Reorg folders and use core as ffmpeg from now on

Makefile

@@ -1,41 +1,52 @@
-all: dev dev-mt
+all: dev
 
+MT_FLAGS := -sUSE_PTHREADS -pthread
+MT_LDFLAGS := -sPTHREAD_POOL_SIZE=8
+
+DEV_CFLAGS := --profiling
+DEV_MT_CFLAGS := $(DEV_CFLAGS) $(MT_FLAGS)
 PROD_CFLAGS := -O3 -msimd128
+PROD_MT_CFLAGS := $(PROD_CFLAGS) $(MT_FLAGS)
 
 clean:
-	rm -rf ./packages/core$(PKG_SUFFIX)/dist
-	rm -rf ./packages/core$(PKG_SUFFIX)/types
+	rm -rf ./packages/ffmpeg$(PKG_SUFFIX)/dist
+	rm -rf ./packages/ffmpeg$(PKG_SUFFIX)/types
 
 .PHONY: build
 build:
 	make clean PKG_SUFFIX="$(PKG_SUFFIX)"
+	cp -r src/types/ffmpeg packages/ffmpeg$(PKG_SUFFIX)/types
 	EXTRA_CFLAGS="$(EXTRA_CFLAGS)" \
 	EXTRA_LDLAGS="$(EXTRA_LDLAGS)" \
+	FFMPEG_ST="$(FFMPEG_ST)" \
 	FFMPEG_MT="$(FFMPEG_MT)" \
 		docker buildx build \
 			--build-arg EXTRA_CFLAGS \
 			--build-arg EXTRA_LDLAGS \
 			--build-arg FFMPEG_MT \
-			-o ./packages/core$(PKG_SUFFIX) \
+			--build-arg FFMPEG_ST \
+			-o ./packages/ffmpeg$(PKG_SUFFIX) \
 			$(EXTRA_ARGS) \
 			.
-	cp -r src/types/core packages/core$(PKG_SUFFIX)/types
+
+build-st:
+	make build \
+		FFMPEG_ST=yes
 
 build-mt:
 	make build \
 		PKG_SUFFIX=-mt \
 		FFMPEG_MT=yes \
-		EXTRA_CFLAGS="-sUSE_PTHREADS -pthread" \
-		EXTRA_LDLAGS="-sPTHREAD_POOL_SIZE=8"
+		EXTRA_LDLAGS="$(MT_LDFLAGS)"
 
 dev:
-	make build
+	make build-st EXTRA_CFLAGS="$(DEV_CFLAGS)"
 
 dev-mt:
-	make build-mt
+	make build-mt EXTRA_CFLAGS="$(DEV_MT_CFLAGS)"
 
 prd:
-	make build EXTRA_CFLAGS="$(PROD_CFLAGS)"
+	make build-st EXTRA_CFLAGS="$(PROD_CFLAGS)"
 
 prd-mt:
-	make build-mt EXTRA_CFLAGS="$(PROD_CFLAGS)"
+	make build-mt EXTRA_CFLAGS="$(PROD_MT_CFLAGS)"