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FFmpeg/libavutil
History
Lynne ae66a9db7b
lavu/tx: optimize and simplify inverse MDCTs 
Convert the input from a scatter to a gather instead,
which is faster and better for SIMD.
Also, add a pre-shuffled exptab version to avoid
gathering there at all. This doubles the exptab size,
but the speedup makes it worth it. In SIMD, the
exptab will likely be purged to a higher cache
anyway because of the FFT in the middle, and
the amount of loads stays identical.

For a 960-point inverse MDCT, the speedup is 10%.

This makes it possible to write sane and fast SIMD
versions of inverse MDCTs.
2022-08-16 01:22:38 +02:00
..
aarch64
aarch64: Only emit the PAC/BTI note section when targeting ELF
2022-03-15 00:44:28 +02:00
arm
avutil: use getauxval(3) for CPU capabilities on linux/android ARM
2022-02-07 13:42:40 -08:00
avr32
…
bfin
…
loongarch
avcodec/loongarch/h264chroma, vc1dsp_lasx: Add wrapper for __lasx_xvldx
2022-08-05 02:59:58 +02:00
mips
…
ppc
avutil/ppc/cpu: Use proper header for OpenBSD PPC CPU detection
2022-06-25 12:16:51 +02:00
sh4
…
tests
avutil/test/pixfmt_best: test the VUYA pixel format
2022-08-07 09:33:16 -03:00
tomi
…
x86
x86/tx_float: save a branch during coefficient deinterleaving
2022-08-09 03:35:12 +02:00
.gitignore
…
adler32.c
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
adler32.h
…
aes_ctr.c
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
aes_ctr.h
…
aes_internal.h
…
aes.c
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
aes.h
…
attributes.h
avutil/attributes: add support for clang in AV_NOWARN_DEPRECATED
2022-03-16 12:29:37 -03:00
audio_fifo.c
avutil/audio_fifo: Avoid avutil.h inclusion
2022-02-24 12:56:49 +01:00
audio_fifo.h
avutil/audio_fifo: Avoid avutil.h inclusion
2022-02-24 12:56:49 +01:00
avassert.h
avutil/avassert: Don't include avutil.h
2022-02-24 12:56:49 +01:00
avsscanf.c
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
avstring.c
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
avstring.h
…
avutil.h
libavutil: Deprecate av_fopen_utf8, provide an avpriv version
2022-05-23 13:52:26 +03:00
avutilres.rc
…
base64.c
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
base64.h
…
blowfish.c
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
blowfish.h
…
bprint.c
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
bprint.h
…
bswap.h
…
buffer_internal.h
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
buffer.c
avutil/buffer: Never poison returned buffers
2022-08-10 18:49:35 +02:00
buffer.h
…
camellia.c
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
camellia.h
…
cast5.c
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
cast5.h
…
channel_layout.c
Revert "avutil/channel_layout: av_channel_layout_describe_bprint: Check for buffer end"
2022-07-04 14:04:54 -03:00
channel_layout.h
channel_layout: add support for Ambisonic
2022-03-15 09:42:47 -03:00
color_utils.c
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
color_utils.h
…
colorspace.h
…
common.h
Remove obsolete version.h inclusions
2022-02-24 12:56:49 +01:00
cpu_internal.h
avutil/cpu_internal: Fix check for SSE2SLOW
2022-06-18 19:25:03 +02:00
cpu.c
all: Replace if (ARCH_FOO) checks by #if ARCH_FOO
2022-06-15 04:56:37 +02:00
cpu.h
avutil/cpu: add AVX512 Icelake flag
2022-03-10 16:45:48 -03:00
crc.c
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
crc.h
…
csp.c
avutil/csp: create public API for colorspace structs
2022-06-01 13:52:38 -04:00
csp.h
avutil/csp: create public API for colorspace structs
2022-06-01 13:52:38 -04:00
cuda_check.h
avutil/log: Don't include avutil.h
2022-02-24 12:56:49 +01:00
des.c
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
des.h
…
detection_bbox.c
avutil/detection_bbox: Fix av_detection_bbox_alloc failed if nb_bboxes == 0
2021-10-08 10:11:59 +08:00
detection_bbox.h
…
dict.c
…
dict.h
…
display.c
avutil/display: Don't include avutil.h
2022-02-24 12:56:49 +01:00
display.h
avutil/display: Don't include avutil.h
2022-02-24 12:56:49 +01:00
dovi_meta.c
lavu/frame: Add Dolby Vision metadata side data type
2022-01-04 11:59:02 +01:00
dovi_meta.h
lavu/frame: Add Dolby Vision metadata side data type
2022-01-04 11:59:02 +01:00
downmix_info.c
…
downmix_info.h
…
dynarray.h
…
encryption_info.c
Replace all occurences of av_mallocz_array() by av_calloc()
2021-09-20 01:03:52 +02:00
encryption_info.h
…
error.c
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
error.h
…
eval.c
…
eval.h
avutil/eval: Don't include avutil.h
2022-02-24 12:56:49 +01:00
ffmath.h
…
fifo.c
avutil/fifo: Don't include avutil.h
2022-02-24 12:56:49 +01:00
fifo.h
avutil/fifo: Don't include avutil.h
2022-02-24 12:56:49 +01:00
file_open.c
avutil/wchar_filename,file_open: Support long file names on Windows
2022-06-09 13:03:47 +03:00
file.c
…
file.h
avutil/file: Don't include avutil.h
2022-02-24 12:56:49 +01:00
film_grain_params.c
…
film_grain_params.h
…
fixed_dsp.c
all: Replace if (ARCH_FOO) checks by #if ARCH_FOO
2022-06-15 04:56:37 +02:00
fixed_dsp.h
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
float_dsp.c
all: Replace if (ARCH_FOO) checks by #if ARCH_FOO
2022-06-15 04:56:37 +02:00
float_dsp.h
…
frame.c
lavu/frame: allow calling av_frame_make_writable() on non-refcounted frames
2022-08-02 10:44:37 +02:00
frame.h
lavu/frame: allow calling av_frame_make_writable() on non-refcounted frames
2022-08-02 10:44:37 +02:00
getenv_utf8.h
libavutil: Add wchartoutf8(), wchartoansi(), utf8toansi(), getenv_utf8(), freeenv_utf8() and getenv_dup()
2022-06-21 13:27:46 +03:00
hash.c
…
hash.h
…
hdr_dynamic_metadata.c
…
hdr_dynamic_metadata.h
…
hdr_dynamic_vivid_metadata.c
avutil: support for CUVA Vivid HDR metadata
2022-03-01 09:08:43 +08:00
hdr_dynamic_vivid_metadata.h
avutil: support for CUVA Vivid HDR metadata
2022-03-01 09:08:43 +08:00
hmac.c
…
hmac.h
…
hwcontext_cuda_internal.h
…
hwcontext_cuda.c
avutil/hwcontext_cuda: return more useful error codes from init functions
2021-11-22 23:03:21 +01:00
hwcontext_cuda.h
…
hwcontext_d3d11va.c
avutil/hwcontext_d3d11va: add support for rgbaf16 pixel format
2022-08-13 15:21:59 +02:00
hwcontext_d3d11va.h
…
hwcontext_drm.c
…
hwcontext_drm.h
…
hwcontext_dxva2.c
avutil/hwcontext_dxva2: add ARGB format
2021-11-13 19:22:57 +01:00
hwcontext_dxva2.h
…
hwcontext_internal.h
Revert "avutils/hwcontext: When deriving a hwdevice, search for existing device in both directions"
2022-01-05 11:56:58 +08:00
hwcontext_mediacodec.c
…
hwcontext_mediacodec.h
…
hwcontext_opencl.c
qsv: remove mfx/ prefix from mfx headers
2022-08-12 10:43:39 +08:00
hwcontext_opencl.h
…
hwcontext_qsv.c
lavu/hwcontext_qsv: make qsv hwdevice works with oneVPL
2022-08-12 10:43:39 +08:00
hwcontext_qsv.h
lavu/hwcontext_qsv: add loader field to AVQSVDeviceContext
2022-08-12 10:43:39 +08:00
hwcontext_stub.c
)hwcontext: add a stub implementation for Vulkan functions
2022-07-05 15:20:08 +02:00
hwcontext_vaapi.c
lavu/hwcontext_vaapi: Map the AYUV format
2022-08-03 14:10:12 -07:00
hwcontext_vaapi.h
…
hwcontext_vdpau.c
…
hwcontext_vdpau.h
…
hwcontext_videotoolbox.c
avutil/hwcontext_videotoolbox: create real buffer pool
2022-04-29 17:27:37 +08:00
hwcontext_videotoolbox.h
avutil/hwcontext_videotoolbox: add missing include for AVFrame
2022-08-08 11:08:55 +08:00
hwcontext_vulkan.c
avutil/hwcontext_vulkan: fix typo in undef
2022-03-14 17:50:07 +01:00
hwcontext_vulkan.h
hwcontext_vulkan: stricter semaphore number requirements
2021-12-10 17:04:22 +01:00
hwcontext.c
lavu/hwcontext: clarify behavior on av_hwframe_map() failure
2022-02-17 11:05:44 +01:00
hwcontext.h
lavu/hwcontext: clarify behavior on av_hwframe_map() failure
2022-02-17 11:05:44 +01:00
imgutils_internal.h
…
imgutils.c
…
imgutils.h
avutil/imgutils: Don't include avutil.h
2022-02-24 12:56:49 +01:00
integer.c
avutil/integer: Don't include common.h
2022-02-24 12:56:49 +01:00
integer.h
avutil/integer: Don't include common.h
2022-02-24 12:56:49 +01:00
internal.h
libavutil: Deprecate av_fopen_utf8, provide an avpriv version
2022-05-23 13:52:26 +03:00
intfloat.h
…
intmath.c
…
intmath.h
…
intreadwrite.h
…
lfg.c
…
lfg.h
…
libavutil.v
…
libm.h
…
lls.c
all: Replace if (ARCH_FOO) checks by #if ARCH_FOO
2022-06-15 04:56:37 +02:00
lls.h
…
log2_tab.c
…
log.c
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
log.h
avutil/log: Don't include avutil.h
2022-02-24 12:56:49 +01:00
lzo.c
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
lzo.h
…
macos_kperf.c
…
macos_kperf.h
…
macros.h
…
Makefile
configure: always enable gnu_windres if available
2022-08-13 14:42:36 +02:00
mastering_display_metadata.c
…
mastering_display_metadata.h
…
mathematics.c
avutil/avassert: Don't include avutil.h
2022-02-24 12:56:49 +01:00
mathematics.h
avutil/mathematics: Document av_rescale_rnd() behavior on non int64 results
2021-10-21 14:13:03 +02:00
md5.c
avutil/md5: Avoid av_unused variable
2021-10-02 17:13:57 +02:00
md5.h
…
mem_internal.h
…
mem.c
avutil/mem: Handle fast allocations near UINT_MAX properly
2022-07-06 22:53:15 +02:00
mem.h
avutil/mem: fix doc for reallocs
2022-05-26 17:18:23 +08:00
motion_vector.h
…
murmur3.c
…
murmur3.h
…
objc.h
avutil: add obj-c helpers into header-only include
2021-12-18 11:55:47 -08:00
opt.c
avutil/opt: Combine multiple av_log statements
2022-08-03 21:09:24 +02:00
opt.h
lavu: support AVChannelLayout AVOptions
2022-03-15 09:42:29 -03:00
parseutils.c
avutil/parseutils: use quadhd for Quad HD
2022-01-12 13:42:26 +08:00
parseutils.h
…
pca.c
…
pca.h
…
pixdesc.c
lavu/pixfmt: add packed RGBA float16 format
2022-08-13 15:21:46 +02:00
pixdesc.h
…
pixelutils.c
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
pixelutils.h
avutil/pixelutils: Don't include common.h
2022-02-24 12:56:49 +01:00
pixfmt.h
lavu/pixfmt: add packed RGBA float16 format
2022-08-13 15:21:46 +02:00
qsort.h
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
random_seed.c
…
random_seed.h
…
rational.c
…
rational.h
…
rc4.c
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
rc4.h
…
replaygain.h
…
reverse.c
…
reverse.h
…
ripemd.c
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
ripemd.h
…
samplefmt.c
avutil/samplefmt: Don't include attributes.h, avutil.h
2022-02-24 12:56:49 +01:00
samplefmt.h
avutil/samplefmt: Don't include attributes.h, avutil.h
2022-02-24 12:56:49 +01:00
sha512.c
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
sha512.h
…
sha.c
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
sha.h
…
slicethread.c
avutil/avassert: Don't include avutil.h
2022-02-24 12:56:49 +01:00
slicethread.h
…
softfloat_ieee754.h
…
softfloat_tables.h
…
softfloat.h
…
spherical.c
…
spherical.h
…
stereo3d.c
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
stereo3d.h
…
tablegen.h
…
tea.c
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
tea.h
…
thread.h
avutil/log: Don't include avutil.h
2022-02-24 12:56:49 +01:00
threadmessage.c
avutil/fifo: Don't include avutil.h
2022-02-24 12:56:49 +01:00
threadmessage.h
…
time_internal.h
…
time.c
…
time.h
…
timecode.c
avutil/timecode: use timecode fps for number of frame digits
2022-04-22 22:54:58 +02:00
timecode.h
…
timer.h
avutil/log: Don't include avutil.h
2022-02-24 12:56:49 +01:00
timestamp.h
…
tree.c
…
tree.h
…
twofish.c
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
twofish.h
…
tx_double.c
…
tx_float.c
…
tx_int32.c
…
tx_priv.h
lavu/tx: optimize and simplify inverse MDCTs
2022-08-16 01:22:38 +02:00
tx_template.c
lavu/tx: optimize and simplify inverse MDCTs
2022-08-16 01:22:38 +02:00
tx.c
lavu/tx: optimize and simplify inverse MDCTs
2022-08-16 01:22:38 +02:00
tx.h
avutil/tx: Fix documentation of av_tx_uninit()
2022-02-11 19:38:41 +01:00
utils.c
lib*/version: Move library version functions into files of their own
2022-05-10 06:49:32 +02:00
uuid.c
avutil/uuid: add utility library for manipulating UUIDs as specified in RFC 4122
2022-06-12 18:34:28 +10:00
uuid.h
avutil/uuid: add utility library for manipulating UUIDs as specified in RFC 4122
2022-06-12 18:34:28 +10:00
version_major.h
Fix libversion.sh for split version headers, to unbreak shared library builds
2022-03-17 11:11:17 +02:00
version.c
lib*/version: Move library version functions into files of their own
2022-05-10 06:49:32 +02:00
version.h
lavu/pixfmt: add packed RGBA float16 format
2022-08-13 15:21:46 +02:00
video_enc_params.c
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
video_enc_params.h
…
vulkan_functions.h
hwcontext_vulkan: avoid using 64-bit enums
2022-01-27 10:27:09 +01:00
vulkan_glslang.c
avutil/vulkan_glslang: fix compiling failure issue
2021-11-19 16:47:48 +01:00
vulkan_loader.h
vulkan_loader: fix typo in error message
2021-11-18 06:40:52 +01:00
vulkan_shaderc.c
lavu/vulkan: add support for using libshaderc as a GLSL compiler
2021-11-19 16:47:30 +01:00
vulkan.c
lavu/vulkan: avoid using strlen as a loop condition
2022-02-22 06:30:12 +01:00
vulkan.h
vulkan: fix checkheaders
2021-11-19 16:47:28 +01:00
wchar_filename.h
avutil/wchar_filename: Make the header C++ compatible
2022-06-28 10:59:31 +02:00
xga_font_data.c
…
xga_font_data.h
…
xtea.c
Remove unnecessary libavutil/(avutil|common|internal).h inclusions
2022-02-24 12:56:49 +01:00
xtea.h
…