webm/common/hdr_util.h
Frank Galligan 296429a7dc Add support to parse VP9 profile.
This is the VP9 profile contained in the CodecPrivate data.

Change-Id: If5fd5667bfc86ff596354457539da363367128db
2016-04-18 12:15:59 -07:00

56 lines
1.9 KiB
C++

// 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 true if |profile| and |level| are set to valid values. Returns VP9
// profile in |profile| or -1 if there was no profile set in CodecPrivate data.
// Returns VP9 level in |level| or -1 if there was no level set in CodecPrivate
// data.
bool ParseVpxCodecPrivate(const uint8_t* private_data, int32_t length,
int* profile, int* level);
} // namespace libwebm
#endif // LIBWEBM_COMMON_HDR_UTIL_H_