va: pool: Add set_va_alignment() API.

We want to use gst_buffer_pool_config_set_va_alignment() to replace
gst_buffer_pool_config_get_video_alignment(). The later one is specific
for GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT option.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2282>

diff --git a/subprojects/gst-plugins-bad/gst-libs/gst/va/gstvapool.c b/subprojects/gst-plugins-bad/gst-libs/gst/va/gstvapool.c
index 792e2c5..f14c8b6 100644 (file)
--- a/subprojects/gst-plugins-bad/gst-libs/gst/va/gstvapool.c
+++ b/subprojects/gst-plugins-bad/gst-libs/gst/va/gstvapool.c
@@ -80,6 +80,17 @@ gst_buffer_pool_config_get_va_allocation_params (GstStructure * config,
   return TRUE;
 }
 
+static inline gboolean
+gst_buffer_pool_config_get_va_alignment (GstStructure * config,
+    GstVideoAlignment * align)
+{
+  return gst_structure_get (config,
+      "va-padding-top", G_TYPE_UINT, &align->padding_top,
+      "va-padding-bottom", G_TYPE_UINT, &align->padding_bottom,
+      "va-padding-left", G_TYPE_UINT, &align->padding_left,
+      "va-padding-right", G_TYPE_UINT, &align->padding_right, NULL);
+}
+
 static gboolean
 gst_va_pool_set_config (GstBufferPool * pool, GstStructure * config)
 {
@@ -354,6 +365,17 @@ gst_buffer_pool_config_set_va_allocation_params (GstStructure * config,
       "use-derived", GST_TYPE_VA_FEATURE, use_derived, NULL);
 }
 
+void
+gst_buffer_pool_config_set_va_alignment (GstStructure * config,
+    const GstVideoAlignment * align)
+{
+  gst_structure_set (config,
+      "va-padding-top", G_TYPE_UINT, align->padding_top,
+      "va-padding-bottom", G_TYPE_UINT, align->padding_bottom,
+      "va-padding-left", G_TYPE_UINT, align->padding_left,
+      "va-padding-right", G_TYPE_UINT, align->padding_right, NULL);
+}
+
 gboolean
 gst_va_pool_requires_video_meta (GstBufferPool * pool)
 {

diff --git a/subprojects/gst-plugins-bad/gst-libs/gst/va/gstvapool.h b/subprojects/gst-plugins-bad/gst-libs/gst/va/gstvapool.h
index 1531343..e204f46 100644 (file)
--- a/subprojects/gst-plugins-bad/gst-libs/gst/va/gstvapool.h
+++ b/subprojects/gst-plugins-bad/gst-libs/gst/va/gstvapool.h
@@ -21,6 +21,7 @@
 #pragma once
 
 #include <gst/gst.h>
+#include <gst/video/video.h>
 #include <gst/va/gstva.h>
 
 G_BEGIN_DECLS
@@ -43,6 +44,9 @@ void                 gst_buffer_pool_config_set_va_allocation_params (GstStructu
                                                                       guint usage_hint,
                                                                      GstVaFeature use_derived);
 GST_VA_API
+void                 gst_buffer_pool_config_set_va_alignment (GstStructure * config,
+                                                              const GstVideoAlignment * align);
+GST_VA_API
 GstBufferPool *      gst_va_pool_new_with_config          (GstCaps * caps,
                                                            guint size,
                                                            guint min_buffers,