[x265] x265 on Linux , yuv input , "Floating point exception"
Eric Zheng
erichughzheng at gmail.com
Thu Jul 25 05:11:47 CEST 2013
Hi,
With YUV input, you need to specify the frame rate and resolution on the
command line.
Best,
Eric
On Jul 24, 2013 10:04 PM, "王康" <scateu at gmail.com> wrote:
> Update:
>
> on x64 Linux Debian system, y4m input seems working:
>
> $ x265 charlie.y4m -o charlie.hevc
> y4m [info]: 1280x720 23Hz, frames 0 - 95 of 96
> x265 [info]: detected SIMD architectures SSE2 SSE3 SSSE3 SSE4.1 SSE4.2
> x265 [info]: performance primitives: intrinsic assembly
> x265 [info]: Main profile, Level-3.1 (Main tier)
> x265 [info]: Parallelism disabled, single thread mode
> x265 [info]: CU size : 64
> x265 [info]: Max RQT depth inter / intra : 3 / 3
> x265 [info]: ME method / range / maxmerge : star / 64 / 5
> x265 [info]: Keyframe Interval : 24
> x265 [info]: QP : 32
> x265 [info]: enabled coding tools: rect rdo rdoq sign-hide tskip
> tskip-fast rdoqts
> [46.9%] 45/96 frames, 0.62 fps, 131.56 kb/s, eta 0:01:22
>
>
> but yuv input still doesn't work.
>
> $ x265 charlie.yuv -o charlie.hevc
> Floating point exception
>
>
>
> On Thu, Jul 25, 2013 at 10:44 AM, 王康 <scateu at gmail.com> wrote:
>
>> Hi ,
>>
>> I just checkout the latest code version from bitbucket, and compile
>> yasm-1.2.0, and make. It seems all right so far on both x86 and x64 Debian
>> Linux.
>>
>> $ uname -a
>> Linux 3.2.0-4-686-pae #1 SMP Debian 3.2.35-2 i686 GNU/Linux
>>
>> $ uname -a
>> Linux 3.2.0-2-amd64 #1 SMP Mon Jun 11 17:24:18 UTC 2012 x86_64 GNU/Linux
>>
>> $ gcc -v
>> gcc version 4.7.2 (Debian 4.7.2-4)
>>
>> $ yasm --version
>> yasm 1.2.0
>> Compiled on Jul 24 2013.
>> Copyright (c) 2001-2011 Peter Johnson and other Yasm developers.
>> Run yasm --license for licensing overview and summary.
>>
>>
>> $ x265 -V
>> x265 [info]: HEVC encoder version 0.3+24-fd4954d7c2ac
>> x265 [info]: build info [Linux][GCC 4.7.2][32 bit] 8bpp
>> x265 [info]: detected SIMD architectures SSE2 SSE3 SSSE3
>> x265 [info]: performance primitives: intrinsic assembly
>>
>> Then I generate yuv and y4m file using ffmpeg:
>>
>> $ ffmpeg -i charlie.mp4 charlie.yuv
>> $ ffmpeg -i charlie.mp4 charlie.y4m
>>
>> And x265 on yuv file :
>> $ x265 charlie.yuv -o charlie.hevc
>> Floating point exception
>>
>> x265 on y4m file, the size of output file is zero.
>>
>> $ x265 charlie.y4m -o charlie.hevc
>> y4m [info]: 1280x720 23Hz, frames 0 - 2397 of 2398
>> x265 [info]: detected SIMD architectures SSE2 SSE3 SSSE3
>> x265 [info]: performance primitives: intrinsic assembly
>> x265 [info]: Main profile, Level-3.1 (Main tier)
>> x265 [info]: Parallelism disabled, single thread mode
>> x265 [info]: CU size : 64
>> x265 [info]: Max RQT depth inter / intra : 3 / 3
>> x265 [info]: ME method / range / maxmerge : star / 64 / 5
>> x265 [info]: Keyframe Interval : 24
>> x265 [info]: QP : 32
>> x265 [info]: enabled coding tools: rect rdo rdoq sign-hide tskip
>> tskip-fast rdoqts
>> Illegal instruction 0.00 kb/s
>>
>> $ du charlie.hevc
>> 0 charlie.hevc # <----- zero output >_<
>>
>>
>>
>>
>>
>> #### File info
>>
>> $ mediainfo charlie.mp4
>> General
>> Complete name : charlie.mp4
>> Format : MPEG-4
>> Format profile : Base Media / Version 2
>> Codec ID : mp42
>> File size : 55.1 MiB
>> Duration : 3mn 26s
>> Overall bit rate mode : Variable
>> Overall bit rate : 2 235 Kbps
>> Encoded date : UTC 2011-08-31 05:00:41
>> Tagged date : UTC 2011-08-31 05:00:41
>> gsst : 0
>> gstd : 206665
>> gssd : BADC23864HH1333462917615611
>> gshh :
>> o-o.preferred.sea09s07.v19.lscache7.c.youtube.com
>>
>> Video
>> ID : 1
>> Format : AVC
>> Format/Info : Advanced Video Codec
>> Format profile : High at L3.1
>> Format settings, CABAC : Yes
>> Format settings, ReFrames : 1 frame
>> Codec ID : avc1
>> Codec ID/Info : Advanced Video Coding
>> Duration : 3mn 26s
>> Bit rate : 2 078 Kbps
>> Maximum bit rate : 3 308 Kbps
>> Width : 1 280 pixels
>> Height : 720 pixels
>> Display aspect ratio : 16:9
>> Frame rate mode : Variable
>> Frame rate : 23.976 fps
>> Minimum frame rate : 23.810 fps
>> Maximum frame rate : 24.390 fps
>> Color space : YUV
>> Chroma subsampling : 4:2:0
>> Bit depth : 8 bits
>> Scan type : Progressive
>> Bits/(Pixel*Frame) : 0.094
>> Stream size : 51.2 MiB (93%)
>> Tagged date : UTC 2011-08-31 05:00:42
>>
>> Audio
>> ID : 2
>> Format : AAC
>> Format/Info : Advanced Audio Codec
>> Format profile : LC
>> Codec ID : 40
>> Duration : 3mn 26s
>> Bit rate mode : Variable
>> Bit rate : 152 Kbps
>> Maximum bit rate : 184 Kbps
>> Channel(s) : 2 channels
>> Channel positions : Front: L R
>> Sampling rate : 44.1 KHz
>> Compression mode : Lossy
>> Stream size : 3.74 MiB (7%)
>> Title : IsoMedia File Produced by
>> Google, 5-11-2011
>> Encoded date : UTC 2011-08-31 05:00:42
>> Tagged date : UTC 2011-08-31 05:00:42
>>
>>
>> $ mediainfo charlie.y4m
>> General
>> Complete name : charlie.y4m
>> Format : YUV4MPEG2
>> File size : 3.09 GiB
>>
>> Video
>> Format : YUV
>> Width : 1 280 pixels
>> Height : 720 pixels
>> Display aspect ratio : 16:9
>> Frame rate : 23.976 fps
>> Color space : YUV
>> Scan type : Progressive
>> Compression mode : Lossless
>>
>>
>> $ ffmpeg
>> ffmpeg version 0.8.6-6:0.8.6-1, Copyright (c) 2000-2013 the Libav
>> developers
>> built on Mar 24 2013 07:20:17 with gcc 4.7.2
>>
>> Could you help me about this issue?
>> Thanks.
>>
>>
>>
>
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