ffmpeg: set the video filters timebase to the demuxers.
[ffmpeg.git] / libavfilter / vf_setpts.c
index 31fa1ef..57b97bb 100644 (file)
 /* #define DEBUG */
 
 #include "libavutil/eval.h"
+#include "libavutil/mathematics.h"
 #include "avfilter.h"
 
-static const char *var_names[] = {
-    "E",           ///< Euler number
+static const char *const var_names[] = {
     "INTERLACED",  ///< tell if the current frame is interlaced
     "N",           ///< frame number (starting at zero)
-    "PHI",         ///< golden ratio
-    "PI",          ///< greek pi
     "POS",         ///< original position in the file of the frame
     "PREV_INPTS",  ///< previous  input PTS
     "PREV_OUTPTS", ///< previous output PTS
@@ -45,11 +43,8 @@ static const char *var_names[] = {
 };
 
 enum var_name {
-    VAR_E,
     VAR_INTERLACED,
     VAR_N,
-    VAR_PHI,
-    VAR_PI,
     VAR_POS,
     VAR_PREV_INPTS,
     VAR_PREV_OUTPTS,
@@ -75,10 +70,7 @@ static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
         return ret;
     }
 
-    setpts->var_values[VAR_E          ] = M_E;
     setpts->var_values[VAR_N          ] = 0.0;
-    setpts->var_values[VAR_PHI        ] = M_PHI;
-    setpts->var_values[VAR_PI         ] = M_PI;
     setpts->var_values[VAR_PREV_INPTS ] = NAN;
     setpts->var_values[VAR_PREV_OUTPTS] = NAN;
     setpts->var_values[VAR_STARTPTS   ] = NAN;
@@ -145,13 +137,13 @@ AVFilter avfilter_vf_setpts = {
 
     .priv_size = sizeof(SetPTSContext),
 
-    .inputs    = (AVFilterPad[]) {{ .name             = "default",
+    .inputs    = (const AVFilterPad[]) {{ .name       = "default",
                                     .type             = AVMEDIA_TYPE_VIDEO,
                                     .get_video_buffer = avfilter_null_get_video_buffer,
                                     .config_props     = config_input,
                                     .start_frame      = start_frame, },
                                   { .name = NULL }},
-    .outputs   = (AVFilterPad[]) {{ .name             = "default",
+    .outputs   = (const AVFilterPad[]) {{ .name       = "default",
                                     .type             = AVMEDIA_TYPE_VIDEO, },
                                   { .name = NULL}},
 };