[FFmpeg-cvslog] vf_fps: fix permissions.

[Nicolas George]

ffmpeg | branch: master | Nicolas George <nicolas.george at normalesup.org> | Tue Aug 14 18:45:00 2012 +0200| [3bc644e044f27ea2fbb66d24f713440260cc417e] | committer: Nicolas George

vf_fps: fix permissions.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3bc644e044f27ea2fbb66d24f713440260cc417e
---

 libavfilter/vf_fps.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libavfilter/vf_fps.c b/libavfilter/vf_fps.c
index 86e173b..25d7242 100644
--- a/libavfilter/vf_fps.c
+++ b/libavfilter/vf_fps.c
@@ -231,7 +231,7 @@ static int end_frame(AVFilterLink *inlink)
 
         /* duplicate the frame if needed */
         if (!av_fifo_size(s->fifo) && i < delta - 1) {
-            AVFilterBufferRef *dup = avfilter_ref_buffer(buf_out, AV_PERM_READ);
+            AVFilterBufferRef *dup = avfilter_ref_buffer(buf_out, ~0);
 
             av_log(ctx, AV_LOG_DEBUG, "Duplicating frame.\n");
             if (dup)
@@ -289,12 +289,14 @@ AVFilter avfilter_vf_fps = {
 
     .inputs    = (const AVFilterPad[]) {{ .name            = "default",
                                           .type            = AVMEDIA_TYPE_VIDEO,
+                                          .min_perms       = AV_PERM_READ | AV_PERM_PRESERVE,
                                           .start_frame     = null_start_frame,
                                           .draw_slice      = null_draw_slice,
                                           .end_frame       = end_frame, },
                                         { .name = NULL}},
     .outputs   = (const AVFilterPad[]) {{ .name            = "default",
                                           .type            = AVMEDIA_TYPE_VIDEO,
+                                          .rej_perms       = AV_PERM_WRITE,
                                           .request_frame   = request_frame,
                                           .config_props    = config_props},
                                         { .name = NULL}},