Skip to content

F
ffmpeg.wasm-core
Commit b65ffa31 authored by Nedeljko Babic's avatar Nedeljko Babic Committed by Michael Niedermayer
Browse files
Options

avcodec/mips/aaccoder_mips: Sync with generic aaccoder file. 

Code in aaccoder_mips.c was not synced with changes in aaccoder.c for
some time.

That was cause for some fate-aac tests failing.

This patch fixes the problems.

Optimizations disabled in 933309a6 are enabled again.
Signed-off-by: 's avatarNedeljko Babic <nedeljko.babic@imgtec.com>
Signed-off-by: 's avatarMichael Niedermayer <michael@niedermayer.cc>
parent a8bedd56
Hide whitespace changes
Inline Side-by-side
Showing with 48 additions and 41 deletions
libavcodec/mips/aaccoder_mips.c
View file @ b65ffa31
......@@ -61,6 +61,7 @@
#include "libavcodec/put_bits.h"
#include "libavcodec/aac.h"
#include "libavcodec/aacenc.h"
#include "libavcodec/aacenctab.h"
#include "libavcodec/aactab.h"
#if HAVE_INLINE_ASM
......@@ -70,21 +71,6 @@ typedef struct BandCodingPath {
int run;
} BandCodingPath;
static const uint8_t run_value_bits_long[64] = {
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 10,
10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 15
};
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 * const run_value_bits[2] = {
run_value_bits_long, run_value_bits_short
};
static const uint8_t uquad_sign_bits[81] = {
0, 1, 1, 1, 2, 2, 1, 2, 2,
1, 2, 2, 2, 3, 3, 2, 3, 3,
......@@ -2200,22 +2186,27 @@ static void search_for_quantizers_twoloop_mips(AVCodecContext *avctx,
const float lambda)
{
int start = 0, i, w, w2, g;
int destbits = avctx->bit_rate * 1024.0 / avctx->sample_rate / avctx->channels;
float dists[128] = { 0 }, uplims[128];
int destbits = avctx->bit_rate * 1024.0 / avctx->sample_rate / avctx->channels * (lambda / 120.f);
float dists[128] = { 0 }, uplims[128] = { 0 };
float maxvals[128];
int fflag, minscaler;
int its = 0;
int allz = 0;
float minthr = INFINITY;
// for values above this the decoder might end up in an endless loop
// due to always having more bits than what can be encoded.
destbits = FFMIN(destbits, 5800);
//XXX: some heuristic to determine initial quantizers will reduce search time
//determine zero bands and upper limits
for (w = 0; w < sce->ics.num_windows; w += sce->ics.group_len[w]) {
for (g = 0; g < sce->ics.num_swb; g++) {
int nz = 0;
float uplim = 0.0f;
float uplim = 0.0f, energy = 0.0f;
for (w2 = 0; w2 < sce->ics.group_len[w]; w2++) {
FFPsyBand *band = &s->psy.ch[s->cur_channel].psy_bands[(w+w2)*16+g];
uplim += band->threshold;
uplim += band->threshold;
energy += band->energy;
if (band->energy <= band->threshold || band->threshold == 0.0f) {
sce->zeroes[(w+w2)*16+g] = 1;
continue;
......@@ -2252,9 +2243,12 @@ static void search_for_quantizers_twoloop_mips(AVCodecContext *avctx,
}
}
//perform two-loop search
//outer loop - improve quality
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 {
int prev = -1;
......@@ -2350,13 +2344,14 @@ static void search_for_quantizers_twoloop_mips(AVCodecContext *avctx,
fflag = 0;
minscaler = av_clip(minscaler, 60, 255 - SCALE_MAX_DIFF);
for (w = 0; w < sce->ics.num_windows; w += sce->ics.group_len[w]) {
for (g = 0; g < sce->ics.num_swb; g++) {
int prevsc = sce->sf_idx[w*16+g];
if (dists[w*16+g] > uplims[w*16+g] && sce->sf_idx[w*16+g] > 60) {
if (find_min_book(maxvals[w*16+g], sce->sf_idx[w*16+g]-1))
sce->sf_idx[w*16+g]--;
else
else //Try to make sure there is some energy in every band
sce->sf_idx[w*16+g]-=2;
}
sce->sf_idx[w*16+g] = av_clip(sce->sf_idx[w*16+g], minscaler, minscaler + SCALE_MAX_DIFF);
......@@ -2375,11 +2370,13 @@ static void search_for_ms_mips(AACEncContext *s, ChannelElement *cpe)
int start = 0, i, w, w2, g;
float M[128], S[128];
float *L34 = s->scoefs, *R34 = s->scoefs + 128, *M34 = s->scoefs + 128*2, *S34 = s->scoefs + 128*3;
const float lambda = s->lambda;
SingleChannelElement *sce0 = &cpe->ch[0];
SingleChannelElement *sce1 = &cpe->ch[1];
if (!cpe->common_window)
return;
for (w = 0; w < sce0->ics.num_windows; w += sce0->ics.group_len[w]) {
start = 0;
for (g = 0; g < sce0->ics.num_swb; g++) {
if (!cpe->ch[0].zeroes[w*16+g] && !cpe->ch[1].zeroes[w*16+g]) {
float dist1 = 0.0f, dist2 = 0.0f;
......@@ -2407,34 +2404,34 @@ static void search_for_ms_mips(AACEncContext *s, ChannelElement *cpe)
S[i+3] = M[i+3]
- sce1->coeffs[start+w2*128+i+3];
}
abs_pow34_v(L34, sce0->coeffs+start+w2*128, sce0->ics.swb_sizes[g]);
abs_pow34_v(R34, sce1->coeffs+start+w2*128, sce0->ics.swb_sizes[g]);
abs_pow34_v(L34, sce0->coeffs+start+(w+w2)*128, sce0->ics.swb_sizes[g]);
abs_pow34_v(R34, sce1->coeffs+start+(w+w2)*128, sce0->ics.swb_sizes[g]);
abs_pow34_v(M34, M, sce0->ics.swb_sizes[g]);
abs_pow34_v(S34, S, sce0->ics.swb_sizes[g]);
dist1 += quantize_band_cost(s, sce0->coeffs + start + w2*128,
dist1 += quantize_band_cost(s, &sce0->coeffs[start + (w+w2)*128],
L34,
sce0->ics.swb_sizes[g],
sce0->sf_idx[(w+w2)*16+g],
sce0->band_type[(w+w2)*16+g],
s->lambda / band0->threshold, INFINITY, NULL);
dist1 += quantize_band_cost(s, sce1->coeffs + start + w2*128,
lambda / band0->threshold, INFINITY, NULL);
dist1 += quantize_band_cost(s, &sce1->coeffs[start + (w+w2)*128],
R34,
sce1->ics.swb_sizes[g],
sce1->sf_idx[(w+w2)*16+g],
sce1->band_type[(w+w2)*16+g],
s->lambda / band1->threshold, INFINITY, NULL);
lambda / band1->threshold, INFINITY, NULL);
dist2 += quantize_band_cost(s, M,
M34,
sce0->ics.swb_sizes[g],
sce0->sf_idx[(w+w2)*16+g],
sce0->band_type[(w+w2)*16+g],
s->lambda / maxthr, INFINITY, NULL);
lambda / maxthr, INFINITY, NULL);
dist2 += quantize_band_cost(s, S,
S34,
sce1->ics.swb_sizes[g],
sce1->sf_idx[(w+w2)*16+g],
sce1->band_type[(w+w2)*16+g],
s->lambda / minthr, INFINITY, NULL);
lambda / minthr, INFINITY, NULL);
}
cpe->ms_mask[w*16+g] = dist2 < dist1;
}
......@@ -2447,7 +2444,7 @@ static void search_for_ms_mips(AACEncContext *s, ChannelElement *cpe)
static void codebook_trellis_rate_mips(AACEncContext *s, SingleChannelElement *sce,
int win, int group_len, const float lambda)
{
BandCodingPath path[120][12];
BandCodingPath path[120][CB_TOT_ALL];
int w, swb, cb, start, size;
int i, j;
const int max_sfb = sce->ics.max_sfb;
......@@ -2460,7 +2457,7 @@ static void codebook_trellis_rate_mips(AACEncContext *s, SingleChannelElement *s
abs_pow34_v(s->scoefs, sce->coeffs, 1024);
start = win*128;
for (cb = 0; cb < 12; cb++) {
for (cb = 0; cb < CB_TOT_ALL; cb++) {
path[0][cb].cost = run_bits+4;
path[0][cb].prev_idx = -1;
path[0][cb].run = 0;
......@@ -2484,7 +2481,7 @@ static void codebook_trellis_rate_mips(AACEncContext *s, SingleChannelElement *s
}
next_minbits = path[swb+1][0].cost;
next_mincb = 0;
for (cb = 1; cb < 12; cb++) {
for (cb = 1; cb < CB_TOT_ALL; cb++) {
path[swb+1][cb].cost = 61450;
path[swb+1][cb].prev_idx = -1;
path[swb+1][cb].run = 0;
......@@ -2493,6 +2490,7 @@ static void codebook_trellis_rate_mips(AACEncContext *s, SingleChannelElement *s
float minbits = next_minbits;
int mincb = next_mincb;
int startcb = sce->band_type[win*16+swb];
startcb = aac_cb_in_map[startcb];
next_minbits = INFINITY;
next_mincb = 0;
for (cb = 0; cb < startcb; cb++) {
......@@ -2500,13 +2498,20 @@ static void codebook_trellis_rate_mips(AACEncContext *s, SingleChannelElement *s
path[swb+1][cb].prev_idx = -1;
path[swb+1][cb].run = 0;
}
for (cb = startcb; cb < 12; cb++) {
for (cb = startcb; cb < CB_TOT_ALL; cb++) {
float cost_stay_here, cost_get_here;
float bits = 0.0f;
if (cb >= 12 && sce->band_type[win*16+swb] != aac_cb_out_map[cb]) {
path[swb+1][cb].cost = 61450;
path[swb+1][cb].prev_idx = -1;
path[swb+1][cb].run = 0;
continue;
}
for (w = 0; w < group_len; w++) {
bits += quantize_band_cost_bits(s, sce->coeffs + start + w*128,
s->scoefs + start + w*128, size,
sce->sf_idx[(win+w)*16+swb], cb,
sce->sf_idx[(win+w)*16+swb],
aac_cb_out_map[cb],
0, INFINITY, NULL);
}
cost_stay_here = path[swb][cb].cost + bits;
......@@ -2532,9 +2537,10 @@ static void codebook_trellis_rate_mips(AACEncContext *s, SingleChannelElement *s
start += sce->ics.swb_sizes[swb];
}
//convert resulting path from backward-linked list
stack_len = 0;
idx = 0;
for (cb = 1; cb < 12; cb++)
for (cb = 1; cb < CB_TOT_ALL; cb++)
if (path[max_sfb][cb].cost < path[max_sfb][idx].cost)
idx = cb;
ppos = max_sfb;
......@@ -2547,14 +2553,16 @@ static void codebook_trellis_rate_mips(AACEncContext *s, SingleChannelElement *s
ppos -= path[ppos][cb].run;
stack_len++;
}
//perform actual band info encoding
start = 0;
for (i = stack_len - 1; i >= 0; i--) {
put_bits(&s->pb, 4, stackcb[i]);
cb = aac_cb_out_map[stackcb[i]];
put_bits(&s->pb, 4, cb);
count = stackrun[i];
memset(sce->zeroes + win*16 + start, !stackcb[i], count);
memset(sce->zeroes + win*16 + start, !cb, count);
//XXX: memset when band_type is also uint8_t
for (j = 0; j < count; j++) {
sce->band_type[win*16 + start] = stackcb[i];
sce->band_type[win*16 + start] = cb;
start++;
}
while (count >= run_esc) {
......@@ -2572,9 +2580,8 @@ void ff_aac_coder_init_mips(AACEncContext *c) {
int option = c->options.aac_coder;
if (option == 2) {
// Disabled due to failure with fate-aac-pns-encode
// e->quantize_and_encode_band = quantize_and_encode_band_mips;
// e->encode_window_bands_info = codebook_trellis_rate_mips;
e->quantize_and_encode_band = quantize_and_encode_band_mips;
e->encode_window_bands_info = codebook_trellis_rate_mips;
#if HAVE_MIPSFPU
e->search_for_quantizers = search_for_quantizers_twoloop_mips;
e->search_for_ms = search_for_ms_mips;
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment