Moved support for full featured DVB cards of the TT/FuSi design into the new plugin 'dvbsddevice'

1 files changed, 798 insertions, 0 deletions

diff --git a/PLUGINS/src/dvbsddevice/dvbsdffdevice.c b/PLUGINS/src/dvbsddevice/dvbsdffdevice.c
new file mode 100644
index 00000000..797bfd33
--- /dev/null
+++ b/PLUGINS/src/dvbsddevice/dvbsdffdevice.c
@@ -0,0 +1,798 @@
+/*
+ * dvbsdffdevice.h: The DVB SD Full Featured device interface
+ *
+ * See the README file for copyright information and how to reach the author.
+ *
+ * $Id: dvbsdffdevice.c 2.23 2009/12/31 15:36:56 kls Exp $
+ */
+
+#include "dvbsdffdevice.h"
+#include <errno.h>
+#include <limits.h>
+#include <linux/videodev2.h>
+#include <linux/dvb/audio.h>
+#include <linux/dvb/dmx.h>
+#include <linux/dvb/video.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include "dvbsdffosd.h"
+#include "vdr/eitscan.h"
+#include "vdr/transfer.h"
+
+// --- cDvbSdFfDevice --------------------------------------------------------
+
+int cDvbSdFfDevice::devVideoOffset = -1;
+
+cDvbSdFfDevice::cDvbSdFfDevice(int n)
+:cDvbDevice(n)
+{
+  spuDecoder = NULL;
+  digitalAudio = false;
+  playMode = pmNone;
+
+  // Devices that are only present on cards with decoders:
+
+  fd_osd      = DvbOpen(DEV_DVB_OSD,    n, O_RDWR);
+  fd_video    = DvbOpen(DEV_DVB_VIDEO,  n, O_RDWR | O_NONBLOCK);
+  fd_audio    = DvbOpen(DEV_DVB_AUDIO,  n, O_RDWR | O_NONBLOCK);
+  fd_stc      = DvbOpen(DEV_DVB_DEMUX,  n, O_RDWR);
+
+  // The offset of the /dev/video devices:
+
+  if (devVideoOffset < 0) { // the first one checks this
+     FILE *f = NULL;
+     char buffer[PATH_MAX];
+     for (int ofs = 0; ofs < 100; ofs++) {
+         snprintf(buffer, sizeof(buffer), "/proc/video/dev/video%d", ofs);
+         if ((f = fopen(buffer, "r")) != NULL) {
+            if (fgets(buffer, sizeof(buffer), f)) {
+               if (strstr(buffer, "DVB Board")) { // found the _first_ DVB card
+                  devVideoOffset = ofs;
+                  dsyslog("video device offset is %d", devVideoOffset);
+                  break;
+                  }
+               }
+            else
+               break;
+            fclose(f);
+            }
+         else
+            break;
+         }
+     if (devVideoOffset < 0)
+        devVideoOffset = 0;
+     if (f)
+        fclose(f);
+     }
+  devVideoIndex = devVideoOffset >= 0 ? devVideoOffset++ : -1;
+
+  // Video format:
+
+  SetVideoFormat(Setup.VideoFormat);
+}
+
+cDvbSdFfDevice::~cDvbSdFfDevice()
+{
+  delete spuDecoder;
+  // We're not explicitly closing any device files here, since this sometimes
+  // caused segfaults. Besides, the program is about to terminate anyway...
+}
+
+void cDvbSdFfDevice::MakePrimaryDevice(bool On)
+{
+  if (On)
+     new cDvbOsdProvider(fd_osd);
+}
+
+bool cDvbSdFfDevice::HasDecoder(void) const
+{
+  return true;
+}
+
+cSpuDecoder *cDvbSdFfDevice::GetSpuDecoder(void)
+{
+  if (!spuDecoder && IsPrimaryDevice())
+     spuDecoder = new cDvbSpuDecoder();
+  return spuDecoder;
+}
+
+uchar *cDvbSdFfDevice::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;
+     // set up the size and RGB
+     v4l2_format fmt;
+     memset(&fmt, 0, sizeof(fmt));
+     fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+     fmt.fmt.pix.width = SizeX;
+     fmt.fmt.pix.height = SizeY;
+     fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_BGR24;
+     fmt.fmt.pix.field = V4L2_FIELD_ANY;
+     if (ioctl(videoDev, VIDIOC_S_FMT, &fmt) == 0) {
+        v4l2_requestbuffers reqBuf;
+        memset(&reqBuf, 0, sizeof(reqBuf));
+        reqBuf.count = 2;
+        reqBuf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+        reqBuf.memory = V4L2_MEMORY_MMAP;
+        if (ioctl(videoDev, VIDIOC_REQBUFS, &reqBuf) >= 0) {
+           v4l2_buffer mbuf;
+           memset(&mbuf, 0, sizeof(mbuf));
+           mbuf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+           mbuf.memory = V4L2_MEMORY_MMAP;
+           if (ioctl(videoDev, VIDIOC_QUERYBUF, &mbuf) == 0) {
+              int msize = mbuf.length;
+              unsigned char *mem = (unsigned char *)mmap(0, msize, PROT_READ | PROT_WRITE, MAP_SHARED, videoDev, 0);
+              if (mem && mem != (unsigned char *)-1) {
+                 v4l2_buffer buf;
+                 memset(&buf, 0, sizeof(buf));
+                 buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+                 buf.memory = V4L2_MEMORY_MMAP;
+                 buf.index = 0;
+                 if (ioctl(videoDev, VIDIOC_QBUF, &buf) == 0) {
+                    v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+                    if (ioctl (videoDev, VIDIOC_STREAMON, &type) == 0) {
+                       memset(&buf, 0, sizeof(buf));
+                       buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+                       buf.memory = V4L2_MEMORY_MMAP;
+                       buf.index = 0;
+                       if (ioctl(videoDev, VIDIOC_DQBUF, &buf) == 0) {
+                          if (ioctl(videoDev, VIDIOC_STREAMOFF, &type) == 0) {
+                             // make RGB out of BGR:
+                             int memsize = fmt.fmt.pix.width * fmt.fmt.pix.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, fmt.fmt.pix.width, fmt.fmt.pix.height);
+                             if (Jpeg) {
+                                // convert to JPEG:
+                                result = RgbToJpeg(mem, fmt.fmt.pix.width, fmt.fmt.pix.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", fmt.fmt.pix.width, fmt.fmt.pix.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");
+                                }
+                             }
+                          else
+                             esyslog("ERROR: video device VIDIOC_STREAMOFF failed");
+                          }
+                       else
+                          esyslog("ERROR: video device VIDIOC_DQBUF failed");
+                       }
+                    else
+                       esyslog("ERROR: video device VIDIOC_STREAMON failed");
+                    }
+                 else
+                    esyslog("ERROR: video device VIDIOC_QBUF failed");
+                 munmap(mem, msize);
+                 }
+              else
+                 esyslog("ERROR: failed to memmap video device");
+              }
+           else
+              esyslog("ERROR: video device VIDIOC_QUERYBUF failed");
+           }
+        else
+           esyslog("ERROR: video device VIDIOC_REQBUFS failed");
+        }
+     else
+        esyslog("ERROR: video device VIDIOC_S_FMT failed");
+     close(videoDev);
+     return result;
+     }
+  else
+     LOG_ERROR_STR(buffer);
+  return NULL;
+}
+
+void cDvbSdFfDevice::SetVideoDisplayFormat(eVideoDisplayFormat VideoDisplayFormat)
+{
+  cDevice::SetVideoDisplayFormat(VideoDisplayFormat);
+  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;
+       default: esyslog("ERROR: unknown video display format %d", VideoDisplayFormat);
+       }
+     }
+}
+
+void cDvbSdFfDevice::SetVideoFormat(bool VideoFormat16_9)
+{
+  CHECK(ioctl(fd_video, VIDEO_SET_FORMAT, VideoFormat16_9 ? VIDEO_FORMAT_16_9 : VIDEO_FORMAT_4_3));
+  SetVideoDisplayFormat(eVideoDisplayFormat(Setup.VideoDisplayFormat));
+}
+
+eVideoSystem cDvbSdFfDevice::GetVideoSystem(void)
+{
+  eVideoSystem VideoSystem = vsPAL;
+  if (fd_video >= 0) {
+     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;
+}
+
+void cDvbSdFfDevice::GetVideoSize(int &Width, int &Height, double &VideoAspect)
+{
+  if (fd_video >= 0) {
+     video_size_t vs;
+     if (ioctl(fd_video, VIDEO_GET_SIZE, &vs) == 0) {
+        Width = vs.w;
+        Height = vs.h;
+        switch (vs.aspect_ratio) {
+          default:
+          case VIDEO_FORMAT_4_3:   VideoAspect =  4.0 / 3.0; break;
+          case VIDEO_FORMAT_16_9:  VideoAspect = 16.0 / 9.0; break;
+          case VIDEO_FORMAT_221_1: VideoAspect =       2.21; break;
+          }
+        return;
+        }
+     else
+        LOG_ERROR;
+     }
+  cDevice::GetVideoSize(Width, Height, VideoAspect);
+}
+
+void cDvbSdFfDevice::GetOsdSize(int &Width, int &Height, double &PixelAspect)
+{
+  if (fd_video >= 0) {
+     video_size_t vs;
+     if (ioctl(fd_video, VIDEO_GET_SIZE, &vs) == 0) {
+        Width = 720;
+        if (vs.h != 480 && vs.h != 240)
+           Height = 576; // PAL
+        else
+           Height = 480; // NTSC
+        switch (Setup.VideoFormat ? vs.aspect_ratio : VIDEO_FORMAT_4_3) {
+          default:
+          case VIDEO_FORMAT_4_3:   PixelAspect =  4.0 / 3.0; break;
+          case VIDEO_FORMAT_221_1: // FF DVB cards only distinguish between 4:3 and 16:9
+          case VIDEO_FORMAT_16_9:  PixelAspect = 16.0 / 9.0; break;
+          }
+        PixelAspect /= double(Width) / Height;
+        return;
+        }
+     else
+        LOG_ERROR;
+     }
+  cDevice::GetOsdSize(Width, Height, PixelAspect);
+}
+
+bool cDvbSdFfDevice::SetAudioBypass(bool On)
+{
+  if (setTransferModeForDolbyDigital != 1)
+     return false;
+  return ioctl(fd_audio, AUDIO_SET_BYPASS_MODE, On) == 0;
+}
+
+//                                   ptAudio        ptVideo        ptPcr        ptTeletext        ptDolby        ptOther
+static dmx_pes_type_t PesTypes[] = { DMX_PES_AUDIO, DMX_PES_VIDEO, DMX_PES_PCR, DMX_PES_TELETEXT, DMX_PES_OTHER, DMX_PES_OTHER };
+
+bool cDvbSdFfDevice::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;
+}
+
+void cDvbSdFfDevice::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 cDvbSdFfDevice::SetChannelDevice(const cChannel *Channel, bool LiveView)
+{
+  int apid = Channel->Apid(0);
+  int vpid = Channel->Vpid();
+  int dpid = Channel->Dpid(0);
+
+  bool DoTune = !IsTunedToTransponder(Channel);
+
+  bool pidHandlesVideo = pidHandles[ptVideo].pid == vpid;
+  bool pidHandlesAudio = pidHandles[ptAudio].pid == apid;
+
+  bool TurnOffLivePIDs = DoTune
+                         || !IsPrimaryDevice()
+                         || LiveView // for a new live view the old PIDs need to be turned off
+                         || pidHandlesVideo // for recording the PIDs must be shifted from DMX_PES_AUDIO/VIDEO to DMX_PES_OTHER
+                         ;
+
+  bool StartTransferMode = IsPrimaryDevice() && !DoTune
+                           && (LiveView && HasPid(vpid ? vpid : apid) && (!pidHandlesVideo || (!pidHandlesAudio && (dpid ? pidHandles[ptAudio].pid != dpid : true)))// the PID is already set as DMX_PES_OTHER
+                              || !LiveView && (pidHandlesVideo || pidHandlesAudio) // a recording is going to shift the PIDs from DMX_PES_AUDIO/VIDEO to DMX_PES_OTHER
+                              );
+  if (CamSlot() && !ChannelCamRelations.CamDecrypt(Channel->GetChannelID(), CamSlot()->SlotNumber()))
+     StartTransferMode |= LiveView && IsPrimaryDevice() && Channel->Ca() >= CA_ENCRYPTED_MIN;
+
+  bool TurnOnLivePIDs = !StartTransferMode && LiveView;
+
+  // Turn off live PIDs if necessary:
+
+  if (TurnOffLivePIDs)
+     TurnOffLiveMode(LiveView);
+
+  // Set the tuner:
+
+  if (!cDvbDevice::SetChannelDevice(Channel, LiveView))
+     return false;
+
+  // 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(vpid, ptVideo) && AddPid(apid, 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 Schlüßler <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->GetChannelID(), vpid, Channel->Apids(), Channel->Dpids(), Channel->Spids()));
+
+  return true;
+}
+
+int cDvbSdFfDevice::GetAudioChannelDevice(void)
+{
+  audio_status_t as;
+  CHECK(ioctl(fd_audio, AUDIO_GET_STATUS, &as));
+  return as.channel_select;
+}
+
+void cDvbSdFfDevice::SetAudioChannelDevice(int AudioChannel)
+{
+  CHECK(ioctl(fd_audio, AUDIO_CHANNEL_SELECT, AudioChannel));
+}
+
+void cDvbSdFfDevice::SetVolumeDevice(int Volume)
+{
+  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 cDvbSdFfDevice::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 cDvbSdFfDevice::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 (CamSlot())
+              CamSlot()->SetPid(pidHandles[ptAudio].pid, false);
+           pidHandles[ptAudio].pid = TrackId->id;
+           SetPid(&pidHandles[ptAudio], ptAudio, true);
+           if (CamSlot()) {
+              CamSlot()->SetPid(pidHandles[ptAudio].pid, true);
+              CamSlot()->StartDecrypting();
+              }
+           }
+        }
+     else if (IS_DOLBY_TRACK(Type)) {
+        if (setTransferModeForDolbyDigital == 0)
+           return;
+        // Currently this works only in Transfer Mode
+        ForceTransferMode();
+        }
+     }
+}
+
+bool cDvbSdFfDevice::CanReplay(void) const
+{
+  return cDevice::CanReplay();
+}
+
+bool cDvbSdFfDevice::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;
+    default: esyslog("ERROR: unknown playmode %d", PlayMode);
+    }
+  playMode = PlayMode;
+  return true;
+}
+
+int64_t cDvbSdFfDevice::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 cDvbSdFfDevice::TrickSpeed(int Speed)
+{
+  if (fd_video >= 0)
+     CHECK(ioctl(fd_video, VIDEO_SLOWMOTION, Speed));
+}
+
+void cDvbSdFfDevice::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 cDvbSdFfDevice::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));
+        CHECK(ioctl(fd_audio, AUDIO_CONTINUE));
+        }
+     if (fd_video >= 0)
+        CHECK(ioctl(fd_video, VIDEO_CONTINUE));
+     }
+  cDevice::Play();
+}
+
+void cDvbSdFfDevice::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));
+        CHECK(ioctl(fd_audio, AUDIO_PAUSE));
+        }
+     if (fd_video >= 0)
+        CHECK(ioctl(fd_video, VIDEO_FREEZE));
+     }
+  cDevice::Freeze();
+}
+
+void cDvbSdFfDevice::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 cDvbSdFfDevice::StillPicture(const uchar *Data, int Length)
+{
+  if (!Data || Length < TS_SIZE)
+     return;
+  if (Data[0] == 0x47) {
+     // TS data
+     cDevice::StillPicture(Data, Length);
+     }
+  else 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 cDvbSdFfDevice::Poll(cPoller &Poller, int TimeoutMs)
+{
+  Poller.Add((playMode == pmAudioOnly || playMode == pmAudioOnlyBlack) ? fd_audio : fd_video, true);
+  return Poller.Poll(TimeoutMs);
+}
+
+bool cDvbSdFfDevice::Flush(int TimeoutMs)
+{
+  //TODO actually this function should wait until all buffered data has been processed by the card, but how?
+  return true;
+}
+
+int cDvbSdFfDevice::PlayVideo(const uchar *Data, int Length)
+{
+  return WriteAllOrNothing(fd_video, Data, Length, 1000, 10);
+}
+
+int cDvbSdFfDevice::PlayAudio(const uchar *Data, int Length, uchar Id)
+{
+  return WriteAllOrNothing(fd_audio, Data, Length, 1000, 10);
+}
+
+int cDvbSdFfDevice::PlayTsVideo(const uchar *Data, int Length)
+{
+  return WriteAllOrNothing(fd_video, Data, Length, 1000, 10);
+}
+
+int cDvbSdFfDevice::PlayTsAudio(const uchar *Data, int Length)
+{
+  return WriteAllOrNothing(fd_audio, Data, Length, 1000, 10);
+}
+
+// --- cDvbSdFfDeviceProbe ---------------------------------------------------
+
+bool cDvbSdFfDeviceProbe::Probe(int Adapter)
+{
+  static uint32_t SubsystemIds[] = {
+    0x110A0000, // Fujitsu Siemens DVB-C
+    0x13C20000, // Technotrend/Hauppauge WinTV DVB-S rev1.X or Fujitsu Siemens DVB-C
+    0x13C20001, // Technotrend/Hauppauge WinTV DVB-T rev1.X
+    0x13C20002, // Technotrend/Hauppauge WinTV DVB-C rev2.X
+    0x13C20003, // Technotrend/Hauppauge WinTV Nexus-S rev2.X
+    0x13C20004, // Galaxis DVB-S rev1.3
+    0x13C20006, // Fujitsu Siemens DVB-S rev1.6
+    0x13C20008, // Technotrend/Hauppauge DVB-T
+    0x13C2000A, // Technotrend/Hauppauge WinTV Nexus-CA rev1.X
+    0x13C2000E, // Technotrend/Hauppauge WinTV Nexus-S rev2.3
+    0x13C21002, // Technotrend/Hauppauge WinTV DVB-S rev1.3 SE
+    0x00000000
+    };
+  cString FileName;
+  cReadLine ReadLine;
+  FILE *f = NULL;
+  uint32_t SubsystemId = 0;
+  FileName = cString::sprintf("/sys/class/dvb/dvb%d.frontend0/device/subsystem_vendor", Adapter);
+  if ((f = fopen(FileName, "r")) != NULL) {
+     if (char *s = ReadLine.Read(f))
+        SubsystemId = strtoul(s, NULL, 0) << 16;
+     fclose(f);
+     }
+  FileName = cString::sprintf("/sys/class/dvb/dvb%d.frontend0/device/subsystem_device", Adapter);
+  if ((f = fopen(FileName, "r")) != NULL) {
+     if (char *s = ReadLine.Read(f))
+        SubsystemId |= strtoul(s, NULL, 0);
+     fclose(f);
+     }
+  for (uint32_t *sid = SubsystemIds; *sid; sid++) {
+      if (*sid == SubsystemId) {
+         dsyslog("creating cDvbSdFfDevice");
+         new cDvbSdFfDevice(Adapter);
+         return true;
+         }
+      }
+  return false; 
+}