From c4ce51ee62205c74604767f1b7dab6a036edac7f Mon Sep 17 00:00:00 2001
From: Zhao Zhili <zhilizhao@tencent.com>
Date: Sat, 8 Nov 2025 22:35:38 +0800
Subject: [PATCH] avfilter/vf_libopencv: bump to opencv4

---
 configure                  | 7 ++-----
 libavfilter/vf_libopencv.c | 5 -----
 2 files changed, 2 insertions(+), 10 deletions(-)

diff --git a/configure b/configure
index af125bc115..659b428cfc 100755
--- a/configure
+++ b/configure
@@ -2349,7 +2349,6 @@ HEADERS_LIST="
     linux_dma_buf_h
     linux_perf_event_h
     malloc_h
-    opencv2_core_core_c_h
     poll_h
     pthread_np_h
     sys_hwprobe_h
@@ -7203,10 +7202,8 @@ enabled libnpp            && { test_cpp_condition "$(cd "$source_path"; pwd)/lib
                                die "ERROR: libnpp support is deprecated, version 13.0 and up are not supported"; }
 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
-enabled libopencv         && { check_headers opencv2/core/core_c.h &&
-                               { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||
-                                 require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
-                               require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }
+enabled libopencv         && { check_pkg_config libopencv opencv4 opencv2/core/core_c.h cvCreateImageHeader ||
+                               require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; }
 enabled libopenh264       && require_pkg_config libopenh264 "openh264 >= 1.3.0" wels/codec_api.h WelsGetCodecVersion
 enabled libopenjpeg       && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||
                                { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }
diff --git a/libavfilter/vf_libopencv.c b/libavfilter/vf_libopencv.c
index fb78e10faf..ae8dd49b2c 100644
--- a/libavfilter/vf_libopencv.c
+++ b/libavfilter/vf_libopencv.c
@@ -24,13 +24,8 @@
  */
 
 #include "config.h"
-#if HAVE_OPENCV2_CORE_CORE_C_H
 #include <opencv2/core/core_c.h>
 #include <opencv2/imgproc/imgproc_c.h>
-#else
-#include <opencv/cv.h>
-#include <opencv/cxcore.h>
-#endif
 #include "libavutil/avstring.h"
 #include "libavutil/common.h"
 #include "libavutil/file.h"