diff options
| author | Julian Scheel <julian@jusst.de> | 2018-05-23 15:42:20 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2018-05-23 16:05:49 +0200 |
| commit | 0e2703cef90a2c53d49a49d5e9233aeb6db8960b (patch) | |
| tree | 9ec83162b9a5802f0463ee420669b6a00491416b | |
| parent | da4d5bd53a1a57d1b39318b83d3280fbcd78e9f6 (diff) | |
| download | alsa-utils-0e2703cef90a2c53d49a49d5e9233aeb6db8960b.tar.gz | |
speaker-test: Support S24_3LE sample format
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>
| -rw-r--r-- | speaker-test/speaker-test.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/speaker-test/speaker-test.c b/speaker-test/speaker-test.c index 65ab523..4804bcf 100644 --- a/speaker-test/speaker-test.c +++ b/speaker-test/speaker-test.c @@ -283,6 +283,8 @@ static const int supported_formats[] = { SND_PCM_FORMAT_S16_LE, SND_PCM_FORMAT_S16_BE, SND_PCM_FORMAT_FLOAT_LE, + SND_PCM_FORMAT_S24_3LE, + SND_PCM_FORMAT_S24_3BE, SND_PCM_FORMAT_S32_LE, SND_PCM_FORMAT_S32_BE, -1 @@ -325,6 +327,18 @@ static void do_generate(uint8_t *frames, int channel, int count, case SND_PCM_FORMAT_FLOAT_LE: *samp_f++ = res.f; 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: *samp32++ = LE_INT(res.i); break; |