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| 1 /* | 1 /* |
| 2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
| 5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
| 6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ | 9 */ |
| 10 | 10 |
| 11 | 11 |
| 12 /* | 12 /* |
| 13 * This header file contains some internal resampling functions. | 13 * This header file contains some internal resampling functions. |
| 14 * | 14 * |
| 15 */ | 15 */ |
| 16 | 16 |
| 17 #ifndef WEBRTC_SPL_RESAMPLE_BY_2_INTERNAL_H_ | 17 #ifndef WEBRTC_COMMON_AUDIO_SIGNAL_PROCESSING_RESAMPLE_BY_2_INTERNAL_H_ |
| 18 #define WEBRTC_SPL_RESAMPLE_BY_2_INTERNAL_H_ | 18 #define WEBRTC_COMMON_AUDIO_SIGNAL_PROCESSING_RESAMPLE_BY_2_INTERNAL_H_ |
| 19 | 19 |
| 20 #include "webrtc/typedefs.h" | 20 #include "webrtc/typedefs.h" |
| 21 | 21 |
| 22 /******************************************************************* | 22 /******************************************************************* |
| 23 * resample_by_2_fast.c | 23 * resample_by_2_fast.c |
| 24 * Functions for internal use in the other resample functions | 24 * Functions for internal use in the other resample functions |
| 25 ******************************************************************/ | 25 ******************************************************************/ |
| 26 void WebRtcSpl_DownBy2IntToShort(int32_t *in, int32_t len, int16_t *out, | 26 void WebRtcSpl_DownBy2IntToShort(int32_t *in, int32_t len, int16_t *out, |
| 27 int32_t *state); | 27 int32_t *state); |
| 28 | 28 |
| 29 void WebRtcSpl_DownBy2ShortToInt(const int16_t *in, int32_t len, | 29 void WebRtcSpl_DownBy2ShortToInt(const int16_t *in, int32_t len, |
| 30 int32_t *out, int32_t *state); | 30 int32_t *out, int32_t *state); |
| 31 | 31 |
| 32 void WebRtcSpl_UpBy2ShortToInt(const int16_t *in, int32_t len, | 32 void WebRtcSpl_UpBy2ShortToInt(const int16_t *in, int32_t len, |
| 33 int32_t *out, int32_t *state); | 33 int32_t *out, int32_t *state); |
| 34 | 34 |
| 35 void WebRtcSpl_UpBy2IntToInt(const int32_t *in, int32_t len, int32_t *out, | 35 void WebRtcSpl_UpBy2IntToInt(const int32_t *in, int32_t len, int32_t *out, |
| 36 int32_t *state); | 36 int32_t *state); |
| 37 | 37 |
| 38 void WebRtcSpl_UpBy2IntToShort(const int32_t *in, int32_t len, | 38 void WebRtcSpl_UpBy2IntToShort(const int32_t *in, int32_t len, |
| 39 int16_t *out, int32_t *state); | 39 int16_t *out, int32_t *state); |
| 40 | 40 |
| 41 void WebRtcSpl_LPBy2ShortToInt(const int16_t* in, int32_t len, | 41 void WebRtcSpl_LPBy2ShortToInt(const int16_t* in, int32_t len, |
| 42 int32_t* out, int32_t* state); | 42 int32_t* out, int32_t* state); |
| 43 | 43 |
| 44 void WebRtcSpl_LPBy2IntToInt(const int32_t* in, int32_t len, int32_t* out, | 44 void WebRtcSpl_LPBy2IntToInt(const int32_t* in, int32_t len, int32_t* out, |
| 45 int32_t* state); | 45 int32_t* state); |
| 46 | 46 |
| 47 #endif // WEBRTC_SPL_RESAMPLE_BY_2_INTERNAL_H_ | 47 #endif // WEBRTC_COMMON_AUDIO_SIGNAL_PROCESSING_RESAMPLE_BY_2_INTERNAL_H_ |
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