ffmpeg/libavcodec/arm/mpegvideo_arm.c
Mans Rullgard d526c5338d ARM: allow runtime masking of CPU features
This allows masking CPU features with the -cpuflags avconv option
which is useful for testing different optimisations without rebuilding.

Signed-off-by: Mans Rullgard <mans@mansr.com>
2012-04-22 12:30:45 +01:00

54 lines
1.9 KiB
C

/*
* Copyright (c) 2002 Michael Niedermayer
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/arm/cpu.h"
#include "libavcodec/avcodec.h"
#include "libavcodec/dsputil.h"
#include "libavcodec/mpegvideo.h"
#include "mpegvideo_arm.h"
#include "asm-offsets.h"
#if HAVE_NEON
CHK_OFFS(MpegEncContext, y_dc_scale, Y_DC_SCALE);
CHK_OFFS(MpegEncContext, c_dc_scale, C_DC_SCALE);
CHK_OFFS(MpegEncContext, ac_pred, AC_PRED);
CHK_OFFS(MpegEncContext, block_last_index, BLOCK_LAST_INDEX);
CHK_OFFS(MpegEncContext, inter_scantable.raster_end, INTER_SCANTAB_RASTER_END);
CHK_OFFS(MpegEncContext, h263_aic, H263_AIC);
#endif
void ff_dct_unquantize_h263_inter_neon(MpegEncContext *s, DCTELEM *block,
int n, int qscale);
void ff_dct_unquantize_h263_intra_neon(MpegEncContext *s, DCTELEM *block,
int n, int qscale);
void ff_MPV_common_init_arm(MpegEncContext *s)
{
int cpu_flags = av_get_cpu_flags();
if (have_armv5te(cpu_flags))
ff_MPV_common_init_armv5te(s);
if (have_neon(cpu_flags)) {
s->dct_unquantize_h263_intra = ff_dct_unquantize_h263_intra_neon;
s->dct_unquantize_h263_inter = ff_dct_unquantize_h263_inter_neon;
}
}