take defaultac3 back into account when choosing defaultAudioStream. defaultac3 will...
authorFelix Domke <tmbinc@elitedvb.net>
Sat, 25 Aug 2007 01:47:40 +0000 (01:47 +0000)
committerFelix Domke <tmbinc@elitedvb.net>
Sat, 25 Aug 2007 01:47:40 +0000 (01:47 +0000)
lib/dvb/pmt.cpp

index c295df3..e940e58 100644 (file)
@@ -14,6 +14,7 @@
 #include <dvbsi++/stream_identifier_descriptor.h>
 #include <dvbsi++/subtitling_descriptor.h>
 #include <dvbsi++/teletext_descriptor.h>
+#include <lib/base/nconfig.h> // access to python config
 
 eDVBServicePMTHandler::eDVBServicePMTHandler()
        :m_ca_servicePtr(0), m_dvb_scan(0), m_decode_demux_num(0xFF)
@@ -174,6 +175,8 @@ int eDVBServicePMTHandler::getProgramInfo(struct program &program)
        program.pcrPid = -1;
        program.pmtPid = -1;
        program.textPid = -1;
+
+       int first_ac3 = -1;
        program.defaultAudioStream = 0;
 
        if ( m_service && !m_service->cacheEmpty() )
@@ -317,9 +320,15 @@ int eDVBServicePMTHandler::getProgramInfo(struct program &program)
                                        if (isaudio)
                                        {
                                                audio.pid = (*es)->getPid();
-                                               if ( !program.audioStreams.empty() &&
-                                                       ( audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg) )
+
+                                                       /* if we find the cached pids, this will be our default stream */
+                                               if (audio.pid == cached_apid_ac3 || audio.pid == cached_apid_mpeg)
                                                        program.defaultAudioStream = program.audioStreams.size();
+
+                                                       /* also, we need to know the first non-mpeg (i.e. "ac3"/dts/...) stream */
+                                               if ((audio.type != audioStream::atMPEG) && ((first_ac3 == -1) || (audio.pid == cached_apid_ac3)))
+                                                       first_ac3 = program.audioStreams.size();
+
                                                program.audioStreams.push_back(audio);
                                        }
                                        else if (isvideo)
@@ -347,6 +356,21 @@ int eDVBServicePMTHandler::getProgramInfo(struct program &program)
                                }
                        }
                        ret = 0;
+
+
+                       /* finally some fixup: if our default audio stream is an MPEG audio stream, 
+                          and we have 'defaultac3' set, use the first available ac3 stream instead.
+                          (note: if an ac3 audio stream was selected before, this will be also stored
+                          in 'fisrt_ac3', so we don't need to worry. */
+                       bool defaultac3 = false;
+                       std::string default_ac3;
+
+                       if (!ePythonConfigQuery::getConfigValue("config.av.defaultac3", default_ac3))
+                               defaultac3 = default_ac3 == "True";
+
+                       if (defaultac3 && (first_ac3 != -1))
+                               program.defaultAudioStream = first_ac3;
+
                        m_cached_program = program;
                        m_have_cached_program = true;
                }