FreeCalypso > hg > gsm-codec-lib
view libtest/roberead.c @ 167:80c93ef82a51
gsmfr-dlcap-parse utility written
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 16 Dec 2022 08:38:36 +0000 |
parents | 9814041e8096 |
children |
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/* * Here we implement our PCM read helper function for "robe" format. */ #include <stdio.h> #include <stdint.h> #include "roberead.h" int robe_get_pcm_block(FILE *inf, int16_t *pcm) { uint8_t bytes[320], *dp; int cc, i; cc = fread(bytes, 1, 320, inf); cc >>= 1; dp = bytes; for (i = 0; i < cc; i++) { pcm[i] = (dp[0] << 8) | dp[1]; dp += 2; } while (i < 160) pcm[i++] = 0; return cc; }