Hello together!
On Wed, 24 Jun 2020 17:37:46 -0300
Sleep <[email protected]> schrieb:
> // Insert samples to framebuffer.
> wav = fopen("pcm1611s.wav", "r");
> fseek(wav, 0L, SEEK_END);
> size = ftell(wav);
> fseek(wav, 0L, SEEK_SET);
> buffer = malloc(size);
> fread(buffer, sizeof(int16_t), size, wav);
> fclose(wav);
> size /= sizeof(int16_t);
>
> // Set ptrbuffer 46 bytes ahead to skip the header.
> for (int16_t *ptrbuffer = buffer + 46; size > ptrbuffer - buffer;
> ptrbuffer += FRAMEBUFFERSIZE * STEREO * BITS)
> {
I would:
avoid the #defines as far as possible and fetch the values out of the
RIFF-header;
first read the RIFF-header and with its contents calculate starting
point and length of data.
It is not guaranteed that the line with „for(“ (always) works – this as
a qick response …
Grüße, Gerhard
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