diff options
Diffstat (limited to 'ffmpeg/libavcodec/mips/lsp_mips.h')
| -rw-r--r-- | ffmpeg/libavcodec/mips/lsp_mips.h | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/ffmpeg/libavcodec/mips/lsp_mips.h b/ffmpeg/libavcodec/mips/lsp_mips.h deleted file mode 100644 index c55ef03..0000000 --- a/ffmpeg/libavcodec/mips/lsp_mips.h +++ /dev/null @@ -1,109 +0,0 @@ -/* - * Copyright (c) 2012 - * MIPS Technologies, Inc., California. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. 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. - * 3. Neither the name of the MIPS Technologies, Inc., 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 MIPS TECHNOLOGIES, INC. ``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 MIPS TECHNOLOGIES, INC. 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. - * - * Author: Nedeljko Babic (nbabic@mips.com) - * - * LSP routines for ACELP-based codecs optimized for MIPS - * - * 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 - */ - -/** - * @file - * Reference: libavcodec/lsp.c - */ -#ifndef AVCODEC_LSP_MIPS_H -#define AVCODEC_LSP_MIPS_H - -#if HAVE_MIPSFPU && HAVE_INLINE_ASM -static av_always_inline void ff_lsp2polyf_mips(const double *lsp, double *f, int lp_half_order) -{ - int i, j = 0; - double * p_fi = f; - double * p_f = 0; - - f[0] = 1.0; - f[1] = -2 * lsp[0]; - lsp -= 2; - - for(i=2; i<=lp_half_order; i++) - { - double tmp, f_j_2, f_j_1, f_j; - double val = lsp[2*i]; - - __asm__ volatile( - "move %[p_f], %[p_fi] \n\t" - "add.d %[val], %[val], %[val] \n\t" - "addiu %[p_fi], 8 \n\t" - "ldc1 %[f_j_1], 0(%[p_f]) \n\t" - "ldc1 %[f_j], 8(%[p_f]) \n\t" - "neg.d %[val], %[val] \n\t" - "add.d %[tmp], %[f_j_1], %[f_j_1] \n\t" - "madd.d %[tmp], %[tmp], %[f_j], %[val] \n\t" - "addiu %[j], %[i], -2 \n\t" - "ldc1 %[f_j_2], -8(%[p_f]) \n\t" - "sdc1 %[tmp], 16(%[p_f]) \n\t" - "beqz %[j], ff_lsp2polyf_lp_j_end%= \n\t" - "ff_lsp2polyf_lp_j%=: \n\t" - "add.d %[tmp], %[f_j], %[f_j_2] \n\t" - "madd.d %[tmp], %[tmp], %[f_j_1], %[val] \n\t" - "mov.d %[f_j], %[f_j_1] \n\t" - "addiu %[j], -1 \n\t" - "mov.d %[f_j_1], %[f_j_2] \n\t" - "ldc1 %[f_j_2], -16(%[p_f]) \n\t" - "sdc1 %[tmp], 8(%[p_f]) \n\t" - "addiu %[p_f], -8 \n\t" - "bgtz %[j], ff_lsp2polyf_lp_j%= \n\t" - "ff_lsp2polyf_lp_j_end%=: \n\t" - - : [f_j_2]"=&f"(f_j_2), [f_j_1]"=&f"(f_j_1), [val]"+f"(val), - [tmp]"=&f"(tmp), [f_j]"=&f"(f_j), [p_f]"+r"(p_f), - [j]"+r"(j), [p_fi]"+r"(p_fi) - : [i]"r"(i) - : "memory" - ); - f[1] += val; - } -} -#define ff_lsp2polyf ff_lsp2polyf_mips -#endif /* HAVE_MIPSFPU && HAVE_INLINE_ASM */ -#endif /* AVCODEC_LSP_MIPS_H */ |