diff options
Diffstat (limited to 'pjmedia/src/pjmedia-codec/speex/vq_bfin.h')
| -rw-r--r-- | pjmedia/src/pjmedia-codec/speex/vq_bfin.h | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/pjmedia/src/pjmedia-codec/speex/vq_bfin.h b/pjmedia/src/pjmedia-codec/speex/vq_bfin.h deleted file mode 100644 index 2cc9ea5f..00000000 --- a/pjmedia/src/pjmedia-codec/speex/vq_bfin.h +++ /dev/null @@ -1,107 +0,0 @@ -/* Copyright (C) 2005 Analog Devices */ -/** - @file vq_bfin.h - @author Jean-Marc Valin - @brief Blackfin-optimized vq routine -*/ -/* - 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_VQ_NBEST -void vq_nbest(spx_word16_t *in, const spx_word16_t *codebook, int len, int entries, spx_word32_t *E, int N, int *nbest, spx_word32_t *best_dist, char *stack) -{ - if (N==1) - { - best_dist[0] = 2147483647; - { - spx_word32_t dist; - __asm__ __volatile__ - ( - "LC0 = %8;\n\t" - "R2 = 0;\n\t" - "I0 = %6;\n\t" - "B0 = %6;\n\t" - "L0 = %9;\n\t" - "LOOP entries_loop%= LC0;\n\t" - "LOOP_BEGIN entries_loop%=;\n\t" - "%0 = [%4++];\n\t" - "%0 >>= 1;\n\t" - "A0 = %0;\n\t" - "R0.L = W[%1++%7] || R1.L = W[I0++];\n\t" - "LOOP vq_loop%= LC1 = %5;\n\t" - "LOOP_BEGIN vq_loop%=;\n\t" - "%0 = (A0 -= R0.L*R1.L) (IS) || R0.L = W[%1++%7] || R1.L = W[I0++];\n\t" - "LOOP_END vq_loop%=;\n\t" - "%0 = (A0 -= R0.L*R1.L) (IS);\n\t" - "cc = %0 < %2;\n\t" - "if cc %2 = %0;\n\t" - "if cc %3 = R2;\n\t" - "R2 += 1;\n\t" - "LOOP_END entries_loop%=;\n\t" - : "=&D" (dist), "=&a" (codebook), "=&d" (best_dist[0]), "=&d" (nbest[0]), "=&a" (E) - : "a" (len-1), "a" (in), "a" (2), "d" (entries), "d" (len<<1), "1" (codebook), "4" (E), "2" (best_dist[0]), "3" (nbest[0]) - : "R0", "R1", "R2", "I0", "L0", "B0", "A0", "cc", "memory" - ); - } - } else { - int i,k,used; - used = 0; - for (i=0;i<entries;i++) - { - spx_word32_t dist; - __asm__ - ( - "%0 >>= 1;\n\t" - "A0 = %0;\n\t" - "I0 = %3;\n\t" - "L0 = 0;\n\t" - "R0.L = W[%1++%4] || R1.L = W[I0++];\n\t" - "LOOP vq_loop%= LC0 = %2;\n\t" - "LOOP_BEGIN vq_loop%=;\n\t" - "%0 = (A0 -= R0.L*R1.L) (IS) || R0.L = W[%1++%4] || R1.L = W[I0++];\n\t" - "LOOP_END vq_loop%=;\n\t" - "%0 = (A0 -= R0.L*R1.L) (IS);\n\t" - : "=D" (dist), "=a" (codebook) - : "a" (len-1), "a" (in), "a" (2), "1" (codebook), "0" (E[i]) - : "R0", "R1", "I0", "L0", "A0" - ); - if (i<N || dist<best_dist[N-1]) - { - for (k=N-1; (k >= 1) && (k > used || dist < best_dist[k-1]); k--) - { - best_dist[k]=best_dist[k-1]; - nbest[k] = nbest[k-1]; - } - best_dist[k]=dist; - nbest[k]=i; - used++; - } - } - } -} |