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Code Issues Releases Activity

cosmetics: Remove unnecessary {} around if/for blocks;

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move statements after if/for to the next line.

Originally committed as revision 19378 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Diego Biurrun 2009-07-08 21:36:33 +00:00
parent 99d61d340c
commit c8f47d8b79
4 changed files with 36 additions and 51 deletions
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39
libavcodec/aaccoder.c
View File

@ -84,9 +84,8 @@ static void abs_pow34_v(float *out, const float *in, const int size)
{
#ifndef USE_REALLY_FULL_SEARCH
int i;
for (i = 0; i < size; i++) {
for (i = 0; i < size; i++)
out[i] = pow(fabsf(in[i]), 0.75);
}
#endif /* USE_REALLY_FULL_SEARCH */
}
@ -141,9 +140,8 @@ static float quantize_band_cost(struct AACEncContext *s, const float *in,
#ifndef USE_REALLY_FULL_SEARCH
int (*quants)[2] = &s->qcoefs[i];
mincost = 0.0f;
for (j = 0; j < dim; j++) {
for (j = 0; j < dim; j++)
mincost += in[i+j]*in[i+j]*lambda;
}
minidx = IS_CODEBOOK_UNSIGNED(cb) ? 0 : 40;
minbits = ff_aac_spectral_bits[cb-1][minidx];
mincost += minbits;
@ -256,9 +254,8 @@ static void quantize_and_encode_band(struct AACEncContext *s, PutBitContext *pb,
#ifndef USE_REALLY_FULL_SEARCH
int (*quants)[2] = &s->qcoefs[i];
mincost = 0.0f;
for (j = 0; j < dim; j++) {
for (j = 0; j < dim; j++)
mincost += in[i+j]*in[i+j]*lambda;
}
minidx = IS_CODEBOOK_UNSIGNED(cb) ? 0 : 40;
minbits = ff_aac_spectral_bits[cb-1][minidx];
mincost += minbits;
@ -429,10 +426,9 @@ static void encode_window_bands_info(AACEncContext *s, SingleChannelElement *sce
//convert resulting path from backward-linked list
stack_len = 0;
idx = 0;
for (cb = 1; cb < 12; cb++) {
for (cb = 1; cb < 12; cb++)
if (path[max_sfb][cb].cost < path[max_sfb][idx].cost)
idx = cb;
}
ppos = max_sfb;
while (ppos > 0) {
cb = idx;
@ -523,7 +519,8 @@ static void search_for_quantizers_anmr(AVCodecContext *avctx, AACEncContext *s,
nz = 1;
for (i = 0; i < sce->ics.swb_sizes[g]; i++) {
float t = fabsf(coefs[w2*128+i]);
if (t > 0.0f) qmin = fminf(qmin, t);
if (t > 0.0f)
qmin = fminf(qmin, t);
qmax = fmaxf(qmax, t);
}
}
@ -540,11 +537,10 @@ static void search_for_quantizers_anmr(AVCodecContext *avctx, AACEncContext *s,
for (w2 = 0; w2 < sce->ics.group_len[w]; w2++) {
FFPsyBand *band = &s->psy.psy_bands[s->cur_channel*PSY_MAX_BANDS+(w+w2)*16+g];
int cb;
for (cb = 0; cb <= ESC_BT; cb++) {
for (cb = 0; cb <= ESC_BT; cb++)
dists[cb] += quantize_band_cost(s, coefs + w2*128, s->scoefs + start + w2*128, sce->ics.swb_sizes[g],
q, cb, lambda / band->threshold, INFINITY, NULL);
}
}
dist = dists[0];
for (i = 1; i <= ESC_BT; i++)
dist = fminf(dist, dists[i]);
@ -725,22 +721,19 @@ static void search_for_quantizers_twoloop(AVCodecContext *avctx,
}
}
if (tbits > destbits) {
for (i = 0; i < 128; i++) {
if (sce->sf_idx[i] < 218 - qstep) {
for (i = 0; i < 128; i++)
if (sce->sf_idx[i] < 218 - qstep)
sce->sf_idx[i] += qstep;
}
}
} else {
for (i = 0; i < 128; i++) {
if (sce->sf_idx[i] > 60 - qstep) {
for (i = 0; i < 128; i++)
if (sce->sf_idx[i] > 60 - qstep)
sce->sf_idx[i] -= qstep;
}
}
}
qstep >>= 1;
if (!qstep && tbits > destbits*1.02)
qstep = 1;
if (sce->sf_idx[0] >= 217)break;
if (sce->sf_idx[0] >= 217)
break;
} while (qstep);
fflag = 0;
@ -916,7 +909,8 @@ static void search_for_quantizers_faac(AVCodecContext *avctx, AACEncContext *s,
else
minq = FFMIN(minq, sce->sf_idx[i]);
}
if (minq == INT_MAX) minq = 0;
if (minq == INT_MAX)
minq = 0;
minq = FFMIN(minq, SCALE_MAX_POS);
maxsf = FFMIN(minq + SCALE_MAX_DIFF, SCALE_MAX_POS);
for (i = 126; i >= 0; i--) {
@ -951,7 +945,8 @@ static void search_for_quantizers_fast(AVCodecContext *avctx, AACEncContext *s,
}
}
for (i = 0; i < 128; i++) {
sce->sf_idx[i] = 140;//av_clip(sce->sf_idx[i], minq, minq + SCALE_MAX_DIFF - 1);
sce->sf_idx[i] = 140;
//av_clip(sce->sf_idx[i], minq, minq + SCALE_MAX_DIFF - 1);
}
//set the same quantizers inside window groups
for (w = 0; w < sce->ics.num_windows; w += sce->ics.group_len[w])

30
libavcodec/aacenc.c
View File

@ -276,10 +276,9 @@ static void put_ics_info(AACEncContext *s, IndividualChannelStream *info)
put_bits(&s->pb, 1, 0); // no prediction
} else {
put_bits(&s->pb, 4, info->max_sfb);
for (w = 1; w < 8; w++) {
for (w = 1; w < 8; w++)
put_bits(&s->pb, 1, !info->group_len[w]);
}
}
}
/**
@ -291,12 +290,10 @@ static void encode_ms_info(PutBitContext *pb, ChannelElement *cpe)
int i, w;
put_bits(pb, 2, cpe->ms_mode);
if (cpe->ms_mode == 1) {
for (w = 0; w < cpe->ch[0].ics.num_windows; w += cpe->ch[0].ics.group_len[w]) {
if (cpe->ms_mode == 1)
for (w = 0; w < cpe->ch[0].ics.num_windows; w += cpe->ch[0].ics.group_len[w])
for (i = 0; i < cpe->ch[0].ics.max_sfb; i++)
put_bits(pb, 1, cpe->ms_mask[w*16 + i]);
}
}
}
/**
@ -324,7 +321,8 @@ static void adjust_frame_information(AACEncContext *apc, ChannelElement *cpe, in
}
start += ics->swb_sizes[g];
}
for (cmaxsfb = ics->num_swb; cmaxsfb > 0 && cpe->ch[ch].zeroes[w+cmaxsfb-1]; cmaxsfb--);
for (cmaxsfb = ics->num_swb; cmaxsfb > 0 && cpe->ch[ch].zeroes[w+cmaxsfb-1]; cmaxsfb--)
;
maxsfb = FFMAX(maxsfb, cmaxsfb);
}
ics->max_sfb = maxsfb;
@ -352,7 +350,8 @@ static void adjust_frame_information(AACEncContext *apc, ChannelElement *cpe, in
ics1->max_sfb = ics0->max_sfb;
for (w = 0; w < ics0->num_windows*16; w += 16)
for (i = 0; i < ics0->max_sfb; i++)
if (cpe->ms_mask[w+i]) msc++;
if (cpe->ms_mask[w+i])
msc++;
if (msc == 0 || ics0->max_sfb == 0)
cpe->ms_mode = 0;
else
@ -367,9 +366,8 @@ static void encode_band_info(AACEncContext *s, SingleChannelElement *sce)
{
int w;
for (w = 0; w < sce->ics.num_windows; w += sce->ics.group_len[w]) {
for (w = 0; w < sce->ics.num_windows; w += sce->ics.group_len[w])
s->coder->encode_window_bands_info(s, sce, w, sce->ics.group_len[w], s->lambda);
}
}
/**
@ -427,13 +425,12 @@ static void encode_spectral_coeffs(AACEncContext *s, SingleChannelElement *sce)
start += sce->ics.swb_sizes[i];
continue;
}
for (w2 = w; w2 < w + sce->ics.group_len[w]; w2++) {
for (w2 = w; w2 < w + sce->ics.group_len[w]; w2++)
s->coder->quantize_and_encode_band(s, &s->pb, sce->coeffs + start + w2*128,
sce->ics.swb_sizes[i],
sce->sf_idx[w*16 + i],
sce->band_type[w*16 + i],
s->lambda);
}
start += sce->ics.swb_sizes[i];
}
}
@ -514,9 +511,8 @@ static int aac_encode_frame(AVCodecContext *avctx,
}
init_put_bits(&s->pb, frame, buf_size*8);
if ((avctx->frame_number & 0xFF)==1 && !(avctx->flags & CODEC_FLAG_BITEXACT)) {
if ((avctx->frame_number & 0xFF)==1 && !(avctx->flags & CODEC_FLAG_BITEXACT))
put_bitstream_info(avctx, s, LIBAVCODEC_IDENT);
}
start_ch = 0;
memset(chan_el_counter, 0, sizeof(chan_el_counter));
for (i = 0; i < chan_map[0]; i++) {
@ -526,7 +522,8 @@ static int aac_encode_frame(AVCodecContext *avctx,
cpe = &s->cpe[i];
samples2 = samples + start_ch;
la = samples2 + 1024 * avctx->channels + start_ch;
if (!data) la = NULL;
if (!data)
la = NULL;
for (j = 0; j < chans; j++) {
IndividualChannelStream *ics = &cpe->ch[j].ics;
int k;
@ -588,10 +585,9 @@ static int aac_encode_frame(AVCodecContext *avctx,
s->lambda *= ratio;
}
if (avctx->frame_bits > 6144*avctx->channels) {
if (avctx->frame_bits > 6144*avctx->channels)
av_log(avctx, AV_LOG_ERROR, "input buffer violation %d > %d.\n",
avctx->frame_bits, 6144*avctx->channels);
}
if (!data)
s->last_frame = 1;

12
libavcodec/aacpsy.c
View File

@ -140,9 +140,8 @@ static av_cold int psy_3gpp_init(FFPsyContext *ctx) {
start = 0;
for (g = 0; g < ctx->num_bands[j]; g++) {
minscale = ath(ctx->avctx->sample_rate * start / 1024.0, ATH_ADD);
for (i = 1; i < ctx->bands[j][g]; i++) {
for (i = 1; i < ctx->bands[j][g]; i++)
minscale = fminf(minscale, ath(ctx->avctx->sample_rate * (start + i) / 1024.0 / 2.0, ATH_ADD));
}
coeffs->ath[g] = minscale - minath;
start += ctx->bands[j][g];
}
@ -283,19 +282,16 @@ static void psy_3gpp_analyze(FFPsyContext *ctx, int channel,
//modify thresholds - spread, threshold in quiet - 5.4.3 "Spreaded Energy Calculation"
for (w = 0; w < wi->num_windows*16; w += 16) {
Psy3gppBand *band = &pch->band[w];
for (g = 1; g < num_bands; g++) {
for (g = 1; g < num_bands; g++)
band[g].thr = FFMAX(band[g].thr, band[g-1].thr * coeffs->spread_low[g-1]);
}
for (g = num_bands - 2; g >= 0; g--) {
for (g = num_bands - 2; g >= 0; g--)
band[g].thr = FFMAX(band[g].thr, band[g+1].thr * coeffs->spread_hi [g]);
}
for (g = 0; g < num_bands; g++) {
band[g].thr_quiet = FFMAX(band[g].thr, coeffs->ath[g]);
if (wi->num_windows != 8 && wi->window_type[1] != EIGHT_SHORT_SEQUENCE) {
if (wi->num_windows != 8 && wi->window_type[1] != EIGHT_SHORT_SEQUENCE)
band[g].thr_quiet = fmaxf(PSY_3GPP_RPEMIN*band[g].thr_quiet,
fminf(band[g].thr_quiet,
PSY_3GPP_RPELEV*pch->prev_band[w+g].thr_quiet));
}
band[g].thr = FFMAX(band[g].thr, band[g].thr_quiet * 0.25);
ctx->psy_bands[channel*PSY_MAX_BANDS+w+g].threshold = band[g].thr;

6
libavcodec/psymodel.c
View File

@ -105,17 +105,15 @@ void ff_psy_preprocess(struct FFPsyPreprocessContext *ctx,
{
int ch, i;
if (ctx->fstate) {
for (ch = 0; ch < channels; ch++) {
for (ch = 0; ch < channels; ch++)
ff_iir_filter(ctx->fcoeffs, ctx->fstate[tag+ch], ctx->avctx->frame_size,
audio + ch, ctx->avctx->channels,
dest + ch, ctx->avctx->channels);
}
} else {
for (ch = 0; ch < channels; ch++) {
for (ch = 0; ch < channels; ch++)
for (i = 0; i < ctx->avctx->frame_size; i++)
dest[i*ctx->avctx->channels + ch] = audio[i*ctx->avctx->channels + ch];
}
}
}
av_cold void ff_psy_preprocess_end(struct FFPsyPreprocessContext *ctx)