vp8/encoder/asm_enc_offsets.c

   1 /*
   2  *  Copyright (c) 2011 The WebM project authors. All Rights Reserved.
   3  *
   4  *  Use of this source code is governed by a BSD-style license
   5  *  that can be found in the LICENSE file in the root of the source
   6  *  tree. An additional intellectual property rights grant can be found
   7  *  in the file PATENTS.  All contributing project authors may
   8  *  be found in the AUTHORS file in the root of the source tree.
   9  */
  10
  11
  12 #include "vpx_ports/config.h"
  13 #include <stddef.h>
  14
  15 #include "treewriter.h"
  16 #include "tokenize.h"
  17 #include "onyx_int.h"
  18
  19 #define ct_assert(name,cond) \
  20     static void assert_##name(void) UNUSED;\
  21     static void assert_##name(void) {switch(0){case 0:case !!(cond):;}}
  22
  23 #define DEFINE(sym, val) int sym = val;
  24
  25 /*
  26 #define BLANK() asm volatile("\n->" : : )
  27 */
  28
  29 /*
  30  * int main(void)
  31  * {
  32  */
  33
  34 //pack tokens
  35 DEFINE(vp8_writer_lowvalue,                     offsetof(vp8_writer, lowvalue));
  36 DEFINE(vp8_writer_range,                        offsetof(vp8_writer, range));
  37 DEFINE(vp8_writer_value,                        offsetof(vp8_writer, value));
  38 DEFINE(vp8_writer_count,                        offsetof(vp8_writer, count));
  39 DEFINE(vp8_writer_pos,                          offsetof(vp8_writer, pos));
  40 DEFINE(vp8_writer_buffer,                       offsetof(vp8_writer, buffer));
  41
  42 DEFINE(tokenextra_token,                        offsetof(TOKENEXTRA, Token));
  43 DEFINE(tokenextra_extra,                        offsetof(TOKENEXTRA, Extra));
  44 DEFINE(tokenextra_context_tree,                 offsetof(TOKENEXTRA, context_tree));
  45 DEFINE(tokenextra_skip_eob_node,                offsetof(TOKENEXTRA, skip_eob_node));
  46 DEFINE(TOKENEXTRA_SZ,                           sizeof(TOKENEXTRA));
  47
  48 DEFINE(vp8_extra_bit_struct_sz,                 sizeof(vp8_extra_bit_struct));
  49
  50 DEFINE(vp8_token_value,                         offsetof(vp8_token, value));
  51 DEFINE(vp8_token_len,                           offsetof(vp8_token, Len));
  52
  53 DEFINE(vp8_extra_bit_struct_tree,               offsetof(vp8_extra_bit_struct, tree));
  54 DEFINE(vp8_extra_bit_struct_prob,               offsetof(vp8_extra_bit_struct, prob));
  55 DEFINE(vp8_extra_bit_struct_len,                offsetof(vp8_extra_bit_struct, Len));
  56 DEFINE(vp8_extra_bit_struct_base_val,           offsetof(vp8_extra_bit_struct, base_val));
  57
  58 DEFINE(vp8_comp_tplist,                         offsetof(VP8_COMP, tplist));
  59 DEFINE(vp8_comp_common,                         offsetof(VP8_COMP, common));
  60 DEFINE(vp8_comp_bc2,                            offsetof(VP8_COMP, bc2));
  61
  62 DEFINE(tokenlist_start,                         offsetof(TOKENLIST, start));
  63 DEFINE(tokenlist_stop,                          offsetof(TOKENLIST, stop));
  64 DEFINE(TOKENLIST_SZ,                            sizeof(TOKENLIST));
  65
  66 DEFINE(vp8_common_mb_rows,                      offsetof(VP8_COMMON, mb_rows));
  67
  68 // These two sizes are used in vp8cx_pack_tokens.  They are hard coded
  69 // so if the size changes this will have to be adjusted.
  70 #if HAVE_ARMV5TE
  71 ct_assert(TOKENEXTRA_SZ, sizeof(TOKENEXTRA) == 8)
  72 ct_assert(vp8_extra_bit_struct_sz, sizeof(vp8_extra_bit_struct) == 16)
  73 #endif
  74
  75 //add asserts for any offset that is not supported by assembly code
  76 //add asserts for any size that is not supported by assembly code
  77 /*
  78  * return 0;
  79  * }
  80  */