mpegvideoencdsp.h (2506B)
1 /* 2 * This file is part of FFmpeg. 3 * 4 * FFmpeg is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation; either 7 * version 2.1 of the License, or (at your option) any later version. 8 * 9 * FFmpeg is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Lesser General Public License for more details. 13 * 14 * You should have received a copy of the GNU Lesser General Public 15 * License along with FFmpeg; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18 19 #ifndef AVCODEC_MPEGVIDEOENCDSP_H 20 #define AVCODEC_MPEGVIDEOENCDSP_H 21 22 #include <stdint.h> 23 24 #include "avcodec.h" 25 26 #define BASIS_SHIFT 16 27 #define RECON_SHIFT 6 28 29 #define EDGE_TOP 1 30 #define EDGE_BOTTOM 2 31 32 typedef struct MpegvideoEncDSPContext { 33 int (*try_8x8basis)(const int16_t rem[64], const int16_t weight[64], 34 const int16_t basis[64], int scale); 35 void (*add_8x8basis)(int16_t rem[64], const int16_t basis[64], int scale); 36 37 int (*pix_sum)(const uint8_t *pix, ptrdiff_t line_size); 38 int (*pix_norm1)(const uint8_t *pix, ptrdiff_t line_size); 39 40 void (*shrink[4])(uint8_t *dst, ptrdiff_t dst_wrap, const uint8_t *src, 41 ptrdiff_t src_wrap, int width, int height); 42 43 void (*draw_edges)(uint8_t *buf, ptrdiff_t wrap, int width, int height, 44 int w, int h, int sides); 45 } MpegvideoEncDSPContext; 46 47 void ff_mpegvideoencdsp_init(MpegvideoEncDSPContext *c, 48 AVCodecContext *avctx); 49 void ff_mpegvideoencdsp_init_aarch64(MpegvideoEncDSPContext *c, 50 AVCodecContext *avctx); 51 void ff_mpegvideoencdsp_init_arm(MpegvideoEncDSPContext *c, 52 AVCodecContext *avctx); 53 void ff_mpegvideoencdsp_init_ppc(MpegvideoEncDSPContext *c, 54 AVCodecContext *avctx); 55 void ff_mpegvideoencdsp_init_riscv(MpegvideoEncDSPContext *c, 56 AVCodecContext *avctx); 57 void ff_mpegvideoencdsp_init_x86(MpegvideoEncDSPContext *c, 58 AVCodecContext *avctx); 59 void ff_mpegvideoencdsp_init_mips(MpegvideoEncDSPContext *c, 60 AVCodecContext *avctx); 61 62 #endif /* AVCODEC_MPEGVIDEOENCDSP_H */