Update bandwidth and opusCanSwitch before generating SILK DTX ToC

Signed-off-by: Jean-Marc Valin <jmvalin@jmvalin.ca>
diff --git a/src/opus_encoder.c b/src/opus_encoder.c
index 79ef3f1..5d95984 100644
--- a/src/opus_encoder.c
+++ b/src/opus_encoder.c
@@ -2070,13 +2070,7 @@
            RESTORE_STACK;
            return OPUS_INTERNAL_ERROR;
         }
-        if (nBytes==0)
-        {
-           st->rangeFinal = 0;
-           data[-1] = gen_toc(st->mode, st->Fs/frame_size, curr_bandwidth, st->stream_channels);
-           RESTORE_STACK;
-           return 1;
-        }
+
         /* Extract SILK internal bandwidth for signaling in first byte */
         if( st->mode == MODE_SILK_ONLY ) {
             if( st->silk_mode.internalSampleRate == 8000 ) {
@@ -2091,6 +2085,15 @@
         }
 
         st->silk_mode.opusCanSwitch = st->silk_mode.switchReady && !st->nonfinal_frame;
+
+        if (nBytes==0)
+        {
+           st->rangeFinal = 0;
+           data[-1] = gen_toc(st->mode, st->Fs/frame_size, curr_bandwidth, st->stream_channels);
+           RESTORE_STACK;
+           return 1;
+        }
+
         /* FIXME: How do we allocate the redundancy for CBR? */
         if (st->silk_mode.opusCanSwitch)
         {
diff --git a/tests/test_opus_encode.c b/tests/test_opus_encode.c
index a743925..e61ecb7 100644
--- a/tests/test_opus_encode.c
+++ b/tests/test_opus_encode.c
@@ -236,12 +236,6 @@
          int frame_size_enum = get_frame_size_enum(frame_size, sampling_rate);
          force_channel = IMIN(force_channel, num_channels);
 
-         /* Todo: remove when a fix is available for coding SILK in DTX mode for >60 ms.
-          * Currently, SILK may internally adjust the bandwidth leading to mismatching
-          * bandwidths within a packet. */
-         if (frame_size_ms_x2 > 120)
-           dtx = 0;
-
          sprintf(debug_info,
                  "fuzz_encoder_settings: %d kHz, %d ch, application: %d, "
                  "%d bps, force ch: %d, vbr: %d, vbr constraint: %d, complexity: %d, "