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Add explicit casts for MSVC warnings #19

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Merged
Sidelobe merged 1 commit into from
Feb 13, 2026
Merged

Add explicit casts for MSVC warnings #19

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30 changes: 16 additions & 14 deletions tinywav.c
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Original file line number Diff line number Diff line change
Expand Up @@ -107,12 +107,12 @@ int tinywav_open_write(TinyWav *tw, int16_t numChannels, int32_t samplerate, Tin
tw->h.Subchunk1ID[2] = 't';
tw->h.Subchunk1ID[3] = ' ';
tw->h.Subchunk1Size = 16; // PCM
tw->h.AudioFormat = (tw->sampFmt-1); // 1 PCM, 3 IEEE float
tw->h.NumChannels = numChannels;
tw->h.AudioFormat = (uint16_t) (tw->sampFmt - 1); // 1 PCM, 3 IEEE float
tw->h.NumChannels = (uint16_t) numChannels;
tw->h.SampleRate = samplerate;
tw->h.ByteRate = samplerate * numChannels * tw->sampFmt;
tw->h.BlockAlign = numChannels * tw->sampFmt;
tw->h.BitsPerSample = 8 * tw->sampFmt;
tw->h.BlockAlign = (uint16_t) (numChannels * tw->sampFmt);
tw->h.BitsPerSample = (uint16_t) (8 * tw->sampFmt);
tw->h.Subchunk2ID[0] = 'd';
tw->h.Subchunk2ID[1] = 'a';
tw->h.Subchunk2ID[2] = 't';
Expand Down Expand Up @@ -241,8 +241,9 @@ int tinywav_read_f(TinyWav *tw, void *data, int len) {
case TW_INT16: {
TW_ALLOC(int16_t, interleaved_data, tw->numChannels*len);
size_t samples_read = fread(interleaved_data, sizeof(int16_t), tw->numChannels*len, tw->f);
tw->totalFramesReadWritten += samples_read / tw->numChannels;
int frames_read = (int) samples_read / tw->numChannels;
uint32_t frames_read_u32 = (uint32_t) (samples_read / tw->numChannels);
tw->totalFramesReadWritten += frames_read_u32;
int frames_read = (int) frames_read_u32;
switch (tw->chanFmt) {
case TW_INTERLEAVED: { // channel buffer is interleaved e.g. [LRLRLRLR]
for (int pos = 0; pos < tw->numChannels * frames_read; pos++) {
Expand Down Expand Up @@ -277,8 +278,9 @@ int tinywav_read_f(TinyWav *tw, void *data, int len) {
case TW_FLOAT32: {
TW_ALLOC(float, interleaved_data, tw->numChannels*len);
size_t samples_read = fread(interleaved_data, sizeof(float), tw->numChannels*len, tw->f);
tw->totalFramesReadWritten += samples_read / tw->numChannels;
int frames_read = (int) samples_read / tw->numChannels;
uint32_t frames_read_u32 = (uint32_t) (samples_read / tw->numChannels);
tw->totalFramesReadWritten += frames_read_u32;
int frames_read = (int) frames_read_u32;
switch (tw->chanFmt) {
case TW_INTERLEAVED: { // channel buffer is interleaved e.g. [LRLRLRLR]
memcpy(data, interleaved_data, tw->numChannels*frames_read*sizeof(float));
Expand Down Expand Up @@ -365,10 +367,10 @@ int tinywav_write_f(TinyWav *tw, void *f, int len) {
}

size_t samples_written = fwrite(z, sizeof(int16_t), tw->numChannels*len, tw->f);
size_t frames_written = samples_written / tw->numChannels;
tw->totalFramesReadWritten += frames_written;
uint32_t frames_written_u32 = (uint32_t) (samples_written / tw->numChannels);
tw->totalFramesReadWritten += frames_written_u32;
TW_DEALLOC(z);
return (int) frames_written;
return (int) frames_written_u32;
}
case TW_FLOAT32: {
TW_ALLOC(float, z, tw->numChannels*len);
Expand Down Expand Up @@ -402,10 +404,10 @@ int tinywav_write_f(TinyWav *tw, void *f, int len) {
}

size_t samples_written = fwrite(z, sizeof(float), tw->numChannels*len, tw->f);
size_t frames_written = samples_written / tw->numChannels;
tw->totalFramesReadWritten += frames_written;
uint32_t frames_written_u32 = (uint32_t) (samples_written / tw->numChannels);
tw->totalFramesReadWritten += frames_written_u32;
TW_DEALLOC(z);
return (int) frames_written;
return (int) frames_written_u32;
}
default: return 0;
}
Expand Down
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