mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-24 18:51:11 +00:00
a5144358d1
Allow rendering flags, as a combination of GstVaapiSurfaceRenderFlags, to be set to the video buffer. In particular, this is mostly useful for basic deinterlacing.
634 lines
17 KiB
C
634 lines
17 KiB
C
/*
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* gstvaapivideobuffer.c - Gst VA video buffer
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*
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* Copyright (C) 2010-2011 Splitted-Desktop Systems
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* Copyright (C) 2011 Intel Corporation
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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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/**
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* SECTION:gstvaapivideobuffer
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* @short_description: VA video buffer for GStreamer
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*/
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#include "sysdeps.h"
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#include "gstvaapivideobuffer.h"
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#include "gstvaapivideobuffer_priv.h"
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#include "gstvaapiimagepool.h"
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#include "gstvaapisurfacepool.h"
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#include "gstvaapiobject_priv.h"
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#define DEBUG 1
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#include "gstvaapidebug.h"
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G_DEFINE_TYPE(GstVaapiVideoBuffer, gst_vaapi_video_buffer, GST_TYPE_SURFACE_BUFFER);
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#define GST_VAAPI_VIDEO_BUFFER_GET_PRIVATE(obj) \
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(G_TYPE_INSTANCE_GET_PRIVATE((obj), \
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GST_VAAPI_TYPE_VIDEO_BUFFER, \
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GstVaapiVideoBufferPrivate))
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struct _GstVaapiVideoBufferPrivate {
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GstVaapiDisplay *display;
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GstVaapiVideoPool *image_pool;
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GstVaapiImage *image;
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GstVaapiVideoPool *surface_pool;
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GstVaapiSurface *surface;
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GstVaapiSurfaceProxy *proxy;
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GstBuffer *buffer;
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guint render_flags;
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};
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static void
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set_display(GstVaapiVideoBuffer *buffer, GstVaapiDisplay *display)
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{
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GstVaapiVideoBufferPrivate * const priv = buffer->priv;
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if (priv->display) {
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g_object_unref(priv->display);
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priv->display = NULL;
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}
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if (display)
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priv->display = g_object_ref(display);
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}
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static inline void
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set_image(GstVaapiVideoBuffer *buffer, GstVaapiImage *image)
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{
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buffer->priv->image = g_object_ref(image);
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set_display(buffer, GST_VAAPI_OBJECT_DISPLAY(image));
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}
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static inline void
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set_surface(GstVaapiVideoBuffer *buffer, GstVaapiSurface *surface)
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{
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buffer->priv->surface = g_object_ref(surface);
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set_display(buffer, GST_VAAPI_OBJECT_DISPLAY(surface));
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}
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static void
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gst_vaapi_video_buffer_destroy_image(GstVaapiVideoBuffer *buffer)
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{
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GstVaapiVideoBufferPrivate * const priv = buffer->priv;
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if (priv->image) {
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if (priv->image_pool)
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gst_vaapi_video_pool_put_object(priv->image_pool, priv->image);
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else
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g_object_unref(priv->image);
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priv->image = NULL;
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}
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if (priv->image_pool) {
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g_object_unref(priv->image_pool);
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priv->image_pool = NULL;
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}
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}
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static void
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gst_vaapi_video_buffer_destroy_surface(GstVaapiVideoBuffer *buffer)
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{
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GstVaapiVideoBufferPrivate * const priv = buffer->priv;
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if (priv->proxy) {
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g_object_unref(priv->proxy);
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priv->proxy = NULL;
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}
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if (priv->surface) {
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if (priv->surface_pool)
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gst_vaapi_video_pool_put_object(priv->surface_pool, priv->surface);
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else
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g_object_unref(priv->surface);
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priv->surface = NULL;
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}
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if (priv->surface_pool) {
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g_object_unref(priv->surface_pool);
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priv->surface_pool = NULL;
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}
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if (priv->buffer) {
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gst_buffer_unref(priv->buffer);
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priv->buffer = NULL;
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}
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}
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static void
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gst_vaapi_video_buffer_finalize(GstMiniObject *object)
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{
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GstVaapiVideoBuffer * const buffer = GST_VAAPI_VIDEO_BUFFER(object);
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GstMiniObjectClass *parent_class;
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gst_vaapi_video_buffer_destroy_image(buffer);
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gst_vaapi_video_buffer_destroy_surface(buffer);
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set_display(buffer, NULL);
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parent_class = GST_MINI_OBJECT_CLASS(gst_vaapi_video_buffer_parent_class);
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if (parent_class->finalize)
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parent_class->finalize(object);
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}
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static void
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gst_vaapi_video_buffer_class_init(GstVaapiVideoBufferClass *klass)
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{
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GstMiniObjectClass * const object_class = GST_MINI_OBJECT_CLASS(klass);
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g_type_class_add_private(klass, sizeof(GstVaapiVideoBufferPrivate));
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object_class->finalize = gst_vaapi_video_buffer_finalize;
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}
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static void
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gst_vaapi_video_buffer_init(GstVaapiVideoBuffer *buffer)
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{
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GstVaapiVideoBufferPrivate *priv;
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priv = GST_VAAPI_VIDEO_BUFFER_GET_PRIVATE(buffer);
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buffer->priv = priv;
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priv->display = NULL;
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priv->image_pool = NULL;
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priv->image = NULL;
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priv->surface_pool = NULL;
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priv->surface = NULL;
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priv->proxy = NULL;
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priv->buffer = NULL;
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priv->render_flags = 0;
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}
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/**
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* gst_vaapi_video_buffer_new:
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* @display: a #GstVaapiDisplay
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*
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* Creates an empty #GstBuffer. The caller is responsible for completing
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* the initialization of the buffer with the gst_vaapi_video_buffer_set_*()
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* functions.
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*
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* Return value: the newly allocated #GstBuffer, or %NULL or error
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*/
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static inline gpointer
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_gst_vaapi_video_buffer_new(void)
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{
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return gst_mini_object_new(GST_VAAPI_TYPE_VIDEO_BUFFER);
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}
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GstBuffer *
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gst_vaapi_video_buffer_new(GstVaapiDisplay *display)
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{
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GstBuffer *buffer;
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g_return_val_if_fail(GST_VAAPI_IS_DISPLAY(display), NULL);
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buffer = _gst_vaapi_video_buffer_new();
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if (!buffer)
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return NULL;
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set_display(GST_VAAPI_VIDEO_BUFFER(buffer), display);
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return buffer;
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}
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/**
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* gst_vaapi_video_buffer_new_from_pool:
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* @pool: a #GstVaapiVideoPool
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*
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* Creates a #GstBuffer with a video object allocated from a @pool.
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* Only #GstVaapiSurfacePool and #GstVaapiImagePool pools are supported.
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*
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* The buffer is destroyed through the last call to gst_buffer_unref()
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* and the video objects are pushed back to their respective pools.
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*
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* Return value: the newly allocated #GstBuffer, or %NULL on error
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*/
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GstBuffer *
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gst_vaapi_video_buffer_new_from_pool(GstVaapiVideoPool *pool)
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{
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GstVaapiVideoBuffer *buffer;
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gboolean is_image_pool, is_surface_pool;
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g_return_val_if_fail(GST_VAAPI_IS_VIDEO_POOL(pool), NULL);
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is_image_pool = GST_VAAPI_IS_IMAGE_POOL(pool);
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is_surface_pool = GST_VAAPI_IS_SURFACE_POOL(pool);
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if (!is_image_pool && !is_surface_pool)
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return NULL;
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buffer = _gst_vaapi_video_buffer_new();
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if (buffer &&
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((is_image_pool &&
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gst_vaapi_video_buffer_set_image_from_pool(buffer, pool)) ||
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(is_surface_pool &&
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gst_vaapi_video_buffer_set_surface_from_pool(buffer, pool)))) {
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set_display(buffer, gst_vaapi_video_pool_get_display(pool));
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return GST_BUFFER(buffer);
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}
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gst_mini_object_unref(GST_MINI_OBJECT(buffer));
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return NULL;
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}
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/**
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* gst_vaapi_video_buffer_new_from_buffer:
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* @buffer: a #GstBuffer
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*
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* Creates a #GstBuffer with video objects bound to @buffer video
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* objects, if any.
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*
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* Return value: the newly allocated #GstBuffer, or %NULL on error
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*/
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GstBuffer *
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gst_vaapi_video_buffer_new_from_buffer(GstBuffer *buffer)
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{
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GstVaapiVideoBuffer *inbuf, *outbuf;
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if (!GST_VAAPI_IS_VIDEO_BUFFER(buffer)) {
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if (!buffer->parent || !GST_VAAPI_IS_VIDEO_BUFFER(buffer->parent))
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return NULL;
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buffer = buffer->parent;
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}
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inbuf = GST_VAAPI_VIDEO_BUFFER(buffer);
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outbuf = _gst_vaapi_video_buffer_new();
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if (!outbuf)
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return NULL;
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if (inbuf->priv->image)
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gst_vaapi_video_buffer_set_image(outbuf, inbuf->priv->image);
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if (inbuf->priv->surface)
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gst_vaapi_video_buffer_set_surface(outbuf, inbuf->priv->surface);
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if (inbuf->priv->proxy)
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gst_vaapi_video_buffer_set_surface_proxy(outbuf, inbuf->priv->proxy);
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outbuf->priv->buffer = gst_buffer_ref(buffer);
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return GST_BUFFER(outbuf);
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}
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/**
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* gst_vaapi_video_buffer_new_with_image:
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* @image: a #GstVaapiImage
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*
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* Creates a #GstBuffer with the specified @image. The resulting
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* buffer holds an additional reference to the @image.
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*
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* Return value: the newly allocated #GstBuffer, or %NULL on error
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*/
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GstBuffer *
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gst_vaapi_video_buffer_new_with_image(GstVaapiImage *image)
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{
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GstVaapiVideoBuffer *buffer;
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g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), NULL);
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buffer = _gst_vaapi_video_buffer_new();
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if (buffer)
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gst_vaapi_video_buffer_set_image(buffer, image);
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return GST_BUFFER(buffer);
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}
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/**
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* gst_vaapi_video_buffer_new_with_surface:
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* @surface: a #GstVaapiSurface
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*
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* Creates a #GstBuffer with the specified @surface. The resulting
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* buffer holds an additional reference to the @surface.
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*
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* Return value: the newly allocated #GstBuffer, or %NULL on error
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*/
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GstBuffer *
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gst_vaapi_video_buffer_new_with_surface(GstVaapiSurface *surface)
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{
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GstVaapiVideoBuffer *buffer;
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g_return_val_if_fail(GST_VAAPI_IS_SURFACE(surface), NULL);
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buffer = _gst_vaapi_video_buffer_new();
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if (buffer)
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gst_vaapi_video_buffer_set_surface(buffer, surface);
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return GST_BUFFER(buffer);
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}
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/**
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* gst_vaapi_video_buffer_new_with_surface_proxy:
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* @proxy: a #GstVaapiSurfaceProxy
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*
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* Creates a #GstBuffer with the specified surface @proxy. The
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* resulting buffer holds an additional reference to the @proxy.
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*
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* Return value: the newly allocated #GstBuffer, or %NULL on error
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*/
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GstBuffer *
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gst_vaapi_video_buffer_new_with_surface_proxy(GstVaapiSurfaceProxy *proxy)
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{
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GstVaapiVideoBuffer *buffer;
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g_return_val_if_fail(GST_VAAPI_IS_SURFACE_PROXY(proxy), NULL);
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buffer = _gst_vaapi_video_buffer_new();
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if (buffer)
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gst_vaapi_video_buffer_set_surface_proxy(buffer, proxy);
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return GST_BUFFER(buffer);
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}
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/**
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* gst_vaapi_video_buffer_get_display:
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* @buffer: a #GstVaapiVideoBuffer
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*
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* Retrieves the #GstVaapiDisplay the @buffer is bound to. The @buffer
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* owns the returned #GstVaapiDisplay object so the caller is
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* responsible for calling g_object_ref() when needed.
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*
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* Return value: the #GstVaapiDisplay the @buffer is bound to
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*/
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GstVaapiDisplay *
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gst_vaapi_video_buffer_get_display(GstVaapiVideoBuffer *buffer)
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{
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g_return_val_if_fail(GST_VAAPI_IS_VIDEO_BUFFER(buffer), NULL);
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return buffer->priv->display;
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}
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/**
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* gst_vaapi_video_buffer_get_image:
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* @buffer: a #GstVaapiVideoBuffer
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*
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* Retrieves the #GstVaapiImage bound to the @buffer. The @buffer owns
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* the #GstVaapiImage so the caller is responsible for calling
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* g_object_ref() when needed.
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*
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* Return value: the #GstVaapiImage bound to the @buffer, or %NULL if
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* there is none
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*/
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GstVaapiImage *
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gst_vaapi_video_buffer_get_image(GstVaapiVideoBuffer *buffer)
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{
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g_return_val_if_fail(GST_VAAPI_IS_VIDEO_BUFFER(buffer), NULL);
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return buffer->priv->image;
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}
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/**
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* gst_vaapi_video_buffer_set_image:
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* @buffer: a #GstVaapiVideoBuffer
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* @image: a #GstVaapiImage
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*
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* Binds @image to the @buffer. If the @buffer contains another image
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* previously allocated from a pool, it's pushed back to its parent
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* pool and the pool is also released.
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*/
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void
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gst_vaapi_video_buffer_set_image(
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GstVaapiVideoBuffer *buffer,
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GstVaapiImage *image
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)
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{
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g_return_if_fail(GST_VAAPI_IS_VIDEO_BUFFER(buffer));
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g_return_if_fail(GST_VAAPI_IS_IMAGE(image));
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gst_vaapi_video_buffer_destroy_image(buffer);
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if (image)
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set_image(buffer, image);
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}
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/**
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* gst_vaapi_video_buffer_set_image_from_pool
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* @buffer: a #GstVaapiVideoBuffer
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* @pool: a #GstVaapiVideoPool
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*
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* Binds a newly allocated video object from the @pool. The @pool
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* shall be of type #GstVaapiImagePool. Previously allocated objects
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* are released and returned to their parent pools, if any.
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*
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* Return value: %TRUE on success
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*/
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gboolean
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gst_vaapi_video_buffer_set_image_from_pool(
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GstVaapiVideoBuffer *buffer,
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GstVaapiVideoPool *pool
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)
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{
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GstVaapiImage *image;
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g_return_val_if_fail(GST_VAAPI_IS_VIDEO_BUFFER(buffer), FALSE);
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g_return_val_if_fail(GST_VAAPI_IS_IMAGE_POOL(pool), FALSE);
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gst_vaapi_video_buffer_destroy_image(buffer);
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if (pool) {
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image = gst_vaapi_video_pool_get_object(pool);
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if (!image)
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return FALSE;
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set_image(buffer, image);
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buffer->priv->image_pool = g_object_ref(pool);
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}
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return TRUE;
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}
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/**
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* gst_vaapi_video_buffer_get_surface:
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* @buffer: a #GstVaapiVideoBuffer
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*
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* Retrieves the #GstVaapiSurface bound to the @buffer. The @buffer
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* owns the #GstVaapiSurface so the caller is responsible for calling
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* g_object_ref() when needed.
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*
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* Return value: the #GstVaapiSurface bound to the @buffer, or %NULL if
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* there is none
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*/
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GstVaapiSurface *
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gst_vaapi_video_buffer_get_surface(GstVaapiVideoBuffer *buffer)
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{
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g_return_val_if_fail(GST_VAAPI_IS_VIDEO_BUFFER(buffer), NULL);
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return buffer->priv->surface;
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}
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/**
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* gst_vaapi_video_buffer_set_surface:
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* @buffer: a #GstVaapiVideoBuffer
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* @surface: a #GstVaapiSurface
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*
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* Binds @surface to the @buffer. If the @buffer contains another
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* surface previously allocated from a pool, it's pushed back to its
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* parent pool and the pool is also released.
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*/
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void
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gst_vaapi_video_buffer_set_surface(
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GstVaapiVideoBuffer *buffer,
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GstVaapiSurface *surface
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)
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{
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g_return_if_fail(GST_VAAPI_IS_VIDEO_BUFFER(buffer));
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g_return_if_fail(GST_VAAPI_IS_SURFACE(surface));
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gst_vaapi_video_buffer_destroy_surface(buffer);
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if (surface)
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set_surface(buffer, surface);
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}
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/**
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* gst_vaapi_video_buffer_set_surface_from_pool
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* @buffer: a #GstVaapiVideoBuffer
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* @pool: a #GstVaapiVideoPool
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*
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* Binds a newly allocated video object from the @pool. The @pool
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* shall be of type #GstVaapiSurfacePool. Previously allocated objects
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* are released and returned to their parent pools, if any.
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*
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* Return value: %TRUE on success
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*/
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gboolean
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gst_vaapi_video_buffer_set_surface_from_pool(
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GstVaapiVideoBuffer *buffer,
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GstVaapiVideoPool *pool
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)
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{
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GstVaapiSurface *surface;
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|
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g_return_val_if_fail(GST_VAAPI_IS_VIDEO_BUFFER(buffer), FALSE);
|
|
g_return_val_if_fail(GST_VAAPI_IS_SURFACE_POOL(pool), FALSE);
|
|
|
|
gst_vaapi_video_buffer_destroy_surface(buffer);
|
|
|
|
if (pool) {
|
|
surface = gst_vaapi_video_pool_get_object(pool);
|
|
if (!surface)
|
|
return FALSE;
|
|
set_surface(buffer, surface);
|
|
buffer->priv->surface_pool = g_object_ref(pool);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_video_buffer_get_surface_proxy:
|
|
* @buffer: a #GstVaapiVideoBuffer
|
|
*
|
|
* Retrieves the #GstVaapiSurfaceProxy bound to the @buffer. The @buffer
|
|
* owns the #GstVaapiSurfaceProxy so the caller is responsible for calling
|
|
* g_object_ref() when needed.
|
|
*
|
|
* Return value: the #GstVaapiSurfaceProxy bound to the @buffer, or
|
|
* %NULL if there is none
|
|
*/
|
|
GstVaapiSurfaceProxy *
|
|
gst_vaapi_video_buffer_get_surface_proxy(GstVaapiVideoBuffer *buffer)
|
|
{
|
|
g_return_val_if_fail(GST_VAAPI_IS_VIDEO_BUFFER(buffer), NULL);
|
|
|
|
return buffer->priv->proxy;
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_video_buffer_set_surface_proxy:
|
|
* @buffer: a #GstVaapiVideoBuffer
|
|
* @proxy: a #GstVaapiSurfaceProxy
|
|
*
|
|
* Binds surface @proxy to the @buffer. If the @buffer contains another
|
|
* surface previously allocated from a pool, it's pushed back to its
|
|
* parent pool and the pool is also released.
|
|
*/
|
|
void
|
|
gst_vaapi_video_buffer_set_surface_proxy(
|
|
GstVaapiVideoBuffer *buffer,
|
|
GstVaapiSurfaceProxy *proxy
|
|
)
|
|
{
|
|
GstVaapiSurface *surface;
|
|
|
|
g_return_if_fail(GST_VAAPI_IS_VIDEO_BUFFER(buffer));
|
|
g_return_if_fail(GST_VAAPI_IS_SURFACE_PROXY(proxy));
|
|
|
|
gst_vaapi_video_buffer_destroy_surface(buffer);
|
|
|
|
if (proxy) {
|
|
surface = GST_VAAPI_SURFACE_PROXY_SURFACE(proxy);
|
|
if (!surface)
|
|
return;
|
|
set_surface(buffer, surface);
|
|
buffer->priv->proxy = g_object_ref(proxy);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_video_buffer_set_display:
|
|
* @buffer: a #GstVaapiVideoBuffer
|
|
* @display a #GstVaapiDisplay
|
|
*
|
|
* For subclass only, don't use.
|
|
*/
|
|
void
|
|
gst_vaapi_video_buffer_set_display(
|
|
GstVaapiVideoBuffer *buffer,
|
|
GstVaapiDisplay *display
|
|
)
|
|
{
|
|
set_display(buffer, display);
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_video_buffer_set_display:
|
|
* @buffer: a #GstVaapiVideoBuffer
|
|
* @other_buffer: a #GstBuffer
|
|
*
|
|
* For subclass only, don't use.
|
|
*/
|
|
void
|
|
gst_vaapi_video_buffer_set_buffer(
|
|
GstVaapiVideoBuffer *buffer,
|
|
GstBuffer *other_buffer
|
|
)
|
|
{
|
|
g_return_if_fail (buffer->priv->buffer == NULL);
|
|
buffer->priv->buffer = gst_buffer_ref (other_buffer);
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_video_buffer_get_render_flags:
|
|
* @buffer: a #GstVaapiVideoBuffer
|
|
*
|
|
* Retrieves the surface render flags bound to the @buffer.
|
|
*
|
|
* Return value: a combination for #GstVaapiSurfaceRenderFlags
|
|
*/
|
|
guint
|
|
gst_vaapi_video_buffer_get_render_flags(GstVaapiVideoBuffer *buffer)
|
|
{
|
|
g_return_val_if_fail(GST_VAAPI_IS_VIDEO_BUFFER(buffer), 0);
|
|
g_return_val_if_fail(GST_VAAPI_IS_SURFACE(buffer->priv->surface), 0);
|
|
|
|
return buffer->priv->render_flags;
|
|
}
|
|
|
|
/**
|
|
* gst_vaapi_video_buffer_set_render_flags:
|
|
* @buffer: a #GstVaapiVideoBuffer
|
|
* @flags: a set of surface render flags
|
|
*
|
|
* Sets #GstVaapiSurfaceRenderFlags to the @buffer.
|
|
*/
|
|
void
|
|
gst_vaapi_video_buffer_set_render_flags(GstVaapiVideoBuffer *buffer, guint flags)
|
|
{
|
|
g_return_if_fail(GST_VAAPI_IS_VIDEO_BUFFER(buffer));
|
|
g_return_if_fail(GST_VAAPI_IS_SURFACE(buffer->priv->surface));
|
|
|
|
buffer->priv->render_flags = flags;
|
|
}
|