demux: adaptive: allow implementations to preparse

modules/demux/adaptive/PlaylistManager.cpp

@@ -158,6 +158,8 @@ bool PlaylistManager::init(bool b_preparsing)
     playlist->playbackStart.Set(time(nullptr));
     nextPlaylistupdate = playlist->playbackStart.Get();
 
+    if(b_preparsing)
+        preparsePlaylist();
     updateControlsPosition();
 
     return true;
@@ -413,6 +415,11 @@ bool PlaylistManager::updatePlaylist()
     return true;
 }
 
+void PlaylistManager::preparsePlaylist()
+{
+
+}
+
 Times PlaylistManager::getTimes(bool b_first) const
 {
     vlc_mutex_locker locker(&demux.lock);

modules/demux/adaptive/PlaylistManager.h

@@ -68,6 +68,7 @@ namespace adaptive
             virtual bool needsUpdate() const;
             virtual bool updatePlaylist();
             virtual void scheduleNextUpdate();
+            virtual void preparsePlaylist();
 
             /* static callbacks */
             static int control_callback(demux_t *, int, va_list);
@@ -107,6 +108,7 @@ namespace adaptive
             demux_t                             *p_demux;
             std::vector<AbstractStream *>        streams;
             BasePeriod                          *currentPeriod;
+            bool                                 b_preparsing;
 
             enum class TimestampSynchronizationPoint
             {
@@ -154,7 +156,6 @@ namespace adaptive
             bool         b_buffering;
             bool         b_canceled;
             vlc_tick_t   pause_start;
-            bool         b_preparsing;
     };
 
 }

modules/demux/adaptive/Streams.cpp

@@ -724,7 +724,7 @@ bool AbstractStream::getMediaAdvanceAmount(vlc_tick_t *duration) const
     return true;
 }
 
-bool AbstractStream::runUpdates()
+bool AbstractStream::runUpdates(bool b_preparsing)
 {
     if(!valid)
         return false;

modules/demux/adaptive/Streams.hpp

@@ -101,7 +101,7 @@ namespace adaptive
         virtual bool setPosition(const StreamPosition &, bool);
         bool getMediaPlaybackTimes(vlc_tick_t *, vlc_tick_t *, vlc_tick_t *) const;
         bool getMediaAdvanceAmount(vlc_tick_t *) const;
-        bool runUpdates();
+        bool runUpdates(bool = false);
 
         /* Used by demuxers fake streams */
         virtual block_t *readNextBlock() override;