[FFmpeg-trac] #6567(undetermined:new): aac format profile always LTP in 3.2.x by filter aac_adtstoasc
FFmpeg
trac at avcodec.org
Fri Aug 4 17:31:28 EEST 2017
#6567: aac format profile always LTP in 3.2.x by filter aac_adtstoasc
-------------------------------------+-------------------------------------
Reporter: kwsk | Type: defect
Status: new | Priority: normal
Component: | Version:
undetermined | unspecified
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Summary of the bug:
aac format profile is always LTP in 3.2.x by filter aac_adtstoasc
LTP was not compatible for iphone or ipad
So, I want Format profile to be LC
Is there any setting for it?
How to reproduce:
{{{
% ffmpeg -y -i input.ts -metadata creation_time="$(
date --utc +'%F%T')" -vcodec h264_qsv -b:v 2800k -s 1280\x720 -acodec copy
-bsf:a aac_adtstoasc -bufsize 20000k -maxrate 25
000k -movflags faststart -f mp4 -look_ahead 0 output.ts
.mp4.rec
Audio
ID : 2
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LTP
Codec ID : 40
Duration : 29 min 19 s
Duration_FirstFrame : -21 ms
Bit rate mode : Constant
Bit rate : 252 kb/s
Channel(s) : 2 channels
Channel(s)_Original : 1 channel
Channel positions : Front: C
Sampling rate : 11.025 kHz
Frame rate : 10.767 FPS (1024 spf)
Compression mode : Lossy
Stream size : 52.9 MiB (9%)
Default : Yes
Alternate group : 1
}}}
Patches should be submitted to the ffmpeg-devel mailing list and not this
bug tracker.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/6567>
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