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codecs: Define common codec picture struct
Adding parent class of codec picture struct Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5285>
This commit is contained in:
Seungha Yang
GStreamer Marge Bot
parent
1bfd8a9fb1
commit
d69bacb954
4 changed files with 242 additions and 0 deletions
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/* GStreamer
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* Copyright (C) 2023 Seungha Yang <seungha@centricular.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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#pragma once
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#include <gst/gst.h>
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#include <gst/codecs/gstcodecpicture.h>
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G_BEGIN_DECLS
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void gst_codec_picture_free (GstCodecPicture * picture);
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G_END_DECLS
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/* GStreamer
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* Copyright (C) 2023 Seungha Yang <seungha@centricular.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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#include "gstcodecpicture.h"
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#include "gstcodecpicture-private.h"
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void
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gst_codec_picture_free (GstCodecPicture * picture)
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{
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if (picture->notify)
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picture->notify (picture->user_data);
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if (picture->discont_state)
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gst_video_codec_state_unref (picture->discont_state);
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g_free (picture);
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}
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/**
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* gst_codec_picture_set_user_data:
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* @picture: a #GstCodecPicture
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* @user_data: (nullable): private data
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* @notify: (closure user_data): a #GDestroyNotify
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*
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* Sets @user_data on the picture and the #GDestroyNotify that will be called when
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* the picture is freed.
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*
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* If a @user_data was previously set, then the previous set @notify will be called
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* before the @user_data is replaced.
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*
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* Since: 1.24
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*/
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void
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gst_codec_picture_set_user_data (GstCodecPicture * picture, gpointer user_data,
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GDestroyNotify notify)
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{
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g_return_if_fail (picture);
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if (picture->notify)
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picture->notify (picture->user_data);
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picture->notify = notify;
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picture->user_data = user_data;
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}
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/**
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* gst_codec_picture_get_user_data:
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* @picture: a #GstCodecPicture
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*
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* Gets private data set on the picture via
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* gst_codec_picture_set_user_data() previously.
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*
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* Returns: (transfer none) (nullable): The previously set user_data
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*
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* Since: 1.24
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*/
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gpointer
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gst_codec_picture_get_user_data (GstCodecPicture * picture)
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{
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g_return_val_if_fail (picture, NULL);
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return picture->user_data;
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}
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/**
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* gst_codec_picture_set_discont_state:
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* @picture: a #GstCodecPicture
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* @discont_state: (transfer none) (allow-none): a #GstVideoCodecState
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*
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* Sets @discont_state to @picture
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*
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* Since: 1.24
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*/
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void
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gst_codec_picture_set_discont_state (GstCodecPicture * picture,
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GstVideoCodecState * discont_state)
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{
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g_return_if_fail (picture);
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g_clear_pointer (&picture->discont_state, gst_video_codec_state_unref);
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if (discont_state)
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picture->discont_state = gst_video_codec_state_ref (discont_state);
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}
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@ -0,0 +1,107 @@
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/* GStreamer
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* Copyright (C) 2023 Seungha Yang <seungha@centricular.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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#pragma once
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <gst/codecs/codecs-prelude.h>
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G_BEGIN_DECLS
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typedef struct _GstCodecPicture GstCodecPicture;
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#define GST_CODEC_PICTURE(p) ((GstCodecPicture *) p)
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/**
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* GST_CODEC_PICTURE_FRAME_NUMBER:
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* @picture: a #GstCodecPicture
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*
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* Gets access to the system_frame_number field of @picture
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*
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* Since: 1.24
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*/
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#define GST_CODEC_PICTURE_FRAME_NUMBER(picture) \
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GST_CODEC_PICTURE(picture)->system_frame_number
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/**
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* GST_CODEC_PICTURE_COPY_FRAME_NUMBER:
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* @dst: a #GstCodecPicture
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* @src: a #GstCodecPicture
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*
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* Copy system_frame_number of @src to @dst
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*
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* Since: 1.24
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*/
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#define GST_CODEC_PICTURE_COPY_FRAME_NUMBER(dst,src) G_STMT_START { \
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GST_CODEC_PICTURE(dst)->system_frame_number = \
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GST_CODEC_PICTURE(src)->system_frame_number; \
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} G_STMT_END
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/**
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* GstCodecPicture:
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*
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* Base struct for coded picture representation
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*
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* Since: 1.24
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*/
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struct _GstCodecPicture
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{
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/*< private >*/
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GstMiniObject parent;
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guint32 system_frame_number;
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GstVideoCodecState *discont_state;
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gpointer user_data;
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GDestroyNotify notify;
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gpointer _gst_reserved[GST_PADDING];
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};
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GST_CODECS_API
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void gst_codec_picture_set_user_data (GstCodecPicture * 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_codec_picture_get_user_data (GstCodecPicture * picture);
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GST_CODECS_API
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void gst_codec_picture_set_discont_state (GstCodecPicture * picture,
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GstVideoCodecState * discont_state);
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static inline GstCodecPicture *
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gst_codec_picture_ref (GstCodecPicture * picture)
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{
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return (GstCodecPicture *) gst_mini_object_ref ((GstMiniObject *) picture);
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}
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static inline void
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gst_codec_picture_unref (GstCodecPicture * picture)
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{
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gst_mini_object_unref ((GstMiniObject *) picture);
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}
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static inline void
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gst_clear_codec_picture (GstCodecPicture ** picture)
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{
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gst_clear_mini_object ((GstMiniObject **) picture);
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}
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G_END_DECLS
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@ -12,6 +12,7 @@ codecs_sources = files(
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'gstav1decoder.c',
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'gstav1picture.c',
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'gstvp9statefulparser.c',
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'gstcodecpicture.c',
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)
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codecs_headers = files(
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'gstav1decoder.h',
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'gstav1picture.h',
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'gstvp9statefulparser.h',
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'gstcodecpicture.h',
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)
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cp_args = [
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