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xvimagesink: Delay pool creation until it's needed.

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Buffer pool is created every time setcaps() is called, but it's
required only when upstream doesn't use it, so it's only needed to
copy frames onto XV buffers.

This patch delay the creation of the buffer pool until it's frame copy
is required.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/1088>
This commit is contained in:
Víctor Manuel Jáquez Leal 2021-04-01 15:30:41 +02:00
parent c16412dd63
commit c38bede8ba
1 changed files with 14 additions and 9 deletions
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23
sys/xvimage/xvimagesink.c
View file

@ -704,7 +704,7 @@ gst_xv_image_sink_setcaps (GstBaseSink * bsink, GstCaps * caps)
{
GstXvImageSink *xvimagesink;
GstXvContext *context;
GstBufferPool *newpool, *oldpool;
GstBufferPool *oldpool;
GstVideoInfo info;
guint32 im_format = 0;
gint video_par_n, video_par_d; /* video's PAR */
@ -820,12 +820,9 @@ gst_xv_image_sink_setcaps (GstBaseSink * bsink, GstCaps * caps)
* doesn't cover the same area */
xvimagesink->redraw_border = TRUE;
/* create a new pool for the new configuration */
newpool = gst_xv_image_sink_create_pool (xvimagesink, caps, info.size, 2);
/* we don't activate the internal pool yet as it may not be needed */
/* destroy current pool */
oldpool = xvimagesink->pool;
xvimagesink->pool = newpool;
xvimagesink->pool = NULL;
g_mutex_unlock (&xvimagesink->flow_lock);
/* deactivate and unref the old internal pool */
@ -962,9 +959,17 @@ gst_xv_image_sink_show_frame (GstVideoSink * vsink, GstBuffer * buf)
/* if we have one... */
GST_LOG_OBJECT (xvimagesink, "buffer %p not from our pool, copying", buf);
/* we should have a pool, configured in setcaps */
if (xvimagesink->pool == NULL)
goto no_pool;
if (xvimagesink->pool == NULL) {
GstCaps *caps = gst_video_info_to_caps (&xvimagesink->info);
GST_DEBUG_OBJECT (xvimagesink, "create new pool");
xvimagesink->pool = gst_xv_image_sink_create_pool (xvimagesink, caps,
xvimagesink->info.size, 2);
if (xvimagesink->pool == NULL)
goto no_pool;
gst_caps_unref (caps);
}
if (!gst_buffer_pool_set_active (xvimagesink->pool, TRUE))
goto activate_failed;