FreeCalypso > hg > gsm-codec-lib
annotate libtest/pcmwrite.c @ 351:97c699f40ab3
libtwamr: generate namespace.h from namespace.list
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 05 May 2024 20:34:55 +0000 |
parents | a3aa152c4653 |
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a3aa152c4653
libtest: pcmwrite helper function and module
Mychaela Falconia <falcon@freecalypso.org>
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1 /* |
a3aa152c4653
libtest: pcmwrite helper function and module
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2 * Here we implement our PCM write helper function. |
a3aa152c4653
libtest: pcmwrite helper function and module
Mychaela Falconia <falcon@freecalypso.org>
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3 */ |
a3aa152c4653
libtest: pcmwrite helper function and module
Mychaela Falconia <falcon@freecalypso.org>
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4 |
a3aa152c4653
libtest: pcmwrite helper function and module
Mychaela Falconia <falcon@freecalypso.org>
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5 #include <stdint.h> |
a3aa152c4653
libtest: pcmwrite helper function and module
Mychaela Falconia <falcon@freecalypso.org>
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6 #include "wavwriter.h" |
a3aa152c4653
libtest: pcmwrite helper function and module
Mychaela Falconia <falcon@freecalypso.org>
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7 #include "pcmwrite.h" |
a3aa152c4653
libtest: pcmwrite helper function and module
Mychaela Falconia <falcon@freecalypso.org>
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8 |
a3aa152c4653
libtest: pcmwrite helper function and module
Mychaela Falconia <falcon@freecalypso.org>
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9 void write_pcm_to_wav(void *wav, const int16_t *pcm) |
a3aa152c4653
libtest: pcmwrite helper function and module
Mychaela Falconia <falcon@freecalypso.org>
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10 { |
a3aa152c4653
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11 uint8_t bytes[320], *dp; |
a3aa152c4653
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Mychaela Falconia <falcon@freecalypso.org>
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12 int16_t samp; |
a3aa152c4653
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13 unsigned n; |
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Mychaela Falconia <falcon@freecalypso.org>
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14 |
a3aa152c4653
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Mychaela Falconia <falcon@freecalypso.org>
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15 dp = bytes; |
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16 for (n = 0; n < 160; n++) { |
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17 samp = pcm[n]; |
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18 *dp++ = samp & 0xFF; |
a3aa152c4653
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Mychaela Falconia <falcon@freecalypso.org>
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19 *dp++ = (samp >> 8) & 0xFF; |
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20 } |
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21 wav_write_data(wav, bytes, 320); |
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22 } |