diff options
Diffstat (limited to 'libavfilter/af_volume.h')
-rw-r--r-- | libavfilter/af_volume.h | 36 |
1 files changed, 32 insertions, 4 deletions
diff --git a/libavfilter/af_volume.h b/libavfilter/af_volume.h index 6bd89ac..e78e042 100644 --- a/libavfilter/af_volume.h +++ b/libavfilter/af_volume.h @@ -1,18 +1,18 @@ /* - * 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 */ @@ -25,6 +25,7 @@ #define AVFILTER_AF_VOLUME_H #include "libavutil/common.h" +#include "libavutil/eval.h" #include "libavutil/float_dsp.h" #include "libavutil/opt.h" #include "libavutil/samplefmt.h" @@ -35,6 +36,28 @@ enum PrecisionType { PRECISION_DOUBLE, }; +enum EvalMode { + EVAL_MODE_ONCE, + EVAL_MODE_FRAME, + EVAL_MODE_NB +}; + +enum VolumeVarName { + VAR_N, + VAR_NB_CHANNELS, + VAR_NB_CONSUMED_SAMPLES, + VAR_NB_SAMPLES, + VAR_POS, + VAR_PTS, + VAR_SAMPLE_RATE, + VAR_STARTPTS, + VAR_STARTT, + VAR_T, + VAR_TB, + VAR_VOLUME, + VAR_VARS_NB +}; + enum ReplayGainType { REPLAYGAIN_DROP, REPLAYGAIN_IGNORE, @@ -46,6 +69,11 @@ typedef struct VolumeContext { const AVClass *class; AVFloatDSPContext fdsp; enum PrecisionType precision; + enum EvalMode eval_mode; + const char *volume_expr; + AVExpr *volume_pexpr; + double var_values[VAR_VARS_NB]; + enum ReplayGainType replaygain; double replaygain_preamp; int replaygain_noclip; |