Chiebot-Mirror
/
FFmpeg
mirror of https://github.com/FFmpeg/FFmpeg.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

Merge remote-tracking branch 'qatar/master'

Browse Source 
* qatar/master:
  aarch64: port neon clobber test from arm

Merged-by: Michael Niedermayer <michaelni@gmx.at>
pull/53/head
Michael Niedermayer 11 years ago
parent 92d07ea4b5 fe96769bed
commit 949adce125
5 changed files with 177 additions and 0 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 1
      libavcodec/aarch64/Makefile
  2. 79
      libavcodec/aarch64/neontest.c
  3. 1
      libavresample/aarch64/Makefile
  4. 31
      libavresample/aarch64/neontest.c
  5. 65
      libavutil/aarch64/neontest.h

1
libavcodec/aarch64/Makefile
Unescape View File

@ -2,6 +2,7 @@ OBJS-$(CONFIG_H264CHROMA) += aarch64/h264chroma_init_aarch64.o
OBJS-$(CONFIG_H264DSP) += aarch64/h264dsp_init_aarch64.o
OBJS-$(CONFIG_H264QPEL) += aarch64/h264qpel_init_aarch64.o
OBJS-$(CONFIG_HPELDSP) += aarch64/hpeldsp_init_aarch64.o
OBJS-$(CONFIG_NEON_CLOBBER_TEST) += aarch64/neontest.o
OBJS-$(CONFIG_RV40_DECODER) += aarch64/rv40dsp_init_aarch64.o
OBJS-$(CONFIG_VC1_DECODER) += aarch64/vc1dsp_init_aarch64.o

79
libavcodec/aarch64/neontest.c
Unescape View File

@ -0,0 +1,79 @@
/*
* check NEON registers for clobbers
* Copyright (c) 2013 Martin Storsjo
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavcodec/avcodec.h"
#include "libavutil/aarch64/neontest.h"
wrap(avcodec_open2(AVCodecContext *avctx,
AVCodec *codec,
AVDictionary **options))
{
testneonclobbers(avcodec_open2, avctx, codec, options);
}
wrap(avcodec_decode_audio4(AVCodecContext *avctx,
AVFrame *frame,
int *got_frame_ptr,
AVPacket *avpkt))
{
testneonclobbers(avcodec_decode_audio4, avctx, frame,
got_frame_ptr, avpkt);
}
wrap(avcodec_decode_video2(AVCodecContext *avctx,
AVFrame *picture,
int *got_picture_ptr,
AVPacket *avpkt))
{
testneonclobbers(avcodec_decode_video2, avctx, picture,
got_picture_ptr, avpkt);
}
wrap(avcodec_decode_subtitle2(AVCodecContext *avctx,
AVSubtitle *sub,
int *got_sub_ptr,
AVPacket *avpkt))
{
testneonclobbers(avcodec_decode_subtitle2, avctx, sub,
got_sub_ptr, avpkt);
}
wrap(avcodec_encode_audio2(AVCodecContext *avctx,
AVPacket *avpkt,
const AVFrame *frame,
int *got_packet_ptr))
{
testneonclobbers(avcodec_encode_audio2, avctx, avpkt, frame,
got_packet_ptr);
}
wrap(avcodec_encode_subtitle(AVCodecContext *avctx,
uint8_t *buf, int buf_size,
const AVSubtitle *sub))
{
testneonclobbers(avcodec_encode_subtitle, avctx, buf, buf_size, sub);
}
wrap(avcodec_encode_video2(AVCodecContext *avctx, AVPacket *avpkt,
const AVFrame *frame, int *got_packet_ptr))
{
testneonclobbers(avcodec_encode_video2, avctx, avpkt, frame, got_packet_ptr);
}

1
libavresample/aarch64/Makefile
Unescape View File

@ -0,0 +1 @@
OBJS-$(CONFIG_NEON_CLOBBER_TEST) += aarch64/neontest.o

31
libavresample/aarch64/neontest.c
Unescape View File

@ -0,0 +1,31 @@
/*
* check NEON registers for clobbers
* Copyright (c) 2013 Martin Storsjo
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavresample/avresample.h"
#include "libavutil/aarch64/neontest.h"
wrap(avresample_convert(AVAudioResampleContext *avr, uint8_t **output,
int out_plane_size, int out_samples, uint8_t **input,
int in_plane_size, int in_samples))
{
testneonclobbers(avresample_convert, avr, output, out_plane_size,
out_samples, input, in_plane_size, in_samples);
}

65
libavutil/aarch64/neontest.h
Unescape View File

@ -0,0 +1,65 @@
/*
* check NEON registers for clobbering
* Copyright (c) 2008 Ramiro Polla <ramiro.polla@gmail.com>
* Copyright (c) 2013 Martin Storsjo
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <inttypes.h>
#include <stdint.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include "libavutil/bswap.h"
#define storeneonregs(mem) \
__asm__ volatile( \
"stp d8, d9, [%0]\n\t" \
"stp d10, d11, [%0, #16]\n\t" \
"stp d12, d13, [%0, #32]\n\t" \
"stp d14, d15, [%0, #48]\n\t" \
:: "r"(mem) : "memory")
#define testneonclobbers(func, ctx, ...) \
uint64_t neon[2][8]; \
int ret; \
storeneonregs(neon[0]); \
ret = __real_ ## func(ctx, __VA_ARGS__); \
storeneonregs(neon[1]); \
if (memcmp(neon[0], neon[1], sizeof(neon[0]))) { \
int i; \
av_log(ctx, AV_LOG_ERROR, \
"NEON REGS CLOBBERED IN %s!\n", #func); \
for (i = 0; i < 8; i ++) \
if (neon[0][i] != neon[1][i]) { \
av_log(ctx, AV_LOG_ERROR, \
"d%-2d = %016"PRIx64"\n", \
8 + i, av_bswap64(neon[0][i])); \
av_log(ctx, AV_LOG_ERROR, \
" -> %016"PRIx64"\n", \
av_bswap64(neon[1][i])); \
} \
abort(); \
} \
return ret
#define wrap(func) \
int __real_ ## func; \
int __wrap_ ## func; \
int __wrap_ ## func
Write Preview
Loading…
Cancel
Save