diff mbox

[v2,1/2] speaker-test: Support S24_3LE sample format

Message ID 20180523134221.27260-1-julian@jusst.de (mailing list archive)
State New, archived
Headers show

Commit Message

Julian Scheel May 23, 2018, 1:42 p.m. UTC 
Implement support signed 24 bit samples, packed in 3 bytes.

Signed-off-by: Julian Scheel <julian@jusst.de>
---
 speaker-test/speaker-test.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

Comments

Takashi Iwai May 23, 2018, 2:06 p.m. UTC | #1 
On Wed, 23 May 2018 15:42:20 +0200,
Julian Scheel wrote:
> 
> Implement support signed 24 bit samples, packed in 3 bytes.
> 
> Signed-off-by: Julian Scheel <julian@jusst.de>

Applied both patches.  Thanks.


Takashi
diff mbox

Patch

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;