| Commit message (Collapse) | Author | Age |
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* commit '0fea8555ae25124c21f4c4f55a5fa76e9169aa03':
v4l2: use codec descriptors for mapping a codec name to id
Merged-by: Clément Bœsch <u@pkh.me>
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This mapping has nothing to do with decoder implementations, so using
decoder names is wrong.
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* commit '3a165c187da7d74f46f6c1778294e8c5a3a7151f':
v4l2: convert to stdatomic
Merged-by: Clément Bœsch <u@pkh.me>
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* commit '0b1bd1b2057d41fd0ccba7317911c484a50f9207':
lavd: Drop unneeded av_init_packet()s
Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
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The input packet is already unref'd by the calling function.
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* commit '11de006babf735aafa3462d43dd2c02bb6ac6e2f':
Combine deprecation guards where appropriate
Merged-by: Clément Bœsch <clement@stupeflix.com>
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Some code blocks use multiple bits of deprecated API.
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* commit 'b7e64fba7f37cc0399beae844f0a5dbef9219376':
Reduce the scope of some variables
Merged-by: Clément Bœsch <u@pkh.me>
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This avoids unused variable warnings after the next version bump.
Also drop a trace level av_log() call that is in the way.
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Not all v4l2 devices implement the VIDIOC_G_PARM ioctl. This patch allow
ffmpeg to open such device and treat it the same as devices that do
implement the ioctl but returns that it do not implement the
V4L2_CAP_TIMEPERFRAME capability.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Benoit Fouet <benoit.fouet@free.fr>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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* commit '9200514ad8717c63f82101dc394f4378854325bf':
lavf: replace AVStream.codec with AVStream.codecpar
This has been a HUGE effort from:
- Derek Buitenhuis <derek.buitenhuis@gmail.com>
- Hendrik Leppkes <h.leppkes@gmail.com>
- wm4 <nfxjfg@googlemail.com>
- Clément Bœsch <clement@stupeflix.com>
- James Almer <jamrial@gmail.com>
- Michael Niedermayer <michael@niedermayer.cc>
- Rostislav Pehlivanov <atomnuker@gmail.com>
Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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Currently, AVStream contains an embedded AVCodecContext instance, which
is used by demuxers to export stream parameters to the caller and by
muxers to receive stream parameters from the caller. It is also used
internally as the codec context that is passed to parsers.
In addition, it is also widely used by the callers as the decoding (when
demuxer) or encoding (when muxing) context, though this has been
officially discouraged since Libav 11.
There are multiple important problems with this approach:
- the fields in AVCodecContext are in general one of
* stream parameters
* codec options
* codec state
However, it's not clear which ones are which. It is consequently
unclear which fields are a demuxer allowed to set or a muxer allowed to
read. This leads to erratic behaviour depending on whether decoding or
encoding is being performed or not (and whether it uses the AVStream
embedded codec context).
- various synchronization issues arising from the fact that the same
context is used by several different APIs (muxers/demuxers,
parsers, bitstream filters and encoders/decoders) simultaneously, with
there being no clear rules for who can modify what and the different
processes being typically delayed with respect to each other.
- avformat_find_stream_info() making it necessary to support opening
and closing a single codec context multiple times, thus
complicating the semantics of freeing various allocated objects in the
codec context.
Those problems are resolved by replacing the AVStream embedded codec
context with a newly added AVCodecParameters instance, which stores only
the stream parameters exported by the demuxers or read by the muxers.
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Found-by: Leo Izen <leo.izen@gmail.com> as thebombzen on IRC
Signed-off-by: Timothy Gu <timothygu99@gmail.com>
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* commit 'ce70f28a1732c74a9cd7fec2d56178750bd6e457':
avpacket: Replace av_free_packet with av_packet_unref
Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
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`av_packet_unref` matches the AVFrame ref-counted API and can be used as
a drop in replacement.
Deprecate `av_free_packet`.
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* commit 'f890677d05bc4e8b494a73373ab4cc19791bf884':
Replace any remaining avpicture function with imgutils
Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
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avpicture_get_size() -> av_image_get_buffer_size()
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
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* commit '01bcc2d5c23fa757d163530abb396fd02f1be7c8':
lavc: Drop deprecated destruct_packet related functions
Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
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Deprecated in 10/2012.
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Reported, debugged and tested by trac user noah.
Fixes ticket #4644.
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* commit '40cf1bbacc6220a0aa6bed5c331871d43f9ce370':
Deprecate avctx.coded_frame
Conflicts:
ffmpeg.c
libavcodec/a64multienc.c
libavcodec/asvenc.c
libavcodec/cljrenc.c
libavcodec/dpxenc.c
libavcodec/gif.c
libavcodec/mpegvideo_enc.c
libavcodec/nvenc.c
libavcodec/proresenc_kostya.c
libavcodec/pthread_frame.c
libavcodec/rawenc.c
libavcodec/sunrastenc.c
libavcodec/tiffenc.c
libavcodec/version.h
libavcodec/xbmenc.c
libavcodec/xwdenc.c
libavdevice/v4l2.c
Merged-by: Michael Niedermayer <michael@niedermayer.cc>
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The rationale is that coded_frame was only used to communicate key_frame,
pict_type and quality to the caller, as well as a few other random fields,
in a non predictable, let alone consistent way.
There was agreement that there was no use case for coded_frame, as it is
a full-sized AVFrame container used for just 2-3 int-sized properties,
which shouldn't even belong into the AVCodecContext in the first place.
The appropriate AVPacket flag can be used instead of key_frame, while
quality is exported with the new AVPacketSideData quality factor.
There is no replacement for the other fields as they were unreliable,
mishandled or just not used at all.
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Found-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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V4L2_BUF_FLAG_ERROR
Fixes ticket #4030.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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This was introduced in cde6e328de214ffe8387641cdc1e433a2c2150f3
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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opttimizations -> optimizations
grabing -> grabbing
many resource -> many resources
isnt -> isn't
silcense -> silence
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* commit '619d5e7db88941cadb8136f805564e885c6c6434':
v4l2: Use the codec descriptor facility
Conflicts:
libavdevice/v4l2.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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The encoder or decoder might be disabled but the format would be
supported for at least remuxing.
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Signed-off-by: Martin Storsjö <martin@martin.st>
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Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* commit '09f25533a564eab743f258d168697a11122914c4':
v4l2: Preserve errno values
Conflicts:
libavdevice/v4l2.c
See: 60950adc18fe145a235211e75da68ab07123fcaa
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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av_log usually resets it.
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* commit 'a1a259881fa7b23e2ffc0c2a43d4923fe42d0478':
v4l2: Use av_strerror
Conflicts:
libavdevice/v4l2.c
See: 60950adc18fe145a235211e75da68ab07123fcaa
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
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This reverts commit b1ad9312331759679a9c956233716a67ae681d89.
Fixes Ticket #3517
Conflicts:
libavdevice/v4l2.c
Requested-by: Giorgio Vazzana <mywing81@gmail.com>
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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We now use 'pixelformat' for V4L2_PIX_FMT_* (as they do in v4l2
documentation) and 'pix_fmt' for AVPixelFormat.
No functional change in the code.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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No need to keep the old symbols around until a major bump since lavd functions
with the avpriv_ prefix were never exposed.
Signed-off-by: James Almer <jamrial@gmail.com>
Reviewed-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Reviewed-by: Stefano Sabatini <stefasab@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Carl Eugen Hoyos <cehoyos@ag.or.at>
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Additionally, make sure a buffer gets enqueued again (even in error paths) after
it has been succesfully dequeued.
Tested-by: Dmitry Volyntsev <xeioexception@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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We can avoid passing file descriptor fd explicitely.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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We can avoid passing file descriptor fd explicitely.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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