Update of /cvsroot/alsa/alsa-lib/include/sound
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv19120/include/sound
Modified Files:
asound.h
Log Message:
- added SYNC_PTR ioctl support for pcm_hw plugin
Index: asound.h
===================================================================
RCS file: /cvsroot/alsa/alsa-lib/include/sound/asound.h,v
retrieving revision 1.11
retrieving revision 1.12
diff -u -r1.11 -r1.12
--- asound.h 6 Apr 2004 17:29:25 -0000 1.11
+++ asound.h 22 May 2004 10:14:32 -0000 1.12
@@ -153,7 +153,7 @@
* *
*****************************************************************************/
-#define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 6)
+#define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 7)
typedef unsigned long sndrv_pcm_uframes_t;
typedef long sndrv_pcm_sframes_t;
@@ -428,6 +428,22 @@
sndrv_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */
};
+#define SNDRV_PCM_SYNC_PTR_HWSYNC (1<<0) /* execute hwsync */
+#define SNDRV_PCM_SYNC_PTR_APPL (1<<1) /* get appl_ptr from driver
(r/w op) */
+#define SNDRV_PCM_SYNC_PTR_AVAIL_MIN (1<<2) /* get avail_min from driver */
+
+struct sndrv_pcm_sync_ptr {
+ unsigned int flags;
+ union {
+ struct sndrv_pcm_mmap_status status;
+ unsigned char reserved[64];
+ } s;
+ union {
+ struct sndrv_pcm_mmap_control control;
+ unsigned char reserved[64];
+ } c;
+};
+
struct sndrv_xferi {
sndrv_pcm_sframes_t result;
void *buf;
@@ -451,6 +467,7 @@
SNDRV_PCM_IOCTL_STATUS = _IOR('A', 0x20, struct sndrv_pcm_status),
SNDRV_PCM_IOCTL_DELAY = _IOR('A', 0x21, sndrv_pcm_sframes_t),
SNDRV_PCM_IOCTL_HWSYNC = _IO('A', 0x22),
+ SNDRV_PCM_IOCTL_SYNC_PTR = _IOWR('A', 0x23, struct sndrv_pcm_sync_ptr),
SNDRV_PCM_IOCTL_CHANNEL_INFO = _IOR('A', 0x32, struct sndrv_pcm_channel_info),
SNDRV_PCM_IOCTL_PREPARE = _IO('A', 0x40),
SNDRV_PCM_IOCTL_RESET = _IO('A', 0x41),
-------------------------------------------------------
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