Subversion Repositories Kolibri OS

Rev

Blame | Last modification | View Log | RSS feed

  1. /*
  2.  * Copyright (c) 2002 Michael Niedermayer
  3.  *
  4.  * This file is part of FFmpeg.
  5.  *
  6.  * FFmpeg is free software; you can redistribute it and/or
  7.  * modify it under the terms of the GNU Lesser General Public
  8.  * License as published by the Free Software Foundation; either
  9.  * version 2.1 of the License, or (at your option) any later version.
  10.  *
  11.  * FFmpeg is distributed in the hope that it will be useful,
  12.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14.  * Lesser General Public License for more details.
  15.  *
  16.  * You should have received a copy of the GNU Lesser General Public
  17.  * License along with FFmpeg; if not, write to the Free Software
  18.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19.  */
  20.  
  21. #include "libavutil/internal.h"
  22. #include "libavutil/arm/cpu.h"
  23. #include "libavcodec/avcodec.h"
  24. #include "libavcodec/mpegvideo.h"
  25. #include "mpegvideo_arm.h"
  26. #include "asm-offsets.h"
  27.  
  28. #if HAVE_NEON
  29. AV_CHECK_OFFSET(MpegEncContext, y_dc_scale,       Y_DC_SCALE);
  30. AV_CHECK_OFFSET(MpegEncContext, c_dc_scale,       C_DC_SCALE);
  31. AV_CHECK_OFFSET(MpegEncContext, ac_pred,          AC_PRED);
  32. AV_CHECK_OFFSET(MpegEncContext, block_last_index, BLOCK_LAST_INDEX);
  33. AV_CHECK_OFFSET(MpegEncContext, inter_scantable.raster_end,
  34.                 INTER_SCANTAB_RASTER_END);
  35. AV_CHECK_OFFSET(MpegEncContext, h263_aic,         H263_AIC);
  36. #endif
  37.  
  38. void ff_dct_unquantize_h263_inter_neon(MpegEncContext *s, int16_t *block,
  39.                                        int n, int qscale);
  40. void ff_dct_unquantize_h263_intra_neon(MpegEncContext *s, int16_t *block,
  41.                                        int n, int qscale);
  42.  
  43. av_cold void ff_mpv_common_init_arm(MpegEncContext *s)
  44. {
  45.     int cpu_flags = av_get_cpu_flags();
  46.  
  47.     if (have_armv5te(cpu_flags))
  48.         ff_mpv_common_init_armv5te(s);
  49.  
  50.     if (have_neon(cpu_flags)) {
  51.         s->dct_unquantize_h263_intra = ff_dct_unquantize_h263_intra_neon;
  52.         s->dct_unquantize_h263_inter = ff_dct_unquantize_h263_inter_neon;
  53.     }
  54. }
  55.