mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-11-03 09:01:50 -05:00
rename src to polyp
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@90 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering
parent
563201e128
commit
41f6aea8fd
125 changed files with 0 additions and 0 deletions
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@ -1,444 +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 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 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 "sink-input.h"
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#include "source-output.h"
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#include "protocol-simple.h"
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#include "client.h"
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#include "sample-util.h"
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#include "namereg.h"
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struct connection {
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struct pa_protocol_simple *protocol;
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struct pa_iochannel *io;
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struct pa_sink_input *sink_input;
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struct pa_source_output *source_output;
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struct pa_client *client;
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struct pa_memblockq *input_memblockq, *output_memblockq;
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void *fixed_source;
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struct {
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struct 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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struct pa_module *module;
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struct pa_core *core;
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struct pa_socket_server*server;
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struct 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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struct pa_sample_spec sample_spec;
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uint32_t sink_index, source_index;
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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_free(c->sink_input);
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if (c->source_output)
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pa_source_output_free(c->source_output);
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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->fixed_source)
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c->protocol->core->mainloop->cancel_fixed(c->protocol->core->mainloop, c->fixed_source);
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free(c);
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}
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static int do_read(struct connection *c) {
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struct 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);
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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, c->playback.current_memblock->data+c->playback.memblock_index, l)) <= 0) {
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fprintf(stderr, __FILE__": read() failed: %s\n", r == 0 ? "EOF" : strerror(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, 0);
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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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struct 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, chunk.memblock->data+chunk.index, chunk.length)) < 0) {
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pa_memblock_unref(chunk.memblock);
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fprintf(stderr, "write(): %s\n", strerror(errno));
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return -1;
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}
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pa_memblockq_drop(c->output_memblockq, r);
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pa_memblock_unref(chunk.memblock);
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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->enable_fixed);
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c->protocol->core->mainloop->enable_fixed(c->protocol->core->mainloop, c->fixed_source, 0);
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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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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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return;
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fail:
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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(struct pa_sink_input *i, struct 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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return -1;
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return 0;
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}
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static void sink_input_drop_cb(struct pa_sink_input *i, 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, 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->enable_fixed);
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c->protocol->core->mainloop->enable_fixed(c->protocol->core->mainloop, c->fixed_source, 1);
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}
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static void sink_input_kill_cb(struct 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 uint32_t sink_input_get_latency_cb(struct 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_samples_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(struct pa_source_output *o, const struct 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, 0);
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/* do something */
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assert(c->protocol && c->protocol->core && c->protocol->core->mainloop && c->protocol->core->mainloop->enable_fixed);
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c->protocol->core->mainloop->enable_fixed(c->protocol->core->mainloop, c->fixed_source, 1);
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}
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static void source_output_kill_cb(struct 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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/*** client callbacks ***/
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static void client_kill_cb(struct 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(struct 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 fixed_callback(struct pa_mainloop_api*a, void *id, void *userdata) {
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struct connection *c = userdata;
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assert(a && c && c->fixed_source == id);
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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(struct pa_socket_server*s, struct pa_iochannel *io, void *userdata) {
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struct 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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c = malloc(sizeof(struct connection));
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assert(c);
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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->fixed_source = NULL;
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c->input_memblockq = c->output_memblockq = NULL;
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c->protocol = p;
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c->playback.current_memblock = NULL;
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c->playback.memblock_index = 0;
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c->playback.fragment_size = 0;
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pa_iochannel_socket_peer_to_string(io, cname, sizeof(cname));
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c->client = pa_client_new(p->core, "SIMPLE", cname);
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assert(c->client);
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c->client->owner = p->module;
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c->client->kill = client_kill_cb;
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c->client->userdata = c;
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if (p->mode & PLAYBACK) {
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struct pa_sink *sink;
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size_t l;
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if (!(sink = pa_idxset_get_by_index(p->core->sinks, p->sink_index)))
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if (!(sink = pa_sink_get_default(p->core))) {
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fprintf(stderr, "Failed to get sink.\n");
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goto fail;
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}
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c->sink_input = pa_sink_input_new(sink, c->client->name, &p->sample_spec);
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if (!c->sink_input) {
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fprintf(stderr, "Failed to create sink input.\n");
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goto fail;
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}
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c->sink_input->owner = p->module;
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c->sink_input->client = c->client;
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c->sink_input->peek = sink_input_peek_cb;
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c->sink_input->drop = sink_input_drop_cb;
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c->sink_input->kill = sink_input_kill_cb;
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c->sink_input->get_latency = sink_input_get_latency_cb;
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c->sink_input->userdata = c;
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l = (size_t) (pa_bytes_per_second(&p->sample_spec)*PLAYBACK_BUFFER_SECONDS);
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c->input_memblockq = pa_memblockq_new(l, 0, pa_sample_size(&p->sample_spec), l/2, l/PLAYBACK_BUFFER_FRAGMENTS);
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assert(c->input_memblockq);
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pa_iochannel_socket_set_rcvbuf(io, l/PLAYBACK_BUFFER_FRAGMENTS*5);
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c->playback.fragment_size = l/10;
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}
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if (p->mode & RECORD) {
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struct pa_source *source;
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size_t l;
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if (!(source = pa_idxset_get_by_index(p->core->sources, p->source_index)))
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if (!(source = pa_source_get_default(p->core))) {
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fprintf(stderr, "Failed to get source.\n");
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goto fail;
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}
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c->source_output = pa_source_output_new(source, c->client->name, &p->sample_spec);
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if (!c->source_output) {
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fprintf(stderr, "Failed to create source output.\n");
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goto fail;
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}
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c->source_output->owner = p->module;
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c->source_output->client = c->client;
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c->source_output->push = source_output_push_cb;
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c->source_output->kill = source_output_kill_cb;
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c->source_output->userdata = c;
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l = (size_t) (pa_bytes_per_second(&p->sample_spec)*RECORD_BUFFER_SECONDS);
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c->output_memblockq = pa_memblockq_new(l, 0, pa_sample_size(&p->sample_spec), 0, 0);
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pa_iochannel_socket_set_sndbuf(io, l/RECORD_BUFFER_FRAGMENTS*2);
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}
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pa_iochannel_set_callback(c->io, io_callback, c);
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pa_idxset_put(p->connections, c, NULL);
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c->fixed_source = p->core->mainloop->source_fixed(p->core->mainloop, fixed_callback, c);
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assert(c->fixed_source);
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p->core->mainloop->enable_fixed(p->core->mainloop, c->fixed_source, 0);
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return;
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fail:
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if (c)
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connection_free(c);
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}
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struct pa_protocol_simple* pa_protocol_simple_new(struct pa_core *core, struct pa_socket_server *server, struct pa_module *m, struct pa_modargs *ma) {
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struct pa_protocol_simple* p = NULL;
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uint32_t enable;
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assert(core && server && ma);
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p = malloc(sizeof(struct pa_protocol_simple));
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assert(p);
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memset(p, 0, sizeof(struct pa_protocol_simple));
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p->module = m;
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p->core = core;
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p->server = server;
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p->connections = pa_idxset_new(NULL, NULL);
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p->sample_spec = core->default_sample_spec;
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if (pa_modargs_get_sample_spec(ma, &p->sample_spec) < 0) {
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fprintf(stderr, "Failed to parse sample type specification.\n");
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goto fail;
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}
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if (pa_modargs_get_source_index(ma, core, &p->source_index) < 0) {
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fprintf(stderr, __FILE__": source does not exist.\n");
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goto fail;
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||||
}
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if (pa_modargs_get_sink_index(ma, core, &p->sink_index) < 0) {
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fprintf(stderr, __FILE__": sink does not exist.\n");
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||||
goto fail;
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||||
}
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enable = 0;
|
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if (pa_modargs_get_value_u32(ma, "record", &enable) < 0) {
|
||||
fprintf(stderr, __FILE__": record= expects a numeric argument.\n");
|
||||
goto fail;
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||||
}
|
||||
p->mode = enable ? RECORD : 0;
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||||
|
||||
enable = 1;
|
||||
if (pa_modargs_get_value_u32(ma, "playback", &enable) < 0) {
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fprintf(stderr, __FILE__": playback= expects a numeric argument.\n");
|
||||
goto fail;
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||||
}
|
||||
p->mode |= enable ? PLAYBACK : 0;
|
||||
|
||||
if ((p->mode & (RECORD|PLAYBACK)) == 0) {
|
||||
fprintf(stderr, __FILE__": neither playback nor recording enabled for protocol.\n");
|
||||
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(struct 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_free(p->server);
|
||||
free(p);
|
||||
}
|
||||
|
||||
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