diff options
Diffstat (limited to 'third_party/libwebrtc/modules/audio_coding/codecs/ilbc/abs_quant.h')
-rw-r--r-- | third_party/libwebrtc/modules/audio_coding/codecs/ilbc/abs_quant.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/audio_coding/codecs/ilbc/abs_quant.h b/third_party/libwebrtc/modules/audio_coding/codecs/ilbc/abs_quant.h new file mode 100644 index 0000000000..c72e29cf29 --- /dev/null +++ b/third_party/libwebrtc/modules/audio_coding/codecs/ilbc/abs_quant.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_AbsQuant.h + +******************************************************************/ + +#ifndef MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_ABS_QUANT_H_ +#define MODULES_AUDIO_CODING_CODECS_ILBC_MAIN_SOURCE_ABS_QUANT_H_ + +#include <stddef.h> +#include <stdint.h> + +#include "modules/audio_coding/codecs/ilbc/defines.h" + +/*----------------------------------------------------------------* + * predictive noise shaping encoding of scaled start state + * (subrutine for WebRtcIlbcfix_StateSearch) + *---------------------------------------------------------------*/ + +void WebRtcIlbcfix_AbsQuant( + IlbcEncoder* iLBCenc_inst, + /* (i) Encoder instance */ + iLBC_bits* iLBC_encbits, /* (i/o) Encoded bits (outputs idxForMax + and idxVec, uses state_first as + input) */ + int16_t* in, /* (i) vector to encode */ + int16_t* weightDenum /* (i) denominator of synthesis filter */ + ); + +#endif |