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videoscale: activate Video meta

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Configure the allocator with GstMetaVideo because we can handle that using the
GstVideoFrame helpers.
This commit is contained in:
Wim Taymans 2011-06-20 17:49:13 +02:00
parent 8fbdac9fc6
commit 97567606e2
1 changed files with 25 additions and 1 deletions
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26
gst/videoscale/gstvideoscale.c
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@ -76,7 +76,7 @@
#include <math.h>
#include <gst/video/video.h>
#include <gst/video/gstmetavideo.h>
#include "gstvideoscale.h"
#include "gstvideoscaleorc.h"
@ -179,6 +179,8 @@ static gboolean gst_video_scale_set_caps (GstBaseTransform * trans,
GstCaps * in, GstCaps * out);
static gboolean gst_video_scale_get_unit_size (GstBaseTransform * trans,
GstCaps * caps, gsize * size);
static gboolean gst_video_scale_setup_allocation (GstBaseTransform * trans,
GstQuery * query);
static GstFlowReturn gst_video_scale_transform (GstBaseTransform * trans,
GstBuffer * in, GstBuffer * out);
static void gst_video_scale_fixate_caps (GstBaseTransform * base,
@ -228,6 +230,8 @@ gst_video_scale_class_init (GstVideoScaleClass * klass)
trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_video_scale_set_caps);
trans_class->get_unit_size =
GST_DEBUG_FUNCPTR (gst_video_scale_get_unit_size);
trans_class->setup_allocation =
GST_DEBUG_FUNCPTR (gst_video_scale_setup_allocation);
trans_class->transform = GST_DEBUG_FUNCPTR (gst_video_scale_transform);
trans_class->fixate_caps = GST_DEBUG_FUNCPTR (gst_video_scale_fixate_caps);
trans_class->src_event = GST_DEBUG_FUNCPTR (gst_video_scale_src_event);
@ -346,6 +350,26 @@ gst_video_scale_transform_caps (GstBaseTransform * trans,
return ret;
}
static gboolean
gst_video_scale_setup_allocation (GstBaseTransform * trans, GstQuery * query)
{
GstBufferPool *pool = NULL;
guint size, min, max, prefix, alignment;
gst_query_parse_allocation_params (query, &size, &min, &max, &prefix,
&alignment, &pool);
if (pool) {
GstStructure *config;
config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_add_meta (config, GST_META_API_VIDEO);
gst_buffer_pool_set_config (pool, config);
}
return TRUE;
}
static gboolean
gst_video_scale_set_caps (GstBaseTransform * trans, GstCaps * in, GstCaps * out)
{