doc: remove remaining legacy x11grab references

Merge commit '5ed4644d6de7f6112431dc2d9a5cfe9a0a75a688'

* commit '5ed4644d6de7f6112431dc2d9a5cfe9a0a75a688':
  x11grab: Rename internal component to "xcbgrab"

Merged-by: Clément Bœsch <u@pkh.me>

Merge commit '4fef648d10bf3bcfd4b8fa5755c1128966a2427c'

* commit '4fef648d10bf3bcfd4b8fa5755c1128966a2427c':
  Remove the legacy X11 screen grabber

Merged-by: Clément Bœsch <u@pkh.me>

Merge commit '8495d84f0101464b15517860db33e8605586d87e'

* commit '8495d84f0101464b15517860db33e8605586d87e':
  ac3dec: Add some inline hints

Merged-by: Clément Bœsch <u@pkh.me>

Merge commit '3db51bf671defd47f2ec5ab67b11fb7730fb5e5a'

* commit '3db51bf671defd47f2ec5ab67b11fb7730fb5e5a':
  ac3dec: Simplify skipping

Merged-by: Clément Bœsch <u@pkh.me>

Merge commit 'f0ccc65bc9ab9ddf1366066395564c71bcc825ee'

* commit 'f0ccc65bc9ab9ddf1366066395564c71bcc825ee':
  ac3dec: Split coupling-specific code from decode_audio_block()

Merged-by: Clément Bœsch <u@pkh.me>

Merge commit 'a5ebe5d1217942238c641c83b24ef1106e53934a'

* commit 'a5ebe5d1217942238c641c83b24ef1106e53934a':
  ac3dec: Split spx-specific code from decode_audio_block()

Merged-by: Clément Bœsch <u@pkh.me>

Merge commit '2ac00d2d1d51047c6ce69d5fbe1a08392d142658'

* commit '2ac00d2d1d51047c6ce69d5fbe1a08392d142658':
  mov: Validate the ID number

This commit is a noop as the modified check is not present in FFmpeg.
See d30870cc730337b7017cc194d696f68ee48f7f1d.

Merged-by: Clément Bœsch <u@pkh.me>

Merge commit 'a115eb9e750543f1d8bf951414d291069bf396c2'

* commit 'a115eb9e750543f1d8bf951414d291069bf396c2':
  mimic: do not release the newly obsolete reference at the end of decoding

Merged-by: Clément Bœsch <u@pkh.me>

Merge commit 'ae90119c6701fa09ff747cca35238e36b2d2ab2f'

* commit 'ae90119c6701fa09ff747cca35238e36b2d2ab2f':
  configure: Simplify license incompatibility check

An extra GPLV3 list is added for libsmbclient as having it in both GPL
and VERSION3 lists would cause a duplicate in the final config list.

Also, for consistency, libnpp is treated the same as the other nonfree
component (libfdk_aac and openssl).

Merged-by: Clément Bœsch <u@pkh.me>

avcodec/videotoolboxenc: add rc_max_bitrate control into videotoolbox

add kVTCompressionPropertyKey_DataRateLimits support by rc_max_bitrate

Reviewed-by: Rick Kern <kernrj@gmail.com>
Signed-off-by: Steven Liu <lq@chinaffmpeg.org>

Merge commit 'e46a6fb7732a7caef97a916a4f765ec0f779d195'

* commit 'e46a6fb7732a7caef97a916a4f765ec0f779d195':
  avconv: Check that muxing_queue exists before reading from it

Mostly noop. This was fixed in FFmpeg in 7f7c494a3.

The merge makes the cosmetics match but does not include the weird
av_log().

Merged-by: Clément Bœsch <cboesch@gopro.com>

Merge commit '100fb0ddfda958da70f98feac81f924c02483789'

* commit '100fb0ddfda958da70f98feac81f924c02483789':
  configure: Allow detecting and using LLVM lld-link as linker for windows

Merged-by: Clément Bœsch <cboesch@gopro.com>

Merge commit '79fb0692992c74214c6cf8e81350fc93eeffc5ec'

* commit '79fb0692992c74214c6cf8e81350fc93eeffc5ec':
  configure: Move defines for controlling MSVCRT headers to the CRT detection section

Merged-by: Clément Bœsch <cboesch@gopro.com>

Merge commit '56af0bc10f49654b5b5f3efe82c69a13bf15fc8b'

* commit '56af0bc10f49654b5b5f3efe82c69a13bf15fc8b':
  configure: Check for strtoll and redirect to _strtoi64 in the msvcrt block

Also includes _strtoui64 in the check.

Merged-by: Clément Bœsch <cboesch@gopro.com>

Merge commit '48b80f8393d418ad35d73f5a36f5011de1928f3c'

* commit '48b80f8393d418ad35d73f5a36f5011de1928f3c':
  hpeldsp: Explain why put_no_rnd_pixels_tab is larger than necessary

Merged-by: Clément Bœsch <cboesch@gopro.com>

Merge commit '40ad05bab206c932a32171d45581080c914b06ec'

* commit '40ad05bab206c932a32171d45581080c914b06ec':
  checkasm: Cast unsigned to signed

Merged-by: Clément Bœsch <cboesch@gopro.com>

Merge commit 'b183abfb5b6366b177cf44f244c66156257a6fd6'

* commit 'b183abfb5b6366b177cf44f244c66156257a6fd6':
  vpx: Support color range

Decoder chunk not merged as the framework automatically copies avctx
color range to the frame color range. And we already set the avctx field
since cbcc88c039.

Merged-by: Clément Bœsch <cboesch@gopro.com>

lavc/h264dec: use OFFSET macro

avformat/hlsenc: fix duration wrong when no pkt duration

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>

ffmpeg, ffprobe: don't "merge" side data into packet data by default

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.

lavf/avio: Be more explicit in logging white/black list matches

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>

lavf/avio: Remove unnecessary escaping of ' in string literals

Signed-off-by: Alexander Strasser <eclipse7@gmx.net>

avcodec/mpegaudiodec_template: Make l3_unscale() work with e=0

Fixes undefined behavior
Fixes: 830/clusterfuzz-testcase-6253175327686656
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

avcodec/tiff: Check for multiple geo key directories

Fixes memleak
Fixes: 826/clusterfuzz-testcase-5316921379520512
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

avcodec/pictordec: Fix runtime error: left shift of 805306368 by 2 places cannot be represented in type 'int'

Fixes: 823/clusterfuzz-testcase-6727060074528768
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

doc/filters: Add colourspace values for colormatrix filter

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Kieran Kunhya <kierank@obe.tv>

avformat/flvenc: flx flvflags no_metadata bug

When use flvflags no_metadata , the FLV header will be cover by write tailer
This commit fix the bug

Signed-off-by: Steven Liu <lq@chinaffmpeg.org>

avformat/hlsenc: fix ticket 6231

check if the hls_flags is byterange_mode and check if should close fd

Signed-off-by: Steven Liu <lq@chinaffmpeg.org>

avcodec/wavpack: Fix runtime error: shift exponent 32 is too large for 32-bit type 'int'

Fixes: 822/clusterfuzz-testcase-4873433189974016
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

avcodec/targa: Skip hflip on blank images

Fixes: timeout with 810/clusterfuzz-testcase-5249282825256960
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

avcodec/wavpack: Fix runtime error: shift exponent 137 is too large for 32-bit type 'int'

Fixes: 808/clusterfuzz-testcase-4715513349406720
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

avcodec/h264_direct: Fix runtime error: signed integer overflow: 2147483647 - -14133 cannot be represented in type 'int'

Fixes: 755/clusterfuzz-testcase-5369072516595712
See: [FFmpeg-devel] [PATCH 1/2] avcodec/h264_direct: Fix runtime error: signed integer overflow: 2147483647 - -14133 cannot be represented in type 'int'

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

avcodec/xpmdec: there are XPM files with dos line endings

Signed-off-by: Paul B Mahol <onemda@gmail.com>

avfilter/vf_lut3d: actually skip lines when encountering DOMAIN_ string

Signed-off-by: Paul B Mahol <onemda@gmail.com>

avformat/hlsenc: second_levels flags process function extract

the SECOND_LEVEL* flags process and name is too long
extract all of them output to funtions, make code clear

Signed-off-by: Steven Liu <lq@chinaffmpeg.org>

avcodec/vp6: clear dimensions on failed resolution change in vp6_parse_header()

Fixes: 807/clusterfuzz-testcase-6470061042696192
Fixes null pointer dereference

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

avcodec/rv34: Fix runtime error: signed integer overflow: 36880 * 66288 cannot be represented in type 'int'

Fixes: 768/clusterfuzz-testcase-4807444305805312
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

avcodec/mpeg12dec: Fix runtime error: left shift of negative value -1

Fixes: 764/clusterfuzz-testcase-6273034652483584
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

avcodec/xpmdec: avoid "magic" numbers in function hex_char_to_number()

Signed-off-by: Paul B Mahol <onemda@gmail.com>

avcodec/xpmdec: fix colors values which are different for X11

Signed-off-by: Paul B Mahol <onemda@gmail.com>

avcodec/xpmdec: do not allow number of colors to be higher than allocated

Signed-off-by: Paul B Mahol <onemda@gmail.com>

avcodec/xpmdec: rename yet another function

Signed-off-by: Paul B Mahol <onemda@gmail.com>

avcodec/xpmdec: rename convert to hex_char_to_number

Signed-off-by: Paul B Mahol <onemda@gmail.com>

avcodec/xpmdec: improve comment for one function and also fix 2 identation issues

Signed-off-by: Paul B Mahol <onemda@gmail.com>

swresample/swresample: do not reset tsf on swr_alloc_set_opts

so tsf option in aresample will have effect
previously tsf/internal_sample_format had no effect

fate is updated
s32p previously used fltp internally
dblp previously used fltp/dblp internally

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>

vf_hwupload: Add missing return value check

Add missing return value checks to suppress build warning and
remove noop ff_formats_unref() calling.

Note: most filters using ff_formats_ref() didn't have a suitable
error handling, it's a potential memory leak issue.

Signed-off-by: Jun Zhao <jun.zhao@intel.com>
Signed-off-by: Mark Thompson <sw@jkqxz.net>

tests/api-seek: fix memory leak on realloc() failure

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>

test/api-seek: clean up properly on failure

Also propagate better error values.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>

tests/api-seek: make the crc array uint32_t

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>

avcodec/xpmdec: skip everything before signature

Signed-off-by: Paul B Mahol <onemda@gmail.com>

avcodec/codec_desc: add mime type for X-BitMap

Signed-off-by: Paul B Mahol <onemda@gmail.com>

avcodec/codec_desc: add mime type for X-PixMap

Signed-off-by: Paul B Mahol <onemda@gmail.com>

avcodec/xpmdec: make convert function more picky about its input

Signed-off-by: Paul B Mahol <onemda@gmail.com>

avcodec: add XPM decoder and demuxer

Signed-off-by: Paras Chadha <paraschadha18@gmail.com>

Merge commit 'ad71d3276fef0ee7e791e62bbfe9c4e540047417'

* commit 'ad71d3276fef0ee7e791e62bbfe9c4e540047417':
  lavfi: add a QSV deinterlacing filter

Minor fixup for lavfi differences.

Merged-by: Mark Thompson <sw@jkqxz.net>

Merge commit '8e07c22e508b349d145b9f142aa3ee8b3ce1d3a4'

* commit '8e07c22e508b349d145b9f142aa3ee8b3ce1d3a4':
  qsvenc: print warnings from encode/init

Merged-by: Mark Thompson <sw@jkqxz.net>

Merge commit '0956fd460681e8ccbdae19f135f0d3970bf95c2f'

* commit '0956fd460681e8ccbdae19f135f0d3970bf95c2f':
  qsvenc: do not re-execute encoding on all positive status codes

Noop, see fb240a6276fa36fe120aadd67b4ca774e354f22b.

Merged-by: Mark Thompson <sw@jkqxz.net>

Merge commit '95414eb2dc63a6f934275b4ed33dedd4369f2c49'

* commit '95414eb2dc63a6f934275b4ed33dedd4369f2c49':
  qsv: print more complete error messages

Merged-by: Mark Thompson <sw@jkqxz.net>

Merge commit 'd9ec3c60143babe1bb77c268e1d5547d15acd69b'

* commit 'd9ec3c60143babe1bb77c268e1d5547d15acd69b':
  qsvenc: take only the allocated dimensions from the frames context

Merged-by: Mark Thompson <sw@jkqxz.net>

Merge commit '37a9015ee84c15fec5247ba8f6577351a25fa8d2'

* commit '37a9015ee84c15fec5247ba8f6577351a25fa8d2':
  qsvenc: add support for p010

Merged-by: Mark Thompson <sw@jkqxz.net>

lavfi: add a QSV scaling filter

This merges libav commit ac7bfd69678f3966e38debdb27f4bde94dc0345c,
which was previously skipped.

(cherry picked from commit ac7bfd69678f3966e38debdb27f4bde94dc0345c)
Signed-off-by: Mark Thompson <sw@jkqxz.net>

Merge commit '21962261c74aed4df00ae8348a5e2d1ecb67c52d'

* commit '21962261c74aed4df00ae8348a5e2d1ecb67c52d':
  qsv: handle the semi-packed formats in map_fourcc as well

Merged-by: Mark Thompson <sw@jkqxz.net>

Merge commit 'f65285aba0df7d46298abe0c945dfee05cbc6028'

* commit 'f65285aba0df7d46298abe0c945dfee05cbc6028':
  lavc: set sw_pix_fmt for hwaccel encoding

Merged-by: Clément Bœsch <u@pkh.me>

Merge commit 'd59641abfd25a1007bdf4723d952887b1e3619c6'

* commit 'd59641abfd25a1007bdf4723d952887b1e3619c6':
  lavc: initialize AVCodecContext.sw_pix_fmt properly

Merged-by: Clément Bœsch <u@pkh.me>

Merge commit '8b7a9729aa162e2bbd571933f1aa40767f1ff47b'

* commit '8b7a9729aa162e2bbd571933f1aa40767f1ff47b':
  avconv_qsv: use the actual pixel format provided by lavc

This commit is a noop, see 03cef34aa66

Merged-by: Clément Bœsch <u@pkh.me>

Merge commit '6f40181cad8ac04adff7bd10e1e1ab65f22bc1f0'

* commit '6f40181cad8ac04adff7bd10e1e1ab65f22bc1f0':
  avconv_qsv: align the surface size to 32

This commit is a noop, see 03cef34aa66

Merged-by: Clément Bœsch <u@pkh.me>

Merge commit 'b0f36a0043d76436cc7ab8ff92ab99c94595d3c0'

* commit 'b0f36a0043d76436cc7ab8ff92ab99c94595d3c0':
  avconv: stop using setpts for input framerate forced with -r

Merged-by: Clément Bœsch <u@pkh.me>

avcodec/scpr: use correct linesize for prev frame

Signed-off-by: Paul B Mahol <onemda@gmail.com>

avcodec/dca_xll: Fix runtime error: signed integer overflow: 2147286116 + 6298923 cannot be represented in type 'int'

Fixes: 732/clusterfuzz-testcase-4872990070145024
See: [FFmpeg-devel] [PATCH 2/6] avcodec/dca_xll: Fix runtime error: signed integer overflow: 2147286116 + 6298923 cannot be represented in type 'int'
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

avcodec/amrwbdec: Fix  runtime error: left shift of negative value -1

Fixes: 763/clusterfuzz-testcase-6007567320875008
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

avcodec/dca_xll: Fix runtime error: signed integer overflow: 1762028192 + 698372290 cannot be represented in type 'int'

Fixes: 762/clusterfuzz-testcase-5927683747741696
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

avcodec/wavpack: Fix runtime error: signed integer overflow: -2147483648 + -83886075 cannot be represented in type 'int'

Fixes: 761/clusterfuzz-testcase-5442222252097536
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

avfilter/af_firequalizer: add av_restrict on convolution func

slightly improved speed

Reviewed-by: wm4 <nfxjfg@googlemail.com>
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>

lavf/dashenc: update bitrates on dash_write_trailer

Provides a way to change bandwidth parameter inside DASH manifest after a non-CBR H.264 encoding.
Caller now is able to compute the bitrate by itself, after all packets have been written, and then set that value in AVFormatContext->streams->codecpar->bit_rate before calling av_write_trailer. As a result that value will be set in DASH manifest.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

doc/muxers: move hls_flags temp_file to after SECOND LEVEL hls example

the temp_file hls_flags describe text offset is wrong, now move it after example

Signed-off-by: Steven Liu <lq@chinaffmpeg.org>

aarch64: vp9itxfm: Reorder iadst16 coeffs

This matches the order they are in the 16 bpp version.

There they are in this order, to make sure we access them in the
same order they are declared, easing loading only half of the
coefficients at a time.

This makes the 8 bpp version match the 16 bpp version better.

This is cherrypicked from libav commit
b8f66c0838b4c645227f23a35b4d54373da4c60a.

Signed-off-by: Martin Storsjö <martin@martin.st>

arm: vp9itxfm: Reorder iadst16 coeffs

This matches the order they are in the 16 bpp version.

There they are in this order, to make sure we access them in the
same order they are declared, easing loading only half of the
coefficients at a time.

This makes the 8 bpp version match the 16 bpp version better.

This is cherrypicked from libav commit
08074c092d8c97d71c5986e5325e97ffc956119d.

Signed-off-by: Martin Storsjö <martin@martin.st>

aarch64: vp9itxfm: Reorder the idct coefficients for better pairing

All elements are used pairwise, except for the first one.
Previously, the 16th element was unused. Move the unused element
to the second slot, to make the later element pairs not split
across registers.

This simplifies loading only parts of the coefficients,
reducing the difference to the 16 bpp version.

This is cherrypicked from libav commit
09eb88a12e008d10a3f7a6be75d18ad98b368e68.

Signed-off-by: Martin Storsjö <martin@martin.st>

arm: vp9itxfm: Reorder the idct coefficients for better pairing

All elements are used pairwise, except for the first one.
Previously, the 16th element was unused. Move the unused element
to the second slot, to make the later element pairs not split
across registers.

This simplifies loading only parts of the coefficients,
reducing the difference to the 16 bpp version.

This is cherrypicked from libav commit
de06bdfe6c8abd8266d5c6f5c68e4df0060b61fc.

Signed-off-by: Martin Storsjö <martin@martin.st>

aarch64: vp9itxfm: Avoid reloading the idct32 coefficients

The idct32x32 function actually pushed d8-d15 onto the stack even
though it didn't clobber them; there are plenty of registers that
can be used to allow keeping all the idct coefficients in registers
without having to reload different subsets of them at different
stages in the transform.

After this, we still can skip pushing d12-d15.

Before:
vp9_inv_dct_dct_32x32_sub32_add_neon: 8128.3
After:
vp9_inv_dct_dct_32x32_sub32_add_neon: 8053.3

This is cherrypicked from libav commit
65aa002d54433154a6924dc13e498bec98451ad0.

Signed-off-by: Martin Storsjö <martin@martin.st>

arm: vp9itxfm: Avoid reloading the idct32 coefficients

The idct32x32 function actually pushed q4-q7 onto the stack even
though it didn't clobber them; there are plenty of registers that
can be used to allow keeping all the idct coefficients in registers
without having to reload different subsets of them at different
stages in the transform.

Since the idct16 core transform avoids clobbering q4-q7 (but clobbers
q2-q3 instead, to avoid needing to back up and restore q4-q7 at all
in the idct16 function), and the lanewise vmul needs a register in
the q0-q3 range, we move the stored coefficients from q2-q3 into q4-q5
while doing idct16.

While keeping these coefficients in registers, we still can skip pushing
q7.

Before:                              Cortex A7       A8       A9      A53
vp9_inv_dct_dct_32x32_sub32_add_neon:  18553.8  17182.7  14303.3  12089.7
After:
vp9_inv_dct_dct_32x32_sub32_add_neon:  18470.3  16717.7  14173.6  11860.8

This is cherrypicked from libav commit
402546a17233a8815307df9e14ff88cd70424537.

Signed-off-by: Martin Storsjö <martin@martin.st>

arm: vp9lpf: Implement the mix2_44 function with one single filter pass

For this case, with 8 inputs but only changing 4 of them, we can fit
all 16 input pixels into a q register, and still have enough temporary
registers for doing the loop filter.

The wd=8 filters would require too many temporary registers for
processing all 16 pixels at once though.

Before:                          Cortex A7      A8     A9     A53
vp9_loop_filter_mix2_v_44_16_neon:   289.7   256.2  237.5   181.2
After:
vp9_loop_filter_mix2_v_44_16_neon:   221.2   150.5  177.7   138.0

This is cherrypicked from libav commit
575e31e931e4178e9f1e24407503c9b4ec0ef9ba.

Signed-off-by: Martin Storsjö <martin@martin.st>

aarch64: vp9lpf: Use dup+rev16+uzp1 instead of dup+lsr+dup+trn1

This is one cycle faster in total, and three instructions fewer.

Before:
vp9_loop_filter_mix2_v_44_16_neon: 123.2
After:
vp9_loop_filter_mix2_v_44_16_neon: 122.2

This is cherrypicked from libav commit
3bf9c48320f25f3d5557485b0202f22ae60748b0.

Signed-off-by: Martin Storsjö <martin@martin.st>

arm/aarch64: vp9lpf: Keep the comparison to E within 8 bit

The theoretical maximum value of E is 193, so we can just
saturate the addition to 255.

Before:                     Cortex A7      A8      A9     A53  A53/AArch64
vp9_loop_filter_v_4_8_neon:     143.0   127.7   114.8    88.0         87.7
vp9_loop_filter_v_8_8_neon:     241.0   197.2   173.7   140.0        136.7
vp9_loop_filter_v_16_8_neon:    497.0   419.5   379.7   293.0        275.7
vp9_loop_filter_v_16_16_neon:   965.2   818.7   731.4   579.0        452.0
After:
vp9_loop_filter_v_4_8_neon:     136.0   125.7   112.6    84.0         83.0
vp9_loop_filter_v_8_8_neon:     234.0   195.5   171.5   136.0        133.7
vp9_loop_filter_v_16_8_neon:    490.0   417.5   377.7   289.0        271.0
vp9_loop_filter_v_16_16_neon:   951.2   814.7   732.3   571.0        446.7

This is cherrypicked from libav commit
c582cb8537367721bb399a5d01b652c20142b756.

Signed-off-by: Martin Storsjö <martin@martin.st>

aarch64: Add parentheses around the offset parameter in movrel

This fixes building with clang for linux with PIC enabled.

This is cherrypicked from libav commit
8847eeaa141898850381400000fb2b8a7adc7100.

Signed-off-by: Martin Storsjö <martin@martin.st>

aarch64: vp9lpf: Fix broken indentation/vertical alignment

This is cherrypicked from libav commit
07b5136c481d394992c7e951967df0cfbb346c0b.

Signed-off-by: Martin Storsjö <martin@martin.st>

aarch64: vp9lpf: Interleave the start of flat8in into the calculation above

This adds lots of extra .ifs, but speeds it up by a couple cycles,
by avoiding stalls.

This is cherrypicked from libav commit
b0806088d3b27044145b20421da8d39089ae0c6a.

Signed-off-by: Martin Storsjö <martin@martin.st>

arm: vp9lpf: Interleave the start of flat8in into the calculation above

This adds lots of extra .ifs, but speeds it up by a couple cycles,
by avoiding stalls.

This is cherrypicked from libav commit
e18c39005ad1dbb178b336f691da1de91afd434e.

Signed-off-by: Martin Storsjö <martin@martin.st>

arm: vp9lpf: Use orrs instead of orr+cmp

This is cherrypicked from libav commit
435cd7bc99671bf561193421a50ac6e9d63c4266.

Signed-off-by: Martin Storsjö <martin@martin.st>

arm/aarch64: vp9lpf: Calculate !hev directly

Previously we first calculated hev, and then negated it.

Since we were able to schedule the negation in the middle
of another calculation, we don't see any gain in all cases.

Before:                     Cortex A7      A8      A9     A53  A53/AArch64
vp9_loop_filter_v_4_8_neon:     147.0   129.0   115.8    89.0         88.7
vp9_loop_filter_v_8_8_neon:     242.0   198.5   174.7   140.0        136.7
vp9_loop_filter_v_16_8_neon:    500.0   419.5   382.7   293.0        275.7
vp9_loop_filter_v_16_16_neon:   971.2   825.5   731.5   579.0        453.0
After:
vp9_loop_filter_v_4_8_neon:     143.0   127.7   114.8    88.0         87.7
vp9_loop_filter_v_8_8_neon:     241.0   197.2   173.7   140.0        136.7
vp9_loop_filter_v_16_8_neon:    497.0   419.5   379.7   293.0        275.7
vp9_loop_filter_v_16_16_neon:   965.2   818.7   731.4   579.0        452.0

This is cherrypicked from libav commit
e1f9de86f454861b69b199ad801adc2ec6c3b220.

Signed-off-by: Martin Storsjö <martin@martin.st>

aarch64: vp9itxfm: Optimize 16x16 and 32x32 idct dc by unrolling

This work is sponsored by, and copyright, Google.

Before:                           Cortex A53
vp9_inv_dct_dct_16x16_sub1_add_neon:   235.3
vp9_inv_dct_dct_32x32_sub1_add_neon:   555.1
After:
vp9_inv_dct_dct_16x16_sub1_add_neon:   180.2
vp9_inv_dct_dct_32x32_sub1_add_neon:   475.3

This is cherrypicked from libav commit
3fcf788fbbccc4130868e7abe58a88990290f7c1.

Signed-off-by: Martin Storsjö <martin@martin.st>

arm: vp9itxfm: Optimize 16x16 and 32x32 idct dc by unrolling

This work is sponsored by, and copyright, Google.

Before:                            Cortex A7      A8      A9     A53
vp9_inv_dct_dct_16x16_sub1_add_neon:   273.0   189.5   211.7   235.8
vp9_inv_dct_dct_32x32_sub1_add_neon:   752.0   459.2   862.2   553.9
After:
vp9_inv_dct_dct_16x16_sub1_add_neon:   226.5   145.0   225.1   171.8
vp9_inv_dct_dct_32x32_sub1_add_neon:   721.2   415.7   727.6   475.0

This is cherrypicked from libav commit
a76bf8cf1277ef6feb1580b578f5e6ca327e713c.

Signed-off-by: Martin Storsjö <martin@martin.st>

aarch64: vp9mc: Calculate less unused data in the 4 pixel wide horizontal filter

No measured speedup on a Cortex A53, but other cores might benefit.

This is cherrypicked from libav commit
388e0d2515bc6bbc9d0c9af1d230bd16cf945fe7.

Signed-off-by: Martin Storsjö <martin@martin.st>

arm: vp9mc: Calculate less unused data in the 4 pixel wide horizontal filter

Before:                    Cortex A7      A8     A9     A53
vp9_put_8tap_smooth_4h_neon:   378.1   273.2  340.7   229.5
After:
vp9_put_8tap_smooth_4h_neon:   352.1   222.2  290.5   229.5

This is cherrypicked from libav commit
fea92a4b57d1c328b1de226a5f213a629ee63754.

Signed-off-by: Martin Storsjö <martin@martin.st>

aarch64: vp9mc: Simplify the extmla macro parameters

Fold the field lengths into the macro.

This makes the macro invocations much more readable, when the
lines are shorter.

This also makes it easier to use only half the registers within
the macro.

This is cherrypicked from libav commit
5e0c2158fbc774f87d3ce4b7b950ba4d42c4a7b8.

Signed-off-by: Martin Storsjö <martin@martin.st>

aarch64: vp9itxfm: Fix incorrect vertical alignment

This is cherrypicked from libav commit
0c0b87f12d48d4e7f0d3d13f9345e828a3a5ea32.

Signed-off-by: Martin Storsjö <martin@martin.st>

aarch64: vp9itxfm: Update a comment to refer to a register with a different name

This is cherrypicked from libav commit
8476eb0d3ab1f7a52317b23346646389c08fb57a.

Signed-off-by: Martin Storsjö <martin@martin.st>

aarch64: vp9itxfm: Use the right lane sizes in 8x8 for improved readability

This is cherrypicked from libav commit
3dd7827258ddaa2e51085d0c677d6f3b1be3572f.

Signed-off-by: Martin Storsjö <martin@martin.st>

aarch64: vp9itxfm: Use a single lane ld1 instead of ld1r where possible

The ld1r is a leftover from the arm version, where this trick is
beneficial on some cores.

Use a single-lane load where we don't need the semantics of ld1r.

This is cherrypicked from libav commit
ed8d293306e12c9b79022d37d39f48825ce7f2fa.

Signed-off-by: Martin Storsjö <martin@martin.st>