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It reduces typing: Before this patch, there were 105 codecs
whose long_name-definition exceeded the 80 char line length
limit. Now there are only nine of them.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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Decoder-only, as the dimensions are set by the user when encoding.
Also fixup the other headers a bit while removing unnecessary internal.h
inclusions.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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This is in preparation of switching the default init-thread-safety
to a codec being init-thread-safe.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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The packets given to decoder need not be writable,
so it is best to access them via const uint8_t*.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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This is possible, because every given FFCodec has to implement
exactly one of these. Doing so decreases sizeof(FFCodec) and
therefore decreases the size of the binary.
Notice that in case of position-independent code the decrease
is in .data.rel.ro, so that this translates to decreased
memory consumption.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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This increases type-safety by avoiding conversions from/through void*.
It also avoids the boilerplate "AVFrame *frame = data;" line
for non-subtitle decoders.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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Up until now, codec.h contains both public and private parts
of AVCodec. This exposes the internals of AVCodec to users
and leads them into the temptation of actually using them
and forces us to forward-declare structures and types that
users can't use at all.
This commit changes this by adding a new structure FFCodec to
codec_internal.h that extends AVCodec, i.e. contains the public
AVCodec as first member; the private fields of AVCodec are moved
to this structure, leaving codec.h clean.
Reviewed-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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Also move FF_CODEC_TAGS_END as well as struct AVCodecDefault.
This reduces the amount of files that have to include internal.h
(which comes with quite a lot of indirect inclusions), as e.g.
most encoders don't need it. It is furthemore in preparation
for moving the private part of AVCodec out of the public codec.h.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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This avoids unnecessary rebuilds of most source files if only the
list of enabled components has changed, but not the other properties
of the build, set in config.h.
Signed-off-by: Martin Storsjö <martin@martin.st>
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Instead link against the function that returns the correct variable. This fixes linking errors with dlls with msvc.
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It is not used here at all; instead, add it where it is used without
including it or any of the arch-specific CPU headers.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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Given that the AVCodec.next pointer has now been removed, most of the
AVCodecs are not modified at all any more and can therefore be made
const (as this patch does); the only exceptions are the very few codecs
for external libraries that have a init_static_data callback.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
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Announced in 14040a1d913794d9a3fd6406a6d8c2f0e37e0062.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Signed-off-by: James Almer <jamrial@gmail.com>
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This cap is currently used to mark multithreading-capable codecs that
wrap external libraries with their own multithreading code. The name is
highly confusing for our API users, since libavcodec ALWAYS handles
thread_count=0 (see commit message in previous commit). Therefore rename
the cap and update its documentation to make its meaning clear.
The old name is kept deprecated until next+1 major bump.
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AV_CODEC_CAP_AUTO_THREADS was originally added in b4d44a45f9a to mark
codecs that spawn threads internally and are able to select an optimal
threads count by themselves (all such codecs are wrappers around
external libraries). It is used by lavc generic code to check whether it
should handle thread_count=0 itself or pass the zero directly to the
codec implementation. Within this meaning, it is clearly supposed to be
an internal cap rather than a public one, since from the viewpoint of a
libavcodec user, lavc ALWAYS handles thread_count=0. Whether it happens
in the generic code or within the codec internals is not a meaningful
difference for the caller.
External aspects of this flag will be dealt with in the following
commit.
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Signed-off-by: James Almer <jamrial@gmail.com>
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Signed-off-by: James Almer <jamrial@gmail.com>
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Reviewed-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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Signed-off-by: James Zern <jzern@google.com>
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Signed-off-by: Marton Balint <cus@passwd.hu>
Signed-off-by: James Zern <jzern@google.com>
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This avoids copying the full frame after decoding.
Signed-off-by: Marton Balint <cus@passwd.hu>
Signed-off-by: James Zern <jzern@google.com>
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If the alpha decoder init failed we presented the error message from the normal
decoder. This change should prevent such mistakes.
Signed-off-by: Marton Balint <cus@passwd.hu>
Signed-off-by: James Zern <jzern@google.com>
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Signed-off-by: Marton Balint <cus@passwd.hu>
Signed-off-by: James Zern <jzern@google.com>
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a thread count of 0 is treated the same as 1, use av_cpu_count() to get
the correct thread count when auto threads is requested.
this matches the fix in libvpxenc:
27df34bf1f avcodec/libvpxenc: fix setting amount of threads used for encoding
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: James Zern <jzern@google.com>
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Explicitly identify decoder/encoder wrappers with a common name. This
saves API users from guessing by the name suffix. For example, they
don't have to guess that "h264_qsv" is the h264 QSV implementation, and
instead they can just check the AVCodec .codec and .wrapper_name fields.
Explicitly mark AVCodec entries that are hardware decoders or most
likely hardware decoders with new AV_CODEC_CAPs. The purpose is allowing
API users listing hardware decoders in a more generic way. The proposed
AVCodecHWConfig does not provide this information fully, because it's
concerned with decoder configuration, not information about the fact
whether the hardware is used or not.
AV_CODEC_CAP_HYBRID exists specifically for QSV, which can have software
implementations in case the hardware is not capable.
Based on a patch by Philip Langdale <philipl@overt.org>.
Merges Libav commit 47687a2f8aca3f65b6fdd117b1cb66a7409a7fd1.
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Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: James Zern <jzern@google.com>
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Fixes assertion failure
Fixes: 2112/clusterfuzz-testcase-minimized-4526878557732864
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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+ the context struct
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Zern <jzern@google.com>
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VPx (VP8/VP9) alpha encoding has been part of FFmpeg. Now, add the
ability to decode such files with alpha channel.
Signed-off-by: Vignesh Venkatasubramanian <vigneshv@google.com>
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since:
cbcc88c libvpx: Support setting color range for vp9.
Reviewed-by: Ronald S. Bultje <rsbultje@gmail.com>
Signed-off-by: James Zern <jzern@google.com>
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Pass through color range to vp9 encoder. Parse color range in libvpxdec.c.
Reviewed-by: Ronald S. Bultje <rsbultje@gmail.com>
Signed-off-by: Sasi Inguva <isasi@google.com>
Signed-off-by: James Almer <jamrial@gmail.com>
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* commit 'def97856de6021965db86c25a732d78689bd6bb0':
lavc: AV-prefix all codec capabilities
Conflicts:
cmdutils.c
ffmpeg.c
ffplay.c
libavcodec/8svx.c
libavcodec/aacenc.c
libavcodec/ac3dec.c
libavcodec/adpcm.c
libavcodec/alac.c
libavcodec/atrac3plusdec.c
libavcodec/bink.c
libavcodec/dnxhddec.c
libavcodec/dvdec.c
libavcodec/dvenc.c
libavcodec/ffv1dec.c
libavcodec/ffv1enc.c
libavcodec/fic.c
libavcodec/flacdec.c
libavcodec/flacenc.c
libavcodec/flvdec.c
libavcodec/fraps.c
libavcodec/frwu.c
libavcodec/gifdec.c
libavcodec/h261dec.c
libavcodec/hevc.c
libavcodec/iff.c
libavcodec/imc.c
libavcodec/libopenjpegdec.c
libavcodec/libvo-aacenc.c
libavcodec/libvorbisenc.c
libavcodec/libvpxdec.c
libavcodec/libvpxenc.c
libavcodec/libx264.c
libavcodec/mjpegbdec.c
libavcodec/mjpegdec.c
libavcodec/mpegaudiodec_float.c
libavcodec/msmpeg4dec.c
libavcodec/mxpegdec.c
libavcodec/nvenc_h264.c
libavcodec/nvenc_hevc.c
libavcodec/pngdec.c
libavcodec/qpeg.c
libavcodec/ra288.c
libavcodec/rv10.c
libavcodec/s302m.c
libavcodec/sp5xdec.c
libavcodec/takdec.c
libavcodec/tiff.c
libavcodec/tta.c
libavcodec/utils.c
libavcodec/v210dec.c
libavcodec/vp6.c
libavcodec/vp9.c
libavcodec/wavpack.c
libavcodec/yop.c
Merged-by: Michael Niedermayer <michael@niedermayer.cc>
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Express bitfields more simply.
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
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Reviewed-by: Ronald S. Bultje <rsbultje@gmail.com>
Signed-off-by: James Zern <jzern@google.com>
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Reviewed-by: Ronald S. Bultje <rsbultje@gmail.com>
Signed-off-by: James Zern <jzern@google.com>
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Bump the minimum libvpx version to 1.3.0 and rework the configure logic
to fail only if no decoders and encoders are found.
Based on the original patch from Vittorio.
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
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Signed-off-by: James Zern <jzern@google.com>
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is disabled
Should fix ticket #3958.
Reviewed-by: James Zern <jzern@google.com>
Signed-off-by: James Almer <jamrial@gmail.com>
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Handles decoding of new VP9 profiles 1-3 with different color sampling
and bit-depths.
For high bitdepth (profiles 2 and 3) support, we currently need to link
with the highbitdepth branch of libvpx with --enable-experimental
and --enable-vp9-high config options on. But eventually this branch will
be merged into master, whereafter to enable high bitdepth
support you will need to link with libvpx with configure option
--enable-vp9-highbitdepth on.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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codec open time
Reviewed-by: James Zern <jzern@google.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* qatar/master:
libvpx: do not mark VP9 as experimental when using libvpx >= 1.3.0
Conflicts:
libavcodec/libvpxdec.c
libavcodec/libvpxenc.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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Signed-off-by: Diego Biurrun <diego@biurrun.de>
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it shares vp8_decode() with vp8 which already has the flag set
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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* commit '13207484bba8a8b78b40d5a22da8c9c555429089':
mpeg4video_parser: stop using deprecated avcodec_set_dimensions
mpeg12dec: stop using deprecated avcodec_set_dimensions
mjpegdec: stop using deprecated avcodec_set_dimensions
libvpxdec: stop using deprecated avcodec_set_dimensions
Conflicts:
libavcodec/mjpegdec.c
libavcodec/mpeg12dec.c
libavcodec/mpeg4video_parser.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
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