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€fãLÜiµ1hßÂ„žeŸ_†I|¥�+ÀÇ ?÷     -// Copyright 2011 Google Inc. All Rights Reserved.
//
// Use of this source code is governed by a BSD-style license
// that can be found in the COPYING 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.
// -----------------------------------------------------------------------------
//
//  RIFF container manipulation and encoding for WebP images.
//
// Authors: Urvang (urvang@google.com)
//          Vikas (vikasa@google.com)

#ifndef WEBP_WEBP_MUX_H_
#define WEBP_WEBP_MUX_H_

#include "./mux_types.h"

#ifdef __cplusplus
extern "C" {
#endif

#define WEBP_MUX_ABI_VERSION 0x0108        // MAJOR(8b) + MINOR(8b)

//------------------------------------------------------------------------------
// Mux API
//
// This API allows manipulation of WebP container images containing features
// like color profile, metadata, animation.
//
// Code Example#1: Create a WebPMux object with image data, color profile and
// XMP metadata.
/*
  int copy_data = 0;
  WebPMux* mux = WebPMuxNew();
  // ... (Prepare image data).
  WebPMuxSetImage(mux, &image, copy_data);
  // ... (Prepare ICCP color profile data).
  WebPMuxSetChunk(mux, "ICCP", &icc_profile, copy_data);
  // ... (Prepare XMP metadata).
  WebPMuxSetChunk(mux, "XMP ", &xmp, copy_data);
  // Get data from mux in WebP RIFF format.
  WebPMuxAssemble(mux, &output_data);
  WebPMuxDelete(mux);
  // ... (Consume output_data; e.g. write output_data.bytes to file).
  WebPDataClear(&output_data);
*/

// Code Example#2: Get image and color profile data from a WebP file.
/*
  int copy_data = 0;
  // ... (Read data from file).
  WebPMux* mux = WebPMuxCreate(&data, copy_data);
  WebPMuxGetFrame(mux, 1, &image);
  // ... (Consume image; e.g. call WebPDecode() to decode the data).
  WebPMuxGetChunk(mux, "ICCP", &icc_profile);
  // ... (Consume icc_data).
  WebPMuxDelete(mux);
  WebPFree(data);
*/

// Note: forward declaring enumerations is not allowed in (strict) C and C++,
// the types are left here for reference.
// typedef enum WebPMuxError WebPMuxError;
// typedef enum WebPChunkId WebPChunkId;
typedef struct WebPMux WebPMux;   // main opaque object.
typedef struct WebPMuxFrameInfo WebPMuxFrameInfo;
typedef struct WebPMuxAnimParams WebPMuxAnimParams;
typedef struct WebPAnimEncoderOptions WebPAnimEncoderOptions;

// Error codes
typedef enum WebPMuxError {
  WEBP_MUX_OK                 =  1,
  WEBP_MUX_NOT_FOUND          =  0,
  WEBP_MUX_INVALID_ARGUMENT   = -1,
  WEBP_MUX_BAD_DATA           = -2,
  WEBP_MUX_MEMORY_ERROR       = -3,
  WEBP_MUX_NOT_ENOUGH_DATA    = -4
} WebPMuxError;

// IDs for different types of chunks.
typedef enum WebPChunkId {
  WEBP_CHUNK_VP8X,        // VP8X
  WEBP_CHUNK_ICCP,        // ICCP
  WEBP_CHUNK_ANIM,        // ANIM
  WEBP_CHUNK_ANMF,        // ANMF
  WEBP_CHUNK_DEPRECATED,  // (deprecated from FRGM)
  WEBP_CHUNK_ALPHA,       // ALPH
  WEBP_CHUNK_IMAGE,       // VP8/VP8L
  WEBP_CHUNK_EXIF,        // EXIF
  WEBP_CHUNK_XMP,         // XMP
  WEBP_CHUNK_UNKNOWN,     // Other chunks.
  WEBP_CHUNK_NIL
} WebPChunkId;

//------------------------------------------------------------------------------

// Returns the version number of the mux library, packed in hexadecimal using
// 8bits for each of major/minor/revision. E.g: v2.5.7 is 0x020507.
WEBP_EXTERN int WebPGetMuxVersion(void);

//------------------------------------------------------------------------------
// Life of a Mux object

// Internal, version-checked, entry point
WEBP_EXTERN WebPMux* WebPNewInternal(int);

// Creates an empty mux object.
// Returns:
//   A pointer to the newly created empty m