diff options
author | Christian Schneppe <christian@pix-art.de> | 2016-08-26 23:48:48 +0200 |
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committer | Christian Schneppe <christian@pix-art.de> | 2016-08-28 21:33:19 +0200 |
commit | b3b3475e93a9b08f9e35edbf74673728b560ad3b (patch) | |
tree | fc72bfce668b358310061c0a94736a0bd14e8b5d /src/main/jni/opus/silk/fixed/LTP_scale_ctrl_FIX.c | |
parent | 1f7f535d37b844dbd87447e1872c270edbca1302 (diff) |
compress videos bigger than 10 MB before sending
Diffstat (limited to 'src/main/jni/opus/silk/fixed/LTP_scale_ctrl_FIX.c')
-rw-r--r-- | src/main/jni/opus/silk/fixed/LTP_scale_ctrl_FIX.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/main/jni/opus/silk/fixed/LTP_scale_ctrl_FIX.c b/src/main/jni/opus/silk/fixed/LTP_scale_ctrl_FIX.c new file mode 100644 index 000000000..3dcedef89 --- /dev/null +++ b/src/main/jni/opus/silk/fixed/LTP_scale_ctrl_FIX.c @@ -0,0 +1,53 @@ +/*********************************************************************** +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 HAVE_CONFIG_H +#include "config.h" +#endif + +#include "main_FIX.h" + +/* Calculation of LTP state scaling */ +void silk_LTP_scale_ctrl_FIX( + silk_encoder_state_FIX *psEnc, /* I/O encoder state */ + silk_encoder_control_FIX *psEncCtrl, /* I/O encoder control */ + opus_int condCoding /* I The type of conditional coding to use */ +) +{ + opus_int round_loss; + + if( condCoding == CODE_INDEPENDENTLY ) { + /* Only scale if first frame in packet */ + round_loss = psEnc->sCmn.PacketLoss_perc + psEnc->sCmn.nFramesPerPacket; + psEnc->sCmn.indices.LTP_scaleIndex = (opus_int8)silk_LIMIT( + silk_SMULWB( silk_SMULBB( round_loss, psEncCtrl->LTPredCodGain_Q7 ), SILK_FIX_CONST( 0.1, 9 ) ), 0, 2 ); + } else { + /* Default is minimum scaling */ + psEnc->sCmn.indices.LTP_scaleIndex = 0; + } + psEncCtrl->LTP_scale_Q14 = silk_LTPScales_table_Q14[ psEnc->sCmn.indices.LTP_scaleIndex ]; +} |