/usr/include/arm-linux-gnueabihf/bits/stdio2.h:64:10: note: '__builtin___snprintf_chk' output between 13 and 1045 bytes into a destination of size 1024 return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ __bos (__s), __fmt, __va_arg_pack ()); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ libavformat/dashenc.c: In function 'dash_write_packet': libavformat/dashenc.c:2257:59: warning: '%s' directive output may be truncated writing up to 1023 bytes into a region of size between 1 and 1024 [-Wformat-truncation=] snprintf(os->full_path, sizeof(os->full_path), '%s%s', c->dirname, ^~ In file included from /usr/include/stdio.h:862:0, from ./libavutil/common.h:38, from ./libavutil/avutil.h:296, from libavformat/dashenc.c:30: /usr/include/arm-linux-gnueabihf/bits/stdio2.h:64:10: note: '__builtin___snprintf_chk' output between 1 and 2047 bytes into a destination of size 1024 return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ __bos (__s), __fmt, __va_arg_pack ()); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ libavformat/mlvdec.c: In function 'read_header': libavformat/mlvdec.c:361:63: warning: '__builtin___snprintf_chk' output may be truncated before the last format character [-Wformat-truncation=] snprintf(filename + strlen(filename) - 2, 3, '%02d', i); ^ In file included from /usr/include/stdio.h:862:0, from libavformat/avformat.h:311, from libavformat/mlvdec.c:30: /usr/include/arm-linux-gnueabihf/bits/stdio2.h:64:10: note: '__builtin___snprintf_chk' output between 3 and 4 bytes into a destination of size 3 return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ __bos (__s), __fmt, __va_arg_pack ()); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ libavformat/matroskaenc.c: In function 'mkv_write_trailer': libavformat/matroskaenc.c:3073:58: warning: '%012.9f' directive output may be truncated writing between 12 and 320 bytes into a region of size between 8 and 14 [-Wformat-truncation=] snprintf(duration_string, 20, '%02d:%02d:%012.9f', ^~~~~~~ In file included from /usr/include/stdio.h:862:0, from libavformat/avio.h:30, from libavformat/av1.h:26, from libavformat/matroskaenc.c:26: /usr/include/arm-linux-gnueabihf/bits/stdio2.h:64:10: note: '__builtin___snprintf_chk' output between 19 and 333 bytes into a destination of size 20 return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ __bos (__s), __fmt, __va_arg_pack ()); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ libavformat/movenc.c: In function 'mov_flush_fragment': libavformat/movenc.c:1111:8: warning: assuming signed overflow does not occur when assuming that (X - c) > X is always false [-Wstrict-overflow] if (cluster_idx >= track->entry) ^ libavformat/smoothstreamingenc.c: In function 'ism_flush': libavformat/smoothstreamingenc.c:509:49: 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:311, from libavformat/smoothstreamingenc.c:27: /usr/include/arm-linux-gnueabihf/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:544:63: 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:311, from libavformat/smoothstreamingenc.c:27: /usr/include/arm-linux-gnueabihf/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:545:63: 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:311, from libavformat/smoothstreamingenc.c:27: /usr/include/arm-linux-gnueabihf/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:537:53: 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:311, from libavformat/smoothstreamingenc.c:27: /usr/include/arm-linux-gnueabihf/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, 1073741823] 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/arm-linux-gnueabihf/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/arm-linux-gnueabihf/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/dvenc.c: In function 'dv_encode_video_segment': libavcodec/dvenc.c:786:81: 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:786:81: warning: array subscript is above array bounds [-Warray-bounds] libavcodec/mobiclip.c: In function 'add_coefficients': libavcodec/mobiclip.c:471:24: warning: array subscript is above array bounds [-Warray-bounds] int a = mat[x * size + y]; ~~~^~~~~~~~~~~~~~ libavcodec/mobiclip.c:475:16: warning: array subscript is above array bounds [-Warray-bounds] mat[x * size + y] = b; ~~~^~~~~~~~~~~~~~ libavcodec/mobiclip.c:471:24: warning: array subscript is above array bounds [-Warray-bounds] int a = mat[x * size + y]; ~~~^~~~~~~~~~~~~~ libavcodec/mobiclip.c:475:16: warning: array subscript is above array bounds [-Warray-bounds] mat[x * size + y] = b; ~~~^~~~~~~~~~~~~~ libavcodec/mobiclip.c:471:24: warning: array subscript is above array bounds [-Warray-bounds] int a = mat[x * size + y]; ~~~^~~~~~~~~~~~~~ libavcodec/mobiclip.c:475:16: warning: array subscript is above array bounds [-Warray-bounds] mat[x * size + y] = b; ~~~^~~~~~~~~~~~~~ libavcodec/mobiclip.c:471:24: warning: array subscript is above array bounds [-Warray-bounds] int a = mat[x * size + y]; ~~~^~~~~~~~~~~~~~ libavcodec/mobiclip.c:475:16: warning: array subscript is above array bounds [-Warray-bounds] mat[x * size + y] = b; ~~~^~~~~~~~~~~~~~ libavcodec/mobiclip.c:471:24: warning: array subscript is above array bounds [-Warray-bounds] int a = mat[x * size + y]; ~~~^~~~~~~~~~~~~~ libavcodec/mobiclip.c:475:16: warning: array subscript is above array bounds [-Warray-bounds] mat[x * size + y] = b; ~~~^~~~~~~~~~~~~~ libavcodec/mobiclip.c:471:24: warning: array subscript is above array bounds [-Warray-bounds] int a = mat[x * size + y]; ~~~^~~~~~~~~~~~~~ libavcodec/mobiclip.c:475:16: warning: array subscript is above array bounds [-Warray-bounds] mat[x * size + y] = b; ~~~^~~~~~~~~~~~~~ libavcodec/mobiclip.c:471:24: warning: array subscript is above array bounds [-Warray-bounds] int a = mat[x * size + y]; ~~~^~~~~~~~~~~~~~ libavcodec/mobiclip.c:475:16: warning: array subscript is above array bounds [-Warray-bounds] mat[x * size + y] = b; ~~~^~~~~~~~~~~~~~ libavcodec/mobiclip.c:471:24: warning: array subscript is above array bounds [-Warray-bounds] int a = mat[x * size + y]; ~~~^~~~~~~~~~~~~~ libavcodec/mobiclip.c:475:16: warning: array subscript is above array bounds [-Warray-bounds] mat[x * size + y] = b; ~~~^~~~~~~~~~~~~~ libavutil/timecode.c: In function 'av_timecode_make_string': libavutil/timecode.c:123:60: warning: '%0*d' directive output may be truncated writing between 1 and 10 bytes into a region of size between 2 and 14 [-Wformat-truncation=] snprintf(buf, AV_TIMECODE_STR_SIZE, '%s%02d:%02d:%02d%c%0*d', ^~~~ libavutil/timecode.c:123:41: note: directive argument in the range [0, 2147483647] snprintf(buf, AV_TIMECODE_STR_SIZE, '%s%02d:%02d:%02d%c%0*d', ^~~~~~~~~~~~~~~~~~~~~~~~ In file included from /usr/include/stdio.h:862:0, from libavutil/timecode.c:29: /usr/include/arm-linux-gnueabihf/bits/stdio2.h:64:10: note: '__builtin___snprintf_chk' output between 11 and 32 bytes into a destination of size 23 return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ __bos (__s), __fmt, __va_arg_pack ()); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from /usr/include/SDL2/SDL.h:38:0, from fftools/ffplay.c:59: /usr/include/SDL2/SDL_cpuinfo.h:63:5: warning: 'HAVE_IMMINTRIN_H' is not defined, evaluates to 0 [-Wundef] #if HAVE_IMMINTRIN_H && !defined(SDL_DISABLE_IMMINTRIN_H) ^~~~~~~~~~~~~~~~ doc/ffmpeg.texi:535: misplaced { doc/ffmpeg.texi:535: misplaced } make: *** [doc/ffmpeg.html] Error 1 make: *** Waiting for unfinished jobs....