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Unified Diff: webrtc/modules/audio_coding/codecs/opus/opus/src/silk/PLC.h

Issue 1612443002: Create local copy of Opus v1.1.2 Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: testing if neteq4_opus_network_stats.dat.sha1 needs to be updated Created 4 years, 11 months ago
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Index: webrtc/modules/audio_coding/codecs/opus/opus/src/silk/PLC.h
diff --git a/webrtc/modules/audio_coding/codecs/opus/opus/src/silk/PLC.h b/webrtc/modules/audio_coding/codecs/opus/opus/src/silk/PLC.h
new file mode 100644
index 0000000000000000000000000000000000000000..6438f516330e6e9fbc3eef2fb19ba2399bd88232
--- /dev/null
+++ b/webrtc/modules/audio_coding/codecs/opus/opus/src/silk/PLC.h
@@ -0,0 +1,62 @@
+/***********************************************************************
+Copyright (c) 2006-2011, Skype Limited. All rights reserved.
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+- Redistributions of source code must retain the above copyright notice,
+this list of conditions and the following disclaimer.
+- Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+- Neither the name of Internet Society, IETF or IETF Trust, nor the
+names of specific contributors, may be used to endorse or promote
+products derived from this software without specific prior written
+permission.
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+***********************************************************************/
+
+#ifndef SILK_PLC_H
+#define SILK_PLC_H
+
+#include "main.h"
+
+#define BWE_COEF 0.99
+#define V_PITCH_GAIN_START_MIN_Q14 11469 /* 0.7 in Q14 */
+#define V_PITCH_GAIN_START_MAX_Q14 15565 /* 0.95 in Q14 */
+#define MAX_PITCH_LAG_MS 18
+#define RAND_BUF_SIZE 128
+#define RAND_BUF_MASK ( RAND_BUF_SIZE - 1 )
+#define LOG2_INV_LPC_GAIN_HIGH_THRES 3 /* 2^3 = 8 dB LPC gain */
+#define LOG2_INV_LPC_GAIN_LOW_THRES 8 /* 2^8 = 24 dB LPC gain */
+#define PITCH_DRIFT_FAC_Q16 655 /* 0.01 in Q16 */
+
+void silk_PLC_Reset(
+ silk_decoder_state *psDec /* I/O Decoder state */
+);
+
+void silk_PLC(
+ silk_decoder_state *psDec, /* I/O Decoder state */
+ silk_decoder_control *psDecCtrl, /* I/O Decoder control */
+ opus_int16 frame[], /* I/O signal */
+ opus_int lost, /* I Loss flag */
+ int arch /* I Run-time architecture */
+);
+
+void silk_PLC_glue_frames(
+ silk_decoder_state *psDec, /* I/O decoder state */
+ opus_int16 frame[], /* I/O signal */
+ opus_int length /* I length of signal */
+);
+
+#endif
+

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