ffmpeg source update for sep 09

source/patched-ffmpeg-mt/libavcodec/lsp.h

 /*
  * LSP computing for ACELP-based codecs
  *
  * Copyright (c) 2008 Vladimir Voroshilov
  *
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
@@ skipping 45 matching lines @@
  * \brief Convert LSF to LSP
  * \param[out] lsp LSP coefficients (-0x8000 <= (0.15) < 0x8000)
  * \param lsf normalized LSF coefficients (0 <= (2.13) < 0x2000 * PI)
  * \param lp_order LP filter order
  *
  * \remark It is safe to pass the same array into the lsf and lsp parameters.
  */
 void ff_acelp_lsf2lsp(int16_t *lsp, const int16_t *lsf, int lp_order);
 
 /**
+ * Floating point version of ff_acelp_lsf2lsp()
+ */
+void ff_acelp_lsf2lspd(double *lsp, const float *lsf, int lp_order);
+
+/**
  * \brief LSP to LP conversion (3.2.6 of G.729)
  * \param[out] lp decoded LP coefficients (-0x8000 <= (3.12) < 0x8000)
  * \param lsp LSP coefficients (-0x8000 <= (0.15) < 0x8000)
  * \param lp_half_order LP filter order, divided by 2
  */
 void ff_acelp_lsp2lpc(int16_t* lp, const int16_t* lsp, int lp_half_order);
 
 /**
+ * LSP to LP conversion (5.2.4 of AMR-WB)
+ */
+void ff_amrwb_lsp2lpc(const double *lsp, float *lp, int lp_order);
+
+/**
  * \brief Interpolate LSP for the first subframe and convert LSP -> LP for both subframes (3.2.5 and 3.2.6 of G.729)
  * \param[out] lp_1st decoded LP coefficients for first subframe  (-0x8000 <= (3.12) < 0x8000)
  * \param[out] lp_2nd decoded LP coefficients for second subframe (-0x8000 <= (3.12) < 0x8000)
  * \param lsp_2nd LSP coefficients of the second subframe (-0x8000 <= (0.15) < 0x8000)
  * \param lsp_prev LSP coefficients from the second subframe of the previous frame (-0x8000 <= (0.15) < 0x8000)
  * \param lp_order LP filter order
  */
 void ff_acelp_lp_decode(int16_t* lp_1st, int16_t* lp_2nd, const int16_t* lsp_2nd, const int16_t* lsp_prev, int lp_order);
 
 
@@ skipping 27 matching lines @@
  * We only need to calculate the 6 first elements of the polynomial.
  *
  * @param lsp line spectral pairs in cosine domain
  * @param[out] f polynomial input/output as a vector
  *
  * TIA/EIA/IS-733 2.4.3.3.5-1/2
  */
 void ff_lsp2polyf(const double *lsp, double *f, int lp_half_order);
 
 #endif /* AVCODEC_LSP_H */