[Opus] Update to v1.2.1

third_party/opus/src/src/analysis.h

Index: third_party/opus/src/src/analysis.h
diff --git a/third_party/opus/src/src/analysis.h b/third_party/opus/src/src/analysis.h
index 9eae56a525378a3602444ce960957d44bf91fa61..cac51dfa4eb55d8d1abbb0dee9f070463542df1d 100644
--- a/third_party/opus/src/src/analysis.h
+++ b/third_party/opus/src/src/analysis.h
@@ -33,13 +33,20 @@
 
 #define NB_FRAMES 8
 #define NB_TBANDS 18
-#define NB_TOT_BANDS 21
-#define ANALYSIS_BUF_SIZE 720 /* 15 ms at 48 kHz */
+#define ANALYSIS_BUF_SIZE 720 /* 30 ms at 24 kHz */
 
-#define DETECT_SIZE 200
+/* At that point we can stop counting frames because it no longer matters. */
+#define ANALYSIS_COUNT_MAX 10000
+
+#define DETECT_SIZE 100
+
+/* Uncomment this to print the MLP features on stdout. */
+/*#define MLP_TRAINING*/
 
 typedef struct {
    int arch;
+   int application;
+   opus_int32 Fs;
 #define TONALITY_ANALYSIS_RESET_START angle
    float angle[240];
    float d_angle[240];
@@ -48,21 +55,22 @@ typedef struct {
    int   mem_fill;                      /* number of usable samples in the buffer */
    float prev_band_tonality[NB_TBANDS];
    float prev_tonality;
+   int prev_bandwidth;
    float E[NB_FRAMES][NB_TBANDS];
+   float logE[NB_FRAMES][NB_TBANDS];
    float lowE[NB_TBANDS];
    float highE[NB_TBANDS];
-   float meanE[NB_TOT_BANDS];
+   float meanE[NB_TBANDS+1];
    float mem[32];
    float cmean[8];
    float std[9];
    float music_prob;
+   float vad_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. */
@@ -77,6 +85,8 @@ typedef struct {
    int write_pos;
    int read_pos;
    int read_subframe;
+   float hp_ener_accum;
+   opus_val32 downmix_state[3];
    AnalysisInfo info[DETECT_SIZE];
 } TonalityAnalysisState;
 
@@ -86,7 +96,7 @@ typedef struct {
  * 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);
+void tonality_analysis_init(TonalityAnalysisState *analysis, opus_int32 Fs);
 
 /** Reset a TonalityAnalysisState stuct.
  *