alex@alex-laptop:/home/alex/video$ ffmpeg -loglevel debug -i source_for_25fps_video.264 -f null - | tee test_decode_of_264_25fps.log
ffmpeg version N-78936-g247fe3e Copyright (c) 2000-2016 the FFmpeg developers
built with gcc 5.2.1 (Ubuntu 5.2.1-22ubuntu2) 20151010
configuration:
libavutil 55. 19.100 / 55. 19.100
libavcodec 57. 27.101 / 57. 27.101
libavformat 57. 28.100 / 57. 28.100
libavdevice 57. 0.101 / 57. 0.101
libavfilter 6. 39.100 / 6. 39.100
libswscale 4. 0.100 / 4. 0.100
libswresample 2. 0.101 / 2. 0.101
Splitting the commandline.
Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument 'debug'.
Reading option '-i' ... matched as input file with argument 'source_for_25fps_video.264'.
Reading option '-f' ... matched as option 'f' (force format) with argument 'null'.
Reading option '-' ... matched as output file.
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 file source_for_25fps_video.264.
Successfully parsed a group of options.
Opening an input file: source_for_25fps_video.264.
[file @ 0x2b3dce0] Setting default whitelist 'file'
[h264 @ 0x2b3d3a0] Format h264 detected only with low score of 1, misdetection possible!
[h264 @ 0x2b3d3a0] Before avformat_find_stream_info() pos: 0 bytes read:1048576 seeks:0
[h264 @ 0x2b3e560] missing picture in access unit with size 140360
[h264 @ 0x2b3e560] Unknown NAL code: 28 (11024 bits)
[h264 @ 0x2b3e560] Unknown NAL code: 30 (3823 bits)
[h264 @ 0x2b3e560] Unknown NAL code: 15 (2679 bits)
[h264 @ 0x2b3e560] Unknown NAL code: 24 (3263 bits)
[h264 @ 0x2b3e560] Unknown NAL code: 14 (2410 bits)
[h264 @ 0x2b3e560] Unknown NAL code: 14 (3369 bits)
[h264 @ 0x2b3e560] data partitioning is not implemented. Update your FFmpeg version to the newest one from Git. If the problem still occurs, it means that your file has a feature which has not been implemented.
[h264 @ 0x2b3e560] If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-devel@ffmpeg.org)
[h264 @ 0x2b3e560] Unknown NAL code: 27 (2714 bits)
[h264 @ 0x2b3e560] Unknown NAL code: 21 (34831 bits)
[h264 @ 0x2b3e560] Unknown NAL code: 22 (4186 bits)
[h264 @ 0x2b3e560] no frame!
[h264 @ 0x2b3e560] missing picture in access unit with size 1765350612
[h264 @ 0x2b3d3a0] decoding for stream 0 failed
[h264 @ 0x2b3d3a0] Could not find codec parameters for stream 0 (Video: h264, 1 reference frame, none(left)): unspecified size
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[h264 @ 0x2b3d3a0] After avformat_find_stream_info() pos: 1765491712 bytes read:1765507072 seeks:0 frames:1
source_for_25fps_video.264: could not find codec parameters
Input #0, h264, from 'source_for_25fps_video.264':
Duration: N/A, bitrate: N/A
Stream #0:0, 1, 1/1200000: Video: h264, 1 reference frame, none(left), 25 tbr, 1200k tbn, 50 tbc
Successfully opened the file.
Parsing a group of options: output file -.
Applying option f (force format) with argument null.
Successfully parsed a group of options.
Opening an output file: -.
Successfully opened the file.
detected 2 logical cores
[graph 0 input from stream 0:0 @ 0x7fbee4037fe0] Setting 'video_size' to value '0x0'
[buffer @ 0x7fbee4038100] Unable to parse option value "0x0" as image size
[graph 0 input from stream 0:0 @ 0x7fbee4037fe0] Setting 'pix_fmt' to value '-1'
[buffer @ 0x7fbee4038100] Unable to parse option value "-1" as pixel format
[graph 0 input from stream 0:0 @ 0x7fbee4037fe0] Setting 'time_base' to value '1/1200000'
[graph 0 input from stream 0:0 @ 0x7fbee4037fe0] Setting 'pixel_aspect' to value '0/1'
[graph 0 input from stream 0:0 @ 0x7fbee4037fe0] Setting 'sws_param' to value 'flags=2'
[graph 0 input from stream 0:0 @ 0x7fbee4037fe0] Setting 'frame_rate' to value '50/2'
[buffer @ 0x7fbee4038100] Unable to parse option value "0x0" as image size
[buffer @ 0x7fbee4038100] Error setting option video_size to value 0x0.
[graph 0 input from stream 0:0 @ 0x7fbee4037fe0] Error applying options to the filter.
Error opening filters!
[AVIOContext @ 0x2b45e80] Statistics: 1765507072 bytes read, 0 seeks