From 639819a0e5610ec3b31d65d626ec871ed1d5f287 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Florian=20Mei=C3=9Fner?= <developer@mystler.eu>
Date: Wed, 29 Oct 2014 15:06:22 +0100
Subject: [PATCH] Choose tracks based on language, if possible

---
 .../pfMoviePlayer/plMoviePlayer.cpp           | 24 ++++++++++++-------
 .../FeatureLib/pfMoviePlayer/plMoviePlayer.h  |  1 +
 .../PubUtilLib/plResMgr/plLocalization.cpp    | 11 +++++++++
 .../PubUtilLib/plResMgr/plLocalization.h      |  3 +++
 4 files changed, 31 insertions(+), 8 deletions(-)

diff --git a/Sources/Plasma/FeatureLib/pfMoviePlayer/plMoviePlayer.cpp b/Sources/Plasma/FeatureLib/pfMoviePlayer/plMoviePlayer.cpp
index be33308b..95ee77e2 100644
--- a/Sources/Plasma/FeatureLib/pfMoviePlayer/plMoviePlayer.cpp
+++ b/Sources/Plasma/FeatureLib/pfMoviePlayer/plMoviePlayer.cpp
@@ -53,15 +53,16 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
 #   define WEBM_CODECID_OPUS "A_OPUS"
 #endif
 
+#include "hsResMgr.h"
+#include "hsTimer.h"
+#include "plAudio/plWin32VideoSound.h"
 #include "plGImage/plMipmap.h"
 #include "pnKeyedObject/plUoid.h"
 #include "plPipeline/hsGDeviceRef.h"
 #include "plPipeline/plPlates.h"
-#include "plPlanarImage.h"
-#include "hsResMgr.h"
-#include "hsTimer.h"
-#include "plAudio/plWin32VideoSound.h"
+#include "plResMgr/plLocalization.h"
 
+#include "plPlanarImage.h"
 #include "webm/mkvreader.hpp"
 #include "webm/mkvparser.hpp"
 
@@ -224,8 +225,7 @@ bool plMoviePlayer::IOpenMovie()
     SAFE_OP(seg->Load(), "load segment from webm");
     fSegment.reset(seg);
 
-    // TODO: Figure out video and audio based on current language
-    //       For now... just take the first one.
+    // Use first tracks unless another one matches the current game language
     const mkvparser::Tracks* tracks = fSegment->GetTracks();
     for (uint32_t i = 0; i < tracks->GetTracksCount(); ++i)
     {
@@ -237,13 +237,13 @@ bool plMoviePlayer::IOpenMovie()
         {
         case mkvparser::Track::kAudio:
             {
-                if (!fAudioTrack)
+                if (!fAudioTrack || ICheckLanguage(track))
                     fAudioTrack.reset(new TrackMgr(track));
                 break;
             }
         case mkvparser::Track::kVideo:
             {
-                if (!fVideoTrack)
+                if (!fVideoTrack || ICheckLanguage(track))
                     fVideoTrack.reset(new TrackMgr(track));
                 break;
             }
@@ -255,6 +255,14 @@ bool plMoviePlayer::IOpenMovie()
 #endif
 }
 
+bool plMoviePlayer::ICheckLanguage(const mkvparser::Track* track)
+{
+    auto codes = plLocalization::GetLanguageCodes(plLocalization::GetLanguage());
+    if (codes.find(track->GetLanguage()) != codes.end())
+        return true;
+    return false;
+}
+
 void plMoviePlayer::IProcessVideoFrame(const std::vector<blkbuf_t>& frames)
 {
 #ifdef VIDEO_AVAILABLE
diff --git a/Sources/Plasma/FeatureLib/pfMoviePlayer/plMoviePlayer.h b/Sources/Plasma/FeatureLib/pfMoviePlayer/plMoviePlayer.h
index 59c11e26..62a48494 100644
--- a/Sources/Plasma/FeatureLib/pfMoviePlayer/plMoviePlayer.h
+++ b/Sources/Plasma/FeatureLib/pfMoviePlayer/plMoviePlayer.h
@@ -87,6 +87,7 @@ protected:
     bool fPaused;
 
     bool IOpenMovie();
+    bool ICheckLanguage(const mkvparser::Track* track);
     void IProcessVideoFrame(const std::vector<blkbuf_t>& frames);
     void IProcessAudioFrame(const std::vector<blkbuf_t>& frames);
 
diff --git a/Sources/Plasma/PubUtilLib/plResMgr/plLocalization.cpp b/Sources/Plasma/PubUtilLib/plResMgr/plLocalization.cpp
index cc6c17da..fcf58329 100644
--- a/Sources/Plasma/PubUtilLib/plResMgr/plLocalization.cpp
+++ b/Sources/Plasma/PubUtilLib/plResMgr/plLocalization.cpp
@@ -56,6 +56,17 @@ const char* plLocalization::fLangTags[] =
 };
 const int kLangTagLen = 4;
 
+// ISO 639, e.g. used in video tracks
+std::set<plString> plLocalization::fLangCodes[] =
+{
+    {"eng", "en"},
+    {"fre", "fra", "fr"},
+    {"ger", "deu", "de"},
+    {"spa", "es"},
+    {"ita", "it"},
+    {"jpn", "ja"}
+};
+
 const char* plLocalization::fLangNames[] =
 {
     "English", // kEnglish
diff --git a/Sources/Plasma/PubUtilLib/plResMgr/plLocalization.h b/Sources/Plasma/PubUtilLib/plResMgr/plLocalization.h
index c474562b..980b32e3 100644
--- a/Sources/Plasma/PubUtilLib/plResMgr/plLocalization.h
+++ b/Sources/Plasma/PubUtilLib/plResMgr/plLocalization.h
@@ -44,6 +44,7 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
 
 #include <vector>
 #include <string>
+#include <set>
 #include "plFileSystem.h"
 
 class plLocalization
@@ -78,6 +79,7 @@ public:
 protected:
     static Language fLanguage;
     static const char* fLangTags[kNumLanguages];
+    static std::set<plString> fLangCodes[kNumLanguages];
     static const char* fLangNames[kNumLanguages];
     static bool fUsesUnicode[kNumLanguages];
     static encodingTypes fUnicodeEncoding[kNumLanguages];
@@ -89,6 +91,7 @@ public:
     static Language GetLanguage() { return fLanguage; }
 
     static const char* GetLanguageName(Language lang) { return fLangNames[lang]; }
+    static std::set<plString> GetLanguageCodes(Language lang) { return fLangCodes[lang]; }
 
     static bool UsingUnicode() { return fUsesUnicode[fLanguage]; }
     static encodingTypes UnicodeEncoding() { return fUnicodeEncoding[fLanguage]; }