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Side by Side Diff: third_party/libwebp/enc/vp8enci.h

Issue 2584033003: libwebp-0.5.2-rc2 (Closed)
Patch Set: layout tests Created 3 years, 12 months ago
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1 // Copyright 2011 Google Inc. All Rights Reserved. 1 // Copyright 2011 Google Inc. All Rights Reserved.
2 // 2 //
3 // Use of this source code is governed by a BSD-style license 3 // Use of this source code is governed by a BSD-style license
4 // that can be found in the COPYING file in the root of the source 4 // that can be found in the COPYING file in the root of the source
5 // tree. An additional intellectual property rights grant can be found 5 // tree. An additional intellectual property rights grant can be found
6 // in the file PATENTS. All contributing project authors may 6 // in the file PATENTS. All contributing project authors may
7 // be found in the AUTHORS file in the root of the source tree. 7 // be found in the AUTHORS file in the root of the source tree.
8 // ----------------------------------------------------------------------------- 8 // -----------------------------------------------------------------------------
9 // 9 //
10 // WebP encoder: internal header. 10 // WebP encoder: internal header.
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25 #ifdef __cplusplus 25 #ifdef __cplusplus
26 extern "C" { 26 extern "C" {
27 #endif 27 #endif
28 28
29 //------------------------------------------------------------------------------ 29 //------------------------------------------------------------------------------
30 // Various defines and enums 30 // Various defines and enums
31 31
32 // version numbers 32 // version numbers
33 #define ENC_MAJ_VERSION 0 33 #define ENC_MAJ_VERSION 0
34 #define ENC_MIN_VERSION 5 34 #define ENC_MIN_VERSION 5
35 #define ENC_REV_VERSION 1 35 #define ENC_REV_VERSION 2
36 36
37 enum { MAX_LF_LEVELS = 64, // Maximum loop filter level 37 enum { MAX_LF_LEVELS = 64, // Maximum loop filter level
38 MAX_VARIABLE_LEVEL = 67, // last (inclusive) level with variable cost 38 MAX_VARIABLE_LEVEL = 67, // last (inclusive) level with variable cost
39 MAX_LEVEL = 2047 // max level (note: max codable is 2047 + 67) 39 MAX_LEVEL = 2047 // max level (note: max codable is 2047 + 67)
40 }; 40 };
41 41
42 typedef enum { // Rate-distortion optimization levels 42 typedef enum { // Rate-distortion optimization levels
43 RD_OPT_NONE = 0, // no rd-opt 43 RD_OPT_NONE = 0, // no rd-opt
44 RD_OPT_BASIC = 1, // basic scoring (no trellis) 44 RD_OPT_BASIC = 1, // basic scoring (no trellis)
45 RD_OPT_TRELLIS = 2, // perform trellis-quant on the final decision only 45 RD_OPT_TRELLIS = 2, // perform trellis-quant on the final decision only
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318 void VP8TBufferClear(VP8TBuffer* const b); // de-allocate pages memory 318 void VP8TBufferClear(VP8TBuffer* const b); // de-allocate pages memory
319 319
320 #if !defined(DISABLE_TOKEN_BUFFER) 320 #if !defined(DISABLE_TOKEN_BUFFER)
321 321
322 // Finalizes bitstream when probabilities are known. 322 // Finalizes bitstream when probabilities are known.
323 // Deletes the allocated token memory if final_pass is true. 323 // Deletes the allocated token memory if final_pass is true.
324 int VP8EmitTokens(VP8TBuffer* const b, VP8BitWriter* const bw, 324 int VP8EmitTokens(VP8TBuffer* const b, VP8BitWriter* const bw,
325 const uint8_t* const probas, int final_pass); 325 const uint8_t* const probas, int final_pass);
326 326
327 // record the coding of coefficients without knowing the probabilities yet 327 // record the coding of coefficients without knowing the probabilities yet
328 int VP8RecordCoeffTokens(const int ctx, const int coeff_type, 328 int VP8RecordCoeffTokens(int ctx, const struct VP8Residual* const res,
329 int first, int last,
330 const int16_t* const coeffs,
331 VP8TBuffer* const tokens); 329 VP8TBuffer* const tokens);
332 330
333 // Estimate the final coded size given a set of 'probas'. 331 // Estimate the final coded size given a set of 'probas'.
334 size_t VP8EstimateTokenSize(VP8TBuffer* const b, const uint8_t* const probas); 332 size_t VP8EstimateTokenSize(VP8TBuffer* const b, const uint8_t* const probas);
335 333
336 // unused for now 334 // unused for now
337 void VP8TokenToStats(const VP8TBuffer* const b, proba_t* const stats); 335 void VP8TokenToStats(const VP8TBuffer* const b, proba_t* const stats);
338 336
339 #endif // !DISABLE_TOKEN_BUFFER 337 #endif // !DISABLE_TOKEN_BUFFER
340 338
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522 uint32_t* argb, uint32_t* argb_scratch, 520 uint32_t* argb, uint32_t* argb_scratch,
523 const uint32_t* const transform_data, 521 const uint32_t* const transform_data,
524 int quality, int subtract_green); 522 int quality, int subtract_green);
525 //------------------------------------------------------------------------------ 523 //------------------------------------------------------------------------------
526 524
527 #ifdef __cplusplus 525 #ifdef __cplusplus
528 } // extern "C" 526 } // extern "C"
529 #endif 527 #endif
530 528
531 #endif /* WEBP_ENC_VP8ENCI_H_ */ 529 #endif /* WEBP_ENC_VP8ENCI_H_ */
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