blob: 971895257f606a95b8ac6fb6810e4915ac010576 [file] [log] [blame]
// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/cdm/supported_cdm_versions.h"
#include "base/command_line.h"
#include "base/optional.h"
#include "base/strings/string_number_conversions.h"
#include "media/base/media_switches.h"
namespace media {
namespace {
// Returns the overridden supported CDM interface version specified on command
// line, which can be null if not specified.
base::Optional<int> GetSupportedCdmInterfaceVersionOverrideFromCommandLine() {
auto* command_line = base::CommandLine::ForCurrentProcess();
if (!command_line)
return base::nullopt;
auto version_string = command_line->GetSwitchValueASCII(
int version = 0;
if (!base::StringToInt(version_string, &version))
return base::nullopt;
return version;
} // namespace
bool IsSupportedAndEnabledCdmInterfaceVersion(int version) {
if (!IsSupportedCdmInterfaceVersion(version))
return false;
auto version_override =
if (version_override)
return version == version_override;
return IsCdmInterfaceVersionEnabledByDefault(version);
} // namespace media