diff options
author | Vitor Sessak <vitor1001@gmail.com> | 2008-07-26 19:10:17 +0400 |
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committer | Vitor Sessak <vitor1001@gmail.com> | 2008-07-26 19:10:17 +0400 |
commit | 272d258ab91eb98d86e78580eeb9bae161a5692f (patch) | |
tree | f7a16cdd75cff3bdd9e6d40bd67fe0f11649e760 /libavcodec/ra288.c | |
parent | 4a1aa38bdaccf72374937617912d07a3d173dcf1 (diff) |
Rename st{1,2}{a,b} context variables to more meaningful names: {sp,gain}_{rec,hist}
Originally committed as revision 14420 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/ra288.c')
-rw-r--r-- | libavcodec/ra288.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/libavcodec/ra288.c b/libavcodec/ra288.c index 1808e333fb..8819da03a9 100644 --- a/libavcodec/ra288.c +++ b/libavcodec/ra288.c @@ -31,8 +31,18 @@ typedef struct { float pr2[10]; int phase; - float st1a[111], st1b[37], st1[37]; - float st2a[38], st2b[11], st2[11]; + float sp_hist[111]; ///< Speech data history (spec: SB) + + /** Speech part of the gain autocorrelation (spec: REXP) */ + float sp_rec[37]; + + float st1[37]; + float gain_hist[38]; ///< Log-gain history (spec: SBLG) + + /** Recursive part of the gain autocorrelation (spec: REXPLG) */ + float gain_rec[11]; + + float st2[11]; float sb[41]; float lhist[10]; } RA288Context; @@ -193,7 +203,7 @@ static void backward_filter(RA288Context *ractx) memcpy(buffer1 , ractx->output + 20, 20*sizeof(*buffer1)); memcpy(buffer1 + 20, ractx->output , 20*sizeof(*buffer1)); - do_hybrid_window(36, 40, 35, buffer1, temp1, ractx->st1a, ractx->st1b, + do_hybrid_window(36, 40, 35, buffer1, temp1, ractx->sp_hist, ractx->sp_rec, syn_window); if (!eval_lpc_coeffs(temp1, ractx->st1, 36)) @@ -202,7 +212,7 @@ static void backward_filter(RA288Context *ractx) memcpy(buffer2 , ractx->history + 4, 4*sizeof(*buffer2)); memcpy(buffer2 + 4, ractx->history , 4*sizeof(*buffer2)); - do_hybrid_window(10, 8, 20, buffer2, temp2, ractx->st2a, ractx->st2b, + do_hybrid_window(10, 8, 20, buffer2, temp2, ractx->gain_hist, ractx->gain_rec, gain_window); if (!eval_lpc_coeffs(temp2, ractx->st2, 10)) |