[gst-devel] Problem in ffmux_mov

Gurpreet gurpreet at tataelxsi.co.in
Wed Sep 1 06:30:39 CEST 2010


Hi All..

I m encoding pcm file with faac and then muxing it with ffmux_mov. I am 
using this pipeline. file is being played in VLC and QT player.

gst-launch filesrc blocksize=2048  
location=/home/Gurpreet/inputfilesmp4/Sample_Files/New_Folder/CH1_48000_mono_16bit.pcm 
! audio/x-raw-int, channels=1, rate=48000,  width=16, depth=16, 
endianness=1234, signed=true ! faac  ! aacparse ! audio/mpeg,rate=48000, 
channels=1, mpegversion=4, layer=3 ! ffmux_mov ! filesink 
location=/home/Gurpreet/outputfilesmp4/exp_mov.mov


But Whenever i m setting faac property "outputformat=1"  ( for ADTS 
Header ) then

gst-launch filesrc blocksize=2048  
location=/home/Gurpreet/inputfilesmp4/Sample_Files/New_Folder/CH1_48000_mono_16bit.pcm 
! audio/x-raw-int, channels=1, rate=48000,  width=16, depth=16, 
endianness=1234, signed=true ! faac  outputformat=1 ! aacparse ! 
audio/mpeg,rate=48000, channels=1, mpegversion=4, layer=3 ! ffmux_mov ! 
filesink location=/home/Gurpreet/outputfilesmp4/exp_mov.mov

then the generated file is being played in vlc but in QT bar is moving 
but no audio is coming. what could be the error ?
outputformat=0 is for RAW Aac
outputformat=1 is for ADTS

is this bug in ffmux_mov ? what could be the reason ?

Thanks
Gurpreet



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