mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-11-04 13:29:59 -05:00
big s/polyp/pulse/g
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1033 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering
parent
dd21f11ded
commit
f44ba09265
303 changed files with 2724 additions and 2719 deletions
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@ -1,494 +0,0 @@
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/* $Id$ */
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/***
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This file is part of polypaudio.
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polypaudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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polypaudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with polypaudio; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA.
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***/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <assert.h>
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#include <stdlib.h>
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#include <limits.h>
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#include <stdio.h>
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#include <errno.h>
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#include <string.h>
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#include <polyp/xmalloc.h>
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#include <polypcore/sink-input.h>
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#include <polypcore/source-output.h>
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#include <polypcore/client.h>
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#include <polypcore/sample-util.h>
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#include <polypcore/namereg.h>
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#include <polypcore/log.h>
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#include <polypcore/core-error.h>
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#include "protocol-simple.h"
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/* Don't allow more than this many concurrent connections */
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#define MAX_CONNECTIONS 10
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struct connection {
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pa_protocol_simple *protocol;
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pa_iochannel *io;
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pa_sink_input *sink_input;
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pa_source_output *source_output;
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pa_client *client;
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pa_memblockq *input_memblockq, *output_memblockq;
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pa_defer_event *defer_event;
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int dead;
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struct {
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pa_memblock *current_memblock;
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size_t memblock_index, fragment_size;
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} playback;
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};
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struct pa_protocol_simple {
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pa_module *module;
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pa_core *core;
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pa_socket_server*server;
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pa_idxset *connections;
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enum {
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RECORD = 1,
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PLAYBACK = 2,
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DUPLEX = 3
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} mode;
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pa_sample_spec sample_spec;
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char *source_name, *sink_name;
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};
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#define PLAYBACK_BUFFER_SECONDS (.5)
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#define PLAYBACK_BUFFER_FRAGMENTS (10)
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#define RECORD_BUFFER_SECONDS (5)
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#define RECORD_BUFFER_FRAGMENTS (100)
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static void connection_free(struct connection *c) {
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assert(c);
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pa_idxset_remove_by_data(c->protocol->connections, c, NULL);
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if (c->playback.current_memblock)
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pa_memblock_unref(c->playback.current_memblock);
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if (c->sink_input) {
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pa_sink_input_disconnect(c->sink_input);
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pa_sink_input_unref(c->sink_input);
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}
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if (c->source_output) {
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pa_source_output_disconnect(c->source_output);
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pa_source_output_unref(c->source_output);
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}
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if (c->client)
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pa_client_free(c->client);
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if (c->io)
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pa_iochannel_free(c->io);
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if (c->input_memblockq)
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pa_memblockq_free(c->input_memblockq);
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if (c->output_memblockq)
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pa_memblockq_free(c->output_memblockq);
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if (c->defer_event)
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c->protocol->core->mainloop->defer_free(c->defer_event);
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pa_xfree(c);
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}
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static int do_read(struct connection *c) {
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pa_memchunk chunk;
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ssize_t r;
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size_t l;
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if (!c->sink_input || !(l = pa_memblockq_missing(c->input_memblockq)))
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return 0;
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if (l > c->playback.fragment_size)
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l = c->playback.fragment_size;
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if (c->playback.current_memblock)
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if (c->playback.current_memblock->length - c->playback.memblock_index < l) {
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pa_memblock_unref(c->playback.current_memblock);
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c->playback.current_memblock = NULL;
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c->playback.memblock_index = 0;
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}
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if (!c->playback.current_memblock) {
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c->playback.current_memblock = pa_memblock_new(c->playback.fragment_size*2, c->protocol->core->memblock_stat);
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assert(c->playback.current_memblock && c->playback.current_memblock->length >= l);
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c->playback.memblock_index = 0;
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}
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if ((r = pa_iochannel_read(c->io, (uint8_t*) c->playback.current_memblock->data+c->playback.memblock_index, l)) <= 0) {
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pa_log_debug(__FILE__": read(): %s", r == 0 ? "EOF" : pa_cstrerror(errno));
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return -1;
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}
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chunk.memblock = c->playback.current_memblock;
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chunk.index = c->playback.memblock_index;
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chunk.length = r;
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assert(chunk.memblock);
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c->playback.memblock_index += r;
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assert(c->input_memblockq);
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pa_memblockq_push_align(c->input_memblockq, &chunk);
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assert(c->sink_input);
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pa_sink_notify(c->sink_input->sink);
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return 0;
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}
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static int do_write(struct connection *c) {
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pa_memchunk chunk;
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ssize_t r;
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if (!c->source_output)
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return 0;
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assert(c->output_memblockq);
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if (pa_memblockq_peek(c->output_memblockq, &chunk) < 0)
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return 0;
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assert(chunk.memblock && chunk.length);
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if ((r = pa_iochannel_write(c->io, (uint8_t*) chunk.memblock->data+chunk.index, chunk.length)) < 0) {
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pa_memblock_unref(chunk.memblock);
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pa_log(__FILE__": write(): %s", pa_cstrerror(errno));
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return -1;
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}
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pa_memblockq_drop(c->output_memblockq, &chunk, r);
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pa_memblock_unref(chunk.memblock);
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pa_source_notify(c->source_output->source);
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return 0;
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}
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static void do_work(struct connection *c) {
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assert(c);
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assert(c->protocol && c->protocol->core && c->protocol->core->mainloop && c->protocol->core->mainloop->defer_enable);
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c->protocol->core->mainloop->defer_enable(c->defer_event, 0);
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if (c->dead)
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return;
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if (pa_iochannel_is_readable(c->io)) {
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if (do_read(c) < 0)
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goto fail;
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} else if (pa_iochannel_is_hungup(c->io))
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goto fail;
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if (pa_iochannel_is_writable(c->io)) {
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if (do_write(c) < 0)
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goto fail;
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}
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return;
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fail:
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if (c->sink_input) {
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c->dead = 1;
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pa_iochannel_free(c->io);
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c->io = NULL;
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pa_memblockq_prebuf_disable(c->input_memblockq);
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pa_sink_notify(c->sink_input->sink);
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} else
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connection_free(c);
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}
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/*** sink_input callbacks ***/
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static int sink_input_peek_cb(pa_sink_input *i, pa_memchunk *chunk) {
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struct connection*c;
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assert(i && i->userdata && chunk);
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c = i->userdata;
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if (pa_memblockq_peek(c->input_memblockq, chunk) < 0) {
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if (c->dead)
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connection_free(c);
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return -1;
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}
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return 0;
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}
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static void sink_input_drop_cb(pa_sink_input *i, const pa_memchunk *chunk, size_t length) {
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struct connection*c = i->userdata;
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assert(i && c && length);
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pa_memblockq_drop(c->input_memblockq, chunk, length);
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/* do something */
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assert(c->protocol && c->protocol->core && c->protocol->core->mainloop && c->protocol->core->mainloop->defer_enable);
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c->protocol->core->mainloop->defer_enable(c->defer_event, 1);
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}
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static void sink_input_kill_cb(pa_sink_input *i) {
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assert(i && i->userdata);
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connection_free((struct connection *) i->userdata);
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}
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static pa_usec_t sink_input_get_latency_cb(pa_sink_input *i) {
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struct connection*c = i->userdata;
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assert(i && c);
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return pa_bytes_to_usec(pa_memblockq_get_length(c->input_memblockq), &c->sink_input->sample_spec);
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}
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/*** source_output callbacks ***/
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static void source_output_push_cb(pa_source_output *o, const pa_memchunk *chunk) {
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struct connection *c = o->userdata;
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assert(o && c && chunk);
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pa_memblockq_push(c->output_memblockq, chunk);
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/* do something */
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assert(c->protocol && c->protocol->core && c->protocol->core->mainloop && c->protocol->core->mainloop->defer_enable);
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c->protocol->core->mainloop->defer_enable(c->defer_event, 1);
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}
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static void source_output_kill_cb(pa_source_output *o) {
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assert(o && o->userdata);
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connection_free((struct connection *) o->userdata);
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}
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static pa_usec_t source_output_get_latency_cb(pa_source_output *o) {
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struct connection*c = o->userdata;
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assert(o && c);
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return pa_bytes_to_usec(pa_memblockq_get_length(c->output_memblockq), &c->source_output->sample_spec);
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}
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/*** client callbacks ***/
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static void client_kill_cb(pa_client *c) {
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assert(c && c->userdata);
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connection_free((struct connection *) c->userdata);
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}
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/*** pa_iochannel callbacks ***/
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static void io_callback(pa_iochannel*io, void *userdata) {
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struct connection *c = userdata;
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assert(io && c && c->io == io);
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do_work(c);
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}
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/*** fixed callback ***/
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static void defer_callback(pa_mainloop_api*a, pa_defer_event *e, void *userdata) {
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struct connection *c = userdata;
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assert(a && c && c->defer_event == e);
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do_work(c);
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}
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/*** socket_server callbacks ***/
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static void on_connection(pa_socket_server*s, pa_iochannel *io, void *userdata) {
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pa_protocol_simple *p = userdata;
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struct connection *c = NULL;
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char cname[256];
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assert(s && io && p);
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||||
|
||||
if (pa_idxset_size(p->connections)+1 > MAX_CONNECTIONS) {
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pa_log(__FILE__": Warning! Too many connections (%u), dropping incoming connection.", MAX_CONNECTIONS);
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||||
pa_iochannel_free(io);
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return;
|
||||
}
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||||
|
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c = pa_xmalloc(sizeof(struct connection));
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||||
c->io = io;
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||||
c->sink_input = NULL;
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||||
c->source_output = NULL;
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||||
c->defer_event = NULL;
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||||
c->input_memblockq = c->output_memblockq = NULL;
|
||||
c->protocol = p;
|
||||
c->playback.current_memblock = NULL;
|
||||
c->playback.memblock_index = 0;
|
||||
c->playback.fragment_size = 0;
|
||||
c->dead = 0;
|
||||
|
||||
pa_iochannel_socket_peer_to_string(io, cname, sizeof(cname));
|
||||
c->client = pa_client_new(p->core, __FILE__, cname);
|
||||
assert(c->client);
|
||||
c->client->owner = p->module;
|
||||
c->client->kill = client_kill_cb;
|
||||
c->client->userdata = c;
|
||||
|
||||
if (p->mode & PLAYBACK) {
|
||||
pa_sink *sink;
|
||||
size_t l;
|
||||
|
||||
if (!(sink = pa_namereg_get(p->core, p->sink_name, PA_NAMEREG_SINK, 1))) {
|
||||
pa_log(__FILE__": Failed to get sink.");
|
||||
goto fail;
|
||||
}
|
||||
|
||||
if (!(c->sink_input = pa_sink_input_new(sink, __FILE__, c->client->name, &p->sample_spec, NULL, NULL, 0, -1))) {
|
||||
pa_log(__FILE__": Failed to create sink input.");
|
||||
goto fail;
|
||||
}
|
||||
|
||||
c->sink_input->owner = p->module;
|
||||
c->sink_input->client = c->client;
|
||||
|
||||
c->sink_input->peek = sink_input_peek_cb;
|
||||
c->sink_input->drop = sink_input_drop_cb;
|
||||
c->sink_input->kill = sink_input_kill_cb;
|
||||
c->sink_input->get_latency = sink_input_get_latency_cb;
|
||||
c->sink_input->userdata = c;
|
||||
|
||||
l = (size_t) (pa_bytes_per_second(&p->sample_spec)*PLAYBACK_BUFFER_SECONDS);
|
||||
c->input_memblockq = pa_memblockq_new(
|
||||
0,
|
||||
l,
|
||||
0,
|
||||
pa_frame_size(&p->sample_spec),
|
||||
(size_t) -1,
|
||||
l/PLAYBACK_BUFFER_FRAGMENTS,
|
||||
NULL,
|
||||
p->core->memblock_stat);
|
||||
assert(c->input_memblockq);
|
||||
pa_iochannel_socket_set_rcvbuf(io, l/PLAYBACK_BUFFER_FRAGMENTS*5);
|
||||
c->playback.fragment_size = l/10;
|
||||
}
|
||||
|
||||
if (p->mode & RECORD) {
|
||||
pa_source *source;
|
||||
size_t l;
|
||||
|
||||
if (!(source = pa_namereg_get(p->core, p->source_name, PA_NAMEREG_SOURCE, 1))) {
|
||||
pa_log(__FILE__": Failed to get source.");
|
||||
goto fail;
|
||||
}
|
||||
|
||||
c->source_output = pa_source_output_new(source, __FILE__, c->client->name, &p->sample_spec, NULL, -1);
|
||||
if (!c->source_output) {
|
||||
pa_log(__FILE__": Failed to create source output.");
|
||||
goto fail;
|
||||
}
|
||||
c->source_output->owner = p->module;
|
||||
c->source_output->client = c->client;
|
||||
|
||||
c->source_output->push = source_output_push_cb;
|
||||
c->source_output->kill = source_output_kill_cb;
|
||||
c->source_output->get_latency = source_output_get_latency_cb;
|
||||
c->source_output->userdata = c;
|
||||
|
||||
l = (size_t) (pa_bytes_per_second(&p->sample_spec)*RECORD_BUFFER_SECONDS);
|
||||
c->output_memblockq = pa_memblockq_new(
|
||||
0,
|
||||
l,
|
||||
0,
|
||||
pa_frame_size(&p->sample_spec),
|
||||
1,
|
||||
0,
|
||||
NULL,
|
||||
p->core->memblock_stat);
|
||||
pa_iochannel_socket_set_sndbuf(io, l/RECORD_BUFFER_FRAGMENTS*2);
|
||||
}
|
||||
|
||||
pa_iochannel_set_callback(c->io, io_callback, c);
|
||||
pa_idxset_put(p->connections, c, NULL);
|
||||
|
||||
c->defer_event = p->core->mainloop->defer_new(p->core->mainloop, defer_callback, c);
|
||||
assert(c->defer_event);
|
||||
p->core->mainloop->defer_enable(c->defer_event, 0);
|
||||
|
||||
return;
|
||||
|
||||
fail:
|
||||
if (c)
|
||||
connection_free(c);
|
||||
}
|
||||
|
||||
pa_protocol_simple* pa_protocol_simple_new(pa_core *core, pa_socket_server *server, pa_module *m, pa_modargs *ma) {
|
||||
pa_protocol_simple* p = NULL;
|
||||
int enable;
|
||||
assert(core && server && ma);
|
||||
|
||||
p = pa_xmalloc0(sizeof(pa_protocol_simple));
|
||||
p->module = m;
|
||||
p->core = core;
|
||||
p->server = server;
|
||||
p->connections = pa_idxset_new(NULL, NULL);
|
||||
|
||||
p->sample_spec = core->default_sample_spec;
|
||||
if (pa_modargs_get_sample_spec(ma, &p->sample_spec) < 0) {
|
||||
pa_log(__FILE__": Failed to parse sample type specification.");
|
||||
goto fail;
|
||||
}
|
||||
|
||||
p->source_name = pa_xstrdup(pa_modargs_get_value(ma, "source", NULL));
|
||||
p->sink_name = pa_xstrdup(pa_modargs_get_value(ma, "sink", NULL));
|
||||
|
||||
enable = 0;
|
||||
if (pa_modargs_get_value_boolean(ma, "record", &enable) < 0) {
|
||||
pa_log(__FILE__": record= expects a numeric argument.");
|
||||
goto fail;
|
||||
}
|
||||
p->mode = enable ? RECORD : 0;
|
||||
|
||||
enable = 1;
|
||||
if (pa_modargs_get_value_boolean(ma, "playback", &enable) < 0) {
|
||||
pa_log(__FILE__": playback= expects a numeric argument.");
|
||||
goto fail;
|
||||
}
|
||||
p->mode |= enable ? PLAYBACK : 0;
|
||||
|
||||
if ((p->mode & (RECORD|PLAYBACK)) == 0) {
|
||||
pa_log(__FILE__": neither playback nor recording enabled for protocol.");
|
||||
goto fail;
|
||||
}
|
||||
|
||||
pa_socket_server_set_callback(p->server, on_connection, p);
|
||||
|
||||
return p;
|
||||
|
||||
fail:
|
||||
if (p)
|
||||
pa_protocol_simple_free(p);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
||||
void pa_protocol_simple_free(pa_protocol_simple *p) {
|
||||
struct connection *c;
|
||||
assert(p);
|
||||
|
||||
if (p->connections) {
|
||||
while((c = pa_idxset_first(p->connections, NULL)))
|
||||
connection_free(c);
|
||||
|
||||
pa_idxset_free(p->connections, NULL, NULL);
|
||||
}
|
||||
|
||||
if (p->server)
|
||||
pa_socket_server_unref(p->server);
|
||||
pa_xfree(p);
|
||||
}
|
||||
|
||||
Loading…
Add table
Add a link
Reference in a new issue