| 1 | /** |
| 2 | * Copyright (c) 2006-2023 LOVE Development Team |
| 3 | * |
| 4 | * This software is provided 'as-is', without any express or implied |
| 5 | * warranty. In no event will the authors be held liable for any damages |
| 6 | * arising from the use of this software. |
| 7 | * |
| 8 | * Permission is granted to anyone to use this software for any purpose, |
| 9 | * including commercial applications, and to alter it and redistribute it |
| 10 | * freely, subject to the following restrictions: |
| 11 | * |
| 12 | * 1. The origin of this software must not be misrepresented; you must not |
| 13 | * claim that you wrote the original software. If you use this software |
| 14 | * in a product, an acknowledgment in the product documentation would be |
| 15 | * appreciated but is not required. |
| 16 | * 2. Altered source versions must be plainly marked as such, and must not be |
| 17 | * misrepresented as being the original software. |
| 18 | * 3. This notice may not be removed or altered from any source distribution. |
| 19 | **/ |
| 20 | |
| 21 | #ifndef LOVE_SOUND_LULLABY_VORBIS_DECODER_H |
| 22 | #define LOVE_SOUND_LULLABY_VORBIS_DECODER_H |
| 23 | |
| 24 | // LOVE |
| 25 | #include "common/Data.h" |
| 26 | #include "common/int.h" |
| 27 | #include "sound/Decoder.h" |
| 28 | |
| 29 | // vorbis |
| 30 | #define OV_EXCLUDE_STATIC_CALLBACKS |
| 31 | #include <vorbis/codec.h> |
| 32 | #include <vorbis/vorbisfile.h> |
| 33 | |
| 34 | namespace love |
| 35 | { |
| 36 | namespace sound |
| 37 | { |
| 38 | namespace lullaby |
| 39 | { |
| 40 | |
| 41 | // Struct for handling data |
| 42 | struct SOggFile |
| 43 | { |
| 44 | const char *dataPtr; // Pointer to the data in memory |
| 45 | int64 dataSize; // Size of the data |
| 46 | int64 dataRead; // How much we've read so far |
| 47 | }; |
| 48 | |
| 49 | class VorbisDecoder : public Decoder |
| 50 | { |
| 51 | public: |
| 52 | |
| 53 | VorbisDecoder(Data *data, int bufferSize); |
| 54 | virtual ~VorbisDecoder(); |
| 55 | |
| 56 | static bool accepts(const std::string &ext); |
| 57 | |
| 58 | love::sound::Decoder *clone(); |
| 59 | int decode(); |
| 60 | bool seek(double s); |
| 61 | bool rewind(); |
| 62 | bool isSeekable(); |
| 63 | int getChannelCount() const; |
| 64 | int getBitDepth() const; |
| 65 | int getSampleRate() const; |
| 66 | double getDuration(); |
| 67 | |
| 68 | private: |
| 69 | SOggFile oggFile; // (see struct) |
| 70 | ov_callbacks vorbisCallbacks; // Callbacks used to read the file from mem |
| 71 | OggVorbis_File handle; // Handle to the file |
| 72 | vorbis_info *vorbisInfo; // Info |
| 73 | vorbis_comment *; // Comments |
| 74 | int endian; // Endianness |
| 75 | double duration; |
| 76 | }; // VorbisDecoder |
| 77 | |
| 78 | } // lullaby |
| 79 | } // sound |
| 80 | } // love |
| 81 | |
| 82 | #endif // LOVE_SOUND_LULLABY_VORBIS_DECODER_H |
| 83 | |