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plugins: fix and optimize check for buffer pool allocator params.

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Reset the buffer pool allocator only if the config caps changed in a
sensible way: format or resolution change. i.e. don't bother with
other caps like colorimetry et al. as this doesn't affect the way to
allocate VA surfaces or images.
This commit is contained in:
Gwenole Beauchesne 2013-10-09 17:25:10 +02:00
parent 77b2d88452
commit 399e887c4f
3 changed files with 28 additions and 17 deletions
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32
gst/vaapi/gstvaapivideobufferpool.c
View file

@ -38,7 +38,8 @@ enum {
};
struct _GstVaapiVideoBufferPoolPrivate {
GstCaps *caps;
GstVideoInfo video_info[2];
guint video_info_index;
GstAllocator *allocator;
GstVaapiDisplay *display;
guint has_video_meta : 1;
@ -59,7 +60,6 @@ gst_vaapi_video_buffer_pool_finalize(GObject *object)
gst_vaapi_display_replace(&priv->display, NULL);
g_clear_object(&priv->allocator);
gst_caps_replace(&priv->caps, NULL);
}
static void
@ -114,18 +114,29 @@ gst_vaapi_video_buffer_pool_set_config(GstBufferPool *pool,
GstVaapiVideoBufferPoolPrivate * const priv =
GST_VAAPI_VIDEO_BUFFER_POOL(pool)->priv;
GstCaps *caps = NULL;
GstVideoInfo * const cur_vip = &priv->video_info[priv->video_info_index];
GstVideoInfo * const new_vip = &priv->video_info[!priv->video_info_index];
GstAllocator *allocator;
gboolean changed_caps;
if (!gst_buffer_pool_config_get_params(config, &caps, NULL, NULL, NULL))
goto error_invalid_config;
if (!caps)
if (!caps || !gst_video_info_from_caps(new_vip, caps))
goto error_no_caps;
if (!priv->caps || !gst_caps_is_equal(priv->caps, caps)) {
g_clear_object(&priv->allocator);
priv->allocator = gst_vaapi_video_allocator_new(priv->display, caps);
if (!priv->allocator)
changed_caps = !priv->allocator ||
GST_VIDEO_INFO_FORMAT(cur_vip) != GST_VIDEO_INFO_FORMAT(new_vip) ||
GST_VIDEO_INFO_WIDTH(cur_vip) != GST_VIDEO_INFO_WIDTH(new_vip) ||
GST_VIDEO_INFO_HEIGHT(cur_vip) != GST_VIDEO_INFO_HEIGHT(new_vip);
if (changed_caps) {
allocator = gst_vaapi_video_allocator_new(priv->display, new_vip);
if (!allocator)
goto error_create_allocator;
gst_caps_replace(&priv->caps, caps);
gst_object_replace((GstObject **)&priv->allocator,
GST_OBJECT_CAST(allocator));
gst_object_unref(allocator);
priv->video_info_index ^= 1;
}
if (!gst_buffer_pool_config_has_option(config,
@ -146,7 +157,7 @@ error_invalid_config:
}
error_no_caps:
{
GST_ERROR("no caps in config");
GST_ERROR("no valid caps in config");
return FALSE;
}
error_create_allocator:
@ -283,6 +294,9 @@ gst_vaapi_video_buffer_pool_init(GstVaapiVideoBufferPool *pool)
GST_VAAPI_VIDEO_BUFFER_POOL_GET_PRIVATE(pool);
pool->priv = priv;
gst_video_info_init(&priv->video_info[0]);
gst_video_info_init(&priv->video_info[1]);
}
GstBufferPool *

10
gst/vaapi/gstvaapivideomemory.c
View file

@ -480,24 +480,20 @@ gst_video_info_update_from_image(GstVideoInfo *vip, GstVaapiImage *image)
}
GstAllocator *
gst_vaapi_video_allocator_new(GstVaapiDisplay *display, GstCaps *caps)
gst_vaapi_video_allocator_new(GstVaapiDisplay *display, const GstVideoInfo *vip)
{
GstVaapiVideoAllocator *allocator;
GstVideoInfo *vip;
GstVaapiSurface *surface;
GstVaapiImage *image;
g_return_val_if_fail(display != NULL, NULL);
g_return_val_if_fail(GST_IS_CAPS(caps), NULL);
g_return_val_if_fail(vip != NULL, NULL);
allocator = g_object_new(GST_VAAPI_TYPE_VIDEO_ALLOCATOR, NULL);
if (!allocator)
return NULL;
vip = &allocator->video_info;
gst_video_info_init(vip);
gst_video_info_from_caps(vip, caps);
allocator->video_info = *vip;
gst_video_info_set_format(&allocator->surface_info, GST_VIDEO_FORMAT_NV12,
GST_VIDEO_INFO_WIDTH(vip), GST_VIDEO_INFO_HEIGHT(vip));

3
gst/vaapi/gstvaapivideomemory.h
View file

@ -151,7 +151,8 @@ gst_vaapi_video_allocator_get_type(void) G_GNUC_CONST;
G_GNUC_INTERNAL
GstAllocator *
gst_vaapi_video_allocator_new(GstVaapiDisplay *display, GstCaps *caps);
gst_vaapi_video_allocator_new(GstVaapiDisplay *display,
const GstVideoInfo *vip);
G_END_DECLS