hdr_util.h 1.69 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
// Copyright (c) 2016 The WebM 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 LIBWEBM_COMMON_HDR_UTIL_H_
#define LIBWEBM_COMMON_HDR_UTIL_H_

#include <stdint.h>

#include <memory>

#include "mkvmuxer/mkvmuxer.h"

namespace mkvparser {
struct Colour;
struct MasteringMetadata;
struct PrimaryChromaticity;
}  // namespace mkvparser

namespace libwebm {
// Utility types and functions for working with the Colour element and its
// children. Copiers return true upon success. Presence functions return true
// when the specified element is present.

// TODO(tomfinegan): These should be moved to libwebm_utils once c++11 is
// required by libwebm.

typedef std::auto_ptr<mkvmuxer::PrimaryChromaticity> PrimaryChromaticityPtr;

bool CopyPrimaryChromaticity(const mkvparser::PrimaryChromaticity& parser_pc,
                             PrimaryChromaticityPtr* muxer_pc);

bool MasteringMetadataValuePresent(double value);

bool CopyMasteringMetadata(const mkvparser::MasteringMetadata& parser_mm,
                           mkvmuxer::MasteringMetadata* muxer_mm);

bool ColourValuePresent(long long value);

bool CopyColour(const mkvparser::Colour& parser_colour,
                mkvmuxer::Colour* muxer_colour);

// Returns VP9 profile upon success or 0 upon failure.
int ParseVpxCodecPrivate(const uint8_t* private_data, int32_t length);

}  // namespace libwebm

#endif  // LIBWEBM_COMMON_HDR_UTIL_H_