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https://gitee.com/openharmony/third_party_ffmpeg
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015821229f
This way, the special IDCT permutations are no longer needed. This is similar to how H264 does it, and removes the dsputil dependency imposed by the scantable code. Also remove the unused type == 0 cases from the plain C version of the idct. Signed-off-by: Martin Storsjö <martin@martin.st>
55 lines
2.1 KiB
C
55 lines
2.1 KiB
C
/*
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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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#ifndef AVCODEC_VP3DSP_H
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#define AVCODEC_VP3DSP_H
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#include <stddef.h>
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#include <stdint.h>
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typedef struct VP3DSPContext {
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/**
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* Copy 8xH pixels from source to destination buffer using a bilinear
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* filter with no rounding (i.e. *dst = (*a + *b) >> 1).
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*
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* @param dst destination buffer, aligned by 8
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* @param a first source buffer, no alignment
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* @param b second source buffer, no alignment
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* @param stride distance between two lines in source/dest buffers
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* @param h height
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*/
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void (*put_no_rnd_pixels_l2)(uint8_t *dst,
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const uint8_t *a,
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const uint8_t *b,
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ptrdiff_t stride, int h);
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void (*idct_put)(uint8_t *dest, int line_size, int16_t *block);
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void (*idct_add)(uint8_t *dest, int line_size, int16_t *block);
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void (*idct_dc_add)(uint8_t *dest, int line_size, int16_t *block);
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void (*v_loop_filter)(uint8_t *src, int stride, int *bounding_values);
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void (*h_loop_filter)(uint8_t *src, int stride, int *bounding_values);
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} VP3DSPContext;
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void ff_vp3dsp_init(VP3DSPContext *c, int flags);
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void ff_vp3dsp_init_arm(VP3DSPContext *c, int flags);
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void ff_vp3dsp_init_bfin(VP3DSPContext *c, int flags);
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void ff_vp3dsp_init_ppc(VP3DSPContext *c, int flags);
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void ff_vp3dsp_init_x86(VP3DSPContext *c, int flags);
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#endif /* AVCODEC_VP3DSP_H */
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