audio/essentia: Move to FFmpeg 4

Fails to build with FFmpeg 6

PR:		261302
Reported by:	antoine (via exp-run)
Approved by:	portmgr (blanket, build fix)
Sponsored by:	Blinkinblox

audio/essentia/Makefile

@@ -13,13 +13,17 @@ LICENSE=	AGPLv3
 LICENSE_FILE=	${WRKSRC}/COPYING.txt
 
 BUILD_DEPENDS=	${LOCALBASE}/include/fftw3.h:math/fftw3
-LIB_DEPENDS=	libavcodec.so:multimedia/ffmpeg \
+LIB_DEPENDS=	libavcodec.so.58:multimedia/ffmpeg4 \
 		libchromaprint.so:audio/chromaprint \
 		libfftw3f.so:math/fftw3-float \
 		libsamplerate.so:audio/libsamplerate \
 		libtag.so:audio/taglib \
 		libyaml.so:textproc/libyaml
 
+CFLAGS+=	-I${LOCALBASE}/ffmpeg4/include
+CONFIGURE_ENV+=	PKG_CONFIG_PATH="${LOCALBASE}/ffmpeg4/libdata/pkgconfig"
+MAKE_ENV+=	PKG_CONFIG_PATH="${LOCALBASE}/ffmpeg4/libdata/pkgconfig"
+
 USES=		compiler:c++11-lib eigen:3 pkgconfig waf
 
 USE_GITHUB=	yes

audio/essentia/files/patch-wscript

@@ -0,0 +1,11 @@
+--- wscript.orig	2022-11-03 19:50:02 UTC
++++ wscript
+@@ -148,6 +148,8 @@ def configure(ctx):
+     elif ctx.options.MODE == 'release':
+         print ('→ Building in release mode')
+         ctx.env.CXXFLAGS += ['-O2']  # '-march=native' ] # '-msse3', '-mfpmath=sse' ]
++        ctx.env.LINKFLAGS += ['-L/usr/local/ffmpeg4/lib']
++        ctx.env.LDFLAGS += ['-L/usr/local/ffmpeg4/lib']
+ 
+     elif ctx.options.MODE == 'default':
+         pass