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/*
* gst-plugins-bad
* Copyright (C) 2012 Edward Hervey <edward@collabora.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstvdpvideobufferpool.h"
#include "gstvdpvideomemory.h"
GST_DEBUG_CATEGORY_STATIC (gst_vdp_vidbufpool_debug);
#define GST_CAT_DEFAULT gst_vdp_vidbufpool_debug
static void gst_vdp_video_buffer_pool_finalize (GObject * object);
#define DEBUG_INIT \
GST_DEBUG_CATEGORY_INIT (gst_vdp_vidbufpool_debug, "vdpvideopool", 0, \
"VDPAU Video bufferpool");
#define gst_vdp_video_buffer_pool_parent_class parent_class
G_DEFINE_TYPE_WITH_CODE (GstVdpVideoBufferPool, gst_vdp_video_buffer_pool,
GST_TYPE_BUFFER_POOL, DEBUG_INIT);
static const gchar **
gst_vdp_video_buffer_pool_get_options (GstBufferPool * pool)
{
static const gchar *options[] = { GST_BUFFER_POOL_OPTION_VIDEO_META,
GST_BUFFER_POOL_OPTION_VDP_VIDEO_META, NULL
};
return options;
}
static gboolean
gst_vdp_video_buffer_pool_set_config (GstBufferPool * pool,
GstStructure * config)
{
GstVdpVideoBufferPool *vdppool = GST_VDP_VIDEO_BUFFER_POOL_CAST (pool);
GstVideoInfo info;
GstCaps *caps;
if (!gst_buffer_pool_config_get_params (config, &caps, NULL, NULL, NULL))
goto wrong_config;
if (caps == NULL)
goto no_caps;
/* now parse the caps from the config */
if (!gst_video_info_from_caps (&info, caps))
goto wrong_caps;
GST_LOG_OBJECT (pool, "%dx%d, caps %" GST_PTR_FORMAT, info.width, info.height,
caps);
if (GST_VIDEO_INFO_FORMAT (&info) == GST_VIDEO_FORMAT_UNKNOWN)
goto unknown_format;
vdppool->info = info;
/* enable metadata based on config of the pool */
vdppool->add_videometa =
gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_META);
/* parse extra alignment info */
vdppool->add_vdpmeta = gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_VDP_VIDEO_META);
return GST_BUFFER_POOL_CLASS (parent_class)->set_config (pool, config);
/* ERRORS */
wrong_config:
{
GST_WARNING_OBJECT (pool, "invalid config");
return FALSE;
}
no_caps:
{
GST_WARNING_OBJECT (pool, "no caps in config");
return FALSE;
}
wrong_caps:
{
GST_WARNING_OBJECT (pool,
"failed getting geometry from caps %" GST_PTR_FORMAT, caps);
return FALSE;
}
unknown_format:
{
GST_WARNING_OBJECT (vdppool, "failed to get format from caps %"
GST_PTR_FORMAT, caps);
GST_ELEMENT_ERROR (vdppool, RESOURCE, WRITE,
("Failed to create output image buffer of %dx%d pixels",
info.width, info.height),
("Invalid input caps %" GST_PTR_FORMAT, caps));
return FALSE;
}
}
/* This function handles GstBuffer creation */
static GstFlowReturn
gst_vdp_video_buffer_pool_alloc (GstBufferPool * pool, GstBuffer ** buffer,
GstBufferPoolAcquireParams * params)
{
GstVdpVideoBufferPool *vdppool = GST_VDP_VIDEO_BUFFER_POOL_CAST (pool);
GstVideoInfo *info;
GstBuffer *buf;
GstMemory *vdp_mem;
info = &vdppool->info;
if (!(buf = gst_buffer_new ()))
goto no_buffer;
if (!(vdp_mem = gst_vdp_video_memory_alloc (vdppool->device, info)))
goto mem_create_failed;
gst_buffer_append_memory (buf, vdp_mem);
if (vdppool->add_videometa) {
GstVideoMeta *vmeta;
GST_DEBUG_OBJECT (pool, "adding GstVideoMeta");
/* these are just the defaults for now */
vmeta = gst_buffer_add_video_meta (buf, 0, GST_VIDEO_INFO_FORMAT (info),
GST_VIDEO_INFO_WIDTH (info), GST_VIDEO_INFO_HEIGHT (info));
vmeta->map = gst_vdp_video_memory_map;
vmeta->unmap = gst_vdp_video_memory_unmap;
}
*buffer = buf;
return GST_FLOW_OK;
/* ERROR */
no_buffer:
{
GST_WARNING_OBJECT (pool, "can't create image");
return GST_FLOW_ERROR;
}
mem_create_failed:
{
GST_WARNING_OBJECT (pool, "Could create GstVdpVideo Memory");
return GST_FLOW_ERROR;
}
}
GstBufferPool *
gst_vdp_video_buffer_pool_new (GstVdpDevice * device)
{
GstVdpVideoBufferPool *pool;
pool = g_object_new (GST_TYPE_VDP_VIDEO_BUFFER_POOL, NULL);
pool->device = gst_object_ref (device);
GST_LOG_OBJECT (pool, "new VdpVideo buffer pool %p", pool);
return GST_BUFFER_POOL_CAST (pool);
}
static void
gst_vdp_video_buffer_pool_class_init (GstVdpVideoBufferPoolClass * klass)
{
GObjectClass *gobject_class = (GObjectClass *) klass;
GstBufferPoolClass *gstbufferpool_class = (GstBufferPoolClass *) klass;
gobject_class->finalize = gst_vdp_video_buffer_pool_finalize;
gstbufferpool_class->get_options = gst_vdp_video_buffer_pool_get_options;
gstbufferpool_class->set_config = gst_vdp_video_buffer_pool_set_config;
gstbufferpool_class->alloc_buffer = gst_vdp_video_buffer_pool_alloc;
}
static void
gst_vdp_video_buffer_pool_init (GstVdpVideoBufferPool * pool)
{
}
static void
gst_vdp_video_buffer_pool_finalize (GObject * object)
{
GstVdpVideoBufferPool *pool = GST_VDP_VIDEO_BUFFER_POOL_CAST (object);
GST_LOG_OBJECT (pool, "finalize VdpVideo buffer pool %p", pool);
gst_object_unref (pool->device);
G_OBJECT_CLASS (gst_vdp_video_buffer_pool_parent_class)->finalize (object);
}
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