michaelni changed the topic of #ffmpeg-devel to: Welcome to the FFmpeg development channel | Questions about using FFmpeg or developing with libav* libs should be asked in #ffmpeg | This channel is publicly logged | FFmpeg 6.1.1 has been released! | Please read ffmpeg.org/developer.html#Code-of-conduct
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<cone-235>
ffmpeg James Almer master:81c2557691b1: avcodec: remove some references to avcodec_close
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<cone-783>
ffmpeg Andreas Rheinhardt master:5e2b0862eb1d: tests/fate-run: Sanitize test argument
<Lynne>
"This new format contains both animated and static information in addition to still images."
<elenril>
jamrial: i'm sure our users are well-versed in topology
<courmisch>
I thought SVC had been erased from history, actually
<Lynne>
mvc was forgotten, until apple necromanced it with spatial video
<courmisch>
sounds like the inquisition needs to do some crusading in Cuppertino
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<jamrial>
mkver: nice
<mkver>
jamrial: Is it intended that stream groups are allowed to be created between avformat_init_output() and avformat_write_header()?
<jamrial>
i'm not sure, i haven't considered that
<jamrial>
do all muxers implement an init() function?
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<mkver>
No. And which one do is not public.
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<mkver>
Honestly, I never saw the point of avformat_init_output; avformat.h allows to modify lots of fields before avformat_write_header (without mentioning avformat_init_output) and this means that the init callbacks can actually not do their job properly, because so much can change after the init callbacks.
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<Lynne>
yeah, I've never used it, only avformat_alloc_output_context2 -> init pb -> write_header
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<little_pudding>
hello. what's the default AAC encoder used in ffmpeg 5 and 6 when built for windows? the one inside libavcodec i believe
<Lynne>
yes
<Traneptora>
depends on the build
<Traneptora>
iirc it uses fdk_aac if it's built-in, otherwise it uses built-in aac
<little_pudding>
is fdk-aac part of the libavcodec source distro, or it just uses it opportunistically?
<Traneptora>
no, it's an external library that can be compiled at compile-time
<little_pudding>
oki, thanks for the info
<Lynne>
Traneptora: nope
<Traneptora>
hm? does it default to built-in AAC?
<Lynne>
yes
<Traneptora>
when did that change? when it became marked as non-experimental?
<Lynne>
9 years ago?
<Traneptora>
(I don't remember when that happened)
<Traneptora>
holy was it really 9 years ago? time flies amirite
<little_pudding>
is it a licensing conundrum preventing fdk-aac from being the default?
<Traneptora>
no, built-in encoders tend to be defaulted to over external ones unless the built-in ones are experimental
<little_pudding>
what's libavcodec's built-in one then? based on libfaac?
<Traneptora>
no, it's its own thing, from scratch
<little_pudding>
interesting
<little_pudding>
thanks for the insights
<little_pudding>
little pudding retreats
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<Lynne>
...should've tried to flog opus
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<Marth64>
good day
<Marth64>
happy new year to some
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<elenril>
Lynne: in the dead horse sense?
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<Lynne>
opus is dead?
<elenril>
i hear our native encoder is unalive
<Lynne>
I have code that may improve it on standby
<Lynne>
but xhe-aac has somehow failed to endear aac to me
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<Lynne>
jkqxz: ping
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