From f44ba092651aa75055e109e04b4164ea92ae7fdc Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Mon, 19 Jun 2006 21:53:48 +0000 Subject: big s/polyp/pulse/g git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1033 fefdeb5f-60dc-0310-8127-8f9354f1896f --- src/polyp/simple.c | 455 ----------------------------------------------------- 1 file changed, 455 deletions(-) delete mode 100644 src/polyp/simple.c (limited to 'src/polyp/simple.c') diff --git a/src/polyp/simple.c b/src/polyp/simple.c deleted file mode 100644 index 9c2c908c..00000000 --- a/src/polyp/simple.c +++ /dev/null @@ -1,455 +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 -#endif - -#include -#include -#include -#include - -#include -#include -#include - -#include -#include - -#include "simple.h" - -struct pa_simple { - pa_threaded_mainloop *mainloop; - pa_context *context; - pa_stream *stream; - pa_stream_direction_t direction; - - const void *read_data; - size_t read_index, read_length; - - 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); - -static void context_state_cb(pa_context *c, void *userdata) { - pa_simple *p = userdata; - assert(c); - assert(p); - - switch (pa_context_get_state(c)) { - case PA_CONTEXT_READY: - case PA_CONTEXT_TERMINATED: - case PA_CONTEXT_FAILED: - pa_threaded_mainloop_signal(p->mainloop, 0); - break; - - case PA_CONTEXT_UNCONNECTED: - case PA_CONTEXT_CONNECTING: - case PA_CONTEXT_AUTHORIZING: - case PA_CONTEXT_SETTING_NAME: - break; - } -} - -static void stream_state_cb(pa_stream *s, void * userdata) { - pa_simple *p = userdata; - assert(s); - assert(p); - - switch (pa_stream_get_state(s)) { - - case PA_STREAM_READY: - case PA_STREAM_FAILED: - case PA_STREAM_TERMINATED: - pa_threaded_mainloop_signal(p->mainloop, 0); - break; - - case PA_STREAM_UNCONNECTED: - case PA_STREAM_CREATING: - break; - } -} - -static void stream_request_cb(pa_stream *s, size_t length, void *userdata) { - pa_simple *p = userdata; - assert(p); - - pa_threaded_mainloop_signal(p->mainloop, 0); -} - -static void stream_latency_update_cb(pa_stream *s, void *userdata) { - pa_simple *p = userdata; - - 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) { - - pa_simple *p; - int error = PA_ERR_INTERNAL, r; - - CHECK_VALIDITY_RETURN_ANY(rerror, !server || *server, PA_ERR_INVALID, NULL); - CHECK_VALIDITY_RETURN_ANY(rerror, dir == PA_STREAM_PLAYBACK || dir == PA_STREAM_RECORD, PA_ERR_INVALID, NULL); - CHECK_VALIDITY_RETURN_ANY(rerror, !dev || *dev, PA_ERR_INVALID, NULL); - 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->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; - } - - pa_threaded_mainloop_lock(p->mainloop); - - 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; - } - - if (!(p->stream = pa_stream_new(p->context, stream_name, ss, map))) { - error = pa_context_errno(p->context); - goto unlock_and_fail; - } - - pa_stream_set_state_callback(p->stream, stream_state_cb, p); - pa_stream_set_read_callback(p->stream, stream_request_cb, p); - pa_stream_set_write_callback(p->stream, stream_request_cb, p); - 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); - else - r = pa_stream_connect_record(p->stream, dev, attr, PA_STREAM_INTERPOLATE_TIMING|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); - - /* 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; - } - - pa_threaded_mainloop_unlock(p->mainloop); - - return p; - -unlock_and_fail: - pa_threaded_mainloop_unlock(p->mainloop); - -fail: - if (rerror) - *rerror = error; - pa_simple_free(p); - return NULL; -} - -void pa_simple_free(pa_simple *s) { - assert(s); - - if (s->mainloop) - pa_threaded_mainloop_stop(s->mainloop); - - if (s->stream) - pa_stream_unref(s->stream); - - if (s->context) - pa_context_unref(s->context); - - if (s->mainloop) - pa_threaded_mainloop_free(s->mainloop); - - pa_xfree(s); -} - -int pa_simple_write(pa_simple *p, const void*data, size_t length, int *rerror) { - 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); - - 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); - 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); - - 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); - - 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); - - if (!p->read_data) { - pa_threaded_mainloop_wait(p->mainloop); - CHECK_DEAD_GOTO(p, rerror, unlock_and_fail); - } 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; -} - -static void success_cb(pa_stream *s, int success, void *userdata) { - pa_simple *p = userdata; - - assert(s); - assert(p); - - p->operation_success = success; - pa_threaded_mainloop_signal(p->mainloop, 0); -} - -int pa_simple_drain(pa_simple *p, int *rerror) { - pa_operation *o = NULL; - - assert(p); - - CHECK_VALIDITY_RETURN_ANY(rerror, p->direction == PA_STREAM_PLAYBACK, PA_ERR_BADSTATE, -1); - - pa_threaded_mainloop_lock(p->mainloop); - CHECK_DEAD_GOTO(p, rerror, unlock_and_fail); - - o = pa_stream_drain(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) { - 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); - - return 0; - -unlock_and_fail: - - if (o) { - pa_operation_cancel(o); - pa_operation_unref(o); - } - - pa_threaded_mainloop_unlock(p->mainloop); - return -1; -} - -int pa_simple_flush(pa_simple *p, int *rerror) { - pa_operation *o = NULL; - - assert(p); - - CHECK_VALIDITY_RETURN_ANY(rerror, p->direction == PA_STREAM_PLAYBACK, PA_ERR_BADSTATE, -1); - - pa_threaded_mainloop_lock(p->mainloop); - CHECK_DEAD_GOTO(p, rerror, unlock_and_fail); - - 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) { - 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); - - return 0; - -unlock_and_fail: - - if (o) { - pa_operation_cancel(o); - pa_operation_unref(o); - } - - pa_threaded_mainloop_unlock(p->mainloop); - return -1; -} - -pa_usec_t pa_simple_get_latency(pa_simple *p, int *rerror) { - pa_usec_t t; - int negative; - - 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; - - CHECK_SUCCESS_GOTO(p, rerror, pa_context_errno(p->context) == PA_ERR_NODATA, unlock_and_fail); - - /* Wait until latency data is available again */ - pa_threaded_mainloop_wait(p->mainloop); - } - - pa_threaded_mainloop_unlock(p->mainloop); - - return negative ? 0 : t; - -unlock_and_fail: - - pa_threaded_mainloop_unlock(p->mainloop); - return (pa_usec_t) -1; -} - -- cgit