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Diffstat (limited to 'third_party/libwebrtc/common_audio/signal_processing/resample_by_2_internal.h')
| -rw-r--r-- | third_party/libwebrtc/common_audio/signal_processing/resample_by_2_internal.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/third_party/libwebrtc/common_audio/signal_processing/resample_by_2_internal.h b/third_party/libwebrtc/common_audio/signal_processing/resample_by_2_internal.h new file mode 100644 index 0000000000..145395a4cb --- /dev/null +++ b/third_party/libwebrtc/common_audio/signal_processing/resample_by_2_internal.h @@ -0,0 +1,60 @@ +/* + * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +/* + * This header file contains some internal resampling functions. + * + */ + +#ifndef COMMON_AUDIO_SIGNAL_PROCESSING_RESAMPLE_BY_2_INTERNAL_H_ +#define COMMON_AUDIO_SIGNAL_PROCESSING_RESAMPLE_BY_2_INTERNAL_H_ + +#include <stdint.h> + +/******************************************************************* + * resample_by_2_fast.c + * Functions for internal use in the other resample functions + ******************************************************************/ +void WebRtcSpl_DownBy2IntToShort(int32_t* in, + int32_t len, + int16_t* out, + int32_t* state); + +void WebRtcSpl_DownBy2ShortToInt(const int16_t* in, + int32_t len, + int32_t* out, + int32_t* state); + +void WebRtcSpl_UpBy2ShortToInt(const int16_t* in, + int32_t len, + int32_t* out, + int32_t* state); + +void WebRtcSpl_UpBy2IntToInt(const int32_t* in, + int32_t len, + int32_t* out, + int32_t* state); + +void WebRtcSpl_UpBy2IntToShort(const int32_t* in, + int32_t len, + int16_t* out, + int32_t* state); + +void WebRtcSpl_LPBy2ShortToInt(const int16_t* in, + int32_t len, + int32_t* out, + int32_t* state); + +void WebRtcSpl_LPBy2IntToInt(const int32_t* in, + int32_t len, + int32_t* out, + int32_t* state); + +#endif // COMMON_AUDIO_SIGNAL_PROCESSING_RESAMPLE_BY_2_INTERNAL_H_ |