mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-27 12:15:33 +00:00
d381b4bca6
CLOSED TREE Backed out changeset d66c3f19a210 (bug 1235261) Backed out changeset 467d945426bb (bug 1235261) Backed out changeset 32b61df13142 (bug 1235261) Backed out changeset c50bb8ed4196 (bug 1235261) Backed out changeset 0ff0fa6fe81f (bug 1235261) Backed out changeset df70e89669da (bug 1235261) Backed out changeset 064969357fc9 (bug 1235261)
94 lines
3.3 KiB
C++
94 lines
3.3 KiB
C++
/* -*- 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"
|
|
|
|
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
|
|
nsAutoTArray<AudioDataValue, WEBAUDIO_BLOCK_SIZE*4> tmp1;
|
|
nsAutoTArray<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)
|
|
{
|
|
nsAutoTArray<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
|
|
nsAutoTArray<AudioDataValue, WEBAUDIO_BLOCK_SIZE*4> tmp1;
|
|
nsAutoTArray<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
|
|
}
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|