[x265] Segfault when trying to encode yuv444p raw input file

[Deepthi Nandakumar]

Hi,

We dont have yuv444 support yet. A series of patches for the same are
pending, and will probably be integrated in a week or two.


On Mon, Jan 27, 2014 at 5:19 PM, Manjunath Sripadarao
<manjunaths at gmail.com>wrote:

> Hello,
>  I was trying to encode a file in the yuv444p format. x265 crashes when I
> give this file as input, it works correctly if I convert the raw file to
> yuv420p format through ffmpeg.
>
> This is the command-line I am using
>
> ./x265 piece.y4m -o piece.h265
> y4m  [info]: 960x540 50Hz C444, frames 0 - 2952 of 2953
> x265 [info]: using cpu capabilities: MMX2 SSE SSE2Fast SSSE3 SSE4.2 AVX
> x265 [warning]: Assembly not supported in this binary
> x265 [info]: HEVC encoder version unknown
> x265 [info]: build info [Linux][GCC 4.4.6][64 bit] 8bpp
> x265 [info]: Main profile, Level-3 (Main tier)
> x265 [info]: WPP streams / pool / frames  : 9 / 24 / 5
> x265 [info]: CU size                             : 64
> x265 [info]: Max RQT depth inter / intra         : 1 / 1
> x265 [info]: ME / range / subpel / merge         : hex / 60 / 2 / 2
> x265 [info]: Keyframe min / max                  : 250 / 250
> x265 [info]: Rate Control / AQ-Strength / CUTree : CRF-28.0 / 1.0 / 1
> x265 [info]: Lookahead / bframes / badapt        : 20 / 4 / 2
> x265 [info]: b-pyramid / weightp / refs          : 1 / 1 / 3
> x265 [info]: tools: rect amp rd=3 lft sao-lcu sign-hide
>
> I am using the head of the hg trunk.
>
> This is backtrace I was able to collect.
>
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0x2aaaac452700 (LWP 55598)]
> 0x0000000000000000 in ?? ()
> Missing separate debuginfos, use: debuginfo-install
> glibc-2.12-1.132.el6.x86_64 libgcc-4.4.7-4.el6.x86_64
> libstdc++-4.4.7-4.el6.x86_64
> (gdb) where
> #0  0x0000000000000000 in ?? ()
> #1  0x000000000059d4af in
> x265::TComYuv::copyFromPicChroma(x265::TComPicYuv*, unsigned int, unsigned
> int) ()
> #2  0x000000000056a031 in
> x265::TEncCu::xCompressIntraCU(x265::TComDataCU*&, x265::TComDataCU*&,
> unsigned int) ()
> #3  0x000000000056abbe in x265::TEncCu::compressCU(x265::TComDataCU*) ()
> #4  0x000000000050a19a in x265::CTURow::processCU(x265::TComDataCU*,
> x265::TComSlice*, x265::TEncSbac*, bool) ()
> #5  0x0000000000504494 in x265::FrameEncoder::processRowEncoder(int) ()
> #6  0x00000000005648de in x265::WaveFront::findJob() ()
> #7  0x00000000004f1fd2 in x265::PoolThread::threadMain() ()
> #8  0x00000000004f187a in x265::ThreadShim(void*) ()
> #9  0x0000003d606079d1 in start_thread () from /lib64/libpthread.so.0
> #10 0x0000003d602e8b6d in clone () from /lib64/libc.so.6
>
>
> I tried a raw yuv file too and get the same error
>
> [manju at hestian59 Video]$ ./x265/build/linux/x265 --input-res 960x540
> --fps 50 --input-csp 3 --input /ltmp/manju/Moonshot/piece.yuv --output
> /ltmp/manju/Moonshot/piece.h265
> yuv  [info]: 960x540 50Hz C444, frames 0 - 2952 of 2953
> x265 [info]: using cpu capabilities: MMX2 SSE SSE2Fast SSSE3 SSE4.2 AVX
> x265 [warning]: Assembly not supported in this binary
> x265 [info]: HEVC encoder version 0.6+329-b59b1e579f78
> x265 [info]: build info [Linux][GCC 4.4.7][64 bit] 8bpp
> x265 [info]: Main profile, Level-3.1 (Main tier)
> x265 [info]: WPP streams / pool / frames  : 9 / 24 / 5
> x265 [info]: CU size                             : 64
> x265 [info]: Max RQT depth inter / intra         : 1 / 1
> x265 [info]: ME / range / subpel / merge         : hex / 58 / 2 / 2
> x265 [info]: Keyframe min / max                  : 250 / 250
> x265 [info]: Rate Control / AQ-Strength / CUTree : CRF-28.0 / 1.0 / 1
> x265 [info]: Lookahead / bframes / badapt        : 20 / 4 / 2
> x265 [info]: b-pyramid / weightp / refs          : 1 / 1 / 3
> x265 [info]: tools: rect amp rd=3 lft sao-lcu sign-hide
> Segmentation fault (core dumped)
>
> Is there a fix for this bug ?
>
> Thanks,
> - Manju
>
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>
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