libports: create avplay recipe

Issue #2602.

repos/libports/recipes/src/avplay/content.mk

@@ -0,0 +1,18 @@
+content: src/app/avplay lib/import LICENSE
+
+PORT_DIR := $(call port_dir,$(REP_DIR)/ports/libav)
+
+lib/import:
+	mkdir -p $@
+	cp $(REP_DIR)/$@/import-av.inc $@
+
+src/app/avplay:
+	mkdir -p $@
+	cp $(PORT_DIR)/src/lib/libav/avplay.c \
+	   $(PORT_DIR)/src/lib/libav/cmdutils.* $@
+	cp $(REP_DIR)/src/app/avplay/* $@
+	cp $(REP_DIR)/src/lib/libav/config.h $@
+	rm $@/avplay.patch
+
+LICENSE:
+	cp $(PORT_DIR)/src/lib/libav/LICENSE $@

repos/libports/recipes/src/avplay/hash

@@ -0,0 +1 @@
+2017-12-05 2b8b73ee257fd58ba28a5ba5952bf448ce19c530

repos/libports/recipes/src/avplay/used_apis

@@ -0,0 +1,11 @@
+base
+os
+timer_session
+so
+libc
+vfs
+libav
+sdl
+audio_out_session
+framebuffer_session
+input_session

repos/libports/src/app/avplay/target.mk

@@ -3,7 +3,7 @@ include $(REP_DIR)/lib/import/import-av.inc
 TARGET = avplay
 SRC_C  = avplay.c cmdutils.c libc_dummies.c
 LIBS  += avfilter avformat avcodec avutil avresample swscale
-LIBS  += sdl sdlmain libc libm
+LIBS  += base sdl sdlmain libc libm
 
 CC_WARN += -Wno-parentheses -Wno-switch -Wno-uninitialized \
            -Wno-format-zero-length -Wno-pointer-sign