blob: b4ffa8742cae0f9eec59b1e00c10d18781ca3354 [file] [log] [blame]
// Copyright 2014 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 "chromecast/base/chromecast_switches.h"
#include "base/command_line.h"
namespace switches {
// Value indicating whether flag from command line switch is true.
const char kSwitchValueTrue[] = "true";
// Value indicating whether flag from command line switch is false.
const char kSwitchValueFalse[] = "false";
// Enable the CMA media pipeline.
const char kEnableCmaMediaPipeline[] = "enable-cma-media-pipeline";
// The bitmask of codecs (media_caps.h) supported by the current HDMI sink.
const char kHdmiSinkSupportedCodecs[] = "hdmi-sink-supported-codecs";
// Enable file accesses. It should not be enabled for most Cast devices.
const char kEnableLocalFileAccesses[] = "enable-local-file-accesses";
// Override the URL to which metrics logs are sent for debugging.
const char kOverrideMetricsUploadUrl[] = "override-metrics-upload-url";
// Disable features that require WiFi management.
const char kNoWifi[] = "no-wifi";
// Allows media playback for hidden WebContents
const char kAllowHiddenMediaPlayback[] = "allow-hidden-media-playback";
// Pass the app id information to the renderer process, to be used for logging.
// last-launched-app should be the app that just launched and is spawning the
// renderer.
const char kLastLaunchedApp[] = "last-launched-app";
// previous-app should be the app that was running when last-launched-app
// started.
const char kPreviousApp[] = "previous-app";
// Flag indicating that a resource provider must be set up to provide cast
// receiver with resources. Apps cannot start until provided resources.
// This flag implies --alsa-check-close-timeout=0.
const char kAcceptResourceProvider[] = "accept-resource-provider";
// Size of the ALSA output buffer in frames. This directly sets the latency of
// the output device. Latency can be calculated by multiplying the sample rate
// by the output buffer size.
const char kAlsaOutputBufferSize[] = "alsa-output-buffer-size";
// Size of the ALSA output period in frames. The period of an ALSA output device
// determines how many frames elapse between hardware interrupts.
const char kAlsaOutputPeriodSize[] = "alsa-output-period-size";
// How many frames need to be in the output buffer before output starts.
const char kAlsaOutputStartThreshold[] = "alsa-output-start-threshold";
// Minimum number of available frames for scheduling a transfer.
const char kAlsaOutputAvailMin[] = "alsa-output-avail-min";
// Time in ms to wait before closing the PCM handle when no more mixer inputs
// remain. Assumed to be 0 if --accept-resource-provider is present.
const char kAlsaCheckCloseTimeout[] = "alsa-check-close-timeout";
// Flag that enables resampling audio with sample rate below 32kHz up to 48kHz.
// Should be set to true for internal audio products.
const char kAlsaEnableUpsampling[] = "alsa-enable-upsampling";
// Optional flag to set a fixed sample rate for the alsa device.
const char kAlsaFixedOutputSampleRate[] = "alsa-fixed-output-sample-rate";
// Some platforms typically have very little 'free' memory, but plenty is
// available in buffers+cached. For such platforms, configure this amount
// as the portion of buffers+cached memory that should be treated as
// unavailable. If this switch is not used, a simple pressure heuristic based
// purely on free memory will be used.
const char kMemPressureSystemReservedKb[] = "mem-pressure-system-reserved-kb";
} // namespace switches
namespace chromecast {
bool GetSwitchValueBoolean(const std::string& switch_string,
const bool default_value) {
const base::CommandLine* command_line =
if (command_line->HasSwitch(switch_string)) {
if (command_line->GetSwitchValueASCII(switch_string) !=
switches::kSwitchValueTrue &&
command_line->GetSwitchValueASCII(switch_string) !=
switches::kSwitchValueFalse &&
command_line->GetSwitchValueASCII(switch_string) != "") {
LOG(WARNING) << "Invalid switch value " << switch_string << "="
<< command_line->GetSwitchValueASCII(switch_string)
<< "; assuming default value of " << default_value;
return default_value;
return command_line->GetSwitchValueASCII(switch_string) !=
return default_value;
} // namespace chromecast