mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-11-02 09:01:46 -05:00
Start the raop sink. It's based on pipe sink and isn't anywhere near finished. It does however compile.
git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/coling@2335 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Colin Guthrie
parent
fef102e35a
commit
6570620cc3
2 changed files with 430 additions and 1 deletions
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@ -1004,7 +1004,13 @@ libsocket_util_la_SOURCES = \
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libsocket_util_la_LDFLAGS = -avoid-version
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libsocket_util_la_LIBADD = $(AM_LIBADD) $(WINSOCK_LIBS) libpulsecore.la
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librtp_la_SOURCES = modules/rtp/rtp.c modules/rtp/rtp.h modules/rtp/sdp.c modules/rtp/sdp.h modules/rtp/sap.c modules/rtp/sap.h
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librtp_la_SOURCES = \
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modules/rtp/rtp.c modules/rtp/rtp.h \
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modules/rtp/sdp.c modules/rtp/sdp.h \
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modules/rtp/sap.c modules/rtp/sap.h \
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modules/rtp/rtsp.c modules/rtp/rtsp.h \
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modules/rtp/headerlist.c modules/rtp/headerlist.h \
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modules/rtp/base64.c modules/rtp/base64.h
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librtp_la_LDFLAGS = -avoid-version
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librtp_la_LIBADD = $(AM_LIBADD) libpulsecore.la
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@ -1053,6 +1059,7 @@ modlibexec_LTLIBRARIES += \
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module-remap-sink.la \
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module-ladspa-sink.la \
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module-esound-sink.la \
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module-raop-sink.la \
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module-tunnel-sink.la \
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module-tunnel-source.la \
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module-position-event-sounds.la
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@ -1199,6 +1206,7 @@ SYMDEF_FILES = \
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modules/module-esound-compat-spawnfd-symdef.h \
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modules/module-esound-compat-spawnpid-symdef.h \
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modules/module-match-symdef.h \
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modules/module-raop-sink-symdef.h \
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modules/module-tunnel-sink-symdef.h \
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modules/module-tunnel-source-symdef.h \
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modules/module-null-sink-symdef.h \
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@ -1367,6 +1375,10 @@ module_match_la_SOURCES = modules/module-match.c
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module_match_la_LDFLAGS = -module -avoid-version
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module_match_la_LIBADD = $(AM_LIBADD) libpulsecore.la
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module_raop_sink_la_SOURCES = modules/module-raop-sink.c
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module_raop_sink_la_LDFLAGS = -module -avoid-version
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module_raop_sink_la_LIBADD = $(AM_LIBADD) libpulsecore.la libiochannel.la librtp.la
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module_tunnel_sink_la_SOURCES = modules/module-tunnel.c
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module_tunnel_sink_la_CFLAGS = -DTUNNEL_SINK=1 $(AM_CFLAGS)
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module_tunnel_sink_la_LDFLAGS = -module -avoid-version
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417
src/modules/module-raop-sink.c
Normal file
417
src/modules/module-raop-sink.c
Normal file
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@ -0,0 +1,417 @@
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/* $Id$ */
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/***
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This file is part of PulseAudio.
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Copyright 2004-2006 Lennart Poettering
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Copyright 2008 Colin Guthrie
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PulseAudio 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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PulseAudio 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 PulseAudio; 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 <stdlib.h>
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#include <sys/stat.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 <fcntl.h>
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#include <unistd.h>
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#include <limits.h>
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#include <sys/ioctl.h>
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#include <poll.h>
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#include <openssl/err.h>
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#include <openssl/rand.h>
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#include <openssl/aes.h>
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#include <openssl/rsa.h>
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#include <openssl/engine.h>
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#include <pulse/xmalloc.h>
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#include <pulsecore/core-error.h>
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#include <pulsecore/sink.h>
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#include <pulsecore/module.h>
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#include <pulsecore/core-util.h>
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#include <pulsecore/modargs.h>
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#include <pulsecore/log.h>
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#include <pulsecore/thread.h>
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#include <pulsecore/thread-mq.h>
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#include <pulsecore/random.h>
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#include <pulsecore/rtpoll.h>
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#include "rtp.h"
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#include "sdp.h"
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#include "sap.h"
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#include "rtsp.h"
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#include "base64.h"
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#include "module-raop-sink-symdef.h"
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#define JACK_STATUS_DISCONNECTED 0
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#define JACK_STATUS_CONNECTED 1
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#define JACK_TYPE_ANALOG 0
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#define JACK_TYPE_DIGITAL 1
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#define VOLUME_DEF -30
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#define VOLUME_MIN -144
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#define VOLUME_MAX 0
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PA_MODULE_AUTHOR("Colin Guthrie");
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PA_MODULE_DESCRIPTION("RAOP Sink (Apple Airport)");
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PA_MODULE_VERSION(PACKAGE_VERSION);
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PA_MODULE_LOAD_ONCE(FALSE);
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PA_MODULE_USAGE(
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"server=<address> "
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"sink_name=<name for the sink> "
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"format=<sample format> "
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"channels=<number of channels> "
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"rate=<sample rate>"
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"channel_map=<channel map>");
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#define DEFAULT_SINK_NAME "airtunes"
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#define AES_CHUNKSIZE 16
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struct userdata {
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pa_core *core;
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pa_module *module;
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pa_sink *sink;
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pa_thread *thread;
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pa_thread_mq thread_mq;
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pa_rtpoll *rtpoll;
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char *server_name;
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// Encryption Related bits
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AES_KEY aes;
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uint8_t aes_iv[AES_CHUNKSIZE]; // initialization vector for aes-cbc
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uint8_t aes_nv[AES_CHUNKSIZE]; // next vector for aes-cbc
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uint8_t aes_key[AES_CHUNKSIZE]; // key for aes-cbc
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pa_rtsp_context *rtsp;
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//pa_socket_client *client;
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pa_memchunk memchunk;
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pa_rtpoll_item *rtpoll_item;
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};
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static const char* const valid_modargs[] = {
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"server",
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"rate",
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"format",
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"channels",
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"sink_name",
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"channel_map",
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NULL
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};
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static int rsa_encrypt(uint8_t *text, int len, uint8_t *res) {
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char n[] =
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"59dE8qLieItsH1WgjrcFRKj6eUWqi+bGLOX1HL3U3GhC/j0Qg90u3sG/1CUtwC"
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"5vOYvfDmFI6oSFXi5ELabWJmT2dKHzBJKa3k9ok+8t9ucRqMd6DZHJ2YCCLlDR"
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"KSKv6kDqnw4UwPdpOMXziC/AMj3Z/lUVX1G7WSHCAWKf1zNS1eLvqr+boEjXuB"
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"OitnZ/bDzPHrTOZz0Dew0uowxf/+sG+NCK3eQJVxqcaJ/vEHKIVd2M+5qL71yJ"
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"Q+87X6oV3eaYvt3zWZYD6z5vYTcrtij2VZ9Zmni/UAaHqn9JdsBWLUEpVviYnh"
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"imNVvYFZeCXg/IdTQ+x4IRdiXNv5hEew==";
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char e[] = "AQAB";
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uint8_t modules[256];
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uint8_t exponent[8];
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int size;
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RSA *rsa;
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rsa = RSA_new();
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size = pa_base64_decode(n, modules);
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rsa->n = BN_bin2bn(modules, size, NULL);
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size = pa_base64_decode(e, exponent);
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rsa->e = BN_bin2bn(exponent, size, NULL);
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size = RSA_public_encrypt(len, text, res, rsa, RSA_PKCS1_OAEP_PADDING);
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RSA_free(rsa);
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return size;
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}
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static int aes_encrypt(struct userdata *u, uint8_t *data, int size)
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{
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uint8_t *buf;
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int i=0, j;
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pa_assert(u);
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memcpy(u->aes_nv, u->aes_iv, AES_CHUNKSIZE);
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while (i+AES_CHUNKSIZE <= size) {
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buf = data + i;
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for (j=0; j<AES_CHUNKSIZE; ++j)
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buf[j] ^= u->aes_nv[j];
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AES_encrypt(buf, buf, &u->aes);
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memcpy(u->aes_nv, buf, AES_CHUNKSIZE);
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i += AES_CHUNKSIZE;
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}
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return i;
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}
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static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offset, pa_memchunk *chunk) {
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struct userdata *u = PA_SINK(o)->userdata;
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switch (code) {
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case PA_SINK_MESSAGE_GET_LATENCY: {
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size_t n = 0;
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//int l;
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#ifdef TIOCINQ
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/*
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if (ioctl(u->fd, TIOCINQ, &l) >= 0 && l > 0)
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n = (size_t) l;
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*/
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#endif
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n += u->memchunk.length;
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*((pa_usec_t*) data) = pa_bytes_to_usec(n, &u->sink->sample_spec);
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break;
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}
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}
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return pa_sink_process_msg(o, code, data, offset, chunk);
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}
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static void thread_func(void *userdata) {
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struct userdata *u = userdata;
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//int write_type = 0;
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pa_assert(u);
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pa_log_debug("Thread starting up");
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pa_thread_mq_install(&u->thread_mq);
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pa_rtpoll_install(u->rtpoll);
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for (;;) {
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struct pollfd *pollfd;
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int ret;
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pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
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/* Render some data and write it to the fifo */
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if (u->sink->thread_info.state == PA_SINK_RUNNING && pollfd->revents) {
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ssize_t l;
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void *p;
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if (u->memchunk.length <= 0)
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pa_sink_render(u->sink, PIPE_BUF, &u->memchunk);
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pa_assert(u->memchunk.length > 0);
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p = pa_memblock_acquire(u->memchunk.memblock);
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//l = pa_write(u->fd, (uint8_t*) p + u->memchunk.index, u->memchunk.length, &write_type);
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// Fake the length of the "write".
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l = u->memchunk.length;
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pa_memblock_release(u->memchunk.memblock);
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pa_assert(l != 0);
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if (l < 0) {
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if (errno == EINTR)
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continue;
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else if (errno != EAGAIN) {
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pa_log("Failed to write data to FIFO: %s", pa_cstrerror(errno));
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goto fail;
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}
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} else {
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u->memchunk.index += l;
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u->memchunk.length -= l;
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if (u->memchunk.length <= 0) {
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pa_memblock_unref(u->memchunk.memblock);
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pa_memchunk_reset(&u->memchunk);
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}
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pollfd->revents = 0;
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}
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}
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/* Hmm, nothing to do. Let's sleep */
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pollfd->events = u->sink->thread_info.state == PA_SINK_RUNNING ? POLLOUT : 0;
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if ((ret = pa_rtpoll_run(u->rtpoll, TRUE)) < 0)
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goto fail;
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if (ret == 0)
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goto finish;
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pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
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if (pollfd->revents & ~POLLOUT) {
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pa_log("FIFO shutdown.");
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goto fail;
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}
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}
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fail:
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/* If this was no regular exit from the loop we have to continue
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* processing messages until we received PA_MESSAGE_SHUTDOWN */
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pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->core), PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, NULL, NULL);
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pa_asyncmsgq_wait_for(u->thread_mq.inq, PA_MESSAGE_SHUTDOWN);
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finish:
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pa_log_debug("Thread shutting down");
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}
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int pa__init(pa_module*m) {
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struct userdata *u;
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//struct stat st;
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pa_sample_spec ss;
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pa_channel_map map;
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pa_modargs *ma;
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char *t;
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struct pollfd *pollfd;
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pa_assert(m);
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if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
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pa_log("Failed to parse module arguments.");
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goto fail;
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||||
}
|
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|
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ss = m->core->default_sample_spec;
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||||
if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map, PA_CHANNEL_MAP_DEFAULT) < 0) {
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pa_log("Invalid sample format specification or channel map");
|
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goto fail;
|
||||
}
|
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|
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u = pa_xnew0(struct userdata, 1);
|
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u->core = m->core;
|
||||
u->module = m;
|
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m->userdata = u;
|
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|
||||
// Initialise the AES encryption system
|
||||
pa_random_seed();
|
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pa_random(u->aes_iv, sizeof(u->aes_iv));
|
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pa_random(u->aes_key, sizeof(u->aes_key));
|
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memcpy(u->aes_nv, u->aes_iv, sizeof(u->aes_nv));
|
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AES_set_encrypt_key(u->aes_key, 128, &u->aes);
|
||||
|
||||
pa_memchunk_reset(&u->memchunk);
|
||||
pa_thread_mq_init(&u->thread_mq, m->core->mainloop);
|
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u->rtpoll = pa_rtpoll_new();
|
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pa_rtpoll_item_new_asyncmsgq(u->rtpoll, PA_RTPOLL_EARLY, u->thread_mq.inq);
|
||||
|
||||
u->server_name = pa_xstrdup(pa_modargs_get_value(ma, "server", NULL));
|
||||
|
||||
// Open a connection to the server... this is just to connect and test....
|
||||
/*
|
||||
mkfifo(u->filename, 0666);
|
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if ((u->fd = open(u->filename, O_RDWR|O_NOCTTY)) < 0) {
|
||||
pa_log("open('%s'): %s", u->filename, pa_cstrerror(errno));
|
||||
goto fail;
|
||||
}
|
||||
|
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pa_make_fd_cloexec(u->fd);
|
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pa_make_fd_nonblock(u->fd);
|
||||
|
||||
if (fstat(u->fd, &st) < 0) {
|
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pa_log("fstat('%s'): %s", u->filename, pa_cstrerror(errno));
|
||||
goto fail;
|
||||
}
|
||||
|
||||
if (!S_ISFIFO(st.st_mode)) {
|
||||
pa_log("'%s' is not a FIFO.", u->filename);
|
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goto fail;
|
||||
}
|
||||
*/
|
||||
if (!(u->sink = pa_sink_new(m->core, __FILE__, pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME), 0, &ss, &map))) {
|
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pa_log("Failed to create sink.");
|
||||
goto fail;
|
||||
}
|
||||
|
||||
u->sink->parent.process_msg = sink_process_msg;
|
||||
u->sink->userdata = u;
|
||||
u->sink->flags = PA_SINK_LATENCY;
|
||||
|
||||
pa_sink_set_module(u->sink, m);
|
||||
pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
|
||||
pa_sink_set_rtpoll(u->sink, u->rtpoll);
|
||||
pa_sink_set_description(u->sink, t = pa_sprintf_malloc("Airtunes sink '%s'", u->server_name));
|
||||
pa_xfree(t);
|
||||
|
||||
u->rtpoll_item = pa_rtpoll_item_new(u->rtpoll, PA_RTPOLL_NEVER, 1);
|
||||
pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
|
||||
//pollfd->fd = u->fd;
|
||||
pollfd->events = pollfd->revents = 0;
|
||||
|
||||
if (!(u->thread = pa_thread_new(thread_func, u))) {
|
||||
pa_log("Failed to create thread.");
|
||||
goto fail;
|
||||
}
|
||||
|
||||
pa_sink_put(u->sink);
|
||||
|
||||
pa_modargs_free(ma);
|
||||
|
||||
return 0;
|
||||
|
||||
fail:
|
||||
if (ma)
|
||||
pa_modargs_free(ma);
|
||||
|
||||
pa__done(m);
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
void pa__done(pa_module*m) {
|
||||
struct userdata *u;
|
||||
|
||||
pa_assert(m);
|
||||
|
||||
if (!(u = m->userdata))
|
||||
return;
|
||||
|
||||
if (u->sink)
|
||||
pa_sink_unlink(u->sink);
|
||||
|
||||
if (u->thread) {
|
||||
pa_asyncmsgq_send(u->thread_mq.inq, NULL, PA_MESSAGE_SHUTDOWN, NULL, 0, NULL);
|
||||
pa_thread_free(u->thread);
|
||||
}
|
||||
|
||||
pa_thread_mq_done(&u->thread_mq);
|
||||
|
||||
if (u->sink)
|
||||
pa_sink_unref(u->sink);
|
||||
|
||||
if (u->memchunk.memblock)
|
||||
pa_memblock_unref(u->memchunk.memblock);
|
||||
|
||||
if (u->rtpoll_item)
|
||||
pa_rtpoll_item_free(u->rtpoll_item);
|
||||
|
||||
if (u->rtpoll)
|
||||
pa_rtpoll_free(u->rtpoll);
|
||||
|
||||
pa_xfree(u->server_name);
|
||||
pa_xfree(u);
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue