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6a763f6a47
Add some guards and fat warnings to the header files with still unstable API, so people who just look at the installed headers know that it actually is unstable API.
150 lines
4.2 KiB
C
150 lines
4.2 KiB
C
/* GStreamer
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* Copyright (C) 2008 David Schleef <ds@schleef.org>
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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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef _GST_BASE_VIDEO_CODEC_H_
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#define _GST_BASE_VIDEO_CODEC_H_
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#ifndef GST_USE_UNSTABLE_API
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#warning "GstBaseVideoCodec is unstable API and may change in future."
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#warning "You can define GST_USE_UNSTABLE_API to avoid this warning."
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#endif
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#include <gst/gst.h>
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#include <gst/video/gstbasevideoutils.h>
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G_BEGIN_DECLS
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#define GST_TYPE_BASE_VIDEO_CODEC \
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(gst_base_video_codec_get_type())
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#define GST_BASE_VIDEO_CODEC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASE_VIDEO_CODEC,GstBaseVideoCodec))
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#define GST_BASE_VIDEO_CODEC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASE_VIDEO_CODEC,GstBaseVideoCodecClass))
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#define GST_BASE_VIDEO_CODEC_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_BASE_VIDEO_CODEC,GstBaseVideoCodecClass))
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#define GST_IS_BASE_VIDEO_CODEC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASE_VIDEO_CODEC))
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#define GST_IS_BASE_VIDEO_CODEC_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASE_VIDEO_CODEC))
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/**
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* GST_BASE_VIDEO_CODEC_SINK_NAME:
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*
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* The name of the templates for the sink pad.
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*/
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#define GST_BASE_VIDEO_CODEC_SINK_NAME "sink"
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/**
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* GST_BASE_VIDEO_CODEC_SRC_NAME:
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*
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* The name of the templates for the source pad.
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*/
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#define GST_BASE_VIDEO_CODEC_SRC_NAME "src"
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/**
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* GST_BASE_VIDEO_CODEC_SRC_PAD:
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* @obj: base video codec instance
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*
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* Gives the pointer to the source #GstPad object of the element.
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*/
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#define GST_BASE_VIDEO_CODEC_SRC_PAD(obj) (((GstBaseVideoCodec *) (obj))->srcpad)
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/**
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* GST_BASE_VIDEO_CODEC_SINK_PAD:
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* @obj: base video codec instance
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*
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* Gives the pointer to the sink #GstPad object of the element.
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*/
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#define GST_BASE_VIDEO_CODEC_SINK_PAD(obj) (((GstBaseVideoCodec *) (obj))->sinkpad)
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/**
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* GST_BASE_VIDEO_CODEC_FLOW_NEED_DATA:
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*
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*/
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#define GST_BASE_VIDEO_CODEC_FLOW_NEED_DATA GST_FLOW_CUSTOM_SUCCESS
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typedef struct _GstBaseVideoCodec GstBaseVideoCodec;
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typedef struct _GstBaseVideoCodecClass GstBaseVideoCodecClass;
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struct _GstBaseVideoCodec
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{
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GstElement element;
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/*< private >*/
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GstPad *sinkpad;
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GstPad *srcpad;
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GstAdapter *input_adapter;
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GstAdapter *output_adapter;
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#if 0
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/* FIXME need to move from subclasses */
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GstVideoState state;
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#endif
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//int reorder_depth;
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//gboolean have_sync;
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//gboolean discont;
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//gboolean started;
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//GstVideoFrame *current_frame;
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//int distance_from_sync;
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//gboolean sink_clipping;
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//guint64 presentation_frame_number;
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guint64 system_frame_number;
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//GstCaps *caps;
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//gboolean set_output_caps;
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//GstClockTime buffer_timestamp;
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GstClockTime timestamp_offset;
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};
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struct _GstBaseVideoCodecClass
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{
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GstElementClass element_class;
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gboolean (*start) (GstBaseVideoCodec *codec);
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gboolean (*stop) (GstBaseVideoCodec *codec);
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gboolean (*reset) (GstBaseVideoCodec *codec);
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GstFlowReturn (*parse_data) (GstBaseVideoCodec *codec, gboolean at_eos);
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int (*scan_for_sync) (GstAdapter *adapter, gboolean at_eos,
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int offset, int n);
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GstFlowReturn (*shape_output) (GstBaseVideoCodec *codec, GstVideoFrame *frame);
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GstCaps *(*get_caps) (GstBaseVideoCodec *codec);
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};
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GType gst_base_video_codec_get_type (void);
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#if 0
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guint64 gst_base_video_codec_get_timestamp (GstBaseVideoCodec *codec,
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int picture_number);
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#endif
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GstVideoFrame * gst_base_video_codec_new_frame (GstBaseVideoCodec *base_video_codec);
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void gst_base_video_codec_free_frame (GstVideoFrame *frame);
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G_END_DECLS
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#endif
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