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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<Marth64>
evening
<Sean_McG>
Marth :)
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<Sean_McG>
I want to learn AltiVec and VSX -- I run QEMU right now for the ppc FATE nodes. I have access to power7/8/9/10 machines -- I'm just not allowed to use them as "CI nodes"
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<Sean_McG>
One of the universities here has a large section of computer books and it would surprise me if they didn't have anything on AltiVec at the least.
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<Sean_McG>
I'd learn better in a classroom setting, but I don't think they offer any courses specifically on POWER arch.
<Marth64>
that sounds fun, fascinating :D
<Marth64>
PS3 cell cpu is a PPC
<Marth64>
maybe theres more books and docs on that?
<Sean_McG>
yes, but they don't allow Linux on it anymore
<Marth64>
ahhh yes
<Sean_McG>
the Cell is also unique because of the SPUs.
<Sean_McG>
and I was browsing the gcc release notes and it seems they dropped support for compiling for SPU a few releases ago.
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<Marth64>
old Macs i guess?
<Marth64>
wish i still had one for nostalgia
<Sean_McG>
yes, I am looking for an old G4 Mac
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<jafa>
I am seeing a possible memory leak (top shows slow growth in memory use and eventually the oom killer kills ffmpeg). Are there any tricks in place I could use to help track the leak down?
<Marth64>
i'll keep you in mind if i run into one
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<Sean_McG>
I did have a G4 Mac Mini, but when I plugged it in a few months ago it let out the magic smoke, so I think it is dead.
<Sean_McG>
jafa: you could run it under 'valgrind', as long as you are running a build that has debug symbols
<Sean_McG>
oh wait that is the server... I had the desktop version
<Sean_McG>
but it was the Quicksilver
<Marth64>
yeah looks like a boss machine for its time
<Marth64>
i had a Sony VAIO around that era
<Sean_McG>
it was... for software that was AltiVec-accelerated, it ran rings around the equivalent on x86 hardware which was of higher clock.
<Marth64>
Wii/GC are PPC too, but not sure they have that power
<Sean_McG>
the Wii was a PowerPC "Gekko"... it didn't have AltiVec
<Marth64>
i think they have build chains that work though
<Marth64>
ahh
<Sean_McG>
because games would accelerate on the GPU... which I believe was a Radeon of some sort
<Marth64>
yes i think the legend goes ArtX made the chip, ATI bought them and used it for their newer generation Radeon at the time, then AMD acquired
<Marth64>
something like thet
<Marth64>
s/thet/that
<Sean_McG>
sounds about right
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<Lynne>
the wii was big endian though
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<Marth64>
jafa: adding this too if it helps, i configure with these to maximize debugging in desparate scenarios: --disable-optimizations --extra-cflags=-Og --extra-cflags=-fno-omit-frame-pointer --enable-debug=3 --extra-cflags=-fno-inline
<Marth64>
C is not my native language so I'm sure someone has better instructions
<Marth64>
but the ffmpeg_g that gets built with those flags is easy to debug
<Marth64>
got me out of a few jams
<Marth64>
i should do hello world in rust some day
<Marth64>
if only time was not finite
<Sean_McG>
+1
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<cone-527>
ffmpeg Andreas Rheinhardt master:f7b227bec322: avcodec/vulkan_video: Merge dec part of FFVkCodecMap and extension props
<cone-527>
ffmpeg Andreas Rheinhardt master:6c82b7bc0a5e: avcodec/vulkan_video: Remove unused array
<cone-527>
ffmpeg Andreas Rheinhardt master:f9d35e78fec1: avcodec/vulkan_decode: Un-sparse extensions table
<cone-527>
ffmpeg Andreas Rheinhardt master:ccb432c1fe65: avcodec/vulkan_decode: Remove always-false check
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<cone-527>
ffmpeg Andreas Rheinhardt master:51b2343ef9e3: avcodec/hq_hqadata: Move data in a header
<cone-527>
ffmpeg Andreas Rheinhardt master:97beb63a660a: avcodec/hq_hqa: Make VLC tables static
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<AreaScout>
Hi and Hello, is it possible to retrieve the RTSP base_timestamp after decoding on every frame iteration? Because my problem is that AVFormatCtx hold only the timestamp from the time of analyzing the stream!?
<AreaScout>
btw. I don't need a command line solution, I need a C solution
<JEEB>
the packets you receive are supposed to have the DTS and PTS
<AreaScout>
JEEB, that's of course true, but they don't tell me when the RTSP packet was send, I have to measure the time from sending to receive, before decode, after decode and after color conversation
<AreaScout>
Everything after receiving is trivial to solve, but how to measure from RTSP sever to FFmpeg puzzles me
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<AreaScout>
rtp_demux_context then holds the base_timestamp when the packet was sent, but like I said, it's just the timestamp from analyzing the stream, it does not change anymore during the playback
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<Sean_McG>
did FATE fall down go boom?
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<jamrial>
pushing several commits in one go is still pretty slow...
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<cone-841>
ffmpeg James Almer master:f00f70c8f17c: avcodec: remove deprecated FF_API_VT_OUTPUT_CALLBACK
<cone-841>
ffmpeg James Almer master:0b8940f96ae4: avcodec: remove deprecated FF_API_IDCT_NONE
<cone-841>
ffmpeg James Almer master:9ee59b63f5ea: avcodec: remove deprecated FF_API_AYUV_CODECID
<cone-841>
ffmpeg James Almer master:c947731275e6: avcodec: remove deprecated FF_API_SVTAV1_OPTS
<cone-841>
ffmpeg James Almer master:c4498aae7cc0: avcodec: remove deprecated FF_API_AVCODEC_CHROMA_POS
<cone-841>
ffmpeg James Almer master:7bca8ce42251: avcodec: remove deprecated FF_API_VT_HWACCEL_CONTEXT
<cone-841>
ffmpeg James Almer master:2717dcfb8527: avcodec: remove deprecated FF_API_AVCTX_FRAME_NUMBER
<cone-841>
ffmpeg James Almer master:98e1eebef98e: avcodec: remove deprecated FF_API_SLICE_OFFSET
<cone-841>
ffmpeg James Almer master:5b23b18d40ea: avcodec: remove deprecated FF_CODEC_CRYSTAL_HD
<cone-841>
ffmpeg James Almer master:c4c6c9e9d28e: avformat: remove deprecated FF_API_GET_END_PTS
<cone-841>
ffmpeg James Almer master:aaefe47913c0: avformat: remove deprecated FF_API_AVIODIRCONTEXT
<cone-841>
ffmpeg James Almer master:d6799ee0e41d: avformat: remove deprecated FF_API_AVFORMAT_IO_CLOSE
<cone-841>
ffmpeg James Almer master:02aea61d69d8: avformat: remove deprecated FF_API_AVIO_WRITE_NONCONST
<cone-841>
ffmpeg James Almer master:e58afae1e403: avfilter: remove deprecated FF_API_LIBPLACEBO_OPTS
<cone-841>
ffmpeg James Almer master:43c62b11aa9f: avutil: remove deprecated FF_API_FIFO_PEEK2
<cone-841>
ffmpeg James Almer master:4105899245d7: avutil: remove deprecated FF_API_FIFO_OLD_API
<cone-841>
ffmpeg James Almer master:a12cd3be98e8: avutil: remove deprecated FF_API_XVMC
<cone-841>
ffmpeg James Almer master:65ddc7498824: avutil: remove deprecated FF_API_OLD_CHANNEL_LAYOUT
<cone-841>
ffmpeg James Almer master:4c92fc02f850: avutil: remove deprecated FF_API_AV_FOPEN_UTF8
<cone-841>
ffmpeg James Almer master:b8fef7e9c520: avutil: remove deprecated FF_API_PKT_DURATION
<cone-841>
ffmpeg James Almer master:67e7f0b05eee: avutil: remove deprecated FF_API_REORDERED_OPAQUE
<cone-841>
ffmpeg James Almer master:583cf2a86990: avutil: remove deprecated FF_API_FRAME_PICTURE_NUMBER
<cone-841>
ffmpeg James Almer master:118948cbac6b: avcodec/version_major: postpone some deprecations until the next bump
<cone-841>
ffmpeg James Almer master:d4574a9b6400: avformat/version_major: postpone some deprecations until the next bump
<cone-841>
ffmpeg James Almer master:7b11fd585f25: avutil/version_major: postpone some deprecations until the next bump
<cone-841>
ffmpeg Andreas Rheinhardt master:bb81c60927d8: Revert "avcodec: Rename ff_kbd_window_init() as it will be needed from outside libavcodec"
<cone-841>
ffmpeg Andreas Rheinhardt master:b800327f4c72: avformat/avformat: Add FFInputFormat, hide internals of AVInputFormat
<elenril>
c
<cone-841>
ffmpeg Andreas Rheinhardt master:be54923abc6d: avutil/opt: Don't use AV_OPT_TYPE_FLAGS for sentinels
<cone-841>
ffmpeg Andreas Rheinhardt master:cd93ba653105: avformat/demux: Use enum AVCodecID for raw_codec_id
<cone-841>
ffmpeg Andreas Rheinhardt master:a76592440eda: avfilter/avfilter: Remove always-NULL pointers to internal contexts
<elenril>
c
<cone-841>
ffmpeg Andreas Rheinhardt master:71c7e9c5f48b: avfilter/avfilter: Reorder structure fields
<cone-841>
ffmpeg Andreas Rheinhardt master:51f04054506f: avutil/hwcontext_d3d12va: Allocate pub and priv device hwctx together
<elenril>
combo
<cone-841>
ffmpeg Andreas Rheinhardt master:060277136d1c: avutil/hwcontext: Remove unused AVHWDeviceInternal.priv
<cone-841>
ffmpeg Andreas Rheinhardt master:dd397d05f185: avutil/hwcontext: Allocate AVHWDevCtx jointly with its internals
<elenril>
breaker
<cone-841>
ffmpeg Andreas Rheinhardt master:51d6bee66713: avutil/hwcontext_d3d12va: Allocate pub and priv frames hwctx together
<cone-841>
ffmpeg Andreas Rheinhardt master:a0b9b96269b4: avutil/hwcontext_internal: Remove unused AVHWFramesInternal.priv
<cone-841>
ffmpeg Andreas Rheinhardt master:3e669b24e282: avutil/hwcontext: Allocate AVHWFramesCtx jointly with its internals
<cone-841>
ffmpeg Andreas Rheinhardt master:326c97dd38c3: avcodec/avcodec: Reorder AVCodecContext and AVSubtitleRect fields
<cone-841>
ffmpeg James Almer master:823d60d55e68: avcodec/codec_par: Reorder AVCodecParameters fields
<cone-841>
ffmpeg James Almer master:53cdf94653d8: avformat/avformat: remove AVFormatContext.ts_id
<cone-841>
ffmpeg James Almer master:c8db1006ef5c: avformat/avformat: Reorder AVFormatContext fields
<cone-841>
ffmpeg Anton Khirnov master:0757669629cd: lavc: move AVCodecContext.pts_correction* to DecodeContext
<cone-841>
ffmpeg James Almer master:783d00b203b2: libs: bump major version for all libraries
<elenril>
\o/
<jamrial>
there
<elenril>
maybe this should be in the news
<elenril>
last entry is 2 months old
<jamrial>
it could be mentioned as part of the 7.0 news entry
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<another|>
the f was crystalHD ?
<elenril>
pcie cards for hw h264 decoding iirc
<another|>
aha
<jamrial>
from back when gpus had mpeg2 hw decoding at most
<elenril>
even that was partial
<jamrial>
i bet it can only decode up to 1080p and level 4.1, if that
<jamrial>
i remember the first gpu i got with h264 hw decoding did not handle level 5.0
<another|>
How many people will cry about the removed deprecated stuff?
<elenril>
76% of doom9 users
<cone-841>
ffmpeg Anton Khirnov master:384a207ea90b: lavf/matroskadec: add missing linebreaks in error messages
<Lynne>
gratz
<Lynne>
behind schedule, but at least went off with no issues this time
<mkver>
Found the first issue, sent a patch.
<elenril>
fate is dead too
<another|>
hmm.. that code would have fallen out with the bump. maybe should've bumped versions first
<mkver>
another|: Disabling this stuff one-by-one can be helpful when bisecting.
<another|>
ah
<elenril>
I'd have preferred the reverse as well, but I'm in the minority
<Lynne>
another|: ask philipl to tell you about all the nightmares of crystalhd cards
<Lynne>
afaik they were only used on mobile devices, bundled as a minipcie card
<elenril>
orly
<Lynne>
only outputted 422, even if input was 420, badly
<elenril>
I thought they were for broadcast stuff
<another|>
nah. my need for nightmares is filled
<Lynne>
had corruptions around the borders of the frame so hacks were needed to get rid of them
<Lynne>
they were used in the short-ish amount of time before intel got proper hwaccels on laptops and HD video started being hard on CPUs
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<mkver>
jamrial: If deprecations don't require a minor bump, does actual removal require one?
<elenril>
a major one, no?
<mkver>
I shall bump major again? Fine by me.
<elenril>
why again?
<mkver>
See xvmc patch on ML.
<jamrial>
no, don't bump anything
<jamrial>
mkver: deprecations dont require a bump because they don't change the API. it's just adding warning
<jamrial>
removal of course does need a bump because it's a break
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<mkver>
But then the removal of something like a header changes API.
<mkver>
Which means I would need to bump something.
<mkver>
But well... nevermind.
<jamrial>
not in this case since it's happening immediately after the major bump
<elenril>
the API in question is not supposed to exist anymore, so it's more of a bugfix than an API break
<mkver>
There's already an after-bump patch in matroskadec.c
<jamrial>
it doesn't matter
<cone-841>
ffmpeg Andreas Rheinhardt master:2dfdee396934: avcodec/xvmc: Remove header
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<Lynne>
mkver: was able to flip the aacdec templating from creating 2 different decoders to having a single decoder with templated callbacks when needed
<Lynne>
still keeping the 2 decoders obvs, just one sets up different callbacks during init
<Lynne>
it was neat how you used unions, without this, it would have been impossible
<JEEB>
nice
<Marth64>
thank you for helping me clean up my code too mkver
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<Lynne>
good code is code that mkver hasn't found a way to clean up yet
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<philipl>
another|: Oh yes. You can absorb most of the story from reading the massive comment at the top of crystalhd.c. Always outputs 422. Top left pixel of every frame is always zero. Outputs interlaced content as an interleaved frame or two fields (requiring two read operations) depending on phase of the moon.
<another|>
"fun"
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<cone-610>
ffmpeg Niklas Haas master:c2a233fe14cc: avfilter/vf_showinfo: add AVFilmGrainAOMParams support
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<rajivharlalka>
Hi, I am a first time contributor and tried submitting a patch over the mailing list, I believe that my patch hasn't been reached as I cannot see it on the patchwork website. I use the git format-patch as specified in the documentation to create an eml file and used Thunderbird to send the mail. What could be issue there.
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<mkver>
rajivharlalka: I have received your patch twice.
<mkver>
I added rotation metadata (of the type that our muxer doesn't write), an attachment and added further tags that our muxer does not write (in one case, that our demuxer does not handle properly).
<rajivharlalka>
@mkver: Oh, I couldn't find my patches on the patchwork hence got worried a bit. Thanks for the response.
<mkver>
(This could be fixed by exporting the segment title with "title" and the edition title via "TITLE", but this would probably not survive the dozens of av_dict_copy which by default don't distinguish between them on the way with the FFmpeg cli.)
<jamrial>
mkver: done
<mkver>
jamrial: Thanks.
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<mkver>
elenril: I sent an updated version of the last patch of your patchset.