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• ffmpeg seek calculating wrong byte range ?

  17 décembre 2015, par user4455

  I’m running into an issue while trying to extract thumbnails from a movie file at a specific timestamp. Generally I’ve had no issues with this, but I’ve come across a set of movie files that are getting an error about the byte range requested (416 Requested Range Not Satisfiable).

  The odd thing is that the server is correctly returning the content length in the partial content request, yet when it requests the movie file it requests a length that exceeds that.

  This is a bit over my head, so I’m not sure what could be happening here. Any insight would be great.

  The Command :

  /usr/bin/ffmpeg -y -ss 1400 -i 'https://s3-us-west-2.amazonaws.com/my-bucket/mymoviefile.mp4' -qscale:v 2 -f image2 -vframes 1 -filter:v 'scale=192:108' -loglevel debug /data/www/storage/test.jpg 2>&1

  The Error :

  [https @ 0x22e1e00] header='HTTP/1.1 416 Requested Range Not Satisfiable'
  
  [https @ 0x22e1e00] http_code=416
  
  [https @ 0x22e1e00] HTTP error 416 Requested Range Not Satisfiable

  Source File Size :

  1776706045 bytes

  Source Content Duration :

  2897.624271

  Partial Content Request :

  [https @ 0x22e1e00] header='HTTP/1.1 206 Partial Content'
  
  [https @ 0x22e1e00] http_code=206
  
  [https @ 0x22e1e00] header='x-amz-id-2: 4J1pgHExIUA0GxIxSBmGJjrRqliHbsIjXeuGzVfTlaaoVXbyZI5FQNma8fGaifcovkXfxJev5yU='
  
  [https @ 0x22e1e00] header='x-amz-request-id: 78B3BDBB0356EF40'
  
  [https @ 0x22e1e00] header='Date: Wed, 16 Dec 2015 23:51:29 GMT'
  
  [https @ 0x22e1e00] header='x-amz-meta-content-length: 2898'
  
  [https @ 0x22e1e00] header='x-amz-meta-cb-modifiedtime: Tue, 15 Dec 2015 17:59:51 GMT'
  
  [https @ 0x22e1e00] header='Last-Modified: Wed, 16 Dec 2015 23:44:59 GMT'
  
  [https @ 0x22e1e00] header='ETag: "6341a8022630667a8070a83575e542e7-27"'
  
  [https @ 0x22e1e00] header='Accept-Ranges: bytes'
  
  [https @ 0x22e1e00] header='Content-Range: bytes 0-1776706044/1776706045'
  
  [https @ 0x22e1e00] header='Content-Type: video/mp4'
  
  [https @ 0x22e1e00] header='Content-Length: 1776706045'
  
  [https @ 0x22e1e00] header='Server: AmazonS3'
  
  [https @ 0x22e1e00] header='Connection: close'

  FFmpeg Request :

  request: GET /my-bucket/mymoviefile.mp4 HTTP/1.1
  
  User-Agent: Lavf/56.25.101
  
  Accept: */*
  
  Range: bytes=1781732960-
  
  Connection: close
  
  Host: s3-us-west-2.amazonaws.com
  
  Icy-MetaData: 1

  Entire Log :

  # /usr/bin/ffmpeg -y -ss 1400 -i 'https://s3-us-west-2.amazonaws.com/my-bucket/mymoviefile.mp4' -qscale:v 2 -f image2 -vframes 1 -filter:v 'scale=192:108' -loglevel debug /data/www/storage/test.jpg 2>&1
  
  ffmpeg version 2.6.4 Copyright (c) 2000-2015 the FFmpeg developers
  
    built with gcc 4.9.2 (Debian 4.9.2-10)
  
    configuration: --prefix=/usr --extra-cflags='-g -O2 -fstack-protector-strong -Wformat -Werror=format-security ' --extra-ldflags='-Wl,-z,relro' --cc='ccache cc' --enable-shared --enable-libmp3lame --enable-gpl --enable-nonfree --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-x11grab --enable-libgsm --enable-libtheora --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-libspeex --enable-nonfree --disable-stripping --enable-libvpx --enable-libschroedinger --disable-encoder=libschroedinger --enable-version3 --enable-libopenjpeg --enable-librtmp --enable-avfilter --enable-libfreetype --enable-libvo-aacenc --disable-decoder=amrnb --enable-libvo-amrwbenc --enable-libaacplus --libdir=/usr/lib/x86_64-linux-gnu --disable-vda --enable-libbluray --enable-libcdio --enable-gnutls --enable-frei0r --enable-openssl --enable-libass --enable-libopus --enable-fontconfig --enable-libpulse --disable-mips32r2 --disable-mipsdspr1 --disable-mipsdspr2 --enable-libvidstab --enable-libzvbi --enable-avresample --disable-htmlpages --disable-podpages --enable-libutvideo --enable-libfdk-aac --enable-libx265 --enable-libiec61883 --enable-vaapi --enable-libdc1394 --disable-altivec --shlibdir=/usr/lib/x86_64-linux-gnu
  
    libavutil      54. 20.100 / 54. 20.100
  
    libavcodec     56. 26.100 / 56. 26.100
  
    libavformat    56. 25.101 / 56. 25.101
  
    libavdevice    56.  4.100 / 56.  4.100
  
    libavfilter     5. 11.102 /  5. 11.102
  
    libavresample   2.  1.  0 /  2.  1.  0
  
    libswscale      3.  1.101 /  3.  1.101
  
    libswresample   1.  1.100 /  1.  1.100
  
    libpostproc    53.  3.100 / 53.  3.100
  
  Splitting the commandline.
  
  Reading option '-y' ... matched as option 'y' (overwrite output files) with argument '1'.
  
  Reading option '-ss' ... matched as option 'ss' (set the start time offset) with argument '1400'.
  
  Reading option '-i' ... matched as input file with argument 'https://s3-us-west-2.amazonaws.com/my-bucket/mymoviefile.mp4'.
  
  Reading option '-qscale:v' ... matched as option 'qscale' (use fixed quality scale (VBR)) with argument '2'.
  
  Reading option '-f' ... matched as option 'f' (force format) with argument 'image2'.
  
  Reading option '-vframes' ... matched as option 'vframes' (set the number of video frames to output) with argument '1'.
  
  Reading option '-filter:v' ... matched as option 'filter' (set stream filtergraph) with argument 'scale=192:108'.
  
  Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument 'debug'.
  
  Reading option '/data/www/storage/test.jpg' ... matched as output file.
  
  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 https://s3-us-west-2.amazonaws.com/my-bucket/mymoviefile.mp4.
  
  Applying option ss (set the start time offset) with argument 1400.
  
  Successfully parsed a group of options.
  
  Opening an input file: https://s3-us-west-2.amazonaws.com/my-bucket/mymoviefile.mp4.
  
  [https @ 0x22e1e00] request: GET /my-bucket/mymoviefile.mp4 HTTP/1.1
  
  User-Agent: Lavf/56.25.101
  
  Accept: */*
  
  Range: bytes=0-
  
  Connection: close
  
  Host: s3-us-west-2.amazonaws.com
  
  Icy-MetaData: 1
  
  
  
  
  
  [https @ 0x22e1e00] header='HTTP/1.1 206 Partial Content'
  
  [https @ 0x22e1e00] http_code=206
  
  [https @ 0x22e1e00] header='x-amz-id-2: 4J1pgHExIUA0GxIxSBmGJjrRqliHbsIjXeuGzVfTlaaoVXbyZI5FQNma8fGaifcovkXfxJev5yU='
  
  [https @ 0x22e1e00] header='x-amz-request-id: 78B3BDBB0356EF40'
  
  [https @ 0x22e1e00] header='Date: Wed, 16 Dec 2015 23:51:29 GMT'
  
  [https @ 0x22e1e00] header='x-amz-meta-content-length: 2898'
  
  [https @ 0x22e1e00] header='x-amz-meta-cb-modifiedtime: Tue, 15 Dec 2015 17:59:51 GMT'
  
  [https @ 0x22e1e00] header='Last-Modified: Wed, 16 Dec 2015 23:44:59 GMT'
  
  [https @ 0x22e1e00] header='ETag: "6341a8022630667a8070a83575e542e7-27"'
  
  [https @ 0x22e1e00] header='Accept-Ranges: bytes'
  
  [https @ 0x22e1e00] header='Content-Range: bytes 0-1776706044/1776706045'
  
  [https @ 0x22e1e00] header='Content-Type: video/mp4'
  
  [https @ 0x22e1e00] header='Content-Length: 1776706045'
  
  [https @ 0x22e1e00] header='Server: AmazonS3'
  
  [https @ 0x22e1e00] header='Connection: close'
  
  [https @ 0x22e1e00] header=''
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 0x22e1740] Format mov,mp4,m4a,3gp,3g2,mj2 probed with size=2048 and score=100
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 0x22e1740] ISO: File Type Major Brand: mp42
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 0x22e1740] Before avformat_find_stream_info() pos: 1647960 bytes read:1652200 seeks:0
  
  [h264 @ 0x22e92c0] no picture
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 0x22e1740] All info found
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 0x22e1740] After avformat_find_stream_info() pos: 1862326 bytes read:1878504 seeks:0 frames:16
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'https://s3-us-west-2.amazonaws.com/my-bucket/mymoviefile.mp4':
  
    Metadata:
  
      major_brand     : mp42
  
      minor_version   : 1
  
      compatible_brands: isommp41avc1
  
      creation_time   : 2015-11-18 02:34:41
  
    Duration: 00:48:17.70, start: 0.000000, bitrate: 4905 kb/s
  
      Stream #0:0(und), 15, 1/2997: Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, left), 1920x1080 (1920x1088) [SAR 1:1 DAR 16:9], 1001/60000, 9994 kb/s, 29.97 fps, 29.97 tbr, 2997 tbn, 59.94 tbc (default)
  
      Metadata:
  
        creation_time   : 2015-11-18 02:34:41
  
        handler_name    : ?Apple Video Media Handler
  
      Stream #0:1(und), 1, 1/48000: Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 192 kb/s (default)
  
      Metadata:
  
        creation_time   : 2015-11-18 02:34:41
  
        handler_name    : ?Apple Sound Media Handler
  
  Successfully opened the file.
  
  Parsing a group of options: output file /data/www/storage/test.jpg.
  
  Applying option qscale:v (use fixed quality scale (VBR)) with argument 2.
  
  Applying option f (force format) with argument image2.
  
  Applying option vframes (set the number of video frames to output) with argument 1.
  
  Applying option filter:v (set stream filtergraph) with argument scale=192:108.
  
  Successfully parsed a group of options.
  
  Opening an output file: /data/www/storage/test.jpg.
  
  Successfully opened the file.
  
  detected 2 logical cores
  
  [Parsed_scale_0 @ 0x22cd4c0] Setting 'w' to value '192'
  
  [Parsed_scale_0 @ 0x22cd4c0] Setting 'h' to value '108'
  
  [Parsed_scale_0 @ 0x22cd4c0] Setting 'flags' to value '0x4'
  
  [Parsed_scale_0 @ 0x22cd4c0] w:192 h:108 flags:'0x4' interl:0
  
  [graph 0 input from stream 0:0 @ 0x22ccfe0] Setting 'video_size' to value '1920x1080'
  
  [graph 0 input from stream 0:0 @ 0x22ccfe0] Setting 'pix_fmt' to value '0'
  
  [graph 0 input from stream 0:0 @ 0x22ccfe0] Setting 'time_base' to value '1/2997'
  
  [graph 0 input from stream 0:0 @ 0x22ccfe0] Setting 'pixel_aspect' to value '1/1'
  
  [graph 0 input from stream 0:0 @ 0x22ccfe0] Setting 'sws_param' to value 'flags=2'
  
  [graph 0 input from stream 0:0 @ 0x22ccfe0] Setting 'frame_rate' to value '2997/100'
  
  [graph 0 input from stream 0:0 @ 0x22ccfe0] w:1920 h:1080 pixfmt:yuv420p tb:1/2997 fr:2997/100 sar:1/1 sws_param:flags=2
  
  [format @ 0x2798640] compat: called with args=[yuvj420p|yuvj422p|yuvj444p]
  
  [format @ 0x2798640] Setting 'pix_fmts' to value 'yuvj420p|yuvj422p|yuvj444p'
  
  [AVFilterGraph @ 0x22cda60] query_formats: 5 queried, 4 merged, 0 already done, 0 delayed
  
  [Parsed_scale_0 @ 0x22cd4c0] picking yuvj420p out of 3 ref:yuv420p alpha:0
  
  [swscaler @ 0x22c3c80] deprecated pixel format used, make sure you did set range correctly
  
  [Parsed_scale_0 @ 0x22cd4c0] w:1920 h:1080 fmt:yuv420p sar:1/1 -> w:192 h:108 fmt:yuvj420p sar:1/1 flags:0x4
  
  [mjpeg @ 0x2854e20] intra_quant_bias = 96 inter_quant_bias = 0
  
  [mjpeg @ 0x28716c0] intra_quant_bias = 96 inter_quant_bias = 0
  
  [mjpeg @ 0x2795320] intra_quant_bias = 96 inter_quant_bias = 0
  
  Output #0, image2, to '/data/www/storage/test.jpg':
  
    Metadata:
  
      major_brand     : mp42
  
      minor_version   : 1
  
      compatible_brands: isommp41avc1
  
      encoder         : Lavf56.25.101
  
      Stream #0:0(und), 0, 100/2997: Video: mjpeg, yuvj420p(pc, left), 192x108 [SAR 1:1 DAR 16:9], 100/2997, q=2-31, 200 kb/s, 29.97 fps, 29.97 tbn, 29.97 tbc (default)
  
      Metadata:
  
        creation_time   : 2015-11-18 02:34:41
  
        handler_name    : ?Apple Video Media Handler
  
        encoder         : Lavc56.26.100 mjpeg
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (h264 (native) -> mjpeg (native))
  
  Press [q] to stop, [?] for help
  
  [https @ 0x22e1e00] request: GET /my-bucket/mymoviefile.mp4 HTTP/1.1
  
  User-Agent: Lavf/56.25.101
  
  Accept: */*
  
  Range: bytes=1781732960-
  
  Connection: close
  
  Host: s3-us-west-2.amazonaws.com
  
  Icy-MetaData: 1
  
  
  
  
  
  [https @ 0x22e1e00] header='HTTP/1.1 416 Requested Range Not Satisfiable'
  
  [https @ 0x22e1e00] http_code=416
  
  [https @ 0x22e1e00] HTTP error 416 Requested Range Not Satisfiable
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 0x22e1740] stream 0, offset 0x6a331660: partial file
  
  https://s3-us-west-2.amazonaws.com/my-bucket/mymoviefile.mp4: Invalid data found when processing input
  
  [output stream 0:0 @ 0x22d7500] 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=N/A 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 (https://s3-us-west-2.amazonaws.com/my-bucket/mymoviefile.mp4):
  
    Input stream #0:0 (video): 0 packets read (0 bytes); 0 frames decoded;
  
    Input stream #0:1 (audio): 0 packets read (0 bytes);
  
    Total: 0 packets (0 bytes) demuxed
  
  Output file #0 (/data/www/storage/test.jpg):
  
    Output stream #0:0 (video): 0 frames encoded; 0 packets muxed (0 bytes);
  
    Total: 0 packets (0 bytes) muxed
  
  Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)
  
  0 frames successfully decoded, 0 decoding errors
  
  [AVIOContext @ 0x27ab100] Statistics: 1878504 bytes read, 0 seeks

  FFprobe Result :

  # /usr/bin/ffprobe -show_format -show_streams -i 'https://s3-us-west-2.amazonaws.com/my-bucket/mymoviefile.mp4'
  
  ffprobe version 2.6.4 Copyright (c) 2007-2015 the FFmpeg developers
  
    built with gcc 4.9.2 (Debian 4.9.2-10)
  
    configuration: --prefix=/usr --extra-cflags='-g -O2 -fstack-protector-strong -Wformat -Werror=format-security ' --extra-ldflags='-Wl,-z,relro' --cc='ccache cc' --enable-shared --enable-libmp3lame --enable-gpl --enable-nonfree --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-x11grab --enable-libgsm --enable-libtheora --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-libspeex --enable-nonfree --disable-stripping --enable-libvpx --enable-libschroedinger --disable-encoder=libschroedinger --enable-version3 --enable-libopenjpeg --enable-librtmp --enable-avfilter --enable-libfreetype --enable-libvo-aacenc --disable-decoder=amrnb --enable-libvo-amrwbenc --enable-libaacplus --libdir=/usr/lib/x86_64-linux-gnu --disable-vda --enable-libbluray --enable-libcdio --enable-gnutls --enable-frei0r --enable-openssl --enable-libass --enable-libopus --enable-fontconfig --enable-libpulse --disable-mips32r2 --disable-mipsdspr1 --disable-mipsdspr2 --enable-libvidstab --enable-libzvbi --enable-avresample --disable-htmlpages --disable-podpages --enable-libutvideo --enable-libfdk-aac --enable-libx265 --enable-libiec61883 --enable-vaapi --enable-libdc1394 --disable-altivec --shlibdir=/usr/lib/x86_64-linux-gnu
  
    libavutil      54. 20.100 / 54. 20.100
  
    libavcodec     56. 26.100 / 56. 26.100
  
    libavformat    56. 25.101 / 56. 25.101
  
    libavdevice    56.  4.100 / 56.  4.100
  
    libavfilter     5. 11.102 /  5. 11.102
  
    libavresample   2.  1.  0 /  2.  1.  0
  
    libswscale      3.  1.101 /  3.  1.101
  
    libswresample   1.  1.100 /  1.  1.100
  
    libpostproc    53.  3.100 / 53.  3.100
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'https://s3-us-west-2.amazonaws.com/my-bucket/mymoviefile.mp4':
  
    Metadata:
  
      major_brand     : mp42
  
      minor_version   : 1
  
      compatible_brands: isommp41avc1
  
      creation_time   : 2015-11-18 02:34:41
  
    Duration: 00:48:17.70, start: 0.000000, bitrate: 4905 kb/s
  
      Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv), 1920x1080 [SAR 1:1 DAR 16:9], 9994 kb/s, 29.97 fps, 29.97 tbr, 2997 tbn, 59.94 tbc (default)
  
      Metadata:
  
        creation_time   : 2015-11-18 02:34:41
  
        handler_name    : ?Apple Video Media Handler
  
      Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 192 kb/s (default)
  
      Metadata:
  
        creation_time   : 2015-11-18 02:34:41
  
        handler_name    : ?Apple Sound Media Handler
  
  [STREAM]
  
  index=0
  
  codec_name=h264
  
  codec_long_name=H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10
  
  profile=High
  
  codec_type=video
  
  codec_time_base=1001/60000
  
  codec_tag_string=avc1
  
  codec_tag=0x31637661
  
  width=1920
  
  height=1080
  
  has_b_frames=1
  
  sample_aspect_ratio=1:1
  
  display_aspect_ratio=16:9
  
  pix_fmt=yuv420p
  
  level=40
  
  color_range=tv
  
  color_space=unknown
  
  color_transfer=unknown
  
  color_primaries=unknown
  
  chroma_location=left
  
  timecode=N/A
  
  refs=3
  
  is_avc=1
  
  nal_length_size=4
  
  id=N/A
  
  r_frame_rate=2997/100
  
  avg_frame_rate=2997/100
  
  time_base=1/2997
  
  start_pts=0
  
  start_time=0.000000
  
  duration_ts=8684300
  
  duration=2897.664331
  
  bit_rate=9994429
  
  max_bit_rate=N/A
  
  bits_per_raw_sample=8
  
  nb_frames=86843
  
  nb_read_frames=N/A
  
  nb_read_packets=N/A
  
  DISPOSITION:default=1
  
  DISPOSITION:dub=0
  
  DISPOSITION:original=0
  
  DISPOSITION:comment=0
  
  DISPOSITION:lyrics=0
  
  DISPOSITION:karaoke=0
  
  DISPOSITION:forced=0
  
  DISPOSITION:hearing_impaired=0
  
  DISPOSITION:visual_impaired=0
  
  DISPOSITION:clean_effects=0
  
  DISPOSITION:attached_pic=0
  
  TAG:creation_time=2015-11-18 02:34:41
  
  TAG:language=und
  
  TAG:handler_name=Apple Video Media Handler
  
  [/STREAM]
  
  [STREAM]
  
  index=1
  
  codec_name=aac
  
  codec_long_name=AAC (Advanced Audio Coding)
  
  profile=LC
  
  codec_type=audio
  
  codec_time_base=1/48000
  
  codec_tag_string=mp4a
  
  codec_tag=0x6134706d
  
  sample_fmt=fltp
  
  sample_rate=48000
  
  channels=2
  
  channel_layout=stereo
  
  bits_per_sample=0
  
  id=N/A
  
  r_frame_rate=0/0
  
  avg_frame_rate=0/0
  
  time_base=1/48000
  
  start_pts=0
  
  start_time=0.000000
  
  duration_ts=139085965
  
  duration=2897.624271
  
  bit_rate=192002
  
  max_bit_rate=N/A
  
  bits_per_raw_sample=N/A
  
  nb_frames=135828
  
  nb_read_frames=N/A
  
  nb_read_packets=N/A
  
  DISPOSITION:default=1
  
  DISPOSITION:dub=0
  
  DISPOSITION:original=0
  
  DISPOSITION:comment=0
  
  DISPOSITION:lyrics=0
  
  DISPOSITION:karaoke=0
  
  DISPOSITION:forced=0
  
  DISPOSITION:hearing_impaired=0
  
  DISPOSITION:visual_impaired=0
  
  DISPOSITION:clean_effects=0
  
  DISPOSITION:attached_pic=0
  
  TAG:creation_time=2015-11-18 02:34:41
  
  TAG:language=und
  
  TAG:handler_name=Apple Sound Media Handler
  
  [/STREAM]
  
  [FORMAT]
  
  filename=https://s3-us-west-2.amazonaws.com/my-bucket/mymoviefile.mp4
  
  nb_streams=2
  
  nb_programs=0
  
  format_name=mov,mp4,m4a,3gp,3g2,mj2
  
  format_long_name=QuickTime / MOV
  
  start_time=0.000000
  
  duration=2897.695000
  
  size=1776706045
  
  bit_rate=4905156
  
  probe_score=100
  
  TAG:major_brand=mp42
  
  TAG:minor_version=1
  
  TAG:compatible_brands=isommp41avc1
  
  TAG:creation_time=2015-11-18 02:34:41
  
  [/FORMAT]

• FFMpeg SetSar value gets overriden

  8 décembre 2015, par user650922

  I have a video concatenating application where In all videos are converted to the same format .

  I am converting 640*360 video to 1080*720 with setsar=1:1 as

  ffmpeg -i C :\Users\work\Desktop\Esocializ\B.mp4 -s 1080*720 -ac 2 -vf setsar=1 :
  1 -acodec aac -strict experimental B1.mp4.

  However for some reasons its value get overridden.

  Any help would be appreciated .

  Below is my console output :

  C:\Users\work\Downloads\ffmpeg-20151130-git-7b11eea-win64-static\ffmpeg-20151130
  
  -git-7b11eea-win64-static\bin
  
  >ffmpeg -i C:\Users\work\Desktop\Esocializ\B.mp4 -s 1080*720 -ac 2 -vf setsar=1:
  
  1 -acodec aac -strict experimental B1.mp4
  
  ffmpeg version N-76957-g7b11eea Copyright (c) 2000-2015 the FFmpeg developers
  
    built with gcc 5.2.0 (GCC)
  
    configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
  
  isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
  
  le-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --
  
  enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-l
  
  ibilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enab
  
  le-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --en
  
  able-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --ena
  
  ble-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc
  
   --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enabl
  
  e-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --
  
  enable-lzma --enable-decklink --enable-zlib
  
    libavutil      55.  9.100 / 55.  9.100
  
    libavcodec     57. 16.101 / 57. 16.101
  
    libavformat    57. 19.100 / 57. 19.100
  
    libavdevice    57.  0.100 / 57.  0.100
  
    libavfilter     6. 17.100 /  6. 17.100
  
    libswscale      4.  0.100 /  4.  0.100
  
    libswresample   2.  0.101 /  2.  0.101
  
    libpostproc    54.  0.100 / 54.  0.100
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'C:\Users\work\Desktop\Esocializ\B.mp4':
  
  
  
    Metadata:
  
      major_brand     : mp42
  
      minor_version   : 0
  
      compatible_brands: isommp42
  
      creation_time   : 2015-02-11 06:48:50
  
    Duration: 00:00:35.04, start: 0.000000, bitrate: 676 kb/s
  
      Stream #0:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yu
  
  v420p, 640x360 [SAR 1:1 DAR 16:9], 577 kb/s, 30 fps, 30 tbr, 30 tbn, 60 tbc (def
  
  ault)
  
      Metadata:
  
        handler_name    : VideoHandler
  
      Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, flt
  
  p, 95 kb/s (default)
  
      Metadata:
  
        creation_time   : 2015-02-11 06:48:50
  
        handler_name    : IsoMedia File Produced by Google, 5-11-2011
  
  [Parsed_setsar_0 @ 000000f8a4c8bf20] num:den syntax is deprecated, please use nu
  
  m/den or named options instead
  
  [libx264 @ 000000f8a4919400] using SAR=32/27
  
  [libx264 @ 000000f8a4919400] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
  
  [libx264 @ 000000f8a4919400] profile High, level 3.1
  
  [libx264 @ 000000f8a4919400] 264 - core 148 r2638 7599210 - H.264/MPEG-4 AVC cod
  
  ec - Copyleft 2003-2015 - http://www.videolan.org/x264.html - options: cabac=1 r
  
  ef=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_pski
  
  p=1 chroma_qp_offset=-2 threads=12 lookahead_threads=2 sliced_threads=0 nr=0 dec
  
  imate=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 'B1.mp4':
  
    Metadata:
  
      major_brand     : mp42
  
      minor_version   : 0
  
      compatible_brands: isommp42
  
      encoder         : Lavf57.19.100
  
      Stream #0:0(und): Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 1
  
  080x720 [SAR 32:27 DAR 16:9], q=-1--1, 30 fps, 15360 tbn, 30 tbc (default)
  
      Metadata:
  
        handler_name    : VideoHandler
  
        encoder         : Lavc57.16.101 libx264
  
      Stream #0:1(und): Audio: aac ([64][0][0][0] / 0x0040), 44100 Hz, stereo, flt
  
  p, 128 kb/s (default)
  
      Metadata:
  
        creation_time   : 2015-02-11 06:48:50
  
        handler_name    : IsoMedia File Produced by Google, 5-11-2011
  
        encoder         : Lavc57.16.101 aac
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
  
    Stream #0:1 -> #0:1 (aac (native) -> aac (native))
  
  Press [q] to stop, [?] for help
  
  frame=   64 fps=0.0 q=29.0 size=      40kB time=00:00:01.92 bitrate= 168.9kbits/
  
  frame=  118 fps=115 q=29.0 size=     297kB time=00:00:03.87 bitrate= 626.4kbits/
  
  frame=  166 fps=109 q=29.0 size=     589kB time=00:00:05.34 bitrate= 904.1kbits/
  
  frame=  212 fps=104 q=29.0 size=     892kB time=00:00:06.80 bitrate=1074.1kbits/
  
  frame=  250 fps= 98 q=29.0 size=    1201kB time=00:00:08.26 bitrate=1190.0kbits/
  
  frame=  293 fps= 96 q=29.0 size=    1565kB time=00:00:09.72 bitrate=1318.0kbits/
  
  frame=  335 fps= 94 q=29.0 size=    1897kB time=00:00:11.19 bitrate=1388.7kbits/
  
  frame=  374 fps= 92 q=29.0 size=    2227kB time=00:00:12.56 bitrate=1452.5kbits/
  
  frame=  418 fps= 91 q=29.0 size=    2623kB time=00:00:13.93 bitrate=1542.3kbits/
  
  frame=  462 fps= 91 q=29.0 size=    2994kB time=00:00:15.11 bitrate=1622.5kbits/
  
  frame=  499 fps= 89 q=29.0 size=    3306kB time=00:00:16.55 bitrate=1635.7kbits/
  
  frame=  539 fps= 88 q=29.0 size=    3591kB time=00:00:18.01 bitrate=1632.5kbits/
  
  frame=  579 fps= 88 q=29.0 size=    3886kB time=00:00:19.27 bitrate=1651.9kbits/
  
  frame=  623 fps= 88 q=29.0 size=    4184kB time=00:00:20.48 bitrate=1673.4kbits/
  
  frame=  660 fps= 87 q=29.0 size=    4497kB time=00:00:21.91 bitrate=1680.8kbits/
  
  frame=  696 fps= 86 q=29.0 size=    4801kB time=00:00:23.28 bitrate=1688.8kbits/
  
  frame=  742 fps= 86 q=29.0 size=    5119kB time=00:00:24.84 bitrate=1687.9kbits/
  
  frame=  788 fps= 86 q=29.0 size=    5439kB time=00:00:26.30 bitrate=1693.7kbits/
  
  frame=  831 fps= 86 q=29.0 size=    5736kB time=00:00:27.77 bitrate=1692.2kbits/
  
  frame=  878 fps= 86 q=29.0 size=    6041kB time=00:00:29.23 bitrate=1692.7kbits/
  
  frame=  930 fps= 87 q=29.0 size=    6325kB time=00:00:31.18 bitrate=1661.6kbits/
  
  frame=  989 fps= 88 q=29.0 size=    6551kB time=00:00:32.99 bitrate=1626.4kbits/
  
  frame= 1043 fps= 89 q=29.0 size=    6786kB time=00:00:34.64 bitrate=1604.5kbits/
  
  frame= 1051 fps= 86 q=-1.0 Lsize=    7172kB time=00:00:35.03 bitrate=1676.7kbits
  
  /s
  
  video:6600kB audio:541kB subtitle:0kB other streams:0kB global headers:0kB muxin
  
  g overhead: 0.433214%
  
  [libx264 @ 000000f8a4919400] frame I:7     Avg QP:21.73  size: 19053
  
  [libx264 @ 000000f8a4919400] frame P:1006  Avg QP:26.11  size:  6523
  
  [libx264 @ 000000f8a4919400] frame B:38    Avg QP:27.27  size:  1616
  
  [libx264 @ 000000f8a4919400] consecutive B-frames: 93.7%  4.2%  0.6%  1.5%
  
  [libx264 @ 000000f8a4919400] mb I  I16..4: 10.1% 82.1%  7.8%
  
  [libx264 @ 000000f8a4919400] mb P  I16..4:  3.3%  5.4%  0.6%  P16..4: 22.7%  7.4
  
  %  2.4%  0.0%  0.0%    skip:58.2%
  
  [libx264 @ 000000f8a4919400] mb B  I16..4:  0.4%  0.4%  0.0%  B16..8: 19.6%  2.1
  
  %  0.3%  direct: 0.4%  skip:76.9%  L0:45.9% L1:48.7% BI: 5.4%
  
  [libx264 @ 000000f8a4919400] 8x8 transform intra:59.5% inter:77.2%
  
  [libx264 @ 000000f8a4919400] coded y,uvDC,uvAC intra: 34.4% 45.3% 13.7% inter: 9
  
  .7% 10.1% 0.3%
  
  [libx264 @ 000000f8a4919400] i16 v,h,dc,p: 36% 50%  3% 11%
  
  [libx264 @ 000000f8a4919400] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 26% 25% 26%  3%  4%
  
   5%  4%  4%  4%
  
  [libx264 @ 000000f8a4919400] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 32% 29% 17%  2%  4%
  
   5%  4%  3%  2%
  
  [libx264 @ 000000f8a4919400] i8c dc,h,v,p: 51% 25% 18%  6%
  
  [libx264 @ 000000f8a4919400] Weighted P-Frames: Y:0.5% UV:0.4%
  
  [libx264 @ 000000f8a4919400] ref P L0: 81.7% 10.7%  5.9%  1.7%  0.0%
  
  [libx264 @ 000000f8a4919400] ref B L0: 92.3%  7.2%  0.5%
  
  [libx264 @ 000000f8a4919400] ref B L1: 98.9%  1.1%
  
  [libx264 @ 000000f8a4919400] kb/s:1543.06
  
  [aac @ 000000f8a491dec0] Qavg: 686.824
  
  
  
  C:\Users\work\Downloads\ffmpeg-20151130-git-7b11eea-win64-static\ffmpeg-20151130
  
  -git-7b11eea-win64-static\bin
  
  >ffmpeg -i B1.mp4
  
  ffmpeg version N-76957-g7b11eea Copyright (c) 2000-2015 the FFmpeg developers
  
    built with gcc 5.2.0 (GCC)
  
    configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
  
  isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
  
  le-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --
  
  enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-l
  
  ibilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enab
  
  le-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --en
  
  able-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --ena
  
  ble-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc
  
   --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enabl
  
  e-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --
  
  enable-lzma --enable-decklink --enable-zlib
  
    libavutil      55.  9.100 / 55.  9.100
  
    libavcodec     57. 16.101 / 57. 16.101
  
    libavformat    57. 19.100 / 57. 19.100
  
    libavdevice    57.  0.100 / 57.  0.100
  
    libavfilter     6. 17.100 /  6. 17.100
  
    libswscale      4.  0.100 /  4.  0.100
  
    libswresample   2.  0.101 /  2.  0.101
  
    libpostproc    54.  0.100 / 54.  0.100
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'B1.mp4':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      encoder         : Lavf57.19.100
  
    Duration: 00:00:35.06, start: 0.023220, bitrate: 1675 kb/s
  
      Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1080x720
  
  [SAR 32:27 DAR 16:9], 1543 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
  
      Metadata:
  
        handler_name    : VideoHandler
  
      Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, flt
  
  p, 126 kb/s (default)
  
      Metadata:
  
        handler_name    : SoundHandler
  
  At least one output file must be specified
  
  
  
  C:\Users\work\Downloads\ffmpeg-20151130-git-7b11eea-win64-static\ffmpeg-20151130
  
  -git-7b11eea-win64-static\bin
  
  >

• video after ffmpeg command conversion is not playing on windows

  10 décembre 2015, par Hemant Kumar

  I am stuck at a very weird and complex problem, hoping if anyone know the solution :

  I am converting user uploaded video using ffmpeg command on server and it was working fine as well. Today I found that if a video is recorded by a webcam from windows, is playing well in linux as well as on windows where as if user is creating a video by webcam from linux, is playing only on linux (any browser). On window it’s screen either show loading icon or black screen while audio is working fine.

  I am using following codec :

  ['-strict', '-2', '-preset slow', '-maxrate 500k', '-bufsize 1000k', vfOption, '-threads 0', '-ab 64k', '-movflags faststart','-vf scale=-1:480', '-metadata:s:v:0 rotate=0', '-vcodec libx264']

  I work on linux and using html5 player on my website. I am converting video in mp4 format.

  Input :

  ffmpeg -i /<server path="path">/stream_FE2AF05B-E630-1F7B-390B-37325B31B362.flv -strict -2 -vcodec libx264 -preset slow -vb 500k -maxrate 500k -bufsize 1000k -vf 'scale=-1:480 ' -threads 0 -ab 64k -s 640x480 -movflags faststart -metadata:s:v:0 rotate=0 /<server path="path">/testing.mp4
  
  </server></server>

  Output :

  ffmpeg version 2.2.5 Copyright (c) 2000-2014 the FFmpeg developers
  
    built on Aug  1 2014 09:24:02 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
  
    configuration: --enable-gpl --enable-version3 --enable-nonfree --enable-postproc --enable-libtheora --enable-libx264 --enable-libvpx --enable-libmp3lame
  
    libavutil      52. 66.100 / 52. 66.100
  
    libavcodec     55. 52.102 / 55. 52.102
  
    libavformat    55. 33.100 / 55. 33.100
  
    libavdevice    55. 10.100 / 55. 10.100
  
    libavfilter     4.  2.100 /  4.  2.100
  
    libswscale      2.  5.102 /  2.  5.102
  
    libswresample   0. 18.100 /  0. 18.100
  
    libpostproc    52.  3.100 / 52.  3.100
  
  Input #0, flv, from '/<server path="path">/stream_FE2AF05B-E630-1F7B-390B-37325B31B362.flv':
  
    Metadata:
  
      canSeekToEnd    : true
  
    Duration: 00:00:04.04, start: 0.000000, bitrate: 636 kb/s
  
      Stream #0:0: Video: flv1, yuv420p, 640x480, 1k tbr, 1k tbn, 1k tbc
  
      Stream #0:1: Audio: nellymoser, 44100 Hz, mono, flt
  
  [libx264 @ 0x23c5340] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
  
  [libx264 @ 0x23c5340] profile High, level 5.2
  
  [libx264 @ 0x23c5340] 264 - core 142 r2453 ea0ca51 - H.264/MPEG-4 AVC codec - Copyleft 2003-2014 - http://www.videolan.org/x264.html - options: cabac=1 ref=5 deblock=1:0:0 analyse=0x3:0x113 me=umh subme=8 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=-2 threads=24 lookahead_threads=3 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=2 b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=50 rc=cbr mbtree=1 bitrate=500 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=500 vbv_bufsize=1000 nal_hrd=none filler=0 ip_ratio=1.40 aq=1:1.00
  
  Output #0, mp4, to '/<server path="path">/testing.mp4':
  
    Metadata:
  
      canSeekToEnd    : true
  
      encoder         : Lavf55.33.100
  
      Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 640x480, q=-1--1, 500 kb/s, 16k tbn, 1k tbc
  
      Metadata:
  
        rotate          : 0
  
      Stream #0:1: Audio: aac ([64][0][0][0] / 0x0040), 44100 Hz, mono, fltp, 64 kb/s
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (flv -> libx264)
  
    Stream #0:1 -> #0:1 (nellymoser -> aac)
  
  Press [q] to stop, [?] for help
  
  [mp4 @ 0x23c0200] Starting second pass: moving the moov atom to the beginning of the file2 drop=0    
  
  frame= 4020 fps=706 q=-1.0 Lsize=     355kB time=00:00:04.08 bitrate= 712.0kbits/s dup=3931 drop=0    
  
  video:271kB audio:32kB subtitle:0 data:0 global headers:0kB muxing overhead 16.957901%
  
  [libx264 @ 0x23c5340] frame I:17    Avg QP:27.55  size:  7119
  
  [libx264 @ 0x23c5340] frame P:1013  Avg QP:25.37  size:    88
  
  [libx264 @ 0x23c5340] frame B:2990  Avg QP:27.32  size:    22
  
  [libx264 @ 0x23c5340] consecutive B-frames:  0.8%  0.0%  0.1% 99.1%
  
  [libx264 @ 0x23c5340] mb I  I16..4: 42.0% 55.1%  2.9%
  
  [libx264 @ 0x23c5340] mb P  I16..4:  0.3%  0.4%  0.0%  P16..4:  0.6%  0.1%  0.0%  0.0%  0.0%    skip:98.6%
  
  [libx264 @ 0x23c5340] mb B  I16..4:  0.0%  0.0%  0.0%  B16..8:  0.2%  0.0%  0.0%  direct: 0.0%  skip:99.8%  L0:35.7% L1:64.3% BI: 0.0%
  
  [libx264 @ 0x23c5340] 8x8 transform intra:55.0% inter:84.5%
  
  [libx264 @ 0x23c5340] direct mvs  spatial:87.6% temporal:12.4%
  
  [libx264 @ 0x23c5340] coded y,uvDC,uvAC intra: 33.4% 51.9% 0.7% inter: 0.0% 0.1% 0.0%
  
  [libx264 @ 0x23c5340] i16 v,h,dc,p: 26% 54% 15%  5%
  
  [libx264 @ 0x23c5340] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 17% 16% 53%  3%  1%  2%  2%  3%  3%
  
  [libx264 @ 0x23c5340] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 15% 20% 13% 14%  5%  7%  7% 11%  8%
  
  [libx264 @ 0x23c5340] i8c dc,h,v,p: 43% 31% 23%  3%
  
  [libx264 @ 0x23c5340] Weighted P-Frames: Y:0.0% UV:0.0%
  
  [libx264 @ 0x23c5340] ref P L0: 80.9%  9.0%  6.9%  2.6%  0.7%
  
  [libx264 @ 0x23c5340] ref B L0: 89.4%  8.6%  1.8%  0.2%
  
  [libx264 @ 0x23c5340] ref B L1: 91.0%  9.0%
  
  [libx264 @ 0x23c5340] kb/s:551.72
  
  </server></server>

  ---

  Outout from file recorded on window :

  Input :

  ffmpeg -i /<server path="path">/stream_window.flv -strict -2 -vcodec libx264 -preset slow -vb 500k -maxrate 500k -bufsize 1000k -vf 'scale=-1:480 ' -threads 0 -ab 64k -s 640x480 -movflags faststart -metadata:s:v:0 rotate=0 /<server path="path">/testing_1.mp4
  
  </server></server>

  Output :

  ffmpeg version 2.2.5 Copyright (c) 2000-2014 the FFmpeg developers
  
    built on Aug  1 2014 09:24:02 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
  
    configuration: --enable-gpl --enable-version3 --enable-nonfree --enable-postproc --enable-libtheora --enable-libx264 --enable-libvpx --enable-libmp3lame
  
    libavutil      52. 66.100 / 52. 66.100
  
    libavcodec     55. 52.102 / 55. 52.102
  
    libavformat    55. 33.100 / 55. 33.100
  
    libavdevice    55. 10.100 / 55. 10.100
  
    libavfilter     4.  2.100 /  4.  2.100
  
    libswscale      2.  5.102 /  2.  5.102
  
    libswresample   0. 18.100 /  0. 18.100
  
    libpostproc    52.  3.100 / 52.  3.100
  
  Input #0, flv, from '/<server path="path">/stream_window.flv':
  
    Metadata:
  
      canSeekToEnd    : true
  
    Duration: 00:00:09.22, start: 0.000000, bitrate: 420 kb/s
  
      Stream #0:0: Video: flv1, yuv420p, 640x480, 1k tbr, 1k tbn, 1k tbc
  
      Stream #0:1: Audio: nellymoser, 44100 Hz, mono, flt
  
  [libx264 @ 0x1e09fc0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
  
  [libx264 @ 0x1e09fc0] profile High, level 5.2
  
  [libx264 @ 0x1e09fc0] 264 - core 142 r2453 ea0ca51 - H.264/MPEG-4 AVC codec - Copyleft 2003-2014 - http://www.videolan.org/x264.html - options: cabac=1 ref=5 deblock=1:0:0 analyse=0x3:0x113 me=umh subme=8 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=-2 threads=24 lookahead_threads=3 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=2 b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=50 rc=cbr mbtree=1 bitrate=500 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=500 vbv_bufsize=1000 nal_hrd=none filler=0 ip_ratio=1.40 aq=1:1.00
  
  Output #0, mp4, to '/<server path="path">/testing_1.mp4':
  
    Metadata:
  
      canSeekToEnd    : true
  
      encoder         : Lavf55.33.100
  
      Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 640x480, q=-1--1, 500 kb/s, 16k tbn, 1k tbc
  
      Metadata:
  
        rotate          : 0
  
      Stream #0:1: Audio: aac ([64][0][0][0] / 0x0040), 44100 Hz, mono, fltp, 64 kb/s
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (flv -> libx264)
  
    Stream #0:1 -> #0:1 (nellymoser -> aac)
  
  Press [q] to stop, [?] for help
  
  [mp4 @ 0x1e06220] Starting second pass: moving the moov atom to the beginning of the file7 drop=0    
  
  frame= 8936 fps=703 q=-1.0 Lsize=     771kB time=00:00:09.26 bitrate= 681.5kbits/s dup=8907 drop=0    
  
  video:585kB audio:73kB subtitle:0 data:0 global headers:0kB muxing overhead 17.106213%
  
  [libx264 @ 0x1e09fc0] frame I:40    Avg QP:29.54  size:  7449
  
  [libx264 @ 0x1e09fc0] frame P:2248  Avg QP:30.88  size:    69
  
  [libx264 @ 0x1e09fc0] frame B:6648  Avg QP:39.17  size:    22
  
  [libx264 @ 0x1e09fc0] consecutive B-frames:  0.8%  0.0%  0.1% 99.1%
  
  [libx264 @ 0x1e09fc0] mb I  I16..4: 36.8% 60.7%  2.5%
  
  [libx264 @ 0x1e09fc0] mb P  I16..4:  0.2%  0.3%  0.0%  P16..4:  0.4%  0.0%  0.0%  0.0%  0.0%    skip:98.9%
  
  [libx264 @ 0x1e09fc0] mb B  I16..4:  0.0%  0.0%  0.0%  B16..8:  0.2%  0.0%  0.0%  direct: 0.0%  skip:99.8%  L0:34.2% L1:65.8% BI: 0.0%
  
  [libx264 @ 0x1e09fc0] 8x8 transform intra:60.6% inter:87.6%
  
  [libx264 @ 0x1e09fc0] direct mvs  spatial:72.8% temporal:27.2%
  
  [libx264 @ 0x1e09fc0] coded y,uvDC,uvAC intra: 36.3% 62.8% 4.7% inter: 0.0% 0.0% 0.0%
  
  [libx264 @ 0x1e09fc0] i16 v,h,dc,p: 33% 46% 15%  7%
  
  [libx264 @ 0x1e09fc0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 23% 19% 46%  3%  1%  1%  1%  2%  4%
  
  [libx264 @ 0x1e09fc0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 36% 17% 14%  9%  4%  4%  5%  5%  7%
  
  [libx264 @ 0x1e09fc0] i8c dc,h,v,p: 42% 31% 23%  4%
  
  [libx264 @ 0x1e09fc0] Weighted P-Frames: Y:0.0% UV:0.0%
  
  [libx264 @ 0x1e09fc0] ref P L0: 82.6%  9.9%  5.2%  1.7%  0.5%
  
  [libx264 @ 0x1e09fc0] ref B L0: 87.1% 11.0%  1.4%  0.4%
  
  [libx264 @ 0x1e09fc0] ref B L1: 90.3%  9.7%
  
  [libx264 @ 0x1e09fc0] kb/s:536.03
  
  </server></server>

  ---

  Can anyone figure what could be the problem ?

  @LordNeckbeard : Please find the command and its output above. Thanks