Opened 4 days ago

Last modified 4 days ago

#6901 new enhancement

AAC cbr encoding

Reported by: romario Owned by:
Priority: wish Component: avcodec
Version: git-master Keywords: aac
Cc: Blocked By:
Blocking: Reproduced by developer: no
Analyzed by developer: no

Description

Summary of the bug:
How to reproduce:

ffmpeg.exe -y -i example.flac -f mp4 -b:a 320k output_320.mp4

Actual result : mp4 file has 334k bitrate
Expected result : mp4 file has 320k bitrate

Change History (2)

comment:1 Changed 4 days ago by Gyan

The native AAC encoder does not have a true CBR mode. The external FDK_AAC encoder does.

comment:2 Changed 4 days ago by cehoyos

  • Component changed from ffmpeg to avcodec
  • Keywords aac added; mp4 bitrate removed
  • Priority changed from normal to wish
  • Summary changed from FFmpeg mp4 bitrate is higher than specified to AAC cbr encoding
  • Type changed from defect to enhancement
  • Version changed from 3.4 to git-master
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