jitsi-native-build-err-ffmpeg1x

GNU C (Ubuntu 4.8.4-2ubuntu1~14.04) version 4.8.4 (x86_64-linux-gnu)
	compiled by GNU C version 4.8.4, GMP version 5.1.3, MPFR version 3.1.2-p3, MPC version 1.0.1
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: 8e5167dd5049e4eb768f2a6a3a56b723
/home/mondain/workspace/github/libjitsi/src/main/c/org/jitsi/impl/neomedia/codec/FFmpeg.c: In function ‘Java_org_jitsi_impl_neomedia_codec_FFmpeg_avcodec_1encode_1audio’:
/home/mondain/workspace/github/libjitsi/src/main/c/org/jitsi/impl/neomedia/codec/FFmpeg.c:229:25: warning: ‘avcodec_encode_audio’ is deprecated (declared at /home/mondain/workspace/github/libjitsi/src/native/extras/ffmpeg/libavcodec/avcodec.h:4209) [-Wdeprecated-declarations]
                         avcodec_encode_audio(
                         ^
/home/mondain/workspace/github/libjitsi/src/main/c/org/jitsi/impl/neomedia/codec/FFmpeg.c: In function ‘Java_org_jitsi_impl_neomedia_codec_FFmpeg_avcodec_1encode_1video’:
/home/mondain/workspace/github/libjitsi/src/main/c/org/jitsi/impl/neomedia/codec/FFmpeg.c:272:21: warning: ‘avcodec_encode_video’ is deprecated (declared at /home/mondain/workspace/github/libjitsi/src/native/extras/ffmpeg/libavcodec/avcodec.h:4272) [-Wdeprecated-declarations]
                     avcodec_encode_video(
                     ^
/home/mondain/workspace/github/libjitsi/src/main/c/org/jitsi/impl/neomedia/codec/FFmpeg.c: In function ‘ffsink_query_formats’:
/home/mondain/workspace/github/libjitsi/src/main/c/org/jitsi/impl/neomedia/codec/FFmpeg.c:653:61: error: dereferencing pointer to incomplete type
         const int pix_fmts[] = { src->outputs[0]->in_formats->formats[0], -1 };
                                                             ^
/home/mondain/workspace/github/libjitsi/src/main/c/org/jitsi/impl/neomedia/codec/FFmpeg.c:656:9: warning: implicit declaration of function ‘avfilter_set_common_formats’ [-Wimplicit-function-declaration]
         avfilter_set_common_formats(ctx, ff_make_format_list(pix_fmts));
         ^
/home/mondain/workspace/github/libjitsi/src/main/c/org/jitsi/impl/neomedia/codec/FFmpeg.c:656:9: warning: implicit declaration of function ‘ff_make_format_list’ [-Wimplicit-function-declaration]
/home/mondain/workspace/github/libjitsi/src/main/c/org/jitsi/impl/neomedia/codec/FFmpeg.c:665:9: warning: implicit declaration of function ‘query_formats’ [-Wimplicit-function-declaration]
         err = query_formats(ctx);
         ^
/home/mondain/workspace/github/libjitsi/src/main/c/org/jitsi/impl/neomedia/codec/FFmpeg.c: In function ‘Java_org_jitsi_impl_neomedia_codec_FFmpeg_get_1filtered_1video_1frame’:
/home/mondain/workspace/github/libjitsi/src/main/c/org/jitsi/impl/neomedia/codec/FFmpeg.c:898:9: warning: implicit declaration of function ‘ff_request_frame’ [-Wimplicit-function-declaration]
         if (ff_request_frame(ffsink_->inputs[0]) == 0)