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From: Jurgen Kramer <gtmkramer@xs4all.nl>
To: alsa-devel@alsa-project.org
Cc: Jurgen Kramer <gtmkramer@xs4all.nl>
Subject: [PATCH v2] pcm: 2nd round of pcm_misc DSD fixes
Date: Fri, 22 Aug 2014 10:15:10 +0200	[thread overview]
Message-ID: <1408695310-7489-1-git-send-email-gtmkramer@xs4all.nl> (raw)

Functions 'snd_pcm_format_silence_64' and 'snd_pcm_format_size' also need to be
able to handle the DSD smaple format.

Changes from v1:
- Correct silence pattern for DSD

Signed-off-by: Jurgen Kramer <gtmkramer@xs4all.nl>
---
 src/pcm/pcm_misc.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/pcm/pcm_misc.c b/src/pcm/pcm_misc.c
index 24d52f9..46fc771 100644
--- a/src/pcm/pcm_misc.c
+++ b/src/pcm/pcm_misc.c
@@ -317,11 +317,13 @@ ssize_t snd_pcm_format_size(snd_pcm_format_t format, size_t samples)
 	switch (format) {
 	case SNDRV_PCM_FORMAT_S8:
 	case SNDRV_PCM_FORMAT_U8:
+	case SNDRV_PCM_FORMAT_DSD_U8:
 		return samples;
 	case SNDRV_PCM_FORMAT_S16_LE:
 	case SNDRV_PCM_FORMAT_S16_BE:
 	case SNDRV_PCM_FORMAT_U16_LE:
 	case SNDRV_PCM_FORMAT_U16_BE:
+	case SNDRV_PCM_FORMAT_DSD_U16_LE:
 		return samples * 2;
 	case SNDRV_PCM_FORMAT_S18_3LE:
 	case SNDRV_PCM_FORMAT_S18_3BE:
@@ -390,6 +392,9 @@ u_int64_t snd_pcm_format_silence_64(snd_pcm_format_t format)
 		return 0;
 	case SNDRV_PCM_FORMAT_U8:
 		return 0x8080808080808080ULL;
+	case SNDRV_PCM_FORMAT_DSD_U8:
+	case SNDRV_PCM_FORMAT_DSD_U16_LE:
+		return 0x6969696969696969ULL;
 #ifdef SNDRV_LITTLE_ENDIAN
 	case SNDRV_PCM_FORMAT_U16_LE:
 		return 0x8000800080008000ULL;
-- 
1.9.3

             reply	other threads:[~2014-08-22  8:15 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-22  8:15 Jurgen Kramer [this message]
2014-08-22  9:16 ` [PATCH v2] pcm: 2nd round of pcm_misc DSD fixes Takashi Iwai

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