avcodec/jpeg2000dec: Check bpno in decode_cblk()

[ffmpeg] / libavcodec / aacenc_is.c

diff --git a/libavcodec/aacenc_is.c b/libavcodec/aacenc_is.c
index 97be9b34122e94088ad6a17f6f99bd6ed372cf9f..a4b8916197758e42ab62e02d9d3b4c9a8cafcaf1 100644 (file)
--- a/libavcodec/aacenc_is.c
+++ b/libavcodec/aacenc_is.c
@@ -99,18 +99,23 @@ void ff_aac_search_for_is(AACEncContext *s, AVCodecContext *avctx, ChannelElemen
 {
     SingleChannelElement *sce0 = &cpe->ch[0];
     SingleChannelElement *sce1 = &cpe->ch[1];
-    int start = 0, count = 0, w, w2, g, i;
+    int start = 0, count = 0, w, w2, g, i, prev_sf1 = -1;
     const float freq_mult = avctx->sample_rate/(1024.0f/sce0->ics.num_windows)/2.0f;
+    uint8_t nextband1[128];
 
     if (!cpe->common_window)
         return;
 
+    /** Scout out next nonzero bands */
+    ff_init_nextband_map(sce1, nextband1);
+
     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 (start*freq_mult > INT_STEREO_LOW_LIMIT*(s->lambda/170.0f) &&
                 cpe->ch[0].band_type[w*16+g] != NOISE_BT && !cpe->ch[0].zeroes[w*16+g] &&
-                cpe->ch[1].band_type[w*16+g] != NOISE_BT && !cpe->ch[1].zeroes[w*16+g]) {
+                cpe->ch[1].band_type[w*16+g] != NOISE_BT && !cpe->ch[1].zeroes[w*16+g] &&
+                ff_sfdelta_can_remove_band(sce1, nextband1, prev_sf1, w*16+g)) {
                 float ener0 = 0.0f, ener1 = 0.0f, ener01 = 0.0f, ener01p = 0.0f;
                 struct AACISError ph_err1, ph_err2, *erf;
                 if (sce0->band_type[w*16+g] == NOISE_BT ||
@@ -142,6 +147,8 @@ void ff_aac_search_for_is(AACEncContext *s, AVCodecContext *avctx, ChannelElemen
                     count++;
                 }
             }
+            if (!sce1->zeroes[w*16+g] && sce1->band_type[w*16+g] < RESERVED_BT)
+                prev_sf1 = sce1->sf_idx[w*16+g];
             start += sce0->ics.swb_sizes[g];
         }
     }