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| author | Patrik Kullman <patrik@yes.nu> | 2009-02-13 22:01:46 +0000 |
|---|---|---|
| committer | Justin Ruggles <justin.ruggles@gmail.com> | 2009-02-13 22:01:46 +0000 |
| commit | 83f63ffb2216a8c0271adac4fadb318b96452685 (patch) | |
| tree | ddb32991924a074c4459eb731dfa01baf621dc5f /libavcodec/lpc.c | |
| parent | 3c90870a2fbe756050dd1e78974a4638a4b16037 (diff) | |
| download | ffmpeg-83f63ffb2216a8c0271adac4fadb318b96452685.tar.gz | |
lpc: Document the use_lpc parameter to ff_lpc_calc_coefs().
Patch by Patrik Kullman (patrik A yes D nu).
Originally committed as revision 17216 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/lpc.c')
| -rw-r--r-- | libavcodec/lpc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/lpc.c b/libavcodec/lpc.c index dd145ca875..7f951b44a1 100644 --- a/libavcodec/lpc.c +++ b/libavcodec/lpc.c @@ -94,6 +94,11 @@ static int estimate_best_order(double *ref, int min_order, int max_order) /** * Calculate LPC coefficients for multiple orders + * + * @param use_lpc LPC method for determining coefficients + * 0 = LPC with fixed pre-defined coeffs + * 1 = LPC with coeffs determined by Levinson-Durbin recursion + * 2+ = LPC with coeffs determined by Cholesky factorization using (use_lpc-1) passes. */ int ff_lpc_calc_coefs(DSPContext *s, const int32_t *samples, int blocksize, int min_order, |