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Diffstat (limited to 'media/libstagefright/codecs/amrwbenc/src/voAMRWBEnc.c')
-rw-r--r--media/libstagefright/codecs/amrwbenc/src/voAMRWBEnc.c202
1 files changed, 101 insertions, 101 deletions
diff --git a/media/libstagefright/codecs/amrwbenc/src/voAMRWBEnc.c b/media/libstagefright/codecs/amrwbenc/src/voAMRWBEnc.c
index bac00dd..0f4d689 100644
--- a/media/libstagefright/codecs/amrwbenc/src/voAMRWBEnc.c
+++ b/media/libstagefright/codecs/amrwbenc/src/voAMRWBEnc.c
@@ -84,11 +84,11 @@ void Reset_encoder(void *st, Word16 reset_all)
Set_zero(cod_state->old_exc, PIT_MAX + L_INTERPOL);
Set_zero(cod_state->mem_syn, M);
Set_zero(cod_state->past_isfq, M);
- cod_state->mem_w0 = 0;
- cod_state->tilt_code = 0;
- cod_state->first_frame = 1;
+ cod_state->mem_w0 = 0;
+ cod_state->tilt_code = 0;
+ cod_state->first_frame = 1;
Init_gp_clip(cod_state->gp_clip);
- cod_state->L_gc_thres = 0;
+ cod_state->L_gc_thres = 0;
if (reset_all != 0)
{
/* Static vectors to zero */
@@ -105,21 +105,21 @@ void Reset_encoder(void *st, Word16 reset_all)
Copy(isp_init, cod_state->ispold, M);
Copy(isp_init, cod_state->ispold_q, M);
/* variable initialization */
- cod_state->mem_preemph = 0;
- cod_state->mem_wsp = 0;
- cod_state->Q_old = 15;
- cod_state->Q_max[0] = 15;
- cod_state->Q_max[1] = 15;
- cod_state->old_wsp_max = 0;
- cod_state->old_wsp_shift = 0;
+ cod_state->mem_preemph = 0;
+ cod_state->mem_wsp = 0;
+ cod_state->Q_old = 15;
+ cod_state->Q_max[0] = 15;
+ cod_state->Q_max[1] = 15;
+ cod_state->old_wsp_max = 0;
+ cod_state->old_wsp_shift = 0;
/* pitch ol initialization */
- cod_state->old_T0_med = 40;
- cod_state->ol_gain = 0;
- cod_state->ada_w = 0;
- cod_state->ol_wght_flg = 0;
+ cod_state->old_T0_med = 40;
+ cod_state->ol_gain = 0;
+ cod_state->ada_w = 0;
+ cod_state->ol_wght_flg = 0;
for (i = 0; i < 5; i++)
{
- cod_state->old_ol_lag[i] = 40;
+ cod_state->old_ol_lag[i] = 40;
}
Set_zero(cod_state->old_hp_wsp, (L_FRAME / 2) / OPL_DECIM + (PIT_MAX / OPL_DECIM));
Set_zero(cod_state->mem_syn_hf, M);
@@ -129,10 +129,10 @@ void Reset_encoder(void *st, Word16 reset_all)
Init_Filt_6k_7k(cod_state->mem_hf);
Init_HP400_12k8(cod_state->mem_hp400);
Copy(isf_init, cod_state->isfold, M);
- cod_state->mem_deemph = 0;
- cod_state->seed2 = 21845;
+ cod_state->mem_deemph = 0;
+ cod_state->seed2 = 21845;
Init_Filt_6k_7k(cod_state->mem_hf2);
- cod_state->gain_alpha = 32767;
+ cod_state->gain_alpha = 32767;
cod_state->vad_hist = 0;
wb_vad_reset(cod_state->vadSt);
dtx_enc_reset(cod_state->dtx_encSt, isf_init);
@@ -212,8 +212,8 @@ void coder(
st = (Coder_State *) spe_state;
- *ser_size = nb_of_bits[*mode];
- codec_mode = *mode;
+ *ser_size = nb_of_bits[*mode];
+ codec_mode = *mode;
/*--------------------------------------------------------------------------*
* Initialize pointers to speech vector. *
@@ -233,10 +233,10 @@ void coder(
new_speech = old_speech + L_TOTAL - L_FRAME - L_FILT; /* New speech */
speech = old_speech + L_TOTAL - L_FRAME - L_NEXT; /* Present frame */
- p_window = old_speech + L_TOTAL - L_WINDOW;
+ p_window = old_speech + L_TOTAL - L_WINDOW;
- exc = old_exc + PIT_MAX + L_INTERPOL;
- wsp = old_wsp + (PIT_MAX / OPL_DECIM);
+ exc = old_exc + PIT_MAX + L_INTERPOL;
+ wsp = old_wsp + (PIT_MAX / OPL_DECIM);
/* copy coder memory state into working space */
Copy(st->old_speech, old_speech, L_TOTAL - L_FRAME);
@@ -287,7 +287,7 @@ void coder(
L_tmp = L_abs(L_tmp);
if(L_tmp > L_max)
{
- L_max = L_tmp;
+ L_max = L_tmp;
}
}
@@ -297,50 +297,50 @@ void coder(
tmp = extract_h(L_max);
if (tmp == 0)
{
- shift = Q_MAX;
+ shift = Q_MAX;
} else
{
shift = norm_s(tmp) - 1;
if (shift < 0)
{
- shift = 0;
+ shift = 0;
}
if (shift > Q_MAX)
{
- shift = Q_MAX;
+ shift = Q_MAX;
}
}
- Q_new = shift;
+ Q_new = shift;
if (Q_new > st->Q_max[0])
{
- Q_new = st->Q_max[0];
+ Q_new = st->Q_max[0];
}
if (Q_new > st->Q_max[1])
{
- Q_new = st->Q_max[1];
+ Q_new = st->Q_max[1];
}
exp = (Q_new - st->Q_old);
- st->Q_old = Q_new;
- st->Q_max[1] = st->Q_max[0];
- st->Q_max[0] = shift;
+ st->Q_old = Q_new;
+ st->Q_max[1] = st->Q_max[0];
+ st->Q_max[0] = shift;
/* preemphasis with scaling (L_FRAME+L_FILT) */
- tmp = new_speech[L_FRAME - 1];
+ tmp = new_speech[L_FRAME - 1];
for (i = L_FRAME + L_FILT - 1; i > 0; i--)
{
L_tmp = new_speech[i] << 15;
L_tmp -= (new_speech[i - 1] * mu)<<1;
L_tmp = (L_tmp << Q_new);
- new_speech[i] = vo_round(L_tmp);
+ new_speech[i] = vo_round(L_tmp);
}
L_tmp = new_speech[0] << 15;
L_tmp -= (st->mem_preemph * mu)<<1;
L_tmp = (L_tmp << Q_new);
- new_speech[0] = vo_round(L_tmp);
+ new_speech[0] = vo_round(L_tmp);
- st->mem_preemph = tmp;
+ st->mem_preemph = tmp;
/* scale previous samples and memory */
@@ -364,13 +364,13 @@ void coder(
Scale_sig(buf, L_FRAME, 1 - Q_new);
#endif
- vad_flag = wb_vad(st->vadSt, buf); /* Voice Activity Detection */
+ vad_flag = wb_vad(st->vadSt, buf); /* Voice Activity Detection */
if (vad_flag == 0)
{
- st->vad_hist = (st->vad_hist + 1);
+ st->vad_hist = (st->vad_hist + 1);
} else
{
- st->vad_hist = 0;
+ st->vad_hist = 0;
}
/* DTX processing */
@@ -378,7 +378,7 @@ void coder(
{
/* Note that mode may change here */
tx_dtx_handler(st->dtx_encSt, vad_flag, mode);
- *ser_size = nb_of_bits[*mode];
+ *ser_size = nb_of_bits[*mode];
}
if(*mode != MRDTX)
@@ -423,7 +423,7 @@ void coder(
* - scale wsp[] to avoid overflow in pitch estimation *
* - Find open loop pitch lag for whole speech frame *
*----------------------------------------------------------------------*/
- p_A = A;
+ p_A = A;
for (i_subfr = 0; i_subfr < L_FRAME; i_subfr += L_SUBFR)
{
/* Weighting of LPC coefficients */
@@ -435,27 +435,27 @@ void coder(
Residu(Ap, &speech[i_subfr], &wsp[i_subfr], L_SUBFR);
#endif
- p_A += (M + 1);
+ p_A += (M + 1);
}
Deemph2(wsp, TILT_FAC, L_FRAME, &(st->mem_wsp));
/* find maximum value on wsp[] for 12 bits scaling */
- max = 0;
+ max = 0;
for (i = 0; i < L_FRAME; i++)
{
tmp = abs_s(wsp[i]);
if(tmp > max)
{
- max = tmp;
+ max = tmp;
}
}
- tmp = st->old_wsp_max;
+ tmp = st->old_wsp_max;
if(max > tmp)
{
tmp = max; /* tmp = max(wsp_max, old_wsp_max) */
}
- st->old_wsp_max = max;
+ st->old_wsp_max = max;
shift = norm_s(tmp) - 3;
if (shift > 0)
@@ -494,8 +494,8 @@ void coder(
if(st->ol_gain > 19661) /* 0.6 in Q15 */
{
- st->old_T0_med = Med_olag(T_op, st->old_ol_lag);
- st->ada_w = 32767;
+ st->old_T0_med = Med_olag(T_op, st->old_ol_lag);
+ st->ada_w = 32767;
} else
{
st->ada_w = vo_mult(st->ada_w, 29491);
@@ -507,7 +507,7 @@ void coder(
st->ol_wght_flg = 1;
wb_vad_tone_detection(st->vadSt, st->ol_gain);
- T_op *= OPL_DECIM;
+ T_op *= OPL_DECIM;
if(*ser_size != NBBITS_7k)
{
@@ -516,11 +516,11 @@ void coder(
if(st->ol_gain > 19661) /* 0.6 in Q15 */
{
- st->old_T0_med = Med_olag(T_op2, st->old_ol_lag);
- st->ada_w = 32767;
+ st->old_T0_med = Med_olag(T_op2, st->old_ol_lag);
+ st->ada_w = 32767;
} else
{
- st->ada_w = mult(st->ada_w, 29491);
+ st->ada_w = mult(st->ada_w, 29491);
}
if(st->ada_w < 26214)
@@ -530,11 +530,11 @@ void coder(
wb_vad_tone_detection(st->vadSt, st->ol_gain);
- T_op2 *= OPL_DECIM;
+ T_op2 *= OPL_DECIM;
} else
{
- T_op2 = T_op;
+ T_op2 = T_op;
}
/*----------------------------------------------------------------------*
* DTX-CNG *
@@ -550,10 +550,10 @@ void coder(
for (i = 0; i < L_FRAME; i++)
{
- exc2[i] = shr(exc[i], Q_new);
+ exc2[i] = shr(exc[i], Q_new);
}
- L_tmp = 0;
+ L_tmp = 0;
for (i = 0; i < L_FRAME; i++)
L_tmp += (exc2[i] * exc2[i])<<1;
@@ -617,23 +617,23 @@ void coder(
/* Check stability on isf : distance between old isf and current isf */
- L_tmp = 0;
+ L_tmp = 0;
for (i = 0; i < M - 1; i++)
{
tmp = vo_sub(isf[i], st->isfold[i]);
L_tmp += (tmp * tmp)<<1;
}
- tmp = extract_h(L_shl2(L_tmp, 8));
+ tmp = extract_h(L_shl2(L_tmp, 8));
tmp = vo_mult(tmp, 26214); /* tmp = L_tmp*0.8/256 */
tmp = vo_sub(20480, tmp); /* 1.25 - tmp (in Q14) */
- stab_fac = shl(tmp, 1);
+ stab_fac = shl(tmp, 1);
if (stab_fac < 0)
{
- stab_fac = 0;
+ stab_fac = 0;
}
Copy(isf, st->isfold, M);
@@ -642,7 +642,7 @@ void coder(
if (st->first_frame != 0)
{
- st->first_frame = 0;
+ st->first_frame = 0;
Copy(ispnew_q, st->ispold_q, M);
}
/* Find the interpolated ISPs and convert to a[] for all subframes */
@@ -660,7 +660,7 @@ void coder(
#else
Residu(p_Aq, &speech[i_subfr], &exc[i_subfr], L_SUBFR);
#endif
- p_Aq += (M + 1);
+ p_Aq += (M + 1);
}
/* Buffer isf's and energy for dtx on non-speech frame */
@@ -670,7 +670,7 @@ void coder(
{
exc2[i] = exc[i] >> Q_new;
}
- L_tmp = 0;
+ L_tmp = 0;
for (i = 0; i < L_FRAME; i++)
L_tmp += (exc2[i] * exc2[i])<<1;
L_tmp >>= 1;
@@ -682,14 +682,14 @@ void coder(
T0_min = T_op - 8;
if (T0_min < PIT_MIN)
{
- T0_min = PIT_MIN;
+ T0_min = PIT_MIN;
}
T0_max = (T0_min + 15);
if(T0_max > PIT_MAX)
{
- T0_max = PIT_MAX;
- T0_min = T0_max - 15;
+ T0_max = PIT_MAX;
+ T0_min = T0_max - 15;
}
/*------------------------------------------------------------------------*
* Loop for every subframe in the analysis frame *
@@ -711,25 +711,25 @@ void coder(
* - update states of weighting filter *
* - find excitation and synthesis speech *
*------------------------------------------------------------------------*/
- p_A = A;
- p_Aq = Aq;
+ p_A = A;
+ p_Aq = Aq;
for (i_subfr = 0; i_subfr < L_FRAME; i_subfr += L_SUBFR)
{
- pit_flag = i_subfr;
+ pit_flag = i_subfr;
if ((i_subfr == 2 * L_SUBFR) && (*ser_size > NBBITS_7k))
{
- pit_flag = 0;
+ pit_flag = 0;
/* range for closed loop pitch search in 3rd subframe */
T0_min = (T_op2 - 8);
if (T0_min < PIT_MIN)
{
- T0_min = PIT_MIN;
+ T0_min = PIT_MIN;
}
T0_max = (T0_min + 15);
if (T0_max > PIT_MAX)
{
- T0_max = PIT_MAX;
+ T0_max = PIT_MAX;
T0_min = (T0_max - 15);
}
}
@@ -776,7 +776,7 @@ void coder(
/* first half: xn[] --> cn[] */
Set_zero(code, M);
Copy(xn, code + M, L_SUBFR / 2);
- tmp = 0;
+ tmp = 0;
Preemph2(code + M, TILT_FAC, L_SUBFR / 2, &tmp);
Weight_a(p_A, Ap, GAMMA1, M);
Syn_filt(Ap,code + M, code + M, L_SUBFR / 2, code, 0);
@@ -791,7 +791,7 @@ void coder(
Copy(&exc[i_subfr + (L_SUBFR / 2)], cn + (L_SUBFR / 2), L_SUBFR / 2);
/*---------------------------------------------------------------*
- * Compute impulse response, h1[], of weighted synthesis filter *
+ * Compute impulse response, h1[], of weighted synthesis filter *
*---------------------------------------------------------------*/
Set_zero(error, M + L_SUBFR);
@@ -814,7 +814,7 @@ void coder(
*vo_p3++ = *vo_p0++ = vo_round((L_tmp <<4));
}
/* deemph without division by 2 -> Q14 to Q15 */
- tmp = 0;
+ tmp = 0;
Deemph2(h1, TILT_FAC, L_SUBFR, &tmp); /* h1 in Q14 */
/* h2 in Q12 for codebook search */
@@ -917,7 +917,7 @@ void coder(
T0_min = (T0 - 8);
if (T0_min < PIT_MIN)
{
- T0_min = PIT_MIN;
+ T0_min = PIT_MIN;
}
T0_max = T0_min + 15;
@@ -964,18 +964,18 @@ void coder(
Convolve_asm(&exc[i_subfr], h1, y1, L_SUBFR);
#else
Convolve(&exc[i_subfr], h1, y1, L_SUBFR);
-#endif
+#endif
gain1 = G_pitch(xn, y1, g_coeff, L_SUBFR);
/* clip gain if necessary to avoid problem at decoder */
if ((clip_gain != 0) && (gain1 > GP_CLIP))
{
- gain1 = GP_CLIP;
+ gain1 = GP_CLIP;
}
/* find energy of new target xn2[] */
Updt_tar(xn, dn, y1, gain1, L_SUBFR); /* dn used temporary */
} else
{
- gain1 = 0;
+ gain1 = 0;
}
/*-----------------------------------------------------------------*
* - find pitch excitation filtered by 1st order LP filter. *
@@ -1002,7 +1002,7 @@ void coder(
Convolve_asm(code, h1, y2, L_SUBFR);
#else
Convolve(code, h1, y2, L_SUBFR);
-#endif
+#endif
gain2 = G_pitch(xn, y2, g_coeff2, L_SUBFR);
@@ -1016,7 +1016,7 @@ void coder(
/*-----------------------------------------------------------------*
* use the best prediction (minimise quadratic error). *
*-----------------------------------------------------------------*/
- select = 0;
+ select = 0;
if(*ser_size > NBBITS_9k)
{
L_tmp = 0L;
@@ -1036,7 +1036,7 @@ void coder(
if (L_tmp <= 0)
{
- select = 1;
+ select = 1;
}
Parm_serial(select, 1, &prms);
}
@@ -1154,7 +1154,7 @@ void coder(
/*-------------------------------------------------------*
* - Add the fixed-gain pitch contribution to code[]. *
*-------------------------------------------------------*/
- tmp = 0;
+ tmp = 0;
Preemph(code, st->tilt_code, L_SUBFR, &tmp);
Pit_shrp(code, T0, PIT_SHARP, L_SUBFR);
/*----------------------------------------------------------*
@@ -1175,7 +1175,7 @@ void coder(
/* test quantized gain of pitch for pitch clipping algorithm */
Gp_clip_test_gain_pit(gain_pit, st->gp_clip);
- L_tmp = L_shl(L_gain_code, Q_new);
+ L_tmp = L_shl(L_gain_code, Q_new);
gain_code = extract_h(L_add(L_tmp, 0x8000));
/*----------------------------------------------------------*
@@ -1218,7 +1218,7 @@ void coder(
L_tmp = (gain_code * code[i])<<1;
L_tmp = (L_tmp << 5);
L_tmp += (exc[i + i_subfr] * gain_pit)<<1;
- L_tmp = L_shl2(L_tmp, 1);
+ L_tmp = L_shl2(L_tmp, 1);
exc[i + i_subfr] = extract_h(L_add(L_tmp, 0x8000));
}
@@ -1242,7 +1242,7 @@ void coder(
*------------------------------------------------------------*/
tmp = (16384 - (voice_fac >> 1)); /* 1=unvoiced, 0=voiced */
fac = vo_mult(stab_fac, tmp);
- L_tmp = L_gain_code;
+ L_tmp = L_gain_code;
if(L_tmp < st->L_gc_thres)
{
L_tmp = vo_L_add(L_tmp, Mpy_32_16(gain_code, gain_code_lo, 6226));
@@ -1276,19 +1276,19 @@ void coder(
L_tmp = L_deposit_h(code[0]);
L_tmp -= (code[1] * tmp)<<1;
- code2[0] = vo_round(L_tmp);
+ code2[0] = vo_round(L_tmp);
for (i = 1; i < L_SUBFR - 1; i++)
{
L_tmp = L_deposit_h(code[i]);
L_tmp -= (code[i + 1] * tmp)<<1;
L_tmp -= (code[i - 1] * tmp)<<1;
- code2[i] = vo_round(L_tmp);
+ code2[i] = vo_round(L_tmp);
}
L_tmp = L_deposit_h(code[L_SUBFR - 1]);
L_tmp -= (code[L_SUBFR - 2] * tmp)<<1;
- code2[L_SUBFR - 1] = vo_round(L_tmp);
+ code2[L_SUBFR - 1] = vo_round(L_tmp);
/* build excitation */
gain_code = vo_round(L_shl(L_gain_code, Q_new));
@@ -1381,7 +1381,7 @@ static Word16 synthesis(
/* Original speech signal as reference for high band gain quantisation */
for (i = 0; i < L_SUBFR16k; i++)
{
- HF_SP[i] = synth16k[i];
+ HF_SP[i] = synth16k[i];
}
/*------------------------------------------------------*
@@ -1454,7 +1454,7 @@ static Word16 synthesis(
fac = div_s(tmp, ener);
} else
{
- fac = 0;
+ fac = 0;
}
/* modify energy of white noise according to synthesis tilt */
@@ -1550,7 +1550,7 @@ static Word16 synthesis(
/*************************************************
*
-* Breif: Codec main function
+* Breif: Codec main function
*
**************************************************/
@@ -1622,7 +1622,7 @@ VO_U32 VO_API voAMRWB_Init(VO_HANDLE * phCodec, /* o: the audi
else
{
pMemOP = (VO_MEM_OPERATOR *)pUserData->memData;
- }
+ }
/*-------------------------------------------------------------------------*
* Memory allocation for coder state. *
*-------------------------------------------------------------------------*/
@@ -1631,8 +1631,8 @@ VO_U32 VO_API voAMRWB_Init(VO_HANDLE * phCodec, /* o: the audi
return VO_ERR_OUTOF_MEMORY;
}
- st->vadSt = NULL;
- st->dtx_encSt = NULL;
+ st->vadSt = NULL;
+ st->dtx_encSt = NULL;
st->sid_update_counter = 3;
st->sid_handover_debt = 0;
st->prev_ft = TX_SPEECH;
@@ -1764,7 +1764,7 @@ VO_U32 VO_API voAMRWB_GetOutputData(
{
pAudioFormat->Format.Channels = 1;
pAudioFormat->Format.SampleRate = 8000;
- pAudioFormat->Format.SampleBits = 16;
+ pAudioFormat->Format.SampleBits = 16;
pAudioFormat->InputUsed = stream->used_len;
}
return VO_ERR_NONE;
@@ -1792,14 +1792,14 @@ VO_U32 VO_API voAMRWB_SetParam(
/* setting AMR-WB frame type*/
case VO_PID_AMRWB_FRAMETYPE:
if(*lValue < VOAMRWB_DEFAULT || *lValue > VOAMRWB_RFC3267)
- return VO_ERR_WRONG_PARAM_ID;
+ return VO_ERR_WRONG_PARAM_ID;
gData->frameType = *lValue;
break;
/* setting AMR-WB bit rate */
case VO_PID_AMRWB_MODE:
{
if(*lValue < VOAMRWB_MD66 || *lValue > VOAMRWB_MD2385)
- return VO_ERR_WRONG_PARAM_ID;
+ return VO_ERR_WRONG_PARAM_ID;
gData->mode = *lValue;
}
break;
@@ -1839,7 +1839,7 @@ VO_U32 VO_API voAMRWB_GetParam(
int temp;
Coder_State* gData = (Coder_State*)hCodec;
- if (gData==NULL)
+ if (gData==NULL)
return VO_ERR_INVALID_ARG;
switch(uParamID)
{
generated by cgit v1.1 at 2024-05-28 04:28:35 +0000