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Volume support in tunnel module.

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@629 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Pierre Ossman 2006-03-05 20:18:04 +00:00
parent 4e56725a60
commit 738734244d
1 changed files with 260 additions and 1 deletions
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261
src/modules/module-tunnel.c
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@ -91,6 +91,7 @@ static const char* const valid_modargs[] = {
}; };
static void command_stream_killed(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_stream_killed(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
static void command_subscribe_event(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
#ifdef TUNNEL_SINK #ifdef TUNNEL_SINK
static void command_request(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_request(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
@ -101,7 +102,8 @@ static const pa_pdispatch_cb_t command_table[PA_COMMAND_MAX] = {
[PA_COMMAND_REQUEST] = command_request, [PA_COMMAND_REQUEST] = command_request,
#endif #endif
[PA_COMMAND_PLAYBACK_STREAM_KILLED] = command_stream_killed, [PA_COMMAND_PLAYBACK_STREAM_KILLED] = command_stream_killed,
[PA_COMMAND_RECORD_STREAM_KILLED] = command_stream_killed [PA_COMMAND_RECORD_STREAM_KILLED] = command_stream_killed,
[PA_COMMAND_SUBSCRIBE_EVENT] = command_subscribe_event,
}; };
struct userdata { struct userdata {
@ -189,6 +191,35 @@ static void command_stream_killed(pa_pdispatch *pd, PA_GCC_UNUSED uint32_t comma
die(u); die(u);
} }
static void request_info(struct userdata *u);
static void command_subscribe_event(pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, PA_GCC_UNUSED uint32_t tag, pa_tagstruct *t, void *userdata) {
struct userdata *u = userdata;
pa_subscription_event_type_t e;
uint32_t idx;
assert(pd && t && u);
assert(command == PA_COMMAND_SUBSCRIBE_EVENT);
if (pa_tagstruct_getu32(t, &e) < 0 ||
pa_tagstruct_getu32(t, &idx) < 0 ||
!pa_tagstruct_eof(t)) {
pa_log(__FILE__": invalid protocol reply");
die(u);
return;
}
#ifdef TUNNEL_SINK
if (e != (PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE))
return;
#else
if (e != (PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE))
return;
#endif
request_info(u);
}
#ifdef TUNNEL_SINK #ifdef TUNNEL_SINK
static void send_prebuf_request(struct userdata *u) { static void send_prebuf_request(struct userdata *u) {
pa_tagstruct *t; pa_tagstruct *t;
@ -332,6 +363,115 @@ static void request_latency(struct userdata *u) {
pa_pdispatch_register_reply(u->pdispatch, tag, DEFAULT_TIMEOUT, stream_get_latency_callback, u); pa_pdispatch_register_reply(u->pdispatch, tag, DEFAULT_TIMEOUT, stream_get_latency_callback, u);
} }
static void stream_get_info_callback(pa_pdispatch *pd, uint32_t command, PA_GCC_UNUSED uint32_t tag, pa_tagstruct *t, void *userdata) {
struct userdata *u = userdata;
uint32_t index, owner_module, monitor_source;
pa_usec_t latency;
const char *name, *description, *monitor_source_name, *driver;
int mute;
pa_sample_spec sample_spec;
pa_channel_map channel_map;
pa_cvolume volume;
assert(pd && u);
if (command != PA_COMMAND_REPLY) {
if (command == PA_COMMAND_ERROR)
pa_log(__FILE__": failed to get info.");
else
pa_log(__FILE__": protocol error.");
die(u);
return;
}
if (pa_tagstruct_getu32(t, &index) < 0 ||
pa_tagstruct_gets(t, &name) < 0 ||
pa_tagstruct_gets(t, &description) < 0 ||
pa_tagstruct_get_sample_spec(t, &sample_spec) < 0 ||
pa_tagstruct_get_channel_map(t, &channel_map) < 0 ||
pa_tagstruct_getu32(t, &owner_module) < 0 ||
pa_tagstruct_get_cvolume(t, &volume) < 0 ||
pa_tagstruct_get_boolean(t, &mute) < 0 ||
pa_tagstruct_getu32(t, &monitor_source) < 0 ||
pa_tagstruct_gets(t, &monitor_source_name) < 0 ||
pa_tagstruct_get_usec(t, &latency) < 0 ||
pa_tagstruct_gets(t, &driver) < 0 ||
!pa_tagstruct_eof(t)) {
pa_log(__FILE__": invalid reply.");
die(u);
return;
}
#ifdef TUNNEL_SINK
assert(u->sink);
if ((!!mute == !!u->sink->hw_muted) &&
pa_cvolume_equal(&volume, &u->sink->hw_volume))
return;
#else
assert(u->source);
if ((!!mute == !!u->source->hw_muted) &&
pa_cvolume_equal(&volume, &u->source->hw_volume))
return;
#endif
#ifdef TUNNEL_SINK
memcpy(&u->sink->hw_volume, &volume, sizeof(pa_cvolume));
u->sink->hw_muted = !!mute;
pa_subscription_post(u->sink->core,
PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE,
u->sink->index);
#else
memcpy(&u->source->hw_volume, &volume, sizeof(pa_cvolume));
u->source->hw_muted = !!mute;
pa_subscription_post(u->source->core,
PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE,
u->source->index);
#endif
}
static void request_info(struct userdata *u) {
pa_tagstruct *t;
uint32_t tag;
assert(u);
t = pa_tagstruct_new(NULL, 0);
#ifdef TUNNEL_SINK
pa_tagstruct_putu32(t, PA_COMMAND_GET_SINK_INFO);
#else
pa_tagstruct_putu32(t, PA_COMMAND_GET_SOURCE_INFO);
#endif
pa_tagstruct_putu32(t, tag = u->ctag++);
pa_tagstruct_putu32(t, PA_INVALID_INDEX);
#ifdef TUNNEL_SINK
pa_tagstruct_puts(t, u->sink_name);
#else
pa_tagstruct_puts(t, u->source_name);
#endif
pa_pstream_send_tagstruct(u->pstream, t);
pa_pdispatch_register_reply(u->pdispatch, tag, DEFAULT_TIMEOUT, stream_get_info_callback, u);
}
static void start_subscribe(struct userdata *u) {
pa_tagstruct *t;
uint32_t tag;
assert(u);
t = pa_tagstruct_new(NULL, 0);
pa_tagstruct_putu32(t, PA_COMMAND_SUBSCRIBE);
pa_tagstruct_putu32(t, tag = u->ctag++);
#ifdef TUNNEL_SINK
pa_tagstruct_putu32(t, PA_SUBSCRIPTION_MASK_SINK);
#else
pa_tagstruct_putu32(t, PA_SUBSCRIPTION_MASK_SOURCE);
#endif
pa_pstream_send_tagstruct(u->pstream, t);
}
static void create_stream_callback(pa_pdispatch *pd, uint32_t command, PA_GCC_UNUSED uint32_t tag, pa_tagstruct *t, void *userdata) { static void create_stream_callback(pa_pdispatch *pd, uint32_t command, PA_GCC_UNUSED uint32_t tag, pa_tagstruct *t, void *userdata) {
struct userdata *u = userdata; struct userdata *u = userdata;
assert(pd && u && u->pdispatch == pd); assert(pd && u && u->pdispatch == pd);
@ -356,6 +496,9 @@ static void create_stream_callback(pa_pdispatch *pd, uint32_t command, PA_GCC_UN
return; return;
} }
start_subscribe(u);
request_info(u);
request_latency(u); request_latency(u);
#ifdef TUNNEL_SINK #ifdef TUNNEL_SINK
send_bytes(u); send_bytes(u);
@ -537,6 +680,60 @@ static pa_usec_t sink_get_latency(pa_sink *sink) {
return usec; return usec;
} }
static int sink_get_hw_volume(pa_sink *sink) {
struct userdata *u;
assert(sink && sink->userdata);
u = sink->userdata;
return 0;
}
static int sink_set_hw_volume(pa_sink *sink) {
struct userdata *u;
pa_tagstruct *t;
uint32_t tag;
assert(sink && sink->userdata);
u = sink->userdata;
t = pa_tagstruct_new(NULL, 0);
pa_tagstruct_putu32(t, PA_COMMAND_SET_SINK_VOLUME);
pa_tagstruct_putu32(t, tag = u->ctag++);
pa_tagstruct_putu32(t, PA_INVALID_INDEX);
pa_tagstruct_puts(t, u->sink_name);
pa_tagstruct_put_cvolume(t, &sink->hw_volume);
pa_pstream_send_tagstruct(u->pstream, t);
return 0;
}
static int sink_get_hw_mute(pa_sink *sink) {
struct userdata *u;
assert(sink && sink->userdata);
u = sink->userdata;
return 0;
}
static int sink_set_hw_mute(pa_sink *sink) {
struct userdata *u;
pa_tagstruct *t;
uint32_t tag;
assert(sink && sink->userdata);
u = sink->userdata;
t = pa_tagstruct_new(NULL, 0);
pa_tagstruct_putu32(t, PA_COMMAND_SET_SINK_MUTE);
pa_tagstruct_putu32(t, tag = u->ctag++);
pa_tagstruct_putu32(t, PA_INVALID_INDEX);
pa_tagstruct_puts(t, u->sink_name);
pa_tagstruct_put_boolean(t, !!sink->hw_muted);
pa_pstream_send_tagstruct(u->pstream, t);
return 0;
}
#else #else
static pa_usec_t source_get_latency(pa_source *source) { static pa_usec_t source_get_latency(pa_source *source) {
struct userdata *u; struct userdata *u;
@ -545,6 +742,60 @@ static pa_usec_t source_get_latency(pa_source *source) {
return u->host_latency; return u->host_latency;
} }
static int source_get_hw_volume(pa_source *source) {
struct userdata *u;
assert(source && source->userdata);
u = source->userdata;
return 0;
}
static int source_set_hw_volume(pa_source *source) {
struct userdata *u;
pa_tagstruct *t;
uint32_t tag;
assert(source && source->userdata);
u = source->userdata;
t = pa_tagstruct_new(NULL, 0);
pa_tagstruct_putu32(t, PA_COMMAND_SET_SOURCE_VOLUME);
pa_tagstruct_putu32(t, tag = u->ctag++);
pa_tagstruct_putu32(t, PA_INVALID_INDEX);
pa_tagstruct_puts(t, u->source_name);
pa_tagstruct_put_cvolume(t, &source->hw_volume);
pa_pstream_send_tagstruct(u->pstream, t);
return 0;
}
static int source_get_hw_mute(pa_source *source) {
struct userdata *u;
assert(source && source->userdata);
u = source->userdata;
return 0;
}
static int source_set_hw_mute(pa_source *source) {
struct userdata *u;
pa_tagstruct *t;
uint32_t tag;
assert(source && source->userdata);
u = source->userdata;
t = pa_tagstruct_new(NULL, 0);
pa_tagstruct_putu32(t, PA_COMMAND_SET_SOURCE_MUTE);
pa_tagstruct_putu32(t, tag = u->ctag++);
pa_tagstruct_putu32(t, PA_INVALID_INDEX);
pa_tagstruct_puts(t, u->source_name);
pa_tagstruct_put_boolean(t, !!source->hw_muted);
pa_pstream_send_tagstruct(u->pstream, t);
return 0;
}
#endif #endif
static void timeout_callback(pa_mainloop_api *m, pa_time_event*e, PA_GCC_UNUSED const struct timeval *tv, void *userdata) { static void timeout_callback(pa_mainloop_api *m, pa_time_event*e, PA_GCC_UNUSED const struct timeval *tv, void *userdata) {
@ -651,6 +902,10 @@ int pa__init(pa_core *c, pa_module*m) {
u->sink->notify = sink_notify; u->sink->notify = sink_notify;
u->sink->get_latency = sink_get_latency; u->sink->get_latency = sink_get_latency;
u->sink->get_hw_volume = sink_get_hw_volume;
u->sink->set_hw_volume = sink_set_hw_volume;
u->sink->get_hw_mute = sink_get_hw_mute;
u->sink->set_hw_mute = sink_set_hw_mute;
u->sink->userdata = u; u->sink->userdata = u;
u->sink->description = pa_sprintf_malloc("Tunnel to '%s%s%s'", u->sink_name ? u->sink_name : "", u->sink_name ? "@" : "", u->server_name); u->sink->description = pa_sprintf_malloc("Tunnel to '%s%s%s'", u->sink_name ? u->sink_name : "", u->sink_name ? "@" : "", u->server_name);
@ -662,6 +917,10 @@ int pa__init(pa_core *c, pa_module*m) {
} }
u->source->get_latency = source_get_latency; u->source->get_latency = source_get_latency;
u->source->get_hw_volume = source_get_hw_volume;
u->source->set_hw_volume = source_set_hw_volume;
u->source->get_hw_mute = source_get_hw_mute;
u->source->set_hw_mute = source_set_hw_mute;
u->source->userdata = u; u->source->userdata = u;
u->source->description = pa_sprintf_malloc("Tunnel to '%s%s%s'", u->source_name ? u->source_name : "", u->source_name ? "@" : "", u->server_name); u->source->description = pa_sprintf_malloc("Tunnel to '%s%s%s'", u->source_name ? u->source_name : "", u->source_name ? "@" : "", u->server_name);