Handle AV_FRAME_FLAG_KEY introduced in FFmpeg 6.1

Author: h4tr3d

src/avutils.h

@@ -26,6 +26,8 @@ extern "C" {
 #define API_FRAME_NUM          ((LIBAVCODEC_VERSION_MAJOR > 60) || (LIBAVCODEC_VERSION_MAJOR == 60 && LIBAVCODEC_VERSION_MINOR >= 2))
 // use AVFormatContext::url
 #define API_AVFORMAT_URL       ((LIBAVFORMAT_VERSION_MAJOR > 58) || (LIBAVFORMAT_VERSION_MAJOR == 58 && LIBAVFORMAT_VERSION_MINOR >= 7))
+// net key frame flags: AV_FRAME_FLAG_KEY (FFmpeg 6.1)
+#define API_FRAME_KEY          ((LIBAVUTIL_VERSION_MAJOR > 58) || (LIBAVUTIL_VERSION_MAJOR == 58 && LIBAVUTIL_VERSION_MINOR >= 29))
 
 #if defined(__ICL) || defined (__INTEL_COMPILER)
 #    define FF_DISABLE_DEPRECATION_WARNINGS __pragma(warning(push)) __pragma(warning(disable:1478))

src/frame.cpp

@@ -148,12 +148,26 @@ int VideoFrame::height() const
 
 bool VideoFrame::isKeyFrame() const
 {
+#if API_FRAME_KEY
+    return !!(RAW_GET(flags, 0) & AV_FRAME_FLAG_KEY);
+#else
     return RAW_GET(key_frame, false);
+#endif
 }
 
 void VideoFrame::setKeyFrame(bool isKey)
 {
+#if API_FRAME_KEY
+    if (m_raw) {
+        if (isKey) {
+            m_raw->flags |= AV_FRAME_FLAG_KEY;
+        } else {
+            m_raw->flags &= ~(AV_FRAME_FLAG_KEY);
+        }
+    }
+#else
     RAW_SET(key_frame, isKey);
+#endif
 }
 
 int VideoFrame::quality() const