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211 lines
5.6 KiB
C
211 lines
5.6 KiB
C
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/*
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* gstvaapifeivideometa.c - Gst VA FEI video meta
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*
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* Copyright (C) 2016-2017 Intel Corporation
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* Author: Yi A Wang <yi.a.wang@intel.com>
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* Author: Sreerenj Balachandran <sreerenj.balachandran@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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/**
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* SECTION:gstvaapifeivideometa
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* @short_description: VA FEI video meta for GStreamer
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*/
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#include "gstcompat.h"
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#include "gstvaapifeivideometa.h"
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static void
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gst_vaapi_fei_video_meta_finalize (GstVaapiFeiVideoMeta * meta)
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{
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if (meta->mbcode)
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gst_vaapi_fei_codec_object_unref (GST_VAAPI_FEI_CODEC_OBJECT
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(meta->mbcode));
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if (meta->mv)
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gst_vaapi_fei_codec_object_unref (GST_VAAPI_FEI_CODEC_OBJECT (meta->mv));
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if (meta->mvpred)
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gst_vaapi_fei_codec_object_unref (GST_VAAPI_FEI_CODEC_OBJECT
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(meta->mvpred));
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if (meta->mbcntrl)
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gst_vaapi_fei_codec_object_unref (GST_VAAPI_FEI_CODEC_OBJECT
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(meta->mbcntrl));
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if (meta->qp)
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gst_vaapi_fei_codec_object_unref (GST_VAAPI_FEI_CODEC_OBJECT (meta->qp));
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if (meta->dist)
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gst_vaapi_fei_codec_object_unref (GST_VAAPI_FEI_CODEC_OBJECT (meta->dist));
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}
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static void
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gst_vaapi_fei_video_meta_init (GstVaapiFeiVideoMeta * meta)
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{
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}
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static inline GstVaapiFeiVideoMeta *
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_gst_vaapi_fei_video_meta_create (void)
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{
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return g_slice_new0 (GstVaapiFeiVideoMeta);
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}
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static inline void
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_gst_vaapi_fei_video_meta_destroy (GstVaapiFeiVideoMeta * meta)
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{
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g_slice_free1 (sizeof (*meta), meta);
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}
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GstVaapiFeiVideoMeta *
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gst_vaapi_fei_video_meta_new (void)
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{
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GstVaapiFeiVideoMeta *meta;
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meta = _gst_vaapi_fei_video_meta_create ();
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if (!meta)
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return NULL;
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gst_vaapi_fei_video_meta_init (meta);
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return meta;
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}
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static inline void
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_gst_vaapi_fei_video_meta_free (GstVaapiFeiVideoMeta * meta)
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{
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g_atomic_int_inc (&meta->ref_count);
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gst_vaapi_fei_video_meta_finalize (meta);
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if (G_LIKELY (g_atomic_int_dec_and_test (&meta->ref_count)))
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_gst_vaapi_fei_video_meta_destroy (meta);
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}
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/**
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* gst_vaapi_fei_video_meta_ref:
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* @meta: a #GstVaapiFeiVideoMeta
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*
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* Atomically increases the reference count of the given @meta by one.
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*
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* Returns: The same @meta argument
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*/
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GstVaapiFeiVideoMeta *
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gst_vaapi_fei_video_meta_ref (GstVaapiFeiVideoMeta * meta)
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{
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g_return_val_if_fail (meta != NULL, NULL);
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g_atomic_int_inc (&meta->ref_count);
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return meta;
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}
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/**
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* gst_vaapi_fei_video_meta_unref:
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* @meta: a #GstVaapiFeiVideoMeta
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*
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* Atomically decreases the reference count of the @meta 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_fei_video_meta_unref (GstVaapiFeiVideoMeta * meta)
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{
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g_return_if_fail (meta != NULL);
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g_return_if_fail (meta->ref_count > 0);
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if (g_atomic_int_dec_and_test (&meta->ref_count))
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_gst_vaapi_fei_video_meta_free (meta);
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}
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GType
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gst_vaapi_fei_video_meta_api_get_type (void)
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{
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static gsize g_type;
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static const gchar *tags[] = { "memory", NULL };
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if (g_once_init_enter (&g_type)) {
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GType type = gst_meta_api_type_register ("GstVaapiFeiVideoMetaAPI", tags);
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g_once_init_leave (&g_type, type);
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}
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return g_type;
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}
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#define GST_VAAPI_FEI_VIDEO_META_HOLDER(meta) \
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((GstVaapiFeiVideoMetaHolder *) (meta))
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static gboolean
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gst_vaapi_fei_video_meta_holder_init (GstVaapiFeiVideoMetaHolder * meta,
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gpointer params, GstBuffer * buffer)
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{
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meta->meta = NULL;
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return TRUE;
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}
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static void
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gst_vaapi_fei_video_meta_holder_free (GstVaapiFeiVideoMetaHolder * meta,
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GstBuffer * buffer)
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{
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if (meta->meta)
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gst_vaapi_fei_video_meta_unref (meta->meta);
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}
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#define GST_VAAPI_FEI_VIDEO_META_INFO gst_vaapi_fei_video_meta_info_get ()
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static const GstMetaInfo *
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gst_vaapi_fei_video_meta_info_get (void)
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{
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static gsize g_meta_info;
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if (g_once_init_enter (&g_meta_info)) {
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gsize meta_info =
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GPOINTER_TO_SIZE (gst_meta_register (GST_VAAPI_FEI_VIDEO_META_API_TYPE,
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"GstVaapiFeiVideoMeta", sizeof (GstVaapiFeiVideoMetaHolder),
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(GstMetaInitFunction) gst_vaapi_fei_video_meta_holder_init,
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(GstMetaFreeFunction) gst_vaapi_fei_video_meta_holder_free,
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NULL));
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g_once_init_leave (&g_meta_info, meta_info);
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}
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return GSIZE_TO_POINTER (g_meta_info);
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}
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GstVaapiFeiVideoMeta *
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gst_buffer_get_vaapi_fei_video_meta (GstBuffer * buffer)
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{
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GstVaapiFeiVideoMeta *meta;
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GstMeta *m;
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g_return_val_if_fail (GST_IS_BUFFER (buffer), NULL);
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m = gst_buffer_get_meta (buffer, GST_VAAPI_FEI_VIDEO_META_API_TYPE);
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if (!m)
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return NULL;
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meta = GST_VAAPI_FEI_VIDEO_META_HOLDER (m)->meta;
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if (meta)
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meta->buffer = buffer;
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return meta;
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}
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void
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gst_buffer_set_vaapi_fei_video_meta (GstBuffer * buffer,
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GstVaapiFeiVideoMeta * meta)
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{
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GstMeta *m = NULL;
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g_return_if_fail (GST_IS_BUFFER (buffer));
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g_return_if_fail (GST_VAAPI_IS_FEI_VIDEO_META (meta));
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m = gst_buffer_add_meta (buffer, GST_VAAPI_FEI_VIDEO_META_INFO, NULL);
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if (m)
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GST_VAAPI_FEI_VIDEO_META_HOLDER (m)->meta =
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gst_vaapi_fei_video_meta_ref (meta);
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return;
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}
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