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-rw-r--r--polyp/polyplib-simple.c393
1 files changed, 0 insertions, 393 deletions
diff --git a/polyp/polyplib-simple.c b/polyp/polyplib-simple.c
deleted file mode 100644
index e5512152..00000000
--- a/polyp/polyplib-simple.c
+++ /dev/null
@@ -1,393 +0,0 @@
-/* $Id$ */
-
-/***
- This file is part of polypaudio.
-
- polypaudio 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,
- or (at your option) any later version.
-
- polypaudio 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 polypaudio; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- USA.
-***/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <stdio.h>
-#include <string.h>
-#include <assert.h>
-#include <stdlib.h>
-
-#include "polyplib-simple.h"
-#include "polyplib.h"
-#include "mainloop.h"
-#include "native-common.h"
-#include "xmalloc.h"
-#include "log.h"
-
-struct pa_simple {
- pa_mainloop *mainloop;
- pa_context *context;
- pa_stream *stream;
- pa_stream_direction_t direction;
-
- int dead;
-
- void *read_data;
- size_t read_index, read_length;
- pa_usec_t latency;
-};
-
-static void read_callback(pa_stream *s, const void*data, size_t length, void *userdata);
-
-static int check_error(pa_simple *p, int *rerror) {
- pa_context_state_t cst;
- pa_stream_state_t sst;
- assert(p);
-
- if ((cst = pa_context_get_state(p->context)) == PA_CONTEXT_FAILED)
- goto fail;
-
- assert(cst != PA_CONTEXT_TERMINATED);
-
- if (p->stream) {
- if ((sst = pa_stream_get_state(p->stream)) == PA_STREAM_FAILED)
- goto fail;
-
- assert(sst != PA_STREAM_TERMINATED);
- }
-
- return 0;
-
-fail:
- if (rerror)
- *rerror = pa_context_errno(p->context);
-
- p->dead = 1;
-
- return -1;
-}
-
-static int iterate(pa_simple *p, int block, int *rerror) {
- assert(p && p->context && p->mainloop);
-
- if (check_error(p, rerror) < 0)
- return -1;
-
- if (!block && !pa_context_is_pending(p->context))
- return 0;
-
- do {
- if (pa_mainloop_iterate(p->mainloop, 1, NULL) < 0) {
- if (rerror)
- *rerror = PA_ERROR_INTERNAL;
- return -1;
- }
-
- if (check_error(p, rerror) < 0)
- return -1;
-
- } while (pa_context_is_pending(p->context));
-
-
- while (pa_mainloop_deferred_pending(p->mainloop)) {
-
- if (pa_mainloop_iterate(p->mainloop, 0, NULL) < 0) {
- if (rerror)
- *rerror = PA_ERROR_INTERNAL;
- return -1;
- }
-
- if (check_error(p, rerror) < 0)
- return -1;
- }
-
- return 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_buffer_attr *attr,
- int *rerror) {
-
- pa_simple *p;
- int error = PA_ERROR_INTERNAL;
- assert(ss && (dir == PA_STREAM_PLAYBACK || dir == PA_STREAM_RECORD));
-
- p = pa_xmalloc(sizeof(pa_simple));
- p->context = NULL;
- p->stream = NULL;
- p->mainloop = pa_mainloop_new();
- assert(p->mainloop);
- p->dead = 0;
- p->direction = dir;
- p->read_data = NULL;
- p->read_index = p->read_length = 0;
- p->latency = 0;
-
- if (!(p->context = pa_context_new(pa_mainloop_get_api(p->mainloop), name)))
- goto fail;
-
- pa_context_connect(p->context, server, 1, NULL);
-
- /* Wait until the context is ready */
- while (pa_context_get_state(p->context) != PA_CONTEXT_READY) {
- if (iterate(p, 1, &error) < 0)
- goto fail;
- }
-
- if (!(p->stream = pa_stream_new(p->context, stream_name, ss, NULL)))
- goto fail;
-
- if (dir == PA_STREAM_PLAYBACK)
- pa_stream_connect_playback(p->stream, dev, attr, 0, NULL);
- else
- pa_stream_connect_record(p->stream, dev, attr, 0);
-
- /* Wait until the stream is ready */
- while (pa_stream_get_state(p->stream) != PA_STREAM_READY) {
- if (iterate(p, 1, &error) < 0)
- goto fail;
- }
-
- pa_stream_set_read_callback(p->stream, read_callback, p);
-
- return p;
-
-fail:
- if (rerror)
- *rerror = error;
- pa_simple_free(p);
- return NULL;
-}
-
-void pa_simple_free(pa_simple *s) {
- assert(s);
-
- pa_xfree(s->read_data);
-
- if (s->stream)
- pa_stream_unref(s->stream);
-
- if (s->context)
- pa_context_unref(s->context);
-
- if (s->mainloop)
- pa_mainloop_free(s->mainloop);
-
- pa_xfree(s);
-}
-
-int pa_simple_write(pa_simple *p, const void*data, size_t length, int *rerror) {
- assert(p && data && p->direction == PA_STREAM_PLAYBACK);
-
- if (p->dead) {
- if (rerror)
- *rerror = pa_context_errno(p->context);
-
- return -1;
- }
-
- while (length > 0) {
- size_t l;
-
- while (!(l = pa_stream_writable_size(p->stream)))
- if (iterate(p, 1, rerror) < 0)
- return -1;
-
- if (l > length)
- l = length;
-
- pa_stream_write(p->stream, data, l, NULL, 0);
- data = (const uint8_t*) data + l;
- length -= l;
- }
-
- /* Make sure that no data is pending for write */
- if (iterate(p, 0, rerror) < 0)
- return -1;
-
- return 0;
-}
-
-static void read_callback(pa_stream *s, const void*data, size_t length, void *userdata) {
- pa_simple *p = userdata;
- assert(s && data && length && p);
-
- if (p->read_data) {
- pa_log(__FILE__": Buffer overflow, dropping incoming memory blocks.\n");
- pa_xfree(p->read_data);
- }
-
- p->read_data = pa_xmemdup(data, p->read_length = length);
- p->read_index = 0;
-}
-
-int pa_simple_read(pa_simple *p, void*data, size_t length, int *rerror) {
- assert(p && data && p->direction == PA_STREAM_RECORD);
-
- if (p->dead) {
- if (rerror)
- *rerror = pa_context_errno(p->context);
-
- return -1;
- }
-
- while (length > 0) {
- if (p->read_data) {
- size_t l = length;
-
- if (p->read_length <= l)
- l = p->read_length;
-
- memcpy(data, (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) {
- pa_xfree(p->read_data);
- p->read_data = NULL;
- p->read_index = 0;
- }
-
- if (!length)
- return 0;
-
- assert(!p->read_data);
- }
-
- if (iterate(p, 1, rerror) < 0)
- return -1;
- }
-
- return 0;
-}
-
-static void drain_or_flush_complete(pa_stream *s, int success, void *userdata) {
- pa_simple *p = userdata;
- assert(s && p);
- if (!success)
- p->dead = 1;
-}
-
-int pa_simple_drain(pa_simple *p, int *rerror) {
- pa_operation *o;
- assert(p && p->direction == PA_STREAM_PLAYBACK);
-
- if (p->dead) {
- if (rerror)
- *rerror = pa_context_errno(p->context);
-
- return -1;
- }
-
- o = pa_stream_drain(p->stream, drain_or_flush_complete, p);
-
- while (pa_operation_get_state(o) == PA_OPERATION_RUNNING) {
- if (iterate(p, 1, rerror) < 0) {
- pa_operation_cancel(o);
- pa_operation_unref(o);
- return -1;
- }
- }
-
- pa_operation_unref(o);
-
- if (p->dead && rerror)
- *rerror = pa_context_errno(p->context);
-
- return p->dead ? -1 : 0;
-}
-
-static void latency_complete(pa_stream *s, const pa_latency_info *l, void *userdata) {
- pa_simple *p = userdata;
- assert(s && p);
-
- if (!l)
- p->dead = 1;
- else {
- int negative = 0;
- p->latency = pa_stream_get_latency(s, l, &negative);
- if (negative)
- p->latency = 0;
- }
-}
-
-pa_usec_t pa_simple_get_playback_latency(pa_simple *p, int *rerror) {
- pa_operation *o;
- assert(p && p->direction == PA_STREAM_PLAYBACK);
-
- if (p->dead) {
- if (rerror)
- *rerror = pa_context_errno(p->context);
-
- return (pa_usec_t) -1;
- }
-
- p->latency = 0;
- o = pa_stream_get_latency_info(p->stream, latency_complete, p);
-
- while (pa_operation_get_state(o) == PA_OPERATION_RUNNING) {
-
- if (iterate(p, 1, rerror) < 0) {
- pa_operation_cancel(o);
- pa_operation_unref(o);
- return -1;
- }
- }
-
- pa_operation_unref(o);
-
- if (p->dead && rerror)
- *rerror = pa_context_errno(p->context);
-
- return p->dead ? (pa_usec_t) -1 : p->latency;
-}
-
-int pa_simple_flush(pa_simple *p, int *rerror) {
- pa_operation *o;
- assert(p && p->direction == PA_STREAM_PLAYBACK);
-
- if (p->dead) {
- if (rerror)
- *rerror = pa_context_errno(p->context);
-
- return -1;
- }
-
- o = pa_stream_flush(p->stream, drain_or_flush_complete, p);
-
- while (pa_operation_get_state(o) == PA_OPERATION_RUNNING) {
- if (iterate(p, 1, rerror) < 0) {
- pa_operation_cancel(o);
- pa_operation_unref(o);
- return -1;
- }
- }
-
- pa_operation_unref(o);
-
- if (p->dead && rerror)
- *rerror = pa_context_errno(p->context);
-
- return p->dead ? -1 : 0;
-}
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