chromium/third_party/libwebp/src/imageio/webpdec.c

// Copyright 2014 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.
// -----------------------------------------------------------------------------
//
// WebP decode.

#ifdef HAVE_CONFIG_H
#include "webp/config.h"
#endif

#include "./webpdec.h"

#include <assert.h>
#include <stdio.h>
#include <stdlib.h>

#include "webp/decode.h"
#include "webp/demux.h"
#include "webp/encode.h"
#include "../examples/unicode.h"
#include "./imageio_util.h"
#include "./metadata.h"

//------------------------------------------------------------------------------
// WebP decoding

static const char* const kStatusMessages[VP8_STATUS_NOT_ENOUGH_DATA + 1] = …;

static void PrintAnimationWarning(const WebPDecoderConfig* const config) { … }

void PrintWebPError(const char* const in_file, int status) { … }

int LoadWebP(const char* const in_file,
             const uint8_t** data, size_t* data_size,
             WebPBitstreamFeatures* bitstream) { … }

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

VP8StatusCode DecodeWebP(const uint8_t* const data, size_t data_size,
                         WebPDecoderConfig* const config) { … }

VP8StatusCode DecodeWebPIncremental(
    const uint8_t* const data, size_t data_size,
    WebPDecoderConfig* const config) { … }

// -----------------------------------------------------------------------------
// Metadata

static int ExtractMetadata(const uint8_t* const data, size_t data_size,
                           Metadata* const metadata) { … }

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

int ReadWebP(const uint8_t* const data, size_t data_size,
             WebPPicture* const pic,
             int keep_alpha, Metadata* const metadata) { … }

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