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/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef COMMON_CRAS_AUDIO_CODEC_H_
#define COMMON_CRAS_AUDIO_CODEC_H_
/* A audio codec that transforms audio between different formats.
* decode - Function to decode audio samples. Returns the number of decoded
* bytes of input buffer, number of decoded bytes of output buffer
* will be filled in count.
* encode - Function to encode audio samples. Returns the number of encoded
* bytes of input buffer, number of encoded bytes of output buffer
* will be filled in count.
* priv_data - Private data for specific use.
*/
struct cras_audio_codec {
int (*decode)(struct cras_audio_codec *codec, const void *input,
size_t input_len, void *output, size_t output_len,
size_t *count);
int (*encode)(struct cras_audio_codec *codec, const void *input,
size_t intput_len, void *output, size_t output_len,
size_t *count);
void *priv_data;
};
#endif /* COMMON_CRAS_AUDIO_CODEC_H_ */
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