tayloroxelgren/soundknn
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Finished adding all data from directory, updated readme

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Taylor Oxelgren
2026-02-05 14:07:56 -06:00
parent bf0b3ea217
commit cf0f1146bf
2 changed files with 19 additions and 33 deletions
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8
README.md
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@@ -1,7 +1,7 @@
# Purpose # Purpose
Run knn on audio data which has been converted to images to find similar audio clips Run knn on audio data which has been converted to images to find similar audio clips
## Ffmpeg preporcessing command ## Ffmpeg preporcessing command to create spectrogram image
`for %f in (*.wav) do ffmpeg -y -i "%f" -ar 44100 -lavfi "showspectrumpic=s=256x256:scale=log:legend=0" "img\%~nf.png"` `for %f in (*.wav) do ffmpeg -y -i "%f" -ar 44100 -lavfi "showspectrumpic=s=256x256:scale=log:legend=0" "img\%~nf.png"`
## stb_image.h ## stb_image.h
@@ -11,6 +11,6 @@ Used for gathering the image data
`clang src/main.c -Iexternal -O2 -o soundknn.exe` `clang src/main.c -Iexternal -O2 -o soundknn.exe`
### Todo ### Todo
- Load all images from directory - [x] Load all images from directory
- Do knn algorithm - [ ] Do knn algorithm
- Use opencl to accelerate algorithm execution - [ ] Use opencl to accelerate algorithm execution

44
src/main.c
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@@ -19,45 +19,31 @@ int main(){
int x,y; int x,y;
struct AudioData audioData[2000]; struct AudioData audioData[2000];
// Getting first file out of the loop
myHandle=FindFirstFileA(directory,&FindFileData); myHandle=FindFirstFileA(directory,&FindFileData);
printf("%s\n",FindFileData.cFileName);
int counter=0;
while(FindNextFileA(myHandle,&FindFileData)){
printf("%s\n",FindFileData.cFileName); printf("%s\n",FindFileData.cFileName);
char path[MAX_PATH]; char path[MAX_PATH];
snprintf(path, MAX_PATH, "esc-50-audio/img/%s", FindFileData.cFileName); snprintf(path, MAX_PATH, "esc-50-audio/img/%s", FindFileData.cFileName);
audioData[counter].data = stbi_load(path, &x, &y, NULL, 1); audioData[0].data = stbi_load(path, &x, &y, NULL, 1);
// _strdup allocates new memory and copies the string so the struct keeps its own // _strdup allocates new memory and copies the string so the struct keeps its own
// persistent filename (path is a temporary buffer that would otherwise go out of scope) audioData[0].fileName = _strdup(path);
int counter=1;
while(FindNextFileA(myHandle,&FindFileData)&& counter<2000){
printf("%s\n",FindFileData.cFileName);
snprintf(path, MAX_PATH, "esc-50-audio/img/%s", FindFileData.cFileName);
audioData[counter].data = stbi_load(path, &x, &y, NULL, 1);
audioData[counter].fileName = _strdup(path); audioData[counter].fileName = _strdup(path);
counter++; counter++;
} }
// Closing windows handler
FindClose(myHandle);
// Loads data into 1D array 256x256 so 2nd row starts at 256
if (!audioData[0].data) { // Freeing the memory
printf("Failed to load image: %s\n", stbi_failure_reason()); for(int i=0;i<counter;i++){
return 1; stbi_image_free(audioData[i].data);
} free(audioData[i].fileName);
if (!audioData[1].data) {
printf("Failed to load image: %s\n", stbi_failure_reason());
return 1;
}
for(int i=11766;i<12766;i++){
if(audioData[0].data[i]!=0){
printf("img1 info: %u",audioData[0].data[i]);
printf(" name %s",audioData[0].fileName);
printf("\n");
}
}
for(int i=11766;i<12766;i++){
if(audioData[1].data[i]!=0){
printf("img2 info: %u",audioData[1].data[i]);
printf(" name %s",audioData[1].fileName);
printf("\n");
}
} }
return 0; return 0;
} }