gst-nvdstexttospeech/includes/nvdscustomlib_base.hpp

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2021 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 * SPDX-License-Identifier: LicenseRef-NvidiaProprietary
 *
 * NVIDIA CORPORATION, its affiliates and licensors retain all intellectual
 * property and proprietary rights in and to this material, related
 * documentation and any modifications thereto. Any use, reproduction,
 * disclosure or distribution of this material and related documentation
 * without an express license agreement from NVIDIA CORPORATION or
 * its affiliates is strictly prohibited.
 */
 
#ifndef __NVDS_TTS_CUSTOMLIB_BASE_HPP__
#define __NVDS_TTS_CUSTOMLIB_BASE_HPP__
 
#include <gst/audio/audio.h>
#include <gst/base/gstbasetransform.h>
 
#include "nvdscustomlib_interface.hpp"
 
 
namespace nvdstts {
 
class DSCustomLibraryBase : public IDSCustomLibrary {
public:
    DSCustomLibraryBase() = default;
    virtual ~DSCustomLibraryBase() override;
 
    bool Initialize() override;
 
    /* Set Init Parameters */
    bool StartWithParams(DSCustom_CreateParams* params) override;
 
    /* Set Each Property */
    bool SetProperty(const Property& prop) override;
 
    /* Get Compatible Input/Output Caps */
    GstCaps* GetCompatibleCaps(
        GstPadDirection direction, GstCaps* inCaps,
        GstCaps* otherCaps) override;
 
    /* Handle event, e.g. EOS... */
    bool HandleEvent(GstEvent* event) override { return true; }
 
    /* Process Input Buffer */
    BufferResult ProcessBuffer(GstBuffer* inbuf) override = 0;
 
protected:
    /* Gstreamer dstts plugin's base class reference */
    GstBaseTransform* m_element{nullptr};
    /* Gst Caps Information */
    GstCaps* m_inCaps{nullptr};
    GstCaps* m_outCaps{nullptr};
    std::string m_configFile;
 
    /* Audio Information */
    /* Output Information */
    CapsType m_OutType = CapsType::kNone;
    GstAudioInfo m_outAudioInfo{nullptr, GST_AUDIO_FLAG_NONE};
    GstAudioFormat m_outAudioFmt = GST_AUDIO_FORMAT_UNKNOWN;
};
 
}  // namespace nvdstts
 
#endif