# use pkg-config for getting CFLAGS and LDLIBSFFMPEG_LIBS=    libavdevice                        \                libavformat                        \                libavfilter                        \                libavcodec                         \                libswresample                      \                libswscale                         \                libavutil                          \ CFLAGS += -Wall -gCFLAGS := $(shell pkg-config --cflags $(FFMPEG_LIBS)) $(CFLAGS)LDLIBS := $(shell pkg-config --libs $(FFMPEG_LIBS)) $(LDLIBS) EXAMPLES=       avio_dir_cmd                       \                avio_reading                       \                decode_audio                       \                decode_video                       \                demuxing_decoding                  \                encode_audio                       \                encode_video                       \                extract_mvs                        \                filtering_video                    \                filtering_audio                    \                http_multiclient                   \                hw_decode                          \                metadata                           \                muxing                             \                remuxing                           \                resampling_audio                   \                scaling_video                      \                transcode_aac                      \                transcoding                        \ OBJS=$(addsuffix .o,$(EXAMPLES)) # the following examples make explicit use of the math libraryavcodec:           LDLIBS += -lmencode_audio:      LDLIBS += -lmmuxing:            LDLIBS += -lmresampling_audio:  LDLIBS += -lm .phony: all clean-test clean all: $(OBJS) $(EXAMPLES) clean-test:	$(RM) test*.pgm test.h264 test.mp2 test.sw test.mpg clean: clean-test	$(RM) $(EXAMPLES) $(OBJS)