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1/*
2This file is part of Darling.
3
4Copyright (C) 2020 Lubos Dolezel
5
6Darling is free software: you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation, either version 3 of the License, or
9(at your option) any later version.
10
11Darling is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with Darling. If not, see <http://www.gnu.org/licenses/>.
18*/
19
20#ifndef _AUDIO_FILE_FORMAT_GENERIC_H
21#define _AUDIO_FILE_FORMAT_GENERIC_H
22#include "AudioFileFormat.h"
23
24class AudioFileFormatGeneric : public AudioFileFormat
25{
26public:
27 AudioFileFormatGeneric(UInt32 inFileType, const char* avformatShortName);
28 Boolean ExtensionIsThisFormat(CFStringRef inExtension) override;
29 void GetExtensions(CFArrayRef *outArray) override;
30 void GetUTIs(CFArrayRef *outArray) override;
31 void GetMIMETypes(CFArrayRef *outArray) override;
32 void GetFileTypeName(CFStringRef *outName) override;
33 UncertainResult FileDataIsThisFormat(UInt32 inDataByteSize, const void* inData) override;
34
35 AudioFileObject* New() override;
36 AudioFileStreamObject* NewStream() override { return NULL; }
37
38 // File format -> data formats
39 // https://developer.apple.com/library/archive/documentation/MusicAudio/Conceptual/CoreAudioOverview/SupportedAudioFormatsMacOSX/SupportedAudioFormatsMacOSX.html
40 OSStatus GetAvailableFormatIDs(UInt32* ioDataSize, void* outPropertyData) override;
41
42 OSStatus GetAvailableStreamDescriptions(UInt32 inFormatID, UInt32* ioDataSize, void* outPropertyData) override;
43private:
44 static CFArrayRef toCFArray(const std::vector<const char*>& array);
45protected:
46 struct Format : public AudioStreamBasicDescription
47 {
48 Format(UInt32 formatID) { mFormatID = formatID; }
49 Format(UInt32 formatID, UInt32 formatFlags, UInt32 bitsPerChannel) { mFormatID = formatID; mFormatFlags = formatFlags; mBitsPerChannel = bitsPerChannel; }
50 Format() {}
51 };
52 struct Description
53 {
54 const char* name;
55 std::vector<const char*> extensions;
56 std::vector<const char*> utis;
57 std::vector<const char*> mimeTypes;
58 std::vector<Format> formats;
59 };
60 virtual const Description& description() const = 0;
61private:
62 const char* m_avformatShortName;
63};
64
65#endif
66