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// Copyright 2017 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef STARBOARD_RASPI_SHARED_OPEN_MAX_OPEN_MAX_IMAGE_DECODE_COMPONENT_H_
#define STARBOARD_RASPI_SHARED_OPEN_MAX_OPEN_MAX_IMAGE_DECODE_COMPONENT_H_
#include "starboard/decode_target.h"
#include "starboard/raspi/shared/open_max/open_max_component.h"
#include "starboard/raspi/shared/open_max/open_max_egl_render_component.h"
namespace starboard {
namespace raspi {
namespace shared {
namespace open_max {
// Facilitate using the GPU to decode images of various formats. This
// encapsulates the "OMX.broadcom.image_decode" component.
class OpenMaxImageDecodeComponent : private OpenMaxComponent {
public:
OpenMaxImageDecodeComponent();
// Return the enumerated image format if the given mime type is supported.
// If the mime type is not supported, then OMX_IMAGE_CodingMax is returned.
static OMX_IMAGE_CODINGTYPE GetCompressionFormat(const char* mime_type);
// Decode the given data to a decode target.
SbDecodeTarget Decode(SbDecodeTargetGraphicsContextProvider* provider,
const char* mime_type,
SbDecodeTargetFormat output_format,
const void* data,
int data_size);
private:
void SetInputFormat(const char* mime_type, SbDecodeTargetFormat format);
void SetOutputFormat(OMX_COLOR_FORMATTYPE format, int width, int height);
int ProcessOutput();
// OpenMaxComponent callbacks
bool OnEnableOutputPort(OMXParamPortDefinition* port_definition) override;
enum State {
kStateIdle,
kStateInputReady,
kStateSetTunnelOutput,
kStateOutputReady,
kStateDecodeDone,
};
OpenMaxEglRenderComponent render_component_;
State state_;
SbDecodeTargetGraphicsContextProvider* graphics_context_provider_;
SbDecodeTargetPrivate* target_;
OMX_IMAGE_CODINGTYPE input_format_;
};
} // namespace open_max
} // namespace shared
} // namespace raspi
} // namespace starboard
#endif // STARBOARD_RASPI_SHARED_OPEN_MAX_OPEN_MAX_IMAGE_DECODE_COMPONENT_H_