Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

It is not needed on x64, because the AV_COPY* and AV_ZERO*
macros never use MMX on x64.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

It can be used to call emms_c() only when needed.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

Reviewed-by: Peter Ross <pross@xvid.org>
Reviewed-by: Ronald S. Bultje <rsbultje@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

It is only an auxiliary value used for parsing the VP7 frame header.
Reviewed-by: Peter Ross <pross@xvid.org>
Reviewed-by: Ronald S. Bultje <rsbultje@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

Forgotten in d6f8476b.
Reviewed-by: Peter Ross <pross@xvid.org>
Reviewed-by: Ronald S. Bultje <rsbultje@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

Do it only if the value conflicts with the previous channels value.

Fixes ticket #9912
Signed-off-by: James Almer <jamrial@gmail.com>

How did this get here?

ffmpeg -i 1_h264_1080p_30fps_3Mbps.mp4 -f rawvideo -s 640x480 -pix_fmt
rgb24 -y /dev/null -an
before: 150fps
after:  183fps
Signed-off-by: Hao Chen <chenhao@loongson.cn>
Reviewed-by: yinshiyou-hf@loongson.cn
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

ffmpeg -i 1_h264_1080p_30fps_3Mbps.mp4 -f rawvideo -pix_fmt rgb24 -y /dev/null -an
before: 178fps
after:  210fps
Signed-off-by: Hao Chen <chenhao@loongson.cn>
Reviewed-by: yinshiyou-hf@loongson.cn
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

ffmpeg -i 1_h264_1080p_30fps_3Mbps.mp4 -f rawvideo -s 640x480 -y /dev/null -an
before: 101fps
after:  138fps
Signed-off-by: Hao Chen <chenhao@loongson.cn>
Reviewed-by: yinshiyou-hf@loongson.cn
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

This generalises the existing P010 support.

Fixes: memleak
Fixes: 50703/clusterfuzz-testcase-minimized-ffmpeg_dem_HLS_fuzzer-6399058578636800

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpegReviewed-by: Steven Liu <lingjiujianke@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Fixes: Timeout
Fixes: 47969/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_UTVIDEO_fuzzer-5097256832860160

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

This way more things are checked before allocation
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

This just inverts their signs. Simplifies SIMD.

The same code can perform any-length MDCTs with minimal changes.

They support in-place, because they have to use a temporary buffer.

The field is documented as a combination of both.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

This will be useful in the next commit.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

Add vectorized implementation of nsse16 function.

Performance comparison tests are shown below.
- nsse_0_c: 682.2
- nsse_0_neon: 116.5

Benchmarks and tests run with checkasm tool on AWS Graviton 3.
Co-authored-by: Martin Storsjö <martin@martin.st>
Signed-off-by: Hubert Mazur <hum@semihalf.com>
Signed-off-by: Martin Storsjö <martin@martin.st>

Provide optimized implementation for vsse_intra16 for arm64.

Performance tests are shown below.
- vsse_4_c: 155.2
- vsse_4_neon: 36.2

Benchmarks and tests are run with checkasm tool on AWS Graviton 3.
Signed-off-by: Hubert Mazur <hum@semihalf.com>
Signed-off-by: Martin Storsjö <martin@martin.st>

Provide optimized implementation for vsad_intra16 function for arm64.

Performance comparison tests are shown below.
- vsad_4_c: 177.5
- vsad_4_neon: 23.5

Benchmarks and tests are run with checkasm tool on AWS Gravtion 3.
Signed-off-by: Hubert Mazur <hum@semihalf.com>
Signed-off-by: Martin Storsjö <martin@martin.st>

Provide optimized implementation of vsse16 for arm64.

Performance comparison tests are shown below.
- vsse_0_c: 257.7
- vsse_0_neon: 59.2

Benchmarks and tests are run with checkasm tool on AWS Graviton 3.
Signed-off-by: Hubert Mazur <hum@semihalf.com>
Signed-off-by: Martin Storsjö <martin@martin.st>

Provide optimized implementation of vsad16 function for arm64.

Performance comparison tests are shown below.
- vsad_0_c: 285.2
- vsad_0_neon: 39.5

Benchmarks and tests are run with checkasm tool on AWS Graviton 3.
Co-authored-by: Martin Storsjö <martin@martin.st>
Signed-off-by: Hubert Mazur <hum@semihalf.com>
Signed-off-by: Martin Storsjö <martin@martin.st>

Signed-off-by: Wenbin Chen <wenbin.chen@intel.com>

Signed-off-by: Wenbin Chen <wenbin.chen@intel.com>

Signed-off-by: Wenbin Chen <wenbin.chen@intel.com>

Add "slice" intra refresh type to h264_qsv and hevc_qsv. This type means
horizontal refresh by slices without overlapping. Also update the doc.
Signed-off-by: Wenbin Chen <wenbin.chen@intel.com>

Signed-off-by: Wenbin Chen <wenbin.chen@intel.com>