2 * ARM optimized Format Conversion Utils
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 #include "libavcodec/avcodec.h"
24 #include "libavcodec/fmtconvert.h"
26 void ff_int32_to_float_fmul_scalar_neon(float *dst, const int *src,
29 void ff_float_to_int16_neon(int16_t *dst, const float *src, long len);
30 void ff_float_to_int16_interleave_neon(int16_t *, const float **, long, int);
32 void ff_float_to_int16_vfp(int16_t *dst, const float *src, long len);
34 void ff_fmt_convert_init_arm(FmtConvertContext *c, AVCodecContext *avctx)
36 if (HAVE_ARMVFP && HAVE_ARMV6) {
37 c->float_to_int16 = ff_float_to_int16_vfp;
41 c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_neon;
43 if (!(avctx->flags & CODEC_FLAG_BITEXACT)) {
44 c->float_to_int16 = ff_float_to_int16_neon;
45 c->float_to_int16_interleave = ff_float_to_int16_interleave_neon;