gecko-dev/dom/media/AudioDeviceInfo.cpp

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */

#include "AudioDeviceInfo.h"

NS_IMPL_ISUPPORTS(AudioDeviceInfo, nsIAudioDeviceInfo)

using namespace mozilla;
using namespace mozilla::CubebUtils;

AudioDeviceInfo::AudioDeviceInfo(cubeb_device_info* aInfo)
    : AudioDeviceInfo(aInfo->devid, NS_ConvertUTF8toUTF16(aInfo->friendly_name),
                      NS_ConvertUTF8toUTF16(aInfo->group_id),
                      NS_ConvertUTF8toUTF16(aInfo->vendor_name), aInfo->type,
                      aInfo->state, aInfo->preferred, aInfo->format,
                      aInfo->default_format, aInfo->max_channels,
                      aInfo->default_rate, aInfo->max_rate, aInfo->min_rate,
                      aInfo->latency_lo, aInfo->latency_hi) {}

AudioDeviceInfo::AudioDeviceInfo(
    AudioDeviceID aID, const nsAString& aName, const nsAString& aGroupId,
    const nsAString& aVendor, uint16_t aType, uint16_t aState,
    uint16_t aPreferred, uint16_t aSupportedFormat, uint16_t aDefaultFormat,
    uint32_t aMaxChannels, uint32_t aDefaultRate, uint32_t aMaxRate,
    uint32_t aMinRate, uint32_t aMaxLatency, uint32_t aMinLatency)
    : mDeviceId(aID),
      mName(aName),
      mGroupId(aGroupId),
      mVendor(aVendor),
      mType(aType),
      mState(aState),
      mPreferred(aPreferred),
      mSupportedFormat(aSupportedFormat),
      mDefaultFormat(aDefaultFormat),
      mMaxChannels(aMaxChannels),
      mDefaultRate(aDefaultRate),
      mMaxRate(aMaxRate),
      mMinRate(aMinRate),
      mMaxLatency(aMaxLatency),
      mMinLatency(aMinLatency) {
  MOZ_ASSERT(
      mType == TYPE_UNKNOWN || mType == TYPE_INPUT || mType == TYPE_OUTPUT,
      "Wrong type");
  MOZ_ASSERT(mState == STATE_DISABLED || mState == STATE_UNPLUGGED ||
                 mState == STATE_ENABLED,
             "Wrong state");
  MOZ_ASSERT(
      mPreferred == PREF_NONE || mPreferred == PREF_ALL ||
          mPreferred & (PREF_MULTIMEDIA | PREF_VOICE | PREF_NOTIFICATION),
      "Wrong preferred value");
  MOZ_ASSERT(mSupportedFormat & (FMT_S16LE | FMT_S16BE | FMT_F32LE | FMT_F32BE),
             "Wrong supported format");
  MOZ_ASSERT(mDefaultFormat == FMT_S16LE || mDefaultFormat == FMT_S16BE ||
                 mDefaultFormat == FMT_F32LE || mDefaultFormat == FMT_F32BE,
             "Wrong default format");
}

AudioDeviceID AudioDeviceInfo::DeviceID() const { return mDeviceId; }
const nsString& AudioDeviceInfo::Name() const { return mName; }
uint32_t AudioDeviceInfo::MaxChannels() const { return mMaxChannels; }
uint32_t AudioDeviceInfo::Type() const { return mType; }
uint32_t AudioDeviceInfo::State() const { return mState; }

bool AudioDeviceInfo::Preferred() const { return mPreferred; }

/* readonly attribute DOMString name; */
NS_IMETHODIMP
AudioDeviceInfo::GetName(nsAString& aName) {
  aName = mName;
  return NS_OK;
}

/* readonly attribute DOMString groupId; */
NS_IMETHODIMP
AudioDeviceInfo::GetGroupId(nsAString& aGroupId) {
  aGroupId = mGroupId;
  return NS_OK;
}

/* readonly attribute DOMString vendor; */
NS_IMETHODIMP
AudioDeviceInfo::GetVendor(nsAString& aVendor) {
  aVendor = mVendor;
  return NS_OK;
}

/* readonly attribute unsigned short type; */
NS_IMETHODIMP
AudioDeviceInfo::GetType(uint16_t* aType) {
  *aType = mType;
  return NS_OK;
}

/* readonly attribute unsigned short state; */
NS_IMETHODIMP
AudioDeviceInfo::GetState(uint16_t* aState) {
  *aState = mState;
  return NS_OK;
}

/* readonly attribute unsigned short preferred; */
NS_IMETHODIMP
AudioDeviceInfo::GetPreferred(uint16_t* aPreferred) {
  *aPreferred = mPreferred;
  return NS_OK;
}

/* readonly attribute unsigned short supportedFormat; */
NS_IMETHODIMP
AudioDeviceInfo::GetSupportedFormat(uint16_t* aSupportedFormat) {
  *aSupportedFormat = mSupportedFormat;
  return NS_OK;
}

/* readonly attribute unsigned short defaultFormat; */
NS_IMETHODIMP
AudioDeviceInfo::GetDefaultFormat(uint16_t* aDefaultFormat) {
  *aDefaultFormat = mDefaultFormat;
  return NS_OK;
}

/* readonly attribute unsigned long maxChannels; */
NS_IMETHODIMP
AudioDeviceInfo::GetMaxChannels(uint32_t* aMaxChannels) {
  *aMaxChannels = mMaxChannels;
  return NS_OK;
}

/* readonly attribute unsigned long defaultRate; */
NS_IMETHODIMP
AudioDeviceInfo::GetDefaultRate(uint32_t* aDefaultRate) {
  *aDefaultRate = mDefaultRate;
  return NS_OK;
}

/* readonly attribute unsigned long maxRate; */
NS_IMETHODIMP
AudioDeviceInfo::GetMaxRate(uint32_t* aMaxRate) {
  *aMaxRate = mMaxRate;
  return NS_OK;
}

/* readonly attribute unsigned long minRate; */
NS_IMETHODIMP
AudioDeviceInfo::GetMinRate(uint32_t* aMinRate) {
  *aMinRate = mMinRate;
  return NS_OK;
}

/* readonly attribute unsigned long maxLatency; */
NS_IMETHODIMP
AudioDeviceInfo::GetMaxLatency(uint32_t* aMaxLatency) {
  *aMaxLatency = mMaxLatency;
  return NS_OK;
}

/* readonly attribute unsigned long minLatency; */
NS_IMETHODIMP
AudioDeviceInfo::GetMinLatency(uint32_t* aMinLatency) {
  *aMinLatency = mMinLatency;
  return NS_OK;
}