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Diffstat (limited to '')
-rw-r--r-- | third_party/libwebrtc/modules/audio_coding/codecs/ilbc/vq4.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/audio_coding/codecs/ilbc/vq4.h b/third_party/libwebrtc/modules/audio_coding/codecs/ilbc/vq4.h new file mode 100644 index 0000000000..0337368bcb --- /dev/null +++ b/third_party/libwebrtc/modules/audio_coding/codecs/ilbc/vq4.h @@ -0,0 +1,36 @@ +/* + * 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_Vq4.h + +******************************************************************/ + +#ifndef MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_VQ4_H_ +#define MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_VQ4_H_ + +#include <stdint.h> + +/*----------------------------------------------------------------* + * Vector quantization of order 4 (based on MSE) + *---------------------------------------------------------------*/ + +void WebRtcIlbcfix_Vq4( + int16_t* Xq, /* (o) the quantized vector (Q13) */ + int16_t* index, /* (o) the quantization index */ + int16_t* CB, /* (i) the vector quantization codebook (Q13) */ + int16_t* X, /* (i) the vector to quantize (Q13) */ + int16_t n_cb /* (i) the number of vectors in the codebook */ +); + +#endif |