| /* GStreamer |
| * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu> |
| * Copyright (C) 2000,2005 Wim Taymans <wim@fluendo.com> |
| * Copyright (C) 2006 Tim-Philipp Müller <tim centricular net> |
| * |
| * gsttypefindhelper.h: |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public |
| * License along with this library; if not, write to the |
| * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #ifndef __GST_TYPEFINDHELPER_H__ |
| #define __GST_TYPEFINDHELPER_H__ |
| |
| #include <gst/gst.h> |
| |
| G_BEGIN_DECLS |
| |
| GstCaps * gst_type_find_helper (GstPad *src, guint64 size); |
| |
| GstCaps * gst_type_find_helper_for_data (GstObject *obj, |
| const guint8 *data, |
| gsize size, |
| GstTypeFindProbability *prob); |
| GstCaps * gst_type_find_helper_for_buffer (GstObject *obj, |
| GstBuffer *buf, |
| GstTypeFindProbability *prob); |
| |
| GstCaps * gst_type_find_helper_for_extension (GstObject * obj, |
| const gchar * extension); |
| |
| /** |
| * GstTypeFindHelperGetRangeFunction: |
| * @obj: a #GstObject that will handle the getrange request |
| * @parent: (allow-none): the parent of @obj or %NULL |
| * @offset: the offset of the range |
| * @length: the length of the range |
| * @buffer: a memory location to hold the result buffer |
| * |
| * This function will be called by gst_type_find_helper_get_range() when |
| * typefinding functions request to peek at the data of a stream at certain |
| * offsets. If this function returns GST_FLOW_OK, the result buffer will be |
| * stored in @buffer. The contents of @buffer is invalid for any other |
| * return value. |
| * |
| * This function is supposed to behave exactly like a #GstPadGetRangeFunction. |
| * |
| * Returns: GST_FLOW_OK for success |
| */ |
| typedef GstFlowReturn (*GstTypeFindHelperGetRangeFunction) (GstObject *obj, |
| GstObject *parent, |
| guint64 offset, |
| guint length, |
| GstBuffer **buffer); |
| |
| GstCaps * gst_type_find_helper_get_range (GstObject *obj, |
| GstObject *parent, |
| GstTypeFindHelperGetRangeFunction func, |
| guint64 size, |
| const gchar *extension, |
| GstTypeFindProbability *prob); |
| |
| G_END_DECLS |
| |
| #endif /* __GST_TYPEFINDHELPER_H__ */ |