vfs: check userland buffers before reading them.
[haiku.git] / src / add-ons / media / plugins / asf_reader / asf_reader.h
blob15065ffd33d1cf81b8cb617d0136eb61d492743b
1 /*
2 * Copyright (c) 2005, David McPaul based on avi_reader copyright (c) 2004 Marcus Overhagen
3 * All rights reserved.
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
8 * * Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
18 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
19 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
21 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
22 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
23 * OF THE POSSIBILITY OF SUCH DAMAGE.
25 #ifndef _ASF_READER_H
26 #define _ASF_READER_H
28 #include "ReaderPlugin.h"
29 #include "ASFFileReader.h"
31 class asfReader : public Reader
33 public:
34 asfReader();
35 ~asfReader();
37 virtual const char* Copyright();
39 virtual status_t Sniff(int32 *streamCount);
41 virtual void GetFileFormatInfo(media_file_format *mff);
43 virtual status_t AllocateCookie(int32 streamNumber, void **cookie);
44 virtual status_t FreeCookie(void *cookie);
46 virtual status_t GetStreamInfo(void *cookie, int64 *frameCount, bigtime_t *duration,
47 media_format *format, const void **infoBuffer, size_t *infoSize);
49 virtual status_t Seek(void *cookie, uint32 flags,
50 int64 *frame, bigtime_t *time);
52 virtual status_t FindKeyFrame(void* cookie, uint32 flags,
53 int64* frame, bigtime_t* time);
55 virtual status_t GetNextChunk(void *cookie,
56 const void **chunkBuffer, size_t *chunkSize,
57 media_header *mediaHeader);
58 private:
59 ASFFileReader *theFileReader;
63 class asfReaderPlugin : public ReaderPlugin
65 public:
66 Reader *NewReader();
69 MediaPlugin *instantiate_plugin();
71 #endif