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-rw-r--r--pjmedia/src/pjmedia-codec/speex/filters_arm4.h379
1 files changed, 379 insertions, 0 deletions
diff --git a/pjmedia/src/pjmedia-codec/speex/filters_arm4.h b/pjmedia/src/pjmedia-codec/speex/filters_arm4.h
new file mode 100644
index 00000000..b2503649
--- /dev/null
+++ b/pjmedia/src/pjmedia-codec/speex/filters_arm4.h
@@ -0,0 +1,379 @@
+/* Copyright (C) 2004 Jean-Marc Valin */
+/**
+ @file filters_arm4.h
+ @brief Various analysis/synthesis filters (ARM4 version)
+*/
+/*
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ - Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+ - Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ - Neither the name of the Xiph.org Foundation nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
+ CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#define OVERRIDE_NORMALIZE16
+int normalize16(const spx_sig_t *x, spx_word16_t *y, int max_scale, int len)
+{
+ int i;
+ spx_sig_t max_val=1;
+ int sig_shift;
+ int dead1, dead2, dead3, dead4, dead5, dead6;
+
+ __asm__ __volatile__ (
+ "\tmov %1, #1 \n"
+ "\tmov %3, #0 \n"
+
+ ".normalize16loop1%=: \n"
+
+ "\tldr %4, [%0], #4 \n"
+ "\tcmps %4, %1 \n"
+ "\tmovgt %1, %4 \n"
+ "\tcmps %4, %3 \n"
+ "\tmovlt %3, %4 \n"
+
+ "\tsubs %2, %2, #1 \n"
+ "\tbne .normalize16loop1%=\n"
+
+ "\trsb %3, %3, #0 \n"
+ "\tcmp %1, %3 \n"
+ "\tmovlt %1, %3 \n"
+ : "=r" (dead1), "=r" (max_val), "=r" (dead3), "=r" (dead4),
+ "=r" (dead5), "=r" (dead6)
+ : "0" (x), "2" (len)
+ : "cc");
+
+ sig_shift=0;
+ while (max_val>max_scale)
+ {
+ sig_shift++;
+ max_val >>= 1;
+ }
+
+ __asm__ __volatile__ (
+ ".normalize16loop%=: \n"
+
+ "\tldr %4, [%0], #4 \n"
+ "\tldr %5, [%0], #4 \n"
+ "\tmov %4, %4, asr %3 \n"
+ "\tstrh %4, [%1], #2 \n"
+ "\tldr %4, [%0], #4 \n"
+ "\tmov %5, %5, asr %3 \n"
+ "\tstrh %5, [%1], #2 \n"
+ "\tldr %5, [%0], #4 \n"
+ "\tmov %4, %4, asr %3 \n"
+ "\tstrh %4, [%1], #2 \n"
+ "\tsubs %2, %2, #1 \n"
+ "\tmov %5, %5, asr %3 \n"
+ "\tstrh %5, [%1], #2 \n"
+
+ "\tbge .normalize16loop%=\n"
+ : "=r" (dead1), "=r" (dead2), "=r" (dead3), "=r" (dead4),
+ "=r" (dead5), "=r" (dead6)
+ : "0" (x), "1" (y), "2" (len>>2), "3" (sig_shift)
+ : "cc", "memory");
+ return sig_shift;
+}
+
+#define OVERRIDE_FILTER_MEM2
+void filter_mem2(const spx_sig_t *x, const spx_coef_t *num, const spx_coef_t *den, spx_sig_t *y, int N, int ord, spx_mem_t *mem)
+{
+ int i,j;
+ spx_sig_t xi,yi,nyi;
+
+ for (i=0;i<N;i++)
+ {
+ int deadm, deadn, deadd, deadidx, x1, y1, dead1, dead2, dead3, dead4, dead5, dead6;
+ xi=SATURATE(x[i],805306368);
+ yi = SATURATE(ADD32(xi, SHL(mem[0],2)),805306368);
+ nyi = -yi;
+ y[i] = yi;
+ __asm__ __volatile__ (
+ "\tldrsh %6, [%1], #2\n"
+ "\tsmull %8, %9, %4, %6\n"
+#ifdef SHORTCUTS
+ "\tldrsh %6, [%2], #2\n"
+ "\tldr %10, [%0, #4]\n"
+ "\tmov %8, %8, lsr #15\n"
+ "\tsmull %7, %11, %5, %6\n"
+ "\tldrsh %6, [%1], #2\n"
+ "\tadd %8, %8, %9, lsl #17\n"
+ "\tadd %10, %10, %8\n"
+ "\tsmull %8, %9, %4, %6\n"
+ "\tadd %10, %10, %7, lsr #15\n"
+ "\tadd %10, %10, %11, lsl #17\n"
+ "\tstr %10, [%0], #4 \n"
+
+ "\tldrsh %6, [%2], #2\n"
+ "\tldr %10, [%0, #4]\n"
+ "\tmov %8, %8, lsr #15\n"
+ "\tsmull %7, %11, %5, %6\n"
+ "\tldrsh %6, [%1], #2\n"
+ "\tadd %8, %8, %9, lsl #17\n"
+ "\tadd %10, %10, %8\n"
+ "\tsmull %8, %9, %4, %6\n"
+ "\tadd %10, %10, %7, lsr #15\n"
+ "\tadd %10, %10, %11, lsl #17\n"
+ "\tstr %10, [%0], #4 \n"
+
+ "\tldrsh %6, [%2], #2\n"
+ "\tldr %10, [%0, #4]\n"
+ "\tmov %8, %8, lsr #15\n"
+ "\tsmull %7, %11, %5, %6\n"
+ "\tldrsh %6, [%1], #2\n"
+ "\tadd %8, %8, %9, lsl #17\n"
+ "\tadd %10, %10, %8\n"
+ "\tsmull %8, %9, %4, %6\n"
+ "\tadd %10, %10, %7, lsr #15\n"
+ "\tadd %10, %10, %11, lsl #17\n"
+ "\tstr %10, [%0], #4 \n"
+
+ "\tldrsh %6, [%2], #2\n"
+ "\tldr %10, [%0, #4]\n"
+ "\tmov %8, %8, lsr #15\n"
+ "\tsmull %7, %11, %5, %6\n"
+ "\tldrsh %6, [%1], #2\n"
+ "\tadd %8, %8, %9, lsl #17\n"
+ "\tadd %10, %10, %8\n"
+ "\tsmull %8, %9, %4, %6\n"
+ "\tadd %10, %10, %7, lsr #15\n"
+ "\tadd %10, %10, %11, lsl #17\n"
+ "\tstr %10, [%0], #4 \n"
+
+ "\tldrsh %6, [%2], #2\n"
+ "\tldr %10, [%0, #4]\n"
+ "\tmov %8, %8, lsr #15\n"
+ "\tsmull %7, %11, %5, %6\n"
+ "\tldrsh %6, [%1], #2\n"
+ "\tadd %8, %8, %9, lsl #17\n"
+ "\tadd %10, %10, %8\n"
+ "\tsmull %8, %9, %4, %6\n"
+ "\tadd %10, %10, %7, lsr #15\n"
+ "\tadd %10, %10, %11, lsl #17\n"
+ "\tstr %10, [%0], #4 \n"
+
+ "\tldrsh %6, [%2], #2\n"
+ "\tldr %10, [%0, #4]\n"
+ "\tmov %8, %8, lsr #15\n"
+ "\tsmull %7, %11, %5, %6\n"
+ "\tldrsh %6, [%1], #2\n"
+ "\tadd %8, %8, %9, lsl #17\n"
+ "\tadd %10, %10, %8\n"
+ "\tsmull %8, %9, %4, %6\n"
+ "\tadd %10, %10, %7, lsr #15\n"
+ "\tadd %10, %10, %11, lsl #17\n"
+ "\tstr %10, [%0], #4 \n"
+
+ "\tldrsh %6, [%2], #2\n"
+ "\tldr %10, [%0, #4]\n"
+ "\tmov %8, %8, lsr #15\n"
+ "\tsmull %7, %11, %5, %6\n"
+ "\tldrsh %6, [%1], #2\n"
+ "\tadd %8, %8, %9, lsl #17\n"
+ "\tadd %10, %10, %8\n"
+ "\tsmull %8, %9, %4, %6\n"
+ "\tadd %10, %10, %7, lsr #15\n"
+ "\tadd %10, %10, %11, lsl #17\n"
+ "\tstr %10, [%0], #4 \n"
+
+ "\tldrsh %6, [%2], #2\n"
+ "\tldr %10, [%0, #4]\n"
+ "\tmov %8, %8, lsr #15\n"
+ "\tsmull %7, %11, %5, %6\n"
+ "\tldrsh %6, [%1], #2\n"
+ "\tadd %8, %8, %9, lsl #17\n"
+ "\tadd %10, %10, %8\n"
+ "\tsmull %8, %9, %4, %6\n"
+ "\tadd %10, %10, %7, lsr #15\n"
+ "\tadd %10, %10, %11, lsl #17\n"
+ "\tstr %10, [%0], #4 \n"
+
+ "\tldrsh %6, [%2], #2\n"
+ "\tldr %10, [%0, #4]\n"
+ "\tmov %8, %8, lsr #15\n"
+ "\tsmull %7, %11, %5, %6\n"
+ "\tldrsh %6, [%1], #2\n"
+ "\tadd %8, %8, %9, lsl #17\n"
+ "\tadd %10, %10, %8\n"
+ "\tsmull %8, %9, %4, %6\n"
+ "\tadd %10, %10, %7, lsr #15\n"
+ "\tadd %10, %10, %11, lsl #17\n"
+ "\tstr %10, [%0], #4 \n"
+
+
+#else
+ ".filterloop%=: \n"
+ "\tldrsh %6, [%2], #2\n"
+ "\tldr %10, [%0, #4]\n"
+ "\tmov %8, %8, lsr #15\n"
+ "\tsmull %7, %11, %5, %6\n"
+ "\tadd %8, %8, %9, lsl #17\n"
+ "\tldrsh %6, [%1], #2\n"
+ "\tadd %10, %10, %8\n"
+ "\tsmull %8, %9, %4, %6\n"
+ "\tadd %10, %10, %7, lsr #15\n"
+ "\tsubs %3, %3, #1\n"
+ "\tadd %10, %10, %11, lsl #17\n"
+ "\tstr %10, [%0], #4 \n"
+ "\t bne .filterloop%=\n"
+#endif
+ "\tmov %8, %8, lsr #15\n"
+ "\tadd %10, %8, %9, lsl #17\n"
+ "\tldrsh %6, [%2], #2\n"
+ "\tsmull %8, %9, %5, %6\n"
+ "\tadd %10, %10, %8, lsr #15\n"
+ "\tadd %10, %10, %9, lsl #17\n"
+ "\tstr %10, [%0], #4 \n"
+
+ : "=r" (deadm), "=r" (deadn), "=r" (deadd), "=r" (deadidx),
+ "=r" (xi), "=r" (nyi), "=r" (dead1), "=r" (dead2),
+ "=r" (dead3), "=r" (dead4), "=r" (dead5), "=r" (dead6)
+ : "0" (mem), "1" (num), "2" (den), "3" (ord-1), "4" (xi), "5" (nyi)
+ : "cc", "memory");
+
+ }
+}
+
+#define OVERRIDE_IIR_MEM2
+void iir_mem2(const spx_sig_t *x, const spx_coef_t *den, spx_sig_t *y, int N, int ord, spx_mem_t *mem)
+{
+ int i,j;
+ spx_sig_t xi,yi,nyi;
+
+ for (i=0;i<N;i++)
+ {
+ int deadm, deadd, deadidx, dead1, dead2, dead3, dead4, dead5, dead6;
+ xi=SATURATE(x[i],805306368);
+ yi = SATURATE(ADD32(xi, SHL(mem[0],2)),805306368);
+ nyi = -yi;
+ y[i] = yi;
+ __asm__ __volatile__ (
+ "\tldrsh %4, [%1], #2\n"
+ "\tsmull %5, %6, %3, %4\n"
+
+#ifdef SHORTCUTS
+
+ "\tldrsh %4, [%1], #2\n"
+ "\tmov %5, %5, lsr #15\n"
+ "\tldr %7, [%0, #4]\n"
+ "\tadd %8, %5, %6, lsl #17\n"
+ "\tsmull %5, %6, %3, %4\n"
+ "\tadd %7, %7, %8\n"
+ "\tstr %7, [%0], #4 \n"
+
+
+ "\tldrsh %4, [%1], #2\n"
+ "\tmov %5, %5, lsr #15\n"
+ "\tldr %9, [%0, #4]\n"
+ "\tadd %8, %5, %6, lsl #17\n"
+ "\tsmull %5, %6, %3, %4\n"
+ "\tadd %9, %9, %8\n"
+ "\tstr %9, [%0], #4 \n"
+
+ "\tldrsh %4, [%1], #2\n"
+ "\tmov %5, %5, lsr #15\n"
+ "\tldr %7, [%0, #4]\n"
+ "\tadd %8, %5, %6, lsl #17\n"
+ "\tsmull %5, %6, %3, %4\n"
+ "\tadd %7, %7, %8\n"
+ "\tstr %7, [%0], #4 \n"
+
+
+ "\tldrsh %4, [%1], #2\n"
+ "\tmov %5, %5, lsr #15\n"
+ "\tldr %9, [%0, #4]\n"
+ "\tadd %8, %5, %6, lsl #17\n"
+ "\tsmull %5, %6, %3, %4\n"
+ "\tadd %9, %9, %8\n"
+ "\tstr %9, [%0], #4 \n"
+
+ "\tldrsh %4, [%1], #2\n"
+ "\tmov %5, %5, lsr #15\n"
+ "\tldr %7, [%0, #4]\n"
+ "\tadd %8, %5, %6, lsl #17\n"
+ "\tsmull %5, %6, %3, %4\n"
+ "\tadd %7, %7, %8\n"
+ "\tstr %7, [%0], #4 \n"
+
+
+ "\tldrsh %4, [%1], #2\n"
+ "\tmov %5, %5, lsr #15\n"
+ "\tldr %9, [%0, #4]\n"
+ "\tadd %8, %5, %6, lsl #17\n"
+ "\tsmull %5, %6, %3, %4\n"
+ "\tadd %9, %9, %8\n"
+ "\tstr %9, [%0], #4 \n"
+
+ "\tldrsh %4, [%1], #2\n"
+ "\tmov %5, %5, lsr #15\n"
+ "\tldr %7, [%0, #4]\n"
+ "\tadd %8, %5, %6, lsl #17\n"
+ "\tsmull %5, %6, %3, %4\n"
+ "\tadd %7, %7, %8\n"
+ "\tstr %7, [%0], #4 \n"
+
+
+ "\tldrsh %4, [%1], #2\n"
+ "\tmov %5, %5, lsr #15\n"
+ "\tldr %9, [%0, #4]\n"
+ "\tadd %8, %5, %6, lsl #17\n"
+ "\tsmull %5, %6, %3, %4\n"
+ "\tadd %9, %9, %8\n"
+ "\tstr %9, [%0], #4 \n"
+
+ "\tldrsh %4, [%1], #2\n"
+ "\tmov %5, %5, lsr #15\n"
+ "\tldr %7, [%0, #4]\n"
+ "\tadd %8, %5, %6, lsl #17\n"
+ "\tsmull %5, %6, %3, %4\n"
+ "\tadd %7, %7, %8\n"
+ "\tstr %7, [%0], #4 \n"
+
+
+
+#else
+ ".iirloop%=: \n"
+ "\tldr %7, [%0, #4]\n"
+
+ "\tldrsh %4, [%1], #2\n"
+ "\tmov %5, %5, lsr #15\n"
+ "\tadd %8, %5, %6, lsl #17\n"
+ "\tsmull %5, %6, %3, %4\n"
+ "\tadd %7, %7, %8\n"
+ "\tstr %7, [%0], #4 \n"
+ "\tsubs %2, %2, #1\n"
+ "\t bne .iirloop%=\n"
+
+#endif
+ "\tmov %5, %5, lsr #15\n"
+ "\tadd %7, %5, %6, lsl #17\n"
+ "\tstr %7, [%0], #4 \n"
+
+ : "=r" (deadm), "=r" (deadd), "=r" (deadidx), "=r" (nyi),
+ "=r" (dead1), "=r" (dead2), "=r" (dead3), "=r" (dead4),
+ "=r" (dead5), "=r" (dead6)
+ : "0" (mem), "1" (den), "2" (ord-1), "3" (nyi)
+ : "cc", "memory");
+
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-13 13:54:34 +0000