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jinbo 9239081db3
avcodec/hevc: Add asm opt for the following functions 
tests/checkasm/checkasm:           C       LSX     LASX
put_hevc_qpel_uni_h4_8_c:          5.7     1.2
put_hevc_qpel_uni_h6_8_c:          12.2    2.7
put_hevc_qpel_uni_h8_8_c:          21.5    3.2
put_hevc_qpel_uni_h12_8_c:         47.2    9.2     7.2
put_hevc_qpel_uni_h16_8_c:         87.0    11.7    9.0
put_hevc_qpel_uni_h24_8_c:         188.2   27.5    21.0
put_hevc_qpel_uni_h32_8_c:         335.2   46.7    28.5
put_hevc_qpel_uni_h48_8_c:         772.5   104.5   65.2
put_hevc_qpel_uni_h64_8_c:         1383.2  142.2   109.0

put_hevc_epel_uni_w_v4_8_c:        5.0     1.5
put_hevc_epel_uni_w_v6_8_c:        10.7    3.5     2.5
put_hevc_epel_uni_w_v8_8_c:        18.2    3.7     3.0
put_hevc_epel_uni_w_v12_8_c:       40.2    10.7    7.5
put_hevc_epel_uni_w_v16_8_c:       70.2    13.0    9.2
put_hevc_epel_uni_w_v24_8_c:       158.2   30.2    22.5
put_hevc_epel_uni_w_v32_8_c:       281.0   52.0    36.5
put_hevc_epel_uni_w_v48_8_c:       631.7   116.7   82.7
put_hevc_epel_uni_w_v64_8_c:       1108.2  207.5   142.2

put_hevc_epel_uni_w_h4_8_c:        4.7     1.2
put_hevc_epel_uni_w_h6_8_c:        9.7     3.5     2.7
put_hevc_epel_uni_w_h8_8_c:        17.2    4.2     3.5
put_hevc_epel_uni_w_h12_8_c:       38.0    11.5    7.2
put_hevc_epel_uni_w_h16_8_c:       69.2    14.5    9.2
put_hevc_epel_uni_w_h24_8_c:       152.0   34.7    22.5
put_hevc_epel_uni_w_h32_8_c:       271.0   58.0    40.0
put_hevc_epel_uni_w_h48_8_c:       597.5   136.7   95.0
put_hevc_epel_uni_w_h64_8_c:       1074.0  252.2   168.0

put_hevc_epel_bi_h4_8_c:           4.5     0.7
put_hevc_epel_bi_h6_8_c:           9.0     1.5
put_hevc_epel_bi_h8_8_c:           15.2    1.7
put_hevc_epel_bi_h12_8_c:          33.5    4.2     3.7
put_hevc_epel_bi_h16_8_c:          59.7    5.2     4.7
put_hevc_epel_bi_h24_8_c:          132.2   11.0
put_hevc_epel_bi_h32_8_c:          232.7   20.2    13.2
put_hevc_epel_bi_h48_8_c:          521.7   45.2    31.2
put_hevc_epel_bi_h64_8_c:          949.0   71.5    51.0

After this patch, the peformance of decoding H265 4K 30FPS
30Mbps on 3A6000 with 8 threads improves 1fps(55fps-->56fsp).

Change-Id: I8cc1e41daa63ca478039bc55d1ee8934a7423f51
Reviewed-by: yinshiyou-hf@loongson.cn
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-01-12 23:35:40 +01:00
compat
doc doc/APIchanges: document newly added buffersrc field 2024-01-11 07:05:55 +01:00
ffbuild riscv: test for assembler support 2023-12-08 17:21:09 +02:00
fftools fftools/ffplay_renderer: Add device selection support 2024-01-12 10:49:54 +08:00
libavcodec avcodec/hevc: Add asm opt for the following functions 2024-01-12 23:35:40 +01:00
libavdevice all: Don't set AVClass.item_name to its default value 2023-12-22 15:12:33 +01:00
libavfilter avfilter/vsrc_testsrc: fix colorchart black stripe 2024-01-12 23:35:40 +01:00
libavformat avformat/psxstr: fix demuxing I/O error at EOF 2024-01-11 17:09:45 +01:00
libavutil avutil/hwcontext_vt: add pixel format map for full range YUV420P 2024-01-12 10:49:36 +08:00
libpostproc Bump versions after 6.1 2023-10-29 16:19:14 +01:00
libswresample swr/swresample: avoid reapplication of firstpts 2023-12-18 15:47:04 +05:30
libswscale riscv: test for assembler support 2023-12-08 17:21:09 +02:00
presets
tests checkasm: Generalize crash handling 2024-01-11 14:48:53 +02:00
tools tools/target_dec_fuzzer: Adjust threshold for QPEG 2023-12-29 01:15:41 +01:00
.gitattributes
.gitignore
.mailmap mailmap: remap my email accounts 2023-11-03 20:57:49 +08:00
.travis.yml
Changelog avfilter: Add fsync filter 2024-01-05 09:29:05 +01:00
configure configure: remove Bitrig OS 2024-01-12 10:38:15 +08:00
CONTRIBUTING.md
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS
INSTALL.md
LICENSE.md
MAINTAINERS MAINTAINERS: add my new PGP key 2024-01-10 23:07:28 -05:00
Makefile configure: Add a --disable-version-tracking option 2023-12-21 11:00:34 +02:00
README.md
RELEASE

README.md

FFmpeg README

FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.

Libraries

  • libavcodec provides implementation of a wider range of codecs.
  • libavformat implements streaming protocols, container formats and basic I/O access.
  • libavutil includes hashers, decompressors and miscellaneous utility functions.
  • libavfilter provides means to alter decoded audio and video through a directed graph of connected filters.
  • libavdevice provides an abstraction to access capture and playback devices.
  • libswresample implements audio mixing and resampling routines.
  • libswscale implements color conversion and scaling routines.

Tools

  • ffmpeg is a command line toolbox to manipulate, convert and stream multimedia content.
  • ffplay is a minimalistic multimedia player.
  • ffprobe is a simple analysis tool to inspect multimedia content.
  • Additional small tools such as aviocat, ismindex and qt-faststart.

Documentation

The offline documentation is available in the doc/ directory.

The online documentation is available in the main website and in the wiki.

Examples

Coding examples are available in the doc/examples directory.

License

FFmpeg codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.

Contributing

Patches should be submitted to the ffmpeg-devel mailing list using git format-patch or git send-email. Github pull requests should be avoided because they are not part of our review process and will be ignored.