avcodec/cavsdsp: use av_clip_uint8() for idct
[ffmpeg.git] / libavfilter / af_volume.h
index bd7932e..af46e34 100644 (file)
  * audio volume filter
  */
 
-#ifndef AVFILTER_AF_VOLUME_H
-#define AVFILTER_AF_VOLUME_H
+#ifndef AVFILTER_VOLUME_H
+#define AVFILTER_VOLUME_H
 
 #include "libavutil/common.h"
+#include "libavutil/eval.h"
 #include "libavutil/float_dsp.h"
 #include "libavutil/opt.h"
 #include "libavutil/samplefmt.h"
@@ -35,10 +36,47 @@ 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,
+    REPLAYGAIN_TRACK,
+    REPLAYGAIN_ALBUM,
+};
+
 typedef struct VolumeContext {
     const AVClass *class;
-    AVFloatDSPContext fdsp;
-    enum PrecisionType precision;
+    AVFloatDSPContext *fdsp;
+    int precision;
+    int eval_mode;
+    const char *volume_expr;
+    AVExpr *volume_pexpr;
+    double var_values[VAR_VARS_NB];
+
+    int replaygain;
+    double replaygain_preamp;
+    int    replaygain_noclip;
     double volume;
     int    volume_i;
     int    channels;
@@ -52,4 +90,4 @@ typedef struct VolumeContext {
 
 void ff_volume_init_x86(VolumeContext *vol);
 
-#endif /* AVFILTER_AF_VOLUME_H */
+#endif /* AVFILTER_VOLUME_H */