nugu_decoder.h

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/*
 * Copyright (c) 2019 SK Telecom Co., Ltd. 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 __NUGU_DECODER_H__
#define __NUGU_DECODER_H__
 
#include <nugu.h>
#include <base/nugu_pcm.h>
#include <base/nugu_buffer.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct _nugu_decoder NuguDecoder;
 
typedef struct _nugu_decoder_driver NuguDecoderDriver;
 
NUGU_API NuguDecoder *nugu_decoder_new(NuguDecoderDriver *driver,
                                       NuguPcm *sink);
 
NUGU_API int nugu_decoder_free(NuguDecoder *dec);
 
NUGU_API int nugu_decoder_play(NuguDecoder *dec, const void *data,
                               size_t data_len);
 
NUGU_API int nugu_decoder_set_driver_data(NuguDecoder *dec, void *data);
 
NUGU_API void *nugu_decoder_get_driver_data(NuguDecoder *dec);
 
NUGU_API void *nugu_decoder_decode(NuguDecoder *dec, const void *data,
                                   size_t data_len, size_t *output_len);
 
NUGU_API NuguPcm *nugu_decoder_get_pcm(NuguDecoder *dec);
 
enum nugu_decoder_type {
        NUGU_DECODER_TYPE_OPUS, 
        NUGU_DECODER_TYPE_CUSTOM = 99 
};
 
struct nugu_decoder_driver_ops {
        int (*create)(NuguDecoderDriver *driver, NuguDecoder *dec);
 
        int (*decode)(NuguDecoderDriver *driver, NuguDecoder *dec,
                      const void *data, size_t data_len, NuguBuffer *out_buf);
        int (*destroy)(NuguDecoderDriver *driver, NuguDecoder *dec);
};
 
NUGU_API NuguDecoderDriver *
nugu_decoder_driver_new(const char *name, enum nugu_decoder_type type,
                        struct nugu_decoder_driver_ops *ops);
 
NUGU_API int nugu_decoder_driver_free(NuguDecoderDriver *driver);
 
NUGU_API int nugu_decoder_driver_register(NuguDecoderDriver *driver);
 
NUGU_API int nugu_decoder_driver_remove(NuguDecoderDriver *driver);
 
NUGU_API NuguDecoderDriver *nugu_decoder_driver_find(const char *name);
 
NUGU_API NuguDecoderDriver *
nugu_decoder_driver_find_bytype(enum nugu_decoder_type type);
 
#ifdef __cplusplus
}
#endif
 
#endif