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// Copyright 2005-2016 The Mumble Developers. All rights reserved.
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file at the root of the
// Mumble source tree or at <https://www.mumble.info/LICENSE>.
#ifndef MUMBLE_MUMBLE_CELTCODEC_H_
#define MUMBLE_MUMBLE_CELTCODEC_H_
#include <stdint.h>
#include <celt.h>
#include <QtCore/QLibrary>
#include <QtCore/QString>
#ifndef Q_OS_WIN
#define __cdecl
#endif
class CELTCodec {
private:
Q_DISABLE_COPY(CELTCodec)
protected:
const CELTMode *cmMode;
QString qsVersion;
QLibrary qlCELT;
bool bValid;
mutable int iBitstreamVersion;
void (*celt_mode_destroy)(CELTMode *mode);
int (__cdecl *celt_mode_info)(const CELTMode *mode, int request, celt_int32 *value);
public:
void (__cdecl *celt_encoder_destroy)(CELTEncoder *st);
int (__cdecl *celt_encoder_ctl)(CELTEncoder * st, int request, ...);
void (__cdecl *celt_decoder_destroy)(CELTDecoder *st);
int (__cdecl *celt_decoder_ctl)(CELTDecoder * st, int request, ...);
CELTCodec(const QString &celt_version);
virtual ~CELTCodec();
bool isValid() const;
int bitstreamVersion() const;
QString version() const;
virtual void report() const;
virtual CELTEncoder *encoderCreate() = 0;
virtual CELTDecoder *decoderCreate() = 0;
virtual int encode(CELTEncoder *st, const celt_int16 *pcm, unsigned char *compressed, int nbCompressedBytes) = 0;
virtual int decode_float(CELTDecoder *st, const unsigned char *data, int len, float *pcm) = 0;
};
class CELTCodec070 : public CELTCodec {
protected:
CELTMode *(*celt_mode_create)(celt_int32 Fs, int frame_size, int *error);
CELTEncoder *(__cdecl *celt_encoder_create)(const CELTMode *mode, int channels, int *error);
CELTDecoder *(__cdecl *celt_decoder_create)(const CELTMode *mode, int channels, int *error);
int (__cdecl *celt_encode_float)(CELTEncoder *st, const float *pcm, float *optional_synthesis, unsigned char *compressed, int nbCompressedBytes);
int (__cdecl *celt_encode)(CELTEncoder *st, const celt_int16 *pcm, celt_int16 *optional_synthesis, unsigned char *compressed, int nbCompressedBytes);
int (__cdecl *celt_decode_float)(CELTDecoder *st, const unsigned char *data, int len, float *pcm);
int (__cdecl *celt_decode)(CELTDecoder *st, const unsigned char *data, int len, celt_int16 *pcm);
const char *(__cdecl *celt_strerror)(int error);
public:
CELTCodec070(const QString &celt_version);
CELTEncoder *encoderCreate() Q_DECL_OVERRIDE;
CELTDecoder *decoderCreate() Q_DECL_OVERRIDE;
int encode(CELTEncoder *st, const celt_int16 *pcm, unsigned char *compressed, int nbCompressedBytes) Q_DECL_OVERRIDE;
int decode_float(CELTDecoder *st, const unsigned char *data, int len, float *pcm) Q_DECL_OVERRIDE;
};
class CELTCodec011 : public CELTCodec {
protected:
CELTMode *(*celt_mode_create)(celt_int32 Fs, int frame_size, int *error);
CELTEncoder *(__cdecl *celt_encoder_create_custom)(const CELTMode *mode, int channels, int *error);
CELTDecoder *(__cdecl *celt_decoder_create_custom)(const CELTMode *mode, int channels, int *error);
int (__cdecl *celt_encode_float)(CELTEncoder *st, const float *pcm, int frame_size, unsigned char *compressed, int nbCompressedBytes);
int (__cdecl *celt_encode)(CELTEncoder *st, const celt_int16 *pcm, int frame_size, unsigned char *compressed, int nbCompressedBytes);
int (__cdecl *celt_decode_float)(CELTDecoder *st, const unsigned char *data, int len, float *pcm, int frame_size);
int (__cdecl *celt_decode)(CELTDecoder *st, const unsigned char *data, int len, celt_int16 *pcm, int frame_size);
const char *(__cdecl *celt_strerror)(int error);
public:
CELTCodec011(const QString &celt_version);
CELTEncoder *encoderCreate() Q_DECL_OVERRIDE;
CELTDecoder *decoderCreate() Q_DECL_OVERRIDE;
int encode(CELTEncoder *st, const celt_int16 *pcm, unsigned char *compressed, int nbCompressedBytes) Q_DECL_OVERRIDE;
int decode_float(CELTDecoder *st, const unsigned char *data, int len, float *pcm) Q_DECL_OVERRIDE;
};
class CELTCodecSBCELT : public CELTCodec {
protected:
const CELTMode *cmSBCELTMode;
public:
CELTCodecSBCELT();
CELTEncoder *encoderCreate() Q_DECL_OVERRIDE;
CELTDecoder *decoderCreate() Q_DECL_OVERRIDE;
int encode(CELTEncoder *st, const celt_int16 *pcm, unsigned char *compressed, int nbCompressedBytes) Q_DECL_OVERRIDE;
int decode_float(CELTDecoder *st, const unsigned char *data, int len, float *pcm) Q_DECL_OVERRIDE;
};
#endif // CELTCODEC_H_
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