[FFmpeg-trac] #5910(undetermined:new): AAC to PCM conversion inserts extra silence in the beginning
FFmpeg
trac at avcodec.org
Tue Nov 1 12:51:19 EET 2016
#5910: AAC to PCM conversion inserts extra silence in the beginning
-------------------------------------+-------------------------------------
Reporter: | Owner:
jwilhelmsson | Status: new
Type: defect | Component:
Priority: normal | undetermined
Version: unspecified | Resolution:
Keywords: aac pcm | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Comment (by jwilhelmsson):
Weird, for two of the files qt-faststart fails (see below). But I tried
extracting larger chunks and managed to get playable files from all three
without including too much of the actual content (to avoid the wrath of
our client).
{{{
qt-faststart g_org.mp4 g_fs.mp4
ftyp 0 24
moov 24 2593869
skip 2593893 10248
mdat 2604141 1974368143
last atom in file was not a moov atom
qt-faststart td101_org.mp4 td101_fs.mp4
ftyp 0 24
moov 24 292864
mdat 292888 92353661
free 92646549 59
last atom in file was not a moov atom
qt-faststart tj103_org.mov tj103_fs.mov
ftyp 0 20
wide 20 8
mdat 28 204441012
moov 204441040 874408
patching stco atom...
patching stco atom...
patching stco atom...
writing ftyp atom...
writing moov atom...
copying rest of file...
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/5910#comment:15>
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