fix missing return values
[enigma2.git] / lib / dvb / dvb.cpp
index c8feccfdbe08f78837c1f11ffb2554941b4f7b59..78cef639263b79046176c181e29618e52146ac1f 100644 (file)
@@ -9,6 +9,7 @@
 #include <sys/stat.h>
 #include <unistd.h>
 #include <fcntl.h>
+#include <sys/ioctl.h>
 
 DEFINE_REF(eDVBRegisteredFrontend);
 DEFINE_REF(eDVBRegisteredDemux);
@@ -176,7 +177,6 @@ eDVBResourceManager::~eDVBResourceManager()
 {
        if (instance == this)
                instance = 0;
-
 }
 
 void eDVBResourceManager::addAdapter(iDVBAdapter *adapter)
@@ -288,7 +288,7 @@ RESULT eDVBResourceManager::allocateChannel(const eDVBChannelID &channelid, eUse
 //             return errNoDemux;
        
        RESULT res;
-       eDVBChannel *ch;
+       ePtr<eDVBChannel> ch;
        ch = new eDVBChannel(this, fe);
 
        ePtr<iDVBFrontend> myfe;
@@ -346,7 +346,6 @@ RESULT eDVBResourceManager::allocatePVRChannel(eUsePtr<iDVBPVRChannel> &channel)
 
 RESULT eDVBResourceManager::addChannel(const eDVBChannelID &chid, eDVBChannel *ch)
 {
-       eDebug("add channel %p", ch);
        m_active_channels.push_back(active_channel(chid, ch));
        /* emit */ m_channelAdded(ch);
        return 0;
@@ -404,7 +403,6 @@ eDVBChannel::~eDVBChannel()
 
 void eDVBChannel::frontendStateChanged(iDVBFrontend*fe)
 {
-       eDebug("fe state changed!");
        int state, ourstate = 0;
        
                /* if we are already in shutdown, don't change state. */
@@ -422,10 +420,14 @@ void eDVBChannel::frontendStateChanged(iDVBFrontend*fe)
        {
                eDebug("OURSTATE: tuning");
                ourstate = state_tuning;
-       } else if (state == iDVBFrontend::stateFailed)
+       } else if (state == iDVBFrontend::stateLostLock)
        {
-               eDebug("OURSTATE: failed/unavailable");
+               eDebug("OURSTATE: lost lock");
                ourstate = state_unavailable;
+       } else if (state == iDVBFrontend::stateFailed)
+       {
+               eDebug("OURSTATE: failed");
+               ourstate = state_failed;
        } else
                eFatal("state unknown");
        
@@ -475,7 +477,6 @@ RESULT eDVBChannel::setChannel(const eDVBChannelID &channelid)
                eDebug("channel not found!");
                return -ENOENT;
        }
-       eDebug("allocateChannel: channel found..");
        
        if (!m_frontend)
        {
@@ -616,3 +617,54 @@ RESULT eDVBChannel::getCurrentPosition(pts_t &pos)
        
        return 0;
 }
+
+RESULT eDVBChannel::seekTo(pts_t &pts)
+{
+#if 0
+       eDebug("eDVBChannel: seekTo .. %llx", pts);
+       m_pvr_thread->pause();
+       if (m_decoder_demux)
+               m_decoder_demux->get().flush();
+               /* demux will also flush all decoder.. */
+       
+       off_t r;
+       
+       if (!m_tstools.getPosition(pts, r));
+               m_pvr_thread->seek(r);
+       else
+               eDebug("getPosition failed!");
+       m_pvr_thread->resume();
+#endif
+       return 0;
+}
+
+RESULT eDVBChannel::seekToPosition(int relative, const off_t &r)
+{
+                       /* when seeking, we have to ensure that all buffers are flushed.
+                          there are basically 3 buffers:
+                          a.) the filepush's internal buffer
+                          b.) the PVR buffer (before demux)
+                          c.) the ratebuffer (after demux)
+                          
+                          it's important to clear them in the correct order, otherwise
+                          the ratebuffer (for example) would immediately refill from
+                          the not-yet-flushed PVR buffer.
+                       */
+       eDebug("eDVBChannel: seekToPosition .. %llx", r);
+       m_pvr_thread->pause();
+
+               /* flush internal filepush buffer */
+       m_pvr_thread->flush();
+
+               /* HACK: flush PVR buffer */
+       ::ioctl(m_pvr_fd_dst, 0);
+       
+               /* flush ratebuffers (video, audio) */
+       if (m_decoder_demux)
+               m_decoder_demux->get().flush();
+
+               /* demux will also flush all decoder.. */
+       m_pvr_thread->seek(relative ? SEEK_CUR : SEEK_SET, r);
+       m_pvr_thread->resume();
+       return 0;
+}