Changeset 143 for libmpc/branches/r2d/libmpcdec/mpc_decoder.c

Timestamp:

11/17/06 21:04:35 (18 years ago)

Author:

r2d

Message:

• added simple seeking for sv7 and sv8

File:

• libmpc/branches/r2d/libmpcdec/mpc_decoder.c (modified) (2 diffs)

libmpc/branches/r2d/libmpcdec/mpc_decoder.c

@@ -76 +76 @@
 // }
 
+/**
+ * set the scf indexes for seeking use
+ * needed only for sv7 seeking
+ * @param d
+ */
+void mpc_decoder_reset_scf(mpc_decoder * d)
+{
+        memset(d->SCF_Index_L, 1, sizeof d->SCF_Index_L );
+        memset(d->SCF_Index_R, 1, sizeof d->SCF_Index_R );
+}
+
+
 void mpc_decoder_setup(mpc_decoder *d)
 {
@@ -126 +138 @@
         if (d->decoded_samples >= d->samples && d->samples != 0) {
                 i->samples = 0;
+                i->bits = -1;
                 return;
         }
 
         mpc_decoder_read_bitstream_sv7(d, r);
-        mpc_decoder_requantisierung(d);
-        mpc_decoder_synthese_filter_float(d, i->buffer);
+        if (d->samples_to_skip < MPC_FRAME_LENGTH + MPC_DECODER_SYNTH_DELAY) {
+                mpc_decoder_requantisierung(d);
+                mpc_decoder_synthese_filter_float(d, i->buffer);
+        }
 
         d->decoded_samples += MPC_FRAME_LENGTH;