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9da5196b5a
FEI encoders are not actively mantained neither tested, and it is using infrastructure that is changing and FEI is stopping this effort. Also it is required to rethink how FEI can be used in GStreamer.
256 lines
7.7 KiB
C
256 lines
7.7 KiB
C
/*
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* gstvaapicodedbufferproxy.c - VA coded buffer proxy
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*
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* Copyright (C) 2013 Intel Corporation
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* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#include "sysdeps.h"
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#include "gstvaapicodedbufferproxy.h"
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#include "gstvaapicodedbufferproxy_priv.h"
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#include "gstvaapivideopool_priv.h"
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#define DEBUG 1
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#include "gstvaapidebug.h"
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static void
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coded_buffer_proxy_set_user_data (GstVaapiCodedBufferProxy * proxy,
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gpointer user_data, GDestroyNotify destroy_func)
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{
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if (proxy->user_data_destroy)
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proxy->user_data_destroy (proxy->user_data);
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proxy->user_data = user_data;
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proxy->user_data_destroy = destroy_func;
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}
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static void
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coded_buffer_proxy_finalize (GstVaapiCodedBufferProxy * proxy)
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{
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if (proxy->buffer) {
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if (proxy->pool)
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gst_vaapi_video_pool_put_object (proxy->pool, proxy->buffer);
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gst_vaapi_coded_buffer_unref (proxy->buffer);
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proxy->buffer = NULL;
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}
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gst_vaapi_video_pool_replace (&proxy->pool, NULL);
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coded_buffer_proxy_set_user_data (proxy, NULL, NULL);
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/* Notify the user function that the object is now destroyed */
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if (proxy->destroy_func)
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proxy->destroy_func (proxy->destroy_data);
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}
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static inline const GstVaapiMiniObjectClass *
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gst_vaapi_coded_buffer_proxy_class (void)
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{
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static const GstVaapiMiniObjectClass GstVaapiCodedBufferProxyClass = {
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sizeof (GstVaapiCodedBufferProxy),
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(GDestroyNotify) coded_buffer_proxy_finalize
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};
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return &GstVaapiCodedBufferProxyClass;
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}
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/**
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* gst_vaapi_coded_buffer_proxy_new_from_pool:
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* @pool: a #GstVaapiCodedBufferPool
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*
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* Allocates a new coded buffer from the supplied @pool and creates
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* the wrapped coded buffer proxy object from it. When the last
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* reference to the proxy object is released, then the underlying VA
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* coded buffer is pushed back to its parent pool.
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*
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* Returns: The same newly allocated @proxy object, or %NULL on error
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*/
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GstVaapiCodedBufferProxy *
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gst_vaapi_coded_buffer_proxy_new_from_pool (GstVaapiCodedBufferPool * pool)
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{
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GstVaapiCodedBufferProxy *proxy;
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g_return_val_if_fail (pool != NULL, NULL);
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g_return_val_if_fail (GST_VAAPI_VIDEO_POOL (pool)->object_type ==
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GST_VAAPI_VIDEO_POOL_OBJECT_TYPE_CODED_BUFFER, NULL);
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proxy = (GstVaapiCodedBufferProxy *)
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gst_vaapi_mini_object_new (gst_vaapi_coded_buffer_proxy_class ());
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if (!proxy)
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return NULL;
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proxy->destroy_func = NULL;
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proxy->user_data_destroy = NULL;
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proxy->pool = gst_vaapi_video_pool_ref (GST_VAAPI_VIDEO_POOL (pool));
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proxy->buffer = gst_vaapi_video_pool_get_object (proxy->pool);
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if (!proxy->buffer)
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goto error;
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gst_mini_object_ref (GST_MINI_OBJECT_CAST (proxy->buffer));
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return proxy;
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/* ERRORS */
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error:
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{
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gst_vaapi_coded_buffer_proxy_unref (proxy);
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return NULL;
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}
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}
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/**
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* gst_vaapi_coded_buffer_proxy_ref:
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* @proxy: a #GstVaapiCodedBufferProxy
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*
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* Atomically increases the reference count of the given @proxy by one.
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*
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* Returns: The same @proxy argument
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*/
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GstVaapiCodedBufferProxy *
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gst_vaapi_coded_buffer_proxy_ref (GstVaapiCodedBufferProxy * proxy)
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{
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g_return_val_if_fail (proxy != NULL, NULL);
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return GST_VAAPI_CODED_BUFFER_PROXY (gst_vaapi_mini_object_ref
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(GST_VAAPI_MINI_OBJECT (proxy)));
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}
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/**
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* gst_vaapi_coded_buffer_proxy_unref:
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* @proxy: a #GstVaapiCodedBufferProxy
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*
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* Atomically decreases the reference count of the @proxy by one. If
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* the reference count reaches zero, the object will be free'd.
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*/
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void
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gst_vaapi_coded_buffer_proxy_unref (GstVaapiCodedBufferProxy * proxy)
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{
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g_return_if_fail (proxy != NULL);
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gst_vaapi_mini_object_unref (GST_VAAPI_MINI_OBJECT (proxy));
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}
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/**
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* gst_vaapi_coded_buffer_proxy_replace:
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* @old_proxy_ptr: a pointer to a #GstVaapiCodedBufferProxy
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* @new_proxy: a #GstVaapiCodedBufferProxy
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*
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* Atomically replaces the proxy object held in @old_proxy_ptr with
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* @new_proxy. This means that @old_proxy_ptr shall reference a valid
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* object. However, @new_proxy can be NULL.
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*/
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void
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gst_vaapi_coded_buffer_proxy_replace (GstVaapiCodedBufferProxy ** old_proxy_ptr,
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GstVaapiCodedBufferProxy * new_proxy)
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{
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g_return_if_fail (old_proxy_ptr != NULL);
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gst_vaapi_mini_object_replace ((GstVaapiMiniObject **) old_proxy_ptr,
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GST_VAAPI_MINI_OBJECT (new_proxy));
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}
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/**
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* gst_vaapi_coded_buffer_proxy_get_buffer:
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* @proxy: a #GstVaapiCodedBufferProxy
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*
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* Returns the #GstVaapiCodedBuffer stored in the @proxy.
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*
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* Return value: the #GstVaapiCodedBuffer, or %NULL if an error occurred
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*/
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GstVaapiCodedBuffer *
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gst_vaapi_coded_buffer_proxy_get_buffer (GstVaapiCodedBufferProxy * proxy)
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{
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g_return_val_if_fail (proxy != NULL, NULL);
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return GST_VAAPI_CODED_BUFFER_PROXY_BUFFER (proxy);
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}
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/**
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* gst_vaapi_coded_buffer_proxy_get_buffer_size:
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* @proxy: a #GstVaapiCodedBufferProxy
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*
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* Returns the size of the underlying #GstVaapiCodedBuffer object
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* stored in the @proxy.
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*
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* Return value: the underlying #GstVaapiCodedBuffer size, or -1 if an
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* error occurred
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*/
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gssize
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gst_vaapi_coded_buffer_proxy_get_buffer_size (GstVaapiCodedBufferProxy * proxy)
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{
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g_return_val_if_fail (proxy != NULL, -1);
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return GST_VAAPI_CODED_BUFFER_PROXY_BUFFER_SIZE (proxy);
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}
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/**
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* gst_vaapi_coded_buffer_proxy_set_destroy_notify:
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* @proxy: a @GstVaapiCodedBufferProxy
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* @destroy_func: a #GDestroyNotify function
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* @user_data: some extra data to pass to the @destroy_func function
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*
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* Sets @destroy_func as the function to call when the coded buffer
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* @proxy was released. At this point, the proxy object is considered
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* released, i.e. the underlying data storage is no longer valid and
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* the callback function shall not expect anything from that.
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*/
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void
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gst_vaapi_coded_buffer_proxy_set_destroy_notify (GstVaapiCodedBufferProxy *
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proxy, GDestroyNotify destroy_func, gpointer user_data)
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{
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g_return_if_fail (proxy != NULL);
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proxy->destroy_func = destroy_func;
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proxy->destroy_data = user_data;
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}
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/**
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* gst_vaapi_coded_buffer_proxy_get_user_data:
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* @proxy: a #GstVaapiCodedBufferProxy
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*
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* Gets private data previously set on the VA coded buffer proxy
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* object through the gst_vaapi_coded_buffer_proxy_set_user_data()
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* function.
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*
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* Return value: the previously set user-data
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*/
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gpointer
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gst_vaapi_coded_buffer_proxy_get_user_data (GstVaapiCodedBufferProxy * proxy)
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{
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g_return_val_if_fail (proxy != NULL, NULL);
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return proxy->user_data;
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}
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/**
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* gst_vaapi_coded_buffer_proxy_set_user_data:
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* @proxy: a #GstVaapiCodedBufferProxy
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* @user_data: user-defined data
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* @destroy_func: a #GDestroyNotify
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*
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* Sets @user_data on the VA coded buffer proxy object and the
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* #GDestroyNotify function that will be called when the coded buffer
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* proxy object is released.
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*
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* If a @user_data was previously set, then the previously set
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* @destroy_func function, if any, will be called before the
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* @user_data is replaced.
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*/
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void
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gst_vaapi_coded_buffer_proxy_set_user_data (GstVaapiCodedBufferProxy * proxy,
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gpointer user_data, GDestroyNotify destroy_func)
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{
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g_return_if_fail (proxy != NULL);
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coded_buffer_proxy_set_user_data (proxy, user_data, destroy_func);
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}
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