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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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107 lines
3.3 KiB
Objective-C
107 lines
3.3 KiB
Objective-C
/*
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* Copyright (C) 2010 Ole André Vadla Ravnås <oleavr@soundrop.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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, 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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#if !HAVE_IOS
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#import <AppKit/AppKit.h>
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#endif
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#include "videotexturecache.h"
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#include "coremediabuffer.h"
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#include "corevideobuffer.h"
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#include "vtutil.h"
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G_DEFINE_ABSTRACT_TYPE (GstVideoTextureCache, gst_video_texture_cache, G_TYPE_OBJECT);
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static void gst_video_texture_cache_default_set_format (GstVideoTextureCache * cache,
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GstVideoFormat in_format, GstCaps * out_caps);
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static void
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gst_video_texture_cache_finalize (GObject * object)
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{
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GstVideoTextureCache *cache = GST_VIDEO_TEXTURE_CACHE (object);
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if (cache->in_caps)
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gst_caps_unref (cache->in_caps);
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if (cache->out_caps)
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gst_caps_unref (cache->out_caps);
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G_OBJECT_CLASS (gst_video_texture_cache_parent_class)->finalize (object);
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}
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static void
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gst_video_texture_cache_init (GstVideoTextureCache * cache)
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{
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gst_video_info_init (&cache->input_info);
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}
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static void
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gst_video_texture_cache_class_init (GstVideoTextureCacheClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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gobject_class->finalize = gst_video_texture_cache_finalize;
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klass->set_format = gst_video_texture_cache_default_set_format;
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}
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static void
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gst_video_texture_cache_default_set_format (GstVideoTextureCache * cache,
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GstVideoFormat in_format, GstCaps * out_caps)
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{
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GstCaps *in_caps;
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GstCapsFeatures *features;
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g_return_if_fail (gst_caps_is_fixed (out_caps));
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out_caps = gst_caps_copy (out_caps);
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features = gst_caps_get_features (out_caps, 0);
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gst_video_info_from_caps (&cache->output_info, out_caps);
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in_caps = gst_caps_copy (out_caps);
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gst_caps_set_simple (in_caps, "format",
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G_TYPE_STRING, gst_video_format_to_string (in_format), NULL);
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features = gst_caps_get_features (in_caps, 0);
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gst_video_info_from_caps (&cache->input_info, in_caps);
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gst_caps_take (&cache->in_caps, in_caps);
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gst_caps_take (&cache->out_caps, out_caps);
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}
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void
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gst_video_texture_cache_set_format (GstVideoTextureCache * cache,
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GstVideoFormat in_format, GstCaps * out_caps)
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{
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GstVideoTextureCacheClass *cache_class = GST_VIDEO_TEXTURE_CACHE_GET_CLASS (cache);
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g_return_if_fail (cache_class->set_format);
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cache_class->set_format (cache, in_format, out_caps);
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}
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GstMemory *
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gst_video_texture_cache_create_memory (GstVideoTextureCache * cache,
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GstAppleCoreVideoPixelBuffer *gpixbuf, guint plane, gsize size)
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{
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GstVideoTextureCacheClass *cache_class = GST_VIDEO_TEXTURE_CACHE_GET_CLASS (cache);
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g_return_val_if_fail (cache_class->create_memory, NULL);
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return cache_class->create_memory (cache, gpixbuf, plane, size);
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}
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