/usr/include/x86_64-linux-gnu/bits/stdio2.h:64:10: note: '__builtin___snprintf_chk' output between 6 and 1029 bytes into a destination of size 1024
   return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        __bos (__s), __fmt, __va_arg_pack ());
        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
libavformat/smoothstreamingenc.c:545:63: warning: '/FragmentInfo(' directive output may be truncated writing 14 bytes into a region of size between 1 and 1024 [-Wformat-truncation=]
         snprintf(header_filename, sizeof(header_filename), '%s/FragmentInfo(%s=%'PRIu64')', os->dirname, os->stream_type_tag, start_ts);
                                                               ^~~~~~~~~~~~~~
In file included from /usr/include/stdio.h:862:0,
                 from libavformat/avformat.h:310,
                 from libavformat/smoothstreamingenc.c:27:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:64:10: note: '__builtin___snprintf_chk' output 18 or more bytes (assuming 1041) into a destination of size 1024
   return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        __bos (__s), __fmt, __va_arg_pack ());
        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
libavformat/smoothstreamingenc.c:546:63: warning: '/Fragments(' directive output may be truncated writing 11 bytes into a region of size between 1 and 1024 [-Wformat-truncation=]
         snprintf(target_filename, sizeof(target_filename), '%s/Fragments(%s=%'PRIu64')', os->dirname, os->stream_type_tag, start_ts);
                                                               ^~~~~~~~~~~
In file included from /usr/include/stdio.h:862:0,
                 from libavformat/avformat.h:310,
                 from libavformat/smoothstreamingenc.c:27:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:64:10: note: '__builtin___snprintf_chk' output 15 or more bytes (assuming 1038) into a destination of size 1024
   return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        __bos (__s), __fmt, __va_arg_pack ());
        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
libavformat/smoothstreamingenc.c:538:53: warning: '/temp' directive output may be truncated writing 5 bytes into a region of size between 1 and 1024 [-Wformat-truncation=]
             snprintf(filename, sizeof(filename), '%s/temp', os->dirname);
                                                     ^~~~~
In file included from /usr/include/stdio.h:862:0,
                 from libavformat/avformat.h:310,
                 from libavformat/smoothstreamingenc.c:27:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:64:10: note: '__builtin___snprintf_chk' output between 6 and 1029 bytes into a destination of size 1024
   return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        __bos (__s), __fmt, __va_arg_pack ());
        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
libavformat/vorbiscomment.c: In function 'ff_vorbiscomment_write':
libavformat/vorbiscomment.c:103:63: warning: '%03d' directive output may be truncated writing between 3 and 10 bytes into a region of size 4 [-Wformat-truncation=]
             snprintf(chapter_number, sizeof(chapter_number), '%03d', i);
                                                               ^~~~
libavformat/vorbiscomment.c:103:62: note: directive argument in the range [0, 2147483647]
             snprintf(chapter_number, sizeof(chapter_number), '%03d', i);
                                                              ^~~~~~
In file included from /usr/include/stdio.h:862:0,
                 from libavformat/avio.h:30,
                 from libavformat/vorbiscomment.c:22:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:64:10: note: '__builtin___snprintf_chk' output between 4 and 11 bytes into a destination of size 4
   return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        __bos (__s), __fmt, __va_arg_pack ());
        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
libavformat/vorbiscomment.c:104:69: warning: '%02d' directive output may be truncated writing between 2 and 3 bytes into a region of size between 1 and 7 [-Wformat-truncation=]
             snprintf(chapter_time, sizeof(chapter_time), '%02d:%02d:%02d.%03d', h, m, s, ms);
                                                                     ^~~~
libavformat/vorbiscomment.c:104:58: note: directive argument in the range [-59, 59]
             snprintf(chapter_time, sizeof(chapter_time), '%02d:%02d:%02d.%03d', h, m, s, ms);
                                                          ^~~~~~~~~~~~~~~~~~~~~
libavformat/vorbiscomment.c:104:58: note: directive argument in the range [-999, 999]
In file included from /usr/include/stdio.h:862:0,
                 from libavformat/avio.h:30,
                 from libavformat/vorbiscomment.c:22:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:64:10: note: '__builtin___snprintf_chk' output between 13 and 21 bytes into a destination of size 13
   return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        __bos (__s), __fmt, __va_arg_pack ());
        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
libavcodec/aac/aacdec.c: In function 'ff_aac_output_configure':
libavcodec/aac/aacdec.c:333:47: warning: array subscript is above array bounds [-Warray-bounds]
             ff_aac_channel_map[layer][pos - 1][j+1] == AV_CHAN_NONE)
             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
libavcodec/aac/aacdec.c:333:47: warning: array subscript is above array bounds [-Warray-bounds]
             ff_aac_channel_map[layer][pos - 1][j+1] == AV_CHAN_NONE)
             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
libavcodec/dvenc.c: In function 'dv_encode_video_segment':
libavcodec/dvenc.c:817:81: warning: array subscript is above array bounds [-Warray-bounds]
                                     for (a2 = a + 1; b->next[k] >= mb_area_start[a2 + 1]; a2++)
                                                                    ~~~~~~~~~~~~~^~~~~~~~
libavcodec/dvenc.c:817:81: warning: array subscript is above array bounds [-Warray-bounds]
libavcodec/mobiclip.c: In function 'add_coefficients':
libavcodec/mobiclip.c:469:24: warning: array subscript is above array bounds [-Warray-bounds]
             int a = mat[x * size + y];
                     ~~~^~~~~~~~~~~~~~
libavcodec/mobiclip.c:473:16: warning: array subscript is above array bounds [-Warray-bounds]
             mat[x * size + y] = b;
             ~~~^~~~~~~~~~~~~~
libavcodec/mobiclip.c:469:24: warning: array subscript is above array bounds [-Warray-bounds]
             int a = mat[x * size + y];
                     ~~~^~~~~~~~~~~~~~
libavcodec/mobiclip.c:473:16: warning: array subscript is above array bounds [-Warray-bounds]
             mat[x * size + y] = b;
             ~~~^~~~~~~~~~~~~~
libavcodec/mobiclip.c:469:24: warning: array subscript is above array bounds [-Warray-bounds]
             int a = mat[x * size + y];
                     ~~~^~~~~~~~~~~~~~
libavcodec/mobiclip.c:473:16: warning: array subscript is above array bounds [-Warray-bounds]
             mat[x * size + y] = b;
             ~~~^~~~~~~~~~~~~~
libavcodec/mobiclip.c:469:24: warning: array subscript is above array bounds [-Warray-bounds]
             int a = mat[x * size + y];
                     ~~~^~~~~~~~~~~~~~
libavcodec/mobiclip.c:473:16: warning: array subscript is above array bounds [-Warray-bounds]
             mat[x * size + y] = b;
             ~~~^~~~~~~~~~~~~~
libavcodec/mobiclip.c:469:24: warning: array subscript is above array bounds [-Warray-bounds]
             int a = mat[x * size + y];
                     ~~~^~~~~~~~~~~~~~
libavcodec/mobiclip.c:473:16: warning: array subscript is above array bounds [-Warray-bounds]
             mat[x * size + y] = b;
             ~~~^~~~~~~~~~~~~~
libavcodec/mobiclip.c:469:24: warning: array subscript is above array bounds [-Warray-bounds]
             int a = mat[x * size + y];
                     ~~~^~~~~~~~~~~~~~
libavcodec/mobiclip.c:473:16: warning: array subscript is above array bounds [-Warray-bounds]
             mat[x * size + y] = b;
             ~~~^~~~~~~~~~~~~~
libavcodec/mobiclip.c:469:24: warning: array subscript is above array bounds [-Warray-bounds]
             int a = mat[x * size + y];
                     ~~~^~~~~~~~~~~~~~
libavcodec/mobiclip.c:473:16: warning: array subscript is above array bounds [-Warray-bounds]
             mat[x * size + y] = b;
             ~~~^~~~~~~~~~~~~~
libavcodec/mobiclip.c:469:24: warning: array subscript is above array bounds [-Warray-bounds]
             int a = mat[x * size + y];
                     ~~~^~~~~~~~~~~~~~
libavcodec/mobiclip.c:473:16: warning: array subscript is above array bounds [-Warray-bounds]
             mat[x * size + y] = b;
             ~~~^~~~~~~~~~~~~~
libavcodec/pcm.c: In function 'pcm_decode_init':
libavcodec/pcm.c:287:5: warning: 'sample_fmts' is deprecated [-Wdeprecated-declarations]
     avctx->sample_fmt = avctx->codec->sample_fmts[0];
     ^~~~~
In file included from libavcodec/avcodec.h:41:0,
                 from libavcodec/pcm.c:34:
libavcodec/codec.h:219:32: note: declared here
     const enum AVSampleFormat *sample_fmts; ///< @deprecated use avcodec_get_supported_config()
                                ^~~~~~~~~~~
libavcodec/sbcenc.c: In function 'sbc_encode_init':
libavcodec/sbcenc.c:263:5: warning: 'supported_samplerates' is deprecated [-Wdeprecated-declarations]
     for (int i = 0; avctx->codec->supported_samplerates[i]; i++)
     ^~~
In file included from libavcodec/avcodec.h:41:0,
                 from libavcodec/sbcenc.c:36:
libavcodec/codec.h:217:16: note: declared here
     const int *supported_samplerates;       ///< @deprecated use avcodec_get_supported_config()
                ^~~~~~~~~~~~~~~~~~~~~
libavcodec/sbcenc.c:264:9: warning: 'supported_samplerates' is deprecated [-Wdeprecated-declarations]
         if (avctx->sample_rate == avctx->codec->supported_samplerates[i])
         ^~
In file included from libavcodec/avcodec.h:41:0,
                 from libavcodec/sbcenc.c:36:
libavcodec/codec.h:217:16: note: declared here
     const int *supported_samplerates;       ///< @deprecated use avcodec_get_supported_config()
                ^~~~~~~~~~~~~~~~~~~~~
libavcodec/sga.c: In function 'decode_palmapdata':
libavcodec/sga.c:257:9: warning: variable 'ret' set but not used [-Wunused-but-set-variable]
     int ret;
         ^~~
libavcodec/sga.c: In function 'decode_tiledata':
libavcodec/sga.c:282:9: warning: variable 'ret' set but not used [-Wunused-but-set-variable]
     int ret;
         ^~~
In file included from /usr/include/SDL2/SDL_stdinc.h:31:0,
                 from /usr/include/SDL2/SDL_main.h:25,
                 from /usr/include/SDL2/SDL.h:32,
                 from fftools/ffplay_renderer.h:22,
                 from fftools/ffplay_renderer.c:23:
/usr/include/SDL2/SDL_config.h:186:0: warning: 'HAVE_PTHREAD_SETNAME_NP' redefined
 #define HAVE_PTHREAD_SETNAME_NP 1
 
In file included from fftools/ffplay_renderer.c:22:0:
./config.h:339:0: note: this is the location of the previous definition
 #define HAVE_PTHREAD_SETNAME_NP 0
 
In file included from /usr/include/SDL2/SDL_stdinc.h:31:0,
                 from /usr/include/SDL2/SDL_main.h:25,
                 from /usr/include/SDL2/SDL.h:32,
                 from fftools/ffplay.c:54:
/usr/include/SDL2/SDL_config.h:186:0: warning: 'HAVE_PTHREAD_SETNAME_NP' redefined
 #define HAVE_PTHREAD_SETNAME_NP 1
 
In file included from fftools/ffplay.c:26:0:
./config.h:339:0: note: this is the location of the previous definition
 #define HAVE_PTHREAD_SETNAME_NP 0
 
libavcodec/libavcodec.a(allcodecs.o):(.data.rel.ro+0x748): undefined reference to `ff_dnxuc_decoder'
libavcodec/libavcodec.a(parsers.o):(.data.rel.ro+0x78): undefined reference to `ff_dnxuc_parser'
collect2: error: ld returned 1 exit status
make: *** [ffprobe_g] Error 1
make: *** Waiting for unfinished jobs....
libavcodec/libavcodec.a(allcodecs.o):(.data.rel.ro+0x748): undefined reference to `ff_dnxuc_decoder'
libavcodec/libavcodec.a(parsers.o):(.data.rel.ro+0x78): undefined reference to `ff_dnxuc_parser'
collect2: error: ld returned 1 exit status
make: *** [ffmpeg_g] Error 1
libavcodec/libavcodec.a(allcodecs.o):(.data.rel.ro+0x748): undefined reference to `ff_dnxuc_decoder'
libavcodec/libavcodec.a(parsers.o):(.data.rel.ro+0x78): undefined reference to `ff_dnxuc_parser'
collect2: error: ld returned 1 exit status
make: *** [ffplay_g] Error 1