/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef GMPUtils_h_
#define GMPUtils_h_
#include "MediaResult.h"
#include "gmp-errors.h"
#include "gmp-video-codec.h"
#include "mozilla/AbstractThread.h"
#include "mozilla/UniquePtr.h"
#include "nsCOMPtr.h"
#include "nsClassHashtable.h"
#include "nsStringFwd.h"
#include "nsTArray.h"
#define CHROMIUM_CDM_API_BACKWARD_COMPAT
"chromium-cdm10-host4"
#define CHROMIUM_CDM_API
"chromium-cdm11-host4"
class GMPVideoEncodedFrame;
class nsIFile;
class nsIDirectoryEnumerator;
namespace mozilla {
template <typename T>
struct DestroyPolicy {
void operator()(T* aGMPObject)
const { aGMPObject->Destroy(); }
};
template <typename T>
using GMPUniquePtr = mozilla::UniquePtr<T, DestroyPolicy<T>>;
void SplitAt(
const char* aDelims,
const nsACString& aInput,
nsTArray<nsCString>& aOutTokens);
nsCString ToHexString(
const nsTArray<uint8_t>& aBytes);
nsCString ToHexString(
const uint8_t* aBytes, uint32_t aLength);
bool FileExists(nsIFile* aFile);
// Enumerate directory entries for a specified path.
class DirectoryEnumerator {
public:
enum Mode {
DirsOnly,
// Enumeration only includes directories.
FilesAndDirs
// Enumeration includes directories and non-directory files.
};
DirectoryEnumerator(nsIFile* aPath, Mode aMode);
already_AddRefed<nsIFile> Next();
private:
Mode mMode;
nsCOMPtr<nsIDirectoryEnumerator> mIter;
};
class GMPInfoFileParser {
public:
bool Init(nsIFile* aFile);
bool Contains(
const nsCString& aKey)
const;
nsCString Get(
const nsCString& aKey)
const;
private:
nsClassHashtable<nsCStringHashKey, nsCString> mValues;
};
bool ReadIntoString(nsIFile* aFile, nsCString& aOutDst, size_t aMaxLength);
bool HaveGMPFor(
const nsACString& aAPI,
const nsTArray<nsCString>& aTags);
bool IsOnGMPThread();
void LogToConsole(
const nsAString& aMsg);
already_AddRefed<nsISerialEventTarget> GetGMPThread();
// Returns the number of bytes required to store an aWidth x aHeight image in
// I420 format, padded so that the width and height are multiples of 16.
size_t I420FrameBufferSizePadded(int32_t aWidth, int32_t aHeight);
bool AdjustOpenH264NALUSequence(uint8_t* aBuffer, uint32_t aSize,
GMPBufferType aType);
bool AdjustOpenH264NALUSequence(GMPVideoEncodedFrame* aEncodedFrame);
MediaResult ToMediaResult(GMPErr aErr,
const nsACString& aMessage);
}
// namespace mozilla
#endif
