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b33b88e4bb
This adds an h263parse element for parsing H.263 streams, breaking them up into frame-sized buffers, and exporting metadata such as profile and level. https://bugzilla.gnome.org/show_bug.cgi?id=622276
94 lines
2.9 KiB
C
94 lines
2.9 KiB
C
/* GStreamer H.263 Parser
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* Copyright (C) <2010> Arun Raghavan <arun.raghavan@collabora.co.uk>
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* Copyright (C) <2010> Edward Hervey <edward.hervey@collabora.co.uk>
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* Copyright (C) <2010> Collabora Multimedia
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* Copyright (C) <2010> Nokia Corporation
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*
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* Some bits C-c,C-v'ed and s/4/3 from h264parse:
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* (C) 2005 Michal Benes <michal.benes@itonis.tv>
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* (C) 2008 Wim Taymans <wim.taymans@gmail.com>
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* (C) 2009 Mark Nauwelaerts <mnauw users sf net>
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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_H263_PARSE_H__
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#define __GST_H263_PARSE_H__
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#include <gst/gst.h>
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#include <gst/base/gstadapter.h>
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#include "gstbaseparse.h"
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GST_DEBUG_CATEGORY_EXTERN (h263_parse_debug);
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#define GST_CAT_DEFAULT h263_parse_debug
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G_BEGIN_DECLS
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typedef enum
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{
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PARSING = 0,
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GOT_HEADER,
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PASSTHROUGH
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} H263ParseState;
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typedef struct _H263Params H263Params;
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#define GST_TYPE_H263PARSE \
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(gst_h263_parse_get_type())
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#define GST_H263PARSE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_H263PARSE,GstH263Parse))
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#define GST_H263PARSE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_H263PARSE,GstH263ParseClass))
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#define GST_IS_H263PARSE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_H263PARSE))
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#define GST_IS_H263PARSE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_H263PARSE))
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GType gst_h263_parse_get_type (void);
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typedef struct _GstH263Parse GstH263Parse;
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typedef struct _GstH263ParseClass GstH263ParseClass;
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struct _GstH263Parse
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{
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GstBaseParse baseparse;
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gint psc_pos;
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guint last_pos;
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gint profile, level;
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guint bitrate;
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H263ParseState state;
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};
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struct _GstH263ParseClass
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{
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GstBaseParseClass parent_class;
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};
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gboolean gst_h263_parse_is_delta_unit (H263Params * params);
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GstFlowReturn gst_h263_parse_get_params (GstH263Parse * h263parse,
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GstBuffer * buffer, H263Params ** params_p, gboolean fast);
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void gst_h263_parse_get_framerate (GstCaps * caps, H263Params * params,
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gint * num, gint * denom);
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void gst_h263_parse_set_src_caps (GstH263Parse * h263parse,
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H263Params * params);
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gint gst_h263_parse_get_profile (H263Params * params);
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gint gst_h263_parse_get_level (H263Params * params, gint profile,
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guint bitrate, gint fps_num, gint fps_denom);
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G_END_DECLS
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#endif
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