X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavfilter%2Fvf_telecine.c;h=93e5aa9e44b7e231e1d2e03a996b1a98cb73378f;hb=97a407f696ae212d53b77ab7e37e0be749e3167e;hp=a0f28d4f357f9ee63d2edd91040d8363f19cf8bb;hpb=a2740a060b36f6612043fa3128f4eb6197d0ce13;p=ffmpeg

diff --git a/libavfilter/vf_telecine.c b/libavfilter/vf_telecine.c
index a0f28d4f357..93e5aa9e44b 100644
--- a/libavfilter/vf_telecine.c
+++ b/libavfilter/vf_telecine.c
@@ -38,9 +38,10 @@ typedef struct {
     int first_field;
     char *pattern;
     unsigned int pattern_pos;
+    int64_t start_time;
 
     AVRational pts;
-    double ts_unit;
+    AVRational ts_unit;
     int out_cnt;
     int occupied;
 
@@ -89,6 +90,8 @@ static av_cold int init(AVFilterContext *ctx)
         s->pts.den += *p - '0';
     }
 
+    s->start_time = AV_NOPTS_VALUE;
+
     s->out_cnt = (max + 1) / 2;
     av_log(ctx, AV_LOG_INFO, "Telecine pattern %s yields up to %d frames per frame, pts advance factor: %d/%d\n",
            s->pattern, s->out_cnt, s->pts.num, s->pts.den);
@@ -161,7 +164,7 @@ static int config_output(AVFilterLink *outlink)
     av_log(ctx, AV_LOG_VERBOSE, "TB: %d/%d -> %d/%d\n",
            inlink->time_base.num, inlink->time_base.den, outlink->time_base.num, outlink->time_base.den);
 
-    s->ts_unit = av_q2d(av_inv_q(av_mul_q(fps, outlink->time_base)));
+    s->ts_unit = av_inv_q(av_mul_q(fps, outlink->time_base));
 
     return 0;
 }
@@ -173,6 +176,9 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref)
     TelecineContext *s = ctx->priv;
     int i, len, ret = 0, nout = 0;
 
+    if (s->start_time == AV_NOPTS_VALUE)
+        s->start_time = inpicref->pts;
+
     len = s->pattern[s->pattern_pos] - '0';
 
     s->pattern_pos++;
@@ -235,7 +241,10 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref)
             return AVERROR(ENOMEM);
         }
 
-        frame->pts = outlink->frame_count * s->ts_unit;
+        av_frame_copy_props(frame, inpicref);
+        frame->pts = ((s->start_time == AV_NOPTS_VALUE) ? 0 : s->start_time) +
+                     av_rescale(outlink->frame_count, s->ts_unit.num,
+                                s->ts_unit.den);
         ret = ff_filter_frame(outlink, frame);
     }
     av_frame_free(&inpicref);