summaryrefslogtreecommitdiffstats
path: root/src
diff options
context:
space:
mode:
authorLennart Poettering <lennart@poettering.net>2004-07-07 22:02:15 +0000
committerLennart Poettering <lennart@poettering.net>2004-07-07 22:02:15 +0000
commit863fb90d90c2e57e60a0f5b81e0847319399b8ed (patch)
tree0b6bb67ccbd018ec8e9f97d9c225271aa087a466 /src
parente8d1185c4221fef9d712c1f375d8e592721b6943 (diff)
add output stream draining
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@53 fefdeb5f-60dc-0310-8127-8f9354f1896f
Diffstat (limited to 'src')
-rw-r--r--src/memblockq.c2
-rw-r--r--src/pacat-simple.c6
-rw-r--r--src/pacat.c17
-rw-r--r--src/pdispatch.c43
-rw-r--r--src/pdispatch.h3
-rw-r--r--src/polyp.c61
-rw-r--r--src/polyp.h6
-rw-r--r--src/protocol-native-spec.h1
-rw-r--r--src/protocol-native.c52
-rw-r--r--src/simple.c34
-rw-r--r--src/simple.h2
-rw-r--r--src/todo1
12 files changed, 200 insertions, 28 deletions
diff --git a/src/memblockq.c b/src/memblockq.c
index e5dab687..fb4cbc7e 100644
--- a/src/memblockq.c
+++ b/src/memblockq.c
@@ -228,7 +228,7 @@ void pa_memblockq_empty(struct pa_memblockq *bq) {
int pa_memblockq_is_readable(struct pa_memblockq *bq) {
assert(bq);
- return bq->current_length >= bq->prebuf;
+ return bq->current_length && (bq->current_length >= bq->prebuf);
}
int pa_memblockq_is_writable(struct pa_memblockq *bq, size_t length) {
diff --git a/src/pacat-simple.c b/src/pacat-simple.c
index 8b48bdd3..896df814 100644
--- a/src/pacat-simple.c
+++ b/src/pacat-simple.c
@@ -41,6 +41,12 @@ int main(int argc, char*argv[]) {
}
}
+ /* Make sure that every single sample way played */
+ if (pa_simple_drain(s, &error) < 0) {
+ fprintf(stderr, __FILE__": pa_simple_drain() failed: %s\n", pa_strerror(error));
+ goto finish;
+ }
+
ret = 0;
finish:
diff --git a/src/pacat.c b/src/pacat.c
index 75a94fc0..59ccc462 100644
--- a/src/pacat.c
+++ b/src/pacat.c
@@ -117,6 +117,18 @@ static void context_drain_complete(struct pa_context*c, void *userdata) {
quit(0);
}
+static void stream_drain_complete(struct pa_stream*s, void *userdata) {
+ fprintf(stderr, "Playback stream drained.\n");
+
+ pa_stream_free(stream);
+ stream = NULL;
+
+ if (pa_context_drain(context, context_drain_complete, NULL) < 0)
+ quit(0);
+ else
+ fprintf(stderr, "Draining connection to server.\n");
+}
+
static void stdin_callback(struct pa_mainloop_api*a, void *id, int fd, enum pa_mainloop_api_io_events events, void *userdata) {
size_t l, w = 0;
ssize_t r;
@@ -135,10 +147,7 @@ static void stdin_callback(struct pa_mainloop_api*a, void *id, int fd, enum pa_m
if ((r = read(fd, buffer, l)) <= 0) {
if (r == 0) {
fprintf(stderr, "Got EOF.\n");
- if (pa_context_drain(context, context_drain_complete, NULL) < 0)
- quit(0);
- else
- fprintf(stderr, "Draining connection to server.\n");
+ pa_stream_drain(stream, stream_drain_complete, NULL);
} else {
fprintf(stderr, "read() failed: %s\n", strerror(errno));
quit(1);
diff --git a/src/pdispatch.c b/src/pdispatch.c
index ec454190..b7257dd4 100644
--- a/src/pdispatch.c
+++ b/src/pdispatch.c
@@ -18,6 +18,7 @@ static const char *command_names[PA_COMMAND_MAX] = {
[PA_COMMAND_SET_NAME] = "SET_NAME",
[PA_COMMAND_LOOKUP_SINK] = "LOOKUP_SINK",
[PA_COMMAND_LOOKUP_SOURCE] = "LOOKUP_SOURCE",
+ [PA_COMMAND_DRAIN_PLAYBACK_STREAM] = "DRAIN_PLAYBACK_STREAM",
};
struct reply_info {
@@ -27,6 +28,7 @@ struct reply_info {
void *userdata;
uint32_t tag;
void *mainloop_timeout;
+ int callback_is_running;
};
struct pa_pdispatch {
@@ -77,7 +79,7 @@ struct pa_pdispatch* pa_pdispatch_new(struct pa_mainloop_api *mainloop, const st
void pa_pdispatch_free(struct pa_pdispatch *pd) {
assert(pd);
-
+
if (pd->in_use) {
pd->shall_free = 1;
return;
@@ -109,25 +111,23 @@ int pa_pdispatch_run(struct pa_pdispatch *pd, struct pa_packet*packet, void *use
if (command == PA_COMMAND_ERROR || command == PA_COMMAND_REPLY) {
struct reply_info *r;
- for (r = pd->replies; r; r = r->next) {
- if (r->tag != tag)
- continue;
-
- pd->in_use = 1;
+ for (r = pd->replies; r; r = r->next)
+ if (r->tag == tag)
+ break;
+
+ if (r) {
+ pd->in_use = r->callback_is_running = 1;
assert(r->callback);
r->callback(r->pdispatch, command, tag, ts, r->userdata);
- pd->in_use = 0;
+ pd->in_use = r->callback_is_running = 0;
reply_info_free(r);
- if (pd->shall_free) {
+ if (pd->shall_free)
pa_pdispatch_free(pd);
- break;
+ else {
+ if (pd->drain_callback && !pa_pdispatch_is_pending(pd))
+ pd->drain_callback(pd, pd->drain_userdata);
}
-
- if (pd->drain_callback && !pa_pdispatch_is_pending(r->pdispatch))
- pd->drain_callback(r->pdispatch, r->pdispatch->drain_userdata);
-
- break;
}
} else if (pd->command_table && command < pd->n_commands) {
@@ -169,7 +169,8 @@ void pa_pdispatch_register_reply(struct pa_pdispatch *pd, uint32_t tag, int time
r->callback = cb;
r->userdata = userdata;
r->tag = tag;
-
+ r->callback_is_running = 0;
+
gettimeofday(&tv, NULL);
tv.tv_sec += timeout;
@@ -196,3 +197,15 @@ void pa_pdispatch_set_drain_callback(struct pa_pdispatch *pd, void (*cb)(struct
pd->drain_callback = cb;
pd->drain_userdata = userdata;
}
+
+void pa_pdispatch_unregister_reply(struct pa_pdispatch *pd, void *userdata) {
+ struct reply_info *r, *n;
+ assert(pd);
+
+ for (r = pd->replies; r; r = n) {
+ n = r->next;
+
+ if (!r->callback_is_running && r->userdata == userdata) /* when this item's callback is currently running it is destroyed anyway in the very near future */
+ reply_info_free(r);
+ }
+}
diff --git a/src/pdispatch.h b/src/pdispatch.h
index 35e93829..ac372477 100644
--- a/src/pdispatch.h
+++ b/src/pdispatch.h
@@ -25,4 +25,7 @@ int pa_pdispatch_is_pending(struct pa_pdispatch *pd);
void pa_pdispatch_set_drain_callback(struct pa_pdispatch *pd, void (*cb)(struct pa_pdispatch *pd, void *userdata), void *userdata);
+/* Remove all reply slots with the give userdata parameter */
+void pa_pdispatch_unregister_reply(struct pa_pdispatch *pd, void *userdata);
+
#endif
diff --git a/src/polyp.c b/src/polyp.c
index 9af8d468..0f2a9181 100644
--- a/src/polyp.c
+++ b/src/polyp.c
@@ -75,6 +75,9 @@ struct pa_stream {
void (*create_complete_callback)(struct pa_stream *s, int success, void *userdata);
void *create_complete_userdata;
+
+ void (*drain_complete_callback)(struct pa_stream *s, void *userdata);
+ void *drain_complete_userdata;
void (*die_callback)(struct pa_stream*c, void *userdata);
void *die_userdata;
@@ -538,8 +541,10 @@ struct pa_stream* pa_stream_new(
void pa_stream_free(struct pa_stream *s) {
assert(s && s->context);
- free(s->name);
+ pa_pdispatch_unregister_reply(s->context->pdispatch, s);
+ free(s->name);
+
if (s->channel_valid && s->context->state == CONTEXT_READY) {
struct pa_tagstruct *t = pa_tagstruct_new(NULL, 0);
assert(t);
@@ -683,3 +688,57 @@ int pa_context_drain(
return 0;
}
+
+static void stream_drain_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
+ struct pa_stream *s = userdata;
+ assert(pd && s);
+
+ if (command != PA_COMMAND_REPLY) {
+ if (handle_error(s->context, command, t) < 0) {
+ context_dead(s->context);
+ return;
+ }
+
+ stream_dead(s);
+ return;
+ }
+
+ if (s->state != STREAM_READY)
+ return;
+
+ if (!pa_tagstruct_eof(t)) {
+ s->context->error = PA_ERROR_PROTOCOL;
+ context_dead(s->context);
+ return;
+ }
+
+ if (s->drain_complete_callback) {
+ void (*temp) (struct pa_stream*s, void *userdata) = s->drain_complete_callback;
+ s->drain_complete_callback = NULL;
+ temp(s, s->drain_complete_userdata);
+ }
+}
+
+
+void pa_stream_drain(struct pa_stream *s, void (*complete) (struct pa_stream*s, void *userdata), void *userdata) {
+ struct pa_tagstruct *t;
+ uint32_t tag;
+ assert(s && s->state == STREAM_READY);
+
+ if (!complete) {
+ s->drain_complete_callback = NULL;
+ return;
+ }
+
+ s->drain_complete_callback = complete;
+ s->drain_complete_userdata = userdata;
+
+ t = pa_tagstruct_new(NULL, 0);
+ assert(t);
+
+ pa_tagstruct_putu32(t, PA_COMMAND_DRAIN_PLAYBACK_STREAM);
+ pa_tagstruct_putu32(t, tag = s->context->ctag++);
+ pa_tagstruct_putu32(t, s->channel);
+ pa_pstream_send_tagstruct(s->context->pstream, t);
+ pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, stream_drain_callback, s);
+}
diff --git a/src/polyp.h b/src/polyp.h
index 25ee3bed..c49a72b2 100644
--- a/src/polyp.h
+++ b/src/polyp.h
@@ -46,6 +46,12 @@ struct pa_stream* pa_stream_new(
void pa_stream_free(struct pa_stream *p);
+void pa_stream_drain(
+ struct pa_stream *s,
+ void (*complete) (struct pa_stream*s, void *userdata),
+ void *userdata);
+
+
void pa_stream_set_die_callback(struct pa_stream *s, void (*cb)(struct pa_stream *s, void *userdata), void *userdata);
void pa_stream_set_write_callback(struct pa_stream *p, void (*cb)(struct pa_stream *p, size_t length, void *userdata), void *userdata);
diff --git a/src/protocol-native-spec.h b/src/protocol-native-spec.h
index 7fb9ac4a..fea14cc0 100644
--- a/src/protocol-native-spec.h
+++ b/src/protocol-native-spec.h
@@ -15,6 +15,7 @@ enum {
PA_COMMAND_SET_NAME,
PA_COMMAND_LOOKUP_SINK,
PA_COMMAND_LOOKUP_SOURCE,
+ PA_COMMAND_DRAIN_PLAYBACK_STREAM,
PA_COMMAND_MAX
};
diff --git a/src/protocol-native.c b/src/protocol-native.c
index 42ff4b52..110d0d6b 100644
--- a/src/protocol-native.c
+++ b/src/protocol-native.c
@@ -32,6 +32,8 @@ struct playback_stream {
struct pa_sink_input *sink_input;
struct pa_memblockq *memblockq;
size_t requested_bytes;
+ int drain_request;
+ uint32_t drain_tag;
};
struct connection {
@@ -61,6 +63,7 @@ static void request_bytes(struct playback_stream*s);
static void command_exit(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
static void command_create_playback_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
static void command_delete_playback_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
+static void command_drain_playback_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
static void command_auth(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
static void command_set_name(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
static void command_lookup(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
@@ -71,6 +74,7 @@ static const struct pa_pdispatch_command command_table[PA_COMMAND_MAX] = {
[PA_COMMAND_REPLY] = { NULL },
[PA_COMMAND_CREATE_PLAYBACK_STREAM] = { command_create_playback_stream },
[PA_COMMAND_DELETE_PLAYBACK_STREAM] = { command_delete_playback_stream },
+ [PA_COMMAND_DRAIN_PLAYBACK_STREAM] = { command_drain_playback_stream },
[PA_COMMAND_CREATE_RECORD_STREAM] = { NULL },
[PA_COMMAND_DELETE_RECORD_STREAM] = { NULL },
[PA_COMMAND_AUTH] = { command_auth },
@@ -116,6 +120,7 @@ static struct playback_stream* playback_stream_new(struct connection *c, struct
assert(s->memblockq);
s->requested_bytes = 0;
+ s->drain_request = 0;
pa_idxset_put(c->playback_streams, s, &s->index);
return s;
@@ -124,6 +129,9 @@ static struct playback_stream* playback_stream_new(struct connection *c, struct
static void playback_stream_free(struct playback_stream* p) {
assert(p && p->connection);
+ if (p->drain_request)
+ pa_pstream_send_error(p->connection->pstream, p->drain_tag, PA_ERROR_NOENTITY);
+
pa_idxset_remove_by_data(p->connection->playback_streams, p, NULL);
pa_sink_input_free(p->sink_input);
pa_memblockq_free(p->memblockq);
@@ -199,6 +207,11 @@ static void sink_input_drop_cb(struct pa_sink_input *i, size_t length) {
pa_memblockq_drop(s->memblockq, length);
request_bytes(s);
+
+ if (s->drain_request && !pa_memblockq_is_readable(s->memblockq)) {
+ pa_pstream_send_simple_ack(s->connection->pstream, s->drain_tag);
+ s->drain_request = 0;
+ }
}
static void sink_input_kill_cb(struct pa_sink_input *i) {
@@ -258,7 +271,7 @@ static void command_create_playback_stream(struct pa_pdispatch *pd, uint32_t com
sink = pa_idxset_get_by_index(c->protocol->core->sinks, sink_index);
if (!sink) {
- pa_pstream_send_error(c->pstream, tag, PA_ERROR_EXIST);
+ pa_pstream_send_error(c->pstream, tag, PA_ERROR_NOENTITY);
return;
}
@@ -373,6 +386,11 @@ static void command_lookup(struct pa_pdispatch *pd, uint32_t command, uint32_t t
return;
}
+ if (!c->authorized) {
+ pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
+ return;
+ }
+
if (command == PA_COMMAND_LOOKUP_SINK) {
struct pa_sink *sink;
if ((sink = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SINK)))
@@ -397,6 +415,38 @@ static void command_lookup(struct pa_pdispatch *pd, uint32_t command, uint32_t t
}
}
+static void command_drain_playback_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ uint32_t index;
+ struct playback_stream *s;
+ assert(c && t);
+
+ if (pa_tagstruct_getu32(t, &index) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ if (!c->authorized) {
+ pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
+ return;
+ }
+
+ if (!(s = pa_idxset_get_by_index(c->playback_streams, index))) {
+ pa_pstream_send_error(c->pstream, tag, PA_ERROR_NOENTITY);
+ return;
+ }
+
+ s->drain_request = 0;
+
+ if (!pa_memblockq_is_readable(s->memblockq))
+ pa_pstream_send_simple_ack(c->pstream, tag);
+ else {
+ s->drain_request = 1;
+ s->drain_tag = tag;
+ }
+}
+
/*** pstream callbacks ***/
static void packet_callback(struct pa_pstream *p, struct pa_packet *packet, void *userdata) {
diff --git a/src/simple.c b/src/simple.c
index cf31ac52..50bfea43 100644
--- a/src/simple.c
+++ b/src/simple.c
@@ -11,23 +11,25 @@ struct pa_simple {
struct pa_context *context;
struct pa_stream *stream;
- int dead;
+ int dead, drained;
};
static int iterate(struct pa_simple *p, int block, int *perror) {
- assert(p && p->context && p->mainloop && perror);
+ assert(p && p->context && p->mainloop);
if (!block && !pa_context_is_pending(p->context))
return 0;
do {
if (pa_context_is_dead(p->context) || (p->stream && pa_stream_is_dead(p->stream))) {
- *perror = pa_context_errno(p->context);
+ if (perror)
+ *perror = pa_context_errno(p->context);
return -1;
}
if (pa_mainloop_iterate(p->mainloop, 1, NULL) < 0) {
- *perror = PA_ERROR_INTERNAL;
+ if (perror)
+ *perror = PA_ERROR_INTERNAL;
return -1;
}
} while (pa_context_is_pending(p->context));
@@ -83,7 +85,8 @@ struct pa_simple* pa_simple_new(
return p;
fail:
- *perror = error;
+ if (perror)
+ *perror = error;
pa_simple_free(p);
return NULL;
}
@@ -132,3 +135,24 @@ int pa_simple_read(struct pa_simple *s, void*data, size_t length, int *perror) {
assert(0);
}
+
+static void drain_complete(struct pa_stream *s, void *userdata) {
+ struct pa_simple *p = userdata;
+ assert(s && p);
+ p->drained = 1;
+}
+
+int pa_simple_drain(struct pa_simple *p, int *perror) {
+ assert(p);
+ p->drained = 0;
+ pa_stream_drain(p->stream, drain_complete, p);
+
+ while (!p->drained) {
+ if (iterate(p, 1, perror) < 0) {
+ pa_stream_drain(p->stream, NULL, NULL);
+ return -1;
+ }
+ }
+
+ return 0;
+}
diff --git a/src/simple.h b/src/simple.h
index ed181201..f5f872ee 100644
--- a/src/simple.h
+++ b/src/simple.h
@@ -21,6 +21,8 @@ struct pa_simple* pa_simple_new(
void pa_simple_free(struct pa_simple *s);
int pa_simple_write(struct pa_simple *s, const void*data, size_t length, int *error);
+int pa_simple_drain(struct pa_simple *s, int *error);
+
int pa_simple_read(struct pa_simple *s, void*data, size_t length, int *error);
#endif
diff --git a/src/todo b/src/todo
index 57040cd8..93ba2821 100644
--- a/src/todo
+++ b/src/todo
@@ -1,6 +1,5 @@
- recording (general, simple, esound, native)
- native library/protocol:
- sync() function
more functions (esp. latency)
- simple library