track changing filesizes

[enigma2.git] / lib / dvb / decoder.cpp

diff --git a/lib/dvb/decoder.cpp b/lib/dvb/decoder.cpp
index 0f522b2c39ffbcc46eeb8ed0cdbf759add45bbe6..8e21dcad49887926bd41b961cddb5b1881f43b4d 100644 (file)
--- a/lib/dvb/decoder.cpp
+++ b/lib/dvb/decoder.cpp
@@ -1,4 +1,3 @@
-#include <config.h>
 #include <lib/base/eerror.h>
 #include <lib/dvb/decoder.h>
 #if HAVE_DVB_API_VERSION < 3 
@@ -301,6 +300,57 @@ eDVBPCR::~eDVBPCR()
                ::close(m_fd_demux);
 }
 
+DEFINE_REF(eDVBTText);
+
+eDVBTText::eDVBTText(eDVBDemux *demux): m_demux(demux)
+{
+       char filename[128];
+#if HAVE_DVB_API_VERSION < 3
+       sprintf(filename, "/dev/dvb/card%d/demux%d", demux->adapter, demux->demux);
+#else
+       sprintf(filename, "/dev/dvb/adapter%d/demux%d", demux->adapter, demux->demux);
+#endif
+       m_fd_demux = ::open(filename, O_RDWR);
+       if (m_fd_demux < 0)
+               eWarning("%s: %m", filename);
+}
+
+int eDVBTText::startPid(int pid)
+{
+       if (m_fd_demux < 0)
+               return -1;
+       dmx_pes_filter_params pes;
+
+       pes.pid      = pid;
+       pes.input    = DMX_IN_FRONTEND;
+       pes.output   = DMX_OUT_DECODER;
+       pes.pes_type = DMX_PES_TELETEXT;
+       pes.flags    = 0;
+       if (::ioctl(m_fd_demux, DMX_SET_PES_FILTER, &pes) < 0)
+       {
+               eWarning("video: DMX_SET_PES_FILTER: %m");
+               return -errno;
+       }
+       if (::ioctl(m_fd_demux, DMX_START) < 0)
+       {
+               eWarning("video: DMX_START: %m");
+               return -errno;
+       }
+       return 0;
+}
+
+void eDVBTText::stop()
+{
+       if (::ioctl(m_fd_demux, DMX_STOP) < 0)
+               eWarning("video: DMX_STOP: %m");
+}
+
+eDVBTText::~eDVBTText()
+{
+       if (m_fd_demux >= 0)
+               ::close(m_fd_demux);
+}
+
 DEFINE_REF(eTSMPEGDecoder);
 
 int eTSMPEGDecoder::setState()
@@ -308,10 +358,14 @@ int eTSMPEGDecoder::setState()
        int res = 0;
        
        int noaudio = m_is_sm || m_is_ff || m_is_trickmode;
-       
+       int nott = noaudio; /* actually same conditions */
+
        if ((noaudio && m_audio) || (!m_audio && !noaudio))
                m_changed |= changeAudio;
        
+       if ((nott && m_text) || (!m_text && !nott))
+               m_changed |= changeText;
+       
 #if HAVE_DVB_API_VERSION < 3
        if (m_changed & changeAudio && m_audio)
                m_audio->stopPid();
@@ -416,6 +470,22 @@ int eTSMPEGDecoder::setState()
                }
                m_changed &= ~changeAudio;
        }
+       if (m_changed & changeText)
+       {
+               if (m_text)
+                       m_text->stop();
+               m_text = 0;
+               if ((m_textpid >= 0) && (m_textpid < 0x1FFF) && !nott)
+               {
+                       m_text = new eDVBTText(m_demux);
+                       if (m_text->startPid(m_textpid))
+                       {
+                               eWarning("text: startpid failed!");
+                               res = -1;
+                       }
+               }
+               m_changed &= ~changeText;
+       }
 #endif
        return res;
 }
@@ -464,6 +534,16 @@ RESULT eTSMPEGDecoder::setSyncPCR(int pcrpid)
        return 0;
 }
 
+RESULT eTSMPEGDecoder::setTextPID(int textpid)
+{
+       if (m_textpid != textpid)
+       {
+               m_changed |= changeText;
+               m_textpid = textpid;
+       }
+       return 0;
+}
+
 RESULT eTSMPEGDecoder::setSyncMaster(int who)
 {
        return -1;