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Viewing changes to libavcodec/arm/mlpdsp_init_arm.c

  • Committer: Package Import Robot
  • Author(s): Reinhard Tartler
  • Date: 2014-08-10 09:45:02 UTC
  • mfrom: (1.1.28) (2.1.45 sid)
  • Revision ID: package-import@ubuntu.com-20140810094502-p8pds4kq0zpig5oq
Tags: 6:11~alpha1-1
http://bugs.debian.org/749164
* New upstream Release v11
  - Fixes Unchecked conversion from double to enum (Closes: #749164)
* Add some post v11_alpha1 patches from upstream
* All SONAMEs bumped because of internal changes, but external API is
  promised to have not changed

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libavcodec/arm/mlpdsp_init_arm.c
 
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/*
 
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 * Copyright (c) 2014 RISC OS Open Ltd
 
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 * Author: Ben Avison <bavison@riscosopen.org>
 
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 *
 
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 * This file is part of Libav.
 
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 *
 
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 * Libav is free software; you can redistribute it and/or
 
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 * modify it under the terms of the GNU Lesser General Public
 
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 * License as published by the Free Software Foundation; either
 
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 * version 2.1 of the License, or (at your option) any later version.
 
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 *
 
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 * Libav is distributed in the hope that it will be useful,
 
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 
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 * Lesser General Public License for more details.
 
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 *
 
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 * You should have received a copy of the GNU Lesser General Public
 
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 * License along with Libav; if not, write to the Free Software
 
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
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 */
 
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#include <stdint.h>
 
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#include "libavutil/arm/cpu.h"
 
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#include "libavutil/attributes.h"
 
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#include "libavcodec/mlpdsp.h"
 
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void ff_mlp_filter_channel_arm(int32_t *state, const int32_t *coeff,
 
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                               int firorder, int iirorder,
 
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                               unsigned int filter_shift, int32_t mask,
 
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                               int blocksize, int32_t *sample_buffer);
 
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void ff_mlp_rematrix_channel_arm(int32_t *samples,
 
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                                 const int32_t *coeffs,
 
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                                 const uint8_t *bypassed_lsbs,
 
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                                 const int8_t *noise_buffer,
 
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                                 int index,
 
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                                 unsigned int dest_ch,
 
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                                 uint16_t blockpos,
 
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                                 unsigned int maxchan,
 
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                                 int matrix_noise_shift,
 
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                                 int access_unit_size_pow2,
 
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                                 int32_t mask);
 
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#define DECLARE_PACK(order,channels,shift) \
 
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    int32_t ff_mlp_pack_output_##order##order_##channels##ch_##shift##shift_armv6(int32_t, uint16_t, int32_t (*)[], void *, uint8_t*, int8_t *, uint8_t, int);
 
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#define ENUMERATE_PACK(order,channels,shift) \
 
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    ff_mlp_pack_output_##order##order_##channels##ch_##shift##shift_armv6,
 
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#define PACK_CHANNELS(macro,order,channels) \
 
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        macro(order,channels,0) \
 
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        macro(order,channels,1) \
 
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        macro(order,channels,2) \
 
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        macro(order,channels,3) \
 
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        macro(order,channels,4) \
 
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        macro(order,channels,5) \
 
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        macro(order,channels,mixed)
 
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#define PACK_ORDER(macro,order) \
 
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        PACK_CHANNELS(macro,order,2) \
 
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        PACK_CHANNELS(macro,order,6) \
 
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        PACK_CHANNELS(macro,order,8)
 
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#define PACK_ALL(macro) \
 
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        PACK_ORDER(macro,outof) \
 
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        PACK_ORDER(macro,in)
 
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PACK_ALL(DECLARE_PACK)
 
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#define ff_mlp_pack_output_outoforder_2ch_mixedshift_armv6 0
 
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#define ff_mlp_pack_output_outoforder_6ch_mixedshift_armv6 0
 
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#define ff_mlp_pack_output_outoforder_8ch_mixedshift_armv6 0
 
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#if CONFIG_THUMB
 
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#define ff_mlp_pack_output_outoforder_2ch_0shift_armv6 0
 
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#define ff_mlp_pack_output_outoforder_2ch_1shift_armv6 0
 
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#define ff_mlp_pack_output_outoforder_2ch_2shift_armv6 0
 
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#define ff_mlp_pack_output_outoforder_2ch_3shift_armv6 0
 
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#define ff_mlp_pack_output_outoforder_2ch_4shift_armv6 0
 
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#define ff_mlp_pack_output_outoforder_2ch_5shift_armv6 0
 
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#define ff_mlp_pack_output_outoforder_6ch_0shift_armv6 0
 
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#define ff_mlp_pack_output_outoforder_6ch_1shift_armv6 0
 
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#define ff_mlp_pack_output_outoforder_6ch_2shift_armv6 0
 
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#define ff_mlp_pack_output_outoforder_6ch_3shift_armv6 0
 
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#define ff_mlp_pack_output_outoforder_6ch_4shift_armv6 0
 
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#define ff_mlp_pack_output_outoforder_6ch_5shift_armv6 0
 
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#define ff_mlp_pack_output_outoforder_8ch_0shift_armv6 0
 
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#define ff_mlp_pack_output_outoforder_8ch_1shift_armv6 0
 
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#define ff_mlp_pack_output_outoforder_8ch_2shift_armv6 0
 
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#define ff_mlp_pack_output_outoforder_8ch_3shift_armv6 0
 
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#define ff_mlp_pack_output_outoforder_8ch_4shift_armv6 0
 
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#define ff_mlp_pack_output_outoforder_8ch_5shift_armv6 0
 
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#endif
 
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static int32_t (*mlp_select_pack_output_armv6(uint8_t *ch_assign,
 
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                                              int8_t *output_shift,
 
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                                              uint8_t max_matrix_channel,
 
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                                              int is32))(int32_t, uint16_t, int32_t (*)[], void *, uint8_t*, int8_t *, uint8_t, int)
 
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{
 
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    int ch_index;
 
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    int shift = output_shift[0] < 0 || output_shift[0] > 5 ? 6 : output_shift[0];
 
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    int inorder = 1;
 
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    static int32_t (*const routine[2*3*7])(int32_t, uint16_t, int32_t (*)[], void *, uint8_t*, int8_t *, uint8_t, int) = {
 
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            PACK_ALL(ENUMERATE_PACK)
 
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    };
 
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    int i;
 
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    if (!is32) // don't support 16-bit output (it's not used by TrueHD)
 
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        return ff_mlp_pack_output;
 
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    switch (max_matrix_channel) {
 
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    case 1:
 
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        ch_index = 0;
 
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        break;
 
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    case 5:
 
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        ch_index = 1;
 
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        break;
 
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    case 7:
 
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        ch_index = 2;
 
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        break;
 
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    default:
 
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        return ff_mlp_pack_output;
 
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    }
 
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    for (i = 0; i <= max_matrix_channel; i++) {
 
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        if (shift != 6 && output_shift[i] != shift)
 
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            shift = 6; // indicate mixed shifts
 
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        if (ch_assign[i] != i)
 
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            inorder = 0;
 
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    }
 
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#if CONFIG_THUMB
 
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    if (!inorder)
 
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        return ff_mlp_pack_output; // can't currently handle an order array except in ARM mode
 
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#else
 
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    if (shift == 6 && !inorder)
 
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        return ff_mlp_pack_output; // can't currently handle both an order array and a shift array
 
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#endif
 
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    return routine[(inorder*3+ch_index)*7+shift];
 
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}
 
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av_cold void ff_mlpdsp_init_arm(MLPDSPContext *c)
 
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{
 
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    int cpu_flags = av_get_cpu_flags();
 
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    if (have_armv5te(cpu_flags)) {
 
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        c->mlp_filter_channel = ff_mlp_filter_channel_arm;
 
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        c->mlp_rematrix_channel = ff_mlp_rematrix_channel_arm;
 
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    }
 
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    if (have_armv6(cpu_flags))
 
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        c->mlp_select_pack_output = mlp_select_pack_output_armv6;
 
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}