[Spice-devel] [spice] gstreamer-encoder: Document get_maximum_frame_size()
Francois Gouget
fgouget at codeweavers.com
Tue May 21 00:31:03 UTC 2019
Signed-off-by: Francois Gouget <fgouget at codeweavers.com>
---
server/gstreamer-encoder.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/server/gstreamer-encoder.c b/server/gstreamer-encoder.c
index bccbe0660..110d12981 100644
--- a/server/gstreamer-encoder.c
+++ b/server/gstreamer-encoder.c
@@ -404,6 +404,13 @@ static uint32_t get_average_frame_size(SpiceGstEncoder *encoder)
return encoder->stat_size_sum / count;
}
+/* Look for the largest frame and store it in stat_size_max to reduce how
+ * often we have to scan the history for the largest frame.
+ * Then all we need to keep things consistent is to:
+ * - Update stat_size_max when adding a larger frame to the history.
+ * - Reset stat_size_max to zero when the largest frame falls out of
+ * the history.
+ */
static uint32_t get_maximum_frame_size(SpiceGstEncoder *encoder)
{
if (encoder->stat_size_max == 0) {
--
2.20.1
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