protocol-native-spec.h \
mainloop-api.c mainloop-api.h \
mainloop.c mainloop.h \
+ mainloop-signal.c mainloop-signal.h \
idxset.c idxset.h \
util.c util.h \
memblock.c memblock.h \
libpolyp_simple_la_SOURCES = simple.c simple.h
libpolyp_simple_la_CFLAGS = $(AM_CFLAGS)
-libpolyp_simple_la_LIBADD = libpolyp.la #libpolyp-error.la
+libpolyp_simple_la_LIBADD = libpolyp.la
+#libpolyp-error.la
-pacat_SOURCES = pacat.c #$(libpolyp_la_SOURCES)
-pacat_LDADD = libpolyp.la
+pacat_SOURCES = pacat.c $(libpolyp_la_SOURCES) $(libpolyp_error_la_SOURCES)
+#pacat_LDADD = libpolyp.la
pacat_CFLAGS = $(AM_CFLAGS)
-pacat_simple_SOURCES = pacat-simple.c
-pacat_simple_LDADD = libpolyp-simple.a
+pacat_simple_SOURCES = pacat-simple.c $(libpolyp_la_SOURCES) $(libpolyp_simple_la_SOURCES) $(libpolyp_error_la_SOURCES)
+#pacat_simple_LDADD = libpolyp-simple.la libpolyp-error.la
pacat_simple_CFLAGS = $(AM_CFLAGS)
pa_strbuf_printf(s, "%u client(s).\n", pa_idxset_ncontents(c->clients));
for (client = pa_idxset_first(c->clients, &index); client; client = pa_idxset_next(c->clients, &index))
- pa_strbuf_printf(s, " index: %u, name: <%s>, protocol_name: <%s>\n", client->index, client->name, client->protocol_name);
+ pa_strbuf_printf(s, " index: %u\n\tname: <%s>\n\tprotocol_name: <%s>\n", client->index, client->name, client->protocol_name);
return pa_strbuf_tostring_free(s);
}
#include "sink.h"
#include "source.h"
#include "namereg.h"
+#include "util.h"
struct pa_core* pa_core_new(struct pa_mainloop_api *m) {
struct pa_core* c;
c->modules = NULL;
c->namereg = NULL;
+
+ pa_check_for_sigpipe();
return c;
};
#include <sys/types.h>
#include "mainloop-api.h"
+/* It is safe to destroy the calling iochannel object from the callback */
+
struct pa_iochannel;
struct pa_iochannel* pa_iochannel_new(struct pa_mainloop_api*m, int ifd, int ofd);
static struct pa_mainloop *mainloop;
-static void signal_callback(void *id, int sig, void *userdata) {
+static void exit_signal_callback(void *id, int sig, void *userdata) {
struct pa_mainloop_api* m = pa_mainloop_get_api(mainloop);
m->quit(m, 1);
- fprintf(stderr, "main: got signal.\n");
+ fprintf(stderr, __FILE__": got signal.\n");
+}
+
+static void aux_signal_callback(void *id, int sig, void *userdata) {
+ struct pa_core *c = userdata;
+ assert(c);
+ pa_module_load(c, sig == SIGUSR1 ? "module-cli" : "module-cli-protocol-unix", NULL);
}
int main(int argc, char *argv[]) {
r = pa_signal_init(pa_mainloop_get_api(mainloop));
assert(r == 0);
- pa_signal_register(SIGINT, signal_callback, NULL);
+ pa_signal_register(SIGINT, exit_signal_callback, NULL);
signal(SIGPIPE, SIG_IGN);
c = pa_core_new(pa_mainloop_get_api(mainloop));
assert(c);
-
+
pa_module_load(c, "module-oss", "/dev/dsp");
/* pa_module_load(c, "module-pipe-sink", NULL);*/
pa_module_load(c, "module-simple-protocol-tcp", NULL);
pa_module_load(c, "module-native-protocol-unix", NULL);
pa_module_load(c, "module-esound-protocol-tcp", NULL);
pa_module_load(c, "module-cli", NULL);
+
+ pa_signal_register(SIGUSR1, aux_signal_callback, c);
+ pa_signal_register(SIGUSR2, aux_signal_callback, c);
fprintf(stderr, "main: mainloop entry.\n");
if (pa_mainloop_run(mainloop, &retval) < 0)
struct pa_memblockq {
struct memblock_list *blocks, *blocks_tail;
unsigned n_blocks;
- size_t total_length, maxlength, base, prebuf;
+ size_t current_length, maxlength, tlength, base, prebuf, minreq;
int measure_delay;
uint32_t delay;
struct pa_mcalign *mcalign;
};
-struct pa_memblockq* pa_memblockq_new(size_t maxlength, size_t base, size_t prebuf) {
+struct pa_memblockq* pa_memblockq_new(size_t maxlength, size_t tlength, size_t base, size_t prebuf, size_t minreq) {
struct pa_memblockq* bq;
- assert(maxlength && base);
+ assert(maxlength && base && maxlength);
bq = malloc(sizeof(struct pa_memblockq));
assert(bq);
bq->blocks = bq->blocks_tail = 0;
bq->n_blocks = 0;
- bq->total_length = 0;
+
+ bq->current_length = 0;
+
+ fprintf(stderr, "memblockq requested: maxlength=%u, tlength=%u, base=%u, prebuf=%u, minreq=%u\n", maxlength, tlength, base, prebuf, minreq);
+
bq->base = base;
+
bq->maxlength = ((maxlength+base-1)/base)*base;
- bq->prebuf = prebuf == (size_t) -1 ? bq->maxlength/2 : prebuf;
+ assert(bq->maxlength >= base);
+
+ bq->tlength = ((tlength+base-1)/base)*base;
+ if (bq->tlength == 0 || bq->tlength >= bq->maxlength)
+ bq->tlength = bq->maxlength;
+ bq->prebuf = (prebuf == (size_t) -1) ? bq->maxlength/2 : prebuf;
+ bq->prebuf = (bq->prebuf/base)*base;
if (bq->prebuf > bq->maxlength)
bq->prebuf = bq->maxlength;
- assert(bq->maxlength >= base);
+ bq->minreq = (minreq/base)*base;
+ if (bq->minreq == 0)
+ bq->minreq = 1;
+ fprintf(stderr, "memblockq sanitized: maxlength=%u, tlength=%u, base=%u, prebuf=%u, minreq=%u\n", bq->maxlength, bq->tlength, bq->base, bq->prebuf, bq->minreq);
+
bq->measure_delay = 0;
bq->delay = 0;
bq->blocks_tail = q;
bq->n_blocks++;
- bq->total_length += chunk->length;
+ bq->current_length += chunk->length;
pa_memblockq_shorten(bq, bq->maxlength);
}
int pa_memblockq_peek(struct pa_memblockq* bq, struct pa_memchunk *chunk) {
assert(bq && chunk);
- if (!bq->blocks || bq->total_length < bq->prebuf)
+ if (!bq->blocks || bq->current_length < bq->prebuf)
return -1;
bq->prebuf = 0;
assert(bq && chunk);
- if (!bq->blocks || bq->total_length < bq->prebuf)
+ if (!bq->blocks || bq->current_length < bq->prebuf)
return -1;
bq->prebuf = 0;
*chunk = q->chunk;
bq->n_blocks--;
- bq->total_length -= chunk->length;
+ bq->current_length -= chunk->length;
free(q);
return 0;
while (length > 0) {
size_t l = length;
- assert(bq->blocks && bq->total_length >= length);
+ assert(bq->blocks && bq->current_length >= length);
if (l > bq->blocks->chunk.length)
l = bq->blocks->chunk.length;
bq->blocks->chunk.index += l;
bq->blocks->chunk.length -= l;
- bq->total_length -= l;
+ bq->current_length -= l;
if (bq->blocks->chunk.length == 0) {
struct memblock_list *q;
size_t l;
assert(bq);
- if (bq->total_length <= length)
+ if (bq->current_length <= length)
return;
fprintf(stderr, "Warning! pa_memblockq_shorten()\n");
- l = bq->total_length - length;
+ l = bq->current_length - length;
l /= bq->base;
l *= bq->base;
int pa_memblockq_is_readable(struct pa_memblockq *bq) {
assert(bq);
- return bq->total_length >= bq->prebuf;
+ return bq->current_length >= bq->prebuf;
}
int pa_memblockq_is_writable(struct pa_memblockq *bq, size_t length) {
assert(bq);
- assert(length <= bq->maxlength);
- return bq->total_length + length <= bq->maxlength;
+ return bq->current_length + length <= bq->tlength;
}
uint32_t pa_memblockq_get_delay(struct pa_memblockq *bq) {
uint32_t pa_memblockq_get_length(struct pa_memblockq *bq) {
assert(bq);
- return bq->total_length;
+ return bq->current_length;
}
-uint32_t pa_memblockq_missing_to(struct pa_memblockq *bq, size_t qlen) {
- assert(bq && qlen);
+uint32_t pa_memblockq_missing(struct pa_memblockq *bq) {
+ size_t l;
+ assert(bq);
- if (bq->total_length >= qlen)
+ if (bq->current_length >= bq->tlength)
return 0;
- return qlen - bq->total_length;
+ l = bq->tlength - bq->current_length;
+ assert(l);
+
+ return (l >= bq->minreq) ? l : 0;
}
void pa_memblockq_push_align(struct pa_memblockq* bq, const struct pa_memchunk *chunk, size_t delta) {
delta = 0;
}
}
+
+uint32_t pa_memblockq_get_minreq(struct pa_memblockq *bq) {
+ assert(bq);
+ return bq->minreq;
+}
struct pa_memblockq;
-/* Parameters: the maximum length of the memblock queue, a base value
-for all operations (that is, all byte operations shall work on
-multiples of this base value) and an amount of bytes to prebuffer
-before having pa_memblockq_peek() succeed. */
-struct pa_memblockq* pa_memblockq_new(size_t maxlength, size_t base, size_t prebuf);
+/* Parameters:
+ - maxlength: maximum length of queue. If more data is pushed into the queue, data from the front is dropped
+ - length: the target length of the queue.
+ - base: a base value for all metrics. Only multiples of this value are popped from the queue
+ - prebuf: before passing the first byte out, make sure that enough bytes are in the queue
+ - minreq: pa_memblockq_missing() will only return values greater than this value
+*/
+struct pa_memblockq* pa_memblockq_new(size_t maxlength,
+ size_t tlength,
+ size_t base,
+ size_t prebuf,
+ size_t minreq);
void pa_memblockq_free(struct pa_memblockq*bq);
/* Push a new memory chunk into the queue. Optionally specify a value for future cancellation. This is currently not implemented, however! */
uint32_t pa_memblockq_get_length(struct pa_memblockq *bq);
/* Return how many bytes are missing in queue to the specified fill amount */
-uint32_t pa_memblockq_missing_to(struct pa_memblockq *bq, size_t qlen);
+uint32_t pa_memblockq_missing(struct pa_memblockq *bq);
+
+
+uint32_t pa_memblockq_get_minreq(struct pa_memblockq *bq);
#endif
pa_module_unload_request(m->core, m);
}
-int module_init(struct pa_core *c, struct pa_module*m) {
+int pa_module_init(struct pa_core *c, struct pa_module*m) {
struct pa_iochannel *io;
assert(c && m);
return 0;
}
-void module_done(struct pa_core *c, struct pa_module*m) {
+void pa_module_done(struct pa_core *c, struct pa_module*m) {
assert(c && m);
pa_cli_free(m->userdata);
return pa_samples_usec(u->out_fill, &s->sample_spec);
}
-int module_init(struct pa_core *c, struct pa_module*m) {
+int pa_module_init(struct pa_core *c, struct pa_module*m) {
struct audio_buf_info info;
struct userdata *u = NULL;
char *p;
return pa_samples_usec(arg, &s->sample_spec);
}
-int module_init(struct pa_core *c, struct pa_module*m) {
+int pa_module_init(struct pa_core *c, struct pa_module*m) {
struct audio_buf_info info;
struct userdata *u = NULL;
char *p;
return -1;
}
-void module_done(struct pa_core *c, struct pa_module*m) {
+void pa_module_done(struct pa_core *c, struct pa_module*m) {
struct userdata *u;
assert(c && m);
do_write(u);
}
-int module_init(struct pa_core *c, struct pa_module*m) {
+int pa_module_init(struct pa_core *c, struct pa_module*m) {
struct userdata *u = NULL;
struct stat st;
char *p;
return -1;
}
-void module_done(struct pa_core *c, struct pa_module*m) {
+void pa_module_done(struct pa_core *c, struct pa_module*m) {
struct userdata *u;
assert(c && m);
#endif
#endif
-int module_init(struct pa_core *c, struct pa_module*m) {
+int pa_module_init(struct pa_core *c, struct pa_module*m) {
struct pa_socket_server *s;
assert(c && m);
return 0;
}
-void module_done(struct pa_core *c, struct pa_module*m) {
+void pa_module_done(struct pa_core *c, struct pa_module*m) {
assert(c && m);
protocol_free(m->userdata);
if (!(m->dl = lt_dlopenext(name)))
goto fail;
- if (!(m->init = lt_dlsym(m->dl, "module_init")))
+ if (!(m->init = lt_dlsym(m->dl, "pa_module_init")))
goto fail;
- if (!(m->done = lt_dlsym(m->dl, "module_done")))
+ if (!(m->done = lt_dlsym(m->dl, "pa_module_done")))
goto fail;
m->userdata = NULL;
pa_strbuf_printf(s, "%u module(s) loaded.\n", pa_idxset_ncontents(c->modules));
for (m = pa_idxset_first(c->modules, &index); m; m = pa_idxset_next(c->modules, &index))
- pa_strbuf_printf(s, " index: %u, name: <%s>, argument: <%s>\n", m->index, m->name, m->argument);
+ pa_strbuf_printf(s, " index: %u\n\tname: <%s>\n\targument: <%s>\n", m->index, m->name, m->argument);
return pa_strbuf_tostring_free(s);
}
void pa_module_unload_request(struct pa_core *c, struct pa_module *m);
+/* These to following prototypes are for module entrypoints and not implemented by the core */
+int pa_module_init(struct pa_core *c, struct pa_module*m);
+void pa_module_done(struct pa_core *c, struct pa_module*m);
+
#endif
int error;
if (!(s = pa_simple_new(NULL, argv[0], PA_STREAM_PLAYBACK, NULL, "playback", &ss, NULL, &error))) {
- fprintf(stderr, "Failed to connect to server: %s\n", pa_strerror(error));
+ fprintf(stderr, __FILE__": pa_simple_new() failed: %s\n", pa_strerror(error));
goto finish;
}
if (r == 0) /* eof */
break;
- fprintf(stderr, "read() failed: %s\n", strerror(errno));
+ fprintf(stderr, __FILE__": read() failed: %s\n", strerror(errno));
goto finish;
}
if (pa_simple_write(s, buf, r, &error) < 0) {
- fprintf(stderr, "Failed to write data: %s\n", pa_strerror(error));
+ fprintf(stderr, __FILE__": pa_simple_write() failed: %s\n", pa_strerror(error));
goto finish;
}
}
-
+
ret = 0;
finish:
+#include <signal.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include "polyp.h"
+#include "polyp-error.h"
#include "mainloop.h"
+#include "mainloop-signal.h"
static struct pa_context *context = NULL;
static struct pa_stream *stream = NULL;
static void* stdin_source = NULL;
+static void quit(int ret) {
+ assert(mainloop_api);
+ mainloop_api->quit(mainloop_api, ret);
+}
+
static void context_die_callback(struct pa_context *c, void *userdata) {
assert(c);
fprintf(stderr, "Connection to server shut down, exiting.\n");
- mainloop_api->quit(mainloop_api, 1);
+ quit(1);
}
static void stream_die_callback(struct pa_stream *s, void *userdata) {
assert(s);
fprintf(stderr, "Stream deleted, exiting.\n");
- mainloop_api->quit(mainloop_api, 1);
+ quit(1);
}
static void do_write(size_t length) {
size_t l;
- assert(buffer && buffer_length);
+ assert(length);
+
+ if (!buffer || !buffer_length)
+ return;
l = length;
if (l > buffer_length)
static void stream_write_callback(struct pa_stream *s, size_t length, void *userdata) {
assert(s && length);
-
- mainloop_api->enable_io(mainloop_api, stdin_source, PA_MAINLOOP_API_IO_EVENT_INPUT);
+
+ if (stdin_source)
+ mainloop_api->enable_io(mainloop_api, stdin_source, PA_MAINLOOP_API_IO_EVENT_INPUT);
if (!buffer)
return;
assert(s);
if (!success) {
- fprintf(stderr, "Stream creation failed.\n");
- mainloop_api->quit(mainloop_api, 1);
+ fprintf(stderr, "Stream creation failed: %s\n", pa_strerror(pa_context_errno(pa_stream_get_context(s))));
+ quit(1);
return;
}
- pa_stream_set_die_callback(s, stream_die_callback, NULL);
- pa_stream_set_write_callback(s, stream_write_callback, NULL);
+ fprintf(stderr, "Stream created.\n");
}
static void context_complete_callback(struct pa_context *c, int success, void *userdata) {
assert(c && !stream);
if (!success) {
- fprintf(stderr, "Connection failed\n");
+ fprintf(stderr, "Connection failed: %s\n", pa_strerror(pa_context_errno(c)));
goto fail;
}
+
+ fprintf(stderr, "Connection established.\n");
if (!(stream = pa_stream_new(c, PA_STREAM_PLAYBACK, NULL, "pacat", &ss, NULL, stream_complete_callback, NULL))) {
- fprintf(stderr, "pa_stream_new() failed.\n");
+ fprintf(stderr, "pa_stream_new() failed: %s\n", pa_strerror(pa_context_errno(c)));
goto fail;
}
+ pa_stream_set_die_callback(stream, stream_die_callback, NULL);
+ pa_stream_set_write_callback(stream, stream_write_callback, NULL);
+
return;
fail:
- mainloop_api->quit(mainloop_api, 1);
+ quit(1);
+}
+
+static void context_drain_complete(struct pa_context*c, void *userdata) {
+ quit(0);
}
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;
- assert(a == mainloop_api && id && fd == STDIN_FILENO && events == PA_MAINLOOP_API_IO_EVENT_INPUT);
+ assert(a == mainloop_api && id && fd == STDIN_FILENO && events == PA_MAINLOOP_API_IO_EVENT_INPUT && stdin_source == id);
if (buffer) {
mainloop_api->enable_io(mainloop_api, stdin_source, PA_MAINLOOP_API_IO_EVENT_NULL);
return;
}
- if (!stream || !(l = w = pa_stream_writable_size(stream)))
+ if (!stream || !pa_stream_is_ready(stream) || !(l = w = pa_stream_writable_size(stream)))
l = 4096;
+
buffer = malloc(l);
assert(buffer);
if ((r = read(fd, buffer, l)) <= 0) {
- if (r == 0)
- mainloop_api->quit(mainloop_api, 0);
- else {
+ 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");
+ } else {
fprintf(stderr, "read() failed: %s\n", strerror(errno));
- mainloop_api->quit(mainloop_api, 1);
+ quit(1);
}
+ mainloop_api->cancel_io(mainloop_api, stdin_source);
+ stdin_source = NULL;
return;
}
do_write(w);
}
+
+static void exit_signal_callback(void *id, int sig, void *userdata) {
+ fprintf(stderr, "Got SIGINT, exiting.\n");
+ quit(0);
+}
+
int main(int argc, char *argv[]) {
struct pa_mainloop* m;
- int ret = 1;
+ int ret = 1, r;
if (!(m = pa_mainloop_new())) {
fprintf(stderr, "pa_mainloop_new() failed.\n");
mainloop_api = pa_mainloop_get_api(m);
+ r = pa_signal_init(mainloop_api);
+ assert(r == 0);
+ pa_signal_register(SIGINT, exit_signal_callback, NULL);
+ signal(SIGPIPE, SIG_IGN);
+
if (!(stdin_source = mainloop_api->source_io(mainloop_api, STDIN_FILENO, PA_MAINLOOP_API_IO_EVENT_INPUT, stdin_callback, NULL))) {
fprintf(stderr, "source_io() failed.\n");
goto quit;
#include "pdispatch.h"
#include "protocol-native-spec.h"
+static const char *command_names[PA_COMMAND_MAX] = {
+ [PA_COMMAND_ERROR] = "ERROR",
+ [PA_COMMAND_TIMEOUT] = "TIMEOUT",
+ [PA_COMMAND_REPLY] = "REPLY",
+ [PA_COMMAND_CREATE_PLAYBACK_STREAM] = "CREATE_PLAYBACK_STREAM",
+ [PA_COMMAND_DELETE_PLAYBACK_STREAM] = "DELETE_PLAYBACK_STREAM",
+ [PA_COMMAND_CREATE_RECORD_STREAM] = "CREATE_RECORD_STREAM",
+ [PA_COMMAND_DELETE_RECORD_STREAM] = "DELETE_RECORD_STREAM",
+ [PA_COMMAND_AUTH] = "AUTH",
+ [PA_COMMAND_REQUEST] = "REQUEST",
+ [PA_COMMAND_EXIT] = "EXIT",
+ [PA_COMMAND_SET_NAME] = "SET_NAME",
+ [PA_COMMAND_LOOKUP_SINK] = "LOOKUP_SINK",
+ [PA_COMMAND_LOOKUP_SOURCE] = "LOOKUP_SOURCE",
+};
+
struct reply_info {
struct pa_pdispatch *pdispatch;
struct reply_info *next, *previous;
- int (*callback)(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
+ void (*callback)(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
void *userdata;
uint32_t tag;
void *mainloop_timeout;
const struct pa_pdispatch_command *command_table;
unsigned n_commands;
struct reply_info *replies;
+ void (*drain_callback)(struct pa_pdispatch *pd, void *userdata);
+ void *drain_userdata;
+ int in_use, shall_free;
};
static void reply_info_free(struct reply_info *r) {
pd->command_table = table;
pd->n_commands = entries;
pd->replies = NULL;
+ pd->drain_callback = NULL;
+ pd->drain_userdata = NULL;
+
+ pd->in_use = pd->shall_free = 0;
return pd;
}
void pa_pdispatch_free(struct pa_pdispatch *pd) {
assert(pd);
+
+ if (pd->in_use) {
+ pd->shall_free = 1;
+ return;
+ }
+
while (pd->replies)
reply_info_free(pd->replies);
free(pd);
int pa_pdispatch_run(struct pa_pdispatch *pd, struct pa_packet*packet, void *userdata) {
uint32_t tag, command;
- assert(pd && packet);
struct pa_tagstruct *ts = NULL;
- assert(pd && packet && packet->data);
+ int ret = -1;
+ assert(pd && packet && packet->data && !pd->in_use);
if (packet->length <= 8)
- goto fail;
+ goto finish;
ts = pa_tagstruct_new(packet->data, packet->length);
assert(ts);
if (pa_tagstruct_getu32(ts, &command) < 0 ||
pa_tagstruct_getu32(ts, &tag) < 0)
- goto fail;
+ goto finish;
+
+ /*fprintf(stderr, __FILE__": Recieved opcode <%s>\n", command_names[command]);*/
if (command == PA_COMMAND_ERROR || command == PA_COMMAND_REPLY) {
struct reply_info *r;
- int done = 0;
for (r = pd->replies; r; r = r->next) {
- if (r->tag == tag) {
- int ret = r->callback(r->pdispatch, command, tag, ts, r->userdata);
- reply_info_free(r);
-
- if (ret < 0)
- goto fail;
-
- done = 1;
+ if (r->tag != tag)
+ continue;
+
+ pd->in_use = 1;
+ assert(r->callback);
+ r->callback(r->pdispatch, command, tag, ts, r->userdata);
+ pd->in_use = 0;
+ reply_info_free(r);
+
+ if (pd->shall_free) {
+ pa_pdispatch_free(pd);
break;
}
- }
- if (!done)
- goto fail;
+ 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) {
const struct pa_pdispatch_command *c = pd->command_table+command;
- if (!c->proc)
- goto fail;
-
- if (c->proc(pd, command, tag, ts, userdata) < 0)
- goto fail;
+ if (c->proc)
+ c->proc(pd, command, tag, ts, userdata);
} else
- goto fail;
-
- pa_tagstruct_free(ts);
-
- return 0;
+ goto finish;
-fail:
+ ret = 0;
+
+finish:
if (ts)
pa_tagstruct_free(ts);
- return -1;
+ return ret;
}
static void timeout_callback(struct pa_mainloop_api*m, void *id, const struct timeval *tv, void *userdata) {
r->callback(r->pdispatch, PA_COMMAND_TIMEOUT, r->tag, NULL, r->userdata);
reply_info_free(r);
+
+ if (r->pdispatch->drain_callback && !pa_pdispatch_is_pending(r->pdispatch))
+ r->pdispatch->drain_callback(r->pdispatch, r->pdispatch->drain_userdata);
}
-void pa_pdispatch_register_reply(struct pa_pdispatch *pd, uint32_t tag, int timeout, int (*cb)(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata), void *userdata) {
+void pa_pdispatch_register_reply(struct pa_pdispatch *pd, uint32_t tag, int timeout, void (*cb)(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata), void *userdata) {
struct reply_info *r;
struct timeval tv;
assert(pd && cb);
r->next->previous = r;
pd->replies = r;
}
+
+int pa_pdispatch_is_pending(struct pa_pdispatch *pd) {
+ assert(pd);
+
+ return !!pd->replies;
+}
+
+void pa_pdispatch_set_drain_callback(struct pa_pdispatch *pd, void (*cb)(struct pa_pdispatch *pd, void *userdata), void *userdata) {
+ assert(pd);
+ assert(!cb || pa_pdispatch_is_pending(pd));
+
+ pd->drain_callback = cb;
+ pd->drain_userdata = userdata;
+}
struct pa_pdispatch;
+/* It is safe to destroy the calling pdispatch object from all callbacks */
+
struct pa_pdispatch_command {
- int (*proc)(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
+ void (*proc)(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
};
struct pa_pdispatch* pa_pdispatch_new(struct pa_mainloop_api *m, const struct pa_pdispatch_command*table, unsigned entries);
int pa_pdispatch_run(struct pa_pdispatch *pd, struct pa_packet*p, void *userdata);
-void pa_pdispatch_register_reply(struct pa_pdispatch *pd, uint32_t tag, int timeout, int (*cb)(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata), void *userdata);
+void pa_pdispatch_register_reply(struct pa_pdispatch *pd, uint32_t tag, int timeout, void (*cb)(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata), void *userdata);
+
+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);
#endif
#include "socket-client.h"
#include "pstream-util.h"
#include "authkey.h"
+#include "util.h"
-#define DEFAULT_QUEUE_LENGTH 10240
-#define DEFAULT_MAX_LENGTH 20480
+#define DEFAULT_MAXLENGTH 20480
+#define DEFAULT_TLENGTH 10240
#define DEFAULT_PREBUF 4096
+#define DEFAULT_MINREQ 1024
+
#define DEFAULT_TIMEOUT (5*60)
#define DEFAULT_SERVER "/tmp/polypaudio/native"
struct pa_stream *first_stream;
uint32_t ctag;
uint32_t error;
- enum { CONTEXT_UNCONNECTED, CONTEXT_CONNECTING, CONTEXT_AUTHORIZING, CONTEXT_SETTING_NAME, CONTEXT_READY, CONTEXT_DEAD} state;
+ enum {
+ CONTEXT_UNCONNECTED,
+ CONTEXT_CONNECTING,
+ CONTEXT_AUTHORIZING,
+ CONTEXT_SETTING_NAME,
+ CONTEXT_READY,
+ CONTEXT_DEAD
+ } state;
void (*connect_complete_callback)(struct pa_context*c, int success, void *userdata);
void *connect_complete_userdata;
+ void (*drain_complete_callback)(struct pa_context*c, void *userdata);
+ void *drain_complete_userdata;
+
void (*die_callback)(struct pa_context*c, void *userdata);
void *die_userdata;
-
+
uint8_t auth_cookie[PA_NATIVE_COOKIE_LENGTH];
};
struct pa_stream {
struct pa_context *context;
struct pa_stream *next, *previous;
+
+ char *name;
+ struct pa_buffer_attr buffer_attr;
+ struct pa_sample_spec sample_spec;
uint32_t device_index;
uint32_t channel;
int channel_valid;
enum pa_stream_direction direction;
- enum { STREAM_CREATING, STREAM_READY, STREAM_DEAD} state;
+
+ enum { STREAM_LOOKING_UP, STREAM_CREATING, STREAM_READY, STREAM_DEAD} state;
uint32_t requested_bytes;
void (*read_callback)(struct pa_stream *p, const void*data, size_t length, void *userdata);
void *die_userdata;
};
-static int command_request(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
+static void command_request(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
static const struct pa_pdispatch_command command_table[PA_COMMAND_MAX] = {
[PA_COMMAND_ERROR] = { NULL },
};
struct pa_context *pa_context_new(struct pa_mainloop_api *mainloop, const char *name) {
- assert(mainloop && name);
struct pa_context *c;
+ assert(mainloop && name);
+
c = malloc(sizeof(struct pa_context));
assert(c);
c->name = strdup(name);
c->connect_complete_callback = NULL;
c->connect_complete_userdata = NULL;
+ c->drain_complete_callback = NULL;
+ c->drain_complete_userdata = NULL;
+
c->die_callback = NULL;
c->die_userdata = NULL;
-
+
+ pa_check_for_sigpipe();
return c;
}
}
static void stream_dead(struct pa_stream *s) {
+ assert(s);
+
if (s->state == STREAM_DEAD)
return;
-
- s->state = STREAM_DEAD;
- if (s->die_callback)
- s->die_callback(s, s->die_userdata);
+
+ if (s->state == STREAM_READY) {
+ s->state = STREAM_DEAD;
+ if (s->die_callback)
+ s->die_callback(s, s->die_userdata);
+ } else
+ s->state = STREAM_DEAD;
}
static void context_dead(struct pa_context *c) {
struct pa_stream *s;
assert(c);
- for (s = c->first_stream; s; s = s->next)
- stream_dead(s);
-
if (c->state == CONTEXT_DEAD)
return;
+
+ if (c->pdispatch)
+ pa_pdispatch_free(c->pdispatch);
+ c->pdispatch = NULL;
+
+ if (c->pstream)
+ pa_pstream_free(c->pstream);
+ c->pstream = NULL;
+
+ if (c->client)
+ pa_socket_client_free(c->client);
+ c->client = NULL;
- c->state = CONTEXT_DEAD;
- if (c->die_callback)
- c->die_callback(c, c->die_userdata);
+ for (s = c->first_stream; s; s = s->next)
+ stream_dead(s);
+
+ if (c->state == CONTEXT_READY) {
+ c->state = CONTEXT_DEAD;
+ if (c->die_callback)
+ c->die_callback(c, c->die_userdata);
+ } else
+ s->state = CONTEXT_DEAD;
}
static void pstream_die_callback(struct pa_pstream *p, void *userdata) {
struct pa_context *c = userdata;
assert(p && c);
-
- assert(c->state != CONTEXT_DEAD);
-
- c->state = CONTEXT_DEAD;
-
context_dead(c);
}
-static int pstream_packet_callback(struct pa_pstream *p, struct pa_packet *packet, void *userdata) {
+static void pstream_packet_callback(struct pa_pstream *p, struct pa_packet *packet, void *userdata) {
struct pa_context *c = userdata;
assert(p && packet && c);
if (pa_pdispatch_run(c->pdispatch, packet, c) < 0) {
fprintf(stderr, "polyp.c: invalid packet.\n");
context_dead(c);
- return -1;
}
-
-
- return 0;
}
-static int pstream_memblock_callback(struct pa_pstream *p, uint32_t channel, int32_t delta, struct pa_memchunk *chunk, void *userdata) {
+static void pstream_memblock_callback(struct pa_pstream *p, uint32_t channel, int32_t delta, struct pa_memchunk *chunk, void *userdata) {
struct pa_context *c = userdata;
struct pa_stream *s;
assert(p && chunk && c && chunk->memblock && chunk->memblock->data);
if (!(s = pa_dynarray_get(c->streams, channel)))
- return 0;
+ return;
if (s->read_callback)
s->read_callback(s, chunk->memblock->data + chunk->index, chunk->length, s->read_userdata);
+}
+
+static int handle_error(struct pa_context *c, uint32_t command, struct pa_tagstruct *t) {
+ assert(c && t);
- return 0;
+ if (command == PA_COMMAND_ERROR) {
+ if (pa_tagstruct_getu32(t, &c->error) < 0) {
+ c->error = PA_ERROR_PROTOCOL;
+ return -1;
+ }
+
+ return 0;
+ }
+
+ c->error = (command == PA_COMMAND_TIMEOUT) ? PA_ERROR_TIMEOUT : PA_ERROR_INTERNAL;
+ return -1;
}
-static int auth_complete_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
+static void setup_complete_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
struct pa_context *c = userdata;
assert(pd && c && (c->state == CONTEXT_AUTHORIZING || c->state == CONTEXT_SETTING_NAME));
if (command != PA_COMMAND_REPLY) {
- if (command == PA_COMMAND_ERROR && pa_tagstruct_getu32(t, &c->error) < 0)
- c->error = PA_ERROR_PROTOCOL;
- else if (command == PA_COMMAND_TIMEOUT)
- c->error = PA_ERROR_TIMEOUT;
-
- c->state = CONTEXT_DEAD;
+ handle_error(c, command, t);
+ context_dead(c);
if (c->connect_complete_callback)
c->connect_complete_callback(c, 0, c->connect_complete_userdata);
- return -1;
+ return;
}
if (c->state == CONTEXT_AUTHORIZING) {
pa_tagstruct_putu32(t, tag = c->ctag++);
pa_tagstruct_puts(t, c->name);
pa_pstream_send_tagstruct(c->pstream, t);
- pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, auth_complete_callback, c);
+ pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, setup_complete_callback, c);
} else {
assert(c->state == CONTEXT_SETTING_NAME);
c->connect_complete_callback(c, 1, c->connect_complete_userdata);
}
- return 0;
+ return;
}
static void on_connection(struct pa_socket_client *client, struct pa_iochannel*io, void *userdata) {
if (!io) {
c->error = PA_ERROR_CONNECTIONREFUSED;
- c->state = CONTEXT_UNCONNECTED;
+ context_dead(c);
if (c->connect_complete_callback)
c->connect_complete_callback(c, 0, c->connect_complete_userdata);
pa_tagstruct_putu32(t, tag = c->ctag++);
pa_tagstruct_put_arbitrary(t, c->auth_cookie, sizeof(c->auth_cookie));
pa_pstream_send_tagstruct(c->pstream, t);
- pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, auth_complete_callback, c);
+ pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, setup_complete_callback, c);
c->state = CONTEXT_AUTHORIZING;
}
c->die_userdata = userdata;
}
-static int command_request(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
+static void command_request(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
struct pa_stream *s;
struct pa_context *c = userdata;
uint32_t bytes, channel;
pa_tagstruct_getu32(t, &bytes) < 0 ||
!pa_tagstruct_eof(t)) {
c->error = PA_ERROR_PROTOCOL;
- return -1;
+ context_dead(c);
+ return;
}
- if (!(s = pa_dynarray_get(c->streams, channel))) {
- c->error = PA_ERROR_PROTOCOL;
- return -1;
- }
+ if (!(s = pa_dynarray_get(c->streams, channel)))
+ return;
- /*fprintf(stderr, "Requested %u bytes\n", bytes);*/
+ if (s->state != STREAM_READY)
+ return;
s->requested_bytes += bytes;
if (s->requested_bytes && s->write_callback)
s->write_callback(s, s->requested_bytes, s->write_userdata);
-
- return 0;
}
-static int create_playback_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
- int ret = 0;
+static void create_playback_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 && s->state == STREAM_CREATING);
if (command != PA_COMMAND_REPLY) {
- struct pa_context *c = s->context;
- assert(c);
+ if (handle_error(s->context, command, t) < 0) {
+ context_dead(s->context);
+ return;
+ }
- if (command == PA_COMMAND_ERROR && pa_tagstruct_getu32(t, &s->context->error) < 0)
- s->context->error = PA_ERROR_PROTOCOL;
- else if (command == PA_COMMAND_TIMEOUT)
- s->context->error = PA_ERROR_TIMEOUT;
-
- ret = -1;
- goto fail;
+ stream_dead(s);
+ if (s->create_complete_callback)
+ s->create_complete_callback(s, 0, s->create_complete_userdata);
+
+ return;
}
if (pa_tagstruct_getu32(t, &s->channel) < 0 ||
pa_tagstruct_getu32(t, &s->device_index) < 0 ||
!pa_tagstruct_eof(t)) {
s->context->error = PA_ERROR_PROTOCOL;
- ret = -1;
- goto fail;
+ context_dead(s->context);
+ return;
}
s->channel_valid = 1;
pa_dynarray_put(s->context->streams, s->channel, s);
s->state = STREAM_READY;
- assert(s->create_complete_callback);
- s->create_complete_callback(s, 1, s->create_complete_userdata);
- return 0;
+ if (s->create_complete_callback)
+ s->create_complete_callback(s, 1, s->create_complete_userdata);
+}
+
+static void create_stream(struct pa_stream *s, uint32_t tdev_index) {
+ struct pa_tagstruct *t;
+ uint32_t tag;
+ assert(s);
-fail:
- assert(s->create_complete_callback);
- s->create_complete_callback(s, 0, s->create_complete_userdata);
- pa_stream_free(s);
- return ret;
+ s->state = STREAM_CREATING;
+
+ t = pa_tagstruct_new(NULL, 0);
+ assert(t);
+
+ pa_tagstruct_putu32(t, s->direction == PA_STREAM_PLAYBACK ? PA_COMMAND_CREATE_PLAYBACK_STREAM : PA_COMMAND_CREATE_RECORD_STREAM);
+ pa_tagstruct_putu32(t, tag = s->context->ctag++);
+ pa_tagstruct_puts(t, s->name);
+ pa_tagstruct_put_sample_spec(t, &s->sample_spec);
+ pa_tagstruct_putu32(t, tdev_index);
+ pa_tagstruct_putu32(t, s->buffer_attr.maxlength);
+ pa_tagstruct_putu32(t, s->buffer_attr.tlength);
+ pa_tagstruct_putu32(t, s->buffer_attr.prebuf);
+ pa_tagstruct_putu32(t, s->buffer_attr.minreq);
+
+ pa_pstream_send_tagstruct(s->context->pstream, t);
+ pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, create_playback_callback, s);
+}
+
+static void lookup_device_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
+ struct pa_stream *s = userdata;
+ uint32_t tdev;
+ assert(pd && s && s->state == STREAM_LOOKING_UP);
+
+ if (command != PA_COMMAND_REPLY) {
+ if (handle_error(s->context, command, t) < 0) {
+ context_dead(s->context);
+ return;
+ }
+
+ stream_dead(s);
+ if (s->create_complete_callback)
+ s->create_complete_callback(s, 0, s->create_complete_userdata);
+ return;
+ }
+
+ if (pa_tagstruct_getu32(t, &tdev) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ s->context->error = PA_ERROR_PROTOCOL;
+ context_dead(s->context);
+ return;
+ }
+
+ create_stream(s, tdev);
+}
+
+static void lookup_device(struct pa_stream *s, const char *tdev) {
+ struct pa_tagstruct *t;
+ uint32_t tag;
+ assert(s);
+
+ s->state = STREAM_LOOKING_UP;
+
+ t = pa_tagstruct_new(NULL, 0);
+ assert(t);
+
+ pa_tagstruct_putu32(t, s->direction == PA_STREAM_PLAYBACK ? PA_COMMAND_LOOKUP_SINK : PA_COMMAND_LOOKUP_SOURCE);
+ pa_tagstruct_putu32(t, tag = s->context->ctag++);
+ pa_tagstruct_puts(t, tdev);
+
+ pa_pstream_send_tagstruct(s->context->pstream, t);
+ pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, lookup_device_callback, s);
}
struct pa_stream* pa_stream_new(
void *userdata) {
struct pa_stream *s;
- struct pa_tagstruct *t;
- uint32_t tag;
- assert(c && name && ss && c->state == CONTEXT_READY && complete);
+ assert(c && name && ss && c->state == CONTEXT_READY);
s = malloc(sizeof(struct pa_stream));
assert(s);
s->create_complete_callback = complete;
s->create_complete_userdata = NULL;
+ s->name = strdup(name);
s->state = STREAM_CREATING;
s->requested_bytes = 0;
s->channel = 0;
s->channel_valid = 0;
s->device_index = (uint32_t) -1;
s->direction = dir;
+ s->sample_spec = *ss;
+ if (attr)
+ s->buffer_attr = *attr;
+ else {
+ s->buffer_attr.maxlength = DEFAULT_MAXLENGTH;
+ s->buffer_attr.tlength = DEFAULT_TLENGTH;
+ s->buffer_attr.prebuf = DEFAULT_PREBUF;
+ s->buffer_attr.minreq = DEFAULT_MINREQ;
+ }
- t = pa_tagstruct_new(NULL, 0);
- assert(t);
-
- pa_tagstruct_putu32(t, dir == PA_STREAM_PLAYBACK ? PA_COMMAND_CREATE_PLAYBACK_STREAM : PA_COMMAND_CREATE_RECORD_STREAM);
- pa_tagstruct_putu32(t, tag = c->ctag++);
- pa_tagstruct_puts(t, name);
- pa_tagstruct_put_sample_spec(t, ss);
- pa_tagstruct_putu32(t, (uint32_t) -1);
- pa_tagstruct_putu32(t, attr ? attr->queue_length : DEFAULT_QUEUE_LENGTH);
- pa_tagstruct_putu32(t, attr ? attr->max_length : DEFAULT_MAX_LENGTH);
- pa_tagstruct_putu32(t, attr ? attr->prebuf : DEFAULT_PREBUF);
-
- pa_pstream_send_tagstruct(c->pstream, t);
-
- pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, create_playback_callback, s);
-
s->next = c->first_stream;
if (s->next)
s->next->previous = s;
s->previous = NULL;
c->first_stream = s;
- return 0;
+ if (dev)
+ lookup_device(s, dev);
+ else
+ create_stream(s, (uint32_t) -1);
+
+ return s;
}
void pa_stream_free(struct pa_stream *s) {
assert(s && s->context);
+
+ free(s->name);
- if (s->channel_valid) {
+ if (s->channel_valid && s->context->state == CONTEXT_READY) {
struct pa_tagstruct *t = pa_tagstruct_new(NULL, 0);
assert(t);
void pa_stream_write(struct pa_stream *s, const void *data, size_t length) {
struct pa_memchunk chunk;
- assert(s && s->context && data && length);
+ assert(s && s->context && data && length && s->state == STREAM_READY);
chunk.memblock = pa_memblock_new(length);
assert(chunk.memblock && chunk.memblock->data);
}
size_t pa_stream_writable_size(struct pa_stream *s) {
- assert(s);
+ assert(s && s->state == STREAM_READY);
return s->requested_bytes;
}
s->die_callback = cb;
s->die_userdata = userdata;
}
+
+int pa_context_is_pending(struct pa_context *c) {
+ assert(c);
+
+ if (c->state != CONTEXT_READY)
+ return 0;
+
+ return pa_pstream_is_pending(c->pstream) || pa_pdispatch_is_pending(c->pdispatch);
+}
+
+struct pa_context* pa_stream_get_context(struct pa_stream *p) {
+ assert(p);
+ return p->context;
+}
+
+static void set_dispatch_callbacks(struct pa_context *c);
+
+static void pdispatch_drain_callback(struct pa_pdispatch*pd, void *userdata) {
+ set_dispatch_callbacks(userdata);
+}
+
+static void pstream_drain_callback(struct pa_pstream *s, void *userdata) {
+ set_dispatch_callbacks(userdata);
+}
+
+static void set_dispatch_callbacks(struct pa_context *c) {
+ assert(c && c->state == CONTEXT_READY);
+
+ pa_pstream_set_drain_callback(c->pstream, NULL, NULL);
+ pa_pdispatch_set_drain_callback(c->pdispatch, NULL, NULL);
+
+ if (pa_pdispatch_is_pending(c->pdispatch)) {
+ pa_pdispatch_set_drain_callback(c->pdispatch, pdispatch_drain_callback, c);
+ return;
+ }
+
+ if (pa_pstream_is_pending(c->pstream)) {
+ pa_pstream_set_drain_callback(c->pstream, pstream_drain_callback, c);
+ return;
+ }
+
+ assert(c->drain_complete_callback);
+ c->drain_complete_callback(c, c->drain_complete_userdata);
+}
+
+int pa_context_drain(
+ struct pa_context *c,
+ void (*complete) (struct pa_context*c, void *userdata),
+ void *userdata) {
+
+ assert(c && c->state == CONTEXT_READY);
+
+ if (complete == NULL) {
+ c->drain_complete_callback = NULL;
+ pa_pstream_set_drain_callback(c->pstream, NULL, NULL);
+ pa_pdispatch_set_drain_callback(c->pdispatch, NULL, NULL);
+ return 0;
+ }
+
+ if (!pa_context_is_pending(c))
+ return -1;
+
+ c->drain_complete_callback = complete;
+ c->drain_complete_userdata = userdata;
+
+ set_dispatch_callbacks(c);
+
+ return 0;
+}
void (*complete) (struct pa_context*c, int success, void *userdata),
void *userdata);
+int pa_context_drain(
+ struct pa_context *c,
+ void (*complete) (struct pa_context*c, void *userdata),
+ void *userdata);
+
void pa_context_free(struct pa_context *c);
void pa_context_set_die_callback(struct pa_context *c, void (*cb)(struct pa_context *c, void *userdata), void *userdata);
int pa_context_is_ready(struct pa_context *c);
int pa_context_errno(struct pa_context *c);
+int pa_context_is_pending(struct pa_context *c);
+
struct pa_stream;
struct pa_stream* pa_stream_new(
int pa_stream_is_dead(struct pa_stream *p);
int pa_stream_is_ready(struct pa_stream*p);
+struct pa_context* pa_stream_get_context(struct pa_stream *p);
+
#endif
};
struct pa_buffer_attr {
- uint32_t queue_length;
- uint32_t max_length;
+ uint32_t maxlength;
+ uint32_t tlength;
uint32_t prebuf;
+ uint32_t minreq;
};
#define COOKIE_FILE ".esd_auth"
-#define MEMBLOCKQ_LENGTH (10*1204)
-#define MEMBLOCKQ_PREBUF (2*1024)
-#define BUFSIZE (1024)
+#define BUFFER_SECONDS (0.5)
/* This is heavily based on esound's code */
int format, rate;
struct pa_sink *sink;
struct pa_sample_spec ss;
+ size_t l;
assert(length == (sizeof(int)*2+ESD_NAME_MAX));
format = maybe_swap_endian_32(c->swap_byte_order, *(int*)data);
pa_client_rename(c->client, name);
assert(!c->input_memblockq);
- c->input_memblockq = pa_memblockq_new(MEMBLOCKQ_LENGTH, pa_sample_size(&ss), MEMBLOCKQ_PREBUF);
+
+ l = (size_t) (pa_bytes_per_second(&ss)*BUFFER_SECONDS);
+ c->input_memblockq = pa_memblockq_new(l, 0, pa_sample_size(&ss), l/2, l/10);
assert(c->input_memblockq);
assert(!c->sink_input);
latency = 0;
else {
float usec = pa_sink_get_latency(sink);
- usec += pa_samples_usec(MEMBLOCKQ_LENGTH-BUFSIZE, &sink->sample_spec);
+ usec += BUFFER_SECONDS*1000000*.9; /* A better estimation would be a good idea! */
latency = (int) ((usec*44100)/1000000);
}
} else if (c->state == ESD_STREAMING_DATA) {
struct pa_memchunk chunk;
ssize_t r;
+ size_t l;
assert(c->input_memblockq);
- if (!pa_memblockq_is_writable(c->input_memblockq, BUFSIZE))
+ if (!(l = pa_memblockq_missing(c->input_memblockq)))
return 0;
- chunk.memblock = pa_memblock_new(BUFSIZE);
+ chunk.memblock = pa_memblock_new(l);
assert(chunk.memblock && chunk.memblock->data);
- if ((r = pa_iochannel_read(c->io, chunk.memblock->data, BUFSIZE)) <= 0) {
+ if ((r = pa_iochannel_read(c->io, chunk.memblock->data, l)) <= 0) {
fprintf(stderr, "protocol-esound.c: read() failed: %s\n", r == 0 ? "EOF" : strerror(errno));
pa_memblock_unref(chunk.memblock);
return -1;
PA_COMMAND_REQUEST,
PA_COMMAND_AUTH,
PA_COMMAND_SET_NAME,
+ PA_COMMAND_LOOKUP_SINK,
+ PA_COMMAND_LOOKUP_SOURCE,
PA_COMMAND_MAX
};
#include "pdispatch.h"
#include "pstream-util.h"
#include "authkey.h"
+#include "namereg.h"
struct connection;
struct pa_protocol_native;
struct playback_stream {
struct connection *connection;
uint32_t index;
- size_t qlength;
struct pa_sink_input *sink_input;
struct pa_memblockq *memblockq;
size_t requested_bytes;
static void request_bytes(struct playback_stream*s);
-static int command_exit(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
-static int command_create_playback_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
-static int command_delete_playback_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
-static int command_auth(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
-static int command_set_name(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
+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_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);
static const struct pa_pdispatch_command command_table[PA_COMMAND_MAX] = {
[PA_COMMAND_ERROR] = { NULL },
[PA_COMMAND_REQUEST] = { NULL },
[PA_COMMAND_EXIT] = { command_exit },
[PA_COMMAND_SET_NAME] = { command_set_name },
+ [PA_COMMAND_LOOKUP_SINK] = { command_lookup },
+ [PA_COMMAND_LOOKUP_SOURCE] = { command_lookup },
};
/* structure management */
free(r);
}
-static struct playback_stream* playback_stream_new(struct connection *c, struct pa_sink *sink, struct pa_sample_spec *ss, const char *name, size_t qlen, size_t maxlength, size_t prebuf) {
+static struct playback_stream* playback_stream_new(struct connection *c, struct pa_sink *sink, struct pa_sample_spec *ss, const char *name,
+ size_t maxlength,
+ size_t tlength,
+ size_t prebuf,
+ size_t minreq) {
struct playback_stream *s;
- assert(c && sink && ss && name && qlen && maxlength && prebuf);
+ assert(c && sink && ss && name && maxlength);
s = malloc(sizeof(struct playback_stream));
assert (s);
s->connection = c;
- s->qlength = qlen;
s->sink_input = pa_sink_input_new(sink, name, ss);
assert(s->sink_input);
s->sink_input->get_latency = sink_input_get_latency_cb;
s->sink_input->userdata = s;
- s->memblockq = pa_memblockq_new(maxlength, pa_sample_size(ss), prebuf);
+ s->memblockq = pa_memblockq_new(maxlength, tlength, pa_sample_size(ss), prebuf, minreq);
assert(s->memblockq);
s->requested_bytes = 0;
size_t l;
assert(s);
- if (!(l = pa_memblockq_missing_to(s->memblockq, s->qlength)))
+ if (!(l = pa_memblockq_missing(s->memblockq)))
return;
if (l <= s->requested_bytes)
return;
l -= s->requested_bytes;
+
+ if (l < pa_memblockq_get_minreq(s->memblockq))
+ return;
+
s->requested_bytes += l;
t = pa_tagstruct_new(NULL, 0);
pa_tagstruct_putu32(t, l);
pa_pstream_send_tagstruct(s->connection->pstream, t);
-/* fprintf(stderr, "Requesting %u bytes\n", l);*/
+ /*fprintf(stderr, "Requesting %u bytes\n", l);*/
}
/*** sinkinput callbacks ***/
/*** pdispatch callbacks ***/
-static int command_create_playback_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
+static void protocol_error(struct connection *c) {
+ fprintf(stderr, __FILE__": protocol error, kicking client\n");
+ connection_free(c);
+}
+
+static void command_create_playback_stream(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
struct connection *c = userdata;
struct playback_stream *s;
- size_t maxlength, prebuf, qlength;
+ size_t maxlength, tlength, prebuf, minreq;
uint32_t sink_index;
const char *name;
struct pa_sample_spec ss;
if (pa_tagstruct_gets(t, &name) < 0 ||
pa_tagstruct_get_sample_spec(t, &ss) < 0 ||
pa_tagstruct_getu32(t, &sink_index) < 0 ||
- pa_tagstruct_getu32(t, &qlength) < 0 ||
pa_tagstruct_getu32(t, &maxlength) < 0 ||
+ pa_tagstruct_getu32(t, &tlength) < 0 ||
pa_tagstruct_getu32(t, &prebuf) < 0 ||
- !pa_tagstruct_eof(t))
- return -1;
+ pa_tagstruct_getu32(t, &minreq) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
if (!c->authorized) {
pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
- return 0;
+ return;
}
if (sink_index == (uint32_t) -1)
if (!sink) {
pa_pstream_send_error(c->pstream, tag, PA_ERROR_EXIST);
- return 0;
+ return;
}
- if (!(s = playback_stream_new(c, sink, &ss, name, qlength, maxlength, prebuf))) {
+ if (!(s = playback_stream_new(c, sink, &ss, name, maxlength, tlength, prebuf, minreq))) {
pa_pstream_send_error(c->pstream, tag, PA_ERROR_INVALID);
- return 0;
+ return;
}
reply = pa_tagstruct_new(NULL, 0);
pa_tagstruct_putu32(reply, s->sink_input->index);
pa_pstream_send_tagstruct(c->pstream, reply);
request_bytes(s);
- return 0;
}
-static int command_delete_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) {
struct connection *c = userdata;
uint32_t channel;
struct playback_stream *s;
assert(c && t);
if (pa_tagstruct_getu32(t, &channel) < 0 ||
- !pa_tagstruct_eof(t))
- return -1;
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
if (!c->authorized) {
pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
- return 0;
+ return;
}
if (!(s = pa_idxset_get_by_index(c->playback_streams, channel))) {
pa_pstream_send_error(c->pstream, tag, PA_ERROR_EXIST);
- return 0;
+ return;
}
pa_pstream_send_simple_ack(c->pstream, tag);
- return 0;
}
-static int command_exit(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
+static void command_exit(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
struct connection *c = userdata;
assert(c && t);
- if (!pa_tagstruct_eof(t))
- return -1;
+ if (!pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
if (!c->authorized) {
pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
- return 0;
+ return;
}
assert(c->protocol && c->protocol->core && c->protocol->core->mainloop);
c->protocol->core->mainloop->quit(c->protocol->core->mainloop, 0);
pa_pstream_send_simple_ack(c->pstream, tag); /* nonsense */
- return 0;
+ return;
}
-static int command_auth(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) {
struct connection *c = userdata;
const void*cookie;
assert(c && t);
if (pa_tagstruct_get_arbitrary(t, &cookie, PA_NATIVE_COOKIE_LENGTH) < 0 ||
- !pa_tagstruct_eof(t))
- return -1;
-
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
if (memcmp(c->protocol->auth_cookie, cookie, PA_NATIVE_COOKIE_LENGTH) != 0) {
fprintf(stderr, "protocol-native.c: Denied access to client with invalid authorization key.\n");
pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
- return 0;
+ return;
}
c->authorized = 1;
pa_pstream_send_simple_ack(c->pstream, tag);
- return 0;
+ return;
}
-static int command_set_name(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) {
struct connection *c = userdata;
const char *name;
assert(c && t);
if (pa_tagstruct_gets(t, &name) < 0 ||
- !pa_tagstruct_eof(t))
- return -1;
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
pa_client_rename(c->client, name);
pa_pstream_send_simple_ack(c->pstream, tag);
- return 0;
+ return;
+}
+
+static void command_lookup(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
+ struct connection *c = userdata;
+ const char *name;
+ uint32_t index = PA_IDXSET_INVALID;
+ assert(c && t);
+
+ if (pa_tagstruct_gets(t, &name) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ protocol_error(c);
+ return;
+ }
+
+ if (command == PA_COMMAND_LOOKUP_SINK) {
+ struct pa_sink *sink;
+ if ((sink = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SINK)))
+ index = sink->index;
+ } else {
+ struct pa_source *source;
+ assert(command == PA_COMMAND_LOOKUP_SOURCE);
+ if ((source = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SOURCE)))
+ index = source->index;
+ }
+
+ if (index == PA_IDXSET_INVALID)
+ pa_pstream_send_error(c->pstream, tag, PA_ERROR_NOENTITY);
+ else {
+ struct pa_tagstruct *reply;
+ reply = pa_tagstruct_new(NULL, 0);
+ assert(reply);
+ pa_tagstruct_putu32(reply, PA_COMMAND_REPLY);
+ pa_tagstruct_putu32(reply, tag);
+ pa_tagstruct_putu32(reply, index);
+ pa_pstream_send_tagstruct(c->pstream, reply);
+ }
}
/*** pstream callbacks ***/
-static int packet_callback(struct pa_pstream *p, struct pa_packet *packet, void *userdata) {
+static void packet_callback(struct pa_pstream *p, struct pa_packet *packet, void *userdata) {
struct connection *c = userdata;
assert(p && packet && packet->data && c);
if (pa_pdispatch_run(c->pdispatch, packet, c) < 0) {
fprintf(stderr, "protocol-native: invalid packet.\n");
- return -1;
+ connection_free(c);
}
-
- return 0;
}
-static int memblock_callback(struct pa_pstream *p, uint32_t channel, int32_t delta, struct pa_memchunk *chunk, void *userdata) {
+static void memblock_callback(struct pa_pstream *p, uint32_t channel, int32_t delta, struct pa_memchunk *chunk, void *userdata) {
struct connection *c = userdata;
struct playback_stream *stream;
assert(p && chunk && userdata);
if (!(stream = pa_idxset_get_by_index(c->playback_streams, channel))) {
fprintf(stderr, "protocol-native: client sent block for invalid stream.\n");
- return -1;
+ connection_free(c);
+ return;
}
if (chunk->length >= stream->requested_bytes)
pa_sink_notify(stream->sink_input->sink);
/*fprintf(stderr, "Recieved %u bytes.\n", chunk->length);*/
-
- return 0;
}
static void die_callback(struct pa_pstream *p, void *userdata) {
struct pa_sample_spec sample_spec;
};
-#define BUFSIZE PIPE_BUF
+#define PLAYBACK_BUFFER_SECONDS (.5)
+#define RECORD_BUFFER_SECONDS (5)
static void connection_free(struct connection *c) {
assert(c);
static int do_read(struct connection *c) {
struct pa_memchunk chunk;
ssize_t r;
+ size_t l;
if (!pa_iochannel_is_readable(c->io))
return 0;
- if (!c->sink_input || !pa_memblockq_is_writable(c->input_memblockq, BUFSIZE))
+ if (!c->sink_input || !(l = pa_memblockq_missing(c->input_memblockq)))
return 0;
-
- chunk.memblock = pa_memblock_new(BUFSIZE);
+
+ chunk.memblock = pa_memblock_new(l);
assert(chunk.memblock);
- if ((r = pa_iochannel_read(c->io, chunk.memblock->data, BUFSIZE)) <= 0) {
+ if ((r = pa_iochannel_read(c->io, chunk.memblock->data, l)) <= 0) {
fprintf(stderr, "read(): %s\n", r == 0 ? "EOF" : strerror(errno));
pa_memblock_unref(chunk.memblock);
return -1;
c->source_output->kill = source_output_kill_cb;
c->source_output->userdata = c;
- l = 5*pa_bytes_per_second(&p->sample_spec); /* 5s */
- c->output_memblockq = pa_memblockq_new(l, pa_sample_size(&p->sample_spec), l/2);
+ l = (size_t) (pa_bytes_per_second(&p->sample_spec)*RECORD_BUFFER_SECONDS);
+ c->output_memblockq = pa_memblockq_new(l, 0, pa_sample_size(&p->sample_spec), l/2, 0);
}
if (p->mode & PA_PROTOCOL_SIMPLE_PLAYBACK) {
c->sink_input->get_latency = sink_input_get_latency_cb;
c->sink_input->userdata = c;
- l = pa_bytes_per_second(&p->sample_spec)/2; /* half a second */
- c->input_memblockq = pa_memblockq_new(l, pa_sample_size(&p->sample_spec), l/2);
+ l = (size_t) (pa_bytes_per_second(&p->sample_spec)*PLAYBACK_BUFFER_SECONDS);
+ c->input_memblockq = pa_memblockq_new(l, 0, pa_sample_size(&p->sample_spec), l/2, l/10);
}
struct pa_iochannel *io;
struct pa_queue *send_queue;
+ int in_use, shall_free;
+
int dead;
void (*die_callback) (struct pa_pstream *p, void *userdad);
void *die_callback_userdata;
size_t index;
} write;
- void (*send_callback) (struct pa_pstream *p, void *userdata);
- void *send_callback_userdata;
-
struct {
struct pa_memblock *memblock;
struct pa_packet *packet;
size_t index;
} read;
- int (*recieve_packet_callback) (struct pa_pstream *p, struct pa_packet *packet, void *userdata);
+ void (*recieve_packet_callback) (struct pa_pstream *p, struct pa_packet *packet, void *userdata);
void *recieve_packet_callback_userdata;
- int (*recieve_memblock_callback) (struct pa_pstream *p, uint32_t channel, int32_t delta, struct pa_memchunk *chunk, void *userdata);
+ void (*recieve_memblock_callback) (struct pa_pstream *p, uint32_t channel, int32_t delta, struct pa_memchunk *chunk, void *userdata);
void *recieve_memblock_callback_userdata;
+
+ void (*drain_callback)(struct pa_pstream *p, void *userdata);
+ void *drain_userdata;
};
static void do_write(struct pa_pstream *p);
static void do_read(struct pa_pstream *p);
-static void io_callback(struct pa_iochannel*io, void *userdata) {
- struct pa_pstream *p = userdata;
- assert(p && p->io == io);
-
+static void do_something(struct pa_pstream *p) {
+ assert(p && !p->shall_free);
p->mainloop->enable_fixed(p->mainloop, p->mainloop_source, 0);
-
+
+ p->in_use = 1;
do_write(p);
+ p->in_use = 0;
+
+ if (p->shall_free) {
+ pa_pstream_free(p);
+ return;
+ }
+
+ p->in_use = 1;
do_read(p);
+ p->in_use = 0;
+ if (p->shall_free) {
+ pa_pstream_free(p);
+ return;
+ }
+}
+
+static void io_callback(struct pa_iochannel*io, void *userdata) {
+ struct pa_pstream *p = userdata;
+ assert(p && p->io == io);
+ do_something(p);
}
static void fixed_callback(struct pa_mainloop_api *m, void *id, void*userdata) {
struct pa_pstream *p = userdata;
assert(p && p->mainloop_source == id && p->mainloop == m);
-
- p->mainloop->enable_fixed(p->mainloop, p->mainloop_source, 0);
-
- do_write(p);
- do_read(p);
+ do_something(p);
}
struct pa_pstream *pa_pstream_new(struct pa_mainloop_api *m, struct pa_iochannel *io) {
p->read.packet = NULL;
p->read.index = 0;
- p->send_callback = NULL;
- p->send_callback_userdata = NULL;
-
p->recieve_packet_callback = NULL;
p->recieve_packet_callback_userdata = NULL;
p->recieve_memblock_callback = NULL;
p->recieve_memblock_callback_userdata = NULL;
+ p->drain_callback = NULL;
+ p->drain_userdata = NULL;
+
+ p->in_use = p->shall_free = 0;
+
return p;
}
void pa_pstream_free(struct pa_pstream *p) {
assert(p);
+ if (p->in_use) {
+ /* If this pstream object is used by someone else on the call stack, we have to postpone the freeing */
+ p->dead = p->shall_free = 1;
+ return;
+ }
+
pa_iochannel_free(p->io);
pa_queue_free(p->send_queue, item_free, NULL);
free(p);
}
-void pa_pstream_set_send_callback(struct pa_pstream*p, void (*callback) (struct pa_pstream *p, void *userdata), void *userdata) {
- assert(p && callback);
-
- p->send_callback = callback;
- p->send_callback_userdata = userdata;
-}
-
void pa_pstream_send_packet(struct pa_pstream*p, struct pa_packet *packet) {
struct item_info *i;
assert(p && packet);
p->mainloop->enable_fixed(p->mainloop, p->mainloop_source, 1);
}
-void pa_pstream_set_recieve_packet_callback(struct pa_pstream *p, int (*callback) (struct pa_pstream *p, struct pa_packet *packet, void *userdata), void *userdata) {
+void pa_pstream_set_recieve_packet_callback(struct pa_pstream *p, void (*callback) (struct pa_pstream *p, struct pa_packet *packet, void *userdata), void *userdata) {
assert(p && callback);
p->recieve_packet_callback = callback;
p->recieve_packet_callback_userdata = userdata;
}
-void pa_pstream_set_recieve_memblock_callback(struct pa_pstream *p, int (*callback) (struct pa_pstream *p, uint32_t channel, int32_t delta, struct pa_memchunk *chunk, void *userdata), void *userdata) {
+void pa_pstream_set_recieve_memblock_callback(struct pa_pstream *p, void (*callback) (struct pa_pstream *p, uint32_t channel, int32_t delta, struct pa_memchunk *chunk, void *userdata), void *userdata) {
assert(p && callback);
p->recieve_memblock_callback = callback;
l = ntohl(p->write.descriptor[PA_PSTREAM_DESCRIPTOR_LENGTH]) - (p->write.index - PA_PSTREAM_DESCRIPTOR_SIZE);
}
- if ((r = pa_iochannel_write(p->io, d, l)) < 0)
+ if ((r = pa_iochannel_write(p->io, d, l)) < 0)
goto die;
p->write.index += r;
item_free(p->write.current, (void *) 1);
p->write.current = NULL;
- if (p->send_callback && pa_queue_is_empty(p->send_queue))
- p->send_callback(p, p->send_callback_userdata);
+ if (p->drain_callback && !pa_pstream_is_pending(p))
+ p->drain_callback(p, p->drain_userdata);
}
return;
chunk.memblock = p->read.memblock;
chunk.index = p->read.index - PA_PSTREAM_DESCRIPTOR_SIZE - l;
chunk.length = l;
-
- if (p->recieve_memblock_callback(p,
- ntohl(p->read.descriptor[PA_PSTREAM_DESCRIPTOR_CHANNEL]),
- (int32_t) ntohl(p->read.descriptor[PA_PSTREAM_DESCRIPTOR_DELTA]),
- &chunk,
- p->recieve_memblock_callback_userdata) < 0)
- goto die;
+
+ if (p->recieve_memblock_callback)
+ p->recieve_memblock_callback(
+ p,
+ ntohl(p->read.descriptor[PA_PSTREAM_DESCRIPTOR_CHANNEL]),
+ (int32_t) ntohl(p->read.descriptor[PA_PSTREAM_DESCRIPTOR_DELTA]),
+ &chunk,
+ p->recieve_memblock_callback_userdata);
}
}
pa_memblock_unref(p->read.memblock);
p->read.memblock = NULL;
} else {
- int r = 0;
assert(p->read.packet);
-
+
if (p->recieve_packet_callback)
- r = p->recieve_packet_callback(p, p->read.packet, p->recieve_packet_callback_userdata);
+ p->recieve_packet_callback(p, p->read.packet, p->recieve_packet_callback_userdata);
pa_packet_unref(p->read.packet);
p->read.packet = NULL;
-
- if (r < 0)
- goto die;
}
p->read.index = 0;
p->die_callback = callback;
p->die_callback_userdata = userdata;
}
+
+int pa_pstream_is_pending(struct pa_pstream *p) {
+ assert(p);
+
+ if (p->dead)
+ return 0;
+
+ return p->write.current || !pa_queue_is_empty(p->send_queue);
+}
+
+void pa_pstream_set_drain_callback(struct pa_pstream *p, void (*cb)(struct pa_pstream *p, void *userdata), void *userdata) {
+ assert(p);
+ assert(!cb || pa_pstream_is_pending(p));
+
+ p->drain_callback = cb;
+ p->drain_userdata = userdata;
+}
+
#include "mainloop-api.h"
#include "memchunk.h"
+/* It is safe to destroy the calling pstream object from all callbacks */
+
struct pa_pstream;
struct pa_pstream* pa_pstream_new(struct pa_mainloop_api *m, struct pa_iochannel *io);
void pa_pstream_free(struct pa_pstream*p);
-void pa_pstream_set_send_callback(struct pa_pstream*p, void (*callback) (struct pa_pstream *p, void *userdata), void *userdata);
void pa_pstream_send_packet(struct pa_pstream*p, struct pa_packet *packet);
void pa_pstream_send_memblock(struct pa_pstream*p, uint32_t channel, int32_t delta, struct pa_memchunk *chunk);
-void pa_pstream_set_recieve_packet_callback(struct pa_pstream *p, int (*callback) (struct pa_pstream *p, struct pa_packet *packet, void *userdata), void *userdata);
-void pa_pstream_set_recieve_memblock_callback(struct pa_pstream *p, int (*callback) (struct pa_pstream *p, uint32_t channel, int32_t delta, struct pa_memchunk *chunk, void *userdata), void *userdata);
+void pa_pstream_set_recieve_packet_callback(struct pa_pstream *p, void (*callback) (struct pa_pstream *p, struct pa_packet *packet, void *userdata), void *userdata);
+void pa_pstream_set_recieve_memblock_callback(struct pa_pstream *p, void (*callback) (struct pa_pstream *p, uint32_t channel, int32_t delta, struct pa_memchunk *chunk, void *userdata), void *userdata);
+void pa_pstream_set_drain_callback(struct pa_pstream *p, void (*cb)(struct pa_pstream *p, void *userdata), void *userdata);
void pa_pstream_set_die_callback(struct pa_pstream *p, void (*callback)(struct pa_pstream *p, void *userdata), void *userdata);
+int pa_pstream_is_pending(struct pa_pstream *p);
+
#endif
int pa_sample_spec_valid(const struct pa_sample_spec *spec);
int pa_sample_spec_equal(const struct pa_sample_spec*a, const struct pa_sample_spec*b);
+
+#define PA_SAMPLE_SNPRINT_MAX_LENGTH 32
void pa_sample_snprint(char *s, size_t l, const struct pa_sample_spec *spec);
#endif
int dead;
};
+static int iterate(struct pa_simple *p, int block, int *perror) {
+ assert(p && p->context && p->mainloop && perror);
+
+ 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);
+ return -1;
+ }
+
+ if (pa_mainloop_iterate(p->mainloop, 1, NULL) < 0) {
+ *perror = PA_ERROR_INTERNAL;
+ return -1;
+ }
+ } while (pa_context_is_pending(p->context));
+
+ return 0;
+}
+
struct pa_simple* pa_simple_new(
const char *server,
const char *name,
goto fail;
}
+ /* Wait until the context is ready */
while (!pa_context_is_ready(p->context)) {
- if (pa_context_is_dead(p->context)) {
- error = pa_context_errno(p->context);
- goto fail;
- }
-
- if (pa_mainloop_iterate(p->mainloop, 1, NULL) < 0)
+ if (iterate(p, 1, &error) < 0)
goto fail;
}
if (!(p->stream = pa_stream_new(p->context, dir, dev, stream_name, ss, attr, NULL, NULL)))
goto fail;
+ /* Wait until the stream is ready */
while (!pa_stream_is_ready(p->stream)) {
- if (pa_stream_is_dead(p->stream)) {
- error = pa_context_errno(p->context);
- goto fail;
- }
-
- if (pa_mainloop_iterate(p->mainloop, 1, NULL) < 0)
+ if (iterate(p, 1, &error) < 0)
goto fail;
}
while (length > 0) {
size_t l;
- while (!(l = pa_stream_writable_size(p->stream))) {
- if (pa_context_is_dead(p->context)) {
- *perror = pa_context_errno(p->context);
+ while (!(l = pa_stream_writable_size(p->stream)))
+ if (iterate(p, 1, perror) < 0)
return -1;
- }
-
- if (pa_mainloop_iterate(p->mainloop, 1, NULL) < 0) {
- *perror = PA_ERROR_INTERNAL;
- return -1;
- }
- }
if (l > length)
l = length;
length -= l;
}
+ /* Make sure that no data is pending for write */
+ if (iterate(p, 0, perror) < 0)
+ return -1;
+
return 0;
}
int pa_simple_read(struct pa_simple *s, void*data, size_t length, int *perror) {
assert(0);
}
+
default_sink = pa_sink_get_default(c);
for (sink = pa_idxset_first(c->sinks, &index); sink; sink = pa_idxset_next(c->sinks, &index)) {
+ char ss[PA_SAMPLE_SNPRINT_MAX_LENGTH];
+ pa_sample_snprint(ss, sizeof(ss), &sink->sample_spec);
assert(sink->monitor_source);
- pa_strbuf_printf(s, " %c index: %u, name: <%s>, volume: <0x%04x>, latency: <%u usec>, monitor_source: <%u>\n", sink == default_sink ? '*' : ' ', sink->index, sink->name, (unsigned) sink->volume, pa_sink_get_latency(sink), sink->monitor_source->index);
+ pa_strbuf_printf(
+ s,
+ " %c index: %u\n\tname: <%s>\n\tvolume: <0x%04x>\n\tlatency: <%u usec>\n\tmonitor_source: <%u>\n\tsample_spec: <%s>\n",
+ sink == default_sink ? '*' : ' ',
+ sink->index, sink->name,
+ (unsigned) sink->volume,
+ pa_sink_get_latency(sink),
+ sink->monitor_source->index,
+ ss);
}
return pa_strbuf_tostring_free(s);
pa_strbuf_printf(s, "%u sink input(s) available.\n", pa_idxset_ncontents(c->sink_inputs));
for (i = pa_idxset_first(c->sink_inputs, &index); i; i = pa_idxset_next(c->sink_inputs, &index)) {
+ char ss[PA_SAMPLE_SNPRINT_MAX_LENGTH];
+ pa_sample_snprint(ss, sizeof(ss), &i->sample_spec);
assert(i->sink);
- pa_strbuf_printf(s, " index: %u, name: <%s>, sink: <%u>; volume: <0x%04x>, latency: <%u usec>\n",
- i->index,
- i->name,
- i->sink->index,
- (unsigned) i->volume,
- pa_sink_input_get_latency(i));
+ pa_strbuf_printf(
+ s,
+ " index: %u\n\tname: <%s>\n\tsink: <%u>\n\tvolume: <0x%04x>\n\tlatency: <%u usec>\n\tsample_spec: <%s>\n",
+ i->index,
+ i->name,
+ i->sink->index,
+ (unsigned) i->volume,
+ pa_sink_input_get_latency(i),
+ ss);
}
return pa_strbuf_tostring_free(s);
#include "mainloop-api.h"
#include "iochannel.h"
+/* It is safe to destroy the calling socket_client object from the callback */
+
struct pa_socket_client;
struct pa_socket_client* pa_socket_client_new_ipv4(struct pa_mainloop_api *m, uint32_t address, uint16_t port);
#include "mainloop-api.h"
#include "iochannel.h"
+/* It is safe to destroy the calling socket_server object from the callback */
+
struct pa_socket_server;
struct pa_socket_server* pa_socket_server_new(struct pa_mainloop_api *m, int fd);
default_source = pa_source_get_default(c);
for (source = pa_idxset_first(c->sources, &index); source; source = pa_idxset_next(c->sources, &index)) {
+ char ss[PA_SAMPLE_SNPRINT_MAX_LENGTH];
char mo[256] = "";
if (source->monitor_of)
- snprintf(mo, sizeof(mo), ", monitor_of: <%u>", source->monitor_of->index);
- pa_strbuf_printf(s, " %c index: %u, name: <%s>%s\n", source == default_source ? '*' : ' ', source->index, source->name, mo);
+ snprintf(mo, sizeof(mo), "\n\tmonitor_of: <%u>", source->monitor_of->index);
+ pa_sample_snprint(ss, sizeof(ss), &source->sample_spec);
+ pa_strbuf_printf(s, " %c index: %u\n\tname: <%s>\n\tsample_spec: <%s>%s\n", source == default_source ? '*' : ' ', source->index, source->name, ss, mo);
}
return pa_strbuf_tostring_free(s);
pa_strbuf_printf(s, "%u source outputs(s) available.\n", pa_idxset_ncontents(c->source_outputs));
for (o = pa_idxset_first(c->source_outputs, &index); o; o = pa_idxset_next(c->source_outputs, &index)) {
+ char ss[PA_SAMPLE_SNPRINT_MAX_LENGTH];
+ pa_sample_snprint(ss, sizeof(ss), &o->sample_spec);
assert(o->source);
- pa_strbuf_printf(s, " %c index: %u, name: <%s>, source: <%u>\n",
- o->index,
- o->name,
- o->source->index);
+ pa_strbuf_printf(
+ s, " %c index: %u\n\tname: <%s>\n\tsource: <%u>\n\tsample_spec: <%u>\n",
+ o->index,
+ o->name,
+ o->source->index,
+ ss,
+ ss);
}
return pa_strbuf_tostring_free(s);
- recording (general, simple, esound, native)
- native library/protocol:
sync() function
- more functions
+ more functions (esp. latency)
- simple library
- config parser/cmdline
- move more stuff from module-oss[-dma] to liboss-util
- in module-oss: create source first, than sink
+- client field for sinkinput/sourceoutput
+
+- xmms+esound latency testing
+
- rename files
- svn-id and license in every file
- documentation
-
-
-- post 0.1
- future cancellation
- client-ui
- clip cache
- autoloading/autounloading
-- ldap/rendezvous
+- slp/rendezvous
- doxygen
drivers:
+#include <signal.h>
#include <errno.h>
#include <assert.h>
#include <string.h>
ntohs(sa.in.sin_port));
return;
} else if (sa.sa.sa_family == AF_LOCAL) {
- snprintf(c, l, "UNIX client for %s", sa.un.sun_path);
+ snprintf(c, l, "UNIX socket client");
return;
}
return 0;
}
+
+void pa_check_for_sigpipe(void) {
+ struct sigaction sa;
+
+ if (sigaction(SIGPIPE, NULL, &sa) < 0) {
+ fprintf(stderr, __FILE__": sigaction() failed: %s\n", strerror(errno));
+ return;
+ }
+
+ if (sa.sa_handler == SIG_DFL)
+ fprintf(stderr, "polypaudio: WARNING: SIGPIPE is not trapped. This might cause malfunction!\n");
+}
int pa_unix_socket_is_stale(const char *fn);
int pa_unix_socket_remove_stale(const char *fn);
+void pa_check_for_sigpipe(void);
+
#endif
projects / profile / ivi / pulseaudio.git / commitdiff