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Diffstat (limited to '')
| -rw-r--r-- | third_party/libwebrtc/modules/audio_coding/codecs/ilbc/augmented_cb_corr.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/audio_coding/codecs/ilbc/augmented_cb_corr.h b/third_party/libwebrtc/modules/audio_coding/codecs/ilbc/augmented_cb_corr.h new file mode 100644 index 0000000000..2e9612e51a --- /dev/null +++ b/third_party/libwebrtc/modules/audio_coding/codecs/ilbc/augmented_cb_corr.h @@ -0,0 +1,42 @@ +/* + * 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. + */ + +/****************************************************************** + + iLBC Speech Coder ANSI-C Source Code + + WebRtcIlbcfix_AugmentedCbCorr.h + +******************************************************************/ + +#ifndef MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_AUGMENTED_CB_CORR_H_ +#define MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_AUGMENTED_CB_CORR_H_ + +#include <stddef.h> +#include <stdint.h> + +/*----------------------------------------------------------------* + * Calculate correlation between target and Augmented codebooks + *---------------------------------------------------------------*/ + +void WebRtcIlbcfix_AugmentedCbCorr( + int16_t* target, /* (i) Target vector */ + int16_t* buffer, /* (i) Memory buffer */ + int16_t* interpSamples, /* (i) buffer with + interpolated samples */ + int32_t* crossDot, /* (o) The cross correlation between + the target and the Augmented + vector */ + size_t low, /* (i) Lag to start from (typically + 20) */ + size_t high, /* (i) Lag to end at (typically 39 */ + int scale); /* (i) Scale factor to use for the crossDot */ + +#endif |