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Use O_APPEND mode with dmix & co plugins

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Use O_APPEND mode (only if available) with dmix, dsnoop and dshare
plugins.  Using this mode, the plugin requires no resource server
any more.
This commit is contained in:
Takashi Iwai 2006-04-28 15:55:32 +02:00
parent 194ff97ea6
commit eafb7ae5d8
7 changed files with 190 additions and 52 deletions
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3
src/pcm/pcm_direct.h
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@ -51,8 +51,10 @@ struct slave_params {
};
typedef struct {
unsigned int magic; /* magic number */
char socket_name[256]; /* name of communication socket */
snd_pcm_type_t type; /* PCM type (currently only hw) */
int use_server;
struct {
unsigned int format;
snd_interval_t rate;
@ -168,6 +170,7 @@ int snd_pcm_direct_server_discard(snd_pcm_direct_t *dmix);
int snd_pcm_direct_client_connect(snd_pcm_direct_t *dmix);
int snd_pcm_direct_client_discard(snd_pcm_direct_t *dmix);
int snd_pcm_direct_initialize_slave(snd_pcm_direct_t *dmix, snd_pcm_t *spcm, struct slave_params *params);
int snd_pcm_direct_initialize_secondary_slave(snd_pcm_direct_t *dmix, snd_pcm_t *spcm, struct slave_params *params);
int snd_pcm_direct_initialize_poll_fd(snd_pcm_direct_t *dmix);
int snd_pcm_direct_check_interleave(snd_pcm_direct_t *dmix, snd_pcm_t *pcm);
int snd_pcm_direct_parse_bindings(snd_pcm_direct_t *dmix,