media-libs/opencv: Drop vulnerable 2.4.13-r4

Bug: https://bugs.gentoo.org/647802
Bug: https://bugs.gentoo.org/729504
Package-Manager: Portage-2.3.103, Repoman-2.3.23
Signed-off-by: Andreas Sturmlechner <asturm@gentoo.org>

9 files changed, 0 insertions, 931 deletions

diff --git a/media-libs/opencv/Manifest b/media-libs/opencv/Manifest
index f7ec8ef1be8b..079529c915c9 100644
--- a/media-libs/opencv/Manifest
+++ b/media-libs/opencv/Manifest
@@ -1,4 +1,3 @@
-DIST opencv-2.4.13.tar.gz 91669572 BLAKE2B 7f6be39e29c0db5d005cb14215fdf5955fa69c34d72c4f1e1fa8bf8de1e748a0d2fe5febb43296ef529c57e4dec8d1b6739c0c4df9e64657b9550ed382fbc4b9 SHA512 efdc4340fdf557dae44ac604c8c20f61ced89f99274264b61c2640f28741504462c6b57076e207040ca2513e3921275bdfbe6c22fc123bd50df78745e6b7bcd6
 DIST opencv-3.4.0-face_landmark_model.tar.gz 63299830 BLAKE2B 58f08cd8c030ee1c8b66e76a561fd625e112face427d001185f8d7c0eaace55adbd8474663021841a1382bfe393a210e64c51223441713cdb9156fac866a845c SHA512 2cd29ce42c08b2966db3ef4a2bc217ab3d07051819757ec6de8f3deea29e28f60abab39f101dba03f766f17018598e411bd687a7eaab0c681c113e10a2de2b23
 DIST opencv-3.4.0-res10_300x300-caffeemodel.tar.gz 10036604 BLAKE2B 2a2de48fc420f13e7be146ac88f311901c5b4e409c30e466152e33cae1f8afd87dcb6d758af447c268d90bd67989c8798cd80cab172b10499a6ad5224509dbdf SHA512 96fee9f447d5739bc01a5cab37c453cf7237457dfb5d2bf93ac37f8e5aa557ac222316f449cd58e37e856abe4d8e9d4a7820daaba32f0b22cbcde8e340287d4b
 DIST opencv-3.4.1.tar.gz 87051748 BLAKE2B 87c83ab9b3d7fb048263f047aa5d6e95b153e1a28f3e34cc885eff7eb080a2258cfa1aa494cd56b32f1098ab158c17c23fc8464fcbe70642a3a1842f2fd1b4ac SHA512 e1fc14285090c6fe9e26e721f2d67d7096650c523147e925567426ef76aa7f4c6f12035d6f6ce3ec7991a75a6828a810fd4f9b75f78ed5fcccecefbadd79944b
diff --git a/media-libs/opencv/files/opencv-2.3.1a-libav-0.7.patch b/media-libs/opencv/files/opencv-2.3.1a-libav-0.7.patch
deleted file mode 100644
index 59090703d149..000000000000
--- a/media-libs/opencv/files/opencv-2.3.1a-libav-0.7.patch
+++ /dev/null
@@ -1,10 +0,0 @@
---- OpenCV-2.3.1.orig/modules/highgui/src/cap_ffmpeg_impl.hpp	2011-11-14 05:33:37.000000000 +0100
-+++ OpenCV-2.3.1/modules/highgui/src/cap_ffmpeg_impl.hpp	2011-11-14 05:33:18.000000000 +0100
-@@ -104,6 +104,7 @@
- #endif
- #if defined(HAVE_LIBAVCODEC_AVCODEC_H)
-   #include <libavcodec/avcodec.h>
-+  #include <libavutil/mathematics.h>
- #endif
- #if defined(HAVE_LIBSWSCALE_SWSCALE_H)
-   #include <libswscale/swscale.h>
diff --git a/media-libs/opencv/files/opencv-2.4.13-gcc-6.0.patch b/media-libs/opencv/files/opencv-2.4.13-gcc-6.0.patch
deleted file mode 100644
index b0a5084752ca..000000000000
--- a/media-libs/opencv/files/opencv-2.4.13-gcc-6.0.patch
+++ /dev/null
@@ -1,23 +0,0 @@
-From fb598bb76a0431aa3a880ecfa45054c996a070fb Mon Sep 17 00:00:00 2001
-From: Maksim Shabunin <maksim.shabunin@itseez.com>
-Date: Fri, 13 May 2016 13:28:09 +0300
-Subject: [PATCH] Disabled PCH support for gcc >= 6.0.0
-
-Command line generation routine uses "-isystem" to include headers outside of "<opencv>/modules" folder, but GCC 6 does not work when passed "-isystem /usr/include" option.
----
- cmake/OpenCVPCHSupport.cmake | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/cmake/OpenCVPCHSupport.cmake b/cmake/OpenCVPCHSupport.cmake
-index 13619daf27e..e6585cae020 100644
---- a/cmake/OpenCVPCHSupport.cmake
-+++ b/cmake/OpenCVPCHSupport.cmake
-@@ -19,7 +19,7 @@ IF(CMAKE_COMPILER_IS_GNUCXX)
-         ARGS ${CMAKE_CXX_COMPILER_ARG1} -dumpversion
-         OUTPUT_VARIABLE gcc_compiler_version)
-     #MESSAGE("GCC Version: ${gcc_compiler_version}")
--    IF(gcc_compiler_version VERSION_GREATER "4.2.-1")
-+    IF(gcc_compiler_version VERSION_GREATER "4.2.-1" AND gcc_compiler_version VERSION_LESS "6.0.0")
-         SET(PCHSupport_FOUND TRUE)
-     ENDIF()
- 
diff --git a/media-libs/opencv/files/opencv-2.4.13-imgcodecs-refactoring.patch b/media-libs/opencv/files/opencv-2.4.13-imgcodecs-refactoring.patch
deleted file mode 100644
index d1bea36580fe..000000000000
--- a/media-libs/opencv/files/opencv-2.4.13-imgcodecs-refactoring.patch
+++ /dev/null
@@ -1,580 +0,0 @@
-From 72d29259ca741950527c8cca7fb649030c01f658 Mon Sep 17 00:00:00 2001
-From: Alexander Alekhin <alexander.a.alekhin@gmail.com>
-Date: Tue, 15 Aug 2017 22:04:55 +0000
-Subject: [PATCH] imgcodecs: refactoring, improve code quality
-
----
- modules/core/include/opencv2/core/core.hpp       |   3 +
- modules/core/include/opencv2/core/operations.hpp |   3 +
- modules/highgui/src/bitstrm.cpp                  |   2 +
- modules/highgui/src/bitstrm.hpp                  |  19 ++--
- modules/highgui/src/grfmt_bmp.cpp                |  13 ++-
- modules/highgui/src/grfmt_pxm.cpp                | 119 +++++++++++++---------
- modules/highgui/src/loadsave.cpp                 | 120 +++++++++++++++++++----
- 7 files changed, 207 insertions(+), 72 deletions(-)
-
-diff --git a/modules/core/include/opencv2/core/core.hpp b/modules/core/include/opencv2/core/core.hpp
-index 6bb295f5c73..86f4eb182b2 100644
---- a/modules/core/include/opencv2/core/core.hpp
-+++ b/modules/core/include/opencv2/core/core.hpp
-@@ -3248,6 +3248,9 @@ template<typename _Tp, size_t fixed_size=4096/sizeof(_Tp)+8> class AutoBuffer
-     //! returns read-only pointer to the real buffer, stack-allocated or head-allocated
-     operator const _Tp* () const;
- 
-+    //! returns number of allocated elements
-+    size_t getSize() const;
-+
- protected:
-     //! pointer to the real buffer, can point to buf if the buffer is small enough
-     _Tp* ptr;
-diff --git a/modules/core/include/opencv2/core/operations.hpp b/modules/core/include/opencv2/core/operations.hpp
-index 1b7484aded2..37fd3d97c7a 100644
---- a/modules/core/include/opencv2/core/operations.hpp
-+++ b/modules/core/include/opencv2/core/operations.hpp
-@@ -2581,6 +2581,9 @@ template<typename _Tp, size_t fixed_size> inline AutoBuffer<_Tp, fixed_size>::op
- template<typename _Tp, size_t fixed_size> inline AutoBuffer<_Tp, fixed_size>::operator const _Tp* () const
- { return ptr; }
- 
-+template<typename _Tp, size_t fixed_size> inline size_t AutoBuffer<_Tp, fixed_size>::getSize() const
-+{ return size; }
-+
- 
- /////////////////////////////////// Ptr ////////////////////////////////////////
- 
-diff --git a/modules/highgui/src/bitstrm.cpp b/modules/highgui/src/bitstrm.cpp
-index dd8bec87cca..67792a27f28 100644
---- a/modules/highgui/src/bitstrm.cpp
-+++ b/modules/highgui/src/bitstrm.cpp
-@@ -208,6 +208,8 @@ int  RLByteStream::getByte()
-         current = m_current;
-     }
- 
-+    CV_Assert(current < m_end);
-+
-     val = *((uchar*)current);
-     m_current = current + 1;
-     return val;
-diff --git a/modules/highgui/src/bitstrm.hpp b/modules/highgui/src/bitstrm.hpp
-index 57956beb539..b22987bc911 100644
---- a/modules/highgui/src/bitstrm.hpp
-+++ b/modules/highgui/src/bitstrm.hpp
-@@ -48,13 +48,20 @@
- namespace cv
- {
- 
--enum
--{
--    RBS_THROW_EOS=-123,  // <end of stream> exception code
--    RBS_THROW_FORB=-124,  // <forrbidden huffman code> exception code
--    RBS_HUFF_FORB=2047,  // forrbidden huffman code "value"
--    RBS_BAD_HEADER=-125 // invalid header
-+#define DECLARE_RBS_EXCEPTION(name) \
-+class RBS_ ## name ## _Exception : public cv::Exception \
-+{ \
-+public: \
-+    RBS_ ## name ## _Exception(int code_, const String& err_, const String& func_, const String& file_, int line_) : \
-+        cv::Exception(code_, err_, func_, file_, line_) \
-+    {} \
- };
-+DECLARE_RBS_EXCEPTION(THROW_EOS)
-+#define RBS_THROW_EOS RBS_THROW_EOS_Exception(CV_StsError, "Unexpected end of input stream", CV_Func, __FILE__, __LINE__)
-+DECLARE_RBS_EXCEPTION(THROW_FORB)
-+#define RBS_THROW_FORB RBS_THROW_FORB_Exception(CV_StsError, "Forrbidden huffman code", CV_Func, __FILE__, __LINE__)
-+DECLARE_RBS_EXCEPTION(BAD_HEADER)
-+#define RBS_BAD_HEADER RBS_BAD_HEADER_Exception(CV_StsError, "Invalid header", CV_Func, __FILE__, __LINE__)
- 
- typedef unsigned long ulong;
- 
-diff --git a/modules/highgui/src/grfmt_bmp.cpp b/modules/highgui/src/grfmt_bmp.cpp
-index c8f8218cd3b..026b317467d 100644
---- a/modules/highgui/src/grfmt_bmp.cpp
-+++ b/modules/highgui/src/grfmt_bmp.cpp
-@@ -115,8 +115,9 @@ bool  BmpDecoder::readHeader()
- 
-                 if( m_bpp <= 8 )
-                 {
--                    memset( m_palette, 0, sizeof(m_palette));
--                    m_strm.getBytes( m_palette, (clrused == 0? 1<<m_bpp : clrused)*4 );
-+                    CV_Assert(clrused < 256);
-+                    memset(m_palette, 0, sizeof(m_palette));
-+                    m_strm.getBytes(m_palette, (clrused == 0? 1<<m_bpp : clrused)*4 );
-                     iscolor = IsColorPalette( m_palette, m_bpp );
-                 }
-                 else if( m_bpp == 16 && m_rle_code == BMP_BITFIELDS )
-@@ -282,7 +283,9 @@ bool  BmpDecoder::readData( Mat& img )
-                     else if( code > 2 ) // absolute mode
-                     {
-                         if( data + code*nch > line_end ) goto decode_rle4_bad;
--                        m_strm.getBytes( src, (((code + 1)>>1) + 1) & -2 );
-+                        int sz = (((code + 1)>>1) + 1) & (~1);
-+                        CV_Assert((size_t)sz < _src.getSize());
-+                        m_strm.getBytes(src, sz);
-                         if( color )
-                             data = FillColorRow4( data, src, code, m_palette );
-                         else
-@@ -371,7 +374,9 @@ decode_rle4_bad: ;
- 
-                         if( data + code3 > line_end )
-                             goto decode_rle8_bad;
--                        m_strm.getBytes( src, (code + 1) & -2 );
-+                        int sz = (code + 1) & (~1);
-+                        CV_Assert((size_t)sz < _src.getSize());
-+                        m_strm.getBytes(src, sz);
-                         if( color )
-                             data = FillColorRow8( data, src, code, m_palette );
-                         else
-diff --git a/modules/highgui/src/grfmt_pxm.cpp b/modules/highgui/src/grfmt_pxm.cpp
-index f73bbb1bf6b..e609d165966 100644
---- a/modules/highgui/src/grfmt_pxm.cpp
-+++ b/modules/highgui/src/grfmt_pxm.cpp
-@@ -43,50 +43,58 @@
- #include "precomp.hpp"
- #include "utils.hpp"
- #include "grfmt_pxm.hpp"
-+#include <iostream>
- 
- namespace cv
- {
- 
- ///////////////////////// P?M reader //////////////////////////////
- 
--static int ReadNumber( RLByteStream& strm, int maxdigits )
-+static int ReadNumber(RLByteStream& strm, int maxdigits = 0)
- {
-     int code;
--    int val = 0;
-+    int64 val = 0;
-     int digits = 0;
- 
-     code = strm.getByte();
- 
--    if( !isdigit(code))
-+    while (!isdigit(code))
-     {
--        do
-+        if (code == '#' )
-         {
--            if( code == '#' )
-+            do
-             {
--                do
--                {
--                    code = strm.getByte();
--                }
--                while( code != '\n' && code != '\r' );
-+                code = strm.getByte();
-             }
--
-+            while (code != '\n' && code != '\r');
-             code = strm.getByte();
--
--            while( isspace(code))
-+        }
-+        else if (isspace(code))
-+        {
-+            while (isspace(code))
-                 code = strm.getByte();
-         }
--        while( !isdigit( code ));
-+        else
-+        {
-+#if 1
-+            CV_Error_(CV_StsError, ("PXM: Unexpected code in ReadNumber(): 0x%x (%d)", code, code));
-+#else
-+            code = strm.getByte();
-+#endif
-+        }
-     }
- 
-     do
-     {
--        val = val*10 + code - '0';
--        if( ++digits >= maxdigits ) break;
-+        val = val*10 + (code - '0');
-+        CV_Assert(val <= INT_MAX && "PXM: ReadNumber(): result is too large");
-+        digits++;
-+        if (maxdigits != 0 && digits >= maxdigits) break;
-         code = strm.getByte();
-     }
--    while( isdigit(code));
-+    while (isdigit(code));
- 
--    return val;
-+    return (int)val;
- }
- 
- 
-@@ -119,13 +127,13 @@ ImageDecoder PxMDecoder::newDecoder() const
-     return new PxMDecoder;
- }
- 
--void  PxMDecoder::close()
-+void PxMDecoder::close()
- {
-     m_strm.close();
- }
- 
- 
--bool  PxMDecoder::readHeader()
-+bool PxMDecoder::readHeader()
- {
-     bool result = false;
- 
-@@ -155,10 +163,10 @@ bool  PxMDecoder::readHeader()
-         m_binary = code >= '4';
-         m_type = m_bpp > 8 ? CV_8UC3 : CV_8UC1;
- 
--        m_width = ReadNumber( m_strm, INT_MAX );
--        m_height = ReadNumber( m_strm, INT_MAX );
-+        m_width = ReadNumber(m_strm);
-+        m_height = ReadNumber(m_strm);
- 
--        m_maxval = m_bpp == 1 ? 1 : ReadNumber( m_strm, INT_MAX );
-+        m_maxval = m_bpp == 1 ? 1 : ReadNumber(m_strm);
-         if( m_maxval > 65535 )
-             throw RBS_BAD_HEADER;
- 
-@@ -172,8 +180,14 @@ bool  PxMDecoder::readHeader()
-             result = true;
-         }
-     }
--    catch(...)
-+    catch (const cv::Exception&)
-     {
-+        throw;
-+    }
-+    catch (...)
-+    {
-+        std::cerr << "PXM::readHeader(): unknown C++ exception" << std::endl << std::flush;
-+        throw;
-     }
- 
-     if( !result )
-@@ -193,27 +207,23 @@ bool  PxMDecoder::readData( Mat& img )
-     int step = (int)img.step;
-     PaletteEntry palette[256];
-     bool   result = false;
--    int  bit_depth = CV_ELEM_SIZE1(m_type)*8;
--    int  src_pitch = (m_width*m_bpp*bit_depth/8 + 7)/8;
-+    const int bit_depth = CV_ELEM_SIZE1(m_type)*8;
-+    const int src_pitch = (m_width*m_bpp*(bit_depth/8) + 7) / 8;
-+
-     int  nch = CV_MAT_CN(m_type);
-     int  width3 = m_width*nch;
--    int  i, x, y;
- 
-     if( m_offset < 0 || !m_strm.isOpened())
-         return false;
- 
--    AutoBuffer<uchar,1024> _src(src_pitch + 32);
--    uchar* src = _src;
--    AutoBuffer<uchar,1024> _gray_palette;
--    uchar* gray_palette = _gray_palette;
-+    uchar gray_palette[256] = {0};
- 
-     // create LUT for converting colors
-     if( bit_depth == 8 )
-     {
--        _gray_palette.allocate(m_maxval + 1);
--        gray_palette = _gray_palette;
-+        CV_Assert(m_maxval < 256);
- 
--        for( i = 0; i <= m_maxval; i++ )
-+        for (int i = 0; i <= m_maxval; i++)
-             gray_palette[i] = (uchar)((i*255/m_maxval)^(m_bpp == 1 ? 255 : 0));
- 
-         FillGrayPalette( palette, m_bpp==1 ? 1 : 8 , m_bpp == 1 );
-@@ -227,12 +237,16 @@ bool  PxMDecoder::readData( Mat& img )
-         {
-         ////////////////////////// 1 BPP /////////////////////////
-         case 1:
-+            CV_Assert(CV_MAT_DEPTH(m_type) == CV_8U);
-             if( !m_binary )
-             {
--                for( y = 0; y < m_height; y++, data += step )
-+                AutoBuffer<uchar> _src(m_width);
-+                uchar* src = _src;
-+
-+                for (int y = 0; y < m_height; y++, data += step)
-                 {
--                    for( x = 0; x < m_width; x++ )
--                        src[x] = ReadNumber( m_strm, 1 ) != 0;
-+                    for (int x = 0; x < m_width; x++)
-+                        src[x] = ReadNumber(m_strm, 1) != 0;
- 
-                     if( color )
-                         FillColorRow8( data, src, m_width, palette );
-@@ -242,7 +256,10 @@ bool  PxMDecoder::readData( Mat& img )
-             }
-             else
-             {
--                for( y = 0; y < m_height; y++, data += step )
-+                AutoBuffer<uchar> _src(src_pitch);
-+                uchar* src = _src;
-+
-+                for (int y = 0; y < m_height; y++, data += step)
-                 {
-                     m_strm.getBytes( src, src_pitch );
- 
-@@ -258,11 +275,15 @@ bool  PxMDecoder::readData( Mat& img )
-         ////////////////////////// 8 BPP /////////////////////////
-         case 8:
-         case 24:
--            for( y = 0; y < m_height; y++, data += step )
-+        {
-+            AutoBuffer<uchar> _src(std::max<size_t>(width3*2, src_pitch));
-+            uchar* src = _src;
-+
-+            for (int y = 0; y < m_height; y++, data += step)
-             {
-                 if( !m_binary )
-                 {
--                    for( x = 0; x < width3; x++ )
-+                    for (int x = 0; x < width3; x++)
-                     {
-                         int code = ReadNumber( m_strm, INT_MAX );
-                         if( (unsigned)code > (unsigned)m_maxval ) code = m_maxval;
-@@ -277,7 +298,7 @@ bool  PxMDecoder::readData( Mat& img )
-                     m_strm.getBytes( src, src_pitch );
-                     if( bit_depth == 16 && !isBigEndian() )
-                     {
--                        for( x = 0; x < width3; x++ )
-+                        for (int x = 0; x < width3; x++)
-                         {
-                             uchar v = src[x * 2];
-                             src[x * 2] = src[x * 2 + 1];
-@@ -288,7 +309,7 @@ bool  PxMDecoder::readData( Mat& img )
- 
-                 if( img.depth() == CV_8U && bit_depth == 16 )
-                 {
--                    for( x = 0; x < width3; x++ )
-+                    for (int x = 0; x < width3; x++)
-                     {
-                         int v = ((ushort *)src)[x];
-                         src[x] = (uchar)(v >> 8);
-@@ -329,12 +350,19 @@ bool  PxMDecoder::readData( Mat& img )
-             }
-             result = true;
-             break;
-+        }
-         default:
--            assert(0);
-+            CV_Error(CV_StsError, "m_bpp is not supported");
-         }
-     }
--    catch(...)
-+    catch (const cv::Exception&)
-+    {
-+        throw;
-+    }
-+    catch (...)
-     {
-+        std::cerr << "PXM::readData(): unknown exception" << std::endl << std::flush;
-+        throw;
-     }
- 
-     return result;
-@@ -410,8 +438,9 @@ bool  PxMEncoder::write( const Mat& img, const vector<int>& params )
-     char* buffer = _buffer;
- 
-     // write header;
--    sprintf( buffer, "P%c\n%d %d\n%d\n",
-+    sprintf( buffer, "P%c\n# Generated by OpenCV %s\n%d %d\n%d\n",
-              '2' + (channels > 1 ? 1 : 0) + (isBinary ? 3 : 0),
-+             CV_VERSION,
-              width, height, (1 << depth) - 1 );
- 
-     strm.putBytes( buffer, (int)strlen(buffer) );
-diff --git a/modules/highgui/src/loadsave.cpp b/modules/highgui/src/loadsave.cpp
-index 81c708acdd4..9b270c900f7 100644
---- a/modules/highgui/src/loadsave.cpp
-+++ b/modules/highgui/src/loadsave.cpp
-@@ -48,12 +48,32 @@
- #undef min
- #undef max
- 
-+#include <iostream>
-+
- /****************************************************************************************\
- *                                      Image Codecs                                      *
- \****************************************************************************************/
- namespace cv
- {
- 
-+// TODO Add runtime configuration
-+#define CV_IO_MAX_IMAGE_PARAMS (50)
-+#define CV_IO_MAX_IMAGE_WIDTH (1<<20)
-+#define CV_IO_MAX_IMAGE_HEIGHT (1<<20)
-+#define CV_IO_MAX_IMAGE_PIXELS (1<<30) // 1 Gigapixel
-+
-+static Size validateInputImageSize(const Size& size)
-+{
-+    CV_Assert(size.width > 0);
-+    CV_Assert(size.width <= CV_IO_MAX_IMAGE_WIDTH);
-+    CV_Assert(size.height > 0);
-+    CV_Assert(size.height <= CV_IO_MAX_IMAGE_HEIGHT);
-+    uint64 pixels = (uint64)size.width * (uint64)size.height;
-+    CV_Assert(pixels <= CV_IO_MAX_IMAGE_PIXELS);
-+    return size;
-+}
-+
-+
- struct ImageCodecInitializer
- {
-     ImageCodecInitializer()
-@@ -203,12 +223,26 @@ imread_( const string& filename, int flags, int hdrtype, Mat* mat=0 )
-     if( decoder.empty() )
-         return 0;
-     decoder->setSource(filename);
--    if( !decoder->readHeader() )
-+
-+    try
-+    {
-+        // read the header to make sure it succeeds
-+        if (!decoder->readHeader())
-+            return 0;
-+    }
-+    catch (const cv::Exception& e)
-+    {
-+        std::cerr << "imread_('" << filename << "'): can't read header: " << e.what() << std::endl << std::flush;
-         return 0;
-+    }
-+    catch (...)
-+    {
-+        std::cerr << "imread_('" << filename << "'): can't read header: unknown exception" << std::endl << std::flush;
-+        return 0;
-+    }
- 
--    CvSize size;
--    size.width = decoder->width();
--    size.height = decoder->height();
-+
-+    Size size = validateInputImageSize(Size(decoder->width(), decoder->height()));
- 
-     int type = decoder->type();
-     if( flags != -1 )
-@@ -242,7 +276,21 @@ imread_( const string& filename, int flags, int hdrtype, Mat* mat=0 )
-         temp = cvarrToMat(image);
-     }
- 
--    if( !decoder->readData( *data ))
-+    bool success = false;
-+    try
-+    {
-+        if (decoder->readData(*data))
-+            success = true;
-+    }
-+    catch (const cv::Exception& e)
-+    {
-+        std::cerr << "imread_('" << filename << "'): can't read data: " << e.what() << std::endl << std::flush;
-+    }
-+    catch (...)
-+    {
-+        std::cerr << "imread_('" << filename << "'): can't read data: unknown exception" << std::endl << std::flush;
-+    }
-+    if (!success)
-     {
-         cvReleaseImage( &image );
-         cvReleaseMat( &matrix );
-@@ -288,6 +336,7 @@ static bool imwrite_( const string& filename, const Mat& image,
-     }
- 
-     encoder->setDestination( filename );
-+    CV_Assert(params.size() <= CV_IO_MAX_IMAGE_PARAMS*2);
-     bool code = encoder->write( *pimage, params );
- 
-     //    CV_Assert( code );
-@@ -326,16 +375,34 @@ imdecode_( const Mat& buf, int flags, int hdrtype, Mat* mat=0 )
-         decoder->setSource(filename);
-     }
- 
--    if( !decoder->readHeader() )
-+    bool success = false;
-+    try
-     {
--        if( !filename.empty() )
--            remove(filename.c_str());
-+        if (decoder->readHeader())
-+            success = true;
-+    }
-+    catch (const cv::Exception& e)
-+    {
-+        std::cerr << "imdecode_('" << filename << "'): can't read header: " << e.what() << std::endl << std::flush;
-+    }
-+    catch (...)
-+    {
-+        std::cerr << "imdecode_('" << filename << "'): can't read header: unknown exception" << std::endl << std::flush;
-+    }
-+    if (!success)
-+    {
-+        if (!filename.empty())
-+        {
-+            if (0 != remove(filename.c_str()))
-+            {
-+                std::cerr << "unable to remove temporary file:" << filename << std::endl << std::flush;
-+            }
-+        }
-         return 0;
-     }
- 
--    CvSize size;
--    size.width = decoder->width();
--    size.height = decoder->height();
-+    // established the required input image size
-+    Size size = validateInputImageSize(Size(decoder->width(), decoder->height()));
- 
-     int type = decoder->type();
-     if( flags != -1 )
-@@ -369,11 +436,30 @@ imdecode_( const Mat& buf, int flags, int hdrtype, Mat* mat=0 )
-         temp = cvarrToMat(image);
-     }
- 
--    bool code = decoder->readData( *data );
--    if( !filename.empty() )
--        remove(filename.c_str());
-+    success = false;
-+    try
-+    {
-+        if (decoder->readData(*data))
-+            success = true;
-+    }
-+    catch (const cv::Exception& e)
-+    {
-+        std::cerr << "imdecode_('" << filename << "'): can't read data: " << e.what() << std::endl << std::flush;
-+    }
-+    catch (...)
-+    {
-+        std::cerr << "imdecode_('" << filename << "'): can't read data: unknown exception" << std::endl << std::flush;
-+    }
- 
--    if( !code )
-+    if (!filename.empty())
-+    {
-+        if (0 != remove(filename.c_str()))
-+        {
-+            std::cerr << "unable to remove temporary file:" << filename << std::endl << std::flush;
-+        }
-+    }
-+
-+    if (!success)
-     {
-         cvReleaseImage( &image );
-         cvReleaseMat( &matrix );
-@@ -490,7 +576,7 @@ cvSaveImage( const char* filename, const CvArr* arr, const int* _params )
-     if( _params )
-     {
-         for( ; _params[i] > 0; i += 2 )
--            ;
-+            CV_Assert(i < CV_IO_MAX_IMAGE_PARAMS*2); // Limit number of params for security reasons
-     }
-     return cv::imwrite_(filename, cv::cvarrToMat(arr),
-         i > 0 ? cv::vector<int>(_params, _params+i) : cv::vector<int>(),
-@@ -521,7 +607,7 @@ cvEncodeImage( const char* ext, const CvArr* arr, const int* _params )
-     if( _params )
-     {
-         for( ; _params[i] > 0; i += 2 )
--            ;
-+            CV_Assert(i < CV_IO_MAX_IMAGE_PARAMS*2); // Limit number of params for security reasons
-     }
-     cv::Mat img = cv::cvarrToMat(arr);
-     if( CV_IS_IMAGE(arr) && ((const IplImage*)arr)->origin == IPL_ORIGIN_BL )
diff --git a/media-libs/opencv/files/opencv-2.4.2-cflags.patch b/media-libs/opencv/files/opencv-2.4.2-cflags.patch
deleted file mode 100644
index d52e6b6a39f4..000000000000
--- a/media-libs/opencv/files/opencv-2.4.2-cflags.patch
+++ /dev/null
@@ -1,21 +0,0 @@
-diff -ruN OpenCV-2.4.2.orig/cmake/OpenCVCompilerOptions.cmake OpenCV-2.4.2/cmake/OpenCVCompilerOptions.cmake
---- OpenCV-2.4.2.orig/cmake/OpenCVCompilerOptions.cmake	2012-06-29 00:55:15.000000000 +0200
-+++ OpenCV-2.4.2/cmake/OpenCVCompilerOptions.cmake	2012-07-16 23:51:24.244907235 +0200
-@@ -110,17 +110,6 @@
-   endif()
- 
-   # Other optimizations
--  if(ENABLE_OMIT_FRAME_POINTER)
--    add_extra_compiler_option(-fomit-frame-pointer)
--  else()
--    add_extra_compiler_option(-fno-omit-frame-pointer)
--  endif()
--  if(ENABLE_FAST_MATH)
--    add_extra_compiler_option(-ffast-math)
--  endif()
--  if(ENABLE_POWERPC)
--    add_extra_compiler_option("-mcpu=G3 -mtune=G5")
--  endif()
-   if(ENABLE_SSE)
-     add_extra_compiler_option(-msse)
-   endif()
diff --git a/media-libs/opencv/files/opencv-2.4.3-gcc47.patch b/media-libs/opencv/files/opencv-2.4.3-gcc47.patch
deleted file mode 100644
index 13ac8f8fb58f..000000000000
--- a/media-libs/opencv/files/opencv-2.4.3-gcc47.patch
+++ /dev/null
@@ -1,22 +0,0 @@
-diff -ruN OpenCV-2.4.3.orig/modules/highgui/src/grfmt_tiff.cpp OpenCV-2.4.3/modules/highgui/src/grfmt_tiff.cpp
---- OpenCV-2.4.3.orig/modules/highgui/src/grfmt_tiff.cpp	2012-10-12 00:55:12.000000000 +0200
-+++ OpenCV-2.4.3/modules/highgui/src/grfmt_tiff.cpp	2012-11-05 21:37:40.000000000 +0100
-@@ -47,6 +47,7 @@
- 
- #include "precomp.hpp"
- #include "grfmt_tiff.hpp"
-+#include "unistd.h"
- 
- namespace cv
- {
-diff -ruN OpenCV-2.4.3.orig/modules/highgui/src/window_QT.h OpenCV-2.4.3/modules/highgui/src/window_QT.h
---- OpenCV-2.4.3.orig/modules/highgui/src/window_QT.h	2012-10-18 00:55:38.000000000 +0200
-+++ OpenCV-2.4.3/modules/highgui/src/window_QT.h	2012-11-05 21:38:41.000000000 +0100
-@@ -41,6 +41,7 @@
- #define __OPENCV_HIGHGUI_QT_H__
- 
- #include "precomp.hpp"
-+#include "unistd.h"
- 
- #if defined( HAVE_QT_OPENGL )
- #include <QtOpenGL>
diff --git a/media-libs/opencv/files/opencv-2.4.8-javamagic.patch b/media-libs/opencv/files/opencv-2.4.8-javamagic.patch
deleted file mode 100644
index 766abc1e0941..000000000000
--- a/media-libs/opencv/files/opencv-2.4.8-javamagic.patch
+++ /dev/null
@@ -1,32 +0,0 @@
-diff -ruN opencv-2.4.8.orig/CMakeLists.txt opencv-2.4.8/CMakeLists.txt
---- opencv-2.4.8.orig/CMakeLists.txt	2013-12-27 18:09:18.000000000 +0100
-+++ opencv-2.4.8/CMakeLists.txt	2014-01-24 22:06:12.000000000 +0100
-@@ -164,6 +164,7 @@
- OCV_OPTION(WITH_OPENCLAMDFFT   "Include AMD OpenCL FFT library support"      ON   IF (NOT ANDROID AND NOT IOS) )
- OCV_OPTION(WITH_OPENCLAMDBLAS  "Include AMD OpenCL BLAS library support"     ON   IF (NOT ANDROID AND NOT IOS) )
- OCV_OPTION(WITH_INTELPERC      "Include Intel Perceptual Computing support"  OFF  IF WIN32 )
-+OCV_OPTION(WITH_JAVA           "Include Java support"                        ON)
- 
- # OpenCV build components
- # ===================================================
-@@ -449,6 +450,8 @@
- include(cmake/OpenCVDetectPython.cmake)
- 
- # --- Java Support ---
-+if(WITH_JAVA)
-+
- include(cmake/OpenCVDetectApacheAnt.cmake)
- if(ANDROID)
-   include(cmake/OpenCVDetectAndroidSDK.cmake)
-@@ -466,6 +469,11 @@
-   SET(CAN_BUILD_ANDROID_PROJECTS FALSE)
- endif()
- 
-+else()
-+  SET(ANT_EXECUTABLE "")
-+  SET(CAN_BUILD_ANDROID_PROJECTS FALSE)
-+endif()
-+
- # --- OpenCL ---
- if(WITH_OPENCL)
-   include(cmake/OpenCVDetectOpenCL.cmake)
diff --git a/media-libs/opencv/files/opencv-2.4.9-cuda-pkg-config.patch b/media-libs/opencv/files/opencv-2.4.9-cuda-pkg-config.patch
deleted file mode 100644
index d7ff3c7eaf67..000000000000
--- a/media-libs/opencv/files/opencv-2.4.9-cuda-pkg-config.patch
+++ /dev/null
@@ -1,12 +0,0 @@
---- a/CMakeLists.txt

-+++ b/CMakeLists.txt

-@@ -528,6 +528,9 @@

-   if(HAVE_CUFFT)

-     set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} ${CUDA_cufft_LIBRARY})

-   endif()

-+  foreach(p ${CUDA_LIBS_PATH})

-+    set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} -L${p})

-+  endforeach()

- endif()

- 

- # ----------------------------------------------------------------------------

diff --git a/media-libs/opencv/opencv-2.4.13-r4.ebuild b/media-libs/opencv/opencv-2.4.13-r4.ebuild
deleted file mode 100644
index 1e5584759aa4..000000000000
--- a/media-libs/opencv/opencv-2.4.13-r4.ebuild
+++ /dev/null
@@ -1,230 +0,0 @@
-# Copyright 1999-2020 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=6
-PYTHON_COMPAT=( python2_7 )
-
-inherit toolchain-funcs cmake-utils python-single-r1 java-pkg-opt-2 java-ant-2
-
-DESCRIPTION="A collection of algorithms and sample code for various computer vision problems"
-HOMEPAGE="https://opencv.org"
-
-SRC_URI="https://github.com/Itseez/opencv/archive/${PV}.tar.gz -> ${P}.tar.gz"
-
-LICENSE="BSD"
-SLOT="0/2.4"
-KEYWORDS="amd64 ~arm ~ppc ~ppc64 x86 ~amd64-linux"
-IUSE="cuda +eigen examples ffmpeg gstreamer gtk ieee1394 jpeg opencl openexr opengl openmp pch png +python qt5 testprograms threads tiff v4l vtk xine"
-
-REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
-
-# The following logic is intrinsic in the build system, but we do not enforce
-# it on the useflags since this just blocks emerging pointlessly:
-#	gtk? ( !qt4 )
-#	opengl? ( || ( gtk qt4 ) )
-#	openmp? ( !threads )
-
-RDEPEND="
-	app-arch/bzip2
-	sys-libs/zlib
-	cuda? ( >=dev-util/nvidia-cuda-toolkit-5.5 )
-	ffmpeg? ( media-video/ffmpeg:0= )
-	gstreamer? (
-		media-libs/gstreamer:1.0
-		media-libs/gst-plugins-base:1.0
-	)
-	gtk? (
-		dev-libs/glib:2
-		x11-libs/gtk+:2
-		opengl? ( x11-libs/gtkglext )
-	)
-	java? ( >=virtual/jre-1.6:* )
-	jpeg? ( virtual/jpeg:0 )
-	ieee1394? (
-		media-libs/libdc1394
-		sys-libs/libraw1394
-	)
-	opencl? ( virtual/opencl )
-	openexr? ( media-libs/openexr )
-	opengl? ( virtual/opengl virtual/glu )
-	png? ( media-libs/libpng:0= )
-	python? (
-		${PYTHON_DEPS}
-		$(python_gen_cond_dep '
-			|| (
-				dev-python/numpy-python2[${PYTHON_MULTI_USEDEP}]
-				dev-python/numpy[${PYTHON_MULTI_USEDEP}]
-			)
-		')
-	)
-	qt5? (
-		dev-qt/qtconcurrent:5
-		dev-qt/qtcore:5
-		dev-qt/qtgui:5
-		dev-qt/qttest:5
-		opengl? ( dev-qt/qtopengl:5 )
-	)
-	threads? ( dev-cpp/tbb )
-	tiff? ( media-libs/tiff:0 )
-	v4l? ( >=media-libs/libv4l-0.8.3 )
-	vtk? ( sci-libs/vtk[rendering] )
-	xine? ( media-libs/xine-lib )
-"
-DEPEND="${RDEPEND}
-	virtual/pkgconfig
-	eigen? ( dev-cpp/eigen:3 )
-	java? ( >=virtual/jdk-1.6 )
-"
-
-PATCHES=(
-	"${FILESDIR}/${PN}-2.3.1a-libav-0.7.patch"
-	"${FILESDIR}/${PN}-2.4.3-gcc47.patch"
-	"${FILESDIR}/${PN}-2.4.2-cflags.patch"
-	"${FILESDIR}/${PN}-2.4.8-javamagic.patch"
-	"${FILESDIR}/${PN}-2.4.9-cuda-pkg-config.patch"
-	"${FILESDIR}/${PN}-3.0.0-gles.patch"
-	"${FILESDIR}/${P}-gcc-6.0.patch"
-	"${FILESDIR}/${P}-imgcodecs-refactoring.patch" #bug 627958
-)
-
-pkg_setup() {
-	[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp
-	use python && python-single-r1_pkg_setup
-	java-pkg-opt-2_pkg_setup
-}
-
-src_prepare() {
-	cmake-utils_src_prepare
-
-	# remove bundled stuff
-	rm -rf 3rdparty || die "Removing 3rd party components failed"
-	sed -i \
-		-e '/add_subdirectory(3rdparty)/ d' \
-		CMakeLists.txt || die
-
-	java-pkg-opt-2_src_prepare
-}
-
-src_configure() {
-
-	JAVA_ANT_ENCODING="iso-8859-1"
-	# set encoding so even this cmake build will pick it up.
-	export ANT_OPTS+=" -Dfile.encoding=iso-8859-1"
-	java-ant-2_src_configure
-
-	# please dont sort here, order is the same as in CMakeLists.txt
-	local mycmakeargs=(
-	# the optinal dependency libraries
-		-DWITH_1394=$(usex ieee1394)
-		-DWITH_AVFOUNDATION=OFF
-		-DWITH_VTK=$(usex vtk)
-		-DWITH_EIGEN=$(usex eigen)
-		-DWITH_VFW=OFF
-		-DWITH_FFMPEG=$(usex ffmpeg)
-		-DWITH_GSTREAMER=$(usex gstreamer)
-		-DWITH_GSTREAMER_0_10=OFF
-		-DWITH_GTK=$(usex gtk)
-		-DWITH_IMAGEIO=OFF
-		-DWITH_IPP=OFF
-		-DWITH_JASPER=OFF
-		-DWITH_JPEG=$(usex jpeg)
-		-DWITH_OPENEXR=$(usex openexr)
-		-DWITH_OPENGL=$(usex opengl)
-		-DWITH_OPENCL=$(usex opencl)
-		-DWITH_OPENNI=OFF
-		-DWITH_PNG=$(usex png)
-		-DWITH_PVAPI=OFF
-		-DWITH_QT=$(usex qt5 5 OFF)
-		-DWITH_GIGEAPI=OFF
-		-DWITH_WIN32UI=OFF
-		-DWITH_QUICKTIME=OFF
-		-DWITH_TBB=$(usex threads)
-		-DWITH_OPENMP=$(usex openmp)
-		-DWITH_CSTRIPES=OFF
-		-DWITH_TIFF=$(usex tiff)
-		-DWITH_UNICAP=OFF
-		-DWITH_V4L=$(usex v4l)
-		-DWITH_LIBV4L=$(usex v4l)
-		-DWITH_DSHOW=ON
-		-DWITH_MSMF=OFF
-		-DWITH_XIMEA=OFF
-		-DWITH_XINE=$(usex xine)
-		-DWITH_OPENCL=$(usex opencl)
-		-DWITH_OPENCLAMDFFT=$(usex opencl)
-		-DWITH_OPENCLAMDBLAS=$(usex opencl)
-		-DWITH_INTELPERC=OFF
-		-DWITH_JAVA=$(usex java)
-
-		# the build components
-		-DBUILD_SHARED_LIBS=ON
-		-DBUILD_ANDROID_EXAMPLES=OFF
-		-DBUILD_DOCS=OFF #too much dark magic in cmakelists
-		-DBUILD_EXAMPLES=$(usex examples)
-		-DBUILD_PERF_TESTS=OFF
-		-DBUILD_TESTS=$(usex testprograms)
-
-		# install examples
-		-DINSTALL_C_EXAMPLES=$(usex examples)
-		-DINSTALL_TESTS=$(usex testprograms)
-
-		# build options
-		-DENABLE_PRECOMPILED_HEADERS=$(usex pch)
-		-DENABLE_SOLUTION_FOLDERS=OFF
-		-DENABLE_PROFILING=OFF
-		-DENABLE_COVERAGE=OFF
-		-DENABLE_OMIT_FRAME_POINTER=OFF
-		-DENABLE_FAST_MATH=OFF					#
-		-DENABLE_SSE=OFF					# these options do nothing but
-		-DENABLE_SSE2=OFF					# add params to CFLAGS
-		-DENABLE_SSE3=OFF
-		-DENABLE_SSSE3=OFF
-		-DENABLE_SSE41=OFF
-		-DENABLE_SSE42=OFF
-
-		-DOPENCV_EXTRA_FLAGS_RELEASE=""				# black magic
-	)
-
-	if use cuda; then
-		if [[ "$(gcc-version)" > "4.8" ]]; then
-			# bug 577410
-			# #error -- unsupported GNU version! gcc 4.9 and up are not supported!
-			ewarn "CUDA and >=sys-devel/gcc-4.9 do not play well together. Disabling CUDA support."
-			mycmakeargs+=( -DWITH_CUDA=OFF )
-			mycmakeargs+=( -DWITH_CUBLAS=OFF )
-			mycmakeargs+=( -DWITH_CUFFT=OFF )
-
-		else
-			mycmakeargs+=( -DWITH_CUDA=ON )
-			mycmakeargs+=( -DWITH_CUBLAS=ON )
-			mycmakeargs+=( -DWITH_CUFFT=ON )
-			mycmakeargs+=( -DCUDA_NPP_LIBRARY_ROOT_DIR=/opt/cuda )
-		fi
-	else
-		mycmakeargs+=( -DWITH_CUDA=OFF )
-		mycmakeargs+=( -DWITH_CUBLAS=OFF )
-		mycmakeargs+=( -DWITH_CUFFT=OFF )
-	fi
-
-	if use examples && use python; then
-		mycmakeargs+=( -DINSTALL_PYTHON_EXAMPLES=ON )
-	else
-		mycmakeargs+=( -DINSTALL_PYTHON_EXAMPLES=OFF )
-	fi
-
-	# things we want to be hard off or not yet figured out
-	mycmakeargs+=(
-		-DOPENCV_BUILD_3RDPARTY_LIBS=OFF
-		-DBUILD_PACKAGE=OFF
-	)
-
-	# things we want to be hard enabled not worth useflag
-	mycmakeargs+=(
-		-DCMAKE_SKIP_RPATH=ON
-		-DOPENCV_DOC_INSTALL_PATH=
-	)
-
-	# workaround for bug 413429
-	tc-export CC CXX
-
-	cmake-utils_src_configure
-}