From 272d258ab91eb98d86e78580eeb9bae161a5692f Mon Sep 17 00:00:00 2001 From: Vitor Sessak Date: Sat, 26 Jul 2008 15:10:17 +0000 Subject: [PATCH] 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 --- libavcodec/ra288.c | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) diff --git a/libavcodec/ra288.c b/libavcodec/ra288.c index 1808e333f..8819da03a 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)) -- 2.11.0