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

diff --git a/lib/dvb/decoder.cpp b/lib/dvb/decoder.cpp
index 835f434e1f10160f9393669fba5f9e02498d4aba..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 
@@ -125,7 +124,7 @@ void eDVBAudio::freeze()
        if (::ioctl(m_fd, AUDIO_PAUSE) < 0)
                eDebug("video: AUDIO_PAUSE: %m");
 }
-       
+
 void eDVBAudio::unfreeze()
 {
        if (::ioctl(m_fd, AUDIO_CONTINUE) < 0)
@@ -191,12 +190,13 @@ int eDVBVideo::startPid(int pid)
        
 void eDVBVideo::stop()
 {
-       if (::ioctl(m_fd, VIDEO_STOP, 1) < 0)
-               eWarning("video: VIDEO_STOP: %m");
 #if HAVE_DVB_API_VERSION > 2
        if (::ioctl(m_fd_demux, DMX_STOP) < 0)
                eWarning("video: DMX_STOP: %m");
 #endif
+       eDebug("VIDEO_STOP");
+       if (::ioctl(m_fd, VIDEO_STOP, 1) < 0)
+               eWarning("video: VIDEO_STOP: %m");
 }
 
 #if HAVE_DVB_API_VERSION < 3
@@ -225,8 +225,24 @@ void eDVBVideo::unfreeze()
                eDebug("video: VIDEO_CONTINUE: %m");
 }
        
+int eDVBVideo::setSlowMotion(int repeat)
+{
+       m_is_slow_motion = repeat;
+       return ::ioctl(m_fd, VIDEO_SLOWMOTION, repeat);
+}
+
+int eDVBVideo::setFastForward(int skip)
+{
+       m_is_fast_forward = skip;
+       return ::ioctl(m_fd, VIDEO_FAST_FORWARD, skip);
+}
+       
 eDVBVideo::~eDVBVideo()
 {
+       if (m_is_slow_motion)
+               setSlowMotion(0);
+       if (m_is_fast_forward)
+               setFastForward(0);
        if (m_fd >= 0)
                ::close(m_fd);
        if (m_fd_demux >= 0)
@@ -284,11 +300,72 @@ 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()
 {
        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();
@@ -340,22 +417,6 @@ int eTSMPEGDecoder::setState()
                m_changed &= ~changeAudio;
        }
 #else
-       if (m_changed & changeVideo)
-       {
-               if (m_video)
-                       m_video->stop();
-               m_video = 0;
-               if ((m_vpid >= 0) && (m_vpid < 0x1FFF))
-               {
-                       m_video = new eDVBVideo(m_demux, 0);
-                       if (m_video->startPid(m_vpid))
-                       {
-                               eWarning("video: startpid failed!");
-                               res = -1;
-                       }
-               }
-               m_changed &= ~changeVideo;
-       }
        if (m_changed & changePCR)
        {
                if (m_pcr)
@@ -372,12 +433,33 @@ int eTSMPEGDecoder::setState()
                }
                m_changed &= ~changePCR;
        }
+       if (m_changed & changeVideo)
+       {
+               eDebug("VIDEO CHANGED (to %04x)", m_vpid);
+               if (m_video)
+               {       
+                       eDebug("STOP");
+                       m_video->stop();
+               }
+               m_video = 0;
+               if ((m_vpid >= 0) && (m_vpid < 0x1FFF))
+               {
+                       eDebug("new video");
+                       m_video = new eDVBVideo(m_demux, 0);
+                       if (m_video->startPid(m_vpid))
+                       {
+                               eWarning("video: startpid failed!");
+                               res = -1;
+                       }
+               }
+               m_changed &= ~changeVideo;
+       }
        if (m_changed & changeAudio)
        {
                if (m_audio)
                        m_audio->stop();
                m_audio = 0;
-               if ((m_apid >= 0) && (m_apid < 0x1FFF))
+               if ((m_apid >= 0) && (m_apid < 0x1FFF) && !noaudio)
                {
                        m_audio = new eDVBAudio(m_demux, 0);
                        if (m_audio->startPid(m_apid, m_atype))
@@ -388,6 +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;
 }
@@ -395,6 +493,7 @@ int eTSMPEGDecoder::setState()
 eTSMPEGDecoder::eTSMPEGDecoder(eDVBDemux *demux, int decoder): m_demux(demux), m_changed(0)
 {
        demux->connectEvent(slot(*this, &eTSMPEGDecoder::demux_event), m_demux_event);
+       m_is_ff = m_is_sm = m_is_trickmode = 0;
 }
 
 eTSMPEGDecoder::~eTSMPEGDecoder()
@@ -435,6 +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;
@@ -477,9 +586,28 @@ RESULT eTSMPEGDecoder::setPictureSkipMode(int what)
        return -1;
 }
 
+RESULT eTSMPEGDecoder::setFastForward(int frames_to_skip)
+{
+       m_is_ff = frames_to_skip != 0;
+       
+       setState();
+       
+       if (m_video)
+               return m_video->setFastForward(frames_to_skip);
+       else
+               return -1;
+}
+
 RESULT eTSMPEGDecoder::setSlowMotion(int repeat)
 {
-       return -1;
+       m_is_sm = repeat != 0;
+       
+       setState();
+       
+       if (m_video)
+               return m_video->setSlowMotion(repeat);
+       else
+               return -1;
 }
 
 RESULT eTSMPEGDecoder::setZoom(int what)
@@ -507,3 +635,10 @@ void eTSMPEGDecoder::demux_event(int event)
                break;
        }
 }
+
+RESULT eTSMPEGDecoder::setTrickmode(int what)
+{
+       m_is_trickmode = what;
+       setState();
+       return 0;
+}