blob: c55d2a56de97340ba1c4ab7860914fffaff90c5e [file] [log] [blame]
/*
* Copyright (C) 2020 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "MediaUtilities.h"
#include "AudioStreamDescription.h"
#include "WebAudioBufferList.h"
#include <wtf/SoftLinking.h>
#include <pal/cf/CoreMediaSoftLink.h>
namespace WebCore {
RetainPtr<CMFormatDescriptionRef> createAudioFormatDescription(const AudioStreamDescription& description, size_t magicCookieSize, const void* magicCookie)
{
auto basicDescription = std::get<const AudioStreamBasicDescription*>(description.platformDescription().description);
CMFormatDescriptionRef format = nullptr;
auto error = PAL::CMAudioFormatDescriptionCreate(kCFAllocatorDefault, basicDescription, 0, nullptr, magicCookieSize, magicCookie, nullptr, &format);
if (error) {
LOG_ERROR("createAudioFormatDescription failed with %d", static_cast<int>(error));
return nullptr;
}
return adoptCF(format);
}
RetainPtr<CMSampleBufferRef> createAudioSampleBuffer(const PlatformAudioData& data, const AudioStreamDescription& description, CMTime time, size_t sampleCount)
{
// FIXME: check if we can reuse the format for multiple sample buffers.
auto format = createAudioFormatDescription(description);
if (!format)
return nullptr;
CMSampleBufferRef sampleBuffer = nullptr;
auto error = PAL::CMAudioSampleBufferCreateWithPacketDescriptions(kCFAllocatorDefault, nullptr, false, nullptr, nullptr, format.get(), sampleCount, time, nullptr, &sampleBuffer);
if (error) {
LOG_ERROR("createAudioSampleBuffer with packet descriptions failed - %d", static_cast<int>(error));
return nullptr;
}
auto buffer = adoptCF(sampleBuffer);
error = PAL::CMSampleBufferSetDataBufferFromAudioBufferList(buffer.get(), kCFAllocatorDefault, kCFAllocatorDefault, 0, downcast<WebAudioBufferList>(data).list());
if (error) {
LOG_ERROR("createAudioSampleBuffer from audio buffer list failed - %d", static_cast<int>(error));
return nullptr;
}
return buffer;
}
} // namespace WebCore