diff options
Diffstat (limited to 'libavcodec/imc.c')
| -rw-r--r-- | libavcodec/imc.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/libavcodec/imc.c b/libavcodec/imc.c index 8e6b5bfb31..d12c7551e9 100644 --- a/libavcodec/imc.c +++ b/libavcodec/imc.c @@ -4,20 +4,20 @@ * Copyright (c) 2006 Benjamin Larsson * Copyright (c) 2006 Konstantin Shishkov * - * 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 */ @@ -40,6 +40,7 @@ #include "dsputil.h" #include "fft.h" #include "libavutil/audioconvert.h" +#include "libavutil/libm.h" #include "sinewin.h" #include "imcdata.h" @@ -341,7 +342,7 @@ static void imc_decode_level_coefficients(IMCContext *q, int *levlCoeffBuf, float tmp, tmp2; // maybe some frequency division thingy - flcoeffs1[0] = 20000.0 / pow (2, levlCoeffBuf[0] * 0.18945); // 0.18945 = log2(10) * 0.05703125 + flcoeffs1[0] = 20000.0 / exp2 (levlCoeffBuf[0] * 0.18945); // 0.18945 = log2(10) * 0.05703125 flcoeffs2[0] = log2f(flcoeffs1[0]); tmp = flcoeffs1[0]; tmp2 = flcoeffs2[0]; @@ -984,7 +985,7 @@ static av_cold int imc_decode_close(AVCodecContext * avctx) return 0; } - +#if CONFIG_IMC_DECODER AVCodec ff_imc_decoder = { .name = "imc", .type = AVMEDIA_TYPE_AUDIO, @@ -996,7 +997,8 @@ AVCodec ff_imc_decoder = { .capabilities = CODEC_CAP_DR1, .long_name = NULL_IF_CONFIG_SMALL("IMC (Intel Music Coder)"), }; - +#endif +#if CONFIG_IAC_DECODER AVCodec ff_iac_decoder = { .name = "iac", .type = AVMEDIA_TYPE_AUDIO, @@ -1008,3 +1010,4 @@ AVCodec ff_iac_decoder = { .capabilities = CODEC_CAP_DR1, .long_name = NULL_IF_CONFIG_SMALL("IAC (Indeo Audio Coder)"), }; +#endif |