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authorMåns Rullgård <mans@mansr.com>2008-12-17 00:54:54 +0000
committerMåns Rullgård <mans@mansr.com>2008-12-17 00:54:54 +0000
commita2fc0f6a6ddf884ace3c96a0d4f09f0932e6db32 (patch)
tree44b807b924e29465a6aed924fcb53c719a83a956 /libavcodec/arm/dsputil_iwmmxt.c
parent2600f8c86dcaa411a0485b1518e5e1592374aaf6 (diff)
ARM: replace "armv4l" with "arm"
Originally committed as revision 16179 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/arm/dsputil_iwmmxt.c')
-rw-r--r--libavcodec/arm/dsputil_iwmmxt.c205
1 files changed, 205 insertions, 0 deletions
diff --git a/libavcodec/arm/dsputil_iwmmxt.c b/libavcodec/arm/dsputil_iwmmxt.c
new file mode 100644
index 0000000000..3d6260b056
--- /dev/null
+++ b/libavcodec/arm/dsputil_iwmmxt.c
@@ -0,0 +1,205 @@
+/*
+ * iWMMXt optimized DSP utils
+ * Copyright (c) 2004 AGAWA Koji
+ *
+ * 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 "libavcodec/dsputil.h"
+
+#define DEF(x, y) x ## _no_rnd_ ## y ##_iwmmxt
+#define SET_RND(regd) __asm__ volatile ("mov r12, #1 \n\t tbcsth " #regd ", r12":::"r12");
+#define WAVG2B "wavg2b"
+#include "dsputil_iwmmxt_rnd_template.c"
+#undef DEF
+#undef SET_RND
+#undef WAVG2B
+
+#define DEF(x, y) x ## _ ## y ##_iwmmxt
+#define SET_RND(regd) __asm__ volatile ("mov r12, #2 \n\t tbcsth " #regd ", r12":::"r12");
+#define WAVG2B "wavg2br"
+#include "dsputil_iwmmxt_rnd_template.c"
+#undef DEF
+#undef SET_RND
+#undef WAVG2BR
+
+// need scheduling
+#define OP(AVG) \
+ __asm__ volatile ( \
+ /* alignment */ \
+ "and r12, %[pixels], #7 \n\t" \
+ "bic %[pixels], %[pixels], #7 \n\t" \
+ "tmcr wcgr1, r12 \n\t" \
+ \
+ "wldrd wr0, [%[pixels]] \n\t" \
+ "wldrd wr1, [%[pixels], #8] \n\t" \
+ "add %[pixels], %[pixels], %[line_size] \n\t" \
+ "walignr1 wr4, wr0, wr1 \n\t" \
+ \
+ "1: \n\t" \
+ \
+ "wldrd wr2, [%[pixels]] \n\t" \
+ "wldrd wr3, [%[pixels], #8] \n\t" \
+ "add %[pixels], %[pixels], %[line_size] \n\t" \
+ "pld [%[pixels]] \n\t" \
+ "walignr1 wr5, wr2, wr3 \n\t" \
+ AVG " wr6, wr4, wr5 \n\t" \
+ "wstrd wr6, [%[block]] \n\t" \
+ "add %[block], %[block], %[line_size] \n\t" \
+ \
+ "wldrd wr0, [%[pixels]] \n\t" \
+ "wldrd wr1, [%[pixels], #8] \n\t" \
+ "add %[pixels], %[pixels], %[line_size] \n\t" \
+ "walignr1 wr4, wr0, wr1 \n\t" \
+ "pld [%[pixels]] \n\t" \
+ AVG " wr6, wr4, wr5 \n\t" \
+ "wstrd wr6, [%[block]] \n\t" \
+ "add %[block], %[block], %[line_size] \n\t" \
+ \
+ "subs %[h], %[h], #2 \n\t" \
+ "bne 1b \n\t" \
+ : [block]"+r"(block), [pixels]"+r"(pixels), [h]"+r"(h) \
+ : [line_size]"r"(line_size) \
+ : "memory", "r12");
+void put_pixels8_y2_iwmmxt(uint8_t *block, const uint8_t *pixels, const int line_size, int h)
+{
+ OP("wavg2br");
+}
+void put_no_rnd_pixels8_y2_iwmmxt(uint8_t *block, const uint8_t *pixels, const int line_size, int h)
+{
+ OP("wavg2b");
+}
+#undef OP
+
+void add_pixels_clamped_iwmmxt(const DCTELEM *block, uint8_t *pixels, int line_size)
+{
+ uint8_t *pixels2 = pixels + line_size;
+
+ __asm__ volatile (
+ "mov r12, #4 \n\t"
+ "1: \n\t"
+ "pld [%[pixels], %[line_size2]] \n\t"
+ "pld [%[pixels2], %[line_size2]] \n\t"
+ "wldrd wr4, [%[pixels]] \n\t"
+ "wldrd wr5, [%[pixels2]] \n\t"
+ "pld [%[block], #32] \n\t"
+ "wunpckelub wr6, wr4 \n\t"
+ "wldrd wr0, [%[block]] \n\t"
+ "wunpckehub wr7, wr4 \n\t"
+ "wldrd wr1, [%[block], #8] \n\t"
+ "wunpckelub wr8, wr5 \n\t"
+ "wldrd wr2, [%[block], #16] \n\t"
+ "wunpckehub wr9, wr5 \n\t"
+ "wldrd wr3, [%[block], #24] \n\t"
+ "add %[block], %[block], #32 \n\t"
+ "waddhss wr10, wr0, wr6 \n\t"
+ "waddhss wr11, wr1, wr7 \n\t"
+ "waddhss wr12, wr2, wr8 \n\t"
+ "waddhss wr13, wr3, wr9 \n\t"
+ "wpackhus wr14, wr10, wr11 \n\t"
+ "wpackhus wr15, wr12, wr13 \n\t"
+ "wstrd wr14, [%[pixels]] \n\t"
+ "add %[pixels], %[pixels], %[line_size2] \n\t"
+ "subs r12, r12, #1 \n\t"
+ "wstrd wr15, [%[pixels2]] \n\t"
+ "add %[pixels2], %[pixels2], %[line_size2] \n\t"
+ "bne 1b \n\t"
+ : [block]"+r"(block), [pixels]"+r"(pixels), [pixels2]"+r"(pixels2)
+ : [line_size2]"r"(line_size << 1)
+ : "cc", "memory", "r12");
+}
+
+static void clear_blocks_iwmmxt(DCTELEM *blocks)
+{
+ __asm__ volatile(
+ "wzero wr0 \n\t"
+ "mov r1, #(128 * 6 / 32) \n\t"
+ "1: \n\t"
+ "wstrd wr0, [%0] \n\t"
+ "wstrd wr0, [%0, #8] \n\t"
+ "wstrd wr0, [%0, #16] \n\t"
+ "wstrd wr0, [%0, #24] \n\t"
+ "subs r1, r1, #1 \n\t"
+ "add %0, %0, #32 \n\t"
+ "bne 1b \n\t"
+ : "+r"(blocks)
+ :
+ : "r1"
+ );
+}
+
+static void nop(uint8_t *block, const uint8_t *pixels, int line_size, int h)
+{
+ return;
+}
+
+/* A run time test is not simple. If this file is compiled in
+ * then we should install the functions
+ */
+int mm_flags = FF_MM_IWMMXT; /* multimedia extension flags */
+
+void dsputil_init_iwmmxt(DSPContext* c, AVCodecContext *avctx)
+{
+ if (avctx->dsp_mask) {
+ if (avctx->dsp_mask & FF_MM_FORCE)
+ mm_flags |= (avctx->dsp_mask & 0xffff);
+ else
+ mm_flags &= ~(avctx->dsp_mask & 0xffff);
+ }
+
+ if (!(mm_flags & FF_MM_IWMMXT)) return;
+
+ c->add_pixels_clamped = add_pixels_clamped_iwmmxt;
+
+ c->clear_blocks = clear_blocks_iwmmxt;
+
+ c->put_pixels_tab[0][0] = put_pixels16_iwmmxt;
+ c->put_pixels_tab[0][1] = put_pixels16_x2_iwmmxt;
+ c->put_pixels_tab[0][2] = put_pixels16_y2_iwmmxt;
+ c->put_pixels_tab[0][3] = put_pixels16_xy2_iwmmxt;
+ c->put_no_rnd_pixels_tab[0][0] = put_pixels16_iwmmxt;
+ c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_iwmmxt;
+ c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y2_iwmmxt;
+ c->put_no_rnd_pixels_tab[0][3] = put_no_rnd_pixels16_xy2_iwmmxt;
+
+ c->put_pixels_tab[1][0] = put_pixels8_iwmmxt;
+ c->put_pixels_tab[1][1] = put_pixels8_x2_iwmmxt;
+ c->put_pixels_tab[1][2] = put_pixels8_y2_iwmmxt;
+ c->put_pixels_tab[1][3] = put_pixels8_xy2_iwmmxt;
+ c->put_no_rnd_pixels_tab[1][0] = put_pixels8_iwmmxt;
+ c->put_no_rnd_pixels_tab[1][1] = put_no_rnd_pixels8_x2_iwmmxt;
+ c->put_no_rnd_pixels_tab[1][2] = put_no_rnd_pixels8_y2_iwmmxt;
+ c->put_no_rnd_pixels_tab[1][3] = put_no_rnd_pixels8_xy2_iwmmxt;
+
+ c->avg_pixels_tab[0][0] = avg_pixels16_iwmmxt;
+ c->avg_pixels_tab[0][1] = avg_pixels16_x2_iwmmxt;
+ c->avg_pixels_tab[0][2] = avg_pixels16_y2_iwmmxt;
+ c->avg_pixels_tab[0][3] = avg_pixels16_xy2_iwmmxt;
+ c->avg_no_rnd_pixels_tab[0][0] = avg_pixels16_iwmmxt;
+ c->avg_no_rnd_pixels_tab[0][1] = avg_no_rnd_pixels16_x2_iwmmxt;
+ c->avg_no_rnd_pixels_tab[0][2] = avg_no_rnd_pixels16_y2_iwmmxt;
+ c->avg_no_rnd_pixels_tab[0][3] = avg_no_rnd_pixels16_xy2_iwmmxt;
+
+ c->avg_pixels_tab[1][0] = avg_pixels8_iwmmxt;
+ c->avg_pixels_tab[1][1] = avg_pixels8_x2_iwmmxt;
+ c->avg_pixels_tab[1][2] = avg_pixels8_y2_iwmmxt;
+ c->avg_pixels_tab[1][3] = avg_pixels8_xy2_iwmmxt;
+ c->avg_no_rnd_pixels_tab[1][0] = avg_no_rnd_pixels8_iwmmxt;
+ c->avg_no_rnd_pixels_tab[1][1] = avg_no_rnd_pixels8_x2_iwmmxt;
+ c->avg_no_rnd_pixels_tab[1][2] = avg_no_rnd_pixels8_y2_iwmmxt;
+ c->avg_no_rnd_pixels_tab[1][3] = avg_no_rnd_pixels8_xy2_iwmmxt;
+}