armnn/0009-command-line-options-for-video-port-selection.patch

From ee152f3b68f91c5fff336306d011becdcf3a6b17 Mon Sep 17 00:00:00 2001
From: Djordje Senicic <x0157990@ti.com>
Date: Sat, 24 Aug 2019 17:58:38 -0400
Subject: [PATCH] command line options for video port selection

- Add command line selection <0|1|2|3> of video port used for live camera input 

Upstream-Status: Inappropriate [TI only test code]

Signed-off-by: Djordje Senicic <x0157990@ti.com>
---
 tests/ArmnnExamples/ArmnnExamples.cpp | 23 ++++++++++++++++++++---
 1 file changed, 20 insertions(+), 3 deletions(-)

diff --git a/tests/ArmnnExamples/ArmnnExamples.cpp b/tests/ArmnnExamples/ArmnnExamples.cpp
index 638fc145..d1526539 100644
--- a/tests/ArmnnExamples/ArmnnExamples.cpp
+++ b/tests/ArmnnExamples/ArmnnExamples.cpp
@@ -316,10 +316,27 @@ int MainImpl(const char* modelPath,
     int input_type = INPUT_IMAGE;
     std::string filename = inputTensorDataFilePath;
 
-    size_t i = filename.rfind("camera_live_input", filename.length());
+    size_t i  = filename.rfind("camera_live_input", filename.length());
     if (i != string::npos)
     {
-      cap = VideoCapture(1);
+      int vport = 1;
+      size_t loc_i = filename.rfind("camera_live_input0", filename.length());
+      if(loc_i != string::npos) vport = 0;
+      else {
+         loc_i = filename.rfind("camera_live_input1", filename.length());
+         if(loc_i != string::npos) vport = 1;
+         else {
+           loc_i = filename.rfind("camera_live_input2", filename.length());
+           if(loc_i != string::npos) vport = 2;
+           else {
+             loc_i = filename.rfind("camera_live_input3", filename.length());
+             if(loc_i != string::npos) vport = 3;
+             else std::cout << "Setting ports beyond 3 not supported - using default!" << std::endl;
+           }
+         }
+      }
+      std::cout << "Using video" << vport << std::endl;
+      cap = VideoCapture(vport);
       namedWindow("ARMNN MobileNet Example", WINDOW_AUTOSIZE | CV_GUI_NORMAL);
       input_type = INPUT_CAMERA; //camera input
     }
@@ -609,7 +626,7 @@ int main(int argc, const char* argv[])
        "The shape of the input tensor in the network as a flat array of integers separated by whitespace. "
        "This parameter is optional, depending on the network.")
       ("input-tensor-data,d", po::value(&inputTensorDataFilePath),
-       "Input test file name. It can be image/video clip file name or use 'camera_live_input' to select camera input.")
+       "Input test file name. It can be image/video clip file name or 'camera_live_input or camera_live_input<0|1|2|3>' to select camera input.")
       ("output-name,o", po::value(&outputName), "Identifier of the output tensor in the network.")
       ("event-based-profiling,e", po::bool_switch()->default_value(false),
        "Enables built in profiler. If unset, defaults to off.")
-- 
2.17.1