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vaapibufferpool: don't change config when forcing video meta

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VA-API based buffer might need a video meta because of different
strides. But when donwstream doesn't support video meta we need to
force the usage of video meta.

Before we changed the buffer pool configuration, but actually this
is a hack and we cannot rely on that for downstream.

This patch add a check fo raw video caps and allocator is VA-API,
then the option is enabled without changing the pool configuration.
In this case the element is responsible to copy the frame to a
simple buffer with the expected strides.

https://bugzilla.gnome.org/show_bug.cgi?id=785054
This commit is contained in:
Víctor Manuel Jáquez Leal 2018-02-15 19:22:08 +01:00
parent 516d6bb3e2
commit ad705cc5a3
1 changed files with 5 additions and 6 deletions
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11
gst/vaapi/gstvaapivideobufferpool.c
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@ -142,7 +142,7 @@ gst_vaapi_video_buffer_pool_set_config (GstBufferPool * pool,
const GstVideoInfo *negotiated_vinfo;
GstVideoAlignment align;
GstAllocator *allocator;
gboolean ret, updated = FALSE;
gboolean ret;
guint size, min_buffers, max_buffers;
guint surface_alloc_flags;
@ -248,17 +248,16 @@ gst_vaapi_video_buffer_pool_set_config (GstBufferPool * pool,
if (gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_META)) {
priv->options |= GST_VAAPI_VIDEO_BUFFER_POOL_OPTION_VIDEO_META;
} else {
} else if (gst_caps_is_video_raw (caps) && !priv->use_dmabuf_memory) {
gint i;
for (i = 0; i < GST_VIDEO_INFO_N_PLANES (&new_allocation_vinfo); i++) {
if (GST_VIDEO_INFO_PLANE_OFFSET (&new_allocation_vinfo, i) !=
GST_VIDEO_INFO_PLANE_OFFSET (&priv->vmeta_vinfo, i) ||
GST_VIDEO_INFO_PLANE_STRIDE (&new_allocation_vinfo, i) !=
GST_VIDEO_INFO_PLANE_STRIDE (&priv->vmeta_vinfo, i)) {
priv->options |= GST_VAAPI_VIDEO_BUFFER_POOL_OPTION_VIDEO_META;
gst_buffer_pool_config_add_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_META);
updated = TRUE;
GST_INFO_OBJECT (pool, "adding unrequested video meta");
break;
}
}
@ -277,7 +276,7 @@ gst_vaapi_video_buffer_pool_set_config (GstBufferPool * pool,
ret =
GST_BUFFER_POOL_CLASS
(gst_vaapi_video_buffer_pool_parent_class)->set_config (pool, config);
return !updated && ret;
return ret;
/* ERRORS */
error_invalid_config: