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waylandsink: Rollback video info changes when copying

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We change the video info base on the received buffer. We need to
rollback these changes whenever we want to copy into our internal
pool of buffers.

https://bugzilla.gnome.org/show_bug.cgi?id=790057
This commit is contained in:
Nicolas Dufresne 2017-11-22 22:27:04 -05:00
parent 1a7363e023
commit 2db81d6597
1 changed files with 5 additions and 0 deletions
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5
ext/wayland/gstwaylandsink.c
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@ -631,6 +631,7 @@ gst_wayland_sink_show_frame (GstVideoSink * vsink, GstBuffer * buffer)
GstWlBuffer *wlbuffer;
GstVideoMeta *vmeta;
GstVideoFormat format;
GstVideoInfo old_vinfo;
GstMemory *mem;
struct wl_buffer *wbuf = NULL;
@ -676,6 +677,7 @@ gst_wayland_sink_show_frame (GstVideoSink * vsink, GstBuffer * buffer)
/* update video info from video meta */
mem = gst_buffer_peek_memory (buffer, 0);
old_vinfo = sink->video_info;
vmeta = gst_buffer_get_video_meta (buffer);
if (vmeta) {
gint i;
@ -713,6 +715,9 @@ gst_wayland_sink_show_frame (GstVideoSink * vsink, GstBuffer * buffer)
GstVideoFrame src, dst;
GstVideoInfo src_info = sink->video_info;
/* rollback video info changes */
sink->video_info = old_vinfo;
/* we don't know how to create a wl_buffer directly from the provided
* memory, so we have to copy the data to shm memory that we know how
* to handle... */