Merge commit 'b2212dec'

* commit 'b2212dec':
  aac: Fix TNS decoding for the 512 sample window family.

also temporarily disable fate-aac-er_ad6000np_44_ep0 as this commit
causes a mismatch with the reference pcm file
The test will be reenabled after all fixes and with a new pcm reference
Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/aacdec.c

@@ -1246,13 +1246,14 @@ static int decode_ics_info(AACContext *ac, IndividualChannelStream *ics,
         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];
+            ics->tns_max_bands     =  ff_tns_max_bands_512[ac->oc[1].m4ac.sampling_index];
             if (!ics->num_swb || !ics->swb_offset)
                 return AVERROR_BUG;
         } else {
             ics->swb_offset        =    ff_swb_offset_1024[ac->oc[1].m4ac.sampling_index];
             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->tns_max_bands         = ff_tns_max_bands_1024[ac->oc[1].m4ac.sampling_index];
         if (aot != AOT_ER_AAC_ELD) {
             ics->predictor_present     = get_bits1(gb);
             ics->predictor_reset_group = 0;

libavcodec/aactab.c

@@ -1237,6 +1237,10 @@ const uint8_t ff_tns_max_bands_1024[] = {
     31, 31, 34, 40, 42, 51, 46, 46, 42, 42, 42, 39, 39
 };
 
+const uint8_t ff_tns_max_bands_512[] = {
+    0, 0, 0, 31, 32, 37, 31, 31, 0, 0, 0, 0, 0
+};
+
 const uint8_t ff_tns_max_bands_128[] = {
     9, 9, 10, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14
 };

libavcodec/aactab.h

@@ -76,6 +76,7 @@ extern const uint16_t * const ff_swb_offset_512 [13];
 extern const uint16_t * const ff_swb_offset_128 [13];
 
 extern const uint8_t ff_tns_max_bands_1024[13];
+extern const uint8_t ff_tns_max_bands_512 [13];
 extern const uint8_t ff_tns_max_bands_128 [13];
 
 #endif /* AVCODEC_AACTAB_H */

tests/fate/aac.mak

@@ -54,7 +54,7 @@ FATE_AAC += fate-aac-ap05_48
 fate-aac-ap05_48: CMD = pcm -i $(TARGET_SAMPLES)/aac/ap05_48.mp4
 fate-aac-ap05_48: REF = $(SAMPLES)/aac/ap05_48.s16
 
-FATE_AAC += fate-aac-er_ad6000np_44_ep0
+#FATE_AAC += fate-aac-er_ad6000np_44_ep0
 fate-aac-er_ad6000np_44_ep0: CMD = pcm -i $(TARGET_SAMPLES)/aac/er_ad6000np_44_ep0.mp4
 fate-aac-er_ad6000np_44_ep0: REF = $(SAMPLES)/aac/er_ad6000np_44_ep0.s16