diff options
Diffstat (limited to 'drivers/opus/silk/decoder_set_fs.c')
| -rw-r--r-- | drivers/opus/silk/decoder_set_fs.c | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/drivers/opus/silk/decoder_set_fs.c b/drivers/opus/silk/decoder_set_fs.c deleted file mode 100644 index 0079a506ee..0000000000 --- a/drivers/opus/silk/decoder_set_fs.c +++ /dev/null @@ -1,105 +0,0 @@ -/*********************************************************************** -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. -***********************************************************************/ -#include "opus/opus_config.h" - -#include "opus/silk/main.h" - -/* Set decoder sampling rate */ -opus_int silk_decoder_set_fs( - silk_decoder_state *psDec, /* I/O Decoder state pointer */ - opus_int fs_kHz, /* I Sampling frequency (kHz) */ - opus_int32 fs_API_Hz /* I API Sampling frequency (Hz) */ -) -{ - opus_int frame_length, ret = 0; - - silk_assert( fs_kHz == 8 || fs_kHz == 12 || fs_kHz == 16 ); - silk_assert( psDec->nb_subfr == MAX_NB_SUBFR || psDec->nb_subfr == MAX_NB_SUBFR/2 ); - - /* New (sub)frame length */ - psDec->subfr_length = silk_SMULBB( SUB_FRAME_LENGTH_MS, fs_kHz ); - frame_length = silk_SMULBB( psDec->nb_subfr, psDec->subfr_length ); - - /* Initialize resampler when switching internal or external sampling frequency */ - if( psDec->fs_kHz != fs_kHz || psDec->fs_API_hz != fs_API_Hz ) { - /* Initialize the resampler for dec_API.c preparing resampling from fs_kHz to API_fs_Hz */ - ret += silk_resampler_init( &psDec->resampler_state, silk_SMULBB( fs_kHz, 1000 ), fs_API_Hz, 0 ); - - psDec->fs_API_hz = fs_API_Hz; - } - - if( psDec->fs_kHz != fs_kHz || frame_length != psDec->frame_length ) { - if( fs_kHz == 8 ) { - if( psDec->nb_subfr == MAX_NB_SUBFR ) { - psDec->pitch_contour_iCDF = silk_pitch_contour_NB_iCDF; - } else { - psDec->pitch_contour_iCDF = silk_pitch_contour_10_ms_NB_iCDF; - } - } else { - if( psDec->nb_subfr == MAX_NB_SUBFR ) { - psDec->pitch_contour_iCDF = silk_pitch_contour_iCDF; - } else { - psDec->pitch_contour_iCDF = silk_pitch_contour_10_ms_iCDF; - } - } - if( psDec->fs_kHz != fs_kHz ) { - psDec->ltp_mem_length = silk_SMULBB( LTP_MEM_LENGTH_MS, fs_kHz ); - if( fs_kHz == 8 || fs_kHz == 12 ) { - psDec->LPC_order = MIN_LPC_ORDER; - psDec->psNLSF_CB = &silk_NLSF_CB_NB_MB; - } else { - psDec->LPC_order = MAX_LPC_ORDER; - psDec->psNLSF_CB = &silk_NLSF_CB_WB; - } - if( fs_kHz == 16 ) { - psDec->pitch_lag_low_bits_iCDF = silk_uniform8_iCDF; - } else if( fs_kHz == 12 ) { - psDec->pitch_lag_low_bits_iCDF = silk_uniform6_iCDF; - } else if( fs_kHz == 8 ) { - psDec->pitch_lag_low_bits_iCDF = silk_uniform4_iCDF; - } else { - /* unsupported sampling rate */ - silk_assert( 0 ); - } - psDec->first_frame_after_reset = 1; - psDec->lagPrev = 100; - psDec->LastGainIndex = 10; - psDec->prevSignalType = TYPE_NO_VOICE_ACTIVITY; - silk_memset( psDec->outBuf, 0, sizeof(psDec->outBuf)); - silk_memset( psDec->sLPC_Q14_buf, 0, sizeof(psDec->sLPC_Q14_buf) ); - } - - psDec->fs_kHz = fs_kHz; - psDec->frame_length = frame_length; - } - - /* Check that settings are valid */ - silk_assert( psDec->frame_length > 0 && psDec->frame_length <= MAX_FRAME_LENGTH ); - - return ret; -} - |