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-rw-r--r--src/pulse/simple.c253
1 files changed, 139 insertions, 114 deletions
diff --git a/src/pulse/simple.c b/src/pulse/simple.c
index a41881bb..3524296a 100644
--- a/src/pulse/simple.c
+++ b/src/pulse/simple.c
@@ -1,18 +1,19 @@
-/* $Id$ */
/***
This file is part of PulseAudio.
-
+
+ Copyright 2004-2006 Lennart Poettering
+
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
- by the Free Software Foundation; either version 2 of the License,
+ by the Free Software Foundation; either version 2.1 of the License,
or (at your option) any later version.
-
+
PulseAudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
-
+
You should have received a copy of the GNU Lesser General Public License
along with PulseAudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
@@ -25,15 +26,14 @@
#include <stdio.h>
#include <string.h>
-#include <assert.h>
#include <stdlib.h>
#include <pulse/pulseaudio.h>
#include <pulse/thread-mainloop.h>
#include <pulse/xmalloc.h>
-#include <pulsecore/native-common.h>
#include <pulsecore/log.h>
+#include <pulsecore/macro.h>
#include "simple.h"
@@ -49,40 +49,43 @@ struct pa_simple {
int operation_success;
};
-#define CHECK_VALIDITY_RETURN_ANY(rerror, expression, error, ret) do { \
-if (!(expression)) { \
- if (rerror) \
- *(rerror) = error; \
- return (ret); \
- } \
-} while(0);
-
-#define CHECK_SUCCESS_GOTO(p, rerror, expression, label) do { \
-if (!(expression)) { \
- if (rerror) \
- *(rerror) = pa_context_errno((p)->context); \
- goto label; \
- } \
-} while(0);
-
-#define CHECK_DEAD_GOTO(p, rerror, label) do { \
-if (!(p)->context || pa_context_get_state((p)->context) != PA_CONTEXT_READY || \
- !(p)->stream || pa_stream_get_state((p)->stream) != PA_STREAM_READY) { \
- if (((p)->context && pa_context_get_state((p)->context) == PA_CONTEXT_FAILED) || \
- ((p)->stream && pa_stream_get_state((p)->stream) == PA_STREAM_FAILED)) { \
- if (rerror) \
- *(rerror) = pa_context_errno((p)->context); \
- } else \
- if (rerror) \
- *(rerror) = PA_ERR_BADSTATE; \
- goto label; \
- } \
-} while(0);
+#define CHECK_VALIDITY_RETURN_ANY(rerror, expression, error, ret) \
+ do { \
+ if (!(expression)) { \
+ if (rerror) \
+ *(rerror) = error; \
+ return (ret); \
+ } \
+ } while(FALSE);
+
+#define CHECK_SUCCESS_GOTO(p, rerror, expression, label) \
+ do { \
+ if (!(expression)) { \
+ if (rerror) \
+ *(rerror) = pa_context_errno((p)->context); \
+ goto label; \
+ } \
+ } while(FALSE);
+
+#define CHECK_DEAD_GOTO(p, rerror, label) \
+ do { \
+ if (!(p)->context || !PA_CONTEXT_IS_GOOD(pa_context_get_state((p)->context)) || \
+ !(p)->stream || !PA_STREAM_IS_GOOD(pa_stream_get_state((p)->stream))) { \
+ if (((p)->context && pa_context_get_state((p)->context) == PA_CONTEXT_FAILED) || \
+ ((p)->stream && pa_stream_get_state((p)->stream) == PA_STREAM_FAILED)) { \
+ if (rerror) \
+ *(rerror) = pa_context_errno((p)->context); \
+ } else \
+ if (rerror) \
+ *(rerror) = PA_ERR_BADSTATE; \
+ goto label; \
+ } \
+ } while(FALSE);
static void context_state_cb(pa_context *c, void *userdata) {
pa_simple *p = userdata;
- assert(c);
- assert(p);
+ pa_assert(c);
+ pa_assert(p);
switch (pa_context_get_state(c)) {
case PA_CONTEXT_READY:
@@ -101,8 +104,8 @@ static void context_state_cb(pa_context *c, void *userdata) {
static void stream_state_cb(pa_stream *s, void * userdata) {
pa_simple *p = userdata;
- assert(s);
- assert(p);
+ pa_assert(s);
+ pa_assert(p);
switch (pa_stream_get_state(s)) {
@@ -120,7 +123,7 @@ static void stream_state_cb(pa_stream *s, void * userdata) {
static void stream_request_cb(pa_stream *s, size_t length, void *userdata) {
pa_simple *p = userdata;
- assert(p);
+ pa_assert(p);
pa_threaded_mainloop_signal(p->mainloop, 0);
}
@@ -128,22 +131,22 @@ static void stream_request_cb(pa_stream *s, size_t length, void *userdata) {
static void stream_latency_update_cb(pa_stream *s, void *userdata) {
pa_simple *p = userdata;
- assert(p);
+ pa_assert(p);
pa_threaded_mainloop_signal(p->mainloop, 0);
}
pa_simple* pa_simple_new(
- const char *server,
- const char *name,
- pa_stream_direction_t dir,
- const char *dev,
- const char *stream_name,
- const pa_sample_spec *ss,
- const pa_channel_map *map,
- const pa_buffer_attr *attr,
- int *rerror) {
-
+ const char *server,
+ const char *name,
+ pa_stream_direction_t dir,
+ const char *dev,
+ const char *stream_name,
+ const pa_sample_spec *ss,
+ const pa_channel_map *map,
+ const pa_buffer_attr *attr,
+ int *rerror) {
+
pa_simple *p;
int error = PA_ERR_INTERNAL, r;
@@ -153,21 +156,17 @@ pa_simple* pa_simple_new(
CHECK_VALIDITY_RETURN_ANY(rerror, ss && pa_sample_spec_valid(ss), PA_ERR_INVALID, NULL);
CHECK_VALIDITY_RETURN_ANY(rerror, !map || (pa_channel_map_valid(map) && map->channels == ss->channels), PA_ERR_INVALID, NULL)
- p = pa_xnew(pa_simple, 1);
- p->context = NULL;
- p->stream = NULL;
+ p = pa_xnew0(pa_simple, 1);
p->direction = dir;
- p->read_data = NULL;
- p->read_index = p->read_length = 0;
if (!(p->mainloop = pa_threaded_mainloop_new()))
goto fail;
-
+
if (!(p->context = pa_context_new(pa_threaded_mainloop_get_api(p->mainloop), name)))
goto fail;
pa_context_set_state_callback(p->context, context_state_cb, p);
-
+
if (pa_context_connect(p->context, server, 0, NULL) < 0) {
error = pa_context_errno(p->context);
goto fail;
@@ -178,12 +177,21 @@ pa_simple* pa_simple_new(
if (pa_threaded_mainloop_start(p->mainloop) < 0)
goto unlock_and_fail;
- /* Wait until the context is ready */
- pa_threaded_mainloop_wait(p->mainloop);
-
- if (pa_context_get_state(p->context) != PA_CONTEXT_READY) {
- error = pa_context_errno(p->context);
- goto unlock_and_fail;
+ for (;;) {
+ pa_context_state_t state;
+
+ state = pa_context_get_state(p->context);
+
+ if (state == PA_CONTEXT_READY)
+ break;
+
+ if (!PA_CONTEXT_IS_GOOD(state)) {
+ error = pa_context_errno(p->context);
+ goto unlock_and_fail;
+ }
+
+ /* Wait until the context is ready */
+ pa_threaded_mainloop_wait(p->mainloop);
}
if (!(p->stream = pa_stream_new(p->context, stream_name, ss, map))) {
@@ -197,31 +205,45 @@ pa_simple* pa_simple_new(
pa_stream_set_latency_update_callback(p->stream, stream_latency_update_cb, p);
if (dir == PA_STREAM_PLAYBACK)
- r = pa_stream_connect_playback(p->stream, dev, attr, PA_STREAM_INTERPOLATE_TIMING|PA_STREAM_AUTO_TIMING_UPDATE, NULL, NULL);
+ r = pa_stream_connect_playback(p->stream, dev, attr,
+ PA_STREAM_INTERPOLATE_TIMING
+ |PA_STREAM_ADJUST_LATENCY
+ |PA_STREAM_AUTO_TIMING_UPDATE, NULL, NULL);
else
- r = pa_stream_connect_record(p->stream, dev, attr, PA_STREAM_INTERPOLATE_TIMING|PA_STREAM_AUTO_TIMING_UPDATE);
+ r = pa_stream_connect_record(p->stream, dev, attr,
+ PA_STREAM_INTERPOLATE_TIMING
+ |PA_STREAM_ADJUST_LATENCY
+ |PA_STREAM_AUTO_TIMING_UPDATE);
if (r < 0) {
error = pa_context_errno(p->context);
goto unlock_and_fail;
}
- /* Wait until the stream is ready */
- pa_threaded_mainloop_wait(p->mainloop);
+ for (;;) {
+ pa_stream_state_t state;
- /* Wait until the stream is ready */
- if (pa_stream_get_state(p->stream) != PA_STREAM_READY) {
- error = pa_context_errno(p->context);
- goto unlock_and_fail;
+ state = pa_stream_get_state(p->stream);
+
+ if (state == PA_STREAM_READY)
+ break;
+
+ if (!PA_STREAM_IS_GOOD(state)) {
+ error = pa_context_errno(p->context);
+ goto unlock_and_fail;
+ }
+
+ /* Wait until the stream is ready */
+ pa_threaded_mainloop_wait(p->mainloop);
}
pa_threaded_mainloop_unlock(p->mainloop);
-
+
return p;
unlock_and_fail:
pa_threaded_mainloop_unlock(p->mainloop);
-
+
fail:
if (rerror)
*rerror = error;
@@ -230,16 +252,18 @@ fail:
}
void pa_simple_free(pa_simple *s) {
- assert(s);
+ pa_assert(s);
if (s->mainloop)
pa_threaded_mainloop_stop(s->mainloop);
-
+
if (s->stream)
pa_stream_unref(s->stream);
-
- if (s->context)
+
+ if (s->context) {
+ pa_context_disconnect(s->context);
pa_context_unref(s->context);
+ }
if (s->mainloop)
pa_threaded_mainloop_free(s->mainloop);
@@ -248,60 +272,62 @@ void pa_simple_free(pa_simple *s) {
}
int pa_simple_write(pa_simple *p, const void*data, size_t length, int *rerror) {
- assert(p);
-
+ pa_assert(p);
+
CHECK_VALIDITY_RETURN_ANY(rerror, p->direction == PA_STREAM_PLAYBACK, PA_ERR_BADSTATE, -1);
- CHECK_VALIDITY_RETURN_ANY(rerror, data && length, PA_ERR_INVALID, -1);
+ CHECK_VALIDITY_RETURN_ANY(rerror, data, PA_ERR_INVALID, -1);
+ CHECK_VALIDITY_RETURN_ANY(rerror, length > 0, PA_ERR_INVALID, -1);
pa_threaded_mainloop_lock(p->mainloop);
-
+
CHECK_DEAD_GOTO(p, rerror, unlock_and_fail);
while (length > 0) {
size_t l;
int r;
-
+
while (!(l = pa_stream_writable_size(p->stream))) {
pa_threaded_mainloop_wait(p->mainloop);
CHECK_DEAD_GOTO(p, rerror, unlock_and_fail);
}
CHECK_SUCCESS_GOTO(p, rerror, l != (size_t) -1, unlock_and_fail);
-
+
if (l > length)
l = length;
- r = pa_stream_write(p->stream, data, l, NULL, 0, PA_SEEK_RELATIVE);
+ r = pa_stream_write(p->stream, data, l, NULL, 0LL, PA_SEEK_RELATIVE);
CHECK_SUCCESS_GOTO(p, rerror, r >= 0, unlock_and_fail);
-
+
data = (const uint8_t*) data + l;
length -= l;
}
pa_threaded_mainloop_unlock(p->mainloop);
return 0;
-
+
unlock_and_fail:
pa_threaded_mainloop_unlock(p->mainloop);
return -1;
}
int pa_simple_read(pa_simple *p, void*data, size_t length, int *rerror) {
- assert(p);
+ pa_assert(p);
CHECK_VALIDITY_RETURN_ANY(rerror, p->direction == PA_STREAM_RECORD, PA_ERR_BADSTATE, -1);
- CHECK_VALIDITY_RETURN_ANY(rerror, data && length, PA_ERR_INVALID, -1);
+ CHECK_VALIDITY_RETURN_ANY(rerror, data, PA_ERR_INVALID, -1);
+ CHECK_VALIDITY_RETURN_ANY(rerror, length > 0, PA_ERR_INVALID, -1);
pa_threaded_mainloop_lock(p->mainloop);
-
+
CHECK_DEAD_GOTO(p, rerror, unlock_and_fail);
while (length > 0) {
size_t l;
-
+
while (!p->read_data) {
int r;
-
+
r = pa_stream_peek(p->stream, &p->read_data, &p->read_length);
CHECK_SUCCESS_GOTO(p, rerror, r == 0, unlock_and_fail);
@@ -311,31 +337,31 @@ int pa_simple_read(pa_simple *p, void*data, size_t length, int *rerror) {
} else
p->read_index = 0;
}
-
+
l = p->read_length < length ? p->read_length : length;
memcpy(data, (const uint8_t*) p->read_data+p->read_index, l);
data = (uint8_t*) data + l;
length -= l;
-
+
p->read_index += l;
p->read_length -= l;
if (!p->read_length) {
int r;
-
+
r = pa_stream_drop(p->stream);
p->read_data = NULL;
p->read_length = 0;
p->read_index = 0;
-
+
CHECK_SUCCESS_GOTO(p, rerror, r == 0, unlock_and_fail);
}
}
pa_threaded_mainloop_unlock(p->mainloop);
return 0;
-
+
unlock_and_fail:
pa_threaded_mainloop_unlock(p->mainloop);
return -1;
@@ -344,8 +370,8 @@ unlock_and_fail:
static void success_cb(pa_stream *s, int success, void *userdata) {
pa_simple *p = userdata;
- assert(s);
- assert(p);
+ pa_assert(s);
+ pa_assert(p);
p->operation_success = success;
pa_threaded_mainloop_signal(p->mainloop, 0);
@@ -353,8 +379,8 @@ static void success_cb(pa_stream *s, int success, void *userdata) {
int pa_simple_drain(pa_simple *p, int *rerror) {
pa_operation *o = NULL;
-
- assert(p);
+
+ pa_assert(p);
CHECK_VALIDITY_RETURN_ANY(rerror, p->direction == PA_STREAM_PLAYBACK, PA_ERR_BADSTATE, -1);
@@ -365,12 +391,12 @@ int pa_simple_drain(pa_simple *p, int *rerror) {
CHECK_SUCCESS_GOTO(p, rerror, o, unlock_and_fail);
p->operation_success = 0;
- while (pa_operation_get_state(o) != PA_OPERATION_DONE) {
+ while (pa_operation_get_state(o) == PA_OPERATION_RUNNING) {
pa_threaded_mainloop_wait(p->mainloop);
CHECK_DEAD_GOTO(p, rerror, unlock_and_fail);
}
CHECK_SUCCESS_GOTO(p, rerror, p->operation_success, unlock_and_fail);
-
+
pa_operation_unref(o);
pa_threaded_mainloop_unlock(p->mainloop);
@@ -389,8 +415,8 @@ unlock_and_fail:
int pa_simple_flush(pa_simple *p, int *rerror) {
pa_operation *o = NULL;
-
- assert(p);
+
+ pa_assert(p);
CHECK_VALIDITY_RETURN_ANY(rerror, p->direction == PA_STREAM_PLAYBACK, PA_ERR_BADSTATE, -1);
@@ -399,9 +425,9 @@ int pa_simple_flush(pa_simple *p, int *rerror) {
o = pa_stream_flush(p->stream, success_cb, p);
CHECK_SUCCESS_GOTO(p, rerror, o, unlock_and_fail);
-
+
p->operation_success = 0;
- while (pa_operation_get_state(o) != PA_OPERATION_DONE) {
+ while (pa_operation_get_state(o) == PA_OPERATION_RUNNING) {
pa_threaded_mainloop_wait(p->mainloop);
CHECK_DEAD_GOTO(p, rerror, unlock_and_fail);
}
@@ -426,14 +452,14 @@ unlock_and_fail:
pa_usec_t pa_simple_get_latency(pa_simple *p, int *rerror) {
pa_usec_t t;
int negative;
-
- assert(p);
-
+
+ pa_assert(p);
+
pa_threaded_mainloop_lock(p->mainloop);
for (;;) {
CHECK_DEAD_GOTO(p, rerror, unlock_and_fail);
-
+
if (pa_stream_get_latency(p->stream, &t, &negative) >= 0)
break;
@@ -442,7 +468,7 @@ pa_usec_t pa_simple_get_latency(pa_simple *p, int *rerror) {
/* Wait until latency data is available again */
pa_threaded_mainloop_wait(p->mainloop);
}
-
+
pa_threaded_mainloop_unlock(p->mainloop);
return negative ? 0 : t;
@@ -452,4 +478,3 @@ unlock_and_fail:
pa_threaded_mainloop_unlock(p->mainloop);
return (pa_usec_t) -1;
}
-
generated by cgit (git 2.34.1) at 2026-01-17 05:46:38 +0000