] == 0x00 && Data[2] == 0x01 && (Data[3] & 0xF0) == 0xE0) {
|
||
// PES data
|
||
char *buf = MALLOC(char, Length);
|
||
if (!buf)
|
||
return;
|
||
int i = 0;
|
||
int blen = 0;
|
||
while (i < Length - 6) {
|
||
if (Data[i] == 0x00 && Data[i + 1] == 0x00 && Data[i + 2] == 0x01) {
|
||
int len = Data[i + 4] * 256 + Data[i + 5];
|
||
if ((Data[i + 3] & 0xF0) == 0xE0) { // video packet
|
||
// skip PES header
|
||
int offs = i + 6;
|
||
// skip header extension
|
||
if ((Data[i + 6] & 0xC0) == 0x80) {
|
||
// MPEG-2 PES header
|
||
if (Data[i + 8] >= Length)
|
||
break;
|
||
offs += 3;
|
||
offs += Data[i + 8];
|
||
len -= 3;
|
||
len -= Data[i + 8];
|
||
if (len < 0 || offs + len > Length)
|
||
break;
|
||
}
|
||
else {
|
||
// MPEG-1 PES header
|
||
while (offs < Length && len > 0 && Data[offs] == 0xFF) {
|
||
offs++;
|
||
len--;
|
||
}
|
||
if (offs <= Length - 2 && len >= 2 && (Data[offs] & 0xC0) == 0x40) {
|
||
offs += 2;
|
||
len -= 2;
|
||
}
|
||
if (offs <= Length - 5 && len >= 5 && (Data[offs] & 0xF0) == 0x20) {
|
||
offs += 5;
|
||
len -= 5;
|
||
}
|
||
else if (offs <= Length - 10 && len >= 10 && (Data[offs] & 0xF0) == 0x30) {
|
||
offs += 10;
|
||
len -= 10;
|
||
}
|
||
else if (offs < Length && len > 0) {
|
||
offs++;
|
||
len--;
|
||
}
|
||
}
|
||
if (blen + len > Length) // invalid PES length field
|
||
break;
|
||
memcpy(&buf[blen], &Data[offs], len);
|
||
i = offs + len;
|
||
blen += len;
|
||
}
|
||
else if (Data[i + 3] >= 0xBD && Data[i + 3] <= 0xDF) // other PES packets
|
||
i += len + 6;
|
||
else
|
||
i++;
|
||
}
|
||
else
|
||
i++;
|
||
}
|
||
video_still_picture sp = { buf, blen };
|
||
CHECK(ioctl(fd_video, VIDEO_STILLPICTURE, &sp));
|
||
free(buf);
|
||
}
|
||
else {
|
||
// non-PES data
|
||
video_still_picture sp = { (char *)Data, Length };
|
||
CHECK(ioctl(fd_video, VIDEO_STILLPICTURE, &sp));
|
||
}
|
||
}
|
||
|
||
bool cDvbDevice::Poll(cPoller &Poller, int TimeoutMs)
|
||
{
|
||
Poller.Add((playMode == pmAudioOnly || playMode == pmAudioOnlyBlack) ? fd_audio : fd_video, true);
|
||
return Poller.Poll(TimeoutMs);
|
||
}
|
||
|
||
bool cDvbDevice::Flush(int TimeoutMs)
|
||
{
|
||
//TODO actually this function should wait until all buffered data has been processed by the card, but how?
|
||
return true;
|
||
}
|
||
|
||
int cDvbDevice::PlayVideo(const uchar *Data, int Length)
|
||
{
|
||
return WriteAllOrNothing(fd_video, Data, Length, 1000, 10);
|
||
}
|
||
|
||
int cDvbDevice::PlayAudio(const uchar *Data, int Length, uchar Id)
|
||
{
|
||
return WriteAllOrNothing(fd_audio, Data, Length, 1000, 10);
|
||
}
|
||
|
||
bool cDvbDevice::OpenDvr(void)
|
||
{
|
||
CloseDvr();
|
||
fd_dvr = DvbOpen(DEV_DVB_DVR, CardIndex(), O_RDONLY | O_NONBLOCK, true);
|
||
if (fd_dvr >= 0)
|
||
tsBuffer = new cTSBuffer(fd_dvr, MEGABYTE(2), CardIndex() + 1);
|
||
return fd_dvr >= 0;
|
||
}
|
||
|
||
void cDvbDevice::CloseDvr(void)
|
||
{
|
||
if (fd_dvr >= 0) {
|
||
delete tsBuffer;
|
||
tsBuffer = NULL;
|
||
close(fd_dvr);
|
||
fd_dvr = -1;
|
||
}
|
||
}
|
||
|
||
bool cDvbDevice::GetTSPacket(uchar *&Data)
|
||
{
|
||
if (tsBuffer) {
|
||
Data = tsBuffer->Get();
|
||
return true;
|
||
}
|
||
return false;
|
||
}
|