/usr/include/freerdp/utils/dsp.h is in libfreerdp-dev 1.0.2-2ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | /**
* FreeRDP: A Remote Desktop Protocol client.
* Digital Sound Processing
*
* Copyright 2010-2011 Vic Lee
*
* 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 __DSP_UTILS_H
#define __DSP_UTILS_H
#include <freerdp/api.h>
struct _ADPCM
{
sint16 last_sample[2];
sint16 last_step[2];
};
typedef struct _ADPCM ADPCM;
FREERDP_API uint8* dsp_resample(uint8* src, int bytes_per_sample,
uint32 schan, uint32 srate, int sframes,
uint32 rchan, uint32 rrate, int * prframes);
FREERDP_API uint8* dsp_decode_ima_adpcm(ADPCM* adpcm,
uint8* src, int size, int channels, int block_size, int* out_size);
FREERDP_API uint8* dsp_encode_ima_adpcm(ADPCM* adpcm,
uint8* src, int size, int channels, int block_size, int* out_size);
#endif /* __DSP_UTILS_H */
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