121 enum OCStatus oc_type,
int get_new_frame);
123 #define overread_err "Input buffer exhausted before END element found\n"
128 for (i = 0; i < tags; i++) {
129 int syn_ele =
layout[i][0];
131 sum += (1 + (syn_ele ==
TYPE_CPE)) *
151 int type,
int id,
int *channels)
156 if (!ac->
che[type][
id]) {
173 if (ac->
che[type][
id])
186 for (type = 0; type < 4; type++) {
206 for (ch = 0; ch < avctx->
channels; ch++) {
223 uint64_t right,
int pos)
225 if (layout_map[offset][0] ==
TYPE_CPE) {
227 .av_position = left | right,
229 .elem_id = layout_map[
offset][1],
237 .elem_id = layout_map[
offset][1],
241 .av_position = right,
243 .elem_id = layout_map[offset + 1][1],
253 int num_pos_channels = 0;
257 for (i = *current; i < tags; i++) {
258 if (layout_map[i][2] != pos)
268 num_pos_channels += 2;
279 return num_pos_channels;
284 int i,
n, total_non_cc_elements;
286 int num_front_channels, num_side_channels, num_back_channels;
295 if (num_front_channels < 0)
299 if (num_side_channels < 0)
303 if (num_back_channels < 0)
307 if (num_front_channels & 1) {
311 .elem_id = layout_map[i][1],
315 num_front_channels--;
317 if (num_front_channels >= 4) {
322 num_front_channels -= 2;
324 if (num_front_channels >= 2) {
329 num_front_channels -= 2;
331 while (num_front_channels >= 2) {
336 num_front_channels -= 2;
339 if (num_side_channels >= 2) {
344 num_side_channels -= 2;
346 while (num_side_channels >= 2) {
351 num_side_channels -= 2;
354 while (num_back_channels >= 4) {
359 num_back_channels -= 2;
361 if (num_back_channels >= 2) {
366 num_back_channels -= 2;
368 if (num_back_channels) {
372 .elem_id = layout_map[i][1],
383 .elem_id = layout_map[i][1],
392 .elem_id = layout_map[i][1],
399 total_non_cc_elements = n = i;
402 for (i = 1; i <
n; i++)
403 if (e2c_vec[i - 1].av_position > e2c_vec[i].av_position) {
411 for (i = 0; i < total_non_cc_elements; i++) {
412 layout_map[i][0] = e2c_vec[i].
syn_ele;
413 layout_map[i][1] = e2c_vec[i].
elem_id;
415 if (e2c_vec[i].av_position != UINT64_MAX) {
428 ac->
oc[0] = ac->
oc[1];
439 ac->
oc[1] = ac->
oc[0];
454 uint8_t layout_map[MAX_ELEM_ID * 4][3],
int tags,
455 enum OCStatus oc_type,
int get_new_frame)
458 int i, channels = 0,
ret;
462 memcpy(ac->
oc[1].
layout_map, layout_map, tags *
sizeof(layout_map[0]));
470 for (i = 0; i < tags; i++) {
471 int type = layout_map[i][0];
472 int id = layout_map[i][1];
473 int position = layout_map[i][2];
480 if (ac->
oc[1].
m4ac.
ps == 1 && channels == 2) {
507 for (type = 3; type >= 0; type--) {
511 for (j = 0; j <= 1; j++) {
530 if (channel_config < 1 || channel_config > 7) {
532 "invalid default channel configuration (%d)\n",
538 *tags *
sizeof(*layout_map));
553 " instead of a spec-compliant 7.1(wide) layout, use -strict %d to decode"
571 uint8_t layout_map[MAX_ELEM_ID*4][3];
578 &layout_map_tags, 2) < 0)
590 uint8_t layout_map[MAX_ELEM_ID * 4][3];
597 &layout_map_tags, 1) < 0)
625 "This stream seems to incorrectly report its last channel as %s[%d], mapping to LFE[0]\n",
626 type ==
TYPE_SCE ?
"SCE" :
"LFE", elem_id);
647 "This stream seems to incorrectly report its last channel as %s[%d], mapping to SCE[1]\n",
648 type ==
TYPE_SCE ?
"SCE" :
"LFE", elem_id);
708 layout_map[0][0] = syn_ele;
710 layout_map[0][2] =
type;
724 int num_front, num_side, num_back, num_lfe, num_assoc_data, num_cc;
734 "Sample rate index in program config element does not "
735 "match the sample rate index configured by the container.\n");
752 if (
get_bits_left(gb) < 4 * (num_front + num_side + num_back + num_lfe + num_assoc_data + num_cc)) {
795 int extension_flag,
ret, ep_config, res_flags;
796 uint8_t layout_map[MAX_ELEM_ID*4][3];
813 if (channel_config == 0) {
815 tags =
decode_pce(avctx, m4ac, layout_map, gb);
820 &tags, channel_config)))
826 }
else if (m4ac->
sbr == 1 && m4ac->
ps == -1)
832 if (extension_flag) {
845 "AAC data resilience (flags %x)",
861 "epConfig %d", ep_config);
873 int ret, ep_config, res_flags;
874 uint8_t layout_map[MAX_ELEM_ID*4][3];
876 const int ELDEXT_TERM = 0;
885 "AAC data resilience (flags %x)",
896 while (
get_bits(gb, 4) != ELDEXT_TERM) {
910 &tags, channel_config)))
919 "epConfig %d", ep_config);
946 av_dlog(avctx,
"audio specific config size %d\n", bit_size >> 3);
947 for (i = 0; i < bit_size >> 3; i++)
948 av_dlog(avctx,
"%02x ", data[i]);
955 sync_extension)) < 0)
959 "invalid sampling rate index %d\n",
966 "invalid low delay sampling rate index %d\n",
990 "Audio object type %s%d",
991 m4ac->
sbr == 1 ?
"SBR+" :
"",
997 "AOT %d chan config %d sampling index %d (%d) SBR %d PS %d\n",
1014 union {
unsigned u;
int s; }
v = { previous_val * 1664525
u + 1013904223 };
1037 if (92017 <= rate)
return 0;
1038 else if (75132 <= rate)
return 1;
1039 else if (55426 <= rate)
return 2;
1040 else if (46009 <= rate)
return 3;
1041 else if (37566 <= rate)
return 4;
1042 else if (27713 <= rate)
return 5;
1043 else if (23004 <= rate)
return 6;
1044 else if (18783 <= rate)
return 7;
1045 else if (13856 <= rate)
return 8;
1046 else if (11502 <= rate)
return 9;
1047 else if (9391 <= rate)
return 10;
1058 #define AAC_INIT_VLC_STATIC(num, size) \
1059 INIT_VLC_STATIC(&vlc_spectral[num], 8, ff_aac_spectral_sizes[num], \
1060 ff_aac_spectral_bits[num], sizeof(ff_aac_spectral_bits[num][0]), \
1061 sizeof(ff_aac_spectral_bits[num][0]), \
1062 ff_aac_spectral_codes[num], sizeof(ff_aac_spectral_codes[num][0]), \
1063 sizeof(ff_aac_spectral_codes[num][0]), \
1088 uint8_t layout_map[MAX_ELEM_ID*4][3];
1089 int layout_map_tags;
1203 "Invalid Predictor Reset Group.\n");
1247 "AAC LD is only defined for ONLY_LONG_SEQUENCE but "
1260 for (i = 0; i < 7; i++) {
1305 "Prediction is not allowed in AAC-LC.\n");
1310 "LTP in ER AAC LD not yet implemented.\n");
1321 "Number of scalefactor bands in group (%d) "
1322 "exceeds limit (%d).\n",
1349 while (k < ics->max_sfb) {
1352 int sect_band_type =
get_bits(gb, 4);
1353 if (sect_band_type == 12) {
1358 sect_len_incr =
get_bits(gb, bits);
1359 sect_end += sect_len_incr;
1364 if (sect_end > ics->
max_sfb) {
1366 "Number of bands (%d) exceeds limit (%d).\n",
1370 }
while (sect_len_incr == (1 << bits) - 1);
1371 for (; k < sect_end; k++) {
1372 band_type [idx] = sect_band_type;
1373 band_type_run_end[idx++] = sect_end;
1391 unsigned int global_gain,
1394 int band_type_run_end[120])
1397 int offset[3] = { global_gain, global_gain - 90, 0 };
1401 for (i = 0; i < ics->
max_sfb;) {
1402 int run_end = band_type_run_end[idx];
1403 if (band_type[idx] ==
ZERO_BT) {
1404 for (; i < run_end; i++, idx++)
1408 for (; i < run_end; i++, idx++) {
1409 offset[2] +=
get_vlc2(gb, vlc_scalefactors.
table, 7, 3) - 60;
1410 clipped_offset = av_clip(offset[2], -155, 100);
1411 if (offset[2] != clipped_offset) {
1413 "If you heard an audible artifact, there may be a bug in the decoder. "
1414 "Clipped intensity stereo position (%d -> %d)",
1415 offset[2], clipped_offset);
1419 }
else if (band_type[idx] ==
NOISE_BT) {
1420 for (; i < run_end; i++, idx++) {
1421 if (noise_flag-- > 0)
1422 offset[1] +=
get_bits(gb, 9) - 256;
1424 offset[1] +=
get_vlc2(gb, vlc_scalefactors.
table, 7, 3) - 60;
1425 clipped_offset = av_clip(offset[1], -100, 155);
1426 if (offset[1] != clipped_offset) {
1428 "If you heard an audible artifact, there may be a bug in the decoder. "
1429 "Clipped noise gain (%d -> %d)",
1430 offset[1], clipped_offset);
1435 for (; i < run_end; i++, idx++) {
1436 offset[0] +=
get_vlc2(gb, vlc_scalefactors.
table, 7, 3) - 60;
1437 if (offset[0] > 255
U) {
1439 "Scalefactor (%d) out of range.\n", offset[0]);
1454 const uint16_t *swb_offset,
int num_swb)
1459 if (pulse_swb >= num_swb)
1461 pulse->
pos[0] = swb_offset[pulse_swb];
1463 if (pulse->
pos[0] >= swb_offset[num_swb])
1466 for (i = 1; i < pulse->
num_pulse; i++) {
1468 if (pulse->
pos[i] >= swb_offset[num_swb])
1483 int w,
filt, i, coef_len, coef_res, coef_compress;
1490 for (filt = 0; filt < tns->
n_filt[w]; filt++) {
1494 if ((tns->
order[w][filt] =
get_bits(gb, 5 - 2 * is8)) > tns_max_order) {
1496 "TNS filter order %d is greater than maximum %d.\n",
1497 tns->
order[w][filt], tns_max_order);
1501 if (tns->
order[w][filt]) {
1504 coef_len = coef_res + 3 - coef_compress;
1505 tmp2_idx = 2 * coef_compress + coef_res;
1507 for (i = 0; i < tns->
order[w][
filt]; i++)
1528 if (ms_present == 1) {
1529 for (idx = 0; idx < max_idx; idx++)
1531 }
else if (ms_present == 2) {
1537 static inline float *
VMUL2(
float *dst,
const float *
v,
unsigned idx,
1541 *dst++ = v[idx & 15] *
s;
1542 *dst++ = v[idx>>4 & 15] *
s;
1548 static inline float *
VMUL4(
float *dst,
const float *
v,
unsigned idx,
1552 *dst++ = v[idx & 3] *
s;
1553 *dst++ = v[idx>>2 & 3] *
s;
1554 *dst++ = v[idx>>4 & 3] *
s;
1555 *dst++ = v[idx>>6 & 3] *
s;
1561 static inline float *
VMUL2S(
float *dst,
const float *
v,
unsigned idx,
1562 unsigned sign,
const float *scale)
1566 s0.
f = s1.
f = *scale;
1567 s0.
i ^= sign >> 1 << 31;
1570 *dst++ = v[idx & 15] * s0.
f;
1571 *dst++ = v[idx>>4 & 15] * s1.
f;
1578 static inline float *
VMUL4S(
float *dst,
const float *
v,
unsigned idx,
1579 unsigned sign,
const float *scale)
1581 unsigned nz = idx >> 12;
1585 t.
i = s.
i ^ (sign & 1
U<<31);
1586 *dst++ = v[idx & 3] * t.
f;
1588 sign <<= nz & 1; nz >>= 1;
1589 t.
i = s.
i ^ (sign & 1
U<<31);
1590 *dst++ = v[idx>>2 & 3] * t.
f;
1592 sign <<= nz & 1; nz >>= 1;
1593 t.
i = s.
i ^ (sign & 1
U<<31);
1594 *dst++ = v[idx>>4 & 3] * t.
f;
1597 t.
i = s.
i ^ (sign & 1
U<<31);
1598 *dst++ = v[idx>>6 & 3] * t.
f;
1618 int pulse_present,
const Pulse *pulse,
1622 int i, k,
g, idx = 0;
1625 float *coef_base = coef;
1628 memset(coef + g * 128 + offsets[ics->
max_sfb], 0,
1629 sizeof(
float) * (c - offsets[ics->
max_sfb]));
1634 for (i = 0; i < ics->
max_sfb; i++, idx++) {
1635 const unsigned cbt_m1 = band_type[idx] - 1;
1636 float *cfo = coef + offsets[
i];
1637 int off_len = offsets[i + 1] - offsets[
i];
1641 for (group = 0; group < g_len; group++, cfo+=128) {
1642 memset(cfo, 0, off_len *
sizeof(
float));
1644 }
else if (cbt_m1 ==
NOISE_BT - 1) {
1645 for (group = 0; group < g_len; group++, cfo+=128) {
1649 for (k = 0; k < off_len; k++) {
1655 scale = sf[idx] / sqrtf(band_energy);
1664 switch (cbt_m1 >> 1) {
1666 for (group = 0; group < g_len; group++, cfo+=128) {
1676 cb_idx = cb_vector_idx[code];
1677 cf =
VMUL4(cf, vq, cb_idx, sf + idx);
1683 for (group = 0; group < g_len; group++, cfo+=128) {
1695 cb_idx = cb_vector_idx[code];
1696 nnz = cb_idx >> 8 & 15;
1699 cf =
VMUL4S(cf, vq, cb_idx, bits, sf + idx);
1705 for (group = 0; group < g_len; group++, cfo+=128) {
1715 cb_idx = cb_vector_idx[code];
1716 cf =
VMUL2(cf, vq, cb_idx, sf + idx);
1723 for (group = 0; group < g_len; group++, cfo+=128) {
1735 cb_idx = cb_vector_idx[code];
1736 nnz = cb_idx >> 8 & 15;
1737 sign = nnz ?
SHOW_UBITS(
re, gb, nnz) << (cb_idx >> 12) : 0;
1739 cf =
VMUL2S(cf, vq, cb_idx, sign, sf + idx);
1745 for (group = 0; group < g_len; group++, cfo+=128) {
1747 uint32_t *icf = (uint32_t *) cf;
1766 cb_idx = cb_vector_idx[code];
1772 for (j = 0; j < 2; j++) {
1794 unsigned v = ((
const uint32_t*)vq)[cb_idx & 15];
1795 *icf++ = (bits & 1
U<<31) | v;
1812 if (pulse_present) {
1814 for (i = 0; i < pulse->
num_pulse; i++) {
1815 float co = coef_base[ pulse->
pos[
i] ];
1816 while (offsets[idx + 1] <= pulse->
pos[i])
1818 if (band_type[idx] !=
NOISE_BT && sf[idx]) {
1819 float ico = -pulse->
amp[
i];
1822 ico = co / sqrtf(sqrtf(fabsf(co))) + (co > 0 ? -ico : ico);
1824 coef_base[ pulse->
pos[
i] ] =
cbrtf(fabsf(ico)) * ico * sf[idx];
1835 tmp.
i = (tmp.
i + 0x00008000
U) & 0xFFFF0000U;
1843 tmp.
i = (tmp.
i + 0x00007FFF
U + (tmp.
i & 0x00010000
U >> 16)) & 0xFFFF0000
U;
1851 pun.
i &= 0xFFFF0000
U;
1858 const float a = 0.953125;
1859 const float alpha = 0.90625;
1863 float r0 = ps->
r0, r1 = ps->
r1;
1864 float cor0 = ps->
cor0, cor1 = ps->
cor1;
1865 float var0 = ps->
var0, var1 = ps->
var1;
1867 k1 = var0 > 1 ? cor0 *
flt16_even(a / var0) : 0;
1868 k2 = var1 > 1 ? cor1 *
flt16_even(a / var1) : 0;
1903 k < sce->ics.swb_offset[sfb + 1];
1932 int global_gain, eld_syntax, er_syntax, pulse_present = 0;
1948 if (!common_window && !scale_flag) {
1962 if (!eld_syntax && (pulse_present =
get_bits1(gb))) {
1965 "Pulse tool not allowed in eight short sequence.\n");
1970 "Pulse data corrupt or invalid.\n");
1975 if (tns->
present && !er_syntax)
1984 if (tns->
present && er_syntax)
2007 int g,
i, group, idx = 0;
2010 for (i = 0; i < ics->
max_sfb; i++, idx++) {
2014 for (group = 0; group < ics->
group_len[
g]; group++) {
2016 ch1 + group * 128 + offsets[i],
2017 offsets[i+1] - offsets[i]);
2040 int g, group,
i, idx = 0;
2044 for (i = 0; i < ics->
max_sfb;) {
2048 for (; i < bt_run_end; i++, idx++) {
2049 c = -1 + 2 * (sce1->
band_type[idx] - 14);
2051 c *= 1 - 2 * cpe->
ms_mask[idx];
2052 scale = c * sce1->
sf[idx];
2053 for (group = 0; group < ics->
group_len[
g]; group++)
2055 coef0 + group * 128 + offsets[i],
2057 offsets[i + 1] - offsets[i]);
2061 idx += bt_run_end -
i;
2077 int i,
ret, common_window, ms_present = 0;
2080 common_window = eld_syntax ||
get_bits1(gb);
2081 if (common_window) {
2092 if (ms_present == 3) {
2095 }
else if (ms_present)
2098 if ((ret =
decode_ics(ac, &cpe->
ch[0], gb, common_window, 0)))
2100 if ((ret =
decode_ics(ac, &cpe->
ch[1], gb, common_window, 0)))
2103 if (common_window) {
2117 1.09050773266525765921,
2118 1.18920711500272106672,
2153 scale = cce_scale[
get_bits(gb, 2)];
2158 for (c = 0; c < num_gain; c++) {
2162 float gain_cache = 1.0;
2165 gain = cge ?
get_vlc2(gb, vlc_scalefactors.
table, 7, 3) - 60: 0;
2166 gain_cache =
powf(scale, -gain);
2169 coup->
gain[
c][0] = gain_cache;
2172 for (sfb = 0; sfb < sce->
ics.
max_sfb; sfb++, idx++) {
2183 gain_cache =
powf(scale, -t) *
s;
2186 coup->
gain[
c][idx] = gain_cache;
2204 int num_excl_chan = 0;
2207 for (i = 0; i < 7; i++)
2211 return num_excl_chan / 7;
2223 int drc_num_bands = 1;
2244 for (i = 0; i < drc_num_bands; i++) {
2257 for (i = 0; i < drc_num_bands; i++) {
2268 int i, major, minor;
2275 for(i=0; i+1<
sizeof(
buf) && len>=8; i++, len-=8)
2282 if (sscanf(buf,
"libfaac %d.%d", &major, &minor) == 2){
2368 for (filt = 0; filt < tns->
n_filt[w]; filt++) {
2380 if ((size = end - start) <= 0)
2392 for (m = 0; m <
size; m++, start += inc)
2393 for (i = 1; i <=
FFMIN(m, order); i++)
2394 coef[start] -= coef[start - i * inc] * lpc[i - 1];
2397 for (m = 0; m <
size; m++, start += inc) {
2398 tmp[0] = coef[
start];
2399 for (i = 1; i <=
FFMIN(m, order); i++)
2400 coef[start] += tmp[i] * lpc[i - 1];
2401 for (i = order; i > 0; i--)
2402 tmp[i] = tmp[i - 1];
2424 memset(in, 0, 448 *
sizeof(
float));
2431 memset(in + 1024 + 576, 0, 448 *
sizeof(
float));
2446 float *predTime = sce->
ret;
2448 int16_t num_samples = 2048;
2450 if (ltp->
lag < 1024)
2451 num_samples = ltp->
lag + 1024;
2452 for (i = 0; i < num_samples; i++)
2454 memset(&predTime[i], 0, (2048 - i) *
sizeof(
float));
2463 for (i = offsets[sfb]; i < offsets[sfb + 1]; i++)
2464 sce->
coeffs[i] += predFreq[i];
2474 float *saved = sce->
saved;
2475 float *saved_ltp = sce->
coeffs;
2481 memcpy(saved_ltp, saved, 512 *
sizeof(
float));
2482 memset(saved_ltp + 576, 0, 448 *
sizeof(
float));
2484 for (i = 0; i < 64; i++)
2485 saved_ltp[i + 512] = ac->
buf_mdct[1023 - i] * swindow[63 - i];
2487 memcpy(saved_ltp, ac->
buf_mdct + 512, 448 *
sizeof(
float));
2488 memset(saved_ltp + 576, 0, 448 *
sizeof(
float));
2490 for (i = 0; i < 64; i++)
2491 saved_ltp[i + 512] = ac->
buf_mdct[1023 - i] * swindow[63 - i];
2494 for (i = 0; i < 512; i++)
2495 saved_ltp[i + 512] = ac->
buf_mdct[1023 - i] * lwindow[511 - i];
2511 float *saved = sce->
saved;
2521 for (i = 0; i < 1024; i += 128)
2536 memcpy( out, saved, 448 *
sizeof(
float));
2544 memcpy( out + 448 + 4*128, temp, 64 *
sizeof(
float));
2547 memcpy( out + 576, buf + 64, 448 *
sizeof(
float));
2553 memcpy( saved, temp + 64, 64 *
sizeof(
float));
2557 memcpy( saved + 448, buf + 7*128 + 64, 64 *
sizeof(
float));
2559 memcpy( saved, buf + 512, 448 *
sizeof(
float));
2560 memcpy( saved + 448, buf + 7*128 + 64, 64 *
sizeof(
float));
2562 memcpy( saved, buf + 512, 512 *
sizeof(
float));
2571 float *saved = sce->
saved;
2580 memcpy(out, saved, 192 *
sizeof(
float));
2582 memcpy( out + 320, buf + 64, 192 *
sizeof(
float));
2588 memcpy(saved, buf + 256, 256 *
sizeof(
float));
2595 float *saved = sce->
saved;
2599 const int n2 = n >> 1;
2600 const int n4 = n >> 2;
2609 for (i = 0; i < n2; i+=2) {
2611 temp = in[
i ]; in[
i ] = -in[n - 1 -
i]; in[n - 1 -
i] =
temp;
2612 temp = -in[i + 1]; in[i + 1] = in[n - 2 -
i]; in[n - 2 -
i] =
temp;
2618 for (i = 0; i <
n; i+=2) {
2628 for (i = n4; i < n2; i ++) {
2629 out[i - n4] = buf[n2 - 1 -
i] * window[i - n4] +
2630 saved[ i + n2] * window[i + n - n4] +
2631 -saved[ n + n2 - 1 -
i] * window[i + 2*n - n4] +
2632 -saved[2*n + n2 +
i] * window[i + 3*n - n4];
2634 for (i = 0; i < n2; i ++) {
2635 out[n4 +
i] = buf[
i] * window[i + n2 - n4] +
2636 -saved[ n - 1 -
i] * window[i + n2 + n - n4] +
2637 -saved[ n +
i] * window[i + n2 + 2*n - n4] +
2638 saved[2*n + n - 1 -
i] * window[i + n2 + 3*n - n4];
2640 for (i = 0; i < n4; i ++) {
2641 out[n2 + n4 +
i] = buf[ i + n2] * window[i + n - n4] +
2642 -saved[ n2 - 1 -
i] * window[i + 2*n - n4] +
2643 -saved[ n + n2 +
i] * window[i + 3*n - n4];
2647 memmove(saved + n, saved, 2 * n *
sizeof(
float));
2648 memcpy( saved, buf, n *
sizeof(
float));
2662 float *dest = target->
coeffs;
2664 int g,
i, group, k, idx = 0;
2667 "Dependent coupling is not supported together with LTP\n");
2671 for (i = 0; i < ics->
max_sfb; i++, idx++) {
2674 for (group = 0; group < ics->
group_len[
g]; group++) {
2675 for (k = offsets[i]; k < offsets[i + 1]; k++) {
2677 dest[group * 128 + k] += gain * src[group * 128 + k];
2699 float *dest = target->
ret;
2702 for (i = 0; i <
len; i++)
2703 dest[i] += gain * src[i];
2726 if (coup->
type[c] == type && coup->
id_select[c] == elem_id) {
2728 apply_coupling_method(ac, &cc->
ch[0], cce, index);
2733 apply_coupling_method(ac, &cc->
ch[1], cce, index++);
2758 for (type = 3; type >= 0; type--) {
2805 uint8_t layout_map[MAX_ELEM_ID*4][3];
2806 int layout_map_tags,
ret;
2814 "More than one AAC RDB per ADTS frame");
2837 layout_map_tags = 2;
2838 layout_map[0][0] = layout_map[1][0] =
TYPE_SCE;
2840 layout_map[0][1] = 0;
2841 layout_map[1][1] = 1;
2888 if (chan_config < 0 || chan_config >= 8) {
2896 if (!(che=
get_che(ac, elem_type, elem_id))) {
2898 "channel element %d.%d is not allocated\n",
2899 elem_type, elem_id);
2905 switch (elem_type) {
2937 int samples = 0, multiplier, audio_found = 0, pce_found = 0;
2938 int is_dmono, sce_count = 0;
2970 if (!(che=
get_che(ac, elem_type, elem_id))) {
2972 elem_type, elem_id);
2980 switch (elem_type) {
3007 uint8_t layout_map[MAX_ELEM_ID*4][3];
3017 "Not evaluating a further program_config_element as this construct is dubious at best.\n");
3046 elem_type_prev = elem_type;
3061 samples <<= multiplier;
3072 if (side && side_size>=4)
3076 *got_frame_ptr = !!samples;
3082 *got_frame_ptr = !!samples;
3085 is_dmono = ac->
dmono_mode && sce_count == 2 &&
3101 int *got_frame_ptr,
AVPacket *avpkt)
3105 int buf_size = avpkt->
size;
3110 int new_extradata_size;
3113 &new_extradata_size);
3114 int jp_dualmono_size;
3119 if (new_extradata && 0) {
3126 memcpy(avctx->
extradata, new_extradata, new_extradata_size);
3137 if (jp_dualmono && jp_dualmono_size > 0)
3142 if (INT_MAX / 8 <= buf_size)
3162 for (buf_offset = buf_consumed; buf_offset < buf_size; buf_offset++)
3163 if (buf[buf_offset])
3166 return buf_size > buf_offset ? buf_consumed : buf_size;
3175 for (type = 0; type < 4; type++) {
3176 if (ac->
che[type][i])
3192 #define LOAS_SYNC_WORD 0x2b7
3218 int sync_extension = 0;
3219 int bits_consumed, esize;
3227 if (config_start_bit % 8) {
3229 "Non-byte-aligned audio-specific config");
3235 gb->
buffer + (config_start_bit / 8),
3236 asclen, sync_extension);
3238 if (bits_consumed < 0)
3252 esize = (bits_consumed+7) / 8;
3267 return bits_consumed;
3276 if (audio_mux_version)
3281 if (audio_mux_version)
3301 if (!audio_mux_version) {
3332 if (audio_mux_version) {
3355 int mux_slot_length = 0;
3358 mux_slot_length += tmp;
3359 }
while (tmp == 255);
3360 return mux_slot_length;
3376 if (!use_same_mux) {
3381 "no decoder config found\n");
3389 }
else if (mux_slot_length_bytes * 8 + 256 <
get_bits_left(gb)) {
3391 "frame length mismatch %d << %d\n",
3401 int *got_frame_ptr,
AVPacket *avpkt)
3416 if (muxlength > avpkt->
size)
3440 "ADTS header detected, probably as result of configuration "
3486 #define AACDEC_FLAGS AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_AUDIO_PARAM
3488 {
"dual_mono_mode",
"Select the channel to decode for dual mono",