From deb13f102a0773ef87310346f1755b16215e62f4 Mon Sep 17 00:00:00 2001
From: Yoann Lopes <yoann.lopes@theqtcompany.com>
Date: Fri, 17 Oct 2014 16:51:23 +0200
Subject: Add QT_GSTREAMER_CAMERABIN_VIDEOSRC environment variable.

It can be used to set which video source element should be used by
the camerabin.

Change-Id: I8d1cd8c4ba6fe5a89817699f645b0997e713aaca
Reviewed-by: Samuli Piippo <samuli.piippo@digia.com>
Reviewed-by: Christian Stromme <christian.stromme@digia.com>
---
 src/gsttools/qgstutils.cpp | 25 ++++++++++++++++++++-----
 1 file changed, 20 insertions(+), 5 deletions(-)

(limited to 'src/gsttools')

diff --git a/src/gsttools/qgstutils.cpp b/src/gsttools/qgstutils.cpp
index 8d484aa6d..556fc03cc 100644
--- a/src/gsttools/qgstutils.cpp
+++ b/src/gsttools/qgstutils.cpp
@@ -430,13 +430,15 @@ QVector<QGstUtils::CameraInfo> QGstUtils::enumerateCameras(GstElementFactory *fa
                     QStringLiteral("primary"),
                     QGstreamerVideoInputDeviceControl::primaryCamera(),
                     0,
-                    QCamera::BackFace
+                    QCamera::BackFace,
+                    QByteArray()
                 };
                 const CameraInfo secondary = {
                     QStringLiteral("secondary"),
                     QGstreamerVideoInputDeviceControl::secondaryCamera(),
                     0,
-                    QCamera::FrontFace
+                    QCamera::FrontFace,
+                    QByteArray()
                 };
 
                 devices.append(primary);
@@ -498,14 +500,17 @@ QVector<QGstUtils::CameraInfo> QGstUtils::enumerateCameras(GstElementFactory *fa
 
         if (isCamera) {
             // find out its driver "name"
+            QByteArray driver;
             QString name;
             struct v4l2_capability vcap;
             memset(&vcap, 0, sizeof(struct v4l2_capability));
 
-            if (ioctl(fd, VIDIOC_QUERYCAP, &vcap) != 0)
+            if (ioctl(fd, VIDIOC_QUERYCAP, &vcap) != 0) {
                 name = entryInfo.fileName();
-            else
+            } else {
+                driver = QByteArray((const char*)vcap.driver);
                 name = QString::fromUtf8((const char*)vcap.card);
+            }
             //qDebug() << "found camera: " << name;
 
 
@@ -513,7 +518,8 @@ QVector<QGstUtils::CameraInfo> QGstUtils::enumerateCameras(GstElementFactory *fa
                 entryInfo.absoluteFilePath(),
                 name,
                 0,
-                QCamera::UnspecifiedPosition
+                QCamera::UnspecifiedPosition,
+                driver
             };
             devices.append(device);
         }
@@ -561,6 +567,15 @@ int QGstUtils::cameraOrientation(const QString &device, GstElementFactory * fact
     return 0;
 }
 
+QByteArray QGstUtils::cameraDriver(const QString &device, GstElementFactory *factory)
+{
+    foreach (const CameraInfo &camera, enumerateCameras(factory)) {
+        if (camera.name == device)
+            return camera.driver;
+    }
+    return QByteArray();
+}
+
 
 void qt_gst_object_ref_sink(gpointer object)
 {
-- 
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