From: <twischer@de.adit-jv.com>
To: <patch@alsa-project.org>, <broonie@kernel.org>, <perex@perex.cz>,
<tiwai@suse.com>
Cc: <alsa-devel@alsa-project.org>, <linux-kernel@vger.kernel.org>,
Timo Wischer <twischer@de.adit-jv.com>
Subject: [PATCH] ALSA: aloop: Support S24 sample formats
Date: Mon, 25 Mar 2019 16:14:14 +0100 [thread overview]
Message-ID: <1553526854-16921-1-git-send-email-twischer@de.adit-jv.com> (raw)
From: Timo Wischer <twischer@de.adit-jv.com>
Currently snd_aloop supports only S16 and S32 audio sample formats. With
this patch the S24 formats are also supported.
Signed-off-by: Timo Wischer <twischer@de.adit-jv.com>
---
sound/drivers/aloop.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/sound/drivers/aloop.c b/sound/drivers/aloop.c
index 8c3fbe1..c14e57b 100644
--- a/sound/drivers/aloop.c
+++ b/sound/drivers/aloop.c
@@ -337,7 +337,7 @@ static int loopback_prepare(struct snd_pcm_substream *substream)
loopback_timer_stop_sync(dpcm);
- salign = (snd_pcm_format_width(runtime->format) *
+ salign = (snd_pcm_format_physical_width(runtime->format) *
runtime->channels) / 8;
bps = salign * runtime->rate;
if (bps <= 0 || salign <= 0)
@@ -562,6 +562,8 @@ static const struct snd_pcm_hardware loopback_pcm_hardware =
SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE |
SNDRV_PCM_INFO_RESUME),
.formats = (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |
+ SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE |
+ SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE |
SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE |
SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE),
.rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_192000,
--
2.7.4
next reply other threads:[~2019-03-25 15:14 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-25 15:14 twischer [this message]
2019-03-25 15:35 ` [PATCH] ALSA: aloop: Support S24 sample formats Jaroslav Kysela
2019-03-25 15:39 ` [ALSA patch] " Takashi Iwai
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