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authorAlex Converse <alex.converse@gmail.com>2013-10-14 13:51:46 -0700
committerAlex Converse <alex.converse@gmail.com>2013-10-23 00:08:29 -0700
commitb3be41ca82529d60f90107d4e0d5b59daab00920 (patch)
treea284786326d1da69b6c66d01de277d8e7fad197b
parentf457edb69794c7e13b3630456d72f7942fff19f7 (diff)
downloadffmpeg-b3be41ca82529d60f90107d4e0d5b59daab00920.tar.gz
aac: Add support for Enhanced AAC Low Delay (ER AAC ELD).
This does not include support for LD SBR, epTool, data resilience, nor the 960 transform family.
-rw-r--r--Changelog1
-rw-r--r--libavcodec/aac.h2
-rw-r--r--libavcodec/aacdec.c207
-rw-r--r--libavcodec/aactab.c483
-rw-r--r--libavcodec/aactab.h1
-rw-r--r--libavcodec/version.h2
6 files changed, 661 insertions, 35 deletions
diff --git a/Changelog b/Changelog
index 657e68cfd2..fd12d90b7b 100644
--- a/Changelog
+++ b/Changelog
@@ -38,6 +38,7 @@ version 10:
- Low Delay AAC (ER AAC LD) decoding
- mux chapters in ASF files
- Opus in Ogg demuxing
+- Enhanced Low Delay AAC (ER AAC ELD) decoding (no LD SBR support)
version 9:
diff --git a/libavcodec/aac.h b/libavcodec/aac.h
index 40e8dfb50a..375e6b1717 100644
--- a/libavcodec/aac.h
+++ b/libavcodec/aac.h
@@ -234,7 +234,7 @@ typedef struct SingleChannelElement {
int sf_idx[128]; ///< scalefactor indices (used by encoder)
uint8_t zeroes[128]; ///< band is not coded (used by encoder)
DECLARE_ALIGNED(32, float, coeffs)[1024]; ///< coefficients for IMDCT
- DECLARE_ALIGNED(32, float, saved)[1024]; ///< overlap
+ DECLARE_ALIGNED(32, float, saved)[1536]; ///< overlap
DECLARE_ALIGNED(32, float, ret_buf)[2048]; ///< PCM output buffer
DECLARE_ALIGNED(16, float, ltp_state)[3072]; ///< time signal for LTP
PredictorState predictor_state[MAX_PREDICTORS];
diff --git a/libavcodec/aacdec.c b/libavcodec/aacdec.c
index 435caabe81..9cc814935b 100644
--- a/libavcodec/aacdec.c
+++ b/libavcodec/aacdec.c
@@ -2,6 +2,7 @@
* AAC decoder
* Copyright (c) 2005-2006 Oded Shimon ( ods15 ods15 dyndns org )
* Copyright (c) 2006-2007 Maxim Gavrilov ( maxim.gavrilov gmail com )
+ * Copyright (c) 2008-2013 Alex Converse <alex.converse@gmail.com>
*
* AAC LATM decoder
* Copyright (c) 2008-2010 Paul Kendall <paul@kcbbs.gen.nz>
@@ -778,6 +779,67 @@ static int decode_ga_specific_config(AACContext *ac, AVCodecContext *avctx,
return 0;
}
+static int decode_eld_specific_config(AACContext *ac, AVCodecContext *avctx,
+ GetBitContext *gb,
+ MPEG4AudioConfig *m4ac,
+ int channel_config)
+{
+ int ret, ep_config, res_flags;
+ uint8_t layout_map[MAX_ELEM_ID*4][3];
+ int tags = 0;
+ const int ELDEXT_TERM = 0;
+
+ m4ac->ps = 0;
+ m4ac->sbr = 0;
+
+ if (get_bits1(gb)) { // frameLengthFlag
+ avpriv_request_sample(avctx, "960/120 MDCT window");
+ return AVERROR_PATCHWELCOME;
+ }
+
+ res_flags = get_bits(gb, 3);
+ if (res_flags) {
+ avpriv_report_missing_feature(avctx, AV_LOG_ERROR,
+ "AAC data resilience (flags %x)",
+ res_flags);
+ return AVERROR_PATCHWELCOME;
+ }
+
+ if (get_bits1(gb)) { // ldSbrPresentFlag
+ avpriv_report_missing_feature(avctx, AV_LOG_ERROR,
+ "Low Delay SBR");
+ return AVERROR_PATCHWELCOME;
+ }
+
+ while (get_bits(gb, 4) != ELDEXT_TERM) {
+ int len = get_bits(gb, 4);
+ if (len == 15)
+ len += get_bits(gb, 8);
+ if (len == 15 + 255)
+ len += get_bits(gb, 16);
+ if (get_bits_left(gb) < len * 8 + 4) {
+ av_log(ac->avctx, AV_LOG_ERROR, overread_err);
+ return AVERROR_INVALIDDATA;
+ }
+ skip_bits_long(gb, 8 * len);
+ }
+
+ if ((ret = set_default_channel_config(avctx, layout_map,
+ &tags, channel_config)))
+ return ret;
+
+ if (ac && (ret = output_configure(ac, layout_map, tags, OC_GLOBAL_HDR, 0)))
+ return ret;
+
+ ep_config = get_bits(gb, 2);
+ if (ep_config) {
+ avpriv_report_missing_feature(avctx, AV_LOG_ERROR,
+ "epConfig %d", ep_config);
+ return AVERROR_PATCHWELCOME;
+ }
+ return 0;
+}
+
/**
* Decode audio specific configuration; reference: table 1.13.
*
@@ -836,6 +898,11 @@ static int decode_audio_specific_config(AACContext *ac,
m4ac, m4ac->chan_config)) < 0)
return ret;
break;
+ case AOT_ER_AAC_ELD:
+ if ((ret = decode_eld_specific_config(ac, avctx, &gb,
+ m4ac, m4ac->chan_config)) < 0)
+ return ret;
+ break;
default:
avpriv_report_missing_feature(avctx, AV_LOG_ERROR,
"Audio object type %s%d",
@@ -1067,22 +1134,25 @@ static void decode_ltp(LongTermPrediction *ltp,
static int decode_ics_info(AACContext *ac, IndividualChannelStream *ics,
GetBitContext *gb)
{
- if (get_bits1(gb)) {
- av_log(ac->avctx, AV_LOG_ERROR, "Reserved bit set.\n");
- return AVERROR_INVALIDDATA;
- }
- ics->window_sequence[1] = ics->window_sequence[0];
- ics->window_sequence[0] = get_bits(gb, 2);
- if (ac->oc[1].m4ac.object_type == AOT_ER_AAC_LD &&
- ics->window_sequence[0] != ONLY_LONG_SEQUENCE) {
- av_log(ac->avctx, AV_LOG_ERROR,
- "AAC LD is only defined for ONLY_LONG_SEQUENCE but "
- "window sequence %d found.\n", ics->window_sequence[0]);
- ics->window_sequence[0] = ONLY_LONG_SEQUENCE;
- return AVERROR_INVALIDDATA;
+ int aot = ac->oc[1].m4ac.object_type;
+ if (aot != AOT_ER_AAC_ELD) {
+ if (get_bits1(gb)) {
+ av_log(ac->avctx, AV_LOG_ERROR, "Reserved bit set.\n");
+ return AVERROR_INVALIDDATA;
+ }
+ ics->window_sequence[1] = ics->window_sequence[0];
+ ics->window_sequence[0] = get_bits(gb, 2);
+ if (aot == AOT_ER_AAC_LD &&
+ ics->window_sequence[0] != ONLY_LONG_SEQUENCE) {
+ av_log(ac->avctx, AV_LOG_ERROR,
+ "AAC LD is only defined for ONLY_LONG_SEQUENCE but "
+ "window sequence %d found.\n", ics->window_sequence[0]);
+ ics->window_sequence[0] = ONLY_LONG_SEQUENCE;
+ return AVERROR_INVALIDDATA;
+ }
+ ics->use_kb_window[1] = ics->use_kb_window[0];
+ ics->use_kb_window[0] = get_bits1(gb);
}
- ics->use_kb_window[1] = ics->use_kb_window[0];
- ics->use_kb_window[0] = get_bits1(gb);
ics->num_window_groups = 1;
ics->group_len[0] = 1;
if (ics->window_sequence[0] == EIGHT_SHORT_SEQUENCE) {
@@ -1104,7 +1174,7 @@ static int decode_ics_info(AACContext *ac, IndividualChannelStream *ics,
} else {
ics->max_sfb = get_bits(gb, 6);
ics->num_windows = 1;
- if (ac->oc[1].m4ac.object_type == AOT_ER_AAC_LD) {
+ if (aot == AOT_ER_AAC_LD || aot == AOT_ER_AAC_ELD) {
ics->swb_offset = ff_swb_offset_512[ac->oc[1].m4ac.sampling_index];
ics->num_swb = ff_aac_num_swb_512[ac->oc[1].m4ac.sampling_index];
if (!ics->num_swb || !ics->swb_offset)
@@ -1114,20 +1184,22 @@ static int decode_ics_info(AACContext *ac, IndividualChannelStream *ics,
ics->num_swb = ff_aac_num_swb_1024[ac->oc[1].m4ac.sampling_index];
}
ics->tns_max_bands = ff_tns_max_bands_1024[ac->oc[1].m4ac.sampling_index];
- ics->predictor_present = get_bits1(gb);
- ics->predictor_reset_group = 0;
+ if (aot != AOT_ER_AAC_ELD) {
+ ics->predictor_present = get_bits1(gb);
+ ics->predictor_reset_group = 0;
+ }
if (ics->predictor_present) {
- if (ac->oc[1].m4ac.object_type == AOT_AAC_MAIN) {
+ if (aot == AOT_AAC_MAIN) {
if (decode_prediction(ac, ics, gb)) {
return AVERROR_INVALIDDATA;
}
- } else if (ac->oc[1].m4ac.object_type == AOT_AAC_LC ||
- ac->oc[1].m4ac.object_type == AOT_ER_AAC_LC) {
+ } else if (aot == AOT_AAC_LC ||
+ aot == AOT_ER_AAC_LC) {
av_log(ac->avctx, AV_LOG_ERROR,
"Prediction is not allowed in AAC-LC.\n");
return AVERROR_INVALIDDATA;
} else {
- if (ac->oc[1].m4ac.object_type == AOT_ER_AAC_LD) {
+ if (aot == AOT_ER_AAC_LD) {
av_log(ac->avctx, AV_LOG_ERROR,
"LTP in ER AAC LD not yet implemented.\n");
return AVERROR_PATCHWELCOME;
@@ -1749,9 +1821,15 @@ static int decode_ics(AACContext *ac, SingleChannelElement *sce,
TemporalNoiseShaping *tns = &sce->tns;
IndividualChannelStream *ics = &sce->ics;
float *out = sce->coeffs;
- int global_gain, er_syntax, pulse_present = 0;
+ int global_gain, eld_syntax, er_syntax, pulse_present = 0;
int ret;
+ eld_syntax = ac->oc[1].m4ac.object_type == AOT_ER_AAC_ELD;
+ er_syntax = ac->oc[1].m4ac.object_type == AOT_ER_AAC_LC ||
+ ac->oc[1].m4ac.object_type == AOT_ER_AAC_LTP ||
+ ac->oc[1].m4ac.object_type == AOT_ER_AAC_LD ||
+ ac->oc[1].m4ac.object_type == AOT_ER_AAC_ELD;
+
/* This assignment is to silence a GCC warning about the variable being used
* uninitialized when in fact it always is.
*/
@@ -1772,11 +1850,8 @@ static int decode_ics(AACContext *ac, SingleChannelElement *sce,
return ret;
pulse_present = 0;
- er_syntax = ac->oc[1].m4ac.object_type == AOT_ER_AAC_LC ||
- ac->oc[1].m4ac.object_type == AOT_ER_AAC_LTP ||
- ac->oc[1].m4ac.object_type == AOT_ER_AAC_LD;
if (!scale_flag) {
- if ((pulse_present = get_bits1(gb))) {
+ if (!eld_syntax && (pulse_present = get_bits1(gb))) {
if (ics->window_sequence[0] == EIGHT_SHORT_SEQUENCE) {
av_log(ac->avctx, AV_LOG_ERROR,
"Pulse tool not allowed in eight short sequence.\n");
@@ -1792,7 +1867,7 @@ static int decode_ics(AACContext *ac, SingleChannelElement *sce,
if (tns->present && !er_syntax)
if (decode_tns(ac, tns, gb, ics) < 0)
return AVERROR_INVALIDDATA;
- if (get_bits1(gb)) {
+ if (!eld_syntax && get_bits1(gb)) {
avpriv_request_sample(ac->avctx, "SSR");
return AVERROR_PATCHWELCOME;
}
@@ -1892,8 +1967,9 @@ static void apply_intensity_stereo(AACContext *ac,
static int decode_cpe(AACContext *ac, GetBitContext *gb, ChannelElement *cpe)
{
int i, ret, common_window, ms_present = 0;
+ int eld_syntax = ac->oc[1].m4ac.object_type == AOT_ER_AAC_ELD;
- common_window = get_bits1(gb);
+ common_window = eld_syntax || get_bits1(gb);
if (common_window) {
if (decode_ics_info(ac, &cpe->ch[0].ics, gb))
return AVERROR_INVALIDDATA;
@@ -2363,6 +2439,62 @@ static void imdct_and_windowing_ld(AACContext *ac, SingleChannelElement *sce)
memcpy(saved, buf + 256, 256 * sizeof(float));
}
+static void imdct_and_windowing_eld(AACContext *ac, SingleChannelElement *sce)
+{
+ float *in = sce->coeffs;
+ float *out = sce->ret;
+ float *saved = sce->saved;
+ const float *const window = ff_aac_eld_window;
+ float *buf = ac->buf_mdct;
+ int i;
+ const int n = 512;
+ const int n2 = n >> 1;
+ const int n4 = n >> 2;
+
+ // Inverse transform, mapped to the conventional IMDCT by
+ // Chivukula, R.K.; Reznik, Y.A.; Devarajan, V.,
+ // "Efficient algorithms for MPEG-4 AAC-ELD, AAC-LD and AAC-LC filterbanks,"
+ // Audio, Language and Image Processing, 2008. ICALIP 2008. International Conference on
+ // URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4590245&isnumber=4589950
+ for (i = 0; i < n2; i+=2) {
+ float temp;
+ temp = in[i ]; in[i ] = -in[n - 1 - i]; in[n - 1 - i] = temp;
+ temp = -in[i + 1]; in[i + 1] = in[n - 2 - i]; in[n - 2 - i] = temp;
+ }
+ ac->mdct.imdct_half(&ac->mdct_ld, buf, in);
+ for (i = 0; i < n; i+=2) {
+ buf[i] = -buf[i];
+ }
+ // Like with the regular IMDCT at this point we still have the middle half
+ // of a transform but with even symmetry on the left and odd symmetry on
+ // the right
+
+ // window overlapping
+ // The spec says to use samples [0..511] but the reference decoder uses
+ // samples [128..639].
+ for (i = n4; i < n2; i ++) {
+ out[i - n4] = buf[n2 - 1 - i] * window[i - n4] +
+ saved[ i + n2] * window[i + n - n4] +
+ -saved[ n + n2 - 1 - i] * window[i + 2*n - n4] +
+ -saved[2*n + n2 + i] * window[i + 3*n - n4];
+ }
+ for (i = 0; i < n2; i ++) {
+ out[n4 + i] = buf[i] * window[i + n2 - n4] +
+ -saved[ n - 1 - i] * window[i + n2 + n - n4] +
+ -saved[ n + i] * window[i + n2 + 2*n - n4] +
+ saved[2*n + n - 1 - i] * window[i + n2 + 3*n - n4];
+ }
+ for (i = 0; i < n4; i ++) {
+ out[n2 + n4 + i] = buf[ i + n2] * window[i + n - n4] +
+ -saved[ n2 - 1 - i] * window[i + 2*n - n4] +
+ -saved[ n + n2 + i] * window[i + 3*n - n4];
+ }
+
+ // buffer update
+ memmove(saved + n, saved, 2 * n * sizeof(float));
+ memcpy( saved, buf, n * sizeof(float));
+}
+
/**
* Apply dependent channel coupling (applied before IMDCT).
*
@@ -2460,10 +2592,16 @@ static void spectral_to_sample(AACContext *ac)
{
int i, type;
void (*imdct_and_window)(AACContext *ac, SingleChannelElement *sce);
- if (ac->oc[1].m4ac.object_type == AOT_ER_AAC_LD)
+ switch (ac->oc[1].m4ac.object_type) {
+ case AOT_ER_AAC_LD:
imdct_and_window = imdct_and_windowing_ld;
- else
+ break;
+ case AOT_ER_AAC_ELD:
+ imdct_and_window = imdct_and_windowing_eld;
+ break;
+ default:
imdct_and_window = imdct_and_windowing;
+ }
for (type = 3; type >= 0; type--) {
for (i = 0; i < MAX_ELEM_ID; i++) {
ChannelElement *che = ac->che[type][i];
@@ -2556,8 +2694,9 @@ static int aac_decode_er_frame(AVCodecContext *avctx, void *data,
int err, i;
int samples = 1024;
int chan_config = ac->oc[1].m4ac.chan_config;
+ int aot = ac->oc[1].m4ac.object_type;
- if (ac->oc[1].m4ac.object_type == AOT_ER_AAC_LD)
+ if (aot == AOT_ER_AAC_LD || aot == AOT_ER_AAC_ELD)
samples >>= 1;
ac->frame = data;
@@ -2581,7 +2720,8 @@ static int aac_decode_er_frame(AVCodecContext *avctx, void *data,
elem_type, elem_id);
return AVERROR_INVALIDDATA;
}
- skip_bits(gb, 4);
+ if (aot != AOT_ER_AAC_ELD)
+ skip_bits(gb, 4);
switch (elem_type) {
case TYPE_SCE:
err = decode_ics(ac, &che->ch[0], gb, 0, 0);
@@ -2783,6 +2923,7 @@ static int aac_decode_frame(AVCodecContext *avctx, void *data,
case AOT_ER_AAC_LC:
case AOT_ER_AAC_LTP:
case AOT_ER_AAC_LD:
+ case AOT_ER_AAC_ELD:
err = aac_decode_er_frame(avctx, data, got_frame_ptr, &gb);
break;
default:
diff --git a/libavcodec/aactab.c b/libavcodec/aactab.c
index b96a7d5273..77cbc2d460 100644
--- a/libavcodec/aactab.c
+++ b/libavcodec/aactab.c
@@ -1241,3 +1241,486 @@ const uint8_t ff_tns_max_bands_128[] = {
9, 9, 10, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14
};
// @}
+
+const DECLARE_ALIGNED(32, float, ff_aac_eld_window)[1920] = {
+ 0.00338834, 0.00567745, 0.00847677, 0.01172641,
+ 0.01532555, 0.01917664, 0.02318809, 0.02729259,
+ 0.03144503, 0.03560261, 0.03972499, 0.04379783,
+ 0.04783094, 0.05183357, 0.05581342, 0.05977723,
+ 0.06373173, 0.06768364, 0.07163937, 0.07559976,
+ 0.07956096, 0.08352024, 0.08747623, 0.09143035,
+ 0.09538618, 0.09934771, 0.10331917, 0.10730456,
+ 0.11130697, 0.11532867, 0.11937133, 0.12343922,
+ 0.12753911, 0.13167705, 0.13585812, 0.14008529,
+ 0.14435986, 0.14868291, 0.15305531, 0.15747594,
+ 0.16194193, 0.16645070, 0.17099991, 0.17558633,
+ 0.18020600, 0.18485548, 0.18953191, 0.19423322,
+ 0.19895800, 0.20370512, 0.20847374, 0.21326312,
+ 0.21807244, 0.22290083, 0.22774742, 0.23261210,
+ 0.23749542, 0.24239767, 0.24731889, 0.25225887,
+ 0.25721719, 0.26219330, 0.26718648, 0.27219630,
+ 0.27722262, 0.28226514, 0.28732336, 0.29239628,
+ 0.29748247, 0.30258055, 0.30768914, 0.31280508,
+ 0.31792385, 0.32304172, 0.32815579, 0.33326397,
+ 0.33836470, 0.34345661, 0.34853868, 0.35361188,
+ 0.35867865, 0.36374072, 0.36879900, 0.37385347,
+ 0.37890349, 0.38394836, 0.38898730, 0.39401912,
+ 0.39904236, 0.40405575, 0.40905820, 0.41404819,
+ 0.41902398, 0.42398423, 0.42892805, 0.43385441,
+ 0.43876210, 0.44365014, 0.44851786, 0.45336632,
+ 0.45819759, 0.46301302, 0.46781309, 0.47259722,
+ 0.47736435, 0.48211365, 0.48684450, 0.49155594,
+ 0.49624679, 0.50091636, 0.50556440, 0.51019132,
+ 0.51479771, 0.51938391, 0.52394998, 0.52849587,
+ 0.53302151, 0.53752680, 0.54201160, 0.54647575,
+ 0.55091916, 0.55534181, 0.55974376, 0.56412513,
+ 0.56848615, 0.57282710, 0.57714834, 0.58145030,
+ 0.58492489, 0.58918511, 0.59342326, 0.59763936,
+ 0.60183347, 0.60600561, 0.61015581, 0.61428412,
+ 0.61839056, 0.62247517, 0.62653799, 0.63057912,
+ 0.63459872, 0.63859697, 0.64257403, 0.64653001,
+ 0.65046495, 0.65437887, 0.65827181, 0.66214383,
+ 0.66599499, 0.66982535, 0.67363499, 0.67742394,
+ 0.68119219, 0.68493972, 0.68866653, 0.69237258,
+ 0.69605778, 0.69972207, 0.70336537, 0.70698758,
+ 0.71058862, 0.71416837, 0.71772674, 0.72126361,
+ 0.72477889, 0.72827246, 0.73174419, 0.73519392,
+ 0.73862141, 0.74202643, 0.74540874, 0.74876817,
+ 0.75210458, 0.75541785, 0.75870785, 0.76197437,
+ 0.76521709, 0.76843570, 0.77162988, 0.77479939,
+ 0.77794403, 0.78106359, 0.78415789, 0.78722670,
+ 0.79026979, 0.79328694, 0.79627791, 0.79924244,
+ 0.80218027, 0.80509112, 0.80797472, 0.81083081,
+ 0.81365915, 0.81645949, 0.81923160, 0.82197528,
+ 0.82469037, 0.82737673, 0.83003419, 0.83266262,
+ 0.83526186, 0.83783176, 0.84037217, 0.84288297,
+ 0.84536401, 0.84781517, 0.85023632, 0.85262739,
+ 0.85498836, 0.85731921, 0.85961993, 0.86189052,
+ 0.86413101, 0.86634140, 0.86852173, 0.87067211,
+ 0.87279275, 0.87488384, 0.87694559, 0.87897824,
+ 0.88098206, 0.88295729, 0.88490423, 0.88682332,
+ 0.88871519, 0.89058048, 0.89241983, 0.89423391,
+ 0.89602338, 0.89778893, 0.89953126, 0.90125142,
+ 0.90295086, 0.90463104, 0.90629341, 0.90793946,
+ 0.90957067, 0.91118856, 0.91279464, 0.91439073,
+ 0.91597898, 0.91756153, 0.91914049, 0.92071690,
+ 0.92229070, 0.92386182, 0.92542993, 0.92698946,
+ 0.92852960, 0.93003929, 0.93150727, 0.93291739,
+ 0.93424863, 0.93547974, 0.93658982, 0.93756587,
+ 0.93894072, 0.93922780, 0.93955477, 0.93991290,
+ 0.94029104, 0.94067794, 0.94106258, 0.94144084,
+ 0.94181549, 0.94218963, 0.94256628, 0.94294662,
+ 0.94332998, 0.94371562, 0.94410280, 0.94449122,
+ 0.94488106, 0.94527249, 0.94566568, 0.94606074,
+ 0.94645772, 0.94685665, 0.94725759, 0.94766054,
+ 0.94806547, 0.94847234, 0.94888115, 0.94929190,
+ 0.94970469, 0.95011960, 0.95053672, 0.95095604,
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+ -0.01351949, -0.01349670, -0.01347088, -0.01344214,
+ -0.01341078, -0.01337715, -0.01334158, -0.01330442,
+ -0.01326601, -0.01322671, -0.01318689, -0.01314692,
+ -0.01310123, -0.01306470, -0.01302556, -0.01298381,
+ -0.01293948, -0.01289255, -0.01284305, -0.01279095,
+ -0.01273625, -0.01267893, -0.01261897, -0.01255632,
+ -0.01249096, -0.01242283, -0.01235190, -0.01227827,
+ -0.01220213, -0.01212366, -0.01204304, -0.01196032,
+ -0.01187543, -0.01178829, -0.01169884, -0.01160718,
+ -0.01151352, -0.01141809, -0.01132111, -0.01122272,
+ -0.01112304, -0.01102217, -0.01092022, -0.01081730,
+ -0.01071355, -0.01060912, -0.01050411, -0.01039854,
+ -0.01029227, -0.01018521, -0.01007727, -0.00996859,
+ -0.00985959, -0.00975063, -0.00964208, -0.00953420,
+ -0.00942723, -0.00932135, -0.00921677, -0.00911364,
+ -0.00901208, -0.00891220, -0.00881412, -0.00871792,
+ -0.00862369, -0.00853153, -0.00844149, -0.00835360,
+ -0.00826785, -0.00818422, -0.00810267, -0.00802312,
+ -0.00794547, -0.00786959, -0.00779533, -0.00772165,
+ -0.00764673, -0.00756886, -0.00748649, -0.00739905,
+ -0.00730681, -0.00721006, -0.00710910, -0.00700419,
+ -0.00689559, -0.00678354, -0.00666829, -0.00655007,
+ -0.00642916, -0.00630579, -0.00618022, -0.00605267,
+ -0.00592333, -0.00579240, -0.00566006, -0.00552651,
+ -0.00539194, -0.00525653, -0.00512047, -0.00498390,
+ -0.00484693, -0.00470969, -0.00457228, -0.00443482,
+ -0.00429746, -0.00416034, -0.00402359, -0.00388738,
+ -0.00375185, -0.00361718, -0.00348350, -0.00335100,
+ -0.00321991, -0.00309043, -0.00296276, -0.00283698,
+ -0.00271307, -0.00259098, -0.00247066, -0.00235210,
+ -0.00223531, -0.00212030, -0.00200709, -0.00189576,
+ -0.00178647, -0.00167936, -0.00157457, -0.00147216,
+ -0.00137205, -0.00127418, -0.00117849, -0.00108498,
+ -0.00099375, -0.00090486, -0.00081840, -0.00073444,
+ -0.00065309, -0.00057445, -0.00049860, -0.00042551,
+ -0.00035503, -0.00028700, -0.00022125, -0.00015761,
+ -0.00009588, -0.00003583, 0.00002272, 0.00007975,
+ 0.00013501, 0.00018828, 0.00023933, 0.00028784,
+ 0.00033342, 0.00037572, 0.00041438, 0.00044939,
+ 0.00048103, 0.00050958, 0.00053533, 0.00055869,
+ 0.00058015, 0.00060022, 0.00061935, 0.00063781,
+ 0.00065568, 0.00067303, 0.00068991, 0.00070619,
+ 0.00072155, 0.00073567, 0.00074826, 0.00075912,
+ 0.00076811, 0.00077509, 0.00077997, 0.00078275,
+ 0.00078351, 0.00078237, 0.00077943, 0.00077484,
+ 0.00076884, 0.00076160, 0.00075335, 0.00074423,
+ 0.00073442, 0.00072404, 0.00071323, 0.00070209,
+ 0.00069068, 0.00067906, 0.00066728, 0.00065534,
+ 0.00064321, 0.00063086, 0.00061824, 0.00060534,
+ 0.00059211, 0.00057855, 0.00056462, 0.00055033,
+ 0.00053566, 0.00052063, 0.00050522, 0.00048949,
+ 0.00047349, 0.00045728, 0.00044092, 0.00042447,
+ 0.00040803, 0.00039166, 0.00037544, 0.00035943,
+ 0.00034371, 0.00032833, 0.00031333, 0.00029874,
+ 0.00028452, 0.00027067, 0.00025715, 0.00024395,
+ 0.00023104, 0.00021842, 0.00020606, 0.00019398,
+ 0.00018218, 0.00017069, 0.00015953, 0.00014871,
+ 0.00013827, 0.00012823, 0.00011861, 0.00010942,
+ 0.00010067, 0.00009236, 0.00008448, 0.00007703,
+ 0.00006999, 0.00006337, 0.00005714, 0.00005129,
+ 0.00004583, 0.00004072, 0.00003597, 0.00003157,
+ 0.00002752, 0.00002380, 0.00002042, 0.00001736,
+ 0.00001461, 0.00001215, 0.00000998, 0.00000807,
+ 0.00000641, 0.00000499, 0.00000378, 0.00000278,
+ 0.00000196, 0.00000132, 0.00000082, 0.00000046,
+ 0.00000020, 0.00000005, -0.00000003, -0.00000006,
+ -0.00000004, -0.00000001, 0.00000001, 0.00000001,
+ 0.00000001, 0.00000001, -0.00000001, -0.00000004,
+ -0.00000005, -0.00000003, 0.00000005, 0.00000020,
+ 0.00000043, 0.00000077, 0.00000123, 0.00000183,
+ 0.00000257, 0.00000348, 0.00000455, 0.00000581,
+ 0.00000727, 0.00000893, 0.00001080, 0.00001290,
+ 0.00001522, 0.00001778, 0.00002057, 0.00002362,
+ 0.00002691, 0.00003044, 0.00003422, 0.00003824,
+ 0.00004250, 0.00004701, 0.00005176, 0.00005676,
+ 0.00006200, 0.00006749, 0.00007322, 0.00007920,
+ 0.00008541, 0.00009186, 0.00009854, 0.00010543,
+ 0.00011251, 0.00011975, 0.00012714, 0.00013465,
+ 0.00014227, 0.00014997, 0.00015775, 0.00016558,
+ 0.00017348, 0.00018144, 0.00018947, 0.00019756,
+ 0.00020573, 0.00021399, 0.00022233, 0.00023076,
+ 0.00023924, 0.00024773, 0.00025621, 0.00026462,
+ 0.00027293, 0.00028108, 0.00028904, 0.00029675,
+ 0.00030419, 0.00031132, 0.00031810, 0.00032453,
+ 0.00033061, 0.00033632, 0.00034169, 0.00034672,
+ 0.00035142, 0.00035580, 0.00035988, 0.00036369,
+ 0.00036723, 0.00037053, 0.00037361, 0.00037647,
+ 0.00037909, 0.00038145, 0.00038352, 0.00038527,
+ 0.00038663, 0.00038757, 0.00038801, 0.00038790,
+ 0.00038717, 0.00038572, 0.00038350, 0.00038044,
+ 0.00037651, 0.00037170, 0.00036597, 0.00035936,
+ 0.00035191, 0.00034370, 0.00033480, 0.00032531,
+ 0.00031537, 0.00030512, 0.00029470, 0.00028417,
+ 0.00027354, 0.00026279, 0.00025191, 0.00024081,
+ 0.00022933, 0.00021731, 0.00020458, 0.00019101,
+ 0.00017654, 0.00016106, 0.00014452, 0.00012694,
+ 0.00010848, 0.00008929, 0.00006953, 0.00004935,
+ 0.00002884, 0.00000813, -0.00001268, -0.00003357,
+ -0.00005457, -0.00007574, -0.00009714, -0.00011882,
+ -0.00014082, -0.00016318, -0.00018595, -0.00020912,
+ -0.00023265, -0.00025650, -0.00028060, -0.00030492,
+ -0.00032941, -0.00035400, -0.00037865, -0.00040333,
+ -0.00042804, -0.00045279, -0.00047759, -0.00050243,
+ -0.00052728, -0.00055209, -0.00057685, -0.00060153,
+ -0.00062611, -0.00065056, -0.00067485, -0.00069895,
+ -0.00072287, -0.00074660, -0.00077013, -0.00079345,
+ -0.00081653, -0.00083936, -0.00086192, -0.00088421,
+ -0.00090619, -0.00092786, -0.00094919, -0.00097017,
+ -0.00099077, -0.00101098, -0.00103077, -0.00105012,
+ -0.00106904, -0.00108750, -0.00110549, -0.00112301,
+ -0.00114005, -0.00115660, -0.00117265, -0.00118821,
+ -0.00120325, -0.00121779, -0.00123180, -0.00124528,
+ -0.00125822, -0.00127061, -0.00128243, -0.00129368,
+ -0.00130435, -0.00131445, -0.00132395, -0.00133285,
+ -0.00134113, -0.00134878, -0.00135577, -0.00136215,
+ -0.00136797, -0.00137333, -0.00137834, -0.00138305,
+ -0.00138748, -0.00139163, -0.00139551, -0.00139913,
+ -0.00140249, -0.00140559, -0.00140844, -0.00141102,
+ -0.00141334, -0.00141538, -0.00141714, -0.00141861,
+ -0.00141978, -0.00142064, -0.00142117, -0.00142138,
+ -0.00142125, -0.00142077, -0.00141992, -0.00141870,
+ -0.00141710, -0.00141510, -0.00141268, -0.00140986,
+ -0.00140663, -0.00140301, -0.00139900, -0.00139460,
+ -0.00138981, -0.00138464, -0.00137908, -0.00137313,
+ -0.00136680, -0.00136010, -0.00135301, -0.00134555,
+ -0.00133772, -0.00132952, -0.00132095, -0.00131201,
+ -0.00130272, -0.00129307, -0.00128309, -0.00127277,
+ -0.00126211, -0.00125113, -0.00123981, -0.00122817,
+ -0.00121622, -0.00120397, -0.00119141, -0.00117859,
+ -0.00116552, -0.00115223, -0.00113877, -0.00112517,
+ -0.00111144, -0.00109764, -0.00108377, -0.00106989,
+};
diff --git a/libavcodec/aactab.h b/libavcodec/aactab.h
index bf1576ef71..a2dc46b814 100644
--- a/libavcodec/aactab.h
+++ b/libavcodec/aactab.h
@@ -47,6 +47,7 @@
DECLARE_ALIGNED(32, extern float, ff_aac_kbd_long_1024)[1024];
DECLARE_ALIGNED(32, extern float, ff_aac_kbd_long_512 )[512];
DECLARE_ALIGNED(32, extern float, ff_aac_kbd_short_128)[128];
+const DECLARE_ALIGNED(32, extern float, ff_aac_eld_window)[1920];
// @}
/* @name number of scalefactor window bands for long and short transform windows respectively
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 55ef7055c3..e394c769a0 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -27,7 +27,7 @@
*/
#define LIBAVCODEC_VERSION_MAJOR 55
-#define LIBAVCODEC_VERSION_MINOR 21
+#define LIBAVCODEC_VERSION_MINOR 22
#define LIBAVCODEC_VERSION_MICRO 0
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \