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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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2ede4011bf
In theory, input caps can be updated anytime at non-keyframe or sequence boundary, such as HDR10 metadata, framerate, aspect-ratio or so. Those information update might not trigger ::new_sequence() or subclass may ignore the changes. By this commit, input state change will be tracked by baseclass and subclass will be able to know the non-decoding-essential update by checking the codec specific picture struct on ::output_picture() Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3328>
128 lines
3.3 KiB
C
128 lines
3.3 KiB
C
/* GStreamer
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* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.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_VP9_PICTURE_H__
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#define __GST_VP9_PICTURE_H__
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#include <gst/codecs/codecs-prelude.h>
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#include <gst/codecs/gstvp9statefulparser.h>
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#include <gst/video/video.h>
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G_BEGIN_DECLS
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#define GST_TYPE_VP9_PICTURE (gst_vp9_picture_get_type())
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#define GST_IS_VP9_PICTURE(obj) (GST_IS_MINI_OBJECT_TYPE(obj, GST_TYPE_VP9_PICTURE))
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#define GST_VP9_PICTURE(obj) ((GstVp9Picture *)obj)
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#define GST_VP9_PICTURE_CAST(obj) (GST_VP9_PICTURE(obj))
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typedef struct _GstVp9Picture GstVp9Picture;
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struct _GstVp9Picture
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{
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/*< private >*/
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GstMiniObject parent;
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/* From GstVideoCodecFrame */
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guint32 system_frame_number;
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GstVp9FrameHeader frame_hdr;
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/* raw data and size (does not have ownership) */
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const guint8 * data;
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gsize size;
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/* decoder input state if this picture is discont point */
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GstVideoCodecState *discont_state;
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gpointer user_data;
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GDestroyNotify notify;
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};
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GST_CODECS_API
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GType gst_vp9_picture_get_type (void);
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GST_CODECS_API
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GstVp9Picture * gst_vp9_picture_new (void);
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static inline GstVp9Picture *
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gst_vp9_picture_ref (GstVp9Picture * picture)
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{
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return (GstVp9Picture *) gst_mini_object_ref (GST_MINI_OBJECT_CAST (picture));
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}
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static inline void
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gst_vp9_picture_unref (GstVp9Picture * picture)
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{
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gst_mini_object_unref (GST_MINI_OBJECT_CAST (picture));
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}
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static inline gboolean
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gst_vp9_picture_replace (GstVp9Picture ** old_picture,
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GstVp9Picture * new_picture)
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{
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return gst_mini_object_replace ((GstMiniObject **) old_picture,
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(GstMiniObject *) new_picture);
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}
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static inline void
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gst_clear_vp9_picture (GstVp9Picture ** picture)
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{
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if (picture && *picture) {
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gst_vp9_picture_unref (*picture);
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*picture = NULL;
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}
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}
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GST_CODECS_API
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void gst_vp9_picture_set_user_data (GstVp9Picture * picture,
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gpointer user_data,
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GDestroyNotify notify);
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GST_CODECS_API
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gpointer gst_vp9_picture_get_user_data (GstVp9Picture * picture);
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/*******************
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* GstVp9Dpb *
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*******************/
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typedef struct _GstVp9Dpb GstVp9Dpb;
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struct _GstVp9Dpb
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{
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GstVp9Picture *pic_list[GST_VP9_REF_FRAMES];
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};
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GST_CODECS_API
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GstVp9Dpb * gst_vp9_dpb_new (void);
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GST_CODECS_API
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void gst_vp9_dpb_free (GstVp9Dpb * dpb);
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GST_CODECS_API
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void gst_vp9_dpb_clear (GstVp9Dpb * dpb);
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GST_CODECS_API
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void gst_vp9_dpb_add (GstVp9Dpb * dpb,
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GstVp9Picture * picture);
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G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstVp9Picture, gst_vp9_picture_unref)
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G_END_DECLS
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#endif /* __GST_VP9_PICTURE_H__ */
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