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-rw-r--r--media/ffvpx/libavcodec/avdct.h84
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diff --git a/media/ffvpx/libavcodec/avdct.h b/media/ffvpx/libavcodec/avdct.h
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--- a/media/ffvpx/libavcodec/avdct.h
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-/*
- * 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
- */
-
-#ifndef AVCODEC_AVDCT_H
-#define AVCODEC_AVDCT_H
-
-#include "libavutil/opt.h"
-
-/**
- * AVDCT context.
- * @note function pointers can be NULL if the specific features have been
- * disabled at build time.
- */
-typedef struct AVDCT {
- const AVClass *av_class;
-
- void (*idct)(int16_t *block /* align 16 */);
-
- /**
- * IDCT input permutation.
- * Several optimized IDCTs need a permutated input (relative to the
- * normal order of the reference IDCT).
- * This permutation must be performed before the idct_put/add.
- * Note, normally this can be merged with the zigzag/alternate scan<br>
- * An example to avoid confusion:
- * - (->decode coeffs -> zigzag reorder -> dequant -> reference IDCT -> ...)
- * - (x -> reference DCT -> reference IDCT -> x)
- * - (x -> reference DCT -> simple_mmx_perm = idct_permutation
- * -> simple_idct_mmx -> x)
- * - (-> decode coeffs -> zigzag reorder -> simple_mmx_perm -> dequant
- * -> simple_idct_mmx -> ...)
- */
- uint8_t idct_permutation[64];
-
- void (*fdct)(int16_t *block /* align 16 */);
-
-
- /**
- * DCT algorithm.
- * must use AVOptions to set this field.
- */
- int dct_algo;
-
- /**
- * IDCT algorithm.
- * must use AVOptions to set this field.
- */
- int idct_algo;
-
- void (*get_pixels)(int16_t *block /* align 16 */,
- const uint8_t *pixels /* align 8 */,
- ptrdiff_t line_size);
-
- int bits_per_sample;
-} AVDCT;
-
-/**
- * Allocates a AVDCT context.
- * This needs to be initialized with avcodec_dct_init() after optionally
- * configuring it with AVOptions.
- *
- * To free it use av_free()
- */
-AVDCT *avcodec_dct_alloc(void);
-int avcodec_dct_init(AVDCT *);
-
-const AVClass *avcodec_dct_get_class(void);
-
-#endif /* AVCODEC_AVDCT_H */