@@ -217,11 +217,18 @@ static int config_input(AVFilterLink *inlink)

     return 0;

 }

-static void flush(AVFrame *out, AVFilterLink *outlink,

+static void flush(SilenceRemoveContext *s,

+                  AVFrame *out, AVFilterLink *outlink,

                   int *nb_samples_written, int *ret)

 {

     if (*nb_samples_written) {

         out->nb_samples = *nb_samples_written / outlink->channels;

+

+        out->pts = s->next_pts;

+        s->next_pts += av_rescale_q(out->nb_samples,

+                                    (AVRational){1, outlink->sample_rate},

+                                    outlink->time_base);

+

         *ret = ff_filter_frame(outlink, out);

         *nb_samples_written = 0;

     } else {

@@ -297,6 +304,12 @@ silence_trim_flush:

         memcpy(out->data[0], &s->start_holdoff[s->start_holdoff_offset],

                nbs * sizeof(double));

+

+        out->pts = s->next_pts;

+        s->next_pts += av_rescale_q(out->nb_samples,

+                                    (AVRational){1, outlink->sample_rate},

+                                    outlink->time_base);

+

         s->start_holdoff_offset += nbs;

         ret = ff_filter_frame(outlink, out);

@@ -330,7 +343,7 @@ silence_copy:

                 if (threshold && s->stop_holdoff_end && !s->leave_silence) {

                     s->mode = SILENCE_COPY_FLUSH;

-                    flush(out, outlink, &nb_samples_written, &ret);

+                    flush(s, out, outlink, &nb_samples_written, &ret);

                     goto silence_copy_flush;

                 } else if (threshold) {

                     for (j = 0; j < inlink->channels; j++) {

@@ -358,7 +371,7 @@ silence_copy:

                             if (!s->restart) {

                                 s->mode = SILENCE_STOP;

-                                flush(out, outlink, &nb_samples_written, &ret);

+                                flush(s, out, outlink, &nb_samples_written, &ret);

                                 goto silence_stop;

                             } else {

                                 s->stop_found_periods = 0;

@@ -367,19 +380,25 @@ silence_copy:

                                 s->start_holdoff_end = 0;

                                 clear_window(s);

                                 s->mode = SILENCE_TRIM;

-                                flush(out, outlink, &nb_samples_written, &ret);

+                                flush(s, out, outlink, &nb_samples_written, &ret);

                                 goto silence_trim;

                             }

                         }

                         s->mode = SILENCE_COPY_FLUSH;

-                        flush(out, outlink, &nb_samples_written, &ret);

+                        flush(s, out, outlink, &nb_samples_written, &ret);

                         goto silence_copy_flush;

                     }

                 }

             }

-            flush(out, outlink, &nb_samples_written, &ret);

+            flush(s, out, outlink, &nb_samples_written, &ret);

         } else {

             memcpy(obuf, ibuf, sizeof(double) * nbs * inlink->channels);

+

+            out->pts = s->next_pts;

+            s->next_pts += av_rescale_q(out->nb_samples,

+                                        (AVRational){1, outlink->sample_rate},

+                                        outlink->time_base);

+

             ret = ff_filter_frame(outlink, out);

         }

         break;

@@ -401,6 +420,11 @@ silence_copy_flush:

                nbs * sizeof(double));

         s->stop_holdoff_offset += nbs;

+        out->pts = s->next_pts;

+        s->next_pts += av_rescale_q(out->nb_samples,

+                                    (AVRational){1, outlink->sample_rate},

+                                    outlink->time_base);

+

         ret = ff_filter_frame(outlink, out);

         if (s->stop_holdoff_offset == s->stop_holdoff_end) {

@@ -439,6 +463,12 @@ static int request_frame(AVFilterLink *outlink)

             memcpy(frame->data[0], &s->stop_holdoff[s->stop_holdoff_offset],

                    nbs * sizeof(double));

+

+            frame->pts = s->next_pts;

+            s->next_pts += av_rescale_q(frame->nb_samples,

+                                        (AVRational){1, outlink->sample_rate},

+                                        outlink->time_base);

+

             ret = ff_filter_frame(ctx->inputs[0], frame);

         }

         s->mode = SILENCE_STOP;