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137 lines
4.3 KiB
C
137 lines
4.3 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_PARSE_H_
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#define _GST_BASE_VIDEO_PARSE_H_
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#include <gst/video/gstbasevideocodec.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_PARSE \
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(gst_base_video_parse_get_type())
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#define GST_BASE_VIDEO_PARSE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASE_VIDEO_PARSE,GstBaseVideoParse))
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#define GST_BASE_VIDEO_PARSE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASE_VIDEO_PARSE,GstBaseVideoParseClass))
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#define GST_BASE_VIDEO_PARSE_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_BASE_VIDEO_PARSE,GstBaseVideoParseClass))
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#define GST_IS_BASE_VIDEO_PARSE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASE_VIDEO_PARSE))
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#define GST_IS_BASE_VIDEO_PARSE_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASE_VIDEO_PARSE))
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/**
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* GST_BASE_VIDEO_PARSE_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_PARSE_SINK_NAME "sink"
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/**
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* GST_BASE_VIDEO_PARSE_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_PARSE_SRC_NAME "src"
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/**
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* GST_BASE_VIDEO_PARSE_FLOW_NEED_DATA:
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*
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*/
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#define GST_BASE_VIDEO_PARSE_FLOW_NEED_DATA GST_FLOW_CUSTOM_SUCCESS
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typedef struct _GstBaseVideoParse GstBaseVideoParse;
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typedef struct _GstBaseVideoParseClass GstBaseVideoParseClass;
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struct _GstBaseVideoParse
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{
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GstBaseVideoCodec base_video_codec;
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/*< private >*/
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GstAdapter *input_adapter;
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GstAdapter *output_adapter;
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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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GstVideoState state;
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GstSegment segment;
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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 last_timestamp;
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gint64 timestamp_offset;
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};
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struct _GstBaseVideoParseClass
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{
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GstBaseVideoCodecClass base_video_codec_class;
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gboolean (*start) (GstBaseVideoParse *parse);
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gboolean (*stop) (GstBaseVideoParse *parse);
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gboolean (*reset) (GstBaseVideoParse *parse);
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GstFlowReturn (*parse_data) (GstBaseVideoParse *parse, 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) (GstBaseVideoParse *parse, GstVideoFrame *frame);
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GstCaps *(*get_caps) (GstBaseVideoParse *parse);
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};
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GType gst_base_video_parse_get_type (void);
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int gst_base_video_parse_get_width (GstBaseVideoParse *parse);
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int gst_base_video_parse_get_height (GstBaseVideoParse *parse);
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GstVideoState *gst_base_video_parse_get_state (GstBaseVideoParse *parse);
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void gst_base_video_parse_set_state (GstBaseVideoParse *parse,
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GstVideoState *state);
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guint64 gst_base_video_parse_get_timestamp_offset (GstBaseVideoParse *parse);
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gboolean gst_base_video_parse_set_src_caps (GstBaseVideoParse *base_video_parse, GstCaps *caps);
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GstFlowReturn gst_base_video_parse_end_of_stream (GstBaseVideoParse *base_video_parse,
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GstBuffer *buffer);
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void gst_base_video_parse_lost_sync (GstBaseVideoParse *base_video_parse);
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GstVideoFrame * gst_base_video_parse_get_frame (GstBaseVideoParse *base_video_parse);
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void gst_base_video_parse_add_to_frame (GstBaseVideoParse *base_video_parse, int n_bytes);
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GstFlowReturn gst_base_video_parse_finish_frame (GstBaseVideoParse *base_video_parse);
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void gst_base_video_parse_set_sync_point (GstBaseVideoParse *base_video_parse);
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GstFlowReturn gst_base_video_parse_push (GstBaseVideoParse *base_video_parse,
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GstBuffer *buffer);
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G_END_DECLS
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#endif
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