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• shorten : fix "off by padding" bug

  22 mai 2013, par Michael Niedermayer

  shorten : fix "off by padding" bug
  Fixes array overread
  Found-by : Mateusz "j00ru" Jurczyk and Gynvael Coldwind
  
  Signed-off-by : Michael Niedermayer <michaelni@gmx.at>
  

  • [DH] libavcodec/shorten.c

• FFmpeg - invalid argument on a creation of MP4 with .SRT - "Unable to parse option value "Link_to_the.srt" as image size...?

  20 mai 2023, par sKunZel

  I'm stuck for 2 weeks on same problem on developping a command that bring together a .mp4 file consisting on a fixed image & audio from a .mp3 and then burnt-in subtitle from a stylized .srt into a new MP4.

  


  Here is my command :
 command = f"""ffmpeg -report -i "input_video_arg_abs" -vf "subtitles='input_srt_arg_abs':original_size=816x1456:force_style='FontName=Open Sans Italic,FontSize=13,MarginR=10,MarginV=149'" -c:v libx264 -crf 18 -c:a copy -movflags +faststart "output_video" """

  


  And you can see here the main script definitions of variables and call to fonction :

  


  


  input_srt = os.path.normpath(os.path.join(input_directory, srt_file))
print(f"Chemin du fichier SRT : input_srt")
reformat_srt(input_srt)
final_video_output=os.path.normpath(os.path.join(output_directory,
os.path.splitext(mp3_file)[0] + '.mp4'))
time.sleep(0.5)
create_final_video(temp_video_output, input_srt, final_video_output)

  


  


  This code generated an output file correctly named but 0 Ko. Every log i found indicated an error in the way of my .srt but when i print my input_srt it is correct.

  


  Here i add up some logs :

  


  [h264 @ 000002806874c340] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 2
[Parsed_subtitles_0 @ 0000028068d97d00] Setting 'filename' to value 'E'
[Parsed_subtitles_0 @ 0000028068d97d00] Setting 'original_size' to value 'YouTubeMcKennaWe_Plants_Are_Happy_PlantsSRTSans_programmation_paralleleinputTerence_McKenna_The_Good_the_True_and_the_Beautiful.srt'
[subtitles @ 0000028068f0de40] Unable to parse option value "YouTubeMcKennaWe_Plants_Are_Happy_PlantsSRTSans_programmation_paralleleinputTerence_McKenna_The_Good_the_True_and_the_Beautiful.srt" as image size
[Parsed_subtitles_0 @ 0000028068d97d00] Setting 'original_size' to value '816x1456'
[Parsed_subtitles_0 @ 0000028068d97d00] Setting 'force_style' to value 'FontName=Open Sans Italic,FontSize=13,MarginR=10,MarginV=149'
[Parsed_subtitles_0 @ 0000028068d97d00] Raster: FreeType 2.10.2
[Parsed_subtitles_0 @ 0000028068d97d00] Shaper: FriBidi 1.0.9 (SIMPLE)
[Parsed_subtitles_0 @ 0000028068d97d00] Initialized
[NULL @ 0000028068f0f480] Opening 'E' for reading
[file @ 000002806bf2b800] Setting default whitelist 'file,crypto'
[Parsed_subtitles_0 @ 0000028068d97d00] Unable to open E
[AVFilterGraph @ 0000028069044cc0] Error initializing filter 'subtitles' with args 'E:\YouTube\McKenna\We_Plants_Are_Happy_Plants\SRT\Sans_programmation_parallele\input\Terence_McKenna_The_Good_the_True_and_the_Beautiful.srt:original_size=816x1456:force_style=FontName=Open Sans Italic,FontSize=13,MarginR=10,MarginV=149'
Error reinitializing filters!
Failed to inject frame into filter network: No such file or directory
Error while processing the decoded data for stream #0:0
[AVIOContext @ 0000028068bbab80] Statistics: 0 seeks, 0 writeouts
[AVIOContext @ 0000028068693640] Statistics: 1370703 bytes read, 0 seeks
Conversion failed!


  


  I'm thinking of "E :" as the problem since on Windows it should be correct but with FFMPEG langage, i don't know...

  


  I wish anyone can help me, and will be glad if it is a tricky solution. Else, sorry for my newbism...
Thanks
sKunZel

  


• ffmpeg : remove "has_b_frames" backpassing

  3 juin 2014, par Michael Niedermayer

  ffmpeg : remove "has_b_frames" backpassing
  It seems working without this now for the files i tested it with, if this causes
  
  a regression, dont hesitate to put the line back or open a ticket or fix (if possible)
  
  the parser
  Signed-off-by : Michael Niedermayer <michaelni@gmx.at>
  

  • [DH] ffmpeg.c