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Diffstat (limited to 'apps/codecs/libspeex/filters_arm4.h')
-rw-r--r-- | apps/codecs/libspeex/filters_arm4.h | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/apps/codecs/libspeex/filters_arm4.h b/apps/codecs/libspeex/filters_arm4.h deleted file mode 100644 index 18c2a7d448..0000000000 --- a/apps/codecs/libspeex/filters_arm4.h +++ /dev/null @@ -1,96 +0,0 @@ -/* 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, spx_sig_t max_scale, int len) -{ - 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" - "\tcmp %4, %1 \n" - "\tmovgt %1, %4 \n" - "\tcmp %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", "memory"); - - 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; -} - |