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/*
* Copyright (C) 2023 Igalia S.L
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* aint with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#pragma once
#if ENABLE(WEB_CODECS)
#include <optional>
#include <wtf/Algorithms.h>
#include <wtf/Vector.h>
namespace WebCore {
enum class OpusBitstreamFormat : uint8_t {
Opus,
Ogg
};
// https://www.w3.org/TR/webcodecs-opus-codec-registration/#opus-encoder-config
struct OpusEncoderConfig {
bool isValid()
{
float frameDurationMs = frameDuration / 1000.0;
if (!WTF::anyOf(Vector<float> { 2.5, 5, 10, 20, 40, 60, 120 }, [frameDurationMs](auto value) -> bool {
return WTF::areEssentiallyEqual(value, frameDurationMs);
})) {
return false;
}
if (complexity > 10)
return false;
if (packetlossperc > 100)
return false;
return true;
}
using BitstreamFormat = OpusBitstreamFormat;
OpusBitstreamFormat format { OpusBitstreamFormat::Opus };
uint64_t frameDuration { 20000 };
size_t complexity { 9 };
size_t packetlossperc { 0 };
bool useinbandfec { false };
bool usedtx { false };
};
}
#endif // ENABLE(WEB_CODECS)
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