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Original commit message from CVS: * configure.ac: * docs/plugins/gst-plugins-good-plugins-sections.txt: * ext/Makefile.am: * ext/annodex/Makefile.am: * ext/annodex/gstannodex.c: * ext/annodex/gstannodex.h: * ext/annodex/gstcmmldec.c: * ext/annodex/gstcmmldec.h: * ext/annodex/gstcmmlenc.c: * ext/annodex/gstcmmlenc.h: * ext/annodex/gstcmmlparser.c: * ext/annodex/gstcmmlparser.h: * ext/annodex/gstcmmltag.c: * ext/annodex/gstcmmltag.h: * ext/annodex/gstcmmlutils.c: * ext/annodex/gstcmmlutils.h: * ext/annodex/gstskeldec.c: * ext/annodex/gstskeldec.h: * ext/annodex/gstskeltag.c: * ext/annodex/gstskeltag.h: * tests/check/Makefile.am: * tests/check/elements/cmmldec.c: * tests/check/elements/cmmlenc.c: * tests/check/elements/skeldec.c: Add Annodex elements from Alessendro Decina: skeleton and CMML. Includes tests & docs, oh my! Passes Thomas's -good checklist entirely. Wow.
565 lines
18 KiB
C
565 lines
18 KiB
C
/*
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* gstcmmltags.c - GStreamer CMML tag support
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* Copyright (C) 2005 Alessandro Decina
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*
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* Authors:
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* Alessandro Decina <alessandro@nnva.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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <string.h>
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#include "gstcmmlparser.h"
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#include "gstcmmltag.h"
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#include "gstannodex.h"
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enum
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{
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ARG_0,
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GST_CMML_TAG_STREAM_TIMEBASE,
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GST_CMML_TAG_STREAM_UTC,
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GST_CMML_TAG_STREAM_IMPORTS,
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GST_CMML_TAG_HEAD_TITLE,
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GST_CMML_TAG_HEAD_BASE,
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GST_CMML_TAG_HEAD_META,
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GST_CMML_TAG_CLIP_EMPTY,
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GST_CMML_TAG_CLIP_ID,
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GST_CMML_TAG_CLIP_TRACK,
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GST_CMML_TAG_CLIP_START_TIME,
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GST_CMML_TAG_CLIP_END_TIME,
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GST_CMML_TAG_CLIP_ANCHOR_HREF,
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GST_CMML_TAG_CLIP_ANCHOR_TEXT,
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GST_CMML_TAG_CLIP_IMG_SRC,
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GST_CMML_TAG_CLIP_IMG_ALT,
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GST_CMML_TAG_CLIP_DESC_TEXT,
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GST_CMML_TAG_CLIP_META,
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};
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G_DEFINE_TYPE (GstCmmlTagStream, gst_cmml_tag_stream, G_TYPE_OBJECT);
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static void gst_cmml_tag_stream_finalize (GObject * object);
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static void gst_cmml_tag_stream_set_property (GObject * object,
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guint property_id, const GValue * value, GParamSpec * pspec);
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static void gst_cmml_tag_stream_get_property (GObject * object,
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guint property_id, GValue * value, GParamSpec * pspec);
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static void gst_cmml_tag_stream_value_from_string_value (const GValue * src,
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GValue * dest);
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G_DEFINE_TYPE (GstCmmlTagHead, gst_cmml_tag_head, G_TYPE_OBJECT);
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static void gst_cmml_tag_head_finalize (GObject * object);
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static void gst_cmml_tag_head_set_property (GObject * object, guint property_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_cmml_tag_head_get_property (GObject * object, guint property_id,
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GValue * value, GParamSpec * pspec);
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static void gst_cmml_tag_head_value_from_string_value (const GValue * src,
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GValue * dest);
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G_DEFINE_TYPE (GstCmmlTagClip, gst_cmml_tag_clip, G_TYPE_OBJECT);
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static void gst_cmml_tag_clip_finalize (GObject * object);
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static void gst_cmml_tag_clip_set_property (GObject * object, guint property_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_cmml_tag_clip_get_property (GObject * object, guint property_id,
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GValue * value, GParamSpec * pspec);
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static void gst_cmml_tag_clip_value_from_string_value (const GValue * src,
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GValue * dest);
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static void set_object_on_value (GObject * object, GValue * dest);
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static const gchar *default_preamble =
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"<?xml version=\"1.0\" standalone=\"yes\"?>";
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/* Stream tag */
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static void
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gst_cmml_tag_stream_class_init (GstCmmlTagStreamClass * stream_class)
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{
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GObjectClass *klass = G_OBJECT_CLASS (stream_class);
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klass->set_property = gst_cmml_tag_stream_set_property;
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klass->get_property = gst_cmml_tag_stream_get_property;
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klass->finalize = gst_cmml_tag_stream_finalize;
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g_object_class_install_property (klass, GST_CMML_TAG_STREAM_TIMEBASE,
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g_param_spec_string ("base-time",
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"Base time",
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"Playback time (in seconds) of the first data packet",
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"0", G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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g_object_class_install_property (klass, GST_CMML_TAG_STREAM_UTC,
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g_param_spec_string ("calendar-base-time",
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"Calendar base time",
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"Date and wall-clock time (expressed as UTC time in the format "
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"YYYYMMDDTHHMMSS.sssZ) associated with the base-time",
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NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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g_object_class_install_property (klass, GST_CMML_TAG_STREAM_IMPORTS,
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g_param_spec_value_array ("input-streams",
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"Input streams",
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"List of input streams that compose this bitstream",
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NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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g_value_register_transform_func (G_TYPE_STRING, GST_TYPE_CMML_TAG_STREAM,
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gst_cmml_tag_stream_value_from_string_value);
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}
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static void
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gst_cmml_tag_stream_init (GstCmmlTagStream * stream)
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{
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}
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static void
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gst_cmml_tag_stream_finalize (GObject * object)
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{
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GstCmmlTagStream *stream = GST_CMML_TAG_STREAM (object);
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g_free (stream->timebase);
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g_free (stream->utc);
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if (stream->imports)
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g_value_array_free (stream->imports);
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if (G_OBJECT_CLASS (gst_cmml_tag_stream_parent_class)->finalize)
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G_OBJECT_CLASS (gst_cmml_tag_stream_parent_class)->finalize (object);
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}
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static void
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gst_cmml_tag_stream_set_property (GObject * object, guint property_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstCmmlTagStream *stream = GST_CMML_TAG_STREAM (object);
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switch (property_id) {
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case GST_CMML_TAG_STREAM_TIMEBASE:
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g_free (stream->timebase);
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stream->timebase = (guchar *) g_value_dup_string (value);
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break;
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case GST_CMML_TAG_STREAM_UTC:
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g_free (stream->utc);
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stream->utc = (guchar *) g_value_dup_string (value);
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break;
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case GST_CMML_TAG_STREAM_IMPORTS:
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{
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GValueArray *va = g_value_get_boxed (value);
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if (stream->imports)
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g_value_array_free (stream->imports);
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stream->imports = va != NULL ? g_value_array_copy (va) : NULL;
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break;
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}
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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}
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}
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static void
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gst_cmml_tag_stream_value_from_string_value (const GValue * src, GValue * dest)
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{
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GstCmmlParser *parser;
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const gchar *str;
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guint size;
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parser = gst_cmml_parser_new (GST_CMML_PARSER_DECODE);
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parser->user_data = dest;
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parser->stream_callback = (GstCmmlParserStreamCallback) set_object_on_value;
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gst_cmml_parser_parse_chunk (parser,
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default_preamble, strlen (default_preamble), NULL);
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str = g_value_get_string (src);
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size = strlen (str);
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gst_cmml_parser_parse_chunk (parser, str, size, NULL);
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gst_cmml_parser_free (parser);
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}
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static void
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gst_cmml_tag_stream_get_property (GObject * object, guint property_id,
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GValue * value, GParamSpec * pspec)
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{
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GstCmmlTagStream *stream = GST_CMML_TAG_STREAM (object);
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switch (property_id) {
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case GST_CMML_TAG_STREAM_TIMEBASE:
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g_value_set_string (value, (gchar *) stream->timebase);
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break;
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case GST_CMML_TAG_STREAM_UTC:
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g_value_set_string (value, (gchar *) stream->utc);
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break;
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case GST_CMML_TAG_STREAM_IMPORTS:
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g_value_set_boxed (value, stream->imports);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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}
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}
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/* Head tag */
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static void
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gst_cmml_tag_head_class_init (GstCmmlTagHeadClass * head_class)
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{
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GObjectClass *klass = G_OBJECT_CLASS (head_class);
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klass->set_property = gst_cmml_tag_head_set_property;
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klass->get_property = gst_cmml_tag_head_get_property;
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klass->finalize = gst_cmml_tag_head_finalize;
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g_object_class_install_property (klass, GST_CMML_TAG_HEAD_TITLE,
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g_param_spec_string ("title",
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"Title",
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"Title of the bitstream",
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NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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g_object_class_install_property (klass, GST_CMML_TAG_HEAD_BASE,
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g_param_spec_string ("base-uri",
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"Base URI",
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"Base URI of the bitstream. All relative URIs are relative to this",
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NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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g_object_class_install_property (klass, GST_CMML_TAG_HEAD_META,
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g_param_spec_value_array ("meta",
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"Meta annotations",
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"Meta annotations for the complete Annodex bitstream",
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NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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g_value_register_transform_func (G_TYPE_STRING, GST_TYPE_CMML_TAG_HEAD,
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gst_cmml_tag_head_value_from_string_value);
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}
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static void
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gst_cmml_tag_head_init (GstCmmlTagHead * head)
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{
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}
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static void
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gst_cmml_tag_head_finalize (GObject * object)
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{
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GstCmmlTagHead *head = GST_CMML_TAG_HEAD (object);
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g_free (head->title);
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g_free (head->base);
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if (head->meta)
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g_value_array_free (head->meta);
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if (G_OBJECT_CLASS (gst_cmml_tag_head_parent_class)->finalize)
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G_OBJECT_CLASS (gst_cmml_tag_head_parent_class)->finalize (object);
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}
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static void
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gst_cmml_tag_head_set_property (GObject * object, guint property_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstCmmlTagHead *head = GST_CMML_TAG_HEAD (object);
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switch (property_id) {
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case GST_CMML_TAG_HEAD_TITLE:
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g_free (head->title);
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head->title = (guchar *) g_value_dup_string (value);
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break;
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case GST_CMML_TAG_HEAD_BASE:
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g_free (head->base);
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head->base = (guchar *) g_value_dup_string (value);
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break;
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case GST_CMML_TAG_HEAD_META:
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{
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GValueArray *va = g_value_get_boxed (value);
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if (head->meta)
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g_value_array_free (head->meta);
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head->meta = va != NULL ? g_value_array_copy (va) : NULL;
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break;
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}
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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}
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}
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static void
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gst_cmml_tag_head_get_property (GObject * object, guint property_id,
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GValue * value, GParamSpec * pspec)
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{
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GstCmmlTagHead *head = GST_CMML_TAG_HEAD (object);
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switch (property_id) {
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case GST_CMML_TAG_HEAD_TITLE:
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g_value_set_string (value, (gchar *) head->title);
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break;
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case GST_CMML_TAG_HEAD_BASE:
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g_value_set_string (value, (gchar *) head->base);
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break;
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case GST_CMML_TAG_HEAD_META:
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g_value_set_boxed (value, head->meta);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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}
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}
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static void
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gst_cmml_tag_head_value_from_string_value (const GValue * src, GValue * dest)
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{
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GstCmmlParser *parser;
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const gchar *str;
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guint size;
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parser = gst_cmml_parser_new (GST_CMML_PARSER_DECODE);
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parser->user_data = dest;
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parser->head_callback = (GstCmmlParserHeadCallback) set_object_on_value;
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gst_cmml_parser_parse_chunk (parser,
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default_preamble, strlen (default_preamble), NULL);
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str = g_value_get_string (src);
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size = strlen (str);
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gst_cmml_parser_parse_chunk (parser, str, size, NULL);
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gst_cmml_parser_free (parser);
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}
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/* Clip tag */
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static void
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gst_cmml_tag_clip_class_init (GstCmmlTagClipClass * clip_class)
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{
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GObjectClass *klass = G_OBJECT_CLASS (clip_class);
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klass->set_property = gst_cmml_tag_clip_set_property;
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klass->get_property = gst_cmml_tag_clip_get_property;
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klass->finalize = gst_cmml_tag_clip_finalize;
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g_object_class_install_property (klass, GST_CMML_TAG_CLIP_EMPTY,
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g_param_spec_boolean ("empty",
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"Empty clip flag",
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"An empty clip only marks the end of the previous clip",
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TRUE, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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g_object_class_install_property (klass, GST_CMML_TAG_CLIP_ID,
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g_param_spec_string ("id",
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"Clip id",
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"Id of the clip", NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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g_object_class_install_property (klass, GST_CMML_TAG_CLIP_TRACK,
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g_param_spec_string ("track",
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"Track number",
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"The track this clip belongs to",
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"default", G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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g_object_class_install_property (klass, GST_CMML_TAG_CLIP_START_TIME,
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g_param_spec_uint64 ("start-time",
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"Start time",
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"The start time (in seconds) of the clip",
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0, G_MAXUINT64, GST_CLOCK_TIME_NONE,
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G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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g_object_class_install_property (klass, GST_CMML_TAG_CLIP_END_TIME,
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g_param_spec_uint64 ("end-time",
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"End time",
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"The end time (in seconds) of the clip (only set if extract-mode=true)",
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0, G_MAXUINT64, GST_CLOCK_TIME_NONE,
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G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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g_object_class_install_property (klass, GST_CMML_TAG_CLIP_ANCHOR_HREF,
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g_param_spec_string ("anchor-uri",
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"Anchor URI",
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"The location of a Web resource closely connected to the clip",
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NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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g_object_class_install_property (klass, GST_CMML_TAG_CLIP_ANCHOR_TEXT,
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g_param_spec_string ("anchor-text",
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"Anchor text",
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"A short description of the resource pointed by anchor-uri",
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NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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g_object_class_install_property (klass, GST_CMML_TAG_CLIP_IMG_SRC,
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g_param_spec_string ("img-uri",
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"Image URI",
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"The URI of a representative image for the clip",
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NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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g_object_class_install_property (klass, GST_CMML_TAG_CLIP_IMG_ALT,
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g_param_spec_string ("img-alt",
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"Image alternative text",
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"Alternative text to be displayed instead of the image "
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"specified in img-uri", NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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g_object_class_install_property (klass, GST_CMML_TAG_CLIP_DESC_TEXT,
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g_param_spec_string ("description",
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"Description",
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"A textual description of the content of the clip",
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NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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g_object_class_install_property (klass, GST_CMML_TAG_CLIP_META,
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g_param_spec_value_array ("meta",
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"Meta annotations",
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"Meta annotations for the clip",
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NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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g_value_register_transform_func (G_TYPE_STRING, GST_TYPE_CMML_TAG_CLIP,
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gst_cmml_tag_clip_value_from_string_value);
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}
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static void
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gst_cmml_tag_clip_init (GstCmmlTagClip * clip)
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{
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}
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static void
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gst_cmml_tag_clip_finalize (GObject * object)
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{
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GstCmmlTagClip *clip = GST_CMML_TAG_CLIP (object);
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g_free (clip->id);
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g_free (clip->track);
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g_free (clip->anchor_href);
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g_free (clip->anchor_text);
|
|
g_free (clip->img_src);
|
|
g_free (clip->img_alt);
|
|
g_free (clip->desc_text);
|
|
if (clip->meta)
|
|
g_value_array_free (clip->meta);
|
|
|
|
if (G_OBJECT_CLASS (gst_cmml_tag_clip_parent_class)->finalize)
|
|
G_OBJECT_CLASS (gst_cmml_tag_clip_parent_class)->finalize (object);
|
|
}
|
|
|
|
static void
|
|
gst_cmml_tag_clip_set_property (GObject * object, guint property_id,
|
|
const GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstCmmlTagClip *clip = GST_CMML_TAG_CLIP (object);
|
|
|
|
switch (property_id) {
|
|
case GST_CMML_TAG_CLIP_EMPTY:
|
|
clip->empty = g_value_get_boolean (value);
|
|
break;
|
|
case GST_CMML_TAG_CLIP_ID:
|
|
g_free (clip->id);
|
|
clip->id = (guchar *) g_value_dup_string (value);
|
|
break;
|
|
case GST_CMML_TAG_CLIP_TRACK:
|
|
g_free (clip->track);
|
|
clip->track = (guchar *) g_value_dup_string (value);
|
|
break;
|
|
case GST_CMML_TAG_CLIP_START_TIME:
|
|
clip->start_time = g_value_get_uint64 (value);
|
|
break;
|
|
case GST_CMML_TAG_CLIP_END_TIME:
|
|
clip->end_time = g_value_get_uint64 (value);
|
|
break;
|
|
case GST_CMML_TAG_CLIP_ANCHOR_HREF:
|
|
g_free (clip->anchor_href);
|
|
clip->anchor_href = (guchar *) g_value_dup_string (value);
|
|
break;
|
|
case GST_CMML_TAG_CLIP_ANCHOR_TEXT:
|
|
g_free (clip->anchor_text);
|
|
clip->anchor_text = (guchar *) g_value_dup_string (value);
|
|
break;
|
|
case GST_CMML_TAG_CLIP_IMG_SRC:
|
|
g_free (clip->img_src);
|
|
clip->img_src = (guchar *) g_value_dup_string (value);
|
|
break;
|
|
case GST_CMML_TAG_CLIP_IMG_ALT:
|
|
g_free (clip->img_alt);
|
|
clip->img_alt = (guchar *) g_value_dup_string (value);
|
|
break;
|
|
case GST_CMML_TAG_CLIP_DESC_TEXT:
|
|
g_free (clip->desc_text);
|
|
clip->desc_text = (guchar *) g_value_dup_string (value);
|
|
break;
|
|
case GST_CMML_TAG_CLIP_META:
|
|
{
|
|
GValueArray *va = (GValueArray *) g_value_get_boxed (value);
|
|
|
|
if (clip->meta)
|
|
g_value_array_free (clip->meta);
|
|
|
|
clip->meta = va != NULL ? g_value_array_copy (va) : NULL;
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_cmml_tag_clip_get_property (GObject * object, guint property_id,
|
|
GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstCmmlTagClip *clip = GST_CMML_TAG_CLIP (object);
|
|
|
|
switch (property_id) {
|
|
case GST_CMML_TAG_CLIP_EMPTY:
|
|
g_value_set_boolean (value, clip->empty);
|
|
break;
|
|
case GST_CMML_TAG_CLIP_ID:
|
|
g_value_set_string (value, (gchar *) clip->id);
|
|
break;
|
|
case GST_CMML_TAG_CLIP_TRACK:
|
|
g_value_set_string (value, (gchar *) clip->track);
|
|
break;
|
|
case GST_CMML_TAG_CLIP_START_TIME:
|
|
g_value_set_uint64 (value, clip->start_time);
|
|
break;
|
|
case GST_CMML_TAG_CLIP_END_TIME:
|
|
g_value_set_uint64 (value, clip->end_time);
|
|
break;
|
|
case GST_CMML_TAG_CLIP_ANCHOR_HREF:
|
|
g_value_set_string (value, (gchar *) clip->anchor_href);
|
|
break;
|
|
case GST_CMML_TAG_CLIP_ANCHOR_TEXT:
|
|
g_value_set_string (value, (gchar *) clip->anchor_text);
|
|
break;
|
|
case GST_CMML_TAG_CLIP_IMG_SRC:
|
|
g_value_set_string (value, (gchar *) clip->img_src);
|
|
break;
|
|
case GST_CMML_TAG_CLIP_IMG_ALT:
|
|
g_value_set_string (value, (gchar *) clip->img_alt);
|
|
break;
|
|
case GST_CMML_TAG_CLIP_DESC_TEXT:
|
|
g_value_set_string (value, (gchar *) clip->desc_text);
|
|
break;
|
|
case GST_CMML_TAG_CLIP_META:
|
|
g_value_set_boxed (value, clip->meta);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_cmml_tag_clip_value_from_string_value (const GValue * src, GValue * dest)
|
|
{
|
|
GstCmmlParser *parser;
|
|
const gchar *str;
|
|
guint size;
|
|
|
|
parser = gst_cmml_parser_new (GST_CMML_PARSER_DECODE);
|
|
parser->user_data = dest;
|
|
parser->clip_callback = (GstCmmlParserClipCallback) set_object_on_value;
|
|
|
|
gst_cmml_parser_parse_chunk (parser, default_preamble,
|
|
strlen (default_preamble), NULL);
|
|
|
|
str = g_value_get_string (src);
|
|
size = strlen (str);
|
|
|
|
gst_cmml_parser_parse_chunk (parser, str, size, NULL);
|
|
|
|
gst_cmml_parser_free (parser);
|
|
}
|
|
|
|
static void
|
|
set_object_on_value (GObject * tag, GValue * dest)
|
|
{
|
|
g_value_take_object (dest, tag);
|
|
}
|