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-rw-r--r--libavcodec/lsp.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/lsp.h b/libavcodec/lsp.h
index 5ee5c277bc..2c22058062 100644
--- a/libavcodec/lsp.h
+++ b/libavcodec/lsp.h
@@ -63,6 +63,11 @@ void ff_set_min_dist_lsf(float *lsf, double min_spacing, int size);
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)