author | hgs |
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/* GStreamer |
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu> |
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* Copyright (C) 2000,2005 Wim Taymans <wim@fluendo.com> |
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* Copyright (C) 2006 Tim-Philipp Müller <tim centricular net> |
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* |
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* gsttypefindhelper.h: |
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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_TYPEFINDHELPER_H__ |
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#define __GST_TYPEFINDHELPER_H__ |
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#include <gst/gst.h> |
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G_BEGIN_DECLS |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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GstCaps * gst_type_find_helper (GstPad *src, guint64 size); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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GstCaps * gst_type_find_helper_for_buffer (GstObject *obj, |
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GstBuffer *buf, |
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GstTypeFindProbability *prob); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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GstCaps * gst_type_find_helper_for_extension (GstObject * obj, |
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const gchar * extension); |
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/** |
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* GstTypeFindHelperGetRangeFunction: |
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* @obj: a #GstObject that will handle the getrange request |
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* @offset: the offset of the range |
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* @length: the length of the range |
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* @buffer: a memory location to hold the result buffer |
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* |
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* This function will be called by gst_type_find_helper_get_range() when |
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* typefinding functions request to peek at the data of a stream at certain |
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* offsets. If this function returns GST_FLOW_OK, the result buffer will be |
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* stored in @buffer. The contents of @buffer is invalid for any other |
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* return value. |
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* |
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* This function is supposed to behave exactly like a #GstPadGetRangeFunction. |
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* |
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* Returns: GST_FLOW_OK for success |
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*/ |
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typedef GstFlowReturn (*GstTypeFindHelperGetRangeFunction) (GstObject *obj, |
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guint64 offset, |
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guint length, |
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GstBuffer **buffer); |
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#ifdef __SYMBIAN32__ |
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IMPORT_C |
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#endif |
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GstCaps * gst_type_find_helper_get_range (GstObject * obj, |
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GstTypeFindHelperGetRangeFunction func, |
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guint64 size, |
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GstTypeFindProbability *prob); |
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G_END_DECLS |
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#endif /* __GST_TYPEFINDHELPER_H__ */ |