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  1. Member
    Join Date: Jan 2012
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    Hello!

    What is libx265 HEVC encoder codecs? Did you try it? Which software can use it?

    I read about its existence in the "Version history/Release notes:" section of ffmpeg 2.2 page: http://www.videohelp.com/tools/ffmpeg

    Do you know its quality?

    Thank you for your reply!
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  2. Member
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    Did you try to read any other post in this forum which mentions x265?

    The HEVC encoder x265 is available as stand-alone command-line encoder, as well as a library to be used by applications ("statically" embedded in the other executable, or "dynamically" used on demand from a separate DLL).

    HEVC = "High Efficiency Video Coding" (ITU video standard H.265) is the successor of AVC = "Advanced Video Coding" (ITU video standard H.264), so you will probably expect a similar quality at less bitrate, but with a much higher computing expense.
    Last edited by LigH.de; 26th Mar 2014 at 07:26.
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  3. Member racer-x's Avatar
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    I tried the latest version of ffmpeg to encode h.265 via libx265, but kept getting errors. Something about aspect ratio needs to be greater than 0.

    As already stated, there are other free options such as x265 and divix265 that are being developed and work just fine.
    The memories of a man in his old age, are the deeds of the man in his prime.......
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  4. Member
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    As often as the x265 interface has changed in the recent past, it may still change in the future, so it is well possible that the ffmpeg developers are not always up-to-date regarding a correct use of the just current libx265. To avoid such a kind of errors, it may be required to add a few CLI options to ffmpeg, possibly even encoder specific options (maybe x265opts, similar to x264opts?).
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  5. Member Marchand's Avatar
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    Works well, even with extensions MP4, MOV.

    General
    Complete name : C:\Users\Marchand\Videos\Videos\00200j.mp4
    Format : MPEG-4
    Format profile : Base Media
    Codec ID : isom
    File size : 1.03 MiB
    Duration : 7s 503ms
    Overall bit rate : 1 151 Kbps
    Writing application : Lavf55.34.101

    Video
    ID : 1
    Format : HEVC
    Format/Info : High Efficiency Video Coding
    Codec ID : hev1
    Codec ID/Info : High Efficiency Video Coding
    Duration : 7s 466ms
    Bit rate : 1 020 Kbps
    Width : 1 920 pixels
    Height : 1 080 pixels
    Display aspect ratio : 16:9
    Frame rate mode : Constant
    Frame rate : 23.976 fps
    Scan type : Progressive
    Bits/(Pixel*Frame) : 0.021
    Stream size : 930 KiB (88%)

    Audio
    ID : 2
    Format : AAC
    Format/Info : Advanced Audio Codec
    Format profile : LC
    Codec ID : 40
    Duration : 7s 503ms
    Duration_LastFrame : -20ms
    Bit rate mode : Constant
    Bit rate : 128 Kbps
    Channel(s) : 2 channels
    Channel positions : Front: L R
    Sampling rate : 44.1 KHz
    Compression mode : Lossy
    Delay relative to video : 83ms
    Stream size : 118 KiB (11%)
    ffmpeg version N-61444-gf3d3e3f

    built on Mar 13 2014 22:21:46 with gcc 4.8.2 (GCC)

    configuration: --disable-static --enable-shared --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetype --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-zlib

    libavutil 52. 66.101 / 52. 66.101
    libavcodec 55. 52.102 / 55. 52.102
    libavformat 55. 34.101 / 55. 34.101
    libavdevice 55. 11.100 / 55. 11.100
    libavfilter 4. 3.100 / 4. 3.100
    libswscale 2. 5.101 / 2. 5.101
    libswresample 0. 18.100 / 0. 18.100
    libpostproc 52. 3.100 / 52. 3.100
    Attached Files
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  6. Member
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    Well, okay, but ... I wouldn't trust an MP4 container generated by ffmpeg, better remux it once with MP4Box (GPAC Nightly).
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  7. Member racer-x's Avatar
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    Originally Posted by Marchand View Post
    Works well, even with extensions MP4, MOV.
    Could you post the ffmpeg command string, please?
    The memories of a man in his old age, are the deeds of the man in his prime.......
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  8. Member x265's Avatar
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    Originally Posted by racer-x View Post
    I tried the latest version of ffmpeg to encode h.265 via libx265, but kept getting errors. Something about aspect ratio needs to be greater than 0.

    As already stated, there are other free options such as x265 and divix265 that are being developed and work just fine.
    x265 is used as one of the many codec libraries in FFMPEG. In FFMPEG it is labeled libx265. The FFMPEG developer team pulls new source code occasionally for new builds of FFMPEG, but new builds of FFMPEG are not created every time there are changes to x265. So libx265 in FFMPEG may represent an older version of x265, depending on how recent the build of FFMPEG was created.
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  9. Member x265's Avatar
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    Originally Posted by LigH.de View Post
    As often as the x265 interface has changed in the recent past, it may still change in the future, so it is well possible that the ffmpeg developers are not always up-to-date regarding a correct use of the just current libx265. To avoid such a kind of errors, it may be required to add a few CLI options to ffmpeg, possibly even encoder specific options (maybe x265opts, similar to x264opts?).
    The x265 development team communicates with and supports the FFMPEG development team, to coordinate compatibility issues. We have a system that signals FFMPEG when there are changes to the x265 API that would require changes in FFMPEG. We have been doing as much as we can to make x265 behave like x264 with respect to FFMPEG, to minimize their burden to support x265 flawlessly.
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  10. maybe an alternative for window xp users who can't use x265.exe builds. hopefully someone will post a sample script usage for ffmpeg.

    VHELP's - Sample Clips [last: 12.29.06],
    my YouTube videos
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  11. just downloaded --> ffmpeg-20140327-git-62094e2-win32-static build.

    unfortunately, it doesn't seem to work under windows xp. i received the following error:

    'The precedure entry point InitializedConditionVariable could not be located in the dynamic link library KERNEL32.dll'

    VHELP's - Sample Clips [last: 12.29.06],
    my YouTube videos
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  12. even though these are 32bit versions, it seems that every build that supports x265xxx no longer works at all. just typing in the ffmpeg.exe on the command line with no parameters give this same error. i guess windows xp is finally screwed even with ffmpeg now. sheesh. thanks.

    VHELP's - Sample Clips [last: 12.29.06],
    my YouTube videos
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  13. vanished El Heggunte's Avatar
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    Originally Posted by vhelp View Post
    even though these are 32bit versions, it seems that every build that supports x265xxx no longer works at all. just typing in the ffmpeg.exe on the command line with no parameters give this same error.
    I confirm that STUPID design flaw , I have just tried the build from the archive ffmpeg-20140326-git-c05065a-win32-static.7z.

    Originally Posted by x265 View Post
    We have been doing as much as we can to make x265 behave like x264 with respect to FFMPEG, to minimize their burden to support x265 flawlessly.
    Dropping MSVC and CMake would be a good starting point, granted.
    Last edited by El Heggunte; 26th Mar 2014 at 22:55.
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  14. after many downloads and tries, http://ffmpeg.zeranoe.com/builds/win32/shared/ffmpeg-20140317-git-8e92ff2-win32-shared.7z doesn't crash and seems to work but i get an error message. and i'm too tired now to continue investigating what i am doing wrong or am missing in the param string setup.

    when i feed this inside a dos console window...

    Code:
    ffmpeg -i c:\video.avs -s 720x480 -r 23.976 -frames 100 -an -vcodec libx265 -x265-params crf=25:fps=23.976:=720x480 -y g:\video.ffmpeg.mp4
    ...i get the following output report:

    Code:
    ffmpeg version N-61504-g8e92ff2 Copyright (c) 2000-2014 the FFmpeg developers
      built on Mar 16 2014 22:04:08 with gcc 4.8.2 (GCC)
      configuration: --disable-static --enable-shared --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetype --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-zlib
      libavutil      52. 66.101 / 52. 66.101
      libavcodec     55. 52.102 / 55. 52.102
      libavformat    55. 34.101 / 55. 34.101
      libavdevice    55. 11.100 / 55. 11.100
      libavfilter     4.  3.100 /  4.  3.100
      libswscale      2.  5.101 /  2.  5.101
      libswresample   0. 18.100 /  0. 18.100
      libpostproc    52.  3.100 / 52.  3.100
    Input #0, avisynth, from 'c:\video.avs':
      Duration: 00:00:46.46, start: 0.000000, bitrate: 4 kb/s
        Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 720x480, 23.98 fps, 23.98 tbr, 23.98 tbn, 23.98 tbc
    x265 [info]: using cpu capabilities: MMX2 SSE2Slow SlowCTZ
    x265 [error]: Sample Aspect Ratio width must be greater than 0
    [libx265 @ 00b32180] Cannot open libx265 encoder.
    Output #0, mp4, to 'g:\video.ffmpeg.mp4':
        Stream #0:0: Video: hevc, yuv420p, 720x480, q=2-31, 200 kb/s, 90k tbn, 24 tbc
    Stream mapping:
      Stream #0:0 -> #0:0 (rawvideo -> libx265)
    Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height

    VHELP's - Sample Clips [last: 12.29.06],
    my YouTube videos
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  15. Member
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    This part looks suspicious, is there a parameter name missing at {?}, or possibly even superfluous because ffmpeg will pass the dimensions anyway?

    Code:
    -x265-params crf=25:fps=23.976:{?}=720x480
    I believe you should restrict x265 specific parameters to only the few which cannot be passed from ffmpeg's source analysis or general ffmpeg parameters. Image dimensions and frame rate should be known after the source analysis. CRF is one ffmpeg may not be able to pass, if it doesn't refer to the generic encoding quality parameter.
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  16. Member racer-x's Avatar
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    It would be helpful if someone would post an actual working script.........
    The memories of a man in his old age, are the deeds of the man in his prime.......
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  17. Member
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    Not that hard if you read and understand the previous error messages:

    Code:
    ffmpeg -i test.avs -an -vcodec libx265 -x265-params crf=25:sar=1 -y test.mp4
    The key was indeed that x265 needs an aspect ratio which ffmpeg defaults to 0 (=undefined?); for the sar parameter I chose value 1=square (square pixel 1:1) here, vhelp will prefer value 3=10:11 (NTSC 4:3) or 5=40:33 (NTSC 16:9) here.

    I had to use the integer value because codec specific options are separated by colons, so I could not use parameter values including a colon.
    __

    P.S. – also possible (ffmpeg passes appropriate values to libx265):

    Code:
    ffmpeg -i test.avs -an -vcodec libx265 -aspect 16:9 -x265-params crf=25 -y test.mp4
    Published x265 options are -preset, -tune, -x265-params (so probably in contrast to libx264, where -crf is published, it has to be provided in -x265-params for libx265).
    Last edited by LigH.de; 27th Mar 2014 at 04:32.
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  18. Member racer-x's Avatar
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    Thanks for the detailed explanation, I'll try it out when I get home.
    The memories of a man in his old age, are the deeds of the man in his prime.......
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  19. thank you LigH.de, for the tips, the following works perfectly for me, using the last ffmpeg build for 2014-03-16, all the latest ones are no longer supporting windows xp, period, due to following x265 compilation requirement standards. well, that's how i see it..ffmpeg has been taken over. oh well. anyway. here is the parameter i used. definately use the -preset, because without it, the quality-no matter what the setting-results in poor quality.

    Code:
    ffmpeg -i video.avs -an -c:v libx265 -aspect 4:3 -preset ultrafast -x265-params crf=17 -y c:\video.mp4
    if you just want to encode a few frames, the quick and dirty way is to add -frames 30 (or some other number) in that script.
    change aspect ratio to your needs, etc. etc. another send off to ffmpeg. good-bye. fair well. i guess mencoder and others will follow suit, soon. then the only way to use those tools is to have windows 7 on your machine. ahh, what crazy nonsense.

    VHELP's - Sample Clips [last: 12.29.06],
    my YouTube videos
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  20. Member
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    Stop whining already. The problem is understood. The solution is available. All we need is a C/C++ developer with enough time and experience to implement it.

    Like a car accident on an autobahn: Gazers don't rescue lives, but block the ambulance instead.
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  21. Member racer-x's Avatar
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    Thanks LigH.de for the tips. I was able to get it working on the latest ffmpeg (March 24, 2014), all I needed were the correct commands. This is what I used to make the mp4 with hevc + aac audio:

    Code:
    for %%a in ("*.avs") do "C:\ffmpeg\ffmpeg" -i %%a -c:v libx265 -aspect 16:9 -preset medium -x265-params crf=23 -c:a aac -strict experimental -ar 48000 -ab 256k -f mp4 %%~na.mp4
    pause
    Works pretty well, have some cookies.......
    Attached Files
    Last edited by racer-x; 27th Mar 2014 at 17:08. Reason: added video clip
    The memories of a man in his old age, are the deeds of the man in his prime.......
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  22. Member Marchand's Avatar
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    Let the tests
    Works well, even with extension . MKV

    ffmpeg version N-61801-gc25d2cd Copyright (c) 2000-2014 the FFmpeg developers
    built on Mar 24 2014 22:01:06 with gcc 4.8.2 (GCC)
    configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetype --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-zlib
    libavutil 52. 69.100 / 52. 69.100
    libavcodec 55. 54.100 / 55. 54.100
    libavformat 55. 35.100 / 55. 35.100
    libavdevice 55. 11.100 / 55. 11.100
    libavfilter 4. 3.100 / 4. 3.100
    libswscale 2. 5.102 / 2. 5.102
    libswresample 0. 18.100 / 0. 18.100
    libpostproc 52. 3.100 / 52. 3.100
    Input #0, mpegts, from 'C:\Users\Marchand\Videos\Videos\00200.m2ts':
    Duration: 00:00:07.46, start: 11.650667, bitrate: 41412 kb/s
    Program 1
    Stream #0:0[0x1011]: Video: h264 (High) (HDMV / 0x564D4448), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 90k tbn, 47.95 tbc
    Stream #0:1[0x1100]: Audio: dts (DTS-HD MA) ([134][0][0][0] / 0x0086), 48000 Hz, 5.1(side), fltp, 1536 kb/s
    x265 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.1 Cache64
    x265 [info]: Main profile, Level-3.1 (Main tier)
    x265 [info]: WPP streams / pool / frames : 12 / 4 / 1
    x265 [info]: CU size : 64
    x265 [info]: Max RQT depth inter / intra : 1 / 1
    x265 [info]: ME / range / subpel / merge : hex / 57 / 2 / 2
    x265 [info]: Keyframe min / max / scenecut : 23 / 250 / 40
    x265 [info]: Lookahead / bframes / badapt : 20 / 4 / 2
    x265 [info]: b-pyramid / weightp / refs : 1 / 1 / 3
    x265 [info]: Rate Control / AQ-Strength / CUTree : ABR-1500 kbps / 1.0 / 1
    x265 [info]: tools: rect amp rd=3 lft sao-lcu sign-hide
    Output #0, matroska, to 'C:\Users\Marchand\Videos\Videos\00200MMMM.mkv':
    Metadata:
    encoder : Lavf55.35.100
    Stream #0:0: Video: hevc (libx265), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], q=2-31, 1500 kb/s, 1k tbn, 23.98 tbc
    Stream #0:1: Audio: ac3 (ac3_fixed) ([0] [0][0] / 0x2000), 44100 Hz, stereo, s16p, 128 kb/s
    Stream mapping:
    Stream #0:0 -> #0:0 (h264 -> libx265)
    Stream #0:1 -> #0:1 (dca -> ac3_fixed)
    Press [q] to stop, [?] for help

    video:1166kB audio:117kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.273310%
    x265 [info]: frame I: 2 Avg QP:15.10 kb/s: 533.71
    x265 [info]: frame P: 49 Avg QP:19.94 kb/s: 3214.83
    x265 [info]: frame B: 128 Avg QP:22.56 kb/s: 548.69
    x265 [info]: global : 179 Avg QP:21.76 kb/s: 1278.36
    x265 [info]: Weighted P-Frames: Y:18.4% UV:16.3%
    x265 [info]: consecutive B-frames: 9.8% 9.8% 5.9% 68.6% 5.9%
    Attached Files
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  23. - success - an ffmpeg re-compilation w/out libx265 support test file.

    web topic: http://ffmpeg.zeranoe.com/forum/viewtopic.php?f=7&t=1889
    the test file: http://test.freeldssheetmusic.org/music/download_file?download_id=6622&name=ffmpeg.lat....no_x265.2.exe

    so someone (user rogerdpack on another forum board) made a test compilation of ffmpeg without the libx265 support. i ran a quick test to see if it will load w/out that error message in post # 19 and other posts i've made here in this forum, and am happy to report (unofficially) that it is working successfully on my desktop windows xp 32bit with no problems. (note, no x265 support) but does everything else it was designed (or enabled) to do, though i haven't tested it thoroughly. just a few quicky things i usually use ffmpeg for.

    thank you rogerdpack!!

    VHELP's - Sample Clips [last: 12.29.06],
    my YouTube videos
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  24. vanished El Heggunte's Avatar
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    FWIW --- ffmpeg-20140328-git-64b7914-win32-static.7z still is infected by the x265 virus ¬¬

    Anyway, now nobody can say that I haven't done my part

    http://ffmpeg.zeranoe.com/forum/viewtopic.php?f=7&t=1889&start=10#p6482
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  25. Member racer-x's Avatar
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    I rather like the libx265 built into ffmpeg. it's convenient and can export already muxed to mp4, mov and mkv. I have lot's of batch files for ffmpeg, why not include some to export hevc?

    Is it needed? No, x265.exe works just fine in at least two different programs I use including a video editor.
    The memories of a man in his old age, are the deeds of the man in his prime.......
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  26. Member racer-x's Avatar
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    Absent the negative comments by XP users, this is a legit contender for the rest of us using wn7. I averaged 8.4 fps encoding a downscaled 4k file @ ultrafast-crf=25 1080p mp4 on my 6 year-old Q9300.

    Sure, DiviX265 is faster @ -aqo=1, but the quality is unuseable in my opinion. I really wouldn't go lower than -aqo=3, but then there is no speed advantage.

    Anyway here is the encoded downscaled Ultrafast-crf=25 1080p clip using ffmpeg libx265 encoder:
    Attached Files
    The memories of a man in his old age, are the deeds of the man in his prime.......
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  27. Member
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    I always again wonder where you take the second "i" in "DivX" from.
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  28. Member racer-x's Avatar
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    Originally Posted by LigH.de View Post
    I always again wonder where you take the second "i" in "DivX" from.
    Sorry, my bad. Nobody ever accused me of being a genius anyway.................
    The memories of a man in his old age, are the deeds of the man in his prime.......
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  29. Member
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    P.S.:

    Originally Posted by Steve Borho
    [PATCH] restore WINXP_SUPPORT build option, workaround for CONDITION_VARIABLE on XP
    From the x265 development mailing list.

    Just so.

    Not at all related to all the crying and shouting of the last weeks.



    And now I would like to expect any kind of excuses when the patch gets commited...
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  30. Member Marchand's Avatar
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    Code:
    "C:/Users/Marchand/Downloads/ffmpeg.exe" -i "C:/Users/Marchand/Videos/Videos/00200.m2ts" -threads:v 4 -sws_flags bicubic -vf "scale=0:0,unsharp=3:3:0.05" -codec:v libx265 -b:v 1500k -af "aresample=44100" -codec:a libvo_aacenc -b:a 128k -ac 2 -y "C:/Users/Marchand/Videos/Videos/00200sss8.mp4"
    I'm still learning to work with FFMPEG, forgive me for any errors.

    ffmpeg version N-61444-gf3d3e3f Copyright (c) 2000-2014 the FFmpeg developers
    built on Mar 13 2014 22:21:46 with gcc 4.8.2 (GCC)
    configuration: --disable-static --enable-shared --enable-gpl --enable-version3
    --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --ena
    ble-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --e
    nable-libcaca --enable-libfreetype --enable-libgsm --enable-libilbc --enable-lib
    modplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrw
    b --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinge
    r --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --en
    able-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis
    --enable-libvpx --enable-libwavpack --enable-libx264 --enable-libx265 --enable-
    libxavs --enable-libxvid --enable-zlib
    libavutil 52. 66.101 / 52. 66.101
    libavcodec 55. 52.102 / 55. 52.102
    libavformat 55. 34.101 / 55. 34.101
    libavdevice 55. 11.100 / 55. 11.100
    libavfilter 4. 3.100 / 4. 3.100
    libswscale 2. 5.101 / 2. 5.101
    libswresample 0. 18.100 / 0. 18.100
    libpostproc 52. 3.100 / 52. 3.100
    Input #0, mpegts, from 'C:/Users/Marchand/Videos/Videos/00200.m2ts':
    Duration: 00:00:07.46, start: 11.650667, bitrate: 41412 kb/s
    Program 1
    Stream #0:0[0x1011]: Video: h264 (High) (HDMV / 0x564D4448), yuv420p, 1920x1
    080 [SAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 90k tbn, 47.95 tbc
    Stream #0:1[0x1100]: Audio: dts (DTS-HD MA) ([134][0][0][0] / 0x0086), 48000
    Hz, 5.1(side), fltp, 1536 kb/s
    x265 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.1 Cache64
    x265 [info]: Main profile, Level-4 (Main tier)
    x265 [info]: WPP streams / pool / frames : 17 / 4 / 4
    x265 [info]: CU size : 64
    x265 [info]: Max RQT depth inter / intra : 1 / 1
    x265 [info]: ME / range / subpel / merge : hex / 57 / 2 / 2
    x265 [info]: Keyframe min / max / scenecut : 23 / 250 / 40
    x265 [info]: Lookahead / bframes / badapt : 20 / 4 / 2
    x265 [info]: b-pyramid / weightp / refs : 1 / 1 / 3
    x265 [info]: Rate Control / AQ-Strength / CUTree : ABR-1500 kbps / 1.0 / 1
    x265 [info]: tools: rect amp rd=3 lft sao-lcu sign-hide
    Output #0, mp4, to 'C:/Users/Marchand/Videos/Videos/00200sss8.mp4':
    Metadata:
    encoder : Lavf55.34.101
    Stream #0:0: Video: hevc (libx265) ([35][0][0][0] / 0x0023), yuv420p, 1920x1
    080 [SAR 1:1 DAR 16:9], q=2-31, 1500 kb/s, 24k tbn, 23.98 tbc
    Stream #0:1: Audio: aac (libvo_aacenc) ([64][0][0][0] / 0x0040), 44100 Hz, s
    tereo, s16, 128 kb/s
    Stream mapping:
    Stream #0:0 -> #0:0 (h264 -> libx265)
    Stream #0:1 -> #0:1 (dca -> libvo_aacenc)
    Press [q] to stop, [?] for help

    video:1166kB audio:118kB subtitle:0 data:0 global headers:0kB muxing overhead 0.
    533790%
    x265 [info]: frame I: 2 Avg QP:18.35 kb/s: 728.78
    x265 [info]: frame P: 59 Avg QP:24.19 kb/s: 2735.29
    x265 [info]: frame B: 118 Avg QP:26.24 kb/s: 559.84
    x265 [info]: global : 179 Avg QP:25.48 kb/s: 1278.78
    x265 [info]: 13 of 59 (22.03%) P frames weighted
    x265 [info]: consecutive B-frames: 8.2% 6.6% 70.5% 13.1% 1.6%

    C:\Users\Marchand\Videos\Videos>
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