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/*
* Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
*
* 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
*/
#include <stdint.h>
#include "libavutil/attributes.h"
#include "libavutil/arm/cpu.h"
#include "libavcodec/avcodec.h"
#include "libavcodec/h264pred.h"
void ff_pred16x16_vert_neon(uint8_t *src, ptrdiff_t stride);
void ff_pred16x16_hor_neon(uint8_t *src, ptrdiff_t stride);
void ff_pred16x16_plane_neon(uint8_t *src, ptrdiff_t stride);
void ff_pred16x16_dc_neon(uint8_t *src, ptrdiff_t stride);
void ff_pred16x16_128_dc_neon(uint8_t *src, ptrdiff_t stride);
void ff_pred16x16_left_dc_neon(uint8_t *src, ptrdiff_t stride);
void ff_pred16x16_top_dc_neon(uint8_t *src, ptrdiff_t stride);
void ff_pred8x8_vert_neon(uint8_t *src, ptrdiff_t stride);
void ff_pred8x8_hor_neon(uint8_t *src, ptrdiff_t stride);
void ff_pred8x8_plane_neon(uint8_t *src, ptrdiff_t stride);
void ff_pred8x8_dc_neon(uint8_t *src, ptrdiff_t stride);
void ff_pred8x8_128_dc_neon(uint8_t *src, ptrdiff_t stride);
void ff_pred8x8_left_dc_neon(uint8_t *src, ptrdiff_t stride);
void ff_pred8x8_top_dc_neon(uint8_t *src, ptrdiff_t stride);
void ff_pred8x8_l0t_dc_neon(uint8_t *src, ptrdiff_t stride);
void ff_pred8x8_0lt_dc_neon(uint8_t *src, ptrdiff_t stride);
void ff_pred8x8_l00_dc_neon(uint8_t *src, ptrdiff_t stride);
void ff_pred8x8_0l0_dc_neon(uint8_t *src, ptrdiff_t stride);
static av_cold void h264_pred_init_neon(H264PredContext *h, int codec_id,
const int bit_depth,
const int chroma_format_idc)
{
#if HAVE_NEON
const int high_depth = bit_depth > 8;
if (high_depth)
return;
if (chroma_format_idc <= 1) {
h->pred8x8[VERT_PRED8x8 ] = ff_pred8x8_vert_neon;
h->pred8x8[HOR_PRED8x8 ] = ff_pred8x8_hor_neon;
if (codec_id != AV_CODEC_ID_VP7 && codec_id != AV_CODEC_ID_VP8)
h->pred8x8[PLANE_PRED8x8] = ff_pred8x8_plane_neon;
h->pred8x8[DC_128_PRED8x8 ] = ff_pred8x8_128_dc_neon;
if (codec_id != AV_CODEC_ID_RV40 && codec_id != AV_CODEC_ID_VP7 &&
codec_id != AV_CODEC_ID_VP8) {
h->pred8x8[DC_PRED8x8 ] = ff_pred8x8_dc_neon;
h->pred8x8[LEFT_DC_PRED8x8] = ff_pred8x8_left_dc_neon;
h->pred8x8[TOP_DC_PRED8x8 ] = ff_pred8x8_top_dc_neon;
h->pred8x8[ALZHEIMER_DC_L0T_PRED8x8] = ff_pred8x8_l0t_dc_neon;
h->pred8x8[ALZHEIMER_DC_0LT_PRED8x8] = ff_pred8x8_0lt_dc_neon;
h->pred8x8[ALZHEIMER_DC_L00_PRED8x8] = ff_pred8x8_l00_dc_neon;
h->pred8x8[ALZHEIMER_DC_0L0_PRED8x8] = ff_pred8x8_0l0_dc_neon;
}
}
h->pred16x16[DC_PRED8x8 ] = ff_pred16x16_dc_neon;
h->pred16x16[VERT_PRED8x8 ] = ff_pred16x16_vert_neon;
h->pred16x16[HOR_PRED8x8 ] = ff_pred16x16_hor_neon;
h->pred16x16[LEFT_DC_PRED8x8] = ff_pred16x16_left_dc_neon;
h->pred16x16[TOP_DC_PRED8x8 ] = ff_pred16x16_top_dc_neon;
h->pred16x16[DC_128_PRED8x8 ] = ff_pred16x16_128_dc_neon;
if (codec_id != AV_CODEC_ID_SVQ3 && codec_id != AV_CODEC_ID_RV40 &&
codec_id != AV_CODEC_ID_VP7 && codec_id != AV_CODEC_ID_VP8)
h->pred16x16[PLANE_PRED8x8 ] = ff_pred16x16_plane_neon;
#endif // HAVE_NEON
}
av_cold void ff_h264_pred_init_arm(H264PredContext *h, int codec_id,
int bit_depth, const int chroma_format_idc)
{
int cpu_flags = av_get_cpu_flags();
if (have_neon(cpu_flags))
h264_pred_init_neon(h, codec_id, bit_depth, chroma_format_idc);
}
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