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x265 Encoder is a free software library and application for encoding video streams into the H.265/MPEG-H HEVC compression format, and is released under the terms of the GNU GPL. Command line software. Full description.

Free software
Win Win

Version:1.5.128 History
Released:

Size:1.8MB

Portable version



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  Latest version:
1.5.128 (February 27, 2015)


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Download x265 Encoder 1.5.128 (1.8MB) (Portable)


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Download x265 Encoder 1.5.128 from another mirror site




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Supported operating systems:
Windows


More information and other downloads:
More x265 Encoder mirror downloads:
http://chromashift.org/x265_builds/
http://builds.x265.eu/
http://x265.ru/en/
https://www.mediafire.com/?6lfp2jlygogwa (Warning! Be careful when you download from mediafire! Lots of adware crap!)


Sections/Browse similar tools:
Video Encoders (H264/H265/MP4/MKV)Video Encoders / Converters

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Version history / Release notes / Changelog:
10 hours ago Steve Borho asm: use grouping macros to simplify avx2 function sets
10 hours ago Steve Borho Backed out changeset: 8ba297f59e48
13 hours ago Steve Borho asm: introduce ALL_LUMA_CU_S for more house-cleaning
13 hours ago Steve Borho asm: fix cut-paste errors
14 hours ago Steve Borho asm: move more avx functions to their section, setup luma cu pointer
14 hours ago Steve Borho asm: move avx function assignments into the correct section
14 hours ago Steve Borho test: tabs to spaces
14 hours ago Steve Borho merge with avx2 optimization branch
18 hours ago Praveen Tiwari asm-avx2: intra_pred_ang8_8
18 hours ago Praveen Tiwari asm-avx2: intra_pred_ang8_28, correct ymm register count
18 hours ago Praveen Tiwari asm-avx2: intra_pred_ang8_28
19 hours ago Praveen Tiwari asm-avx2: intra_pred_ang8_7
20 hours ago Praveen Tiwari asm-avx2: fix intra_pred_ang8_29 mismatch issue
20 hours ago Praveen Tiwari asm-avx2: intra_pred_ang8_29, improved 428.68c -> 311.40c over sse4 asm code
21 hours ago Praveen Tiwari alasm-avx2: align pw_1024 global constant
22 hours ago Praveen Tiwari asm-avx2: intra_pred_ang8_6, improved 528.33c -> 412.07c over sse4 asm code
22 hours ago Praveen Tiwari asm-avx2: intra_pred_ang8_30, improved 237.03c -> 149.91c
24 hours ago Praveen Tiwari asm-avx2: intra_pred_ang8_5
25 hours ago Praveen Tiwari asm-avx2: intra_pred_ang8_31
41 hours ago Rajesh Paulraj asm-ssse3: filter_p2s 8bpp code for [4xN],[8xN],[16xN],[32xN]
44 hours ago Divya Manivannan asm-avx2: filter_vpp[8x16], filter_vps[8x16]: improve 579c->496c, 516c->466c
46 hours ago Divya Manivannan asm-avx2: filter_vpp[16x8], filter_vps[16x8]: improve 567c->530c, 543c->420c
47 hours ago Divya Manivannan asm-avx2: filter_vpp[4x8], filter_vps[4x8]: improve 414c->289c, 353c->250c
27 hours ago Praveen Tiwari Merge with public
45 hours ago Praveen Tiwari asm-avx2: intra_pred_ang8_4
45 hours ago Praveen Tiwari asm-avx2: cleanup redundant instruction
45 hours ago Praveen Tiwari asm-avx2: intra_pred_ang8_32, improved 435.21c -> 323.25c sse4 asm code
47 hours ago Praveen Tiwari asm-avx2: intra_pred_ang8_33, improved 265.79c -> 185.43c over sse4 asm code
2 days ago Praveen Tiwari avx2-asm: intra_pred_ang8_3, improved 340.01c -> 280.04c over sse4 asm code
2 days ago Praveen Tiwari Merge with public
2 days ago Divya Manivannan asm-avx2: filter_vps[4x4]: improve 201c->156c
2 days ago Rajesh Paulraj asm-avx2: getResidual, fix 32-bit build error
3 days ago Divya Manivannan fix: missing constant in filter_vpp[2x4] and filter_vps[2x4]
2 days ago Praveen Tiwari Merge with public
3 days ago Divya Manivannan asm-avx2: filter_vpp[8x4], filter_vps[8x4]: improve 213c->161c, 195c->175c
3 days ago Divya Manivannan asm-avx2: filter_vpp[2x4], filter_vps[2x4]: improve 235c->196c, 214c->174c
4 days ago Praveen Tiwari Merge with public
6 days ago Sumalatha Polureddy asm: avx2 code for pixel_add_ps[64x64] - 152x
6 days ago Divya Manivannan asm: change in loading constant
6 days ago Sumalatha Polureddy asm: avx2 code for pixel_add_ps[32x32] - 80x
7 days ago Sumalatha Polureddy asm: avx2 code for pixel_add_ps[16x16] - 55x
7 days ago Rajesh Paulraj asm-avx2: calcResidual code for 8bbpp and 16bpp
7 days ago Divya Manivannan fix: error in filter_vps[8x8] assembly pointer
7 days ago Praveen Tiwari Merge with public
7 days ago Divya Manivannan asm-avx2: filter_vps[32x32]: improve 4113c->2471c
7 days ago Divya Manivannan asm-avx2: filter_vps[16x16]: improve 978c->790c
7 days ago Divya Manivannan asm-avx2: filter_vps[8x8]: improve 296c->263c
8 days ago Praveen Tiwari Merge with public
8 days ago Divya Manivannan asm-avx2: luma_vsp[12x16, 4x16], luma_vss[12x16, 4x16] for 16bpp
8 days ago Divya Manivannan asm-avx2: luma_vsp[4x8, 16x12], luma_vss[4x8, 16x12] for 16bpp
8 days ago Divya Manivannan asm-avx2: luma_vsp[8x4, 16x4, 32x24], luma_vss[8x4, 16x4, 32x24] for 16bpp
8 days ago Divya Manivannan asm-avx2: luma_vsp[16x8, 32x8], luma_vss[16x8, 32x8] for 16bpp
8 days ago Divya Manivannan asm-avx2: luma_vsp[8x16, 8x32], luma_vss[8x16, 8x32] for 16bpp
8 days ago Divya Manivannan asm-avx2: 16bpp: luma_vsp[64xN, 32x32, 32x64, 48x64, 24x32, 16x32, 16x64]
8 days ago Divya Manivannan asm-avx2: luma_vsp[16x16, 32x16, 64x16], luma_vss[16x16, 32x16, 64x16] for 16bpp
9 days ago Divya Manivannan asm-avx2: luma_vsp[4x4, 8x8], luma_vss[4x4, 8x8] for 16bpp
9 days ago Sumalatha Polureddy asm: avx2 assembly code for 8bpp avg_pixel_pp[16xN]
9 days ago Praveen Tiwari Merge with public
9 days ago Divya Manivannan asm-avx2: luma_vsp[32x24], luma_vss[32x24]: improve 13898c->7904c, 10802c->7850c
9 days ago Divya Manivannan asm-avx2: luma_vsp[16x8, 32x8], luma_vss[16x8, 32x8]: 2507c->1535c, 4655c->2954c,
9 days ago Divya Manivannan asm-avx2: luma_vsp[16x4], luma_vss[16x4]: improve 1368c->955c, 1194c->963c
9 days ago Divya Manivannan asm-avx2: luma_vsp[16x12], luma_vss[16x12]: improve 3579c->1988c, 2968c->1992c
9 days ago Sumalatha Polureddy asm: avx2 assembly code for 8bpp avg_pixel_pp[64xN]
9 days ago Divya Manivannan asm-avx2: luma_vsp[12x16], luma_vss[12x16]: improve 3753c->2097c, 2957c->1950c
9 days ago Divya Manivannan asm-avx2: luma_vsp[64xN, 48x64, 24x32, 32x32, 32x64, 16x32, 16x64]
9 days ago Praveen Tiwari asm-avx2: cpy2Dto1D_shr[8x8, 16x16, 32x32] 16bpp asm code integration
9 days ago Praveen Tiwari asm-cpy2Dto1D_shr: nits
9 days ago Sumalatha Polureddy asm: avx2 assembly code for 8bpp avg_pixel_pp[32xN]
9 days ago Divya Manivannan asm-avx2: luma_vsp[16x16, 32x16, 64x16], luma_vss[16x16, 32x16, 64x16]
10 days ago Divya Manivannan asm-avx2: luma_vsp[8x4], luma_vss[8x4]: improve 837c->500c, 790c->476c
9 days ago Praveen Tiwari asm-avx2: cpy2Dto1D_shr_32
9 days ago Praveen Tiwari asm-avx2: cpy2Dto1D_shr_16
10 days ago Praveen Tiwari asm-avx2: cpy2Dto1D_shr_8
10 days ago Sumalatha Polureddy asm: avx assembly code for 10bpp satd[4x32] - 26x
10 days ago Divya Manivannan asm-avx2: luma_vsp[8x16, 8x32], luma_vss[8x16, 8x32]: 6808c->1310c, 4869c->2505c,
10 days ago Divya Manivannan asm-avx2: luma_vsp[8x8], luma_vss[8x8]: improve 1422c->763c, 1238c->755c
10 days ago Praveen Tiwari Merge with public
10 days ago Divya Manivannan asm-avx2: luma_vsp[4x16], luma_vss[4x16]: improve 1499c->890c, 1282c->725c
10 days ago Sumalatha Polureddy asm: avx assembly code for 10bpp satd[12x32] - 24x
10 days ago Sumalatha Polureddy asm: avx assembly code for 10bpp satd[16x24]-21x,satd[32x48]-24x,satd[24x64]-22x,satd[8x64]-22x,satd[8x12]-24x
10 days ago Divya Manivannan asm-avx2: luma_vsp[4x8], luma_vss[4x8]: improve 835c->457c, 776c->393c
11 days ago Divya Manivannan asm-avx2: luma_vsp[4x4], luma_vss[4x4]: improve 548c->275c, 510c->240c
11 days ago Praveen Tiwari Merge with public
13 days ago Divya Manivannan asm-avx2: luma_vpp[12x16], luma_vps[12x16]: improve 3466c->2182c, 3275c->2057c
13 days ago Divya Manivannan asm-avx2: luma_vpp[4x16], luma_vps[4x16]: improve 1510c->756c, 1295c->728c
13 days ago Sumalatha Polureddy asm-avx2: pixel_average_pp[32x32] for 8bpp
13 days ago Divya Manivannan asm-avx2: luma_vpp[4x8], luma_vps[4x8]: improve 875c->439c, 794c->413c
13 days ago Divya Manivannan asm-avx2: luma_vpp[16x12], luma_vps[16x12]: improve 3446c->2193c, 3235c->2130c
13 days ago Divya Manivannan asm-avx2: luma_vpp[8x4], luma_vps[8x4]: improve 815c->520c, 776c->504c
13 days ago Divya Manivannan asm-avx2: luma_vpp[16x4], luma_vps[16x4]: improve 1350c->1070c, 1240c->974c
13 days ago Sumalatha Polureddy asm: avx assembly code for satd[4x32] -- 23.4x
13 days ago Sumalatha Polureddy asm: avx assembly code for satd[12x32] -- 25x
13 days ago Praveen Tiwari asm-avx2: cpy2Dto1D_shl[8x8, 16x16, 32x32] 16bpp
13 days ago Praveen Tiwari asm-avx2: cpy2Dto1D_shl_32
13 days ago Praveen Tiwari asm-avx2: cpy2Dto1D_shl_16
13 days ago Praveen Tiwari avx2-asm: cpy2Dto1D_shl_8
2 weeks ago Divya Manivannan asm-avx2: luma_vpp[32x24], luma_vps[32x24]: improve 12928c->8439c, 11985c->8082c
2 weeks ago Divya Manivannan asm-avx2: luma_vpp[32x8, 16x8]: improve 4507c->3043c, 2464c->1558c
2 weeks ago Praveen Tiwari asm-avx2: copy_cnt[8x8, 16x16, 32x32] 16bpp
2 weeks ago Praveen Tiwari asm-SSE4: copy_cnt [4x4, 8x8, 16x16, 32x32] 16bpp
2 weeks ago Praveen Tiwari Merge with public
2 weeks ago praveen Tiwari asm-avx2: blockcopy_sp, 16xN, 32xN, 64x64 16bpp
2 weeks ago Divya Manivannan asm-avx2: luma_vpp[8x16, 8x32]: improve 2455c->1421c, 4644c->2829c
2 weeks ago praveen Tiwari asm-avx2: blockcopy_ps, 16xN, 32xN, 64x64 16bpp
2 weeks ago Divya Manivannan asm-avx2: luma_vpp[32x16, 64x16]: improve 8693c->5612c, 17070c->10779c
2 weeks ago praveen Tiwari asm-avx2: blockcopy_ss, 16xN, 32xN, 64x64 16bpp
2 weeks ago Divya Manivannan asm-avx2: luma_vpp and luma_vps for 16x32, 16x64, 24x32, 32x32, 32x64, 48x64,
2 weeks ago Aasaipriya Chandran Luma_hps[16x4 ,8x8, 16x12, 16x16, 16x32, 16x64]avx2 asm: improved 2213c->1330c, 3067c->1792c, 3661c->2201, 4644c->2730c, 7473c->4739c, 13699c->8302c
2 weeks ago Aasaipriya Chandran Luma_hps[8x4 ,8x8, 8x16, 8x32]avx2 asm: improved 1120c->769c, 1585c->1042c, 2387c->1609c, 3971c->2607
2 weeks ago praveen Tiwari asm-avx2: blockcopy_pp_24xN 16bpp
2 weeks ago Aasaipriya Chandran Luma_hps[4x4 ,4x8, 4x16]avx2 asm: improved 783c->448c, 1049c->592c, 1563->c 874c
2 weeks ago praveen Tiwari asm-avx2: blockcopy_pp_48x64 16bpp
2 weeks ago praveen Tiwari asm-avx2: blockcopy_pp_32xN 16bpp
2 weeks ago praveen Tiwari asm-avx2: blockckfill_s
2 weeks ago Rajesh Paulraj asm: count_nonzero[4x4](4.05x), count_nonzero[8x8](10.54x),
2 weeks ago Divya Manivannan asm-avx2: luma_vpp[16x16], luma_vps[16x16]: improve 4546c->2754c, 4197c->2583c
2 weeks ago Praveen Tiwari asm-av2: blockcopy_ps_64x64
2 weeks ago Praveen Tiwari Merge with public
2 weeks ago Praveen Tiwari asm-avx2:blockcopy_ps[32xN]
2 weeks ago Praveen Tiwari asm-avx2: blockcopy_ps[16xN]
2 weeks ago Divya Manivannan asm-avx2: luma_vpp[8x8], luma_vps[8x8]: improve 1402c->837c, 1260c->795c
...

View full changelog



All features / Full description:
Encoder features
Full prediction and transform quad-tree recursion supported
Adaptive B-frame placement
B-frames as references / arbitrary frame order
CABAC entropy coding
Intra: all block types (32x32, 16x16, 8x8, 4x4, and PCM with all predictions)
Inter P: all partitions (from 64x64 down to 8x4)
Inter B: partitions from 64x64 down to 8x4 (including all merge modes
and biprediction)
Weighted prediction for P slices
Multiple reference frames
Ratecontrol: constant quantizer, constant quality, single pass ABR, optional VBV
Scenecut detection
Parallel encoding on multiple CPUs, both frame-level and wavefront parallelism


Alternative to x265 Encoder:
DivX HEVC Encoder



Guides and How to's:
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