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/*
SPDX-FileCopyrightText: 2023 Aleix Pol Gonzalez <aleixpol@kde.org>
SPDX-FileCopyrightText: 2023 Marco Martin <mart@kde.org>
SPDX-FileCopyrightText: 2023 Arjen Hiemstra <ahiemstra@heimr.nl>
SPDX-FileCopyrightText: 2024 Noah Davis <noahadvs@gmail.com>
SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
*/
#include "libwebpencoder_p.h"
#include "pipewireproduce_p.h"
#include <QSize>
#include <QThread>
extern "C" {
#include <libavcodec/avcodec.h>
#include <libavfilter/buffersink.h>
#include <libavfilter/buffersrc.h>
#include <libavutil/pixfmt.h>
}
#include "logging_record.h"
LibWebPEncoder::LibWebPEncoder(PipeWireProduce *produce)
: SoftwareEncoder(produce)
{
}
bool LibWebPEncoder::initialize(const QSize &size)
{
createFilterGraph(size);
auto codec = avcodec_find_encoder_by_name("libwebp");
if (!codec) {
qCWarning(PIPEWIRERECORD_LOGGING) << "libwebp codec not found";
return false;
}
m_avCodecContext = avcodec_alloc_context3(codec);
if (!m_avCodecContext) {
qCWarning(PIPEWIRERECORD_LOGGING) << "Could not allocate video codec context";
return false;
}
Q_ASSERT(!size.isEmpty());
m_avCodecContext->width = size.width();
m_avCodecContext->height = size.height();
m_avCodecContext->pix_fmt = AV_PIX_FMT_YUVA420P;
m_avCodecContext->time_base = AVRational{1, 1000};
AVDictionary *options = nullptr;
if (int result = avcodec_open2(m_avCodecContext, codec, &options); result < 0) {
qCWarning(PIPEWIRERECORD_LOGGING) << "Could not open codec" << av_err2str(result);
return false;
}
return true;
}
int LibWebPEncoder::percentageToAbsoluteQuality(const std::optional<quint8> &quality)
{
return quality.value_or(-1); // Already 0-100. -1 resets to default.
}
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