ffmpeg -loglevel debug -framerate 60 -i triangle%03d.tga triangle.mp4

ffmpeg version 2.8.15 Copyright (c) 2000-2018 the FFmpeg developers
  built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-36)
  configuration: --prefix=/usr --bindir=/usr/bin --datadir=/usr/share/ffmpeg --incdir=/usr/include/ffmpeg --libdir=/usr/lib64 --mandir=/usr/share/man --arch=x86_64 --optflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic' --extra-ldflags='-Wl,-z,relro ' --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libvo-amrwbenc --enable-version3 --enable-bzlib --disable-crystalhd --enable-gnutls --enable-ladspa --enable-libass --enable-libcdio --enable-libdc1394 --enable-libfdk-aac --enable-nonfree --disable-indev=jack --enable-libfreetype --enable-libgsm --enable-libmp3lame --enable-openal --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libv4l2 --enable-libx264 --enable-libx265 --enable-libxvid --enable-x11grab --enable-avfilter --enable-avresample --enable-postproc --enable-pthreads --disable-static --enable-shared --enable-gpl --disable-debug --disable-stripping --shlibdir=/usr/lib64 --enable-runtime-cpudetect
  libavutil      54. 31.100 / 54. 31.100
  libavcodec     56. 60.100 / 56. 60.100
  libavformat    56. 40.101 / 56. 40.101
  libavdevice    56.  4.100 / 56.  4.100
  libavfilter     5. 40.101 /  5. 40.101
  libavresample   2.  1.  0 /  2.  1.  0
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  2.101 /  1.  2.101
  libpostproc    53.  3.100 / 53.  3.100
Splitting the commandline.
Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument 'debug'.
Reading option '-framerate' ... matched as AVOption 'framerate' with argument '60'.
Reading option '-i' ... matched as input url with argument 'triangle%03d.tga'.
Reading option 'triangle.mp4' ... matched as output url.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option loglevel (set logging level) with argument debug.
Successfully parsed a group of options.
Parsing a group of options: input url triangle%03d.tga.
Successfully parsed a group of options.
Opening an input file: triangle%03d.tga.
[AVIOContext @ 0x2311880] Statistics: 6217728 bytes read, 0 seeks
[targa @ 0x230efc0] Not enough data available for image
[image2 @ 0x230dbe0] Probe buffer size limit of 5000000 bytes reached
Input #0, image2, from 'triangle%03d.tga':
  Duration: 00:00:06.00, start: 0.000000, bitrate: N/A
    Stream #0:0, 1, 1/60: Video: targa, 1 reference frame, bgr24, 1920x1080, 1/60, 60 tbr, 60 tbn, 60 tbc
Successfully opened the file.
Parsing a group of options: output url triangle.mp4.
Successfully parsed a group of options.
Opening an output file: triangle.mp4.
File 'triangle.mp4' already exists. Overwrite ? [y/N] y
Successfully opened the file.
detected 5 logical cores
[graph 0 input from stream 0:0 @ 0x2313e00] Setting 'video_size' to value '1920x1080'
[graph 0 input from stream 0:0 @ 0x2313e00] Setting 'pix_fmt' to value '3'
[graph 0 input from stream 0:0 @ 0x2313e00] Setting 'time_base' to value '1/60'
[graph 0 input from stream 0:0 @ 0x2313e00] Setting 'pixel_aspect' to value '0/1'
[graph 0 input from stream 0:0 @ 0x2313e00] Setting 'sws_param' to value 'flags=2'
[graph 0 input from stream 0:0 @ 0x2313e00] Setting 'frame_rate' to value '60/1'
[graph 0 input from stream 0:0 @ 0x2313e00] w:1920 h:1080 pixfmt:bgr24 tb:1/60 fr:60/1 sar:0/1 sws_param:flags=2
[format @ 0x2312840] compat: called with args=[yuv420p|yuvj420p|yuv422p|yuvj422p|yuv444p|yuvj444p|nv12|nv16]
[format @ 0x2312840] Setting 'pix_fmts' to value 'yuv420p|yuvj420p|yuv422p|yuvj422p|yuv444p|yuvj444p|nv12|nv16'
[auto-inserted scaler 0 @ 0x23126e0] Setting 'flags' to value 'bicubic'
[auto-inserted scaler 0 @ 0x23126e0] w:iw h:ih flags:'bicubic' interl:0
[format @ 0x2312840] auto-inserting filter 'auto-inserted scaler 0' between the filter 'Parsed_null_0' and the filter 'format'
[AVFilterGraph @ 0x2313780] query_formats: 4 queried, 2 merged, 1 already done, 0 delayed
[auto-inserted scaler 0 @ 0x23126e0] picking yuv444p out of 7 ref:bgr24 alpha:0
[auto-inserted scaler 0 @ 0x23126e0] w:1920 h:1080 fmt:bgr24 sar:0/1 -> w:1920 h:1080 fmt:yuv444p sar:0/1 flags:0x4
No pixel format specified, yuv444p for H.264 encoding chosen.
Use -pix_fmt yuv420p for compatibility with outdated media players.
[libx264 @ 0x2310640] using mv_range_thread = 72
[libx264 @ 0x2310640] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX AVX2 LZCNT
[libx264 @ 0x2310640] profile High 4:4:4 Predictive, level 4.2, 4:4:4 8-bit
[libx264 @ 0x2310640] 264 - core 142 r2495 6a301b6 - H.264/MPEG-4 AVC codec - Copyleft 2003-2014 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=4 threads=7 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'triangle.mp4':
  Metadata:
    encoder         : Lavf56.40.101
    Stream #0:0, 0, 1/15360: Video: h264 (libx264), -1 reference frame ([33][0][0][0] / 0x0021), yuv444p, 1920x1080, 1/60, q=-1--1, 60 fps, 15360 tbn, 60 tbc
    Metadata:
      encoder         : Lavc56.60.100 libx264
Stream mapping:
  Stream #0:0 -> #0:0 (targa (native) -> h264 (libx264))
Press [q] to stop, [?] for help
[targa @ 0x23113e0] Not enough data available for image
Error while decoding stream #0:0: Invalid data found when processing input
[AVIOContext @ 0x31afe60] Statistics: 6217728 bytes read, 0 seeks
[targa @ 0x23113e0] Not enough data available for image
Error while decoding stream #0:0: Invalid data found when processing input
[AVIOContext @ 0x31afe60] Statistics: 6217728 bytes read, 0 seeks
[targa @ 0x23113e0] Not enough data available for image
Error while decoding stream #0:0: Invalid data found when processing input
[AVIOContext @ 0x31afe60] Statistics: 0 bytes read, 0 seeks
[output stream 0:0 @ 0x2312f60] EOF on sink link output stream 0:0:default.
No more output streams to write to, finishing.
frame=    0 fps=0.0 q=0.0 Lsize=       0kB time=00:00:00.00 bitrate=N/A
video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
Input file #0 (triangle%03d.tga):
  Input stream #0:0 (video): 3 packets read (18653184 bytes); 0 frames decoded;
  Total: 3 packets (18653184 bytes) demuxed
Output file #0 (triangle.mp4):
  Output stream #0:0 (video): 0 frames encoded; 0 packets muxed (0 bytes);
  Total: 0 packets (0 bytes) muxed
0 frames successfully decoded, 3 decoding errors
[AVIOContext @ 0x2313d00] Statistics: 4 seeks, 4 writeouts
Conversion failed!