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99ec53073a
Without a parent class,the documentation would need to be duplicated for every CODECs. This patch adds an abstract class in between GstVideoDecoder and the element. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3311>
113 lines
3.2 KiB
C
113 lines
3.2 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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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_FFMPEGVIDDEC_H__
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#define __GST_FFMPEGVIDDEC_H__
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <libavcodec/avcodec.h>
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G_BEGIN_DECLS
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#define GST_TYPE_FFMPEGVIDDEC (gst_ffmpegviddec_get_type())
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#define GST_FFMPEGVIDDEC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_FFMPEGVIDDEC,GstFFMpegVidDec))
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#define GST_FFMPEGVIDDEC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_FFMPEGVIDDEC,GstFFMpegVidDecClass))
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#define GST_FFMPEGVIDDEC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_FFMPEGVIDDEC, GstFFMpegVidDecClass))
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#define GST_IS_FFMPEGVIDDEC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_FFMPEGVIDDEC))
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#define GST_IS_FFMPEGVIDDEC_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FFMPEGVIDDEC))
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/**
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* GstFFMpegVidDec:
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*
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* The #GstFFMpegVidDec data structure.
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*
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* Since: 1.22
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*/
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typedef struct _GstFFMpegVidDec GstFFMpegVidDec;
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struct _GstFFMpegVidDec
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{
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GstVideoDecoder parent;
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GstVideoCodecState *input_state;
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GstVideoCodecState *output_state;
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/* decoding */
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AVCodecContext *context;
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AVFrame *picture;
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GstVideoMultiviewMode picture_multiview_mode;
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GstVideoMultiviewFlags picture_multiview_flags;
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gint stride[AV_NUM_DATA_POINTERS];
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gboolean opened;
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/* current output pictures */
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enum AVPixelFormat pic_pix_fmt;
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gint pic_width;
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gint pic_height;
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gint pic_par_n;
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gint pic_par_d;
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gint pic_interlaced;
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/* GST_VIDEO_BUFFER_FLAG_RFF | GST_VIDEO_BUFFER_FLAG_TFF */
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gint pic_field_order;
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gboolean pic_field_order_changed;
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GstVideoMultiviewMode cur_multiview_mode;
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GstVideoMultiviewFlags cur_multiview_flags;
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/* current context */
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gint ctx_ticks;
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gint ctx_time_d;
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gint ctx_time_n;
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GstBuffer *palette;
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guint8 *padded;
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gint padded_size;
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/* some properties */
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enum AVDiscard skip_frame;
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gint lowres;
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gboolean direct_rendering;
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int max_threads;
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gboolean output_corrupt;
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guint thread_type;
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GstAvCodecCompliance std_compliance;
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GstCaps *last_caps;
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/* Internally used for direct rendering */
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GstBufferPool *internal_pool;
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gint pool_width;
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gint pool_height;
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enum AVPixelFormat pool_format;
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GstVideoInfo pool_info;
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};
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typedef struct _GstFFMpegVidDecClass GstFFMpegVidDecClass;
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struct _GstFFMpegVidDecClass
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{
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GstVideoDecoderClass parent_class;
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const AVCodec *in_plugin;
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};
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GType gst_ffmpegviddec_get_type (void);
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G_END_DECLS
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#endif
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