Index: speex/libspeex/cb_search.h |
=================================================================== |
--- speex/libspeex/cb_search.h (revision 0) |
+++ speex/libspeex/cb_search.h (revision 0) |
@@ -0,0 +1,103 @@ |
+/* Copyright (C) 2002 Jean-Marc Valin & David Rowe */ |
+/** |
+ @file cb_search.h |
+ @brief Overlapped codebook search |
+*/ |
+/* |
+ Redistribution and use in source and binary forms, with or without |
+ modification, are permitted provided that the following conditions |
+ are met: |
+ |
+ - Redistributions of source code must retain the above copyright |
+ notice, this list of conditions and the following disclaimer. |
+ |
+ - Redistributions in binary form must reproduce the above copyright |
+ notice, this list of conditions and the following disclaimer in the |
+ documentation and/or other materials provided with the distribution. |
+ |
+ - Neither the name of the Xiph.org Foundation nor the names of its |
+ contributors may be used to endorse or promote products derived from |
+ this software without specific prior written permission. |
+ |
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
+ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR |
+ CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
+ EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
+ PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
+ PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
+ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
+ NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
+*/ |
+ |
+#ifndef CB_SEARCH_H |
+#define CB_SEARCH_H |
+ |
+#include <speex/speex_bits.h> |
+#include "arch.h" |
+ |
+/** Split codebook parameters. */ |
+typedef struct split_cb_params { |
+ int subvect_size; |
+ int nb_subvect; |
+ const signed char *shape_cb; |
+ int shape_bits; |
+ int have_sign; |
+} split_cb_params; |
+ |
+ |
+void split_cb_search_shape_sign( |
+spx_word16_t target[], /* target vector */ |
+spx_coef_t ak[], /* LPCs for this subframe */ |
+spx_coef_t awk1[], /* Weighted LPCs for this subframe */ |
+spx_coef_t awk2[], /* Weighted LPCs for this subframe */ |
+const void *par, /* Codebook/search parameters */ |
+int p, /* number of LPC coeffs */ |
+int nsf, /* number of samples in subframe */ |
+spx_sig_t *exc, |
+spx_word16_t *r, |
+SpeexBits *bits, |
+char *stack, |
+int complexity, |
+int update_target |
+); |
+ |
+void split_cb_shape_sign_unquant( |
+spx_sig_t *exc, |
+const void *par, /* non-overlapping codebook */ |
+int nsf, /* number of samples in subframe */ |
+SpeexBits *bits, |
+char *stack, |
+spx_int32_t *seed |
+); |
+ |
+ |
+void noise_codebook_quant( |
+spx_word16_t target[], /* target vector */ |
+spx_coef_t ak[], /* LPCs for this subframe */ |
+spx_coef_t awk1[], /* Weighted LPCs for this subframe */ |
+spx_coef_t awk2[], /* Weighted LPCs for this subframe */ |
+const void *par, /* Codebook/search parameters */ |
+int p, /* number of LPC coeffs */ |
+int nsf, /* number of samples in subframe */ |
+spx_sig_t *exc, |
+spx_word16_t *r, |
+SpeexBits *bits, |
+char *stack, |
+int complexity, |
+int update_target |
+); |
+ |
+ |
+void noise_codebook_unquant( |
+spx_sig_t *exc, |
+const void *par, /* non-overlapping codebook */ |
+int nsf, /* number of samples in subframe */ |
+SpeexBits *bits, |
+char *stack, |
+spx_int32_t *seed |
+); |
+ |
+#endif |
Property changes on: speex/libspeex/cb_search.h |
___________________________________________________________________ |
Name: svn:executable |
+ * |