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authorAnton Yabchinskiy <arn@bestmx.ru>2015-11-02 20:25:01 +0300
committerAnton Yabchinskiy <arn@bestmx.ru>2015-11-02 20:25:01 +0300
commit3b9868d2e44740c03861c64020a8b5d4d6da031d (patch)
tree8ff5f9671122f946487848ce286d336c9b650c2c /drivers/opus/silk/init_encoder.c
parentdc8df8a91a995796f0f330bf6bb6b209f6dfce08 (diff)
parentb2f9acb8c96aed0505cbac21661e21e4acef710f (diff)
Merge branch 'master' of github.com:okamstudio/godot
Diffstat (limited to 'drivers/opus/silk/init_encoder.c')
-rw-r--r--drivers/opus/silk/init_encoder.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/opus/silk/init_encoder.c b/drivers/opus/silk/init_encoder.c
new file mode 100644
index 0000000000..baf97d49e7
--- /dev/null
+++ b/drivers/opus/silk/init_encoder.c
@@ -0,0 +1,64 @@
+/***********************************************************************
+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.
+***********************************************************************/
+
+#ifdef OPUS_HAVE_CONFIG_H
+#include "opus_config.h"
+#endif
+#ifdef OPUS_FIXED_POINT
+#include "main_FIX.h"
+#else
+#include "main_FLP.h"
+#endif
+#include "tuning_parameters.h"
+#include "cpu_support.h"
+
+/*********************************/
+/* Initialize Silk Encoder state */
+/*********************************/
+opus_int silk_init_encoder(
+ silk_encoder_state_Fxx *psEnc, /* I/O Pointer to Silk FIX encoder state */
+ int arch /* I Run-time architecture */
+)
+{
+ opus_int ret = 0;
+
+ /* Clear the entire encoder state */
+ silk_memset( psEnc, 0, sizeof( silk_encoder_state_Fxx ) );
+
+ psEnc->sCmn.arch = arch;
+
+ psEnc->sCmn.variable_HP_smth1_Q15 = silk_LSHIFT( silk_lin2log( SILK_FIX_CONST( VARIABLE_HP_MIN_CUTOFF_HZ, 16 ) ) - ( 16 << 7 ), 8 );
+ psEnc->sCmn.variable_HP_smth2_Q15 = psEnc->sCmn.variable_HP_smth1_Q15;
+
+ /* Used to deactivate LSF interpolation, pitch prediction */
+ psEnc->sCmn.first_frame_after_reset = 1;
+
+ /* Initialize Silk VAD */
+ ret += silk_VAD_Init( &psEnc->sCmn.sVAD );
+
+ return ret;
+}