From cdb471e46627557f1e6dfcde919dd33c41d94e6e Mon Sep 17 00:00:00 2001
From: Flavio Tordini <flavio.tordini@gmail.com>
Date: Mon, 29 Sep 2014 16:21:53 +0200
Subject: [PATCH] Preliminary DASH work

---
 src/video.cpp | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++
 src/video.h   |  5 ++++-
 2 files changed, 58 insertions(+), 1 deletion(-)

diff --git a/src/video.cpp b/src/video.cpp
index 3c15efd..8f61dd0 100644
--- a/src/video.cpp
+++ b/src/video.cpp
@@ -23,6 +23,7 @@ $END_LICENSE */
 #include <QtNetwork>
 #include "videodefinition.h"
 #include "jsfunctions.h"
+#include "temporary.h"
 
 namespace The {
 NetworkAccess* http();
@@ -353,6 +354,19 @@ void Video::scrapeWebPage(QByteArray data) {
     fmtUrlMap.replace("\\u0026", "&");
     // parseFmtUrlMap(fmtUrlMap, true);
 
+#ifdef APP_DASH
+    QSettings settings;
+    QString definitionName = settings.value("definition", "360p").toString();
+    if (definitionName == "1080p") {
+        QRegExp dashManifestRe("\"dashmpd\":\\s*\"([^\"]+)\"");
+        if (dashManifestRe.indexIn(html) != -1) {
+            dashManifestUrl = dashManifestRe.cap(1);
+            dashManifestUrl.remove('\\');
+            qDebug() << "dashManifestUrl" << dashManifestUrl;
+        }
+    }
+#endif
+
     QRegExp jsPlayerRe("\"assets\":.+\"js\":\\s*\"([^\"]+)\"");
     if (jsPlayerRe.indexIn(html) != -1) {
         QString jsPlayerUrl = jsPlayerRe.cap(1);
@@ -424,9 +438,49 @@ void Video::parseJsPlayer(QByteArray bytes) {
         captureFunction(sigFuncName, js);
         // qWarning() << sigFunctions;
     }
+
+#ifdef APP_DASH
+    if (!dashManifestUrl.isEmpty()) {
+        QRegExp sigRe("/s/([\\w\\.]+)");
+        if (sigRe.indexIn(dashManifestUrl) != -1) {
+            qDebug() << "Decrypting signature for dash manifest";
+            QString sig = sigRe.cap(1);
+            sig = decryptSignature(sig);
+            dashManifestUrl.replace(sigRe, "/signature/" + sig);
+            qDebug() << dashManifestUrl;
+
+            m_streamUrl = dashManifestUrl;
+            this->definitionCode = 37;
+            emit gotStreamUrl(m_streamUrl);
+            loadingStreamUrl = false;
+
+            /*
+            QObject *reply = The::http()->get(QUrl::fromEncoded(dashManifestUrl.toUtf8()));
+            connect(reply, SIGNAL(data(QByteArray)), SLOT(parseDashManifest(QByteArray)));
+            connect(reply, SIGNAL(error(QNetworkReply*)), SLOT(errorVideoInfo(QNetworkReply*)));
+            */
+
+            return;
+        }
+    }
+#endif
+
     parseFmtUrlMap(fmtUrlMap, true);
 }
 
+void Video::parseDashManifest(QByteArray bytes) {
+    QFile file(Temporary::filename());
+    if (!file.open(QIODevice::WriteOnly))
+        qWarning() << file.errorString() << file.fileName();
+    QDataStream stream(&file);
+    stream.writeRawData(bytes.constData(), bytes.size());
+
+    m_streamUrl = "file://" + file.fileName();
+    this->definitionCode = 37;
+    emit gotStreamUrl(m_streamUrl);
+    loadingStreamUrl = false;
+}
+
 void Video::captureFunction(const QString &name, const QString &js) {
     QRegExp funcRe("function\\s+" + QRegExp::escape(name) + "\\s*\\([" + jsNameChars + ",\\s]*\\)\\s*\\{[^\\}]+\\}");
     if (funcRe.indexIn(js) == -1) {
diff --git a/src/video.h b/src/video.h
index d169723..48b2f1a 100644
--- a/src/video.h
+++ b/src/video.h
@@ -98,7 +98,8 @@ private slots:
     void errorVideoInfo(QNetworkReply*);
     void scrapeWebPage(QByteArray);
     void gotHeadHeaders(QNetworkReply*);
-    void parseJsPlayer(QByteArray);
+    void parseJsPlayer(QByteArray bytes);
+    void parseDashManifest(QByteArray bytes);
 
 private:
     void getVideoInfo();
@@ -138,6 +139,8 @@ private:
     QString sigFuncName;
     QHash<QString, QString> sigFunctions;
     QHash<QString, QString> sigObjects;
+
+    QString dashManifestUrl;
 };
 
 // This is required in order to use QPointer<Video> as a QVariant
-- 
2.39.5