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authorMichael Niedermayer <michaelni@gmx.at>2014-07-10 00:56:05 +0200
committerMichael Niedermayer <michaelni@gmx.at>2014-07-10 01:22:14 +0200
commit2d5e9451de3c7ab00cac6ec4aff290e12a2f190d (patch)
tree9934a09e3ad1f63796274ee59f216df19cd9ca02 /libavcodec/pixblockdsp.c
parent6cc1fec41263add956b35af96d7c4a81c9436a65 (diff)
parentf46bb608d9d76c543e4929dc8cffe36b84bd789e (diff)
downloadffmpeg-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.c80
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);
+}