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-rw-r--r--media/ffvpx/libavcodec/vp8dsp.h102
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diff --git a/media/ffvpx/libavcodec/vp8dsp.h b/media/ffvpx/libavcodec/vp8dsp.h
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+/*
+ * Copyright (C) 2010 David Conrad
+ * Copyright (C) 2010 Ronald S. Bultje
+ *
+ * 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
+ * VP8 compatible video decoder
+ */
+
+#ifndef AVCODEC_VP8DSP_H
+#define AVCODEC_VP8DSP_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+typedef void (*vp8_mc_func)(uint8_t *dst /* align 8 */, ptrdiff_t dstStride,
+ const uint8_t *src /* align 1 */, ptrdiff_t srcStride,
+ int h, int x, int y);
+
+typedef struct VP8DSPContext {
+ void (*vp8_luma_dc_wht)(int16_t block[4][4][16], int16_t dc[16]);
+ void (*vp8_luma_dc_wht_dc)(int16_t block[4][4][16], int16_t dc[16]);
+ void (*vp8_idct_add)(uint8_t *dst, int16_t block[16], ptrdiff_t stride);
+ void (*vp8_idct_dc_add)(uint8_t *dst, int16_t block[16], ptrdiff_t stride);
+ void (*vp8_idct_dc_add4y)(uint8_t *dst, int16_t block[4][16],
+ ptrdiff_t stride);
+ void (*vp8_idct_dc_add4uv)(uint8_t *dst, int16_t block[4][16],
+ ptrdiff_t stride);
+
+ // loop filter applied to edges between macroblocks
+ void (*vp8_v_loop_filter16y)(uint8_t *dst, ptrdiff_t stride,
+ int flim_E, int flim_I, int hev_thresh);
+ void (*vp8_h_loop_filter16y)(uint8_t *dst, ptrdiff_t stride,
+ int flim_E, int flim_I, int hev_thresh);
+ void (*vp8_v_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride,
+ int flim_E, int flim_I, int hev_thresh);
+ void (*vp8_h_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride,
+ int flim_E, int flim_I, int hev_thresh);
+
+ // loop filter applied to inner macroblock edges
+ void (*vp8_v_loop_filter16y_inner)(uint8_t *dst, ptrdiff_t stride,
+ int flim_E, int flim_I, int hev_thresh);
+ void (*vp8_h_loop_filter16y_inner)(uint8_t *dst, ptrdiff_t stride,
+ int flim_E, int flim_I, int hev_thresh);
+ void (*vp8_v_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV,
+ ptrdiff_t stride,
+ int flim_E, int flim_I, int hev_thresh);
+ void (*vp8_h_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV,
+ ptrdiff_t stride,
+ int flim_E, int flim_I, int hev_thresh);
+
+ void (*vp8_v_loop_filter_simple)(uint8_t *dst, ptrdiff_t stride, int flim);
+ void (*vp8_h_loop_filter_simple)(uint8_t *dst, ptrdiff_t stride, int flim);
+
+ /**
+ * first dimension: 4-log2(width)
+ * second dimension: 0 if no vertical interpolation is needed;
+ * 1 4-tap vertical interpolation filter (my & 1)
+ * 2 6-tap vertical interpolation filter (!(my & 1))
+ * third dimension: same as second dimension, for horizontal interpolation
+ * so something like put_vp8_epel_pixels_tab[4-log2(width)][2*!!my-(my&1)][2*!!mx-(mx&1)](..., mx, my)
+ */
+ vp8_mc_func put_vp8_epel_pixels_tab[3][3][3];
+ vp8_mc_func put_vp8_bilinear_pixels_tab[3][3][3];
+} VP8DSPContext;
+
+void ff_vp7dsp_init(VP8DSPContext *c);
+
+void ff_vp78dsp_init(VP8DSPContext *c);
+void ff_vp78dsp_init_aarch64(VP8DSPContext *c);
+void ff_vp78dsp_init_arm(VP8DSPContext *c);
+void ff_vp78dsp_init_ppc(VP8DSPContext *c);
+void ff_vp78dsp_init_x86(VP8DSPContext *c);
+
+void ff_vp8dsp_init(VP8DSPContext *c);
+void ff_vp8dsp_init_aarch64(VP8DSPContext *c);
+void ff_vp8dsp_init_arm(VP8DSPContext *c);
+void ff_vp8dsp_init_x86(VP8DSPContext *c);
+void ff_vp8dsp_init_mips(VP8DSPContext *c);
+void ff_vp8dsp_init_loongarch(VP8DSPContext *c);
+
+#define IS_VP7 1
+#define IS_VP8 0
+
+#endif /* AVCODEC_VP8DSP_H */