mpegvideoencdsp.h 2.1 KB

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  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. #ifndef AVCODEC_MPEGVIDEOENCDSP_H
  19. #define AVCODEC_MPEGVIDEOENCDSP_H
  20. #include <stdint.h>
  21. #include "avcodec.h"
  22. #define BASIS_SHIFT 16
  23. #define RECON_SHIFT 6
  24. #define EDGE_TOP 1
  25. #define EDGE_BOTTOM 2
  26. typedef struct MpegvideoEncDSPContext {
  27. int (*try_8x8basis)(int16_t rem[64], int16_t weight[64],
  28. int16_t basis[64], int scale);
  29. void (*add_8x8basis)(int16_t rem[64], int16_t basis[64], int scale);
  30. int (*pix_sum)(uint8_t *pix, int line_size);
  31. int (*pix_norm1)(uint8_t *pix, int line_size);
  32. void (*shrink[4])(uint8_t *dst, int dst_wrap, const uint8_t *src,
  33. int src_wrap, int width, int height);
  34. void (*draw_edges)(uint8_t *buf, int wrap, int width, int height,
  35. int w, int h, int sides);
  36. } MpegvideoEncDSPContext;
  37. void ff_mpegvideoencdsp_init(MpegvideoEncDSPContext *c,
  38. AVCodecContext *avctx);
  39. void ff_mpegvideoencdsp_init_arm(MpegvideoEncDSPContext *c,
  40. AVCodecContext *avctx);
  41. void ff_mpegvideoencdsp_init_ppc(MpegvideoEncDSPContext *c,
  42. AVCodecContext *avctx);
  43. void ff_mpegvideoencdsp_init_x86(MpegvideoEncDSPContext *c,
  44. AVCodecContext *avctx);
  45. void ff_mpegvideoencdsp_init_mips(MpegvideoEncDSPContext *c,
  46. AVCodecContext *avctx);
  47. #endif /* AVCODEC_MPEGVIDEOENCDSP_H */