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speaker-test: Support S24_3LE sample format

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Implement support signed 24 bit samples, packed in 3 bytes.

Signed-off-by: Julian Scheel <julian@jusst.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Julian Scheel 2018-05-23 15:42:20 +02:00 committed by Takashi Iwai
parent da4d5bd53a
commit 0e2703cef9
1 changed files with 14 additions and 0 deletions
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14
speaker-test/speaker-test.c
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@ -283,6 +283,8 @@ static const int supported_formats[] = {
SND_PCM_FORMAT_S16_LE, SND_PCM_FORMAT_S16_LE,
SND_PCM_FORMAT_S16_BE, SND_PCM_FORMAT_S16_BE,
SND_PCM_FORMAT_FLOAT_LE, SND_PCM_FORMAT_FLOAT_LE,
SND_PCM_FORMAT_S24_3LE,
SND_PCM_FORMAT_S24_3BE,
SND_PCM_FORMAT_S32_LE, SND_PCM_FORMAT_S32_LE,
SND_PCM_FORMAT_S32_BE, SND_PCM_FORMAT_S32_BE,
-1 -1
@ -325,6 +327,18 @@ static void do_generate(uint8_t *frames, int channel, int count,
case SND_PCM_FORMAT_FLOAT_LE: case SND_PCM_FORMAT_FLOAT_LE:
*samp_f++ = res.f; *samp_f++ = res.f;
break; break;
case SND_PCM_FORMAT_S24_3LE:
res.i >>= 8;
*samp8++ = LE_INT(res.i);
*samp8++ = LE_INT(res.i) >> 8;
*samp8++ = LE_INT(res.i) >> 16;
break;
case SND_PCM_FORMAT_S24_3BE:
res.i >>= 8;
*samp8++ = BE_INT(res.i);
*samp8++ = BE_INT(res.i) >> 8;
*samp8++ = BE_INT(res.i) >> 16;
break;
case SND_PCM_FORMAT_S32_LE: case SND_PCM_FORMAT_S32_LE:
*samp32++ = LE_INT(res.i); *samp32++ = LE_INT(res.i);
break; break;