mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-18 06:16:36 +00:00
e3c71c65fe
New base class for vdpau decoders * mpeg2 ported and activated * h264 ported but deactivated * Uses GstMpegVideo meta
148 lines
4.1 KiB
C
148 lines
4.1 KiB
C
/* -*- 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;
|
|
}
|