summaryrefslogtreecommitdiff
path: root/libavcodec/i386
diff options
context:
space:
mode:
Diffstat (limited to 'libavcodec/i386')
-rw-r--r--libavcodec/i386/dsputil_h264_template_mmx.c140
-rw-r--r--libavcodec/i386/dsputil_mmx.c28
2 files changed, 168 insertions, 0 deletions
diff --git a/libavcodec/i386/dsputil_h264_template_mmx.c b/libavcodec/i386/dsputil_h264_template_mmx.c
new file mode 100644
index 0000000000..516a477a64
--- /dev/null
+++ b/libavcodec/i386/dsputil_h264_template_mmx.c
@@ -0,0 +1,140 @@
+/*
+ * Copyright (c) 2005 Zoltan Hidvegi <hzoli -a- hzoli -d- com>
+ *
+ * This library 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 of the License, or (at your option) any later version.
+ *
+ * This library 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 this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/**
+ * MMX optimized version of (put|avg)_h264_chroma_mc8.
+ * H264_CHROMA_MC8_TMPL must be defined to the desired function name and
+ * H264_CHROMA_OP must be defined to empty for put and pavgb/pavgusb for avg.
+ */
+static void H264_CHROMA_MC8_TMPL(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y)
+{
+ uint64_t AA __align8;
+ uint64_t DD __align8;
+ unsigned long srcos = (long)src & 7;
+ uint64_t sh1 __align8 = srcos * 8;
+ uint64_t sh2 __align8 = 56 - sh1;
+ int i;
+
+ assert(x<8 && y<8 && x>=0 && y>=0);
+
+ asm volatile("movd %1, %%mm4\n\t"
+ "movd %2, %%mm6\n\t"
+ "punpcklwd %%mm4, %%mm4\n\t"
+ "punpcklwd %%mm6, %%mm6\n\t"
+ "punpckldq %%mm4, %%mm4\n\t" /* mm4 = x words */
+ "punpckldq %%mm6, %%mm6\n\t" /* mm6 = y words */
+ "movq %%mm4, %%mm5\n\t"
+ "pmullw %%mm6, %%mm4\n\t" /* mm4 = x * y */
+ "psllw $3, %%mm5\n\t"
+ "psllw $3, %%mm6\n\t"
+ "movq %%mm5, %%mm7\n\t"
+ "paddw %%mm6, %%mm7\n\t"
+ "movq %%mm4, %0\n\t" /* DD = x * y */
+ "psubw %%mm4, %%mm5\n\t" /* mm5 = B = 8x - xy */
+ "psubw %%mm4, %%mm6\n\t" /* mm6 = C = 8y - xy */
+ "paddw %3, %%mm4\n\t"
+ "psubw %%mm7, %%mm4\n\t" /* mm4 = A = xy - (8x+8y) + 64 */
+ "pxor %%mm7, %%mm7\n\t"
+ : "=m" (DD) : "rm" (x), "rm" (y), "m" (sixtyfour));
+
+ asm volatile("movq %%mm4, %0" : "=m" (AA));
+
+ src -= srcos;
+ asm volatile(
+ /* mm0 = src[0..7], mm1 = src[1..8] */
+ "movq %0, %%mm1\n\t"
+ "movq %1, %%mm0\n\t"
+ "psrlq %2, %%mm1\n\t"
+ "psllq %3, %%mm0\n\t"
+ "movq %%mm0, %%mm4\n\t"
+ "psllq $8, %%mm0\n\t"
+ "por %%mm1, %%mm0\n\t"
+ "psrlq $8, %%mm1\n\t"
+ "por %%mm4, %%mm1\n\t"
+ : : "m" (src[0]), "m" (src[8]), "m" (sh1), "m" (sh2));
+
+ for(i=0; i<h; i++) {
+ asm volatile(
+ /* [mm2,mm3] = A * src[0..7] */
+ "movq %%mm0, %%mm2\n\t"
+ "punpcklbw %%mm7, %%mm2\n\t"
+ "pmullw %0, %%mm2\n\t"
+ "movq %%mm0, %%mm3\n\t"
+ "punpckhbw %%mm7, %%mm3\n\t"
+ "pmullw %0, %%mm3\n\t"
+
+ /* [mm2,mm3] += B * src[1..8] */
+ "movq %%mm1, %%mm0\n\t"
+ "punpcklbw %%mm7, %%mm0\n\t"
+ "pmullw %%mm5, %%mm0\n\t"
+ "punpckhbw %%mm7, %%mm1\n\t"
+ "pmullw %%mm5, %%mm1\n\t"
+ "paddw %%mm0, %%mm2\n\t"
+ "paddw %%mm1, %%mm3\n\t"
+ : : "m" (AA));
+
+ src += stride;
+ asm volatile(
+ /* mm0 = src[0..7], mm1 = src[1..8] */
+ "movq %0, %%mm1\n\t"
+ "movq %1, %%mm0\n\t"
+ "psrlq %2, %%mm1\n\t"
+ "psllq %3, %%mm0\n\t"
+ "movq %%mm0, %%mm4\n\t"
+ "psllq $8, %%mm0\n\t"
+ "por %%mm1, %%mm0\n\t"
+ "psrlq $8, %%mm1\n\t"
+ "por %%mm4, %%mm1\n\t"
+ : : "m" (src[0]), "m" (src[8]), "m" (sh1), "m" (sh2));
+
+ asm volatile(
+ /* [mm2,mm3] += C * src[0..7] */
+ "movq %mm0, %mm4\n\t"
+ "punpcklbw %mm7, %mm4\n\t"
+ "pmullw %mm6, %mm4\n\t"
+ "paddw %mm4, %mm2\n\t"
+ "movq %mm0, %mm4\n\t"
+ "punpckhbw %mm7, %mm4\n\t"
+ "pmullw %mm6, %mm4\n\t"
+ "paddw %mm4, %mm3\n\t");
+
+ asm volatile(
+ /* [mm2,mm3] += D * src[1..8] */
+ "movq %%mm1, %%mm4\n\t"
+ "punpcklbw %%mm7, %%mm4\n\t"
+ "pmullw %0, %%mm4\n\t"
+ "paddw %%mm4, %%mm2\n\t"
+ "movq %%mm1, %%mm4\n\t"
+ "punpckhbw %%mm7, %%mm4\n\t"
+ "pmullw %0, %%mm4\n\t"
+ "paddw %%mm4, %%mm3\n\t"
+ : : "m" (DD));
+
+ asm volatile(
+ /* dst[0..7] = pack(([mm2,mm3] + 32) >> 6) */
+ "paddw %1, %%mm2\n\t"
+ "paddw %1, %%mm3\n\t"
+ "psrlw $6, %%mm2\n\t"
+ "psrlw $6, %%mm3\n\t"
+ "packuswb %%mm3, %%mm2\n\t"
+ H264_CHROMA_OP(%0, %%mm2)
+ "movq %%mm2, %0\n\t"
+ : "=m" (dst[0]) : "m" (thirtytwo));
+ dst+= stride;
+ }
+}
diff --git a/libavcodec/i386/dsputil_mmx.c b/libavcodec/i386/dsputil_mmx.c
index b767f9d8e3..32565c3d3f 100644
--- a/libavcodec/i386/dsputil_mmx.c
+++ b/libavcodec/i386/dsputil_mmx.c
@@ -3078,6 +3078,30 @@ H264_MC(avg_, 4, mmx2)
H264_MC(avg_, 8, mmx2)
H264_MC(avg_, 16,mmx2)
+
+/** These are used by *_h264_chroma_mc8_* */
+static const uint64_t thirtytwo __align8 = 0x0020002000200020ULL;
+static const uint64_t sixtyfour __align8 = 0x0040004000400040ULL;
+
+#define H264_CHROMA_OP(S,D)
+#define H264_CHROMA_MC8_TMPL put_h264_chroma_mc8_mmx
+#include "dsputil_h264_template_mmx.c"
+#undef H264_CHROMA_OP
+#undef H264_CHROMA_MC8_TMPL
+
+#define H264_CHROMA_OP(S,D) "pavgb " #S ", " #D " \n\t"
+#define H264_CHROMA_MC8_TMPL avg_h264_chroma_mc8_mmx2
+#include "dsputil_h264_template_mmx.c"
+#undef H264_CHROMA_OP
+#undef H264_CHROMA_MC8_TMPL
+
+#define H264_CHROMA_OP(S,D) "pavgusb " #S ", " #D " \n\t"
+#define H264_CHROMA_MC8_TMPL avg_h264_chroma_mc8_3dnow
+#include "dsputil_h264_template_mmx.c"
+#undef H264_CHROMA_OP
+#undef H264_CHROMA_MC8_TMPL
+
+
#if 0
static void just_return() { return; }
#endif
@@ -3377,6 +3401,7 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
c->h263_v_loop_filter= h263_v_loop_filter_mmx;
c->h263_h_loop_filter= h263_h_loop_filter_mmx;
+ c->put_h264_chroma_pixels_tab[0]= put_h264_chroma_mc8_mmx;
if (mm_flags & MM_MMXEXT) {
c->put_pixels_tab[0][1] = put_pixels16_x2_mmx2;
@@ -3473,6 +3498,7 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
dspfunc(avg_h264_qpel, 2, 4);
#undef dspfunc
+ c->avg_h264_chroma_pixels_tab[0]= avg_h264_chroma_mc8_mmx2;
c->h264_v_loop_filter_luma= h264_v_loop_filter_luma_mmx2;
c->h264_h_loop_filter_luma= h264_h_loop_filter_luma_mmx2;
c->h264_v_loop_filter_chroma= h264_v_loop_filter_chroma_mmx2;
@@ -3564,6 +3590,8 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
dspfunc(avg_h264_qpel, 0, 16);
dspfunc(avg_h264_qpel, 1, 8);
dspfunc(avg_h264_qpel, 2, 4);
+
+ c->avg_h264_chroma_pixels_tab[0]= avg_h264_chroma_mc8_3dnow;
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-08 03:40:32 +0000