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

/* vim:set ts=2 sw=2 sts=2 et cindent: */

/* 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 "WebAudioUtils.h"

#include "AudioNodeStream.h"

#include "blink/HRTFDatabaseLoader.h"

#include "nsContentUtils.h"

#include "nsIConsoleService.h"

#include "nsIScriptError.h"

#include "AudioEventTimeline.h"

namespace mozilla {

LazyLogModule gWebAudioAPILog("WebAudioAPI");

namespace dom {

void WebAudioUtils::ConvertAudioTimelineEventToTicks(AudioTimelineEvent& aEvent,

                                                     AudioNodeStream* aDest)

{

  aEvent.SetTimeInTicks(

      aDest->SecondsToNearestStreamTime(aEvent.Time<double>()));

  aEvent.mTimeConstant *= aDest->SampleRate();

  aEvent.mDuration *= aDest->SampleRate();

}

void

WebAudioUtils::Shutdown()

{

  WebCore::HRTFDatabaseLoader::shutdown();

}

int

WebAudioUtils::SpeexResamplerProcess(SpeexResamplerState* aResampler,

                                     uint32_t aChannel,

                                     const float* aIn, uint32_t* aInLen,

                                     float* aOut, uint32_t* aOutLen)

{

#ifdef MOZ_SAMPLE_TYPE_S16

  AutoTArray<AudioDataValue, WEBAUDIO_BLOCK_SIZE*4> tmp1;

  AutoTArray<AudioDataValue, WEBAUDIO_BLOCK_SIZE*4> tmp2;

  tmp1.SetLength(*aInLen);

  tmp2.SetLength(*aOutLen);

  ConvertAudioSamples(aIn, tmp1.Elements(), *aInLen);

  int result = speex_resampler_process_int(aResampler, aChannel, tmp1.Elements(), aInLen, tmp2.Elements(), aOutLen);

  ConvertAudioSamples(tmp2.Elements(), aOut, *aOutLen);

  return result;

#else

  return speex_resampler_process_float(aResampler, aChannel, aIn, aInLen, aOut, aOutLen);

#endif

}

int

WebAudioUtils::SpeexResamplerProcess(SpeexResamplerState* aResampler,

                                     uint32_t aChannel,

                                     const int16_t* aIn, uint32_t* aInLen,

                                     float* aOut, uint32_t* aOutLen)

{

  AutoTArray<AudioDataValue, WEBAUDIO_BLOCK_SIZE*4> tmp;

#ifdef MOZ_SAMPLE_TYPE_S16

  tmp.SetLength(*aOutLen);

  int result = speex_resampler_process_int(aResampler, aChannel, aIn, aInLen, tmp.Elements(), aOutLen);

  ConvertAudioSamples(tmp.Elements(), aOut, *aOutLen);

  return result;

#else

  tmp.SetLength(*aInLen);

  ConvertAudioSamples(aIn, tmp.Elements(), *aInLen);

  int result = speex_resampler_process_float(aResampler, aChannel, tmp.Elements(), aInLen, aOut, aOutLen);

  return result;

#endif

}

int

WebAudioUtils::SpeexResamplerProcess(SpeexResamplerState* aResampler,

                                     uint32_t aChannel,

                                     const int16_t* aIn, uint32_t* aInLen,

                                     int16_t* aOut, uint32_t* aOutLen)

{

#ifdef MOZ_SAMPLE_TYPE_S16

  return speex_resampler_process_int(aResampler, aChannel, aIn, aInLen, aOut, aOutLen);

#else

  AutoTArray<AudioDataValue, WEBAUDIO_BLOCK_SIZE*4> tmp1;

  AutoTArray<AudioDataValue, WEBAUDIO_BLOCK_SIZE*4> tmp2;

  tmp1.SetLength(*aInLen);

  tmp2.SetLength(*aOutLen);

  ConvertAudioSamples(aIn, tmp1.Elements(), *aInLen);

  int result = speex_resampler_process_float(aResampler, aChannel, tmp1.Elements(), aInLen, tmp2.Elements(), aOutLen);

  ConvertAudioSamples(tmp2.Elements(), aOut, *aOutLen);

  return result;

#endif

}

void

WebAudioUtils::LogToDeveloperConsole(uint64_t aWindowID, const char* aKey)

{

  // This implementation is derived from dom/media/VideoUtils.cpp, but we

  // use a windowID so that the message is delivered to the developer console.

  // It is similar to ContentUtils::ReportToConsole, but also works off main

  // thread.

  if (!NS_IsMainThread()) {

    nsCOMPtr<nsIRunnable> task = NS_NewRunnableFunction(

      "dom::WebAudioUtils::LogToDeveloperConsole",

      [aWindowID, aKey] { LogToDeveloperConsole(aWindowID, aKey); });

    SystemGroup::Dispatch(TaskCategory::Other, task.forget());

    return;

  }

  nsCOMPtr<nsIConsoleService> console(

    do_GetService("@mozilla.org/consoleservice;1"));

  if (!console) {

    NS_WARNING("Failed to log message to console.");

    return;

  }

  nsAutoCString spec;

  uint32_t aLineNumber, aColumnNumber;

  JSContext *cx = nsContentUtils::GetCurrentJSContext();

  if (cx) {

    nsJSUtils::GetCallingLocation(cx, spec, &aLineNumber, &aColumnNumber);

  }

  nsresult rv;

  nsCOMPtr<nsIScriptError> errorObject =

      do_CreateInstance(NS_SCRIPTERROR_CONTRACTID, &rv);

  if (!errorObject) {

    NS_WARNING("Failed to log message to console.");

    return;

  }

  nsAutoString result;

  rv = nsContentUtils::GetLocalizedString(nsContentUtils::eDOM_PROPERTIES,

                                          aKey, result);

  if (NS_FAILED(rv)) {

    NS_WARNING("Failed to log message to console.");

    return;

  }

  errorObject->InitWithWindowID(result,

                                NS_ConvertUTF8toUTF16(spec),

                                EmptyString(),

                                aLineNumber, aColumnNumber,

                                nsIScriptError::warningFlag, "Web Audio",

                                aWindowID);

  console->LogMessage(errorObject);

}

} // namespace dom

} // namespace mozilla