@@ -15,6 +15,9 @@ libavutil:     2015-08-28

 API changes, most recent first:

+2017-09-08 - xxxxxxx - lavfi 6.103.100 - buffersrc.h

+  Add av_buffersrc_close().

+

 2017-09-04 - xxxxxxx - lavc 57.105.100 - avcodec.h

   Add AV_HWACCEL_CODEC_CAP_EXPERIMENTAL, replacing the deprecated

   HWACCEL_CODEC_CAP_EXPERIMENTAL flag.

@@ -196,16 +196,9 @@ static int av_buffersrc_add_frame_internal(AVFilterContext *ctx,

     s->nb_failed_requests = 0;

-    if (!frame) {

-        s->eof = 1;

-        ff_avfilter_link_set_in_status(ctx->outputs[0], AVERROR_EOF, AV_NOPTS_VALUE);

-        if ((flags & AV_BUFFERSRC_FLAG_PUSH)) {

-            ret = push_frame(ctx->graph);

-            if (ret < 0)

-                return ret;

-        }

-        return 0;

-    } else if (s->eof)

+    if (!frame)

+        return av_buffersrc_close(ctx, AV_NOPTS_VALUE, flags);

+    if (s->eof)

         return AVERROR(EINVAL);

     refcounted = !!frame->buf[0];

@@ -267,6 +260,15 @@ static int av_buffersrc_add_frame_internal(AVFilterContext *ctx,

     return 0;

 }

+int av_buffersrc_close(AVFilterContext *ctx, int64_t pts, unsigned flags)

+{

+    BufferSourceContext *s = ctx->priv;

+

+    s->eof = 1;

+    ff_avfilter_link_set_in_status(ctx->outputs[0], AVERROR_EOF, pts);

+    return (flags & AV_BUFFERSRC_FLAG_PUSH) ? push_frame(ctx->graph) : 0;

+}

+

 static av_cold int init_video(AVFilterContext *ctx)

 {

     BufferSourceContext *c = ctx->priv;

@@ -193,6 +193,14 @@ av_warn_unused_result

 int av_buffersrc_add_frame_flags(AVFilterContext *buffer_src,

                                  AVFrame *frame, int flags);

+/**

+ * Close the buffer source after EOF.

+ *

+ * This is similar to passing NULL to av_buffersrc_add_frame_flags()

+ * except it takes the timestamp of the EOF, i.e. the timestamp of the end

+ * of the last frame.

+ */

+int av_buffersrc_close(AVFilterContext *ctx, int64_t pts, unsigned flags);

 /**

  * @}

@@ -30,7 +30,7 @@

 #include "libavutil/version.h"

 #define LIBAVFILTER_VERSION_MAJOR   6

-#define LIBAVFILTER_VERSION_MINOR 102

+#define LIBAVFILTER_VERSION_MINOR 103

 #define LIBAVFILTER_VERSION_MICRO 100

 #define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \