From ddba77229796e0129f36bb17b2a289f75740fabf Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <alexander.alekhin@intel.com>
Date: Thu, 31 May 2018 14:07:22 +0300
Subject: [PATCH] videoio: fix isOpened() method for legacy APIs, fix "index"
 API list

---
 modules/videoio/src/cap.cpp              | 2 +-
 modules/videoio/src/videoio_registry.cpp | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/videoio/src/cap.cpp b/modules/videoio/src/cap.cpp
index 693f32e6f2..c1ee87a15a 100644
--- a/modules/videoio/src/cap.cpp
+++ b/modules/videoio/src/cap.cpp
@@ -169,7 +169,7 @@ bool VideoCapture::isOpened() const
 {
     if (!icap.empty())
         return icap->isOpened();
-    return !icap.empty();  // legacy interface doesn't support closed files
+    return !cap.empty();  // legacy interface doesn't support closed files
 }
 
 void VideoCapture::release()
diff --git a/modules/videoio/src/videoio_registry.cpp b/modules/videoio/src/videoio_registry.cpp
index 484ebe30bc..c994c71a48 100644
--- a/modules/videoio/src/videoio_registry.cpp
+++ b/modules/videoio/src/videoio_registry.cpp
@@ -288,7 +288,7 @@ namespace videoio_registry {
 
 std::vector<VideoBackendInfo> getAvailableBackends_CaptureByIndex()
 {
-    const std::vector<VideoBackendInfo> result = VideoBackendRegistry::getInstance().getAvailableBackends_CaptureByFilename();
+    const std::vector<VideoBackendInfo> result = VideoBackendRegistry::getInstance().getAvailableBackends_CaptureByIndex();
     return result;
 }
 std::vector<VideoBackendInfo> getAvailableBackends_CaptureByFilename()