@@ -14,7 +14,8 @@ version 10:

 - JPEG 2000 decoder

 - new asetpts filter (same as setpts, but for audio)

 - new trim and atrim filters

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

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

+  transcoding audio

 version 9:

@@ -681,11 +681,6 @@ static int poll_filter(OutputStream *ost)

                               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);

-            return 0;

-        }

     }

     switch (ost->filter->filter->inputs[0]->type) {

@@ -183,7 +183,7 @@ 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;

     trim = avfilter_get_by_name(name);

@@ -199,8 +199,14 @@ 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;