On Mon, Feb 16, 2015 at 12:47:36PM +0000, Tomperi Seppo wrote: > More NEON optimizations for testing. fate-hevc passes on Tegra K1, but these > haven't been tested for NEON clobbering. > > -Seppo > > ________________________________________ > From: Tomperi Seppo > Sent: Monday, February 16, 2015 1:30 PM > To: Michael Niedermayer > Cc: Michael Niedermayer; FFmpeg development discussions and patches; Mickaël > Raulet > Subject: RE: [FFmpeg-devel] DSP function ARM NEON patches for hevc > > Hi Michael, > > Here is a totally shot in a dark fix attempt for NEON register clobbering for > deblocking. Could you test it with qemu and check if it works. > > > -Seppo > > ________________________________________ > From: Michael Niedermayer [mich...@niedermayer.cc] > Sent: Monday, February 16, 2015 3:28 AM > To: Tomperi Seppo > Cc: Michael Niedermayer; FFmpeg development discussions and patches; Mickaël > Raulet > Subject: Re: [FFmpeg-devel] DSP function ARM NEON patches for hevc > > Hi > > On Sun, Feb 15, 2015 at 08:31:32PM +0000, Tomperi Seppo wrote: > > Hi! > > > > The reason is chroma deblocking which is using q4 without pushing it to > > stack. :/ > > Unfortunately I am in Geneve this week and don't have ARM linux board with > > me so it is not easy to test. > > > > Mickael Raulet: maybe guys at INSA could run tests this week if I make a > > fix? Could you ask? > > If they cant, then i probably can test it too if its a patch which > applies cleanly to ffmpeg and testing fate-hevc with > --enable-neon-clobber-test under qemu is what is needed > i could test on a arm board too if needed > > > > > > I also have SAO, qpel and epel NEON patches for latest FFmpeg. They pass > > fate-hevc on Jetson TK1, but should be iOS and clobber checked. > > > > -Seppo > > > > > > ________________________________________ > > From: Michael Niedermayer [michae...@gmx.at] > > Sent: Friday, February 13, 2015 5:38 PM > > To: FFmpeg development discussions and patches > > Cc: Tomperi Seppo; Mickaël Raulet > > Subject: Re: [FFmpeg-devel] DSP function ARM NEON patches for hevc > > > > On Thu, Feb 05, 2015 at 02:22:28PM +0100, Mickaël Raulet wrote: > > > Michael, > > > > > > Please find some commits that can be cherry picked from > > > https://github.com/OpenHEVC/FFmpeg/commits/ffmpeg_patch > > > > > > > > Optimized deblocking filter (8bits only) > > > 1b9ee47d2f43b0a029a9468233626102eb1473b8 > > > > this breaks the neon clobber test see: > > fate.ffmpeg.org/report.cgi?time=20150211030204&slot=armv7l-panda-gcc4.6-cortexa8-clobber > > > > [...] > > -- > > Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB > > > > The worst form of inequality is to try to make unequal things equal. > > -- Aristotle > > > > -- > Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB > > Opposition brings concord. Out of discord comes the fairest harmony. > -- Heraclitus
> Makefile | 3
> hevcdsp_init_neon.c | 159 ++++++++
> hevcdsp_qpel_neon.S | 999
> ++++++++++++++++++++++++++++++++++++++++++++++++++++
> 3 files changed, 1160 insertions(+), 1 deletion(-)
> 9fb0b3c33edf085845b7a0fba3ca77d1ba55dd6c
> 0001-hevcdsp-ARM-NEON-optimized-qpel-functions.patch
> From ce06cb2bea4b051995608b11651b185e7a825a4c Mon Sep 17 00:00:00 2001
> From: Seppo Tomperi <seppo.tomp...@vtt.fi>
> Date: Wed, 11 Feb 2015 10:20:26 +0000
> Subject: [PATCH] hevcdsp: ARM NEON optimized qpel functions
>
> ---
> libavcodec/arm/Makefile | 3 +-
> libavcodec/arm/hevcdsp_init_neon.c | 159 ++++++
> libavcodec/arm/hevcdsp_qpel_neon.S | 999
> +++++++++++++++++++++++++++++++++++++
> 3 files changed, 1160 insertions(+), 1 deletion(-)
> create mode 100644 libavcodec/arm/hevcdsp_qpel_neon.S
seems to fail building:
libavformat/utils.o
CC libavcodec/arm/hevcdsp_init_neon.o
AS libavcodec/arm/hevcdsp_qpel_neon.o
ffmpeg/libavcodec/arm/hevcdsp_qpel_neon.S: Assembler messages:
ffmpeg/libavcodec/arm/hevcdsp_qpel_neon.S:992: Error: expected } -- `vld1.32
{d0[0]d0[1]d1[0]d1[1]},[r2],r3'
ffmpeg/libavcodec/arm/hevcdsp_qpel_neon.S:992: Error: Neon double or quad
precision register expected -- `vld1.32 {},[r2],r3'
ffmpeg/libavcodec/arm/hevcdsp_qpel_neon.S:992: Error: Neon double or quad
precision register expected -- `vld1.32 {},[r2],r3'
ffmpeg/libavcodec/arm/hevcdsp_qpel_neon.S:992: Error: Neon double or quad
precision register expected -- `vld1.32 {},[r2],r3'
ffmpeg/libavcodec/arm/hevcdsp_qpel_neon.S:992: Error: expected } -- `vst1.32
{d0[0]d0[1]d1[0]d1[1]},[r0],r1'
ffmpeg/libavcodec/arm/hevcdsp_qpel_neon.S:992: Error: Neon double or quad
precision register expected -- `vst1.32 {},[r0],r1'
ffmpeg/libavcodec/arm/hevcdsp_qpel_neon.S:992: Error: Neon double or quad
precision register expected -- `vst1.32 {},[r0],r1'
ffmpeg/libavcodec/arm/hevcdsp_qpel_neon.S:992: Error: Neon double or quad
precision register expected -- `vst1.32 {},[r0],r1'
ffmpeg/libavcodec/arm/hevcdsp_qpel_neon.S:994: Error: expected } -- `vld1.32
{d1[0]d2},[r2]'
ffmpeg/libavcodec/arm/hevcdsp_qpel_neon.S:994: Error: Neon double or quad
precision register expected -- `vld1.32 {},[r2]'
ffmpeg/libavcodec/arm/hevcdsp_qpel_neon.S:994: Error: expected } -- `vst1.32
{d1[0]d2},[r0]'
ffmpeg/libavcodec/arm/hevcdsp_qpel_neon.S:994: Error: Neon double or quad
precision register expected -- `vst1.32 {},[r0]'
make: *** [libavcodec/arm/hevcdsp_qpel_neon.o] Error 1
make: *** Waiting for unfinished jobs....
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
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