not able to make build

[ghost]

[root@dev ffmpeg-tutorial-master]# make Package libavformat was not found in the pkg-config search path. Perhaps you should add the directory containing libavformat.pc' to the PKG_CONFIG_PATH environment variable No package 'libavformat' found Package libavcodec was not found in the pkg-config search path. Perhaps you should add the directory containinglibavcodec.pc' to the PKG_CONFIG_PATH environment variable No package 'libavcodec' found Package libswscale was not found in the pkg-config search path. Perhaps you should add the directory containing libswscale.pc' to the PKG_CONFIG_PATH environment variable No package 'libswscale' found Package libavutil was not found in the pkg-config search path. Perhaps you should add the directory containinglibavutil.pc' to the PKG_CONFIG_PATH environment variable No package 'libavutil' found Package sdl was not found in the pkg-config search path. Perhaps you should add the directory containing sdl.pc' to the PKG_CONFIG_PATH environment variable No package 'sdl' found Package libavformat was not found in the pkg-config search path. Perhaps you should add the directory containinglibavformat.pc' to the PKG_CONFIG_PATH environment variable No package 'libavformat' found Package libavcodec was not found in the pkg-config search path. Perhaps you should add the directory containing libavcodec.pc' to the PKG_CONFIG_PATH environment variable No package 'libavcodec' found Package libswscale was not found in the pkg-config search path. Perhaps you should add the directory containinglibswscale.pc' to the PKG_CONFIG_PATH environment variable No package 'libswscale' found Package libavutil was not found in the pkg-config search path. Perhaps you should add the directory containing libavutil.pc' to the PKG_CONFIG_PATH environment variable No package 'libavutil' found Package sdl was not found in the pkg-config search path. Perhaps you should add the directory containingsdl.pc' to the PKG_CONFIG_PATH environment variable No package 'sdl' found mkdir -p obj mkdir -p bin gcc -Wall -ggdb obj/tutorial01.o -lm -o bin/tutorial01.out obj/tutorial01.o: In function main': /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:70: undefined reference toav_register_all' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:73: undefined reference to avformat_open_input' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:77: undefined reference toavformat_find_stream_info' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:81: undefined reference to av_dump_format' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:97: undefined reference toavcodec_find_decoder' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:103: undefined reference to avcodec_open2' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:107: undefined reference toavcodec_alloc_frame' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:110: undefined reference to avcodec_alloc_frame' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:115: undefined reference toavpicture_get_size' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:117: undefined reference to av_malloc' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:120: undefined reference tosws_getContext' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:137: undefined reference to avpicture_fill' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:146: undefined reference toavcodec_decode_video2' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:152: undefined reference to sws_scale' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:171: undefined reference toav_free_packet' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:142: undefined reference to av_read_frame' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:175: undefined reference toav_free' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:176: undefined reference to av_free' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:179: undefined reference toav_free' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:182: undefined reference to avcodec_close' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:185: undefined reference toavformat_close_input' collect2: ld returned 1 exit status make: *\ [bin/tutorial01.out] Error 1

[ghost]

My problem has reduced to-

[root@dev ffmpeg-tutorial-master]# make Package sdl was not found in the pkg-config search path. Perhaps you should add the directory containing sdl.pc' to the PKG_CONFIG_PATH environment variable No package 'sdl' found Package sdl was not found in the pkg-config search path. Perhaps you should add the directory containingsdl.pc' to the PKG_CONFIG_PATH environment variable No package 'sdl' found mkdir -p obj mkdir -p bin gcc -Wall -ggdb obj/tutorial01.o -lm -o bin/tutorial01.out obj/tutorial01.o: In function main': /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:70: undefined reference toav_register_all' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:73: undefined reference to avformat_open_input' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:77: undefined reference toavformat_find_stream_info' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:81: undefined reference to av_dump_format' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:97: undefined reference toavcodec_find_decoder' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:103: undefined reference to avcodec_open2' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:107: undefined reference toavcodec_alloc_frame' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:110: undefined reference to avcodec_alloc_frame' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:115: undefined reference toavpicture_get_size' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:117: undefined reference to av_malloc' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:120: undefined reference tosws_getContext' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:137: undefined reference to avpicture_fill' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:146: undefined reference toavcodec_decode_video2' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:152: undefined reference to sws_scale' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:171: undefined reference toav_free_packet' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:142: undefined reference to av_read_frame' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:175: undefined reference toav_free' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:176: undefined reference to av_free' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:179: undefined reference toav_free' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:182: undefined reference to avcodec_close' /home/sangeeta/ffmpeg/ffmpeg-tutorial-master/tutorial01.c:185: undefined reference toavformat_close_input' collect2: ld returned 1 exit status make: *\ [bin/tutorial01.out] Error 1

[mpenkov]

From the first line of the error message, it is clear that you don't actually have sdl installed. You must install sdl. The problem will then go away.

The "undefined reference" linking errors suggest that you don't have ffmpeg properly installed. Obviously, you must install ffmpeg before you can build the tutorials. There's a link to detailed instructions for building ffmpeg in the project README.