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ffmpeg.wasm-core
Commit 99d61d34 authored by Diego Biurrun's avatar Diego Biurrun
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cosmetics: prettyprinting, K&R style, break overly long lines 

Originally committed as revision 19377 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent fd257dc4
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Showing with 133 additions and 107 deletions
libavcodec/aaccoder.c
View file @ 99d61d34
......@@ -49,7 +49,7 @@ static const uint8_t run_value_bits_short[16] = {
3, 3, 3, 3, 3, 3, 3, 6, 6, 6, 6, 6, 6, 6, 6, 9
};
static const uint8_t* run_value_bits[2] = {
static const uint8_t *run_value_bits[2] = {
run_value_bits_long, run_value_bits_short
};
......@@ -64,7 +64,8 @@ static av_always_inline int quant(float coef, const float Q)
return pow(coef * Q, 0.75) + 0.4054;
}
static void quantize_bands(int (*out)[2], const float *in, const float *scaled, int size, float Q34, int is_signed, int maxval)
static void quantize_bands(int (*out)[2], const float *in, const float *scaled,
int size, float Q34, int is_signed, int maxval)
{
int i;
double qc;
......@@ -79,7 +80,7 @@ static void quantize_bands(int (*out)[2], const float *in, const float *scaled,
}
}
static void abs_pow34_v(float *out, const float* in, const int size)
static void abs_pow34_v(float *out, const float *in, const int size)
{
#ifndef USE_REALLY_FULL_SEARCH
int i;
......@@ -102,8 +103,10 @@ static const uint8_t aac_cb_maxval[12] = {0, 1, 1, 2, 2, 4, 4, 7, 7, 12, 12, 16}
*
* @return quantization distortion
*/
static float quantize_band_cost(struct AACEncContext *s, const float *in, const float *scaled, int size, int scale_idx, int cb,
const float lambda, const float uplim, int *bits)
static float quantize_band_cost(struct AACEncContext *s, const float *in,
const float *scaled, int size, int scale_idx,
int cb, const float lambda, const float uplim,
int *bits)
{
const float IQ = ff_aac_pow2sf_tab[200 + scale_idx - SCALE_ONE_POS + SCALE_DIV_512];
const float Q = ff_aac_pow2sf_tab[200 - scale_idx + SCALE_ONE_POS - SCALE_DIV_512];
......@@ -177,7 +180,7 @@ static float quantize_band_cost(struct AACEncContext *s, const float *in, const
rd = INFINITY;
break;
}
if (vec[k] == 64.0f) {//FIXME: slow
if (vec[k] == 64.0f) { //FIXME: slow
if (t >= CLIPPED_ESCAPE) {
di = t - CLIPPED_ESCAPE;
curbits += 21;
......@@ -217,8 +220,9 @@ static float quantize_band_cost(struct AACEncContext *s, const float *in, const
return cost;
}
static void quantize_and_encode_band(struct AACEncContext *s, PutBitContext *pb, const float *in, int size,
int scale_idx, int cb, const float lambda)
static void quantize_and_encode_band(struct AACEncContext *s, PutBitContext *pb,
const float *in, int size, int scale_idx,
int cb, const float lambda)
{
const float IQ = ff_aac_pow2sf_tab[200 + scale_idx - SCALE_ONE_POS + SCALE_DIV_512];
const float Q = ff_aac_pow2sf_tab[200 - scale_idx + SCALE_ONE_POS - SCALE_DIV_512];
......@@ -292,7 +296,7 @@ static void quantize_and_encode_band(struct AACEncContext *s, PutBitContext *pb,
rd = INFINITY;
break;
}
if (vec[k] == 64.0f) {//FIXME: slow
if (vec[k] == 64.0f) { //FIXME: slow
if (t >= CLIPPED_ESCAPE) {
di = t - CLIPPED_ESCAPE;
curbits += 21;
......@@ -430,7 +434,7 @@ static void encode_window_bands_info(AACEncContext *s, SingleChannelElement *sce
idx = cb;
}
ppos = max_sfb;
while(ppos > 0) {
while (ppos > 0) {
cb = idx;
stackrun[stack_len] = path[ppos][cb].run;
stackcb [stack_len] = cb;
......@@ -449,7 +453,7 @@ static void encode_window_bands_info(AACEncContext *s, SingleChannelElement *sce
sce->band_type[win*16 + start] = stackcb[i];
start++;
}
while(count >= run_esc) {
while (count >= run_esc) {
put_bits(&s->pb, run_bits, run_esc);
count -= run_esc;
}
......@@ -457,8 +461,10 @@ static void encode_window_bands_info(AACEncContext *s, SingleChannelElement *sce
}
}
static void encode_window_bands_info_fixed(AACEncContext *s, SingleChannelElement *sce,
int win, int group_len, const float lambda)
static void encode_window_bands_info_fixed(AACEncContext *s,
SingleChannelElement *sce,
int win, int group_len,
const float lambda)
{
encode_window_bands_info(s, sce, win, group_len, 1.0f);
}
......@@ -472,7 +478,8 @@ typedef struct TrellisPath {
} TrellisPath;
static void search_for_quantizers_anmr(AVCodecContext *avctx, AACEncContext *s,
SingleChannelElement *sce, const float lambda)
SingleChannelElement *sce,
const float lambda)
{
int q, w, w2, g, start = 0;
int i;
......@@ -503,7 +510,7 @@ static void search_for_quantizers_anmr(AVCodecContext *avctx, AACEncContext *s,
float qmin, qmax;
int nz = 0;
bandaddr[idx >> 8] = w*16+g;
bandaddr[idx >> 8] = w * 16 + g;
qmin = INT_MAX;
qmax = 0.0f;
for (w2 = 0; w2 < sce->ics.group_len[w]; w2++) {
......@@ -600,7 +607,7 @@ static void search_for_quantizers_anmr(AVCodecContext *avctx, AACEncContext *s,
minq = idx + i;
}
}
while(minq >= 256) {
while (minq >= 256) {
sce->sf_idx[bandaddr[minq>>8]] = minq & 0xFF;
minq = paths[minq].prev;
}
......@@ -614,8 +621,10 @@ static void search_for_quantizers_anmr(AVCodecContext *avctx, AACEncContext *s,
/**
* two-loop quantizers search taken from ISO 13818-7 Appendix C
*/
static void search_for_quantizers_twoloop(AVCodecContext *avctx, AACEncContext *s,
SingleChannelElement *sce, const float lambda)
static void search_for_quantizers_twoloop(AVCodecContext *avctx,
AACEncContext *s,
SingleChannelElement *sce,
const float lambda)
{
int start = 0, i, w, w2, g;
int destbits = avctx->bit_rate * 1024.0 / avctx->sample_rate / avctx->channels;
......@@ -663,12 +672,12 @@ static void search_for_quantizers_twoloop(AVCodecContext *avctx, AACEncContext *
abs_pow34_v(s->scoefs, sce->coeffs, 1024);
//perform two-loop search
//outer loop - improve quality
do{
do {
int tbits, qstep;
minscaler = sce->sf_idx[0];
//inner loop - quantize spectrum to fit into given number of bits
qstep = its ? 1 : 32;
do{
do {
int prev = -1;
tbits = 0;
fflag = 0;
......@@ -732,7 +741,7 @@ static void search_for_quantizers_twoloop(AVCodecContext *avctx, AACEncContext *
if (!qstep && tbits > destbits*1.02)
qstep = 1;
if (sce->sf_idx[0] >= 217)break;
}while(qstep);
} while (qstep);
fflag = 0;
minscaler = av_clip(minscaler, 60, 255 - SCALE_MAX_DIFF);
......@@ -749,11 +758,12 @@ static void search_for_quantizers_twoloop(AVCodecContext *avctx, AACEncContext *
}
}
its++;
}while(fflag && its < 10);
} while (fflag && its < 10);
}
static void search_for_quantizers_faac(AVCodecContext *avctx, AACEncContext *s,
SingleChannelElement *sce, const float lambda)
SingleChannelElement *sce,
const float lambda)
{
int start = 0, i, w, w2, g;
float uplim[128], maxq[128];
......@@ -917,7 +927,8 @@ static void search_for_quantizers_faac(AVCodecContext *avctx, AACEncContext *s,
}
static void search_for_quantizers_fast(AVCodecContext *avctx, AACEncContext *s,
SingleChannelElement *sce, const float lambda)
SingleChannelElement *sce,
const float lambda)
{
int start = 0, i, w, w2, g;
int minq = 255;
......@@ -949,7 +960,8 @@ static void search_for_quantizers_fast(AVCodecContext *avctx, AACEncContext *s,
sce->sf_idx[(w+w2)*16+g] = sce->sf_idx[w*16+g];
}
static void search_for_ms(AACEncContext *s, ChannelElement *cpe, const float lambda)
static void search_for_ms(AACEncContext *s, ChannelElement *cpe,
const float lambda)
{
int start = 0, i, w, w2, g;
float M[128], S[128];
......@@ -969,7 +981,7 @@ static void search_for_ms(AACEncContext *s, ChannelElement *cpe, const float lam
float maxthr = fmaxf(band0->threshold, band1->threshold);
for (i = 0; i < sce0->ics.swb_sizes[g]; i++) {
M[i] = (sce0->coeffs[start+w2*128+i]
+ sce1->coeffs[start+w2*128+i])*0.5;
+ sce1->coeffs[start+w2*128+i]) * 0.5;
S[i] = sce0->coeffs[start+w2*128+i]
- sce1->coeffs[start+w2*128+i];
}
......
libavcodec/aacenc.c
View file @ 99d61d34
......@@ -353,8 +353,10 @@ static void adjust_frame_information(AACEncContext *apc, ChannelElement *cpe, in
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 (msc == 0 || ics0->max_sfb == 0) cpe->ms_mode = 0;
else cpe->ms_mode = msc < ics0->max_sfb ? 1 : 2;
if (msc == 0 || ics0->max_sfb == 0)
cpe->ms_mode = 0;
else
cpe->ms_mode = msc < ics0->max_sfb ? 1 : 2;
}
}
......@@ -373,7 +375,8 @@ static void encode_band_info(AACEncContext *s, SingleChannelElement *sce)
/**
* Encode scalefactors.
*/
static void encode_scale_factors(AVCodecContext *avctx, AACEncContext *s, SingleChannelElement *sce)
static void encode_scale_factors(AVCodecContext *avctx, AACEncContext *s,
SingleChannelElement *sce)
{
int off = sce->sf_idx[0], diff;
int i, w;
......@@ -382,7 +385,8 @@ static void encode_scale_factors(AVCodecContext *avctx, AACEncContext *s, Single
for (i = 0; i < sce->ics.max_sfb; i++) {
if (!sce->zeroes[w*16 + i]) {
diff = sce->sf_idx[w*16 + i] - off + SCALE_DIFF_ZERO;
if (diff < 0 || diff > 120) av_log(avctx, AV_LOG_ERROR, "Scalefactor difference is too big to be coded\n");
if (diff < 0 || diff > 120)
av_log(avctx, AV_LOG_ERROR, "Scalefactor difference is too big to be coded\n");
off = sce->sf_idx[w*16 + i];
put_bits(&s->pb, ff_aac_scalefactor_bits[diff], ff_aac_scalefactor_code[diff]);
}
......@@ -398,7 +402,8 @@ static void encode_pulses(AACEncContext *s, Pulse *pulse)
int i;
put_bits(&s->pb, 1, !!pulse->num_pulse);
if (!pulse->num_pulse) return;
if (!pulse->num_pulse)
return;
put_bits(&s->pb, 2, pulse->num_pulse - 1);
put_bits(&s->pb, 6, pulse->start);
......@@ -437,10 +442,13 @@ static void encode_spectral_coeffs(AACEncContext *s, SingleChannelElement *sce)
/**
* Encode one channel of audio data.
*/
static int encode_individual_channel(AVCodecContext *avctx, AACEncContext *s, SingleChannelElement *sce, int common_window)
static int encode_individual_channel(AVCodecContext *avctx, AACEncContext *s,
SingleChannelElement *sce,
int common_window)
{
put_bits(&s->pb, 8, sce->sf_idx[0]);
if (!common_window) put_ics_info(s, &sce->ics);
if (!common_window)
put_ics_info(s, &sce->ics);
encode_band_info(s, sce);
encode_scale_factors(avctx, s, sce);
encode_pulses(s, &sce->pulse);
......@@ -453,7 +461,8 @@ static int encode_individual_channel(AVCodecContext *avctx, AACEncContext *s, Si
/**
* Write some auxiliary information about the created AAC file.
*/
static void put_bitstream_info(AVCodecContext *avctx, AACEncContext *s, const char *name)
static void put_bitstream_info(AVCodecContext *avctx, AACEncContext *s,
const char *name)
{
int i, namelen, padbits;
......@@ -484,20 +493,23 @@ static int aac_encode_frame(AVCodecContext *avctx,
return 0;
if (data) {
if (!s->psypp) {
memcpy(s->samples + 1024 * avctx->channels, data, 1024 * avctx->channels * sizeof(s->samples[0]));
memcpy(s->samples + 1024 * avctx->channels, data,
1024 * avctx->channels * sizeof(s->samples[0]));
} else {
start_ch = 0;
samples2 = s->samples + 1024 * avctx->channels;
for (i = 0; i < chan_map[0]; i++) {
tag = chan_map[i+1];
chans = tag == TYPE_CPE ? 2 : 1;
ff_psy_preprocess(s->psypp, (uint16_t*)data + start_ch, samples2 + start_ch, start_ch, chans);
ff_psy_preprocess(s->psypp, (uint16_t*)data + start_ch,
samples2 + start_ch, start_ch, chans);
start_ch += chans;
}
}
}
if (!avctx->frame_number) {
memcpy(s->samples, s->samples + 1024 * avctx->channels, 1024 * avctx->channels * sizeof(s->samples[0]));
memcpy(s->samples, s->samples + 1024 * avctx->channels,
1024 * avctx->channels * sizeof(s->samples[0]));
return 0;
}
......@@ -577,12 +589,14 @@ static int aac_encode_frame(AVCodecContext *avctx,
}
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);
av_log(avctx, AV_LOG_ERROR, "input buffer violation %d > %d.\n",
avctx->frame_bits, 6144*avctx->channels);
}
if (!data)
s->last_frame = 1;
memcpy(s->samples, s->samples + 1024 * avctx->channels, 1024 * avctx->channels * sizeof(s->samples[0]));
memcpy(s->samples, s->samples + 1024 * avctx->channels,
1024 * avctx->channels * sizeof(s->samples[0]));
return put_bits_count(&s->pb)>>3;
}
......
libavcodec/aacpsy.c
View file @ 99d61d34
......@@ -255,8 +255,8 @@ static FFPsyWindowInfo psy_3gpp_window(FFPsyContext *ctx,
/**
* Calculate band thresholds as suggested in 3GPP TS26.403
*/
static void psy_3gpp_analyze(FFPsyContext *ctx, int channel, const float *coefs,
FFPsyWindowInfo *wi)
static void psy_3gpp_analyze(FFPsyContext *ctx, int channel,
const float *coefs, FFPsyWindowInfo *wi)
{
Psy3gppContext *pctx = (Psy3gppContext*) ctx->model_priv_data;
Psy3gppChannel *pch = &pctx->ch[channel];
......
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