1 /* GStreamer 2 * Copyright (C) 2006 Sjoerd Simons <sjoerd@luon.net> 3 * Copyright (C) 2004 Wim Taymans <wim@fluendo.com> 4 * 5 * gstmultipartdemux.h: multipart stream demuxer 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Library General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Library General Public License for more details. 16 * 17 * You should have received a copy of the GNU Library General Public 18 * License along with this library; if not, write to the 19 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 20 * Boston, MA 02110-1301, USA. 21 */ 22 23 #ifndef __GST_MULTIPART_DEMUX__ 24 #define __GST_MULTIPART_DEMUX__ 25 26 #include <gst/gst.h> 27 #include <gst/base/gstadapter.h> 28 29 #include <string.h> 30 31 G_BEGIN_DECLS 32 33 #define GST_TYPE_MULTIPART_DEMUX (gst_multipart_demux_get_type()) 34 #define GST_MULTIPART_DEMUX(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MULTIPART_DEMUX, GstMultipartDemux)) 35 #define GST_MULTIPART_DEMUX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MULTIPART_DEMUX, GstMultipartDemux)) 36 #define GST_MULTIPART_DEMUX_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_MULTIPART_DEMUX, GstMultipartDemuxClass)) 37 #define GST_IS_MULTIPART_DEMUX(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MULTIPART_DEMUX)) 38 #define GST_IS_MULTIPART_DEMUX_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MULTIPART_DEMUX)) 39 40 typedef struct _GstMultipartDemux GstMultipartDemux; 41 typedef struct _GstMultipartDemuxClass GstMultipartDemuxClass; 42 43 #define MULTIPART_NEED_MORE_DATA -1 44 #define MULTIPART_DATA_ERROR -2 45 #define MULTIPART_DATA_EOS -3 46 47 /* all information needed for one multipart stream */ 48 typedef struct 49 { 50 GstPad *pad; /* reference for this pad is held by element we belong to */ 51 52 gchar *mime; 53 54 GstClockTime last_ts; /* last timestamp to make sure we don't send 55 * two buffers with the same timestamp */ 56 GstFlowReturn last_ret; 57 58 gboolean discont; 59 } 60 GstMultipartPad; 61 62 /** 63 * GstMultipartDemux: 64 * 65 * The opaque #GstMultipartDemux structure. 66 */ 67 struct _GstMultipartDemux 68 { 69 GstElement element; 70 71 /* pad */ 72 GstPad *sinkpad; 73 74 GSList *srcpads; 75 guint numpads; 76 77 GstAdapter *adapter; 78 79 /* Header information of the current frame */ 80 gboolean header_completed; 81 gchar *boundary; 82 guint boundary_len; 83 gchar *mime_type; 84 gint content_length; 85 86 /* Index inside the current data when manually looking for the boundary */ 87 gint scanpos; 88 89 gboolean singleStream; 90 91 /* to handle stream-start */ 92 gboolean have_group_id; 93 guint group_id; 94 }; 95 96 struct _GstMultipartDemuxClass 97 { 98 GstElementClass parent_class; 99 100 GHashTable *gstnames; 101 }; 102 103 GType gst_multipart_demux_get_type (void); 104 105 gboolean gst_multipart_demux_plugin_init (GstPlugin * plugin); 106 107 G_END_DECLS 108 109 #endif /* __GST_MULTIPART_DEMUX__ */ 110 111