From e4985f604a411eb3e953182a0f72030654de3329 Mon Sep 17 00:00:00 2001
From: Tsukasa Sugiura <t.sugiura0204@gmail.com>
Date: Thu, 1 Dec 2016 00:55:00 +0900
Subject: [PATCH] Add support image save parameters in VideoWriter

Add support image save parameters in cv::VideoWriter.
This change will become available setting same parameters as
cv::imwrite() to cv::VideoWriter::set( cv::IMWRITE_*, value ).
---
 modules/videoio/src/cap_images.cpp | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/modules/videoio/src/cap_images.cpp b/modules/videoio/src/cap_images.cpp
index e379561..922a576 100644
--- a/modules/videoio/src/cap_images.cpp
+++ b/modules/videoio/src/cap_images.cpp
@@ -332,18 +332,20 @@ public:
 
     virtual bool open( const char* _filename );
     virtual void close();
+    virtual bool setProperty( int, double );
     virtual bool writeFrame( const IplImage* );
 
 protected:
     char* filename;
     unsigned currentframe;
+    std::vector<int> params;
 };
 
 bool CvVideoWriter_Images::writeFrame( const IplImage* image )
 {
     char str[_MAX_PATH];
     sprintf(str, filename, currentframe);
-    int ret = cvSaveImage(str, image);
+    int ret = cvSaveImage(str, image, &params[0]);
 
     currentframe++;
 
@@ -358,6 +360,7 @@ void CvVideoWriter_Images::close()
         filename = 0;
     }
     currentframe = 0;
+    params.clear();
 }
 
 
@@ -380,6 +383,15 @@ bool CvVideoWriter_Images::open( const char* _filename )
     }
 
     currentframe = offset;
+    params.clear();
+    return true;
+}
+
+
+bool CvVideoWriter_Images::setProperty( int id, double value )
+{
+    params.push_back( id );
+    params.push_back( static_cast<int>( value ) );
     return true;
 }
 
-- 
2.7.4