diff options
Diffstat (limited to 'libavcodec/ra288.c')
| -rw-r--r-- | libavcodec/ra288.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/libavcodec/ra288.c b/libavcodec/ra288.c index c13d0e633e..d75a5b4550 100644 --- a/libavcodec/ra288.c +++ b/libavcodec/ra288.c @@ -2,20 +2,20 @@ * RealAudio 2.0 (28.8K) * Copyright (c) 2003 the ffmpeg project * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * 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 * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -103,14 +103,14 @@ static void decode(RA288Context *ractx, float gain, int cb_coef) for (i=0; i < 5; i++) buffer[i] = codetable[cb_coef][i] * sumsum; - sum = ff_dot_productf(buffer, buffer, 5) * ((1<<24)/5.); + sum = ff_dot_productf(buffer, buffer, 5); - sum = FFMAX(sum, 1); + sum = FFMAX(sum, 5. / (1<<24)); /* shift and store */ memmove(gain_block, gain_block + 1, 9 * sizeof(*gain_block)); - gain_block[9] = 10 * log10(sum) - 32; + gain_block[9] = 10 * log10(sum) + (10*log10(((1<<24)/5.)) - 32); ff_celp_lp_synthesis_filterf(block, ractx->sp_lpc, buffer, 5, 36); } |