libwebp/examples/metadata.h
James Zern d640614d54 update copyright text
rather than symlink the webm/vpx terms, use the same header as libvpx to
reference in-tree files

based on the discussion in:
https://codereview.chromium.org/12771026/

Change-Id: Ia3067ecddefaa7ee01550136e00f7b3f086d4af4
2013-06-06 23:09:14 -07:00

48 lines
1.3 KiB
C

// Copyright 2012 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.
// -----------------------------------------------------------------------------
//
// Metadata types and functions.
//
#ifndef WEBP_EXAMPLES_METADATA_H_
#define WEBP_EXAMPLES_METADATA_H_
#include "webp/types.h"
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
typedef struct MetadataPayload {
uint8_t* bytes;
size_t size;
} MetadataPayload;
typedef struct Metadata {
MetadataPayload exif;
MetadataPayload iccp;
MetadataPayload xmp;
} Metadata;
#define METADATA_OFFSET(x) offsetof(Metadata, x)
void MetadataInit(Metadata* const metadata);
void MetadataPayloadDelete(MetadataPayload* const payload);
void MetadataFree(Metadata* const metadata);
// Stores 'metadata' to 'payload->bytes', returns false on allocation error.
int MetadataCopy(const char* metadata, size_t metadata_len,
MetadataPayload* const payload);
#if defined(__cplusplus) || defined(c_plusplus)
} // extern "C"
#endif
#endif // WEBP_EXAMPLES_METADATA_H_