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/*
* Copyright (C) 2018 Metrological Group B.V.
* Copyright (C) 2018 Igalia S.L. All rights reserved.
*
* 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
#include "GStreamerCommon.h"
#include "VideoEncoderScalabilityMode.h"
#include <wtf/TZoneMalloc.h>
#define WEBKIT_TYPE_VIDEO_ENCODER (webkit_video_encoder_get_type())
#define WEBKIT_VIDEO_ENCODER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), WEBKIT_TYPE_VIDEO_ENCODER, WebKitVideoEncoder))
#define WEBKIT_VIDEO_ENCODER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), WEBKIT_TYPE_VIDEO_ENCODER, WebKitVideoEncoderClass))
#define WEBKIT_IS_VIDEO_ENCODER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), WEBKIT_TYPE_VIDEO_ENCODER))
#define WEBKIT_IS_VIDEO_ENCODER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), WEBKIT_TYPE_VIDEO_ENCODER))
typedef struct _WebKitVideoEncoder WebKitVideoEncoder;
typedef struct _WebKitVideoEncoderClass WebKitVideoEncoderClass;
typedef struct _WebKitVideoEncoderPrivate WebKitVideoEncoderPrivate;
struct _WebKitVideoEncoder {
GstBin parent;
WebKitVideoEncoderPrivate* priv;
};
struct _WebKitVideoEncoderClass {
GstBinClass parentClass;
};
GType webkit_video_encoder_get_type(void);
class WebKitVideoEncoderBitRateAllocation : public RefCounted<WebKitVideoEncoderBitRateAllocation> {
WTF_MAKE_TZONE_ALLOCATED(WebKitVideoEncoderBitRateAllocation);
WTF_MAKE_NONCOPYABLE(WebKitVideoEncoderBitRateAllocation);
public:
static Ref<WebKitVideoEncoderBitRateAllocation> create(WebCore::VideoEncoderScalabilityMode scalabilityMode)
{
return adoptRef(*new WebKitVideoEncoderBitRateAllocation(scalabilityMode));
}
static const unsigned MaxSpatialLayers = 5;
static const unsigned MaxTemporalLayers = 4;
void setBitRate(unsigned spatialLayerIndex, unsigned temporalLayerIndex, uint32_t bitRate)
{
RELEASE_ASSERT(spatialLayerIndex < MaxSpatialLayers);
RELEASE_ASSERT(temporalLayerIndex < MaxTemporalLayers);
m_bitRates[spatialLayerIndex][temporalLayerIndex].emplace(bitRate);
}
std::optional<uint32_t> getBitRate(unsigned spatialLayerIndex, unsigned temporalLayerIndex) const
{
if (UNLIKELY(spatialLayerIndex >= MaxSpatialLayers))
return std::nullopt;
if (UNLIKELY(temporalLayerIndex >= MaxTemporalLayers))
return std::nullopt;
return m_bitRates[spatialLayerIndex][temporalLayerIndex];
}
WebCore::VideoEncoderScalabilityMode scalabilityMode() const { return m_scalabilityMode; }
private:
WebKitVideoEncoderBitRateAllocation(WebCore::VideoEncoderScalabilityMode scalabilityMode)
: m_scalabilityMode(scalabilityMode)
{ }
WebCore::VideoEncoderScalabilityMode m_scalabilityMode;
std::array<std::array<std::optional<uint32_t>, MaxSpatialLayers>, MaxTemporalLayers> m_bitRates;
};
bool videoEncoderSupportsCodec(WebKitVideoEncoder*, const String&);
bool videoEncoderSetCodec(WebKitVideoEncoder*, const String&, std::optional<WebCore::IntSize> = std::nullopt, std::optional<double> frameRate = std::nullopt);
void videoEncoderSetBitRateAllocation(WebKitVideoEncoder*, RefPtr<WebKitVideoEncoderBitRateAllocation>&&);
void teardownVideoEncoderSingleton();
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