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ffmpeg.wasm-core
Commit bf8202f3 authored by Vitor Sessak's avatar Vitor Sessak
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Formatting K&R fixes 

Originally committed as revision 19732 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 9263a05a
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Showing with 51 additions and 51 deletions
libavcodec/twinvq.c
View file @ bf8202f3
......@@ -234,7 +234,7 @@ static float eval_lpc_spectrum(const float *lsp, float cos_val, int order)
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 *tctx, const float *cos_vals, float *lpc)
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, float v1, float v2, int size)
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(TwinContext *tctx,
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, GetBitContext *gb, float *out,
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, GetBitContext *gb, float *out,
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 width, const float *shape,
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, GetBitContext *gb, enum FrameType ftype,
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, float *lsp, float min_dist)
{
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 lp_order)
/* 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, int lpc_idx1, uint8_t *lpc_idx2,
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, int lpc_idx1, uint8_t *lpc_idx2,
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(TwinContext *tctx, float *lsp,
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 *tctx, enum FrameType ftype, int wtype,
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 *tctx, enum FrameType ftype, int wtype,
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 *tctx, enum FrameType ftype, int wtype,
}
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 *tctx, const uint8_t *in, int use_hist,
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(TwinContext *tctx, GetBitContext *gb,
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(TwinContext *tctx, GetBitContext *gb,
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(TwinContext *tctx, GetBitContext *gb,
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(TwinContext *tctx)
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(TwinContext *tctx)
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 *tab, int num_vect, int num_blocks,
{
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 *tab, int num_vect, int num_blocks,
} 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, int16_t *in, int num_vect,
{
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, int16_t *in, int n_blocks, int size)
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_params(TwinContext *tctx)
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_params(TwinContext *tctx)
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_params(TwinContext *tctx)
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(AVCodecContext *avctx)
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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