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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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6b05d01898
the buffers don't come in output order so fix the decoder to handle this add new gst_vdp_video_buffer_add_reference method to GstVdpVideoBuffer to be able to keep buffers alive. Ie. a B_FRAME need to have both the forward reference and the backward reference alive during it's lifetime. add mutex to protect for threadsafety issues when we reset the decoder in FLUSH_STOP
138 lines
3.7 KiB
C
138 lines
3.7 KiB
C
/*
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* GStreamer
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* Copyright (C) 2009 Carl-Anton Ingmarsson <ca.ingmarsson@gmail.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 Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstvdpvideobuffer.h"
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void
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gst_vdp_video_buffer_add_reference (GstVdpVideoBuffer * buffer,
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GstVdpVideoBuffer * buf)
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{
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g_assert (GST_IS_VDPAU_VIDEO_BUFFER (buffer));
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g_assert (GST_IS_VDPAU_VIDEO_BUFFER (buf));
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gst_buffer_ref (GST_BUFFER (buf));
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buffer->refs = g_slist_prepend (buffer->refs, buf);
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}
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GstVdpVideoBuffer *
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gst_vdp_video_buffer_new (GstVdpDevice * device, VdpChromaType chroma_type,
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gint width, gint height)
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{
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GstVdpVideoBuffer *buffer;
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VdpStatus status;
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VdpVideoSurface surface;
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status = device->vdp_video_surface_create (device->device, chroma_type, width,
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height, &surface);
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if (status != VDP_STATUS_OK) {
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GST_ERROR ("Couldn't create a VdpVideoSurface, error returned was: %s",
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device->vdp_get_error_string (status));
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return NULL;
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}
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buffer =
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(GstVdpVideoBuffer *) gst_mini_object_new (GST_TYPE_VDPAU_VIDEO_BUFFER);
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buffer->device = g_object_ref (device);
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buffer->surface = surface;
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return buffer;
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}
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static GObjectClass *gst_vdp_video_buffer_parent_class;
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static void
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gst_vdp_video_buffer_finalize (GstVdpVideoBuffer * buffer)
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{
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GSList *iter;
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GstVdpDevice *device;
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VdpStatus status;
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device = buffer->device;
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status = device->vdp_video_surface_destroy (buffer->surface);
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if (status != VDP_STATUS_OK)
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GST_ERROR
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("Couldn't destroy the buffers VdpVideoSurface, error returned was: %s",
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device->vdp_get_error_string (status));
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g_object_unref (buffer->device);
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for (iter = buffer->refs; iter; iter = g_slist_next (iter)) {
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GstBuffer *buf;
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buf = (GstBuffer *) (iter->data);
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gst_buffer_unref (buf);
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}
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g_slist_free (buffer->refs);
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GST_MINI_OBJECT_CLASS (gst_vdp_video_buffer_parent_class)->finalize
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(GST_MINI_OBJECT (buffer));
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}
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static void
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gst_vdp_video_buffer_init (GstVdpVideoBuffer * buffer, gpointer g_class)
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{
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buffer->device = NULL;
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buffer->surface = VDP_INVALID_HANDLE;
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buffer->refs = NULL;
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}
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static void
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gst_vdp_video_buffer_class_init (gpointer g_class, gpointer class_data)
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{
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GstMiniObjectClass *mini_object_class = GST_MINI_OBJECT_CLASS (g_class);
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gst_vdp_video_buffer_parent_class = g_type_class_peek_parent (g_class);
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mini_object_class->finalize = (GstMiniObjectFinalizeFunction)
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gst_vdp_video_buffer_finalize;
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}
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GType
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gst_vdp_video_buffer_get_type (void)
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{
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static GType _gst_vdp_video_buffer_type;
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if (G_UNLIKELY (_gst_vdp_video_buffer_type == 0)) {
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static const GTypeInfo info = {
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sizeof (GstBufferClass),
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NULL,
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NULL,
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gst_vdp_video_buffer_class_init,
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NULL,
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NULL,
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sizeof (GstVdpVideoBuffer),
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0,
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(GInstanceInitFunc) gst_vdp_video_buffer_init,
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NULL
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};
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_gst_vdp_video_buffer_type = g_type_register_static (GST_TYPE_BUFFER,
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"GstVdpVideoBuffer", &info, 0);
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}
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return _gst_vdp_video_buffer_type;
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}
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