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This has several preflights that aren't listed, covering various platforms. #rb jeff.roberts, jimmy.smith, fabian.giesen #jira UE-195336 [CL 30785991 by dan thompson in ue5-main branch]
84 lines
3.0 KiB
C
84 lines
3.0 KiB
C
// Copyright Epic Games Tools, LLC. All Rights Reserved.
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#pragma once
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#include <stdint.h>
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#define RADA_LIBRARY_VERSION 1
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#ifndef RR_STRING_JOIN3
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#define RR_STRING_JOIN3(arg1, arg2, arg3) RR_STRING_JOIN_DELAY3(arg1, arg2, arg3)
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#define RR_STRING_JOIN_DELAY3(arg1, arg2, arg3) RR_STRING_JOIN_IMMEDIATE3(arg1, arg2, arg3)
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#define RR_STRING_JOIN_IMMEDIATE3(arg1, arg2, arg3) arg1 ## arg2 ## arg3
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#endif
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#ifndef RR_STRING_JOIN
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#define RR_STRING_JOIN(arg1, arg2) RR_STRING_JOIN_DELAY(arg1, arg2)
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#define RR_STRING_JOIN_DELAY(arg1, arg2) RR_STRING_JOIN_IMMEDIATE(arg1, arg2)
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#define RR_STRING_JOIN_IMMEDIATE(arg1, arg2) arg1 ## arg2
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#endif
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#ifdef RADA_WRAP
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#define RADA_NAME(name) RR_STRING_JOIN3(RADA_WRAP, name##_, RADA_LIBRARY_VERSION )
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#else
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#error RADA_WRAP must be defined (MIRA or UERA)
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#endif
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typedef void* RadACompressAllocFnType(uintptr_t ByteCount);
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typedef void RadACompressFreeFnType(void* Ptr);
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#define RADA_COMPRESS_SUCCESS 0
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#define RADA_COMPRESS_ERROR_CHANS 1
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#define RADA_COMPRESS_ERROR_SAMPLES 2
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#define RADA_COMPRESS_ERROR_RATE 3
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#define RADA_COMPRESS_ERROR_QUALITY 4
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#define RADA_COMPRESS_ERROR_ALLOCATORS 5
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#define RADA_COMPRESS_ERROR_OUTPUT 6
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#define RADA_COMPRESS_ERROR_SEEKTABLE 7
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#define RADA_COMPRESS_ERROR_SIZE 8
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#define RADA_COMPRESS_ERROR_ENCODER 9
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#define RADA_COMPRESS_ERROR_ALLOCATION 10
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#define RadAErrorString RADA_NAME(RadAErrorString)
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#define EncodeRadAFile RADA_NAME(EncodeRadAFile)
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// Pass in one of the above values to get a human readable error, returned
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// as a utf8 string.
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const char* RadAErrorString(uint8_t InError);
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static const uint32_t RADA_MAX_CHANS = 32;
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static const uint32_t RADA_VALID_RATES[] = {48000, 44100, 32000, 24000};
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//
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// Create a "RADA" file, which is a container format for blocks of rad audio encoded
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// sound data.
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//
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// Compresses up to 32 channels. Only RADA_VALID_RATES sample rates are allowed.
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//
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// Quality is between 1 and 9, with 9 being high quality. 5 is a sane default.
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// PcmData should be interleaved 16 bit pcm data.
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// PcmDataLen is in bytes.
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// OutData will be filled with a buffer allocated by MemAlloc that contains the file data.
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// SeekTableMaxEntries is used to cap the amount of disk space used on the seek table.
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// If GenerateSeekTable is set, this should be at least 1k or so to be useful.
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// if InSeamlessLooping is set, the encoder provides the ends of the stream to the encoder for
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// use in padding the mDCT. This coerces the math to provide outputs that sync across the file endpoints.
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#if defined(__RADINDLL__) && defined(_MSC_VER) // we have a windows dll target.
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__declspec(dllexport)
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#endif
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uint8_t EncodeRadAFile(
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void* InPcmData,
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uint64_t InPcmDataLen,
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uint32_t InPcmRate,
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uint8_t InPcmChannels,
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uint8_t InQuality,
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uint8_t InSeamlessLooping,
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uint8_t InGenerateSeekTable,
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uint16_t InSeekTableMaxEntries,
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RadACompressAllocFnType* InMemAlloc,
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RadACompressFreeFnType* InMemFree,
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void** OutData,
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uint64_t* OutDataLen);
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