mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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98 lines
2.8 KiB
C
98 lines
2.8 KiB
C
/*
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* File: Riff.h
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*
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* Description: Resource Interchange File Format format definition.
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*
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* Copyright (c) 2018 John Davis
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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// See http://www-mmsp.ece.mcgill.ca/Documents/AudioFormats/WAVE/WAVE.html.
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#ifndef _EFI_RIFF_H_
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#define _EFI_RIFF_H_
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#include <Uefi.h>
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//
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// RIFF chunk IDs.
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//
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#define RIFF_CHUNK_ID_SIZE 4
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#define RIFF_CHUNK_ID "RIFF"
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#define LIST_CHUNK_ID "LIST"
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#define PAL_CHUNK_ID "PAL "
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#define RDIB_CHUNK_ID "RDIB"
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#define RMID_CHUNK_ID "RMID"
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#define RMMP_CHUNK_ID "RMMP"
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//
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// WAVE chunk IDs.
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//
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#define WAVE_CHUNK_ID "WAVE"
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#define WAVE_CUE_CHUNK_ID "cue "
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#define WAVE_DATA_CHUNK_ID "data"
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#define WAVE_FACT_CHUNK_ID "fact"
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#define WAVE_FILE_CHUNK_ID "file"
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#define WAVE_FORMAT_CHUNK_ID "fmt "
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#define WAVE_LABEL_CHUNK_ID "labl"
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#define WAVE_NOTE_CHUNK_ID "note"
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#define WAVE_PLAYLIST_CHUNK_ID "plst"
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#define WAVE_SILENCE_CHUNK_ID "slnt"
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#define WAVE_TEXT_DATA_CHUNK_ID "ltxt"
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#define WAVE_WAVE_LIST_CHUNK_ID "wavl"
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//
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// WAVE format types.
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//
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#define WAVE_FORMAT_PCM 0x0001
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#define WAVE_FORMAT_EXTENSIBLE 0xFFFE
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#pragma pack(1)
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// RIFF chunk.
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typedef struct {
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CHAR8 Id[RIFF_CHUNK_ID_SIZE];
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UINT32 Size;
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UINT8 Data[];
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} RIFF_CHUNK;
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// WAVE format data.
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typedef struct {
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UINT16 FormatTag;
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UINT16 Channels;
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UINT32 SamplesPerSec;
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UINT32 AvgBytesPerSec;
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UINT16 BlockAlign;
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UINT16 BitsPerSample;
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} WAVE_FORMAT_DATA;
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// WAVE format data extended.
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typedef struct {
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WAVE_FORMAT_DATA Header;
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UINT16 ExtensionSize;
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UINT16 ValidBitsPerSample;
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UINT32 ChannelMask;
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GUID SubFormat;
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} WAVE_FORMAT_DATA_EX;
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#pragma pack()
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#endif
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