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authorfbarchard@chromium.org <fbarchard@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2010-10-07 14:59:13 +0000
committerfbarchard@chromium.org <fbarchard@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2010-10-07 14:59:13 +0000
commitb6207ced7803f1aa72ca31c02705d148ef718cd8 (patch)
tree09e7b4b4c346f4b43692e8a626d4a77a4f2ac19c /third_party/libwebp/bits.c
parent563fccc387f4dd8cd6b51cc4306b757a9fc3a3a1 (diff)
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Revert 61787 - Add WebP library to Chromium
BUG=58225 TEST=library buildable on all platforms. Review URL: http://codereview.chromium.org/3614010 TBR=fbarchard@chromium.org Review URL: http://codereview.chromium.org/3608014 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@61788 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'third_party/libwebp/bits.c')
-rw-r--r--third_party/libwebp/bits.c78
1 files changed, 0 insertions, 78 deletions
diff --git a/third_party/libwebp/bits.c b/third_party/libwebp/bits.c
deleted file mode 100644
index bdc89e0..0000000
--- a/third_party/libwebp/bits.c
+++ /dev/null
@@ -1,78 +0,0 @@
-// Copyright 2010 Google Inc.
-//
-// This code is licensed under the same terms as WebM:
-// Software License Agreement: http://www.webmproject.org/license/software/
-// Additional IP Rights Grant: http://www.webmproject.org/license/additional/
-// -----------------------------------------------------------------------------
-//
-// Boolean decoder
-//
-// Author: Skal (pascal.massimino@gmail.com)
-
-#include "bits.h"
-
-#if defined(__cplusplus) || defined(c_plusplus)
-extern "C" {
-#endif
-
-//-----------------------------------------------------------------------------
-// VP8BitReader
-
-int VP8Init(VP8BitReader* const br, const uint8_t* buf, uint32_t size) {
- if (!br || !buf || size < 2) {
- return 0;
- }
- br->buf_ = buf + 2;
- br->buf_end_ = buf + size;
- br->left_ = -8;
- br->value_ = (buf[0] << 8) | buf[1];
- br->range_ = 255 - 1;
- return 1;
-}
-
-const uint8_t kVP8Log2Range[128] = {
- 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4,
- 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 0
-};
-
-// range = ((range + 1) << kVP8Log2Range[range]) - 1
-const uint8_t kVP8NewRange[128] = {
- 127, 127, 191, 127, 159, 191, 223, 127, 143, 159, 175, 191, 207, 223, 239,
- 127, 135, 143, 151, 159, 167, 175, 183, 191, 199, 207, 215, 223, 231, 239,
- 247, 127, 131, 135, 139, 143, 147, 151, 155, 159, 163, 167, 171, 175, 179,
- 183, 187, 191, 195, 199, 203, 207, 211, 215, 219, 223, 227, 231, 235, 239,
- 243, 247, 251, 127, 129, 131, 133, 135, 137, 139, 141, 143, 145, 147, 149,
- 151, 153, 155, 157, 159, 161, 163, 165, 167, 169, 171, 173, 175, 177, 179,
- 181, 183, 185, 187, 189, 191, 193, 195, 197, 199, 201, 203, 205, 207, 209,
- 211, 213, 215, 217, 219, 221, 223, 225, 227, 229, 231, 233, 235, 237, 239,
- 241, 243, 245, 247, 249, 251, 253, 127
-};
-
-//-----------------------------------------------------------------------------
-// Higher-level calls
-
-uint32_t VP8GetValue(VP8BitReader* const br, int bits) {
- uint32_t v = 0;
- while (bits-- > 0) {
- v |= VP8GetBit(br, 0x80) << bits;
- }
- return v;
-}
-
-int32_t VP8GetSignedValue(VP8BitReader* const br, int bits) {
- const int value = (bits > 0) ? VP8GetValue(br, bits) : 0;
- return VP8Get(br) ? -value : value;
-}
-
-//-----------------------------------------------------------------------------
-
-#if defined(__cplusplus) || defined(c_plusplus)
-} // extern "C"
-#endif