decoder: switch off audio in trickmodes

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

diff --git a/lib/dvb/decoder.cpp b/lib/dvb/decoder.cpp
index 835f434e1f10160f9393669fba5f9e02498d4aba..7bdb3062b97dcdd4bcfce17bc532a47300c32f08 100644 (file)
--- a/lib/dvb/decoder.cpp
+++ b/lib/dvb/decoder.cpp
@@ -125,7 +125,7 @@ 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 +191,13 @@ 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 +226,24 @@ 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)
@@ -289,6 +306,12 @@ DEFINE_REF(eTSMPEGDecoder);
 int eTSMPEGDecoder::setState()
 {
        int res = 0;
+       
+       int noaudio = m_is_sm || m_is_ff || m_is_trickmode;
+       
+       if ((noaudio && m_audio) || (!m_audio && !noaudio))
+               m_changed |= changeAudio;
+       
 #if HAVE_DVB_API_VERSION < 3
        if (m_changed & changeAudio && m_audio)
                m_audio->stopPid();
@@ -342,11 +365,16 @@ int eTSMPEGDecoder::setState()
 #else
        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))
                        {
@@ -377,7 +405,7 @@ int eTSMPEGDecoder::setState()
                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))
@@ -395,6 +423,7 @@ 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()
@@ -477,9 +506,28 @@ 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 +555,10 @@ void eTSMPEGDecoder::demux_event(int event)
                break;
        }
 }
+
+RESULT eTSMPEGDecoder::setTrickmode(int what)
+{
+       m_is_trickmode = what;
+       setState();
+       return 0;
+}