add possibility to set per service ac3/pcm delay (not yet via gui)

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

diff --git a/lib/dvb/decoder.cpp b/lib/dvb/decoder.cpp
index 362289f3196dc20cd2c29a73a78a37c2847e3501..a05c837c9a10ae5cf4f5f51e0253d602066e182e 100644 (file)
--- a/lib/dvb/decoder.cpp
+++ b/lib/dvb/decoder.cpp
@@ -530,6 +530,37 @@ int eTSMPEGDecoder::setState()
        return res;
 }
 
+int eTSMPEGDecoder::m_pcm_delay=-1,
+       eTSMPEGDecoder::m_ac3_delay=-1;
+
+RESULT eTSMPEGDecoder::setPCMDelay(int delay)
+{
+       if (m_decoder == 0 && delay != m_pcm_delay )
+       {
+               FILE *fp = fopen("/proc/stb/audio/audio_delay_pcm", "w");
+               if (fp)
+               {
+                       fprintf(fp, "%x", delay*90);
+                       fclose(fp);
+                       m_pcm_delay = delay;
+               }
+       }
+}
+
+RESULT eTSMPEGDecoder::setAC3Delay(int delay)
+{
+       if ( m_decoder == 0 && delay != m_ac3_delay )
+       {
+               FILE *fp = fopen("/proc/stb/audio/audio_delay_bitstream", "w");
+               if (fp)
+               {
+                       fprintf(fp, "%x", delay*90);
+                       fclose(fp);
+                       m_ac3_delay = delay;
+               }
+       }
+}
+
 eTSMPEGDecoder::eTSMPEGDecoder(eDVBDemux *demux, int decoder): m_demux(demux), m_changed(0), m_decoder(decoder)
 {
        demux->connectEvent(slot(*this, &eTSMPEGDecoder::demux_event), m_demux_event);
@@ -565,15 +596,30 @@ RESULT eTSMPEGDecoder::setAudioPID(int apid, int type)
        return 0;
 }
 
+int eTSMPEGDecoder::m_audio_channel = -1;
+
 RESULT eTSMPEGDecoder::setAudioChannel(int channel)
 {
-       if (m_audio)
-               m_audio->setChannel(channel);
-       else
-               eDebug("eTSMPEGDecoder::setAudioChannel but no audio decoder exist");
+       if (channel == -1)
+               channel = ac_stereo;
+       if (m_decoder == 0 && m_audio_channel != channel)
+       {
+               if (m_audio)
+               {
+                       m_audio->setChannel(channel);
+                       m_audio_channel=channel;
+               }
+               else
+                       eDebug("eTSMPEGDecoder::setAudioChannel but no audio decoder exist");
+       }
        return 0;
 }
 
+int eTSMPEGDecoder::getAudioChannel()
+{
+       return m_audio_channel == -1 ? ac_stereo : m_audio_channel;
+}
+
 RESULT eTSMPEGDecoder::setSyncPCR(int pcrpid)
 {
        if (m_pcrpid != pcrpid)