DSFileRecorder.h

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/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
 
#ifndef META_OCEAN_MEDIA_DS_FILE_RECORDER_H
#define META_OCEAN_MEDIA_DS_FILE_RECORDER_H
 
#include "ocean/media/directshow/DirectShow.h"
#include "ocean/media/directshow/DSRecorder.h"
 
#include "ocean/media/FileRecorder.h"
 
namespace Ocean
{
 
namespace Media
{
 
namespace DirectShow
{
 
/**
 * This class implements a DirectShow file recorder.
 * @ingroup mediads
 */
class OCEAN_MEDIA_DS_EXPORT DSFileRecorder :
    virtual public DSRecorder,
    virtual public FileRecorder
{
    public:
 
        /**
         * Sets the filename of this recorder.
         * @see FileRecroder::setFilename().
         */
        bool setFilename(const std::string& filename) override;
 
        /**
         * Returns whether this recorder is currently recording.
         * @see FileRecorder::isRecording().
         */
        bool isRecording() const override;
 
        /**
         * Sets the recorder.
         * @see FileRecorder::start().
         */
        bool start() override;
 
        /**
         * Stops the recorder.
         * @see FileRecorder::stop().
         */
        bool stop() override;
 
    protected:
 
        /**
         * Creates a new DirectShow file recorder.
         */
        DSFileRecorder() = default;
 
        /**
         * Destructs a DirectShow file recorder.
         */
        ~DSFileRecorder() override;
 
        /**
         * Inserts an AVI MUX and file writer filter to the filter graph.
         * The file writer filter should be connected with a MUX filter.
         * @param outputPin Output pin of e.g. encoder filter which will be connected with the input pin of the file writer filter
         * @return True, if succeeded
         */
        virtual bool insertFileWriterFilter(IPin* outputPin);
 
        /**
         * Releases the filter writer filter.
         */
        void releaseFileWriterFilter();
 
    protected:
 
        /// AVI MUX filter.
        ScopedIBaseFilter aviMuxFilter_;
 
        /// DirectShow file writer filter.
        ScopedIBaseFilter fileWriterFilter_;
 
        /// DirectShow file sink interface.
        ScopedIFileSinkFilter fileSinkInterface_;
};
 
}
 
}
 
}
 
#endif // META_OCEAN_MEDIA_DS_FILE_RECORDER_H