[FFmpeg-cvslog] r19732 - trunk/libavcodec/twinvq.c
vitor
subversion
Thu Aug 27 18:38:57 CEST 2009
Author: vitor
Date: Thu Aug 27 18:38:57 2009
New Revision: 19732
Log:
Formatting K&R fixes
Modified:
trunk/libavcodec/twinvq.c
Modified: trunk/libavcodec/twinvq.c
==============================================================================
--- trunk/libavcodec/twinvq.c Thu Aug 27 17:52:44 2009 (r19731)
+++ trunk/libavcodec/twinvq.c Thu Aug 27 18:38:57 2009 (r19732)
@@ -234,7 +234,7 @@ static float eval_lpc_spectrum(const flo
float q = 0.5f;
float two_cos_w = 2.0f*cos_val;
- for (j=0; j + 1 < order; j += 2*2) {
+ for (j = 0; j + 1 < order; j += 2*2) {
// Unroll the loop once since order is a multiple of four
q *= lsp[j ] - two_cos_w;
p *= lsp[j+1] - two_cos_w;
@@ -258,7 +258,7 @@ static void eval_lpcenv(TwinContext *tct
const ModeTab *mtab = tctx->mtab;
int size_s = mtab->size / mtab->fmode[FT_SHORT].sub;
- for (i=0; i < size_s/2; i++) {
+ for (i = 0; i < size_s/2; i++) {
float cos_i = tctx->cos_tabs[0][i];
lpc[i] = eval_lpc_spectrum(cos_vals, cos_i, mtab->n_lsp);
lpc[size_s-i-1] = eval_lpc_spectrum(cos_vals, -cos_i, mtab->n_lsp);
@@ -270,7 +270,7 @@ static void interpolate(float *out, floa
int i;
float step = (v1 - v2)/(size + 1);
- for (i=0; i < size; i++) {
+ for (i = 0; i < size; i++) {
v2 += step;
out[i] = v2;
}
@@ -306,14 +306,14 @@ static inline void eval_lpcenv_or_interp
const float *cos_tab = tctx->cos_tabs[ftype];
// Fill the 's'
- for (i=0; i < size; i += step)
+ for (i = 0; i < size; i += step)
out[i] =
eval_lpc_spectrum(in,
get_cos(i, part, cos_tab, size),
mtab->n_lsp);
// Fill the 'iiiibiiii'
- for (i=step; i <= size - 2*step; i += step) {
+ for (i = step; i <= size - 2*step; i += step) {
if (out[i + step] + out[i - step] > 1.95*out[i] ||
out[i + step] >= out[i - step]) {
interpolate(out + i - step + 1, out[i], out[i-step], step - 1);
@@ -354,7 +354,7 @@ static void dequant(TwinContext *tctx, G
int pos = 0;
int i, j;
- for (i=0; i < tctx->n_div[ftype]; i++) {
+ for (i = 0; i < tctx->n_div[ftype]; i++) {
int tmp0, tmp1;
int sign0 = 1;
int sign1 = 1;
@@ -383,7 +383,7 @@ static void dequant(TwinContext *tctx, G
tab0 = cb0 + tmp0*cb_len;
tab1 = cb1 + tmp1*cb_len;
- for (j=0; j < length; j++)
+ for (j = 0; j < length; j++)
out[tctx->permut[ftype][pos+j]] = sign0*tab0[j] + sign1*tab1[j];
pos += length;
@@ -447,18 +447,18 @@ static void add_peak(int period, int wid
int center;
// First peak centered around zero
- for (i=0; i < width/2; i++)
+ for (i = 0; i < width/2; i++)
speech[i] += ppc_gain * *shape++;
- for (i=1; i < ROUNDED_DIV(len,width) ; i++) {
+ for (i = 1; i < ROUNDED_DIV(len,width) ; i++) {
center = very_broken_op(period, i);
- for (j=-width/2; j < (width+1)/2; j++)
+ for (j = -width/2; j < (width+1)/2; j++)
speech[j+center] += ppc_gain * *shape++;
}
// For the last block, be careful not to go beyond the end of the buffer
center = very_broken_op(period, i);
- for (j=-width/2; j < (width + 1)/2 && shape < shape_end; j++)
+ for (j = -width/2; j < (width + 1)/2 && shape < shape_end; j++)
speech[j+center] += ppc_gain * *shape++;
}
@@ -497,17 +497,17 @@ static void dec_gain(TwinContext *tctx,
float sub_step = SUB_AMP_MAX / ((1 << SUB_GAIN_BITS) - 1);
if (ftype == FT_LONG) {
- for (i=0; i < tctx->avctx->channels; i++)
+ for (i = 0; i < tctx->avctx->channels; i++)
out[i] = (1./(1<<13)) *
mulawinv(step * 0.5 + step * get_bits(gb, GAIN_BITS),
AMP_MAX, MULAW_MU);
} else {
- for (i=0; i < tctx->avctx->channels; i++) {
+ for (i = 0; i < tctx->avctx->channels; i++) {
float val = (1./(1<<23)) *
mulawinv(step * 0.5 + step * get_bits(gb, GAIN_BITS),
AMP_MAX, MULAW_MU);
- for (j=0; j < sub; j++) {
+ for (j = 0; j < sub; j++) {
out[i*sub + j] =
val*mulawinv(sub_step* 0.5 +
sub_step* get_bits(gb, SUB_GAIN_BITS),
@@ -527,7 +527,7 @@ static void rearrange_lsp(int order, flo
{
int i;
float min_dist2 = min_dist * 0.5;
- for (i=1; i < order; i++)
+ for (i = 1; i < order; i++)
if (lsp[i] - lsp[i-1] < min_dist) {
float avg = (lsp[i] + lsp[i-1]) * 0.5;
@@ -542,8 +542,8 @@ static void bubblesort(float *lsp, int l
/* sort lsp in ascending order. float bubble agorithm,
O(n) if data already sorted, O(n^2) - otherwise */
- for (i=0; i < lp_order - 1; i++)
- for (j=i; j >= 0 && lsp[j] > lsp[j+1]; j--)
+ for (i = 0; i < lp_order - 1; i++)
+ for (j = i; j >= 0 && lsp[j] > lsp[j+1]; j--)
FFSWAP(float, lsp[j], lsp[j+1]);
}
@@ -564,8 +564,8 @@ static void decode_lsp(TwinContext *tctx
0
};
- j=0;
- for (i=0; i < mtab->lsp_split; i++) {
+ j = 0;
+ for (i = 0; i < mtab->lsp_split; i++) {
int chunk_end = ((i + 1)*mtab->n_lsp + funny_rounding[i])/mtab->lsp_split;
for (; j < chunk_end; j++)
lsp[j] = cb [lpc_idx1 * mtab->n_lsp + j] +
@@ -574,7 +574,7 @@ static void decode_lsp(TwinContext *tctx
rearrange_lsp(mtab->n_lsp, lsp, 0.0001);
- for (i=0; i < mtab->n_lsp; i++) {
+ for (i = 0; i < mtab->n_lsp; i++) {
float tmp1 = 1. - cb3[lpc_hist_idx*mtab->n_lsp + i];
float tmp2 = hist[i] * cb3[lpc_hist_idx*mtab->n_lsp + i];
hist[i] = lsp[i];
@@ -592,7 +592,7 @@ static void dec_lpc_spectrum_inv(TwinCon
int i;
int size = tctx->mtab->size / tctx->mtab->fmode[ftype].sub;
- for (i=0; i < tctx->mtab->n_lsp; i++)
+ for (i = 0; i < tctx->mtab->n_lsp; i++)
lsp[i] = 2*cos(lsp[i]);
switch (ftype) {
@@ -633,7 +633,7 @@ static void imdct_and_window(TwinContext
first_wsize = wsize;
prev_buf = prev + (size - bsize)/2;
- for (j=0; j < mtab->fmode[ftype].sub; j++) {
+ for (j = 0; j < mtab->fmode[ftype].sub; j++) {
int sub_wtype = ftype == FT_MEDIUM ? 8 : wtype;
if (!j && wtype == 4)
@@ -670,7 +670,7 @@ static void imdct_output(TwinContext *tc
float *prev_buf = tctx->prev_frame + tctx->last_block_pos[0];
int i, j;
- for (i=0; i < tctx->avctx->channels; i++) {
+ for (i = 0; i < tctx->avctx->channels; i++) {
imdct_and_window(tctx, ftype, wtype,
tctx->spectrum + i*mtab->size,
prev_buf + 2*i*mtab->size,
@@ -678,13 +678,13 @@ static void imdct_output(TwinContext *tc
}
if (tctx->avctx->channels == 2) {
- for (i=0; i < mtab->size - tctx->last_block_pos[0]; i++) {
+ for (i = 0; i < mtab->size - tctx->last_block_pos[0]; i++) {
float f1 = prev_buf[ i];
float f2 = prev_buf[2*mtab->size + i];
out[2*i ] = f1 + f2;
out[2*i + 1] = f1 - f2;
}
- for (j=0; i < mtab->size; j++,i++) {
+ for (j = 0; i < mtab->size; j++,i++) {
float f1 = tctx->curr_frame[ j];
float f2 = tctx->curr_frame[2*mtab->size + j];
out[2*i ] = f1 + f2;
@@ -713,8 +713,8 @@ static void dec_bark_env(TwinContext *tc
int fw_cb_len = mtab->fmode[ftype].bark_env_size / bark_n_coef;
int idx = 0;
- for (i=0; i < fw_cb_len; i++)
- for (j=0; j < bark_n_coef; j++, idx++) {
+ for (i = 0; i < fw_cb_len; i++)
+ for (j = 0; j < bark_n_coef; j++, idx++) {
float tmp2 =
mtab->fmode[ftype].bark_cb[fw_cb_len*in[j] + i] * (1./4096);
float st = use_hist ?
@@ -751,23 +751,23 @@ static void read_and_decode_spectrum(Twi
mtab->fmode[ftype].cb0, mtab->fmode[ftype].cb1,
mtab->fmode[ftype].cb_len_read);
- for (i=0; i < channels; i++)
- for (j=0; j < sub; j++)
- for (k=0; k < mtab->fmode[ftype].bark_n_coef; k++)
+ for (i = 0; i < channels; i++)
+ for (j = 0; j < sub; j++)
+ for (k = 0; k < mtab->fmode[ftype].bark_n_coef; k++)
bark1[i][j][k] =
get_bits(gb, mtab->fmode[ftype].bark_n_bit);
- for (i=0; i < channels; i++)
- for (j=0; j < sub; j++)
+ for (i = 0; i < channels; i++)
+ for (j = 0; j < sub; j++)
bark_use_hist[i][j] = get_bits1(gb);
dec_gain(tctx, gb, ftype, gain);
- for (i=0; i < channels; i++) {
+ for (i = 0; i < channels; i++) {
lpc_hist_idx[i] = get_bits(gb, tctx->mtab->lsp_bit0);
lpc_idx1 [i] = get_bits(gb, tctx->mtab->lsp_bit1);
- for (j=0; j < tctx->mtab->lsp_split; j++)
+ for (j = 0; j < tctx->mtab->lsp_split; j++)
lpc_idx2[i][j] = get_bits(gb, tctx->mtab->lsp_bit2);
}
@@ -778,11 +778,11 @@ static void read_and_decode_spectrum(Twi
mtab->ppc_shape_cb + cb_len_p*PPC_SHAPE_CB_SIZE, cb_len_p);
}
- for (i=0; i < channels; i++) {
+ for (i = 0; i < channels; i++) {
float *chunk = out + mtab->size * i;
float lsp[tctx->mtab->n_lsp];
- for (j=0; j < sub; j++) {
+ for (j = 0; j < sub; j++) {
dec_bark_env(tctx, bark1[i][j], bark_use_hist[i][j], i,
tctx->tmp_buf, gain[sub*i+j], ftype);
@@ -807,7 +807,7 @@ static void read_and_decode_spectrum(Twi
dec_lpc_spectrum_inv(tctx, lsp, ftype, tctx->tmp_buf);
- for (j=0; j < mtab->fmode[ftype].sub; j++) {
+ for (j = 0; j < mtab->fmode[ftype].sub; j++) {
tctx->dsp.vector_fmul(chunk, tctx->tmp_buf, block_size);
chunk += block_size;
}
@@ -879,7 +879,7 @@ static av_cold void init_mdct_win(TwinCo
int channels = tctx->avctx->channels;
float norm = channels == 1 ? 2. : 1.;
- for (i=0; i < 3; i++) {
+ for (i = 0; i < 3; i++) {
int bsize = tctx->mtab->size/tctx->mtab->fmode[i].sub;
ff_mdct_init(&tctx->mdct_ctx[i], av_log2(bsize) + 1, 1,
-sqrt(norm/bsize) / (1<<15));
@@ -891,14 +891,14 @@ static av_cold void init_mdct_win(TwinCo
tctx->curr_frame = av_malloc(2*mtab->size*channels*sizeof(float));
tctx->prev_frame = av_malloc(2*mtab->size*channels*sizeof(float));
- for(i=0; i < 3; i++) {
+ for (i = 0; i < 3; i++) {
int m = 4*mtab->size/mtab->fmode[i].sub;
double freq = 2*M_PI/m;
tctx->cos_tabs[i] = av_malloc((m/4)*sizeof(*tctx->cos_tabs));
- for (j=0; j <= m/8; j++)
+ for (j = 0; j <= m/8; j++)
tctx->cos_tabs[i][j] = cos((2*j + 1)*freq);
- for (j=1; j < m/8; j++)
+ for (j = 1; j < m/8; j++)
tctx->cos_tabs[i][m/4-j] = tctx->cos_tabs[i][j];
}
@@ -922,7 +922,7 @@ static void permutate_in_line(int16_t *t
{
int i,j;
- for (i=0; i < line_len[0]; i++) {
+ for (i = 0; i < line_len[0]; i++) {
int shift;
if (num_blocks == 1 ||
@@ -935,7 +935,7 @@ static void permutate_in_line(int16_t *t
} else
shift = i*i;
- for (j=0; j < num_vect && (j+num_vect*i < block_size*num_blocks); j++)
+ for (j = 0; j < num_vect && (j+num_vect*i < block_size*num_blocks); j++)
tab[i*num_vect+j] = i*num_vect + (j + shift) % num_vect;
}
}
@@ -960,8 +960,8 @@ static void transpose_perm(int16_t *out,
{
int i,j;
int cont= 0;
- for (i=0; i < num_vect; i++)
- for (j=0; j < line_len[i >= length_div]; j++)
+ for (i = 0; i < num_vect; i++)
+ for (j = 0; j < line_len[i >= length_div]; j++)
out[cont++] = in[j*num_vect + i];
}
@@ -970,7 +970,7 @@ static void linear_perm(int16_t *out, in
int block_size = size/n_blocks;
int i;
- for (i=0; i < size; i++)
+ for (i = 0; i < size; i++)
out[i] = block_size * (in[i] % n_blocks) + in[i] / n_blocks;
}
@@ -1015,7 +1015,7 @@ static av_cold void init_bitstream_param
int bse_bits[3];
int i;
- for (i=0; i < 3; i++)
+ for (i = 0; i < 3; i++)
// +1 for history usage switch
bse_bits[i] = n_ch *
(mtab->fmode[i].bark_n_coef * mtab->fmode[i].bark_n_bit + 1);
@@ -1023,13 +1023,13 @@ static av_cold void init_bitstream_param
bsize_no_main_cb[2] = bse_bits[2] + lsp_bits_per_block + ppc_bits +
WINDOW_TYPE_BITS + n_ch*GAIN_BITS;
- for (i=0; i < 2; i++)
+ for (i = 0; i < 2; i++)
bsize_no_main_cb[i] =
lsp_bits_per_block + n_ch*GAIN_BITS + WINDOW_TYPE_BITS +
mtab->fmode[i].sub*(bse_bits[i] + n_ch*SUB_GAIN_BITS);
// The remaining bits are all used for the main spectrum coefficients
- for (i=0; i < 4; i++) {
+ for (i = 0; i < 4; i++) {
int bit_size;
int vect_size;
int rounded_up, rounded_down, num_rounded_down, num_rounded_up;
@@ -1062,7 +1062,7 @@ static av_cold void init_bitstream_param
tctx->length_change[i] = num_rounded_up;
}
- for (i=0; i < 4; i++)
+ for (i = 0; i < 4; i++)
construct_perm_table(tctx, i);
}
@@ -1110,7 +1110,7 @@ static av_cold int twin_decode_close(AVC
TwinContext *tctx = avctx->priv_data;
int i;
- for (i=0; i < 3; i++) {
+ for (i = 0; i < 3; i++) {
ff_mdct_end(&tctx->mdct_ctx[i]);
av_free(tctx->cos_tabs[i]);
}
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