diff options
Diffstat (limited to 'webrtc/modules/video_coding/utility/include/vp8_header_parser.h')
-rw-r--r-- | webrtc/modules/video_coding/utility/include/vp8_header_parser.h | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/webrtc/modules/video_coding/utility/include/vp8_header_parser.h b/webrtc/modules/video_coding/utility/include/vp8_header_parser.h deleted file mode 100644 index 88796ecd0e..0000000000 --- a/webrtc/modules/video_coding/utility/include/vp8_header_parser.h +++ /dev/null @@ -1,77 +0,0 @@ -/* - * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. - * - * Use of this source code is governed by a BSD-style license - * that can be found in the LICENSE file in the root of the source - * tree. An additional intellectual property rights grant can be found - * in the file PATENTS. All contributing project authors may - * be found in the AUTHORS file in the root of the source tree. - */ - -#ifndef WEBRTC_MODULES_VIDEO_CODING_UTILITY_VP8_PARSE_HEADER_H_ -#define WEBRTC_MODULES_VIDEO_CODING_UTILITY_VP8_PARSE_HEADER_H_ - -namespace webrtc { - -namespace vp8 { - -enum { - MB_FEATURE_TREE_PROBS = 3, - NUM_MB_SEGMENTS = 4, - NUM_REF_LF_DELTAS = 4, - NUM_MODE_LF_DELTAS = 4, -}; - -typedef struct VP8BitReader VP8BitReader; -struct VP8BitReader { - // Boolean decoder. - uint32_t value_; // Current value. - uint32_t range_; // Current range minus 1. In [127, 254] interval. - int bits_; // Number of valid bits left. - // Read buffer. - const uint8_t* buf_; // Next byte to be read. - const uint8_t* buf_end_; // End of read buffer. - int eof_; // True if input is exhausted. -}; - -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 -}; - -// Gets the QP, QP range: [0, 127]. -// Returns true on success, false otherwise. -bool GetQp(const uint8_t* buf, size_t length, int* qp); - -} // namespace vp8 - -} // namespace webrtc - -#endif // WEBRTC_MODULES_VIDEO_CODING_UTILITY_VP8_PARSE_HEADER_H_ |