ffmpeg version N-80250-ge826cee Copyright (c) 2000-2016 the FFmpeg developers
  built with gcc 4.9.3 (Ubuntu 4.9.3-5ubuntu1)
  configuration: --enable-nonfree --enable-nvenc --extra-cflags=-I../cudautils --extra-ldflags=-L../cudautils --enable-gpl --enable-libx264 --enable-libmp3lame --prefix=/home/shivam/LocalRoot
  libavutil      55. 24.100 / 55. 24.100
  libavcodec     57. 45.100 / 57. 45.100
  libavformat    57. 37.101 / 57. 37.101
  libavdevice    57.  0.101 / 57.  0.101
  libavfilter     6. 46.101 /  6. 46.101
  libswscale      4.  1.100 /  4.  1.100
  libswresample   2.  0.101 /  2.  0.101
  libpostproc    54.  0.100 / 54.  0.100
Splitting the commandline.
Reading option '-y' ... matched as option 'y' (overwrite output files) with argument '1'.
Reading option '-i' ... matched as input file with argument 'input.mp4'.
Reading option '-vcodec' ... matched as option 'vcodec' (force video codec ('copy' to copy stream)) with argument 'nvenc'.
Reading option '-b:v' ... matched as option 'b' (video bitrate (please use -b:v)) with argument '5M'.
Reading option '-acodec' ... matched as option 'acodec' (force audio codec ('copy' to copy stream)) with argument 'copy'.
Reading option 'output.mp4' ... matched as output file.
Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument 'debug'.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option y (overwrite output files) with argument 1.
Applying option loglevel (set logging level) with argument debug.
Successfully parsed a group of options.
Parsing a group of options: input file input.mp4.
Successfully parsed a group of options.
Opening an input file: input.mp4.
[file @ 0x3543ce0] Setting default whitelist 'file,crypto'
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x3543420] Format mov,mp4,m4a,3gp,3g2,mj2 probed with size=2048 and score=100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x3543420] ISO: File Type Major Brand: isom
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x3543420] Unknown dref type 0x08206c7275 size 12
    Last message repeated 1 times
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x3543420] Before avformat_find_stream_info() pos: 810040 bytes read:65536 seeks:1
[h264 @ 0x3544f80] nal_unit_type: 7, nal_ref_idc: 3
[h264 @ 0x3544f80] nal_unit_type: 8, nal_ref_idc: 3
[h264 @ 0x3544f80] nal_unit_type: 5, nal_ref_idc: 3
[h264 @ 0x3544f80] nal_unit_type: 1, nal_ref_idc: 2
    Last message repeated 5 times
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x3543420] All info found
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x3543420] rfps: 29.666667 0.017915
    Last message repeated 1 times
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x3543420] rfps: 29.750000 0.013930
    Last message repeated 1 times
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x3543420] rfps: 29.833333 0.010446
    Last message repeated 1 times
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x3543420] rfps: 29.916667 0.007462
    Last message repeated 1 times
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x3543420] rfps: 30.000000 0.004979
    Last message repeated 1 times
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x3543420] rfps: 31.000000 0.014231
    Last message repeated 1 times
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x3543420] rfps: 60.000000 0.019916
    Last message repeated 1 times
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x3543420] rfps: 29.970030 0.005814
    Last message repeated 1 times
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x3543420] After avformat_find_stream_info() pos: 1551167 bytes read:828524 seeks:3 frames:70
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'input.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 0
    compatible_brands: isom3gp4
    creation_time   : 2016-04-01 03:22:57
  Duration: 00:00:54.40, start: 0.000000, bitrate: 8167 kb/s
    Stream #0:0(eng), 21, 1/90000: Video: h264 (Baseline), 1 reference frame (avc1 / 0x31637661), yuv420p(left), 1280x720 (0x0), 0/1, 7982 kb/s, SAR 1:1 DAR 16:9, 30.37 fps, 30 tbr, 90k tbn, 180k tbc (default)
    Metadata:
      creation_time   : 2016-04-01 03:22:57
      handler_name    : VideoHandle
    Stream #0:1(eng), 49, 1/48000: Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 96 kb/s (default)
    Metadata:
      creation_time   : 2016-04-01 03:22:57
      handler_name    : SoundHandle
Successfully opened the file.
Parsing a group of options: output file output.mp4.
Applying option vcodec (force video codec ('copy' to copy stream)) with argument nvenc.
Applying option b:v (video bitrate (please use -b:v)) with argument 5M.
Applying option acodec (force audio codec ('copy' to copy stream)) with argument copy.
Successfully parsed a group of options.
Opening an output file: output.mp4.
[file @ 0x360e5c0] Setting default whitelist 'file,crypto'
Successfully opened the file.
detected 4 logical cores
[graph 0 input from stream 0:0 @ 0x3560ce0] Setting 'video_size' to value '1280x720'
[graph 0 input from stream 0:0 @ 0x3560ce0] Setting 'pix_fmt' to value '0'
[graph 0 input from stream 0:0 @ 0x3560ce0] Setting 'time_base' to value '1/90000'
[graph 0 input from stream 0:0 @ 0x3560ce0] Setting 'pixel_aspect' to value '1/1'
[graph 0 input from stream 0:0 @ 0x3560ce0] Setting 'sws_param' to value 'flags=2'
[graph 0 input from stream 0:0 @ 0x3560ce0] Setting 'frame_rate' to value '30/1'
[graph 0 input from stream 0:0 @ 0x3560ce0] w:1280 h:720 pixfmt:yuv420p tb:1/90000 fr:30/1 sar:1/1 sws_param:flags=2
[format @ 0x36171e0] compat: called with args=[yuv420p|nv12|yuv444p]
[format @ 0x36171e0] Setting 'pix_fmts' to value 'yuv420p|nv12|yuv444p'
[AVFilterGraph @ 0x3560c00] query_formats: 4 queried, 3 merged, 0 already done, 0 delayed
[h264 @ 0x3617e00] nal_unit_type: 7, nal_ref_idc: 3
[h264 @ 0x3617e00] nal_unit_type: 8, nal_ref_idc: 3
[nvenc @ 0x3598880] Nvenc initialized successfully
[nvenc @ 0x3598880] 1 CUDA capable devices found
[nvenc @ 0x3598880] [ GPU #0 - < GeForce 930M > has Compute SM 5.0 ]
[nvenc @ 0x3598880] OpenEncodeSessionEx failed: unsupported device (2)
[nvenc @ 0x3598880] No NVENC capable devices found
[nvenc @ 0x3598880] Nvenc unloaded
Output #0, mp4, to 'output.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 0
    compatible_brands: isom3gp4
    Stream #0:0(eng), 0, 0/0: Unknown: none, SAR 1:1 DAR 0:0 (default)
    Metadata:
      creation_time   : 2016-04-01 03:22:57
      handler_name    : VideoHandle
      encoder         : Lavc57.45.100 nvenc
    Stream #0:1(eng), 0, 0/0: Unknown: none (default)
    Metadata:
      creation_time   : 2016-04-01 03:22:57
      handler_name    : SoundHandle
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> h264 (nvenc))
  Stream #0:1 -> #0:1 (copy)
Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height
[AVIOContext @ 0x360e3c0] Statistics: 0 seeks, 0 writeouts
[AVIOContext @ 0x354c040] Statistics: 828524 bytes read, 3 seeks