@@ -35,7 +35,8 @@ version <next>:

   the vid.stab library

 - astats filter

 - trim and atrim filters

-- ffmpeg -t option is now sample-accurate when transcoding audio

+- ffmpeg -t and -ss (output-only) options are now sample-accurate when

+  transcoding audio

 version 1.2:

@@ -1059,11 +1059,6 @@ static int reap_filters(void)

                                     av_rescale_q(of->start_time,

                                                 AV_TIME_BASE_Q,

                                                 ost->st->codec->time_base);

-

-                if (of->start_time && filtered_frame->pts < 0) {

-                    av_frame_unref(filtered_frame);

-                    continue;

-                }

             }

             //if (ost->source_index >= 0)

             //    *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold

@@ -286,10 +286,12 @@ static int insert_trim(OutputStream *ost, AVFilterContext **last_filter, int *pa

     char filter_name[128];

     int ret = 0;

-    if (of->recording_time == INT64_MAX)

+    if (of->recording_time == INT64_MAX && !of->start_time)

         return 0;

-    return 0;

+    // Use with duration and without output starttime is buggy with trim filters

+    if (!of->start_time)

+        return 0;

     trim = avfilter_get_by_name(name);

     if (!trim) {

@@ -304,8 +306,14 @@ static int insert_trim(OutputStream *ost, AVFilterContext **last_filter, int *pa

     if (!ctx)

         return AVERROR(ENOMEM);

-    ret = av_opt_set_double(ctx, "duration", (double)of->recording_time / 1e6,

-                            AV_OPT_SEARCH_CHILDREN);

+    if (of->recording_time != INT64_MAX) {

+        ret = av_opt_set_double(ctx, "duration", (double)of->recording_time / 1e6,

+                                AV_OPT_SEARCH_CHILDREN);

+    }

+    if (ret >= 0 && of->start_time) {

+        ret = av_opt_set_double(ctx, "start", (double)of->start_time / 1e6,

+                                AV_OPT_SEARCH_CHILDREN);

+    }

     if (ret < 0) {

         av_log(ctx, AV_LOG_ERROR, "Error configuring the %s filter", name);

         return ret;