avfilter: Constify all AVFilters

[ffmpeg] / libavfilter / af_volume.c

diff --git a/libavfilter/af_volume.c b/libavfilter/af_volume.c
index 213c57195a4640da1de784239835264c12542092..844ddbeff73945c2b7902da2429235be52cf67fe 100644 (file)
--- a/libavfilter/af_volume.c
+++ b/libavfilter/af_volume.c
@@ -335,10 +335,6 @@ static int process_command(AVFilterContext *ctx, const char *cmd, const char *ar
     return ret;
 }
 
-#define D2TS(d)  (isnan(d) ? AV_NOPTS_VALUE : (int64_t)(d))
-#define TS2D(ts) ((ts) == AV_NOPTS_VALUE ? NAN : (double)(ts))
-#define TS2T(ts, tb) ((ts) == AV_NOPTS_VALUE ? NAN : (double)(ts)*av_q2d(tb))
-
 static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
 {
     AVFilterContext *ctx = inlink->dst;
@@ -481,7 +477,7 @@ static const AVFilterPad avfilter_af_volume_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_volume = {
+const AVFilter ff_af_volume = {
     .name           = "volume",
     .description    = NULL_IF_CONFIG_SMALL("Change input volume."),
     .query_formats  = query_formats,