/usr/include/libyami/VideoDecoderInterface.h is in libyami-dev 1.3.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2013 Intel Corporation. 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 VIDEO_DECODER_INTERFACE_H_
#define VIDEO_DECODER_INTERFACE_H_
// config.h should NOT be included in header file, especially for the header file used by external
#include <VideoDecoderDefs.h>
namespace YamiMediaCodec {
/**
* \class IVideoDecoder
* \brief Abstract video decoding interface of libyami
*
* it is the interface with client
*/
class IVideoDecoder {
public:
virtual ~IVideoDecoder() {}
/** \brief configure decoder before decode the first frame
* @param[in] buffer stream information to initialize decoder
* if the configuration in @param buffer doesn't match the information in coming stream,
* future #decode will return YAMI_DECODE_FORMAT_CHANGE (#VIDEO_DECODE_STATUS), it will trigger
* a reconfiguration from client. (yami will not reconfigure decoder internally to avoid mismatch between client and libyami)
*/
virtual YamiStatus start(VideoConfigBuffer* buffer) = 0;
/// \brief reset decoder with new configuration before decoding a new stream
/// @param[in] buffer new stream information to reset decoder. cached data (input data or decoded video frames) are discarded.
virtual YamiStatus reset(VideoConfigBuffer* buffer) = 0;
/// stop decoding and destroy sw/hw decoder context.
virtual void stop(void) = 0;
/// discard cached data (input data or decoded video frames), it is usually required during seek
virtual void flush(void) = 0;
/// continue decoding with new data in @param[in] buffer; send empty data (buffer.data=NULL, buffer.size=0) to indicate EOS
virtual YamiStatus decode(VideoDecodeBuffer* buffer) = 0;
///get decoded frame from decoder.
virtual SharedPtr<VideoFrame> getOutput() = 0;
/** \brief retrieve updated stream information after decoder has parsed the video stream.
* client usually calls it when libyami return YAMI_DECODE_FORMAT_CHANGE in decode().
*/
virtual const VideoFormatInfo* getFormatInfo(void) = 0;
/// set native display
virtual void setNativeDisplay( NativeDisplay * display = NULL) = 0;
virtual void setAllocator(SurfaceAllocator* allocator) = 0;
/*deprecated*/
/// lockable is set to false when seek begins and reset to true after seek is done
/// EOS also set lockable to false
virtual void releaseLock(bool lockable=false) = 0;
/*deprecated*/
///do not use this, we will remove this in near future
virtual VADisplay getDisplayID() = 0;
};
}
#endif /* VIDEO_DECODER_INTERFACE_H_ */
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