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| author | Koen Vos <koen.vos@skype.net> | 2011-12-14 11:39:29 -0500 |
|---|---|---|
| committer | Jean-Marc Valin <jmvalin@jmvalin.ca> | 2011-12-14 11:41:18 -0500 |
| commit | a51ebd6831e839551255999f501dbf635c0f1943 (patch) | |
| tree | 539dc5d16fcf06e5dbb96561dfb08673c6183a40 /silk/structs.h | |
| parent | 5609cec9a5e1ea8fcb056f2306a115cb3b61c4c9 (diff) | |
| download | opus-a51ebd6831e839551255999f501dbf635c0f1943.tar.gz | |
Accuracy improvements to help float implementations
Also clamps the gain to avoid forcing a float decoder to emulate the
state rescaling.
Diffstat (limited to 'silk/structs.h')
| -rw-r--r-- | silk/structs.h | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/silk/structs.h b/silk/structs.h index aee53ce8..6bada59b 100644 --- a/silk/structs.h +++ b/silk/structs.h @@ -44,15 +44,15 @@ extern "C" /************************************/ typedef struct { opus_int16 xq[ 2 * MAX_FRAME_LENGTH ]; /* Buffer for quantized output signal */ - opus_int32 sLTP_shp_Q10[ 2 * MAX_FRAME_LENGTH ]; + opus_int32 sLTP_shp_Q14[ 2 * MAX_FRAME_LENGTH ]; opus_int32 sLPC_Q14[ MAX_SUB_FRAME_LENGTH + NSQ_LPC_BUF_LENGTH ]; opus_int32 sAR2_Q14[ MAX_SHAPE_LPC_ORDER ]; - opus_int32 sLF_AR_shp_Q12; + opus_int32 sLF_AR_shp_Q14; opus_int lagPrev; opus_int sLTP_buf_idx; opus_int sLTP_shp_buf_idx; opus_int32 rand_seed; - opus_int32 prev_inv_gain_Q31; + opus_int32 prev_gain_Q16; opus_int rewhite_flag; } silk_nsq_state; @@ -243,7 +243,7 @@ typedef struct { /* Struct for CNG */ typedef struct { - opus_int32 CNG_exc_buf_Q10[ MAX_FRAME_LENGTH ]; + opus_int32 CNG_exc_buf_Q14[ MAX_FRAME_LENGTH ]; opus_int16 CNG_smth_NLSF_Q15[ MAX_LPC_ORDER ]; opus_int32 CNG_synth_state[ MAX_LPC_ORDER ]; opus_int32 CNG_smth_Gain_Q16; @@ -255,8 +255,8 @@ typedef struct { /* Decoder state */ /********************************/ typedef struct { - opus_int32 prev_inv_gain_Q31; - opus_int32 exc_Q10[ MAX_FRAME_LENGTH ]; + opus_int32 prev_gain_Q16; + opus_int32 exc_Q14[ MAX_FRAME_LENGTH ]; opus_int32 sLPC_Q14_buf[ MAX_LPC_ORDER ]; opus_int16 outBuf[ MAX_FRAME_LENGTH + 2 * MAX_SUB_FRAME_LENGTH ]; /* Buffer for output signal */ opus_int lagPrev; /* Previous Lag */ |