diff options
author | Michael Niedermayer <michaelni@gmx.at> | 2014-07-10 00:56:05 +0200 |
---|---|---|
committer | Michael Niedermayer <michaelni@gmx.at> | 2014-07-10 01:22:14 +0200 |
commit | 2d5e9451de3c7ab00cac6ec4aff290e12a2f190d (patch) | |
tree | 9934a09e3ad1f63796274ee59f216df19cd9ca02 /libavcodec/pixblockdsp.c | |
parent | 6cc1fec41263add956b35af96d7c4a81c9436a65 (diff) | |
parent | f46bb608d9d76c543e4929dc8cffe36b84bd789e (diff) | |
download | ffmpeg-2d5e9451de3c7ab00cac6ec4aff290e12a2f190d.tar.gz |
Merge commit 'f46bb608d9d76c543e4929dc8cffe36b84bd789e'
* commit 'f46bb608d9d76c543e4929dc8cffe36b84bd789e':
dsputil: Split off pixel block routines into their own context
Conflicts:
configure
libavcodec/dsputil.c
libavcodec/mpegvideo_enc.c
libavcodec/pixblockdsp_template.c
libavcodec/x86/dsputilenc.asm
libavcodec/x86/dsputilenc_mmx.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/pixblockdsp.c')
-rw-r--r-- | libavcodec/pixblockdsp.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/libavcodec/pixblockdsp.c b/libavcodec/pixblockdsp.c new file mode 100644 index 0000000000..a69948e43e --- /dev/null +++ b/libavcodec/pixblockdsp.c @@ -0,0 +1,80 @@ +/* + * 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 <stdint.h> + +#include "config.h" +#include "libavutil/attributes.h" +#include "avcodec.h" +#include "pixblockdsp.h" + +#define BIT_DEPTH 16 +#include "pixblockdsp_template.c" +#undef BIT_DEPTH + +#define BIT_DEPTH 8 +#include "pixblockdsp_template.c" + +static void diff_pixels_c(int16_t *av_restrict block, const uint8_t *s1, + const uint8_t *s2, int stride) +{ + int i; + + /* read the pixels */ + for (i = 0; i < 8; i++) { + block[0] = s1[0] - s2[0]; + block[1] = s1[1] - s2[1]; + block[2] = s1[2] - s2[2]; + block[3] = s1[3] - s2[3]; + block[4] = s1[4] - s2[4]; + block[5] = s1[5] - s2[5]; + block[6] = s1[6] - s2[6]; + block[7] = s1[7] - s2[7]; + s1 += stride; + s2 += stride; + block += 8; + } +} + +av_cold void ff_pixblockdsp_init(PixblockDSPContext *c, AVCodecContext *avctx) +{ + const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8; + + c->diff_pixels = diff_pixels_c; + + switch (avctx->bits_per_raw_sample) { + case 9: + case 10: + case 12: + case 14: + c->get_pixels = get_pixels_16_c; + break; + default: + if (avctx->bits_per_raw_sample<=8 || avctx->codec_type != AVMEDIA_TYPE_VIDEO) { + c->get_pixels = get_pixels_8_c; + } + break; + } + + if (ARCH_ARM) + ff_pixblockdsp_init_arm(c, avctx, high_bit_depth); + if (ARCH_PPC) + ff_pixblockdsp_init_ppc(c, avctx, high_bit_depth); + if (ARCH_X86) + ff_pixblockdsp_init_x86(c, avctx, high_bit_depth); +} |