/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */ /* * gst-plugins-bad * Copyright (C) Carl-Anton Ingmarsson 2010 <ca.ingmarsson@gmail.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., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ #include "gstvdpdevice.h" #include "gstvdpoutputbuffer.h" #include "gstvdpoutputbufferpool.h" struct _GstVdpOutputBufferPool { GstVdpBufferPool buffer_pool; VdpRGBAFormat rgba_format; guint width, height; }; G_DEFINE_TYPE (GstVdpOutputBufferPool, gst_vdp_output_buffer_pool, GST_TYPE_VDP_BUFFER_POOL); GstVdpBufferPool * gst_vdp_output_buffer_pool_new (GstVdpDevice * device) { g_return_val_if_fail (GST_IS_VDP_DEVICE (device), NULL); return g_object_new (GST_TYPE_VDP_OUTPUT_BUFFER_POOL, "device", device, NULL); } static gboolean parse_caps (const GstCaps * caps, VdpChromaType * rgba_format, gint * width, gint * height) { GstStructure *structure; structure = gst_caps_get_structure (caps, 0); if (!gst_structure_get_int (structure, "rgba-format", (gint *) rgba_format)) return FALSE; if (!gst_structure_get_int (structure, "width", width)) return FALSE; if (!gst_structure_get_int (structure, "height", height)) return FALSE; return TRUE; } static gboolean gst_vdp_output_buffer_pool_check_caps (GstVdpBufferPool * bpool, const GstCaps * caps) { GstVdpOutputBufferPool *opool = GST_VDP_OUTPUT_BUFFER_POOL (bpool); VdpChromaType rgba_format; gint width, height; if (!parse_caps (caps, &rgba_format, &width, &height)) return FALSE; if (rgba_format != opool->rgba_format || width != opool->width || height != opool->height) return FALSE; return TRUE; } static gboolean gst_vdp_output_buffer_pool_set_caps (GstVdpBufferPool * bpool, const GstCaps * caps, gboolean * clear_bufs) { GstVdpOutputBufferPool *opool = GST_VDP_OUTPUT_BUFFER_POOL (bpool); VdpChromaType rgba_format; gint width, height; if (!parse_caps (caps, &rgba_format, &width, &height)) return FALSE; if (rgba_format != opool->rgba_format || width != opool->width || height != opool->height) *clear_bufs = TRUE; else *clear_bufs = FALSE; opool->rgba_format = rgba_format; opool->width = width; opool->height = height; return TRUE; } static GstVdpBuffer * gst_vdp_output_buffer_pool_alloc_buffer (GstVdpBufferPool * bpool, GError ** error) { GstVdpOutputBufferPool *opool = GST_VDP_OUTPUT_BUFFER_POOL (bpool); GstVdpDevice *device; device = gst_vdp_buffer_pool_get_device (bpool); return GST_VDP_BUFFER_CAST (gst_vdp_output_buffer_new (device, opool->rgba_format, opool->width, opool->height, error)); } static void gst_vdp_output_buffer_pool_finalize (GObject * object) { /* TODO: Add deinitalization code here */ G_OBJECT_CLASS (gst_vdp_output_buffer_pool_parent_class)->finalize (object); } static void gst_vdp_output_buffer_pool_init (GstVdpOutputBufferPool * opool) { opool->rgba_format = -1; opool->width = 0; opool->height = 0; } static void gst_vdp_output_buffer_pool_class_init (GstVdpOutputBufferPoolClass * klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); GstVdpBufferPoolClass *buffer_pool_class = GST_VDP_BUFFER_POOL_CLASS (klass); buffer_pool_class->alloc_buffer = gst_vdp_output_buffer_pool_alloc_buffer; buffer_pool_class->set_caps = gst_vdp_output_buffer_pool_set_caps; buffer_pool_class->check_caps = gst_vdp_output_buffer_pool_check_caps; object_class->finalize = gst_vdp_output_buffer_pool_finalize; }