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e728ee8208
Handle stride alignment through the use of the video meta API. The code is based on the corevideobuffer implementation. If the video meta API is not supported and the underlying buffer contains padding, the core media buffer is copied to a system memory buffer. https://bugzilla.gnome.org/show_bug.cgi?id=727885
54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/*
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* Copyright (C) 2009 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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#ifndef __GST_CORE_MEDIA_BUFFER_H__
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#define __GST_CORE_MEDIA_BUFFER_H__
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#include <gst/gst.h>
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#include <gst/video/gstvideometa.h>
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#include "CoreMedia/CoreMedia.h"
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G_BEGIN_DECLS
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#define GST_CORE_MEDIA_META_API_TYPE (gst_core_media_meta_api_get_type())
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#define gst_buffer_get_core_media_meta(b) \
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((GstCoreMediaMeta*)gst_buffer_get_meta((b),GST_CORE_MEDIA_META_API_TYPE))
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typedef struct _GstCoreMediaMeta
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{
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GstMeta meta;
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CMSampleBufferRef sample_buf;
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CVImageBufferRef image_buf;
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CVPixelBufferRef pixel_buf;
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CMBlockBufferRef block_buf;
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} GstCoreMediaMeta;
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GstBuffer * gst_core_media_buffer_new (CMSampleBufferRef sample_buf,
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gboolean use_video_meta);
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CVPixelBufferRef gst_core_media_buffer_get_pixel_buffer
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(GstBuffer * buf);
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GType gst_core_media_meta_api_get_type (void);
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G_END_DECLS
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#endif /* __GST_CORE_MEDIA_BUFFER_H__ */
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