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vaapivideobufferpool: create or reconfig allocator

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Sometimes a video decoder could set different buffer pool
configurations, because their frame size changes. In this case we
did not reconfigure the allocator.

This patch enables this use case, creating a new allocator inside
the VAAPI buffer pool if the caps changed, if it is not dmabuf-based.
If so, it is just reconfigured, since it doesn't have a surface pool.

https://bugzilla.gnome.org/show_bug.cgi?id=781577
This commit is contained in:
Víctor Manuel Jáquez Leal 2017-04-21 19:07:18 +02:00
parent 10fc9a97b5
commit 158b44fc1e
1 changed files with 21 additions and 0 deletions
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21
gst/vaapi/gstvaapivideobufferpool.c
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@ -161,6 +161,27 @@ gst_vaapi_video_buffer_pool_set_config (GstBufferPool * pool,
gst_object_replace ((GstObject **) & priv->allocator, NULL);
priv->video_info = new_vip;
{
guint surface_alloc_flags;
gboolean vinfo_changed = FALSE;
if (allocator) {
const GstVideoInfo *alloc_vinfo =
gst_allocator_get_vaapi_video_info (allocator, &surface_alloc_flags);
vinfo_changed = gst_video_info_changed (alloc_vinfo, &new_vip);
}
if (vinfo_changed && allocator && priv->use_dmabuf_memory) {
gst_allocator_set_vaapi_video_info (allocator, &new_vip,
surface_alloc_flags);
} else if (!priv->use_dmabuf_memory && (vinfo_changed || !allocator)) {
/* let's destroy the other allocator and create a new one */
allocator = gst_vaapi_video_allocator_new (priv->display, &new_vip,
surface_alloc_flags, 0);
gst_buffer_pool_config_set_allocator (config, allocator, NULL);
}
}
if (!gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_VAAPI_VIDEO_META))
goto error_no_vaapi_video_meta_option;