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-rw-r--r--media/ffvpx/libavcodec/h264dsp.h135
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diff --git a/media/ffvpx/libavcodec/h264dsp.h b/media/ffvpx/libavcodec/h264dsp.h
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+/*
+ * Copyright (c) 2003-2010 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * 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
+ * H.264 DSP functions.
+ * @author Michael Niedermayer <michaelni@gmx.at>
+ */
+
+#ifndef AVCODEC_H264DSP_H
+#define AVCODEC_H264DSP_H
+
+#include <stdint.h>
+#include <stddef.h>
+
+typedef void (*h264_weight_func)(uint8_t *block, ptrdiff_t stride, int height,
+ int log2_denom, int weight, int offset);
+typedef void (*h264_biweight_func)(uint8_t *dst, uint8_t *src,
+ ptrdiff_t stride, int height, int log2_denom,
+ int weightd, int weights, int offset);
+
+/**
+ * Context for storing H.264 DSP functions
+ */
+typedef struct H264DSPContext {
+ /* weighted MC */
+ h264_weight_func weight_h264_pixels_tab[4];
+ h264_biweight_func biweight_h264_pixels_tab[4];
+
+ /* loop filter */
+ void (*h264_v_loop_filter_luma)(uint8_t *pix /*align 16*/, ptrdiff_t stride,
+ int alpha, int beta, int8_t *tc0);
+ void (*h264_h_loop_filter_luma)(uint8_t *pix /*align 4 */, ptrdiff_t stride,
+ int alpha, int beta, int8_t *tc0);
+ void (*h264_h_loop_filter_luma_mbaff)(uint8_t *pix /*align 16*/, ptrdiff_t stride,
+ int alpha, int beta, int8_t *tc0);
+ /* v/h_loop_filter_luma_intra: align 16 */
+ void (*h264_v_loop_filter_luma_intra)(uint8_t *pix, ptrdiff_t stride,
+ int alpha, int beta);
+ void (*h264_h_loop_filter_luma_intra)(uint8_t *pix, ptrdiff_t stride,
+ int alpha, int beta);
+ void (*h264_h_loop_filter_luma_mbaff_intra)(uint8_t *pix /*align 16*/,
+ ptrdiff_t stride, int alpha, int beta);
+ void (*h264_v_loop_filter_chroma)(uint8_t *pix /*align 8*/, ptrdiff_t stride,
+ int alpha, int beta, int8_t *tc0);
+ void (*h264_h_loop_filter_chroma)(uint8_t *pix /*align 4*/, ptrdiff_t stride,
+ int alpha, int beta, int8_t *tc0);
+ void (*h264_h_loop_filter_chroma_mbaff)(uint8_t *pix /*align 8*/,
+ ptrdiff_t stride, int alpha, int beta,
+ int8_t *tc0);
+ void (*h264_v_loop_filter_chroma_intra)(uint8_t *pix /*align 8*/,
+ ptrdiff_t stride, int alpha, int beta);
+ void (*h264_h_loop_filter_chroma_intra)(uint8_t *pix /*align 8*/,
+ ptrdiff_t stride, int alpha, int beta);
+ void (*h264_h_loop_filter_chroma_mbaff_intra)(uint8_t *pix /*align 8*/,
+ ptrdiff_t stride, int alpha, int beta);
+ // h264_loop_filter_strength: simd only. the C version is inlined in h264_loopfilter.c
+ void (*h264_loop_filter_strength)(int16_t bS[2][4][4], uint8_t nnz[40],
+ int8_t ref[2][40], int16_t mv[2][40][2],
+ int bidir, int edges, int step,
+ int mask_mv0, int mask_mv1, int field);
+
+ /* IDCT */
+ void (*h264_idct_add)(uint8_t *dst /*align 4*/,
+ int16_t *block /*align 16*/, int stride);
+ void (*h264_idct8_add)(uint8_t *dst /*align 8*/,
+ int16_t *block /*align 16*/, int stride);
+ void (*h264_idct_dc_add)(uint8_t *dst /*align 4*/,
+ int16_t *block /*align 16*/, int stride);
+ void (*h264_idct8_dc_add)(uint8_t *dst /*align 8*/,
+ int16_t *block /*align 16*/, int stride);
+
+ void (*h264_idct_add16)(uint8_t *dst /*align 16*/, const int *blockoffset,
+ int16_t *block /*align 16*/, int stride,
+ const uint8_t nnzc[5 * 8]);
+ void (*h264_idct8_add4)(uint8_t *dst /*align 16*/, const int *blockoffset,
+ int16_t *block /*align 16*/, int stride,
+ const uint8_t nnzc[5 * 8]);
+ void (*h264_idct_add8)(uint8_t **dst /*align 16*/, const int *blockoffset,
+ int16_t *block /*align 16*/, int stride,
+ const uint8_t nnzc[15 * 8]);
+ void (*h264_idct_add16intra)(uint8_t *dst /*align 16*/, const int *blockoffset,
+ int16_t *block /*align 16*/,
+ int stride, const uint8_t nnzc[5 * 8]);
+ void (*h264_luma_dc_dequant_idct)(int16_t *output,
+ int16_t *input /*align 16*/, int qmul);
+ void (*h264_chroma_dc_dequant_idct)(int16_t *block, int qmul);
+
+ /* bypass-transform */
+ void (*h264_add_pixels8_clear)(uint8_t *dst, int16_t *block, int stride);
+ void (*h264_add_pixels4_clear)(uint8_t *dst, int16_t *block, int stride);
+
+ /**
+ * Search buf from the start for up to size bytes. Return the index
+ * of a zero byte, or >= size if not found. Ideally, use lookahead
+ * to filter out any zero bytes that are known to not be followed by
+ * one or more further zero bytes and a one byte. Better still, filter
+ * out any bytes that form the trailing_zero_8bits syntax element too.
+ */
+ int (*startcode_find_candidate)(const uint8_t *buf, int size);
+} H264DSPContext;
+
+void ff_h264dsp_init(H264DSPContext *c, const int bit_depth,
+ const int chroma_format_idc);
+void ff_h264dsp_init_aarch64(H264DSPContext *c, const int bit_depth,
+ const int chroma_format_idc);
+void ff_h264dsp_init_arm(H264DSPContext *c, const int bit_depth,
+ const int chroma_format_idc);
+void ff_h264dsp_init_ppc(H264DSPContext *c, const int bit_depth,
+ const int chroma_format_idc);
+void ff_h264dsp_init_x86(H264DSPContext *c, const int bit_depth,
+ const int chroma_format_idc);
+void ff_h264dsp_init_mips(H264DSPContext *c, const int bit_depth,
+ const int chroma_format_idc);
+void ff_h264dsp_init_loongarch(H264DSPContext *c, const int bit_depth,
+ const int chroma_format_idc);
+
+#endif /* AVCODEC_H264DSP_H */