2011-01-28 21:17:09 +01:00
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/*
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2011-01-29 10:13:54 +01:00
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* Copyright (C) 2003-2011 The Music Player Daemon Project
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2011-01-28 21:17:09 +01:00
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* http://www.musicpd.org
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*
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* This program 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 by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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2011-09-17 08:54:28 +02:00
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#include "config.h"
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2011-08-24 02:02:29 +02:00
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#include "raop_output_plugin.h"
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2011-01-28 21:17:09 +01:00
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#include "output_api.h"
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#include "mixer_list.h"
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#include "raop_output_plugin.h"
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2011-09-17 19:44:30 +02:00
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#include "ntp_server.h"
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2011-08-24 02:02:29 +02:00
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#include "rtsp_client.h"
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2011-08-29 08:25:11 +02:00
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#include "glib_compat.h"
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2011-01-28 21:17:09 +01:00
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#include <glib.h>
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#include <unistd.h>
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2011-09-17 19:44:30 +02:00
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#include <sys/time.h>
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#include <openssl/aes.h>
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2011-01-28 21:17:09 +01:00
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#include <openssl/err.h>
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#include <openssl/rand.h>
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#include <openssl/rsa.h>
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#include <openssl/engine.h>
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2011-07-20 21:18:55 +02:00
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#ifndef WIN32
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#include <arpa/inet.h>
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#include <sys/socket.h>
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#include <netdb.h>
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#endif
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2011-01-28 21:17:09 +01:00
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#undef G_LOG_DOMAIN
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#define G_LOG_DOMAIN "raop"
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2011-09-17 19:44:30 +02:00
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struct play_state {
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bool playing;
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unsigned short seq_num;
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unsigned int rtptime;
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unsigned int sync_src;
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unsigned int start_rtptime;
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struct timeval start_time;
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struct timeval last_send;
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};
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/*********************************************************************/
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enum pause_state {
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NO_PAUSE = 0,
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OP_PAUSE,
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NODATA_PAUSE,
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};
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#define MINIMUM_SAMPLE_SIZE 32
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#define RAOP_FD_READ (1<<0)
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#define RAOP_FD_WRITE (1<<1)
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/*********************************************************************/
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struct encrypt_data {
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AES_KEY ctx;
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unsigned char iv[16]; // initialization vector for aes-cbc
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unsigned char nv[16]; // next vector for aes-cbc
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unsigned char key[16]; // key for aes-cbc
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};
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/*********************************************************************/
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struct raop_data {
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struct rtspcl_data *rtspcl;
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const char *addr; // target host address
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short rtsp_port;
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struct sockaddr_in ctrl_addr;
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struct sockaddr_in data_addr;
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bool is_master;
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struct raop_data *next;
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unsigned volume;
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GMutex *control_mutex;
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bool started;
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bool paused;
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};
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/*********************************************************************/
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struct control_data {
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unsigned short port;
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int fd;
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};
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/*********************************************************************/
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#define NUMSAMPLES 352
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#define RAOP_BUFFER_SIZE NUMSAMPLES * 4
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#define RAOP_HEADER_SIZE 12
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#define ALAC_MAX_HEADER_SIZE 8
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#define RAOP_MAX_PACKET_SIZE RAOP_BUFFER_SIZE + RAOP_HEADER_SIZE + ALAC_MAX_HEADER_SIZE
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// session
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struct raop_session_data {
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struct raop_data *raop_list;
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struct ntp_server ntp;
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struct control_data ctrl;
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struct encrypt_data encrypt;
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struct play_state play_state;
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int data_fd;
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unsigned char buffer[RAOP_BUFFER_SIZE];
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size_t bufferSize;
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unsigned char data[RAOP_MAX_PACKET_SIZE];
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int wblk_wsize;
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int wblk_remsize;
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GMutex *data_mutex;
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GMutex *list_mutex;
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};
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/*********************************************************************/
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2011-01-28 21:17:09 +01:00
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static struct raop_session_data *raop_session = NULL;
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/**
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* The quark used for GError.domain.
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*/
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static inline GQuark
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raop_output_quark(void)
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{
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return g_quark_from_static_string("raop_output");
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}
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2011-08-30 22:36:54 +02:00
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static void
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raop_session_free(struct raop_session_data *session)
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{
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assert(session != NULL);
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assert(session->raop_list == NULL);
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ntp_server_close(&session->ntp);
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if (session->data_mutex != NULL)
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g_mutex_free(session->data_mutex);
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if (session->list_mutex != NULL)
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g_mutex_free(session->list_mutex);
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if (raop_session->data_fd >= 0)
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close(raop_session->data_fd);
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if (raop_session->ctrl.fd >= 0)
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close(raop_session->ctrl.fd);
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g_free(session);
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}
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static struct raop_session_data *
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raop_session_new(GError **error_r)
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{
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struct raop_session_data *session = g_new(struct raop_session_data, 1);
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session->raop_list = NULL;
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session->data_mutex = g_mutex_new();
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session->list_mutex = g_mutex_new();
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ntp_server_init(&session->ntp);
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session->ctrl.port = 6001;
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session->ctrl.fd = -1;
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session->play_state.playing = false;
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session->play_state.seq_num = (short) g_random_int();
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session->play_state.rtptime = g_random_int();
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session->play_state.sync_src = g_random_int();
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session->play_state.last_send.tv_sec = 0;
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session->play_state.last_send.tv_usec = 0;
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session->data_fd = -1;
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if (!RAND_bytes(session->encrypt.iv, sizeof(session->encrypt.iv)) ||
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!RAND_bytes(session->encrypt.key, sizeof(session->encrypt.key))) {
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raop_session_free(session);
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g_set_error(error_r, raop_output_quark(), 0,
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"RAND_bytes error code=%ld", ERR_get_error());
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return NULL;
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}
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memcpy(session->encrypt.nv, session->encrypt.iv, sizeof(session->encrypt.nv));
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for (unsigned i = 0; i < 16; i++) {
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printf("0x%x ", session->encrypt.key[i]);
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}
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printf("\n");
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AES_set_encrypt_key(session->encrypt.key, 128, &session->encrypt.ctx);
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memset(session->buffer, 0, RAOP_BUFFER_SIZE);
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session->bufferSize = 0;
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return session;
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}
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2011-01-28 21:17:09 +01:00
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static struct raop_data *
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2011-08-24 00:14:12 +02:00
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new_raop_data(GError **error_r)
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2011-01-28 21:17:09 +01:00
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{
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struct raop_data *ret = g_new(struct raop_data, 1);
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2011-07-20 21:05:07 +02:00
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ret->control_mutex = g_mutex_new();
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2011-01-28 21:17:09 +01:00
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ret->next = NULL;
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ret->is_master = 0;
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ret->started = 0;
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ret->paused = 0;
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2011-08-30 22:36:54 +02:00
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if (raop_session == NULL &&
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(raop_session = raop_session_new(error_r)) == NULL) {
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g_mutex_free(ret->control_mutex);
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g_free(ret);
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return NULL;
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2011-01-28 21:17:09 +01:00
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}
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return ret;
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}
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/*
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* remove one character from a string
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* return the number of deleted characters
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*/
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static int
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2011-07-25 11:17:33 +02:00
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remove_char_from_string(char *str, char c)
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2011-01-28 21:17:09 +01:00
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{
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2011-07-25 11:17:33 +02:00
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char *src, *dst;
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/* skip all characters that don't need to be copied */
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src = strchr(str, c);
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if (!src)
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return 0;
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for (dst = src; *src; src++)
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if (*src != c)
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*(dst++) = *src;
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*dst = '\0';
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return src - dst;
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2011-01-28 21:17:09 +01:00
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}
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/* bind an opened socket to specified hostname and port.
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* if hostname=NULL, use INADDR_ANY.
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* if *port=0, use dynamically assigned port
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*/
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2011-08-24 00:14:12 +02:00
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static int bind_host(int sd, char *hostname, unsigned long ulAddr,
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unsigned short *port, GError **error_r)
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2011-01-28 21:17:09 +01:00
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{
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struct sockaddr_in my_addr;
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socklen_t nlen = sizeof(struct sockaddr);
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struct hostent *h;
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memset(&my_addr, 0, sizeof(my_addr));
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/* use specified hostname */
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if (hostname) {
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/* get server IP address (no check if input is IP address or DNS name) */
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h = gethostbyname(hostname);
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if (h == NULL) {
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if (strstr(hostname, "255.255.255.255") == hostname) {
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my_addr.sin_addr.s_addr=-1;
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} else {
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if ((my_addr.sin_addr.s_addr = inet_addr(hostname)) == 0xFFFFFFFF) {
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2011-08-24 00:14:12 +02:00
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g_set_error(error_r, raop_output_quark(), 0,
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"failed to resolve host '%s'",
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hostname);
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2011-01-28 21:17:09 +01:00
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return -1;
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}
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}
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my_addr.sin_family = AF_INET;
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} else {
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my_addr.sin_family = h->h_addrtype;
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memcpy((char *) &my_addr.sin_addr.s_addr,
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h->h_addr_list[0], h->h_length);
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}
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} else {
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// if hostname=NULL, use INADDR_ANY
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if (ulAddr)
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my_addr.sin_addr.s_addr = ulAddr;
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else
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my_addr.sin_addr.s_addr = htonl(INADDR_ANY);
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my_addr.sin_family = AF_INET;
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}
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/* bind a specified port */
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my_addr.sin_port = htons(*port);
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if (bind(sd, (struct sockaddr *) &my_addr, sizeof(my_addr)) < 0) {
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2011-08-24 00:14:12 +02:00
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g_set_error(error_r, raop_output_quark(), errno,
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"failed to bind socket: %s",
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g_strerror(errno));
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2011-01-28 21:17:09 +01:00
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return -1;
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}
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if (*port == 0) {
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getsockname(sd, (struct sockaddr *) &my_addr, &nlen);
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*port = ntohs(my_addr.sin_port);
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}
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return 0;
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}
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/*
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* open udp port
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*/
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2011-08-24 00:14:12 +02:00
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static int
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open_udp_socket(char *hostname, unsigned short *port,
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GError **error_r)
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2011-01-28 21:17:09 +01:00
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{
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int sd;
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int size = 30000;
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/* socket creation */
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sd = socket(PF_INET, SOCK_DGRAM, 0);
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if (sd < 0) {
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2011-08-24 00:14:12 +02:00
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g_set_error(error_r, raop_output_quark(), errno,
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"failed to create UDP socket: %s",
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g_strerror(errno));
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2011-01-28 21:17:09 +01:00
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return -1;
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}
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if (setsockopt(sd, SOL_SOCKET, SO_SNDBUF, (void *) &size, sizeof(size)) < 0) {
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2011-08-24 00:14:12 +02:00
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g_set_error(error_r, raop_output_quark(), errno,
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"failed to set UDP buffer size: %s",
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g_strerror(errno));
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2011-01-28 21:17:09 +01:00
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return -1;
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}
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2011-08-24 00:14:12 +02:00
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if (bind_host(sd, hostname, 0, port, error_r)) {
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2011-01-28 21:17:09 +01:00
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close(sd);
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return -1;
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}
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return sd;
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}
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static bool
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2011-08-24 00:14:12 +02:00
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get_sockaddr_by_host(const char *host, short destport,
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struct sockaddr_in *addr,
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GError **error_r)
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2011-01-28 21:17:09 +01:00
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{
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struct hostent *h;
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h = gethostbyname(host);
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if (h) {
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addr->sin_family = h->h_addrtype;
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memcpy((char *) &addr->sin_addr.s_addr, h->h_addr_list[0], h->h_length);
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|
|
} else {
|
|
|
|
addr->sin_family = AF_INET;
|
|
|
|
if ((addr->sin_addr.s_addr=inet_addr(host))==0xFFFFFFFF) {
|
2011-08-24 02:02:29 +02:00
|
|
|
g_set_error(error_r, rtsp_client_quark(), 0,
|
2011-08-24 00:14:12 +02:00
|
|
|
"failed to resolve host '%s'", host);
|
2011-01-28 21:17:09 +01:00
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
addr->sin_port = htons(destport);
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
2011-08-24 02:18:51 +02:00
|
|
|
/*
|
|
|
|
* Calculate the current NTP time, store it in the buffer.
|
|
|
|
*/
|
|
|
|
static void
|
2011-08-24 02:17:12 +02:00
|
|
|
fill_int(unsigned char *buffer, uint32_t value)
|
2011-08-24 02:18:51 +02:00
|
|
|
{
|
2011-08-24 02:17:12 +02:00
|
|
|
uint32_t be = GINT32_TO_BE(value);
|
|
|
|
memcpy(buffer, &be, sizeof(be));
|
2011-08-24 02:18:51 +02:00
|
|
|
}
|
|
|
|
|
2011-01-28 21:17:09 +01:00
|
|
|
/*
|
|
|
|
* Store time in the NTP format in the buffer
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
fill_time_buffer_with_time(unsigned char *buffer, struct timeval *tout)
|
|
|
|
{
|
|
|
|
unsigned long secs_to_baseline = 964697997;
|
|
|
|
double fraction;
|
|
|
|
unsigned long long_fraction;
|
|
|
|
unsigned long secs;
|
|
|
|
|
|
|
|
fraction = ((double) tout->tv_usec) / 1000000.0;
|
|
|
|
long_fraction = (unsigned long) (fraction * 256.0 * 256.0 * 256.0 * 256.0);
|
|
|
|
secs = secs_to_baseline + tout->tv_sec;
|
2011-08-24 02:18:51 +02:00
|
|
|
fill_int(buffer, secs);
|
|
|
|
fill_int(buffer + 4, long_fraction);
|
2011-01-28 21:17:09 +01:00
|
|
|
}
|
|
|
|
|
2011-08-24 01:06:31 +02:00
|
|
|
static void
|
2011-01-28 21:17:09 +01:00
|
|
|
get_time_for_rtp(struct play_state *state, struct timeval *tout)
|
|
|
|
{
|
|
|
|
unsigned long rtp_diff = state->rtptime - state->start_rtptime;
|
|
|
|
unsigned long add_secs = rtp_diff / 44100;
|
|
|
|
unsigned long add_usecs = (((rtp_diff % 44100) * 10000) / 441) % 1000000;
|
|
|
|
tout->tv_sec = state->start_time.tv_sec + add_secs;
|
|
|
|
tout->tv_usec = state->start_time.tv_usec + add_usecs;
|
|
|
|
if (tout->tv_usec >= 1000000) {
|
|
|
|
tout->tv_sec++;
|
|
|
|
tout->tv_usec = tout->tv_usec % 1000000;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Send a control command
|
|
|
|
*/
|
2011-08-24 00:05:47 +02:00
|
|
|
static bool
|
2011-08-24 00:05:04 +02:00
|
|
|
send_control_command(struct control_data *ctrl, struct raop_data *rd,
|
|
|
|
struct play_state *state,
|
|
|
|
GError **error_r)
|
2011-01-28 21:17:09 +01:00
|
|
|
{
|
|
|
|
unsigned char buf[20];
|
|
|
|
int diff;
|
|
|
|
int num_bytes;
|
|
|
|
struct timeval ctrl_time;
|
|
|
|
|
|
|
|
diff = 88200;
|
|
|
|
if (rd->started) {
|
|
|
|
buf[0] = 0x80;
|
|
|
|
diff += NUMSAMPLES;
|
|
|
|
} else {
|
|
|
|
buf[0] = 0x90;
|
|
|
|
state->playing = true;
|
|
|
|
state->start_rtptime = state->rtptime;
|
|
|
|
}
|
|
|
|
buf[1] = 0xd4;
|
|
|
|
buf[2] = 0x00;
|
|
|
|
buf[3] = 0x07;
|
|
|
|
fill_int(buf + 4, state->rtptime - diff);
|
|
|
|
get_time_for_rtp(state, &ctrl_time);
|
|
|
|
fill_time_buffer_with_time(buf + 8, &ctrl_time);
|
|
|
|
fill_int(buf + 16, state->rtptime);
|
|
|
|
|
2011-08-31 08:29:46 +02:00
|
|
|
num_bytes = sendto(ctrl->fd, (const void *)buf, sizeof(buf), 0,
|
|
|
|
(struct sockaddr *)&rd->ctrl_addr,
|
|
|
|
sizeof(rd->ctrl_addr));
|
2011-08-24 00:05:04 +02:00
|
|
|
if (num_bytes < 0) {
|
|
|
|
g_set_error(error_r, raop_output_quark(), errno,
|
|
|
|
"Unable to send control command: %s",
|
|
|
|
g_strerror(errno));
|
|
|
|
return false;
|
|
|
|
}
|
2011-01-28 21:17:09 +01:00
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int rsa_encrypt(const unsigned char *text, int len, unsigned char *res)
|
|
|
|
{
|
|
|
|
RSA *rsa;
|
|
|
|
gsize usize;
|
|
|
|
unsigned char *modulus;
|
|
|
|
unsigned char *exponent;
|
|
|
|
int size;
|
|
|
|
|
|
|
|
char n[] =
|
|
|
|
"59dE8qLieItsH1WgjrcFRKj6eUWqi+bGLOX1HL3U3GhC/j0Qg90u3sG/1CUtwC"
|
|
|
|
"5vOYvfDmFI6oSFXi5ELabWJmT2dKHzBJKa3k9ok+8t9ucRqMd6DZHJ2YCCLlDR"
|
|
|
|
"KSKv6kDqnw4UwPdpOMXziC/AMj3Z/lUVX1G7WSHCAWKf1zNS1eLvqr+boEjXuB"
|
|
|
|
"OitnZ/bDzPHrTOZz0Dew0uowxf/+sG+NCK3eQJVxqcaJ/vEHKIVd2M+5qL71yJ"
|
|
|
|
"Q+87X6oV3eaYvt3zWZYD6z5vYTcrtij2VZ9Zmni/UAaHqn9JdsBWLUEpVviYnh"
|
|
|
|
"imNVvYFZeCXg/IdTQ+x4IRdiXNv5hEew==";
|
|
|
|
char e[] = "AQAB";
|
|
|
|
|
|
|
|
rsa = RSA_new();
|
|
|
|
|
|
|
|
modulus = g_base64_decode(n, &usize);
|
|
|
|
rsa->n = BN_bin2bn(modulus, usize, NULL);
|
|
|
|
exponent = g_base64_decode(e, &usize);
|
|
|
|
rsa->e = BN_bin2bn(exponent, usize, NULL);
|
|
|
|
g_free(modulus);
|
|
|
|
g_free(exponent);
|
|
|
|
size = RSA_public_encrypt(len, text, res, rsa, RSA_PKCS1_OAEP_PADDING);
|
|
|
|
|
|
|
|
RSA_free(rsa);
|
|
|
|
return size;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
raop_encrypt(struct encrypt_data *encryp, unsigned char *data, int size)
|
|
|
|
{
|
|
|
|
// any bytes that fall beyond the last 16 byte page should be sent
|
|
|
|
// in the clear
|
|
|
|
int alt_size = size - (size % 16);
|
|
|
|
|
|
|
|
memcpy(encryp->nv, encryp->iv, 16);
|
|
|
|
|
|
|
|
AES_cbc_encrypt(data, data, alt_size, &encryp->ctx, encryp->nv, 1);
|
|
|
|
|
|
|
|
return size;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* write bits filed data, *bpos=0 for msb, *bpos=7 for lsb
|
|
|
|
d=data, blen=length of bits field
|
|
|
|
*/
|
|
|
|
static inline void
|
|
|
|
bits_write(unsigned char **p, unsigned char d, int blen, int *bpos)
|
|
|
|
{
|
|
|
|
int lb, rb, bd;
|
|
|
|
lb =7 - *bpos;
|
|
|
|
rb = lb - blen + 1;
|
|
|
|
if (rb >= 0) {
|
|
|
|
bd = d << rb;
|
|
|
|
if (*bpos)
|
|
|
|
**p |= bd;
|
|
|
|
else
|
|
|
|
**p = bd;
|
|
|
|
*bpos += blen;
|
|
|
|
} else {
|
|
|
|
bd = d >> -rb;
|
|
|
|
**p |= bd;
|
|
|
|
*p += 1;
|
|
|
|
**p = d << (8 + rb);
|
|
|
|
*bpos = -rb;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static bool
|
|
|
|
wrap_pcm(unsigned char *buffer, int bsize, int *size, unsigned char *inData, int inSize)
|
|
|
|
{
|
|
|
|
unsigned char one[4];
|
|
|
|
int count = 0;
|
|
|
|
int bpos = 0;
|
|
|
|
unsigned char *bp = buffer;
|
|
|
|
int i, nodata = 0;
|
|
|
|
bits_write(&bp, 1, 3, &bpos); // channel=1, stereo
|
|
|
|
bits_write(&bp, 0, 4, &bpos); // unknown
|
|
|
|
bits_write(&bp, 0, 8, &bpos); // unknown
|
|
|
|
bits_write(&bp, 0, 4, &bpos); // unknown
|
|
|
|
if (bsize != 4096 && false)
|
|
|
|
bits_write(&bp, 1, 1, &bpos); // hassize
|
|
|
|
else
|
|
|
|
bits_write(&bp, 0, 1, &bpos); // hassize
|
|
|
|
bits_write(&bp, 0, 2, &bpos); // unused
|
|
|
|
bits_write(&bp, 1, 1, &bpos); // is-not-compressed
|
|
|
|
if (bsize != 4096 && false) {
|
|
|
|
// size of data, integer, big endian
|
|
|
|
bits_write(&bp, (bsize >> 24) & 0xff, 8, &bpos);
|
|
|
|
bits_write(&bp, (bsize >> 16) & 0xff, 8, &bpos);
|
|
|
|
bits_write(&bp, (bsize >> 8) & 0xff, 8, &bpos);
|
|
|
|
bits_write(&bp, bsize&0xff, 8, &bpos);
|
|
|
|
}
|
|
|
|
while (1) {
|
|
|
|
if (inSize <= count * 4) nodata = 1;
|
|
|
|
if (nodata) break;
|
|
|
|
one[0] = inData[count * 4];
|
|
|
|
one[1] = inData[count * 4 + 1];
|
|
|
|
one[2] = inData[count * 4 + 2];
|
|
|
|
one[3] = inData[count * 4 + 3];
|
|
|
|
|
|
|
|
#if BYTE_ORDER == BIG_ENDIAN
|
|
|
|
bits_write(&bp, one[0], 8, &bpos);
|
|
|
|
bits_write(&bp, one[1], 8, &bpos);
|
|
|
|
bits_write(&bp, one[2], 8, &bpos);
|
|
|
|
bits_write(&bp, one[3], 8, &bpos);
|
|
|
|
#else
|
|
|
|
bits_write(&bp, one[1], 8, &bpos);
|
|
|
|
bits_write(&bp, one[0], 8, &bpos);
|
|
|
|
bits_write(&bp, one[3], 8, &bpos);
|
|
|
|
bits_write(&bp, one[2], 8, &bpos);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
if (++count == bsize) break;
|
|
|
|
}
|
|
|
|
if (!count) return false; // when no data at all, it should stop playing
|
|
|
|
/* when readable size is less than bsize, fill 0 at the bottom */
|
|
|
|
for(i = 0; i < (bsize - count) * 4; i++) {
|
|
|
|
bits_write(&bp, 0, 8, &bpos);
|
|
|
|
}
|
|
|
|
*size = (int)(bp - buffer);
|
|
|
|
if (bpos) *size += 1;
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
static bool
|
2011-08-24 00:14:12 +02:00
|
|
|
raopcl_connect(struct raop_data *rd, GError **error_r)
|
2011-01-28 21:17:09 +01:00
|
|
|
{
|
|
|
|
unsigned char buf[4 + 8 + 16];
|
|
|
|
char sid[16];
|
|
|
|
char sci[24];
|
|
|
|
char act_r[17];
|
|
|
|
char *sac=NULL, *key = NULL, *iv = NULL;
|
|
|
|
char sdp[1024];
|
|
|
|
int rval = false;
|
|
|
|
unsigned char rsakey[512];
|
|
|
|
struct timeval current_time;
|
|
|
|
unsigned int sessionNum;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
|
|
gettimeofday(¤t_time,NULL);
|
|
|
|
sessionNum = current_time.tv_sec + 2082844804;
|
|
|
|
|
|
|
|
RAND_bytes(buf, sizeof(buf));
|
|
|
|
sprintf(act_r, "%u", (unsigned int) g_random_int());
|
|
|
|
sprintf(sid, "%u", sessionNum);
|
|
|
|
sprintf(sci, "%08x%08x", *((int *)(buf + 4)), *((int *)(buf + 8)));
|
|
|
|
sac = g_base64_encode(buf + 12, 16);
|
2011-08-24 00:17:12 +02:00
|
|
|
rd->rtspcl = rtspcl_open();
|
2011-08-24 01:06:31 +02:00
|
|
|
rtspcl_set_useragent(rd->rtspcl, "iTunes/8.1.1 (Macintosh; U; PPC Mac OS X 10.4)");
|
|
|
|
rtspcl_add_exthds(rd->rtspcl, "Client-Instance", sci);
|
|
|
|
rtspcl_add_exthds(rd->rtspcl, "DACP-ID", sci);
|
|
|
|
rtspcl_add_exthds(rd->rtspcl, "Active-Remote", act_r);
|
2011-08-24 00:14:12 +02:00
|
|
|
if (!rtspcl_connect(rd->rtspcl, rd->addr, rd->rtsp_port, sid, error_r))
|
|
|
|
goto erexit;
|
2011-01-28 21:17:09 +01:00
|
|
|
|
|
|
|
i = rsa_encrypt(raop_session->encrypt.key, 16, rsakey);
|
|
|
|
key = g_base64_encode(rsakey, i);
|
|
|
|
remove_char_from_string(key, '=');
|
|
|
|
iv = g_base64_encode(raop_session->encrypt.iv, 16);
|
|
|
|
remove_char_from_string(iv, '=');
|
|
|
|
sprintf(sdp,
|
|
|
|
"v=0\r\n"
|
|
|
|
"o=iTunes %s 0 IN IP4 %s\r\n"
|
|
|
|
"s=iTunes\r\n"
|
|
|
|
"c=IN IP4 %s\r\n"
|
|
|
|
"t=0 0\r\n"
|
|
|
|
"m=audio 0 RTP/AVP 96\r\n"
|
|
|
|
"a=rtpmap:96 AppleLossless\r\n"
|
|
|
|
"a=fmtp:96 %d 0 16 40 10 14 2 255 0 0 44100\r\n"
|
|
|
|
"a=rsaaeskey:%s\r\n"
|
|
|
|
"a=aesiv:%s\r\n",
|
|
|
|
sid, rtspcl_local_ip(rd->rtspcl), rd->addr, NUMSAMPLES, key, iv);
|
|
|
|
remove_char_from_string(sac, '=');
|
2011-08-24 01:06:31 +02:00
|
|
|
// rtspcl_add_exthds(rd->rtspcl, "Apple-Challenge", sac);
|
2011-08-24 00:14:12 +02:00
|
|
|
if (!rtspcl_announce_sdp(rd->rtspcl, sdp, error_r))
|
|
|
|
goto erexit;
|
2011-01-28 21:17:09 +01:00
|
|
|
// if (!rtspcl_mark_del_exthds(rd->rtspcl, "Apple-Challenge")) goto erexit;
|
2011-08-31 20:19:36 +02:00
|
|
|
if (!rtspcl_setup(rd->rtspcl, NULL,
|
2011-08-24 02:02:29 +02:00
|
|
|
raop_session->ctrl.port, raop_session->ntp.port,
|
|
|
|
error_r))
|
2011-08-24 00:14:12 +02:00
|
|
|
goto erexit;
|
2011-01-28 21:17:09 +01:00
|
|
|
|
2011-08-24 00:14:12 +02:00
|
|
|
if (!get_sockaddr_by_host(rd->addr, rd->rtspcl->control_port,
|
|
|
|
&rd->ctrl_addr, error_r))
|
|
|
|
goto erexit;
|
|
|
|
|
|
|
|
if (!get_sockaddr_by_host(rd->addr, rd->rtspcl->server_port,
|
|
|
|
&rd->data_addr, error_r))
|
|
|
|
goto erexit;
|
2011-01-28 21:17:09 +01:00
|
|
|
|
2011-08-24 02:02:29 +02:00
|
|
|
if (!rtspcl_record(rd->rtspcl,
|
|
|
|
raop_session->play_state.seq_num,
|
|
|
|
raop_session->play_state.rtptime,
|
|
|
|
error_r))
|
2011-08-24 00:14:12 +02:00
|
|
|
goto erexit;
|
2011-01-28 21:17:09 +01:00
|
|
|
|
|
|
|
rval = true;
|
|
|
|
|
|
|
|
erexit:
|
2011-08-24 00:17:12 +02:00
|
|
|
g_free(sac);
|
|
|
|
g_free(key);
|
|
|
|
g_free(iv);
|
2011-01-28 21:17:09 +01:00
|
|
|
return rval;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
difference (struct timeval *t1, struct timeval *t2)
|
|
|
|
{
|
|
|
|
int ret = 150000000;
|
|
|
|
if (t1->tv_sec - t2->tv_sec < 150) {
|
|
|
|
ret = (t1->tv_sec - t2->tv_sec) * 1000000;
|
|
|
|
ret += t1->tv_usec - t2->tv_usec;
|
|
|
|
}
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* With airtunes version 2, we don't get responses back when we send audio
|
|
|
|
* data. The only requests we get from the airtunes device are timing
|
|
|
|
* requests.
|
|
|
|
*/
|
|
|
|
static bool
|
2011-08-24 00:14:12 +02:00
|
|
|
send_audio_data(int fd, GError **error_r)
|
2011-01-28 21:17:09 +01:00
|
|
|
{
|
|
|
|
int i = 0;
|
2011-08-28 17:29:09 +02:00
|
|
|
struct timeval current_time, rtp_time;
|
2011-01-28 21:17:09 +01:00
|
|
|
struct raop_data *rd = raop_session->raop_list;
|
|
|
|
|
|
|
|
get_time_for_rtp(&raop_session->play_state, &rtp_time);
|
|
|
|
gettimeofday(¤t_time, NULL);
|
2011-08-31 07:46:56 +02:00
|
|
|
int diff = difference(&rtp_time, ¤t_time);
|
|
|
|
if (diff > 0)
|
|
|
|
g_usleep(diff);
|
2011-01-28 21:17:09 +01:00
|
|
|
|
|
|
|
gettimeofday(&raop_session->play_state.last_send, NULL);
|
|
|
|
while (rd) {
|
|
|
|
if (rd->started) {
|
|
|
|
raop_session->data[1] = 0x60;
|
|
|
|
} else {
|
|
|
|
rd->started = true;
|
|
|
|
raop_session->data[1] = 0xe0;
|
|
|
|
}
|
2011-08-31 08:29:46 +02:00
|
|
|
i = sendto(fd, (const void *)(raop_session->data + raop_session->wblk_wsize),
|
2011-01-28 21:17:09 +01:00
|
|
|
raop_session->wblk_remsize, 0, (struct sockaddr *) &rd->data_addr,
|
|
|
|
sizeof(rd->data_addr));
|
|
|
|
if (i < 0) {
|
2011-08-24 00:14:12 +02:00
|
|
|
g_set_error(error_r, raop_output_quark(), errno,
|
|
|
|
"write error: %s",
|
|
|
|
g_strerror(errno));
|
2011-01-28 21:17:09 +01:00
|
|
|
return false;
|
|
|
|
}
|
|
|
|
if (i == 0) {
|
2011-08-24 00:14:12 +02:00
|
|
|
g_set_error_literal(error_r, raop_output_quark(), 0,
|
|
|
|
"disconnected on the other end");
|
2011-01-28 21:17:09 +01:00
|
|
|
return false;
|
|
|
|
}
|
|
|
|
rd = rd->next;
|
|
|
|
}
|
|
|
|
raop_session->wblk_wsize += i;
|
|
|
|
raop_session->wblk_remsize -= i;
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void *
|
|
|
|
raop_output_init(G_GNUC_UNUSED const struct audio_format *audio_format,
|
|
|
|
G_GNUC_UNUSED const struct config_param *param,
|
2011-08-24 00:14:12 +02:00
|
|
|
GError **error_r)
|
2011-01-28 21:17:09 +01:00
|
|
|
{
|
2011-08-24 01:46:22 +02:00
|
|
|
const char *host = config_get_block_string(param, "host", NULL);
|
|
|
|
if (host == NULL) {
|
|
|
|
g_set_error_literal(error_r, raop_output_quark(), 0,
|
|
|
|
"missing option 'host'");
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2011-01-28 21:17:09 +01:00
|
|
|
struct raop_data *rd;
|
|
|
|
|
2011-08-24 00:14:12 +02:00
|
|
|
rd = new_raop_data(error_r);
|
|
|
|
if (rd == NULL)
|
|
|
|
return NULL;
|
|
|
|
|
2011-08-24 01:46:22 +02:00
|
|
|
rd->addr = host;
|
2011-01-28 21:17:09 +01:00
|
|
|
rd->rtsp_port = config_get_block_unsigned(param, "port", 5000);
|
|
|
|
rd->volume = config_get_block_unsigned(param, "volume", 75);
|
|
|
|
return rd;
|
|
|
|
}
|
|
|
|
|
|
|
|
static bool
|
2011-08-24 00:14:12 +02:00
|
|
|
raop_set_volume_local(struct raop_data *rd, int volume, GError **error_r)
|
2011-01-28 21:17:09 +01:00
|
|
|
{
|
|
|
|
char vol_str[128];
|
|
|
|
sprintf(vol_str, "volume: %d.000000\r\n", volume);
|
2011-08-24 00:14:12 +02:00
|
|
|
return rtspcl_set_parameter(rd->rtspcl, vol_str, error_r);
|
2011-01-28 21:17:09 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
raop_output_finish(void *data)
|
|
|
|
{
|
|
|
|
struct raop_data *rd = data;
|
2011-08-30 22:19:52 +02:00
|
|
|
|
|
|
|
if (rd->rtspcl)
|
|
|
|
rtspcl_close(rd->rtspcl);
|
|
|
|
|
2011-07-20 21:05:07 +02:00
|
|
|
g_mutex_free(rd->control_mutex);
|
2011-08-30 22:02:55 +02:00
|
|
|
g_free(rd);
|
2011-01-28 21:17:09 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
#define RAOP_VOLUME_MIN -30
|
|
|
|
#define RAOP_VOLUME_MAX 0
|
|
|
|
|
|
|
|
int
|
|
|
|
raop_get_volume(struct raop_data *rd)
|
|
|
|
{
|
|
|
|
return rd->volume;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool
|
2011-08-24 00:14:12 +02:00
|
|
|
raop_set_volume(struct raop_data *rd, unsigned volume, GError **error_r)
|
2011-01-28 21:17:09 +01:00
|
|
|
{
|
|
|
|
int raop_volume;
|
|
|
|
bool rval;
|
|
|
|
|
|
|
|
//set parameter volume
|
|
|
|
if (volume == 0) {
|
|
|
|
raop_volume = -144;
|
|
|
|
} else {
|
|
|
|
raop_volume = RAOP_VOLUME_MIN +
|
|
|
|
(RAOP_VOLUME_MAX - RAOP_VOLUME_MIN) * volume / 100;
|
|
|
|
}
|
2011-07-20 21:05:07 +02:00
|
|
|
g_mutex_lock(rd->control_mutex);
|
2011-08-24 00:14:12 +02:00
|
|
|
rval = raop_set_volume_local(rd, raop_volume, error_r);
|
2011-01-28 21:17:09 +01:00
|
|
|
if (rval) rd->volume = volume;
|
2011-07-20 21:05:07 +02:00
|
|
|
g_mutex_unlock(rd->control_mutex);
|
2011-01-28 21:17:09 +01:00
|
|
|
|
|
|
|
return rval;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
raop_output_cancel(void *data)
|
|
|
|
{
|
|
|
|
//flush
|
|
|
|
struct key_data kd;
|
|
|
|
struct raop_data *rd = (struct raop_data *) data;
|
|
|
|
int flush_diff = 1;
|
|
|
|
|
|
|
|
rd->started = 0;
|
|
|
|
if (rd->is_master) {
|
|
|
|
raop_session->play_state.playing = false;
|
|
|
|
}
|
|
|
|
if (rd->paused) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2011-07-20 21:05:07 +02:00
|
|
|
g_mutex_lock(rd->control_mutex);
|
2011-08-24 00:34:59 +02:00
|
|
|
static char rtp_key[] = "RTP-Info";
|
|
|
|
kd.key = rtp_key;
|
|
|
|
char buf[128];
|
2011-08-24 00:24:14 +02:00
|
|
|
sprintf(buf, "seq=%d; rtptime=%d", raop_session->play_state.seq_num + flush_diff, raop_session->play_state.rtptime + NUMSAMPLES * flush_diff);
|
|
|
|
kd.data = buf;
|
2011-01-28 21:17:09 +01:00
|
|
|
kd.next = NULL;
|
2011-08-24 00:14:12 +02:00
|
|
|
exec_request(rd->rtspcl, "FLUSH", NULL, NULL, 1,
|
2011-08-31 08:16:55 +02:00
|
|
|
&kd, NULL, NULL);
|
2011-07-20 21:05:07 +02:00
|
|
|
g_mutex_unlock(rd->control_mutex);
|
2011-01-28 21:17:09 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
static bool
|
|
|
|
raop_output_pause(void *data)
|
|
|
|
{
|
|
|
|
struct raop_data *rd = (struct raop_data *) data;
|
|
|
|
|
|
|
|
rd->paused = true;
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
2011-08-30 21:56:57 +02:00
|
|
|
/**
|
|
|
|
* Remove the output from the session's list. Caller must not lock
|
|
|
|
* the list_mutex.
|
|
|
|
*/
|
2011-01-28 21:17:09 +01:00
|
|
|
static void
|
2011-08-30 21:56:57 +02:00
|
|
|
raop_output_remove(struct raop_data *rd)
|
2011-01-28 21:17:09 +01:00
|
|
|
{
|
|
|
|
struct raop_data *iter = raop_session->raop_list;
|
|
|
|
struct raop_data *prev = NULL;
|
|
|
|
|
2011-07-20 21:05:07 +02:00
|
|
|
g_mutex_lock(raop_session->list_mutex);
|
2011-01-28 21:17:09 +01:00
|
|
|
while (iter) {
|
|
|
|
if (iter == rd) {
|
|
|
|
if (prev != NULL) {
|
|
|
|
prev->next = rd->next;
|
|
|
|
} else {
|
|
|
|
raop_session->raop_list = rd->next;
|
|
|
|
}
|
2011-08-30 22:36:54 +02:00
|
|
|
if (rd->is_master && raop_session->raop_list != NULL) {
|
2011-01-28 21:17:09 +01:00
|
|
|
raop_session->raop_list->is_master = true;
|
|
|
|
}
|
|
|
|
rd->next = NULL;
|
|
|
|
rd->is_master = false;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
prev = iter;
|
|
|
|
iter = iter->next;
|
|
|
|
}
|
2011-07-20 21:05:07 +02:00
|
|
|
g_mutex_unlock(raop_session->list_mutex);
|
2011-08-30 22:36:54 +02:00
|
|
|
|
|
|
|
if (raop_session->raop_list == NULL) {
|
|
|
|
raop_session_free(raop_session);
|
|
|
|
raop_session = NULL;
|
|
|
|
}
|
2011-08-30 21:56:57 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
raop_output_close(void *data)
|
|
|
|
{
|
|
|
|
//teardown
|
|
|
|
struct raop_data *rd = data;
|
|
|
|
|
|
|
|
raop_output_remove(rd);
|
2011-01-28 21:17:09 +01:00
|
|
|
|
2011-07-20 21:05:07 +02:00
|
|
|
g_mutex_lock(rd->control_mutex);
|
2011-08-24 00:14:12 +02:00
|
|
|
exec_request(rd->rtspcl, "TEARDOWN", NULL, NULL, 0,
|
2011-08-31 08:16:55 +02:00
|
|
|
NULL, NULL, NULL);
|
2011-07-20 21:05:07 +02:00
|
|
|
g_mutex_unlock(rd->control_mutex);
|
2011-01-28 21:17:09 +01:00
|
|
|
|
|
|
|
rd->started = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static bool
|
|
|
|
raop_output_open(void *data, struct audio_format *audio_format, GError **error_r)
|
|
|
|
{
|
|
|
|
//setup, etc.
|
|
|
|
struct raop_data *rd = data;
|
|
|
|
|
2011-07-20 21:05:07 +02:00
|
|
|
g_mutex_lock(raop_session->list_mutex);
|
2011-01-28 21:17:09 +01:00
|
|
|
if (raop_session->raop_list == NULL) {
|
|
|
|
// first raop, need to initialize session data
|
|
|
|
unsigned short myport = 0;
|
|
|
|
raop_session->raop_list = rd;
|
|
|
|
rd->is_master = true;
|
|
|
|
|
2011-08-24 00:14:12 +02:00
|
|
|
raop_session->data_fd = open_udp_socket(NULL, &myport,
|
|
|
|
error_r);
|
|
|
|
if (raop_session->data_fd < 0)
|
|
|
|
return false;
|
|
|
|
|
2011-08-30 07:39:05 +02:00
|
|
|
if (!ntp_server_open(&raop_session->ntp, error_r))
|
2011-08-24 01:08:47 +02:00
|
|
|
return false;
|
|
|
|
|
2011-08-24 00:14:12 +02:00
|
|
|
raop_session->ctrl.fd =
|
|
|
|
open_udp_socket(NULL, &raop_session->ctrl.port,
|
|
|
|
error_r);
|
|
|
|
if (raop_session->ctrl.fd < 0) {
|
2011-08-28 17:29:09 +02:00
|
|
|
ntp_server_close(&raop_session->ntp);
|
2011-01-28 21:17:09 +01:00
|
|
|
raop_session->ctrl.fd = -1;
|
2011-07-20 21:05:07 +02:00
|
|
|
g_mutex_unlock(raop_session->list_mutex);
|
2011-01-28 21:17:09 +01:00
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
2011-07-20 21:05:07 +02:00
|
|
|
g_mutex_unlock(raop_session->list_mutex);
|
2011-01-28 21:17:09 +01:00
|
|
|
|
|
|
|
audio_format->format = SAMPLE_FORMAT_S16;
|
2011-08-30 22:00:19 +02:00
|
|
|
if (!raopcl_connect(rd, error_r)) {
|
|
|
|
raop_output_remove(rd);
|
2011-01-28 21:17:09 +01:00
|
|
|
return false;
|
2011-08-30 22:00:19 +02:00
|
|
|
}
|
2011-08-24 00:14:12 +02:00
|
|
|
|
2011-08-30 22:00:19 +02:00
|
|
|
if (!raop_set_volume(rd, rd->volume, error_r)) {
|
|
|
|
raop_output_remove(rd);
|
2011-01-28 21:17:09 +01:00
|
|
|
return false;
|
2011-08-30 22:00:19 +02:00
|
|
|
}
|
2011-01-28 21:17:09 +01:00
|
|
|
|
2011-07-20 21:05:07 +02:00
|
|
|
g_mutex_lock(raop_session->list_mutex);
|
2011-01-28 21:17:09 +01:00
|
|
|
if (!rd->is_master) {
|
|
|
|
rd->next = raop_session->raop_list;
|
|
|
|
raop_session->raop_list = rd;
|
|
|
|
}
|
2011-07-20 21:05:07 +02:00
|
|
|
g_mutex_unlock(raop_session->list_mutex);
|
2011-01-28 21:17:09 +01:00
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
static size_t
|
|
|
|
raop_output_play(void *data, const void *chunk, size_t size,
|
|
|
|
GError **error_r)
|
|
|
|
{
|
|
|
|
//raopcl_send_sample
|
|
|
|
struct raop_data *rd = data;
|
|
|
|
size_t rval = 0, orig_size = size;
|
|
|
|
|
|
|
|
rd->paused = false;
|
|
|
|
if (!rd->is_master) {
|
|
|
|
// only process data for the master raop
|
|
|
|
return size;
|
|
|
|
}
|
|
|
|
|
2011-07-20 21:05:07 +02:00
|
|
|
g_mutex_lock(raop_session->data_mutex);
|
2011-01-28 21:17:09 +01:00
|
|
|
|
|
|
|
if (raop_session->play_state.rtptime <= NUMSAMPLES) {
|
|
|
|
// looped over, need new reference point to calculate correct times
|
|
|
|
raop_session->play_state.playing = false;
|
|
|
|
}
|
2011-08-24 01:27:14 +02:00
|
|
|
|
2011-01-28 21:17:09 +01:00
|
|
|
while (raop_session->bufferSize + size >= RAOP_BUFFER_SIZE) {
|
|
|
|
// ntp header
|
|
|
|
unsigned char header[] = {
|
|
|
|
0x80, 0x60, 0x00, 0x00,
|
|
|
|
// rtptime
|
|
|
|
0x00, 0x00, 0x00, 0x00,
|
|
|
|
// device
|
|
|
|
0x7e, 0xad, 0xd2, 0xd3,
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
int count = 0;
|
|
|
|
int copyBytes = RAOP_BUFFER_SIZE - raop_session->bufferSize;
|
|
|
|
|
|
|
|
if (!raop_session->play_state.playing ||
|
|
|
|
raop_session->play_state.seq_num % (44100 / NUMSAMPLES + 1) == 0) {
|
|
|
|
struct raop_data *iter;
|
2011-07-20 21:05:07 +02:00
|
|
|
g_mutex_lock(raop_session->list_mutex);
|
2011-01-28 21:17:09 +01:00
|
|
|
if (!raop_session->play_state.playing) {
|
|
|
|
gettimeofday(&raop_session->play_state.start_time,NULL);
|
|
|
|
}
|
|
|
|
iter = raop_session->raop_list;
|
|
|
|
while (iter) {
|
2011-08-24 00:05:04 +02:00
|
|
|
if (!send_control_command(&raop_session->ctrl, iter,
|
|
|
|
&raop_session->play_state,
|
|
|
|
error_r))
|
2011-01-28 21:17:09 +01:00
|
|
|
goto erexit;
|
2011-08-24 00:05:04 +02:00
|
|
|
|
2011-01-28 21:17:09 +01:00
|
|
|
iter = iter->next;
|
|
|
|
}
|
2011-07-20 21:05:07 +02:00
|
|
|
g_mutex_unlock(raop_session->list_mutex);
|
2011-01-28 21:17:09 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
fill_int(header + 8, raop_session->play_state.sync_src);
|
|
|
|
|
|
|
|
memcpy(raop_session->buffer + raop_session->bufferSize, chunk, copyBytes);
|
|
|
|
raop_session->bufferSize += copyBytes;
|
|
|
|
chunk = ((const char *)chunk) + copyBytes;
|
|
|
|
size -= copyBytes;
|
|
|
|
|
|
|
|
if (!wrap_pcm(raop_session->data + RAOP_HEADER_SIZE, NUMSAMPLES, &count, raop_session->buffer, RAOP_BUFFER_SIZE)) {
|
|
|
|
g_warning("unable to encode %d bytes properly\n", RAOP_BUFFER_SIZE);
|
|
|
|
}
|
|
|
|
|
|
|
|
memcpy(raop_session->data, header, RAOP_HEADER_SIZE);
|
|
|
|
raop_session->data[2] = raop_session->play_state.seq_num >> 8;
|
|
|
|
raop_session->data[3] = raop_session->play_state.seq_num & 0xff;
|
|
|
|
raop_session->play_state.seq_num ++;
|
|
|
|
|
|
|
|
fill_int(raop_session->data + 4, raop_session->play_state.rtptime);
|
|
|
|
raop_session->play_state.rtptime += NUMSAMPLES;
|
|
|
|
|
|
|
|
raop_encrypt(&raop_session->encrypt, raop_session->data + RAOP_HEADER_SIZE, count);
|
|
|
|
raop_session->wblk_remsize = count + RAOP_HEADER_SIZE;
|
|
|
|
raop_session->wblk_wsize = 0;
|
|
|
|
|
2011-08-24 00:14:12 +02:00
|
|
|
if (!send_audio_data(raop_session->data_fd, error_r))
|
2011-01-28 21:17:09 +01:00
|
|
|
goto erexit;
|
|
|
|
|
|
|
|
raop_session->bufferSize = 0;
|
|
|
|
}
|
|
|
|
if (size > 0) {
|
|
|
|
memcpy(raop_session->buffer + raop_session->bufferSize, chunk, size);
|
|
|
|
raop_session->bufferSize += size;
|
|
|
|
}
|
|
|
|
rval = orig_size;
|
|
|
|
erexit:
|
2011-07-20 21:05:07 +02:00
|
|
|
g_mutex_unlock(raop_session->data_mutex);
|
2011-01-28 21:17:09 +01:00
|
|
|
return rval;
|
|
|
|
}
|
|
|
|
|
|
|
|
const struct audio_output_plugin raopPlugin = {
|
|
|
|
.name = "raop",
|
|
|
|
.init = raop_output_init,
|
|
|
|
.finish = raop_output_finish,
|
|
|
|
.open = raop_output_open,
|
|
|
|
.play = raop_output_play,
|
|
|
|
.cancel = raop_output_cancel,
|
|
|
|
.pause = raop_output_pause,
|
|
|
|
.close = raop_output_close,
|
|
|
|
.mixer_plugin = &raop_mixer_plugin,
|
|
|
|
};
|