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authorTim Redfern <tim@eclectronics.org>2013-09-05 17:57:22 +0100
committerTim Redfern <tim@eclectronics.org>2013-09-05 17:57:22 +0100
commit8992cb1d0d07edc33d274f6d7924ecdf6f83d994 (patch)
tree3a2c86846b7eec8137c1507e623fc7018f13d453 /ffmpeg/libavcodec/x86/vp3dsp_init.c
parent741fb4b9e135cfb161a749db88713229038577bb (diff)
making act segmenter
Diffstat (limited to 'ffmpeg/libavcodec/x86/vp3dsp_init.c')
-rw-r--r--ffmpeg/libavcodec/x86/vp3dsp_init.c128
1 files changed, 128 insertions, 0 deletions
diff --git a/ffmpeg/libavcodec/x86/vp3dsp_init.c b/ffmpeg/libavcodec/x86/vp3dsp_init.c
new file mode 100644
index 0000000..252b40a
--- /dev/null
+++ b/ffmpeg/libavcodec/x86/vp3dsp_init.c
@@ -0,0 +1,128 @@
+/*
+ * Copyright (c) 2009 David Conrad <lessen42@gmail.com>
+ *
+ * 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 "libavutil/attributes.h"
+#include "libavutil/cpu.h"
+#include "libavutil/x86/cpu.h"
+#include "libavutil/x86/asm.h"
+#include "libavcodec/avcodec.h"
+#include "libavcodec/dsputil.h"
+#include "libavcodec/vp3dsp.h"
+#include "config.h"
+
+void ff_vp3_idct_put_mmx(uint8_t *dest, int line_size, int16_t *block);
+void ff_vp3_idct_add_mmx(uint8_t *dest, int line_size, int16_t *block);
+
+void ff_vp3_idct_put_sse2(uint8_t *dest, int line_size, int16_t *block);
+void ff_vp3_idct_add_sse2(uint8_t *dest, int line_size, int16_t *block);
+
+void ff_vp3_idct_dc_add_mmxext(uint8_t *dest, int line_size,
+ int16_t *block);
+
+void ff_vp3_v_loop_filter_mmxext(uint8_t *src, int stride,
+ int *bounding_values);
+void ff_vp3_h_loop_filter_mmxext(uint8_t *src, int stride,
+ int *bounding_values);
+
+#if HAVE_INLINE_ASM
+
+#define MOVQ_BFE(regd) \
+ __asm__ volatile ( \
+ "pcmpeqd %%"#regd", %%"#regd" \n\t" \
+ "paddb %%"#regd", %%"#regd" \n\t" ::)
+
+#define PAVGBP_MMX_NO_RND(rega, regb, regr, regc, regd, regp) \
+ "movq "#rega", "#regr" \n\t" \
+ "movq "#regc", "#regp" \n\t" \
+ "pand "#regb", "#regr" \n\t" \
+ "pand "#regd", "#regp" \n\t" \
+ "pxor "#rega", "#regb" \n\t" \
+ "pxor "#regc", "#regd" \n\t" \
+ "pand %%mm6, "#regb" \n\t" \
+ "pand %%mm6, "#regd" \n\t" \
+ "psrlq $1, "#regb" \n\t" \
+ "psrlq $1, "#regd" \n\t" \
+ "paddb "#regb", "#regr" \n\t" \
+ "paddb "#regd", "#regp" \n\t"
+
+static void put_vp_no_rnd_pixels8_l2_mmx(uint8_t *dst, const uint8_t *a, const uint8_t *b, ptrdiff_t stride, int h)
+{
+// START_TIMER
+ MOVQ_BFE(mm6);
+ __asm__ volatile(
+ "1: \n\t"
+ "movq (%1), %%mm0 \n\t"
+ "movq (%2), %%mm1 \n\t"
+ "movq (%1,%4), %%mm2 \n\t"
+ "movq (%2,%4), %%mm3 \n\t"
+ PAVGBP_MMX_NO_RND(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
+ "movq %%mm4, (%3) \n\t"
+ "movq %%mm5, (%3,%4) \n\t"
+
+ "movq (%1,%4,2), %%mm0 \n\t"
+ "movq (%2,%4,2), %%mm1 \n\t"
+ "movq (%1,%5), %%mm2 \n\t"
+ "movq (%2,%5), %%mm3 \n\t"
+ "lea (%1,%4,4), %1 \n\t"
+ "lea (%2,%4,4), %2 \n\t"
+ PAVGBP_MMX_NO_RND(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
+ "movq %%mm4, (%3,%4,2) \n\t"
+ "movq %%mm5, (%3,%5) \n\t"
+ "lea (%3,%4,4), %3 \n\t"
+ "subl $4, %0 \n\t"
+ "jnz 1b \n\t"
+ :"+r"(h), "+r"(a), "+r"(b), "+r"(dst)
+ :"r"((x86_reg)stride), "r"((x86_reg)3L*stride)
+ :"memory");
+// STOP_TIMER("put_vp_no_rnd_pixels8_l2_mmx")
+}
+#endif /* HAVE_INLINE_ASM */
+
+av_cold void ff_vp3dsp_init_x86(VP3DSPContext *c, int flags)
+{
+ int cpuflags = av_get_cpu_flags();
+
+#if HAVE_INLINE_ASM
+ c->put_no_rnd_pixels_l2 = put_vp_no_rnd_pixels8_l2_mmx;
+#endif /* HAVE_INLINE_ASM */
+
+#if ARCH_X86_32
+ if (EXTERNAL_MMX(cpuflags)) {
+ c->idct_put = ff_vp3_idct_put_mmx;
+ c->idct_add = ff_vp3_idct_add_mmx;
+ }
+#endif
+
+ if (EXTERNAL_MMXEXT(cpuflags)) {
+ c->idct_dc_add = ff_vp3_idct_dc_add_mmxext;
+
+ if (!(flags & CODEC_FLAG_BITEXACT)) {
+ c->v_loop_filter = ff_vp3_v_loop_filter_mmxext;
+ c->h_loop_filter = ff_vp3_h_loop_filter_mmxext;
+ }
+ }
+
+ if (EXTERNAL_SSE2(cpuflags)) {
+ c->idct_put = ff_vp3_idct_put_sse2;
+ c->idct_add = ff_vp3_idct_add_sse2;
+ }
+}