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refer to SPEC:
Annex E. The FLV File Format said:
E.3 TheFLVFileBody have a table:
Field Type Comment
PreviousTagSize0 UI32 Always 0
Reviewed-by: Bela Bodecs <bodecsb@vivanet.hu>
Reviewed-by: Hendrik Leppkes <h.leppkes@gmail.com>
Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
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unofficial mode
They are unofficial extensions to the format for the time being, not
an experimental feature.
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Signed-off-by: James Almer <jamrial@gmail.com>
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* commit 'c541a44e029e8a4f21db028c34fee3ad1c10a409':
Revert "rtmpproto: Don't include a client version in the unencrypted C1 handshake"
Merged-by: Clément Bœsch <u@pkh.me>
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The old "API" that signaled rotation as a metadata value has been
replaced by DISPLAYMATRIX side data quite a while ago.
There is no reason to make muxers/demuxers/API users support both. In
addition, the metadata API is dangerous, as user tags could "leak" into
it, creating unintended features or bugs.
ffmpeg CLI has to be updated to use the new API. In particular, we must
not allow to leak the "rotate" tag into the muxer. Some muxers will
catch this properly (like mov), but others (like mkv) can add it as
generic tag. Note applications, which use libavformat and assume the
old rotate API, will interpret such "rotate" user tags as rotate
metadata (which it is not), and incorrectly rotate the video.
The ffmpeg/ffplay tools drop the use of the old API for muxing and
demuxing, as all muxers/demuxers support the new API. This will mean
that the tools will not mistakenly interpret per-track "rotate" user
tags as rotate metadata. It will _not_ be treated as regression.
Unfortunately, hacks have been added, that allow the user to override
rotation by setting metadata explicitly, e.g. via
-metadata:s:v:0 rotate=0
See references to trac #4560. fate-filter-meta-4560-rotate0 tests this.
It's easier to adjust the hack for supporting it than arguing for its
removal, so ffmpeg CLI now explicitly catches this case, and essentially
replaces the "rotate" value with a display matrix side data. (It would
be easier for both user and implementation to create an explicit option
for rotation.)
When the code under FF_API_OLD_ROTATE_API is disabled, one FATE
reference file has to be updated (because "rotate" is not exported
anymore).
Tested-by: Michael Niedermayer <michael@niedermayer.cc>
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
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Signed-off-by: James Almer <jamrial@gmail.com>
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* commit '1263b2039eb5aaf1522e9de9f07c787ab30a5f50':
Adjust printf conversion specifiers to match variable signedness
Merged-by: Clément Bœsch <u@pkh.me>
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* commit 'ca1e5eea0c7b72a6e30aa6488cfeced3a4853521':
Remove some pointless TRACE level debug code
Merged-by: Clément Bœsch <u@pkh.me>
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* commit '07eea5a5ded1141632aefecfa59dcdc26de2d7ea':
nut: Drop pointless TRACE level debug code
Merged-by: Clément Bœsch <u@pkh.me>
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* commit 'c3dad1bf3b5e04e01c291b1ac41e6bef0adf2206':
nsv: Drop unnecessary TRACE level debug code
Merged-by: Clément Bœsch <u@pkh.me>
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* commit 'ee050797664c7c74cae262ffab05006b55d47a11':
openssl: Support version 1.1.0.
This commit is mostly a noop, see 798c6ecce50f26a53d48e2577a34fabe46b32eb9
Included the simplifications by Martin Storsjö and fixed the
GET_BIO_DATA() macro to prevent a warning after the simplifications.
Merged-by: Clément Bœsch <u@pkh.me>
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* commit '016387fe0fe3eff1a03ec0673bf4d2967f6cad94':
rtmpdh: Don't use the OpenSSL DH struct
Merged-by: Clément Bœsch <u@pkh.me>
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* commit '4b07ebf1eb13561492f7e3c30a67f34415016b3e':
mov: Update colr values
Mostly noop, see a3cab3d43387add8914c1c471fc99d733227d81b
Only the use of av_color_{primaries,transfer,space}_name() is merged.
Merged-by: Clément Bœsch <u@pkh.me>
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This reverts commit 1c193ac1f9cfe703d6a1c36795f309ba5d14bf6e, reversing
changes made to 7ebc9f8df4035ecaa84ad4429480986e3e7597ae.
Several FATE tests started failing after this merge, so it's reverted
until it can be properly fixed.
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* commit '8e2ea691351c5079cdab245ff7bfa5c0f3e3bfe4':
lavf: use the new bitstream filter for extracting extradata
Merged-by: James Almer <jamrial@gmail.com>
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* commit 'c359d624d3efc3fd1d83210d78c4152bd329b765':
hevcdec: move decoder-independent declarations into a separate header
Merged-by: James Almer <jamrial@gmail.com>
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* commit '4abe3b049d987420eb891f74a35af2cebbf52144':
hevc: rename hevc.[ch] to hevcdec.[ch]
Merged-by: Clément Bœsch <u@pkh.me>
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* commit '7d8d726be7dc46343ab1c98c339c1ed44bcb07c1':
rtmpproto: Don't include a client version in the unencrypted C1 handshake
Merged-by: Clément Bœsch <u@pkh.me>
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* commit '9f23f77a532ca9c2b7dc4b5328bc413e4f6f5b56':
rtmpproto: Don't include the libavformat version as "clientid"
Merged-by: Clément Bœsch <u@pkh.me>
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* commit '8b5e0d17e70400eaf5dc3845b5c1df8b2b88d830':
rtmpproto: Send chunk size on the network channel
Merged-by: Clément Bœsch <u@pkh.me>
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* commit 'd6ded94036e43a04889f4ff2813a7f7dd60b82fe':
rtmpproto: Lengthen the filename buffer when receiving streams
Merged-by: Clément Bœsch <u@pkh.me>
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* commit '7395784ba72742b6daa62d35db4028e09f3fdf06':
rtmpproto: Check the return from ff_amf_read_string
Merged-by: Clément Bœsch <u@pkh.me>
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This came up while debugging a problem with mpv:
https://github.com/mpv-player/mpv/issues/4155
Signed-off-by: wm4 <nfxjfg@googlemail.com>
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* commit 'bad4aad4037f59ba0ad656164be9ab8f7a0fa2d4':
avidec: Do not special case palette on big-endian
This commit is a noop, see 64cafe340bd5ddfe704efa95cd9f21471ca12a12
Merged-by: Clément Bœsch <u@pkh.me>
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use the option set by user
Reported-by: Lancelot Lai <laihy23@gmail.com>
Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
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Should fix ticket #6252
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>
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Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>
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* commit '8ea35af7620e4f73f9e8c072e1c0fac9a04ec161':
avio: add a new flag for marking streams seekable by timestamp
Merged-by: James Almer <jamrial@gmail.com>
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* commit '75c1db6152c7c90c7ce28c9adb945028e5512c4f':
avio: cosmetics, prettify AVIO_SEEKABLE_NORMAL
Merged-by: James Almer <jamrial@gmail.com>
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* commit '83548fe894cdb455cc127f754d09905b6d23c173':
lavf: fix usage of AVIOContext.seekable
Merged-by: James Almer <jamrial@gmail.com>
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This patch deprecates anything that has to do with merging/splitting
side data. Automatic side data merging (and splitting), as well as all
API symbols involved in it, are removed completely.
Two FF_API_ defines are dedicated to deprecating API symbols related to
this: FF_API_MERGE_SD_API removes av_packet_split/merge_side_data in
libavcodec, and FF_API_LAVF_KEEPSIDE_FLAG deprecates
AVFMT_FLAG_KEEP_SIDE_DATA in libavformat.
Since it was claimed that changing the default from merging side data to
not doing it is an ABI change, there are two additional FF_API_ defines,
which stop using the side data merging/splitting by default (and remove
any code in avformat/avcodec doing this): FF_API_MERGE_SD in libavcodec,
and FF_API_LAVF_MERGE_SD in libavformat.
It is very much intended that FF_API_MERGE_SD and FF_API_LAVF_MERGE_SD
are quickly defined to 0 in the next ABI bump, while the API symbols are
retained for a longer time for the sake of compatibility.
AVFMT_FLAG_KEEP_SIDE_DATA will (very much intentionally) do nothing for
most of the time it will still be defined. Keep in mind that no code
exists that actually tries to unset this flag for any reason, nor does
such code need to exist. Code setting this flag explicitly will work as
before. Thus it's ok for AVFMT_FLAG_KEEP_SIDE_DATA to do nothing once
side data merging has been removed from libavformat.
In order to avoid that anyone in the future does this incorrectly, here
is a small guide how to update the internal code on bumps:
- next ABI bump (probably soon):
- define FF_API_LAVF_MERGE_SD to 0, and remove all code covered by it
- define FF_API_MERGE_SD to 0, and remove all code covered by it
- next API bump (typically two years in the future or so):
- define FF_API_LAVF_KEEPSIDE_FLAG to 0, and remove all code covered
by it
- define FF_API_MERGE_SD_API to 0, and remove all code covered by it
This forces anyone who actually wants packet side data to temporarily
use deprecated API to get it all. If you ask me, this is batshit fucked
up crazy, but it's how we roll. Making AVFMT_FLAG_KEEP_SIDE_DATA to be
set by default was rejected as an ABI change, so I'm going all the way
to get rid of this once and for all.
Reviewed-by: James Almer <jamrial@gmail.com>
Reviewed-by: Rostislav Pehlivanov <atomnuker@gmail.com>
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
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* commit 'd42809f9835a4e9e5c7c63210abb09ad0ef19cfb':
av1: Add codec_id and basic demuxing support
Merged-by: Clément Bœsch <u@pkh.me>
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* commit '24130234cd9dd733116d17b724ea4c8e12ce097a':
rtpdec_mpeg4: validate fmtp fields
Merged with fixed log message.
Merged-by: Clément Bœsch <u@pkh.me>
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* commit 'be3363f664d7314d55b42860bd4077154752d769':
nsv: Drop disabled cruft
Merged-by: Clément Bœsch <u@pkh.me>
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* commit 'a4b1b5aa281cacde8351d9947b54ccf82ff10cd0':
wc3movie: Drop unused cruft
Merged-by: Clément Bœsch <u@pkh.me>
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* commit 'd9442d13033a24b14ebae149dcdb42709430e2d9':
rm: Drop broken disabled cruft
Merged-by: Clément Bœsch <u@pkh.me>
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These values are defined to be 32bit in the specification,
so it makes more sense to store them as fixed width.
Based on a patch by Micahel Niedermayer <michael@niedermayer.cc>.
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
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* commit '0638b99cdba52554691fc668d9e477bc184c7a33':
aiff: Skip padding byte for odd-sized chunks
Also removes to odd-size checks from get_aiff_header and get_meta to use
the generic path introduced by the original commit.
Merged-by: Matthieu Bouron <matthieu.bouron@gmail.com>
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pcr_period is in milliseconds.
Signed-off-by: Lou Logan <lou@lrcd.com>
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* commit 'ed1cd81076434b76f37576d4d806973476a8e96c':
flac demuxer: improve probing
Suggested commit very closely matches our code, except with regards to
AVPROBE_SCORE_EXTENSION. The code layout is mostly merged but preserves
our behaviour.
Merged-by: Clément Bœsch <u@pkh.me>
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when cannot get pkt duration, hlsenc segments duration will
be set to 0, this patch can fix it.
Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
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Preparation for potentially disabling merged side data by default in the
libs. Do this in particular because it affects fate tests.
The changed tests either reflect added packet side data, or the changed
packet size due to merged side data removal reducing the packet size.
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The current form of the messages indicating matches in the white
or black lists seems to be a bit too much relying on context.
Make the messages more explicit.
Signed-off-by: Alexander Strasser <eclipse7@gmx.net>
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Signed-off-by: Alexander Strasser <eclipse7@gmx.net>
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