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This commit is contained in:
Malloc of Kuzkycyziklistan 2017-03-15 16:07:21 -05:00
parent 086796c758
commit 041b57d76c
3 changed files with 142 additions and 0 deletions

View file

@ -1,2 +1,136 @@
#include <stdio.h> #include <stdio.h>
#include <math.h> #include <math.h>
#include <string.h>
#include <stdint.h>
#define NULL 0
#define BOOL uint8_t
#define TRUE 1
#define FALSE 0
#define SAMPLE_RATE 48000
#define BYTE_RATE 800
/* CMD LINE ARG STRUCT */
struct {
char *source, *destination;
BOOL encoding;
} args;
/* FILE IO */
FILE *inFile, *outFile;
void writeWavHeader(uint32_t inputFileSize);
void writeBytes(uint64_t bytes, int byteCount) {
for (int i = 0; i < byteCount; ++i)
fputc(((char*)bytes)[7-byteCount+i+1], outFile);
}
/* MATH */
double freqPeriodConv(double fop) {
return 1.f / fop;
}
double samplePeriod() {
return freqPeriodConv(SAMPLE_RATE);
}
int samplesPerByte() {
return SAMPLE_RATE / BYTE_RATE;
}
uint32_t audioFileSize(uint32_t inputFileSize) {
return samplesPerByte() * inputFileSize * 2;
}
/* MISC */
void printHelp();
int main(int argc, char *argv[]) {
if (argc < 2 || argc > 4) {
printHelp();
return -1;
}
args.source = NULL;
args.destination = "wout.raw";
args.encoding = TRUE;
for (int i = 0; i < argc; ++i) {
switch (i) {
case 0:
if (strlen(argv[i]) == 2 && argv[i][0] == '/') {
if (argv[i][1] == 'D' || argv[i][1] == 'd')
args.encoding = FALSE;
else if (argv[i][1] != 'E' && argv[i][1] != 'e') {
printHelp();
return -1;
}
break;
}
default:
if (args.source == NULL)
args.source = argv[i];
else if (args.destination == NULL)
args.destination = argv[i];
else {
printHelp();
return -1;
}
break;
}
}
if ((inFile = fopen(args.source, "rb")) == NULL) {
printf("Source file does not exist or cannot be accessed.");
return -1;
}
if ((outFile = fopen(args.destination, "wb+")) == NULL) {
printf("Destination file cannot be written to.");
return -1;
}
if (args.encoding == TRUE) {
fseek(inFile, 0, SEEK_END);
uint32_t fileSize = ftell(inFile);
rewind(inFile);
writeWavHeader(fileSize);
double dt = samplePeriod();
int spb = samplesPerByte();
for(;;) {
}
}
fclose(inFile);
fclose(outFile);
return 0;
}
void printHelp() {
printf("Waif - Wireless Audio Interchange Format converter\n\n");
printf("waif [/E] [/D] source [destination]\n\n");
printf(" source\tSpecifies the file to be converted.\n");
printf(" destination\tSpecifies the directory and/or filename\n \t\tfor the converted file.\n");
printf(" /E\t\tEncodes the file.\n");
printf(" /D\t\tDecodes the file.\n\n");
printf("The /E and /D switches may not be used together. If neither\nis specified, /E is implied. If destination is not supplied,\noutput will be written to 'wout'.");
}
void writeWavHeader(uint32_t inputFileSize) {
uint32_t dataSize = samplesPerByte() * inputFileSize * 2;
fputs("RIFF", outFile);
writeBytes(36 + dataSize, 4);
fputs("WAVE", outFile);
fputs("fmt ", outFile);
writeBytes(16, 4);
writeBytes(1, 2);
writeBytes(1, 2);
writeBytes(SAMPLE_RATE, 4);
writeBytes(SAMPLE_RATE * 2, 4);
writeBytes(2, 2);
writeBytes(16, 2);
fputs("data", outFile);
fputs("fmt ", outFile);
writeBytes(dataSize, 4);
}

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@ -88,6 +88,7 @@
<WarningLevel>Level3</WarningLevel> <WarningLevel>Level3</WarningLevel>
<Optimization>Disabled</Optimization> <Optimization>Disabled</Optimization>
<PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions> <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<CompileAs>CompileAsC</CompileAs>
</ClCompile> </ClCompile>
<Link> <Link>
<SubSystem>Console</SubSystem> <SubSystem>Console</SubSystem>
@ -116,6 +117,7 @@
<FunctionLevelLinking>true</FunctionLevelLinking> <FunctionLevelLinking>true</FunctionLevelLinking>
<IntrinsicFunctions>true</IntrinsicFunctions> <IntrinsicFunctions>true</IntrinsicFunctions>
<PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions> <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<CompileAs>CompileAsC</CompileAs>
</ClCompile> </ClCompile>
<Link> <Link>
<SubSystem>Console</SubSystem> <SubSystem>Console</SubSystem>
@ -142,6 +144,7 @@
</Link> </Link>
</ItemDefinitionGroup> </ItemDefinitionGroup>
<ItemGroup> <ItemGroup>
<ClCompile Include="main.c" />
</ItemGroup> </ItemGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" /> <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ImportGroup Label="ExtensionTargets"> <ImportGroup Label="ExtensionTargets">

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@ -14,4 +14,9 @@
<Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions> <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
</Filter> </Filter>
</ItemGroup> </ItemGroup>
<ItemGroup>
<ClCompile Include="main.c">
<Filter>Source Files</Filter>
</ClCompile>
</ItemGroup>
</Project> </Project>