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Diffstat (limited to 'thirdparty/opus/analysis.h')
-rw-r--r-- | thirdparty/opus/analysis.h | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/thirdparty/opus/analysis.h b/thirdparty/opus/analysis.h deleted file mode 100644 index 9eae56a525..0000000000 --- a/thirdparty/opus/analysis.h +++ /dev/null @@ -1,103 +0,0 @@ -/* Copyright (c) 2011 Xiph.Org Foundation - Written by Jean-Marc Valin */ -/* - 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. - - 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 FOUNDATION 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 ANALYSIS_H -#define ANALYSIS_H - -#include "celt.h" -#include "opus_private.h" - -#define NB_FRAMES 8 -#define NB_TBANDS 18 -#define NB_TOT_BANDS 21 -#define ANALYSIS_BUF_SIZE 720 /* 15 ms at 48 kHz */ - -#define DETECT_SIZE 200 - -typedef struct { - int arch; -#define TONALITY_ANALYSIS_RESET_START angle - float angle[240]; - float d_angle[240]; - float d2_angle[240]; - opus_val32 inmem[ANALYSIS_BUF_SIZE]; - int mem_fill; /* number of usable samples in the buffer */ - float prev_band_tonality[NB_TBANDS]; - float prev_tonality; - float E[NB_FRAMES][NB_TBANDS]; - float lowE[NB_TBANDS]; - float highE[NB_TBANDS]; - float meanE[NB_TOT_BANDS]; - float mem[32]; - float cmean[8]; - float std[9]; - float music_prob; - float Etracker; - float lowECount; - int E_count; - int last_music; - int last_transition; - int count; - float subframe_mem[3]; - int analysis_offset; - /** Probability of having speech for time i to DETECT_SIZE-1 (and music before). - pspeech[0] is the probability that all frames in the window are speech. */ - float pspeech[DETECT_SIZE]; - /** Probability of having music for time i to DETECT_SIZE-1 (and speech before). - pmusic[0] is the probability that all frames in the window are music. */ - float pmusic[DETECT_SIZE]; - float speech_confidence; - float music_confidence; - int speech_confidence_count; - int music_confidence_count; - int write_pos; - int read_pos; - int read_subframe; - AnalysisInfo info[DETECT_SIZE]; -} TonalityAnalysisState; - -/** Initialize a TonalityAnalysisState struct. - * - * This performs some possibly slow initialization steps which should - * not be repeated every analysis step. No allocated memory is retained - * by the state struct, so no cleanup call is required. - */ -void tonality_analysis_init(TonalityAnalysisState *analysis); - -/** Reset a TonalityAnalysisState stuct. - * - * Call this when there's a discontinuity in the data. - */ -void tonality_analysis_reset(TonalityAnalysisState *analysis); - -void tonality_get_info(TonalityAnalysisState *tonal, AnalysisInfo *info_out, int len); - -void run_analysis(TonalityAnalysisState *analysis, const CELTMode *celt_mode, const void *analysis_pcm, - int analysis_frame_size, int frame_size, int c1, int c2, int C, opus_int32 Fs, - int lsb_depth, downmix_func downmix, AnalysisInfo *analysis_info); - -#endif |