Image-WebP

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webp-src/libtool  view on Meta::CPAN

      func_normal_abspath_altnamespace=/
    ;;
    /*)
      # Absolute path, do nothing.
    ;;
    *)
      # Relative path, prepend $cwd.
      func_normal_abspath_tpath=`pwd`/$func_normal_abspath_tpath
    ;;
  esac
  # Cancel out all the simple stuff to save iterations.  We also want
  # the path to end with a slash for ease of parsing, so make sure
  # there is one (and only one) here.
  func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \
        -e "$removedotparts" -e "$collapseslashes" -e "$finalslash"`
  while :; do
    # Processed it all yet?
    if test "$func_normal_abspath_tpath" = / ; then
      # If we ascended to the root using ".." the result may be empty now.
      if test -z "$func_normal_abspath_result" ; then
        func_normal_abspath_result=/

webp-src/ltmain.sh  view on Meta::CPAN

      func_normal_abspath_altnamespace=/
    ;;
    /*)
      # Absolute path, do nothing.
    ;;
    *)
      # Relative path, prepend $cwd.
      func_normal_abspath_tpath=`pwd`/$func_normal_abspath_tpath
    ;;
  esac
  # Cancel out all the simple stuff to save iterations.  We also want
  # the path to end with a slash for ease of parsing, so make sure
  # there is one (and only one) here.
  func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \
        -e "$removedotparts" -e "$collapseslashes" -e "$finalslash"`
  while :; do
    # Processed it all yet?
    if test "$func_normal_abspath_tpath" = / ; then
      # If we ascended to the root using ".." the result may be empty now.
      if test -z "$func_normal_abspath_result" ; then
        func_normal_abspath_result=/

webp-src/src/enc/vp8enci.h  view on Meta::CPAN

// export decimated samples
void VP8IteratorExport(const VP8EncIterator* const it);
// go to next macroblock. Returns !done_. If *block_to_save is non-null, will
// save the boundary values to top_/left_ arrays. block_to_save can be
// it->yuv_out_ or it->yuv_in_.
int VP8IteratorNext(VP8EncIterator* const it,
                    const uint8_t* const block_to_save);
// Report progression based on macroblock rows. Return 0 for user-abort request.
int VP8IteratorProgress(const VP8EncIterator* const it,
                        int final_delta_percent);
// Intra4x4 iterations
void VP8IteratorStartI4(VP8EncIterator* const it);
// returns true if not done.
int VP8IteratorRotateI4(VP8EncIterator* const it,
                        const uint8_t* const yuv_out);

// Non-zero context setup/teardown
void VP8IteratorNzToBytes(VP8EncIterator* const it);
void VP8IteratorBytesToNz(VP8EncIterator* const it);

// Helper functions to set mode properties

webp-src/src/utils/quant_levels.c  view on Meta::CPAN

  for (i = 0; i < num_levels; ++i) {
    inv_q_level[i] = min_s + (double)(max_s - min_s) * i / (num_levels - 1);
  }

  // Fixed values. Won't be changed.
  q_level[min_s] = 0;
  q_level[max_s] = num_levels - 1;
  assert(inv_q_level[0] == min_s);
  assert(inv_q_level[num_levels - 1] == max_s);

  // k-Means iterations.
  for (iter = 0; iter < MAX_ITER; ++iter) {
    double q_sum[NUM_SYMBOLS] = { 0 };
    double q_count[NUM_SYMBOLS] = { 0 };
    int s, slot = 0;

    // Assign classes to representatives.
    for (s = min_s; s <= max_s; ++s) {
      // Keep track of the nearest neighbour 'slot'
      while (slot < num_levels - 1 &&
             2 * s > inv_q_level[slot] + inv_q_level[slot + 1]) {