diff options
Diffstat (limited to 'oggcast~/oggcast~.c')
| -rw-r--r-- | oggcast~/oggcast~.c | 2879 |
1 files changed, 1444 insertions, 1435 deletions
diff --git a/oggcast~/oggcast~.c b/oggcast~/oggcast~.c index f27849c..c5dfc5f 100644 --- a/oggcast~/oggcast~.c +++ b/oggcast~/oggcast~.c @@ -1,1435 +1,1444 @@ -/* ------------------------- oggcast~ ----------------------------------------- */ -/* */ -/* Tilde object to send an Ogg Vorbis stream from to IceCast2 server. */ -/* Written by Olaf Matthes (olaf.matthes@gmx.de) */ -/* Get source at http://www.akustische-kunst.org/puredata/pdogg/ */ -/* */ -/* This library is free software; you can redistribute it and/or */ -/* modify it under the terms of the GNU Lesser General Public */ -/* License as published by the Free Software Foundation; either */ -/* version 2 of the License, or (at your option) any later version. */ -/* */ -/* This library is distributed in the hope that it will be useful, */ -/* but WITHOUT ANY WARRANTY; without even the implied warranty of */ -/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU */ -/* Lesser General Public License for more details. */ -/* */ -/* You should have received a copy of the GNU Lesser General Public */ -/* License along with this library; if not, write to the */ -/* Free Software Foundation, Inc., 59 Temple Place - Suite 330, */ -/* Boston, MA 02111-1307, USA. */ -/* */ -/* Based on PureData by Miller Puckette and others. */ -/* Uses the Ogg Vorbis decoding library which can be found at */ -/* http://www.vorbis.com/ */ -/* */ -/* ---------------------------------------------------------------------------- */ - - /* Pd includes */ -#include "m_pd.h" -#include "g_canvas.h" - /* Vorbis includes */ -#include "codec.h" -#include "vorbisenc.h" - -#include <sys/types.h> -#include <string.h> -#include <stdio.h> -#include <errno.h> -#include <fcntl.h> -#include <pthread.h> -#ifdef UNIX -#include <sys/socket.h> -#include <netinet/in.h> -#include <netinet/tcp.h> -#include <arpa/inet.h> -#include <netdb.h> -#include <sys/time.h> -#include <unistd.h> -#define SOCKET_ERROR -1 -#else -#include <io.h> /* for 'write' in pute-function only */ -#include <winsock.h> -#include <winbase.h> -#endif - -#ifdef NT -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - -#ifdef UNIX -#define sys_closesocket close -#endif -#ifdef NT -#define sys_closesocket closesocket -#endif - -/************************* oggcast~ object ******************************/ - -/* Each instance of oggcast~ owns a "child" thread for doing the data -transfer. The parent thread signals the child each time: - (1) a connection wants opening or closing; - (2) we've eaten another 1/16 of the shared buffer (so that the - child thread should check if it's time to receive some more.) -The child signals the parent whenever a receive has completed. Signalling -is done by setting "conditions" and putting data in mutex-controlled common -areas. -*/ - - -#define REQUEST_NOTHING 0 -#define REQUEST_CONNECT 1 -#define REQUEST_CLOSE 2 -#define REQUEST_QUIT 3 -#define REQUEST_BUSY 4 -#define REQUEST_DATA 5 -#define REQUEST_REINIT 6 - -#define STATE_IDLE 0 -#define STATE_STARTUP 1 /* connecting and filling the buffer */ -#define STATE_STREAM 2 /* streaming aund audio output */ - -#define READ 4096 /* amount of data we pass on to encoder */ -#define DEFBUFPERCHAN 262144 /* audio output buffer by default: 256k */ -#define MINBUFSIZE 65536 -#define MAXBUFSIZE 16777216 /* arbitrary; just don't want to hang malloc */ -#define STRBUF_SIZE 1024 /* char received from server on startup */ -#define MAXSTREAMCHANS 2 /* maximum number of channels: restricted to 2 by Ogg specs */ -#define UPDATE_INTERVAL 250 /* time in milliseconds between updates of output values */ - -static char *oggcast_version = "oggcast~: ogg/vorbis streaming client version 0.2i, written by Olaf Matthes"; - -static t_class *oggcast_class; - -typedef struct _oggcast -{ - t_object x_obj; - t_float *x_f; - t_clock *x_clock_connect; - t_clock *x_clock_pages; - t_outlet *x_connection; /* outlet for connection state */ - t_outlet *x_outpages; /* outlet for no. of ogg pages */ - - t_float *x_buf; /* audio data buffer */ - t_int x_bufsize; /* buffer size in bytes */ - t_int x_ninlets; /* number of audio outlets */ - t_sample *(x_outvec[MAXSTREAMCHANS]); /* audio vectors */ - t_int x_vecsize; /* vector size for transfers */ - t_int x_state; /* opened, running, or idle */ - - /* parameters to communicate with subthread */ - t_int x_requestcode; /* pending request from parent to I/O thread */ - t_int x_connecterror; /* slot for "errno" return */ - - /* buffer stuff */ - t_int x_fifosize; /* buffer size appropriately rounded down */ - t_int x_fifohead; /* index of next byte to get from file */ - t_int x_fifotail; /* index of next byte the ugen will read */ - t_int x_sigcountdown; /* counter for signalling child for more data */ - t_int x_sigperiod; /* number of ticks per signal */ - t_int x_siginterval; /* number of times per buffer (depends on data rate) */ - - /* ogg/vorbis related stuff */ - ogg_stream_state x_os; /* take physical pages, weld into a logical stream of packets */ - ogg_page x_og; /* one Ogg bitstream page. Vorbis packets are inside */ - ogg_packet x_op; /* one raw packet of data for decode */ - vorbis_info x_vi; /* struct that stores all the static vorbis bitstream settings */ - vorbis_comment x_vc; /* struct that stores all the user comments */ - vorbis_dsp_state x_vd; /* central working state for the packet->PCM decoder */ - vorbis_block x_vb; /* local working space for packet->PCM decode */ - - t_int x_eos; /* end of stream */ - t_float x_pages; /* number of pages that have been output to server */ - t_float x_lastpages; - - /* ringbuffer stuff */ - t_float *x_buffer; /* data to be buffered (ringbuffer)*/ - t_int x_bytesbuffered; /* number of unprocessed bytes in buffer */ - - /* ogg/vorbis format stuff */ - t_int x_samplerate; /* samplerate of stream (default = getsr() ) */ - t_int x_skip; /* samples from input to skip (for resampling) */ - t_float x_quality; /* desired quality level from 0.0 to 1.0 (lo to hi) */ - t_int x_br_max; /* max. bitrate of ogg/vorbis stream */ - t_int x_br_nom; /* nom. bitrate of ogg/vorbis stream */ - t_int x_br_min; /* min. bitrate of ogg/vorbis stream */ - t_int x_channels; /* number of channels (1 or 2) */ - t_int x_vbr; - - /* IceCast server stuff */ - char* x_passwd; /* password for server */ - char* x_bcname; /* name of broadcast */ - char* x_bcurl; /* url of broadcast */ - char* x_bcgenre; /* genre of broadcast */ - char* x_bcdescription; /* description */ - char* x_bcartist; /* artist */ - char* x_bclocation; - char* x_bccopyright; - char* x_bcperformer; - char* x_bccontact; - char* x_bcdate; /* system date when broadcast started */ - char* x_hostname; /* name or IP of host to connect to */ - char* x_mountpoint; /* mountpoint for IceCast server */ - t_float x_port; /* port number on which the connection is made */ - t_int x_bcpublic; /* do(n't) publish broadcast on www.oggcast.com */ - t_int x_servertype; /* type of server: 0 = JRoar or old Icecast2; 1 = new Icecast2 */ - - - - - t_int x_connectstate; /* indicates to state of socket connection */ - t_int x_outvalue; /* value that has last been output via outlet */ - t_int x_fd; /* the socket number */ - t_resample x_resample; /* resampling unit */ - t_int x_recover; /* indicate how to behave on buffer underruns */ - - /* thread stuff */ - pthread_mutex_t x_mutex; - pthread_cond_t x_requestcondition; - pthread_cond_t x_answercondition; - pthread_t x_childthread; -} t_oggcast; - - -static char base64table[65] = { - 'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P', - 'Q','R','S','T','U','V','W','X','Y','Z','a','b','c','d','e','f', - 'g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v', - 'w','x','y','z','0','1','2','3','4','5','6','7','8','9','+','/', -}; - - /* This isn't efficient, but it doesn't need to be */ -char *oggcast_util_base64_encode(char *data) -{ - int len = strlen(data); - char *out = (char *)getbytes(len*4/3 + 4); - char *result = out; - int chunk; - - while(len > 0) { - chunk = (len >3)?3:len; - *out++ = base64table[(*data & 0xFC)>>2]; - *out++ = base64table[((*data & 0x03)<<4) | ((*(data+1) & 0xF0) >> 4)]; - - switch(chunk) { - case 3: - *out++ = base64table[((*(data+1) & 0x0F)<<2) | ((*(data+2) & 0xC0)>>6)]; - *out++ = base64table[(*(data+2)) & 0x3F]; - break; - case 2: - *out++ = base64table[((*(data+1) & 0x0F)<<2)]; - *out++ = '='; - break; - case 1: - *out++ = '='; - *out++ = '='; - break; - } - data += chunk; - len -= chunk; - } - *out = 0; - - return result; -} - - /* check server for writeability */ -static int oggcast_checkserver(t_int sock) -{ - fd_set fdset; - struct timeval ztout; - fd_set writeset; - fd_set exceptset; - - FD_ZERO(&writeset); - FD_ZERO(&exceptset); - FD_SET(sock, &writeset ); - FD_SET(sock, &exceptset ); - - if(select(sock+1, NULL, &writeset, &exceptset, &ztout) > 0) - { - if(!FD_ISSET(sock, &writeset)) - { - post("oggcast~: can not write data to the server, quitting"); - return -1; - } - if(FD_ISSET(sock, &exceptset)) - { - post("oggcast~: socket returned an error, quitting"); - return -1; - } - } - return 0; -} - - /* stream ogg/vorbis to IceCast2 server */ -static int oggcast_stream(t_oggcast *x, t_int fd) -{ - int err = -1; /* error return code */ - int pages = 0; - - /* write out pages (if any) */ - while(!x->x_eos) - { - int result=ogg_stream_pageout(&(x->x_os),&(x->x_og)); - if(result==0)break; - err = send(fd, x->x_og.header, x->x_og.header_len, 0); - if(err < 0) - { - error("oggcast~: could not send ogg header to server (%d)", err); - x->x_eos = 1; /* indicate (artificial) end of stream */ - return err; - } - err = send(fd, x->x_og.body, x->x_og.body_len, 0); - if(err < 0) - { - error("oggcast~: could not send ogg body to server (%d)", err); - x->x_eos = 1; /* indicate (artificial) end of stream */ - return err; - } - pages++; /* count number of pages */ - /* there might be more than one pages we have to send */ - if(ogg_page_eos(&(x->x_og)))x->x_eos=1; - } - return (pages); -} - - /* ogg/vorbis decoder setup */ -static int oggcast_vorbis_init(t_oggcast *x) -{ - int err = -1; - - x->x_eos = 0; - x->x_skip = 1; /* assume no resampling */ - /* choose an encoding mode */ - vorbis_info_init(&(x->x_vi)); - - if(x->x_samplerate != sys_getsr()) /* downsampling for Oliver (http://radiostudio.org) */ - { - if(sys_getsr() / x->x_samplerate == 2.0) - { - post("oggcast~: downsampling from %.0f to %d Hz", sys_getsr(), x->x_samplerate); - x->x_skip = 2; - } - else if(sys_getsr() / x->x_samplerate == 4.0) - { - post("oggcast~: downsampling from %.0f to %d Hz", sys_getsr(), x->x_samplerate); - x->x_skip = 4; - } - else if(sys_getsr() / x->x_samplerate == 3.0) - { - post("oggcast~: downsampling from %.0f to %d Hz", sys_getsr(), x->x_samplerate); - x->x_skip = 3; - } else post("oggcast~: warning: resampling from %.0f to %d not supported", sys_getsr(), x->x_samplerate); - } - if(x->x_vbr == 1) - { /* quality based setting */ - if(vorbis_encode_init_vbr(&(x->x_vi), x->x_channels, x->x_samplerate, x->x_quality)) - { - post("oggcast~: ogg/vorbis mode initialisation failed: invalid parameters for quality"); - vorbis_info_clear(&(x->x_vi)); - return (-1); - } - } - else - { /* bitrate based setting */ - if(vorbis_encode_init(&(x->x_vi), x->x_channels, x->x_samplerate, x->x_br_max*1024, x->x_br_nom*1024, x->x_br_min*1024)) - { - post("oggcast~: ogg/vorbis mode initialisation failed: invalid parameters for quality"); - vorbis_info_clear(&(x->x_vi)); - return (-1); - } - } - - /* add a comment */ - vorbis_comment_init(&(x->x_vc)); - vorbis_comment_add_tag(&(x->x_vc),"TITLE", x->x_bcname); - vorbis_comment_add_tag(&(x->x_vc),"ARTIST", x->x_bcartist); - vorbis_comment_add_tag(&(x->x_vc),"GENRE",x->x_bcgenre); - vorbis_comment_add_tag(&(x->x_vc),"DESCRIPTION", x->x_bcdescription); - vorbis_comment_add_tag(&(x->x_vc),"LOCATION",x->x_bclocation); - vorbis_comment_add_tag(&(x->x_vc),"PERFORMER",x->x_bcperformer); - vorbis_comment_add_tag(&(x->x_vc),"COPYRIGHT",x->x_bccopyright); - vorbis_comment_add_tag(&(x->x_vc),"CONTACT",x->x_bccontact); - vorbis_comment_add_tag(&(x->x_vc),"DATE",x->x_bcdate); - vorbis_comment_add_tag(&(x->x_vc),"ENCODER","oggcast~ v0.2 for pure-data"); - - /* set up the analysis state and auxiliary encoding storage */ - vorbis_analysis_init(&(x->x_vd),&(x->x_vi)); - vorbis_block_init(&(x->x_vd),&(x->x_vb)); - - /* set up our packet->stream encoder */ - /* pick a random serial number; that way we can more likely build - chained streams just by concatenation */ - srand(time(NULL)); - ogg_stream_init(&(x->x_os),rand()); - - /* Vorbis streams begin with three headers; the initial header (with - most of the codec setup parameters) which is mandated by the Ogg - bitstream spec. The second header holds any comment fields. The - third header holds the bitstream codebook. We merely need to - make the headers, then pass them to libvorbis one at a time; - libvorbis handles the additional Ogg bitstream constraints */ - - { - ogg_packet header; - ogg_packet header_comm; - ogg_packet header_code; - - vorbis_analysis_headerout(&(x->x_vd),&(x->x_vc),&header,&header_comm,&header_code); - ogg_stream_packetin(&(x->x_os),&header); /* automatically placed in its own page */ - ogg_stream_packetin(&(x->x_os),&header_comm); - ogg_stream_packetin(&(x->x_os),&header_code); - - /* We don't have to write out here, but doing so makes streaming - * much easier, so we do, flushing ALL pages. This ensures the actual - * audio data will start on a new page - * - * IceCast2 server will take this as a first info about our stream - */ - while(!x->x_eos) - { - int result=ogg_stream_flush(&(x->x_os),&(x->x_og)); - if(result==0)break; - err = send(x->x_fd, x->x_og.header, x->x_og.header_len, 0); - if(err < 0) - { - error("oggcast~: could not send ogg header to server (%d)", err); - x->x_eos = 1; /* indicate end of stream */ - return (-1); - } - err = send(x->x_fd, x->x_og.body, x->x_og.body_len, 0); - if(err < 0) - { - error("oggcast~: could not send ogg body to server (%d)", err); - x->x_eos = 1; /* indicate end of stream */ - return (-1); - } - } - } - return (0); -} - - /* deinit the ogg/vorbis decoder */ -static void oggcast_vorbis_deinit(t_oggcast *x) -{ - vorbis_analysis_wrote(&(x->x_vd),0); - /* get rid of remaining data in encoder, if any */ - while(vorbis_analysis_blockout(&(x->x_vd),&(x->x_vb))==1) - { - vorbis_analysis(&(x->x_vb),NULL); - vorbis_bitrate_addblock(&(x->x_vb)); - - while(vorbis_bitrate_flushpacket(&(x->x_vd),&(x->x_op))) - { - ogg_stream_packetin(&(x->x_os),&(x->x_op)); - oggcast_stream(x, x->x_fd); - } - } - /* clean up and exit. vorbis_info_clear() must be called last */ - ogg_stream_clear(&(x->x_os)); - vorbis_block_clear(&(x->x_vb)); - vorbis_dsp_clear(&(x->x_vd)); - vorbis_comment_clear(&(x->x_vc)); - vorbis_info_clear(&(x->x_vi)); -} - - /* encode ogg/vorbis and stream new data */ -static int oggcast_encode(t_oggcast *x, float *buf, int channels, int fifosize, int fd) -{ - unsigned short i, ch; - int err = 0; - int n, pages = 0; - - /* expose the buffer to submit data */ - float **inbuffer=vorbis_analysis_buffer(&(x->x_vd),READ); - - /* read from buffer */ - for(n = 0; n < READ / channels; n++) /* fill encode buffer */ - { - for(ch = 0; ch < channels; ch++) - { - inbuffer[ch][n] = *buf++; - } - } - /* tell the library how much we actually submitted */ - vorbis_analysis_wrote(&(x->x_vd),n); - - /* vorbis does some data preanalysis, then divvies up blocks for - more involved (potentially parallel) processing. Get a single - block for encoding now */ - while(vorbis_analysis_blockout(&(x->x_vd),&(x->x_vb))==1) - { - /* analysis, assume we want to use bitrate management */ - vorbis_analysis(&(x->x_vb),NULL); - vorbis_bitrate_addblock(&(x->x_vb)); - - while(vorbis_bitrate_flushpacket(&(x->x_vd),&(x->x_op))) - { - /* weld the packet into the bitstream */ - ogg_stream_packetin(&(x->x_os),&(x->x_op)); - err = oggcast_stream(x, fd); /* stream packet to server */ - if(err >= 0) - { - pages += err; /* count pages */ - } - else return (err); - } - } - return (pages); -} - - /* connect to icecast2 server */ -static int oggcast_child_connect(char *hostname, char *mountpoint, t_int portno, - char *passwd, char *bcname, char *bcurl, - char *bcgenre, t_int bcpublic, t_int br_nom, t_int servertype) -{ - struct sockaddr_in server; - struct hostent *hp; - - /* variables used for communication with server */ - const char * buf = 0; - char resp[STRBUF_SIZE]; - unsigned int len; - fd_set fdset; - struct timeval tv; - t_int sockfd; /* our internal handle for the socket */ - t_int ret; - - sockfd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); - if (sockfd < 0) - { - error("oggcast~: internal error while attempting to open socket"); - return (-1); - } - - /* connect socket using hostname provided in command line */ - server.sin_family = AF_INET; - hp = gethostbyname(hostname); - if (hp == 0) - { - post("oggcast~: bad host?"); - sys_closesocket(sockfd); - return (-1); - } - memcpy((char *)&server.sin_addr, (char *)hp->h_addr, hp->h_length); - - /* assign client port number */ - server.sin_port = htons((unsigned short)portno); - - /* try to connect. */ - post("oggcast~: connecting to port %d", portno); - if (connect(sockfd, (struct sockaddr *) &server, sizeof (server)) < 0) - { - error("oggcast~: connection failed!\n"); - sys_closesocket(sockfd); - return (-1); - } - - /* sheck if we can read/write from/to the socket */ - FD_ZERO( &fdset); - FD_SET( sockfd, &fdset); - tv.tv_sec = 0; /* seconds */ - tv.tv_usec = 500; /* microseconds */ - - ret = select(sockfd + 1, &fdset, NULL, NULL, &tv); - if(ret != 0) - { - error("oggcast~: can not read from socket"); - sys_closesocket(sockfd); - return (-1); - } - - post("oggcast~: logging in to IceCast2 server..."); - /* now try to log in at IceCast2 server using ICE/1.0 scheme */ - if(servertype == 0) - { - /* send the request, a string like: "SOURCE /<mountpoint> ICE/1.0\n" */ - buf = "SOURCE "; - send(sockfd, buf, strlen(buf), 0); - buf = "/"; - send(sockfd, buf, strlen(buf), 0); - buf = mountpoint; - send(sockfd, buf, strlen(buf), 0); - buf = " ICE/1.0"; - send(sockfd, buf, strlen(buf), 0); - /* send the ice headers */ - /* password */ - buf = "\nice-password: "; - send(sockfd, buf, strlen(buf), 0); - buf = passwd; - send(sockfd, buf, strlen(buf), 0); - /* name */ - buf = "\r\nice-name: "; - send(sockfd, buf, strlen(buf), 0); - buf = bcname; - send(sockfd, buf, strlen(buf), 0); - /* url */ - buf = "\r\nice-url: "; - send(sockfd, buf, strlen(buf), 0); - buf = bcurl; - send(sockfd, buf, strlen(buf), 0); - /* genre */ - buf = "\r\nice-genre: "; - send(sockfd, buf, strlen(buf), 0); - buf = bcgenre; - send(sockfd, buf, strlen(buf), 0); - /* public */ - buf = "\r\nice-public: "; - send(sockfd, buf, strlen(buf), 0); - if(bcpublic==0) /* set the public flag for broadcast */ - { - buf = "no"; - } - else - { - buf ="yes"; - } - send(sockfd, buf, strlen(buf), 0); - /* bitrate */ - buf = "\r\nice-bitrate: "; - send(sockfd, buf, strlen(buf), 0); - if(sprintf(resp, "%d", br_nom) == -1) /* convert int to a string */ - { - error("oggcast~: wrong bitrate"); - } - send(sockfd, resp, strlen(resp), 0); - /* description */ - buf = "\r\nice-description: "; - send(sockfd, buf, strlen(buf), 0); - buf = "ogg/vorbis streamed from pure-data with oggcast~"; - send(sockfd, buf, strlen(buf), 0); - /* end of header */ - buf = "\r\n\r\n"; - send(sockfd, buf, strlen(buf), 0); - /* end login for IceCast using ICE/1.0 scheme */ - } - else /* or try to log in at IceCast2 server using HTTP/1.0 base auth scheme */ - { - /* send the request, a string like: "SOURCE /<mountpoint> HTTP/1.0\n\r" */ - buf = "SOURCE /"; - send(sockfd, buf, strlen(buf), 0); - buf = mountpoint; - send(sockfd, buf, strlen(buf), 0); - buf = " HTTP/1.0\r\n"; - send(sockfd, buf, strlen(buf), 0); - /* send basic authorization */ - sprintf(resp, "source:%s", passwd); - buf = oggcast_util_base64_encode(resp); - sprintf(resp, "Authorization: Basic %s\r\n", buf); - send(sockfd, resp, strlen(resp), 0); - /* send content type */ - buf = "Content-Type: application/x-ogg"; - send(sockfd, buf, strlen(buf), 0); - /* send the ice headers */ - /* password */ - buf = "\r\nice-password: "; - send(sockfd, buf, strlen(buf), 0); - buf = passwd; - send(sockfd, buf, strlen(buf), 0); - /* name */ - buf = "\r\nice-name: "; - send(sockfd, buf, strlen(buf), 0); - buf = bcname; - send(sockfd, buf, strlen(buf), 0); - /* url */ - buf = "\r\nice-url: "; - send(sockfd, buf, strlen(buf), 0); - buf = bcurl; - send(sockfd, buf, strlen(buf), 0); - /* genre */ - buf = "\r\nice-genre: "; - send(sockfd, buf, strlen(buf), 0); - buf = bcgenre; - send(sockfd, buf, strlen(buf), 0); - /* public */ - buf = "\r\nice-public: "; - send(sockfd, buf, strlen(buf), 0); - if(bcpublic==0) /* set the public flag for broadcast */ - { - buf = "0"; - } - else - { - buf = "1"; - } - send(sockfd, buf, strlen(buf), 0); - /* bitrate */ - buf = "\r\nice-bitrate: "; - send(sockfd, buf, strlen(buf), 0); - if(sprintf(resp, "%d", br_nom) == -1) /* convert int to a string */ - { - error("oggcast~: wrong bitrate"); - } - send(sockfd, resp, strlen(resp), 0); - /* description */ - buf = "\r\nice-description: "; - send(sockfd, buf, strlen(buf), 0); - buf = "Ogg/Vorbis streamed from Pure Data with oggcast~\r\n"; - send(sockfd, buf, strlen(buf), 0); - /* end of header: write an empty line */ - buf = "\r\n"; - send(sockfd, buf, strlen(buf), 0); - /* end login for IceCast2 using ICE/1.0 scheme */ - } - - /* check if we can write to server */ - if(oggcast_checkserver(sockfd)!= 0) - { - post("oggcast~: error: server refused to receive data"); - return (-1); - } - - post("oggcast~: logged in to http://%s:%d/%s", hp->h_name, portno, mountpoint); - - return (sockfd); -} - - - -static void oggcast_child_disconnect(t_int fd) -{ - sys_closesocket(fd); - post("oggcast~: connection closed"); -} -/************** the child thread which performs data I/O ***********/ - -#if 0 /* set this to 1 to get debugging output */ -static void pute(char *s) /* debug routine */ -{ - write(2, s, strlen(s)); -} -#else -#define pute(x) -#endif - -#if 1 -#define oggcast_cond_wait pthread_cond_wait -#define oggcast_cond_signal pthread_cond_signal -#else -#include <sys/time.h> /* debugging version... */ -#include <sys/types.h> -static void oggcast_fakewait(pthread_mutex_t *b) -{ - struct timeval timout; - timout.tv_sec = 0; - timout.tv_usec = 1000000; - pthread_mutex_unlock(b); - select(0, 0, 0, 0, &timout); - pthread_mutex_lock(b); -} - -void oggcast_banana( void) -{ - struct timeval timout; - timout.tv_sec = 0; - timout.tv_usec = 200000; - pute("banana1\n"); - select(0, 0, 0, 0, &timout); - pute("banana2\n"); -} - - -#define oggcast_cond_wait(a,b) oggcast_fakewait(b) -#define oggcast_cond_signal(a) -#endif - -static void *oggcast_child_main(void *zz) -{ - t_oggcast *x = zz; - time_t now; /* to get the time */ - pute("1\n"); - pthread_mutex_lock(&x->x_mutex); - while (1) - { - int fd, fifotail; - pute("0\n"); - if (x->x_requestcode == REQUEST_NOTHING) - { - pute("wait 2\n"); - oggcast_cond_signal(&x->x_answercondition); - oggcast_cond_wait(&x->x_requestcondition, &x->x_mutex); - pute("3\n"); - } - // connect to Icecast2 server - else if (x->x_requestcode == REQUEST_CONNECT) - { - char boo[100]; - int sysrtn, wantbytes; - - /* copy connect stuff out of the data structure so we can - relinquish the mutex while we're connecting to server. */ - char *hostname = x->x_hostname; - char *mountpoint = x->x_mountpoint; - t_int portno = x->x_port; - char *passwd = x->x_passwd; - char *bcname = x->x_bcname; - char *bcgenre = x->x_bcgenre; - char *bcurl = x->x_bcurl; - t_int bcpublic = x->x_bcpublic; - t_int br_nom = x->x_br_nom; - t_int servertype = x->x_servertype; - /* alter the request code so that an ensuing "open" will get - noticed. */ - pute("4\n"); - x->x_requestcode = REQUEST_BUSY; - x->x_connecterror = 0; - - /* open the socket with the mutex unlocked in case - we're not already connected */ - if(x->x_fd < 0) - { - pthread_mutex_unlock(&x->x_mutex); - fd = oggcast_child_connect(hostname, mountpoint, portno, passwd, bcname, - bcurl, bcgenre, bcpublic, br_nom, servertype); - pthread_mutex_lock(&x->x_mutex); - pute("5\n"); - /* copy back into the instance structure. */ - x->x_connectstate = 1; - clock_delay(x->x_clock_connect, 0); - x->x_fd = fd; - if (fd < 0) - { - x->x_connecterror = fd; - x->x_connectstate = 0; - clock_delay(x->x_clock_connect, 0); - pute("connect failed\n"); - goto lost; - } - else - { - /* get the time for the DATE comment */ - now=time(NULL); - x->x_bcdate = ctime(&now); - x->x_pages = 0; - clock_delay(x->x_clock_pages, 0); - /* initialise the encoder */ - if(oggcast_vorbis_init(x) == 0) - { - post("oggcast~: ogg/vorbis encoder initialised"); - x->x_eos = 0; - x->x_state = STATE_STREAM; - } - else - { - post("oggcast~: could not init encoder"); - oggcast_child_disconnect(fd); - post("oggcast~: connection closed due to initialisation error"); - x->x_fd = -1; - x->x_connectstate = 0; - clock_delay(x->x_clock_connect, 0); - pute("oggcast~: initialisation failed\n"); - goto lost; - } - } - x->x_fifotail = fifotail = 0; - /* set fifosize from bufsize. fifosize must be a - multiple of the number of bytes eaten for each DSP - tick. We pessimistically assume MAXVECSIZE samples - per tick since that could change. There could be a - problem here if the vector size increases while a - stream is being played... */ - x->x_fifosize = x->x_bufsize - (x->x_bufsize % (x->x_channels * READ)); - /* arrange for the "request" condition to be signalled x->x_siginterval - times per buffer */ - sprintf(boo, "fifosize %d\n", x->x_fifosize); - pute(boo); - x->x_sigcountdown = x->x_sigperiod = (x->x_fifosize / (x->x_siginterval * x->x_channels * x->x_vecsize)); - } - /* check if another request has been made; if so, field it */ - if (x->x_requestcode != REQUEST_BUSY) - goto lost; - pute("6\n"); - - while (x->x_requestcode == REQUEST_BUSY) - { - int fifosize = x->x_fifosize, fifotail, channels; - float *buf = x->x_buf; - pute("77\n"); - - /* if the head is < the tail, we can immediately write - from tail to end of fifo to disk; otherwise we hold off - writing until there are at least WRITESIZE bytes in the - buffer */ - if (x->x_fifohead < x->x_fifotail || - x->x_fifohead >= x->x_fifotail + READ - || (x->x_requestcode == REQUEST_CLOSE && - x->x_fifohead != x->x_fifotail)) - { /* encode audio and send to server */ - pute("8\n"); - fifotail = x->x_fifotail; - channels = x->x_channels; - fd = x->x_fd; - pthread_mutex_unlock(&x->x_mutex); - sysrtn = oggcast_encode(x, buf + fifotail, channels, fifosize, fd); - pthread_mutex_lock(&x->x_mutex); - if (x->x_requestcode != REQUEST_BUSY && - x->x_requestcode != REQUEST_CLOSE) - break; - if (sysrtn < 0) - { - post("oggcast~: closing due to error..."); - goto lost; - } - else - { - x->x_fifotail += READ; - x->x_pages += sysrtn; - if (x->x_fifotail >= fifosize) - x->x_fifotail = 0; - } - sprintf(boo, "after: head %d, tail %d, pages %d\n", x->x_fifohead, x->x_fifotail, sysrtn); - pute(boo); - } - else /* just wait... */ - { - pute("wait 7a ...\n"); - oggcast_cond_signal(&x->x_answercondition); - pute("signalled\n"); - oggcast_cond_wait(&x->x_requestcondition, - &x->x_mutex); - pute("7a done\n"); - continue; - } - /* signal parent in case it's waiting for data */ - oggcast_cond_signal(&x->x_answercondition); - } - } - - /* reinit encoder (settings have changed) */ - else if (x->x_requestcode == REQUEST_REINIT) - { - pthread_mutex_unlock(&x->x_mutex); - oggcast_vorbis_deinit(x); - oggcast_vorbis_init(x); - pthread_mutex_lock(&x->x_mutex); - post("oggcast~: ogg/vorbis encoder reinitialised"); - x->x_state = STATE_STREAM; - if (x->x_requestcode == REQUEST_REINIT) - x->x_requestcode = REQUEST_CONNECT; - oggcast_cond_signal(&x->x_answercondition); - } - /* close connection to server (disconnect) */ - else if (x->x_requestcode == REQUEST_CLOSE) - { -lost: - x->x_state = STATE_IDLE; - if (x->x_fd >= 0) - { - fd = x->x_fd; - pthread_mutex_unlock(&x->x_mutex); - oggcast_vorbis_deinit(x); - oggcast_child_disconnect(fd); - pthread_mutex_lock(&x->x_mutex); - x->x_fd = -1; - } - if (x->x_requestcode == REQUEST_CLOSE) - x->x_requestcode = REQUEST_NOTHING; - if (x->x_requestcode == REQUEST_BUSY) /* disconnect due to error */ - x->x_requestcode = REQUEST_NOTHING; - x->x_connectstate = 0; - clock_delay(x->x_clock_connect, 0); - x->x_eos = 1; - oggcast_cond_signal(&x->x_answercondition); - } - // quit everything - else if (x->x_requestcode == REQUEST_QUIT) - { - x->x_state = STATE_IDLE; - if (x->x_fd >= 0) - { - fd = x->x_fd; - pthread_mutex_unlock(&x->x_mutex); - oggcast_vorbis_deinit(x); - oggcast_child_disconnect(fd); - pthread_mutex_lock(&x->x_mutex); - x->x_fd = -1; - } - x->x_connectstate = 0; - clock_delay(x->x_clock_connect, 0); - x->x_requestcode = REQUEST_NOTHING; - oggcast_cond_signal(&x->x_answercondition); - break; - } - else - { - pute("13\n"); - } - } - pute("thread exit\n"); - pthread_mutex_unlock(&x->x_mutex); - return (0); -} - -/******** the object proper runs in the calling (parent) thread ****/ - -static void oggcast_tick_connect(t_oggcast *x) -{ - pthread_mutex_lock(&x->x_mutex); - outlet_float(x->x_connection, x->x_connectstate); - pthread_mutex_unlock(&x->x_mutex); -} - -static void oggcast_tick_pages(t_oggcast *x) -{ - /* output new no. of pages if anything changed */ - t_float pages; - pthread_mutex_lock(&x->x_mutex); - pages = x->x_pages; /* get current value with mutex locked */ - pthread_mutex_unlock(&x->x_mutex); - if(pages != x->x_lastpages) - { - outlet_float(x->x_outpages, pages); - x->x_lastpages = pages; - } - clock_delay(x->x_clock_pages, UPDATE_INTERVAL); /* come back again... */ -} - -static void *oggcast_new(t_floatarg fnchannels, t_floatarg fbufsize) -{ - t_oggcast *x; - int nchannels = fnchannels, bufsize = fbufsize * 1024, i; - float *buf; - - if (nchannels < 1) - nchannels = 2; /* two channels as default */ - else if (nchannels > MAXSTREAMCHANS) - nchannels = MAXSTREAMCHANS; - /* check / set buffer size */ - if (bufsize <= 0) bufsize = DEFBUFPERCHAN * nchannels; - else if (bufsize < MINBUFSIZE) - bufsize = MINBUFSIZE; - else if (bufsize > MAXBUFSIZE) - bufsize = MAXBUFSIZE; - buf = getbytes(bufsize*sizeof(t_float)); - if (!buf) return (0); - - x = (t_oggcast *)pd_new(oggcast_class); - - for (i = 1; i < nchannels; i++) - inlet_new (&x->x_obj, &x->x_obj.ob_pd, gensym ("signal"), gensym ("signal")); - x->x_connection = outlet_new(&x->x_obj, gensym("float")); - x->x_outpages = outlet_new(&x->x_obj, gensym("float")); - x->x_ninlets = nchannels; - - x->x_clock_connect = clock_new(x, (t_method)oggcast_tick_connect); - x->x_clock_pages = clock_new(x, (t_method)oggcast_tick_pages); - - pthread_mutex_init(&x->x_mutex, 0); - pthread_cond_init(&x->x_requestcondition, 0); - pthread_cond_init(&x->x_answercondition, 0); - - x->x_vecsize = 2; - x->x_state = STATE_IDLE; - x->x_buf = buf; - x->x_bufsize = bufsize; - x->x_siginterval = 32; /* signal 32 times per buffer */ - /* I found this to be most efficient on my machine */ - x->x_fifosize = x->x_fifohead = x->x_fifotail = x->x_requestcode = 0; - - x->x_connectstate = 0; /* indicating state of connection */ - x->x_outvalue = 0; /* value at output currently is 0 */ - - x->x_samplerate = sys_getsr(); - x->x_resample.upsample = x->x_resample.downsample = 1; /* don't resample */ - - - x->x_fd = -1; - x->x_eos = 0; - x->x_vbr = 1; /* use the vbr setting by default */ - x->x_passwd = "letmein"; - x->x_samplerate = sys_getsr(); /* default to Pd's sampling rate */ - x->x_skip = 1; /* no resampling supported */ - x->x_quality = 0.4; /* quality 0.4 gives roughly 128kbps VBR stream */ - x->x_channels = nchannels; /* stereo */ - x->x_br_max = 144; - x->x_br_nom = 128; - x->x_br_min = 96; - x->x_pages = x->x_lastpages = 0; - x->x_bcname = "ogg/vorbis stream"; - x->x_bcurl = "http://www.akustische-kunst.org/puredata/"; - x->x_bcgenre = "experimental"; - x->x_bcdescription = "ogg/vorbis stream emitted from pure-data with oggcast~"; - x->x_bcartist = "Pd and oggcast~ v0.2"; - x->x_bclocation = x->x_bcurl; - x->x_bccopyright = ""; - x->x_bcperformer = ""; - x->x_bccontact = ""; - x->x_bcdate = ""; - x->x_bcpublic = 1; - x->x_mountpoint = "puredata.ogg"; - x->x_servertype = 1; /* HTTP/1.0 protocol for Icecast2 */ - - post(oggcast_version); - post("oggcast~: set buffer to %dk bytes", bufsize / 1024); - post("oggcast~: encoding %d channels @ %d Hz", x->x_channels, x->x_samplerate); - - clock_delay(x->x_clock_pages, 0); - pthread_create(&x->x_childthread, 0, oggcast_child_main, x); - return (x); -} - -static t_int *oggcast_perform(t_int *w) -{ - t_oggcast *x = (t_oggcast *)(w[1]); - int vecsize = x->x_vecsize, ninlets = x->x_ninlets, channels = x->x_channels, i, j, skip = x->x_skip; - float *sp = x->x_buf; - pthread_mutex_lock(&x->x_mutex); - if (x->x_state != STATE_IDLE) - { - int wantbytes; - /* get 'wantbytes' bytes from inlet */ - wantbytes = channels * vecsize / skip; /* we'll get vecsize bytes per channel */ - /* check if there is enough space in buffer to write all samples */ - while (x->x_fifotail > x->x_fifohead && - x->x_fifotail < x->x_fifohead + wantbytes + 1) - { - pute("wait...\n"); - oggcast_cond_signal(&x->x_requestcondition); - oggcast_cond_wait(&x->x_answercondition, &x->x_mutex); - pute("done\n"); - } - - /* output audio */ - sp += x->x_fifohead; - - if(ninlets >= channels) - { - for(j = 0; j < vecsize; j += skip) - { - for(i = 0; i < channels; i++) - { - *sp++ = x->x_outvec[i][j]; - } - } - } - else if(channels == ninlets * 2) /* convert mono -> stereo */ - { - for(j = 0; j < vecsize; j += skip) - { - for(i = 0; i < ninlets; i++) - { - *sp++ = x->x_outvec[i][j]; - *sp++ = x->x_outvec[i][j]; - } - } - } - - - x->x_fifohead += wantbytes; - if (x->x_fifohead >= x->x_fifosize) - x->x_fifohead = 0; - /* signal the child thread */ - if ((--x->x_sigcountdown) <= 0) - { - pute("signal 1\n"); - oggcast_cond_signal(&x->x_requestcondition); - x->x_sigcountdown = x->x_sigperiod; - } - } - - pthread_mutex_unlock(&x->x_mutex); - - return (w+2); -} - - -static void oggcast_disconnect(t_oggcast *x) -{ - /* LATER rethink whether you need the mutex just to set a variable? */ - pthread_mutex_lock(&x->x_mutex); - if(x->x_fd >= 0) - { - x->x_state = STATE_IDLE; - x->x_requestcode = REQUEST_CLOSE; - oggcast_cond_signal(&x->x_requestcondition); - } - else post("oggcast~: not connected"); - pthread_mutex_unlock(&x->x_mutex); -} - - - /* connect method. Called as: - connect <hostname or IP> <mountpoint> <portnumber> - */ - -static void oggcast_connect(t_oggcast *x, t_symbol *s, int argc, t_atom *argv) -{ - t_symbol *hostsym = atom_getsymbolarg(0, argc, argv); - t_symbol *mountsym = atom_getsymbolarg(1, argc, argv); - t_float portno = atom_getfloatarg(2, argc, argv); - if (!*hostsym->s_name) /* check for hostname */ - return; - if (!portno) /* check wether the portnumber is specified */ - portno = 8000; /* ...assume port 8000 as standard */ - pthread_mutex_lock(&x->x_mutex); - if(x->x_fd >= 0) - { - post("oggcast~: already connected"); - } - else - { - x->x_requestcode = REQUEST_CONNECT; - x->x_hostname = hostsym->s_name; - x->x_mountpoint = mountsym->s_name; - x->x_port = portno; - - x->x_fifotail = 0; - x->x_fifohead = 0; - // if(x->x_recover != 1)x->x_fifobytes = 0; - - x->x_connecterror = 0; - x->x_state = STATE_STARTUP; - oggcast_cond_signal(&x->x_requestcondition); - } - pthread_mutex_unlock(&x->x_mutex); -} - -static void oggcast_float(t_oggcast *x, t_floatarg f) -{ - if (f != 0) - { - pthread_mutex_lock(&x->x_mutex); - if(x->x_fd >= 0) - { - post("oggcast~: already connected"); - } - else - { - if(x->x_recover != 1) - { - x->x_fifotail = 0; - x->x_fifohead = 0; - } - x->x_requestcode = REQUEST_CONNECT; - - x->x_fifotail = 0; - x->x_fifohead = 0; - - x->x_connecterror = 0; - x->x_state = STATE_STARTUP; - oggcast_cond_signal(&x->x_requestcondition); - } - pthread_mutex_unlock(&x->x_mutex); - } - else oggcast_disconnect(x); -} - -static void oggcast_dsp(t_oggcast *x, t_signal **sp) -{ - int i, ninlets = x->x_ninlets; - pthread_mutex_lock(&x->x_mutex); - x->x_vecsize = sp[0]->s_n; - - x->x_sigperiod = (x->x_fifosize / (x->x_siginterval * ninlets * x->x_vecsize)); - for (i = 0; i < ninlets; i++) - x->x_outvec[i] = sp[i]->s_vec; - pthread_mutex_unlock(&x->x_mutex); - dsp_add(oggcast_perform, 1, x); -} - - /* set password for oggcast server */ -static void oggcast_password(t_oggcast *x, t_symbol *password) -{ - pthread_mutex_lock(&x->x_mutex); - x->x_passwd = password->s_name; - pthread_mutex_unlock(&x->x_mutex); -} - /* set comment fields for header (reads in just anything) */ -static void oggcast_comment(t_oggcast *x, t_symbol *s, t_int argc, t_atom* argv) -{ - t_binbuf *b = binbuf_new(); - char* comment; - int length; - binbuf_add(b, argc, argv); - binbuf_gettext(b, &comment, &length); - - pthread_mutex_lock(&x->x_mutex); - if(strstr(s->s_name, "ARTIST")) - { - strcpy(x->x_bcartist, comment); - post("oggcast~: ARTIST = %s", x->x_bcartist); - } - else if(strstr(s->s_name, "GENRE")) - { - strcpy(x->x_bcgenre, comment); - post("oggcast~: GENRE = %s", x->x_bcgenre); - } - else if(strstr(s->s_name, "TITLE")) - { - strcpy(x->x_bcname, comment); - post("oggcast~: TITLE = %s", x->x_bcname); - } - else if(strstr(s->s_name, "PERFORMER")) - { - strcpy(x->x_bcperformer, comment); - post("oggcast~: PERFORMER = %s", x->x_bcperformer); - } - else if(strstr(s->s_name, "LOCATION")) - { - strcpy(x->x_bclocation, comment); - post("oggcast~: LOCATION = %s", x->x_bclocation); - } - else if(strstr(s->s_name, "COPYRIGHT")) - { - strcpy(x->x_bccopyright, comment); - post("oggcast~: COPYRIGHT = %s", x->x_bccopyright); - } - else if(strstr(s->s_name, "CONTACT")) - { - strcpy(x->x_bccontact, comment); - post("oggcast~: CONTACT = %s", x->x_bccontact); - } - else if(strstr(s->s_name, "DESCRIPTION")) - { - strcpy(x->x_bcdescription, comment); - post("oggcast~: DESCRIPTION = %s", x->x_bcdescription); - } - else if(strstr(s->s_name, "DATE")) - { - strcpy(x->x_bcdate, comment); - post("oggcast~: DATE = %s", x->x_bcdate); - } - else post("oggcast~: no method for %s", s->s_name); - if(x->x_state == STATE_STREAM) - { - x->x_state = STATE_IDLE; - x->x_requestcode = REQUEST_REINIT; - oggcast_cond_signal(&x->x_requestcondition); - } - pthread_mutex_unlock(&x->x_mutex); - freebytes(comment, strlen(comment)); -} - /* settings for variable bitrate encoding */ -static void oggcast_vbr(t_oggcast *x, t_floatarg fsr, t_floatarg fchannels, - t_floatarg fquality) -{ - pthread_mutex_lock(&x->x_mutex); - x->x_vbr = 1; - x->x_samplerate = (t_int)fsr; - x->x_quality = fquality; - x->x_channels = (t_int)fchannels; - post("oggcast~: %d channels @ %d Hz, quality %.2f", x->x_channels, x->x_samplerate, x->x_quality); - if(x->x_state == STATE_STREAM) - { - x->x_state = STATE_IDLE; - x->x_requestcode = REQUEST_REINIT; - oggcast_cond_signal(&x->x_requestcondition); - } - pthread_mutex_unlock(&x->x_mutex); -} - - /* settings for bitrate-based vbr encoding */ -static void oggcast_vorbis(t_oggcast *x, t_floatarg fsr, t_floatarg fchannels, - t_floatarg fmax, t_floatarg fnom, t_floatarg fmin) -{ - pthread_mutex_lock(&x->x_mutex); - x->x_vbr = 0; - x->x_samplerate = (t_int)fsr; - x->x_channels = (t_int)fchannels; - x->x_br_max = (t_int)fmax; - x->x_br_nom = (t_int)fnom; - x->x_br_min = (t_int)fmin; - post("oggcast~: %d channels @ %d Hz, bitrates: max. %d / nom. %d / min. %d", - x->x_channels, x->x_samplerate, x->x_br_max, x->x_br_nom, x->x_br_min); - if(x->x_state == STATE_STREAM) - { - x->x_state = STATE_IDLE; - x->x_requestcode = REQUEST_REINIT; - oggcast_cond_signal(&x->x_requestcondition); - } - pthread_mutex_unlock(&x->x_mutex); -} - /* select server type */ -static void oggcast_server(t_oggcast *x, t_floatarg f) -{ - pthread_mutex_lock(&x->x_mutex); - if(f) - { - x->x_servertype = 1; - post("oggcast~: set server type to new Icecast2 (HTTP/1.0 scheme)"); - } - else - { - x->x_servertype = 0; - post("oggcast~: set server type to JRoar (ICE/1.0 scheme)"); - } - pthread_mutex_unlock(&x->x_mutex); -} - /* print settings to pd's console window */ -static void oggcast_print(t_oggcast *x) -{ - pthread_mutex_lock(&x->x_mutex); - if(x->x_servertype) - post("oggcast~: server type is Icecast2"); - else - post("oggcast~: server type is JRoar"); - post("oggcast~: mountpoint at Icecast2: %s", x->x_mountpoint); - if(x->x_vbr == 1) - { - post("oggcast~: Ogg Vorbis encoder: %d channels @ %d Hz, quality %.2f", x->x_channels, x->x_samplerate, x->x_quality); - } - else - { - post("oggcast~: Ogg Vorbis encoder: %d channels @ %d Hz, bitrates: max. %d, nom. %d, min. %d", - x->x_channels, x->x_samplerate, x->x_br_max, x->x_br_nom, x->x_br_min); - } - post("oggcast~: Ogg Vorbis comments:"); - post(" TITLE = %s", x->x_bcname); - post(" ARTIST = %s", x->x_bcartist); - post(" PERFORMER = %s", x->x_bcperformer); - post(" GENRE = %s", x->x_bcgenre); - post(" LOCATION = %s", x->x_bclocation); - post(" COPYRIGHT = %s", x->x_bccopyright); - post(" CONTACT = %s", x->x_bccontact); - post(" DESCRIPTION = %s", x->x_bcdescription); - post(" DATE = %s", x->x_bcdate); - pthread_mutex_unlock(&x->x_mutex); -} - - -static void oggcast_free(t_oggcast *x) -{ - /* request QUIT and wait for acknowledge */ - void *threadrtn; - pthread_mutex_lock(&x->x_mutex); - x->x_requestcode = REQUEST_QUIT; - post("stopping oggcast thread..."); - oggcast_cond_signal(&x->x_requestcondition); - while (x->x_requestcode != REQUEST_NOTHING) - { - post("signalling..."); - oggcast_cond_signal(&x->x_requestcondition); - oggcast_cond_wait(&x->x_answercondition, &x->x_mutex); - } - pthread_mutex_unlock(&x->x_mutex); - if (pthread_join(x->x_childthread, &threadrtn)) - error("oggcast_free: join failed"); - post("... done."); - - pthread_cond_destroy(&x->x_requestcondition); - pthread_cond_destroy(&x->x_answercondition); - pthread_mutex_destroy(&x->x_mutex); - freebytes(x->x_buf, x->x_bufsize*sizeof(t_float)); - clock_free(x->x_clock_connect); - clock_free(x->x_clock_pages); -} - -void oggcast_tilde_setup(void) -{ - oggcast_class = class_new(gensym("oggcast~"), (t_newmethod)oggcast_new, - (t_method)oggcast_free, sizeof(t_oggcast), 0, A_DEFFLOAT, A_DEFFLOAT, 0); - CLASS_MAINSIGNALIN(oggcast_class, t_oggcast, x_f ); - class_addfloat(oggcast_class, (t_method)oggcast_float); - class_addmethod(oggcast_class, (t_method)oggcast_disconnect, gensym("disconnect"), 0); - class_addmethod(oggcast_class, (t_method)oggcast_dsp, gensym("dsp"), 0); - class_addmethod(oggcast_class, (t_method)oggcast_connect, gensym("connect"), A_GIMME, 0); - class_addmethod(oggcast_class, (t_method)oggcast_print, gensym("print"), 0); - class_addmethod(oggcast_class, (t_method)oggcast_password, gensym("passwd"), A_SYMBOL, 0); - class_addmethod(oggcast_class, (t_method)oggcast_vorbis, gensym("vorbis"), A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT, 0); - class_addmethod(oggcast_class, (t_method)oggcast_vbr, gensym("vbr"), A_FLOAT, A_FLOAT, A_FLOAT, 0); - class_addmethod(oggcast_class, (t_method)oggcast_server, gensym("server"), A_FLOAT, 0); - class_addanything(oggcast_class, oggcast_comment); - class_sethelpsymbol(oggcast_class, gensym("help-oggcast~.pd")); -} +/* ------------------------- oggcast~ ----------------------------------------- */
+/* */
+/* Tilde object to send an Ogg Vorbis stream from to IceCast2 server. */
+/* Written by Olaf Matthes (olaf.matthes@gmx.de) */
+/* Get source at http://www.akustische-kunst.org/puredata/pdogg/ */
+/* */
+/* This library is free software; you can redistribute it and/or */
+/* modify it under the terms of the GNU Lesser General Public */
+/* License as published by the Free Software Foundation; either */
+/* version 2 of the License, or (at your option) any later version. */
+/* */
+/* This library is distributed in the hope that it will be useful, */
+/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
+/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU */
+/* Lesser General Public License for more details. */
+/* */
+/* You should have received a copy of the GNU Lesser General Public */
+/* License along with this library; if not, write to the */
+/* Free Software Foundation, Inc., 59 Temple Place - Suite 330, */
+/* Boston, MA 02111-1307, USA. */
+/* */
+/* Based on PureData by Miller Puckette and others. */
+/* Uses the Ogg Vorbis decoding library which can be found at */
+/* http://www.vorbis.com/ */
+/* */
+/* ---------------------------------------------------------------------------- */
+
+ /* Pd includes */
+#include "m_pd.h"
+#include "g_canvas.h"
+ /* Vorbis includes */
+#include "codec.h"
+#include "vorbisenc.h"
+
+#include <sys/types.h>
+#include <string.h>
+#include <stdio.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <pthread.h>
+#ifdef UNIX
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netinet/tcp.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#include <sys/time.h>
+#include <unistd.h>
+#define SOCKET_ERROR -1
+#else
+#include <io.h> /* for 'write' in pute-function only */
+#include <winsock.h>
+#include <winbase.h>
+#endif
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+#ifdef UNIX
+#define sys_closesocket close
+#endif
+#ifdef NT
+#define sys_closesocket closesocket
+#endif
+
+/************************* oggcast~ object ******************************/
+
+/* Each instance of oggcast~ owns a "child" thread for doing the data
+transfer. The parent thread signals the child each time:
+ (1) a connection wants opening or closing;
+ (2) we've eaten another 1/16 of the shared buffer (so that the
+ child thread should check if it's time to receive some more.)
+The child signals the parent whenever a receive has completed. Signalling
+is done by setting "conditions" and putting data in mutex-controlled common
+areas.
+*/
+
+
+#define REQUEST_NOTHING 0
+#define REQUEST_CONNECT 1
+#define REQUEST_CLOSE 2
+#define REQUEST_QUIT 3
+#define REQUEST_BUSY 4
+#define REQUEST_DATA 5
+#define REQUEST_REINIT 6
+
+#define STATE_IDLE 0
+#define STATE_STARTUP 1 /* connecting and filling the buffer */
+#define STATE_STREAM 2 /* streaming aund audio output */
+
+#define READ 4096 /* amount of data we pass on to encoder */
+#define DEFBUFPERCHAN 262144 /* audio output buffer by default: 256k */
+#define MINBUFSIZE 65536
+#define MAXBUFSIZE 16777216 /* arbitrary; just don't want to hang malloc */
+#define STRBUF_SIZE 1024 /* char received from server on startup */
+#define MAXSTREAMCHANS 256 /* maximum number of channels: restricted by Pd? */
+#define UPDATE_INTERVAL 250 /* time in milliseconds between updates of output values */
+
+#ifdef __linux__ // 'real' linux only, not for OS X !
+#define SEND_OPT MSG_DONTWAIT|MSG_NOSIGNAL
+#else
+#define SEND_OPT 0
+#endif
+
+
+static char *oggcast_version = "oggcast~: ogg/vorbis streaming client version 0.2k, written by Olaf Matthes";
+
+static t_class *oggcast_class;
+
+typedef struct _oggcast
+{
+ t_object x_obj;
+ t_float *x_f;
+ t_clock *x_clock_connect;
+ t_clock *x_clock_pages;
+ t_outlet *x_connection; /* outlet for connection state */
+ t_outlet *x_outpages; /* outlet for no. of ogg pages */
+
+ t_float *x_buf; /* audio data buffer */
+ t_int x_bufsize; /* buffer size in bytes */
+ t_int x_ninlets; /* number of audio outlets */
+ t_sample **x_outvec; /* audio vectors */
+ t_int x_vecsize; /* vector size for transfers */
+ t_int x_state; /* opened, running, or idle */
+
+ /* parameters to communicate with subthread */
+ t_int x_requestcode; /* pending request from parent to I/O thread */
+ t_int x_connecterror; /* slot for "errno" return */
+
+ /* buffer stuff */
+ t_int x_fifosize; /* buffer size appropriately rounded down */
+ t_int x_fifohead; /* index of next byte to get from file */
+ t_int x_fifotail; /* index of next byte the ugen will read */
+ t_int x_sigcountdown; /* counter for signalling child for more data */
+ t_int x_sigperiod; /* number of ticks per signal */
+ t_int x_siginterval; /* number of times per buffer (depends on data rate) */
+
+ /* ogg/vorbis related stuff */
+ ogg_stream_state x_os; /* take physical pages, weld into a logical stream of packets */
+ ogg_page x_og; /* one Ogg bitstream page. Vorbis packets are inside */
+ ogg_packet x_op; /* one raw packet of data for decode */
+ vorbis_info x_vi; /* struct that stores all the static vorbis bitstream settings */
+ vorbis_comment x_vc; /* struct that stores all the user comments */
+ vorbis_dsp_state x_vd; /* central working state for the packet->PCM decoder */
+ vorbis_block x_vb; /* local working space for packet->PCM decode */
+
+ t_int x_eos; /* end of stream */
+ t_float x_pages; /* number of pages that have been output to server */
+ t_float x_lastpages;
+
+ /* ringbuffer stuff */
+ t_float *x_buffer; /* data to be buffered (ringbuffer)*/
+ t_int x_bytesbuffered; /* number of unprocessed bytes in buffer */
+
+ /* ogg/vorbis format stuff */
+ t_int x_samplerate; /* samplerate of stream (default = getsr() ) */
+ t_int x_skip; /* samples from input to skip (for resampling) */
+ t_float x_quality; /* desired quality level from 0.0 to 1.0 (lo to hi) */
+ t_int x_br_max; /* max. bitrate of ogg/vorbis stream */
+ t_int x_br_nom; /* nom. bitrate of ogg/vorbis stream */
+ t_int x_br_min; /* min. bitrate of ogg/vorbis stream */
+ t_int x_channels; /* number of channels (1 or 2) */
+ t_int x_vbr;
+
+ /* IceCast server stuff */
+ char* x_passwd; /* password for server */
+ char* x_bcname; /* name of broadcast */
+ char* x_bcurl; /* url of broadcast */
+ char* x_bcgenre; /* genre of broadcast */
+ char* x_bcdescription; /* description */
+ char* x_bcartist; /* artist */
+ char* x_bclocation;
+ char* x_bccopyright;
+ char* x_bcperformer;
+ char* x_bccontact;
+ char* x_bcdate; /* system date when broadcast started */
+ char* x_hostname; /* name or IP of host to connect to */
+ char* x_mountpoint; /* mountpoint for IceCast server */
+ t_float x_port; /* port number on which the connection is made */
+ t_int x_bcpublic; /* do(n't) publish broadcast on www.oggcast.com */
+ t_int x_servertype; /* type of server: 0 = JRoar or old Icecast2; 1 = new Icecast2 */
+
+
+
+
+ t_int x_connectstate; /* indicates to state of socket connection */
+ t_int x_outvalue; /* value that has last been output via outlet */
+ t_int x_fd; /* the socket number */
+ t_resample x_resample; /* resampling unit */
+ t_int x_recover; /* indicate how to behave on buffer underruns */
+
+ /* thread stuff */
+ pthread_mutex_t x_mutex;
+ pthread_cond_t x_requestcondition;
+ pthread_cond_t x_answercondition;
+ pthread_t x_childthread;
+} t_oggcast;
+
+
+static char base64table[65] = {
+ 'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P',
+ 'Q','R','S','T','U','V','W','X','Y','Z','a','b','c','d','e','f',
+ 'g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v',
+ 'w','x','y','z','0','1','2','3','4','5','6','7','8','9','+','/',
+};
+
+ /* This isn't efficient, but it doesn't need to be */
+char *oggcast_util_base64_encode(char *data)
+{
+ int len = strlen(data);
+ char *out = (char *)getbytes(len*4/3 + 4);
+ char *result = out;
+ int chunk;
+
+ while(len > 0) {
+ chunk = (len >3)?3:len;
+ *out++ = base64table[(*data & 0xFC)>>2];
+ *out++ = base64table[((*data & 0x03)<<4) | ((*(data+1) & 0xF0) >> 4)];
+
+ switch(chunk) {
+ case 3:
+ *out++ = base64table[((*(data+1) & 0x0F)<<2) | ((*(data+2) & 0xC0)>>6)];
+ *out++ = base64table[(*(data+2)) & 0x3F];
+ break;
+ case 2:
+ *out++ = base64table[((*(data+1) & 0x0F)<<2)];
+ *out++ = '=';
+ break;
+ case 1:
+ *out++ = '=';
+ *out++ = '=';
+ break;
+ }
+ data += chunk;
+ len -= chunk;
+ }
+ *out = 0;
+
+ return result;
+}
+
+ /* check server for writeability */
+static int oggcast_checkserver(t_int sock)
+{
+ fd_set fdset;
+ struct timeval ztout;
+ fd_set writeset;
+ fd_set exceptset;
+
+ FD_ZERO(&writeset);
+ FD_ZERO(&exceptset);
+ FD_SET(sock, &writeset );
+ FD_SET(sock, &exceptset );
+
+ if(select(sock+1, NULL, &writeset, &exceptset, &ztout) > 0)
+ {
+ if(!FD_ISSET(sock, &writeset))
+ {
+ post("oggcast~: can not write data to the server, quitting");
+ return -1;
+ }
+ if(FD_ISSET(sock, &exceptset))
+ {
+ post("oggcast~: socket returned an error, quitting");
+ return -1;
+ }
+ }
+ return 0;
+}
+
+ /* stream ogg/vorbis to IceCast2 server */
+static int oggcast_stream(t_oggcast *x, t_int fd)
+{
+ int err = -1; /* error return code */
+ int pages = 0;
+
+ /* write out pages (if any) */
+ while(!x->x_eos)
+ {
+ int result=ogg_stream_pageout(&(x->x_os),&(x->x_og));
+ if(result==0)break;
+ err = send(fd, x->x_og.header, x->x_og.header_len, SEND_OPT);
+ if(err < 0)
+ {
+ error("oggcast~: could not send ogg header to server (%d)", err);
+ x->x_eos = 1; /* indicate (artificial) end of stream */
+ return err;
+ }
+ err = send(fd, x->x_og.body, x->x_og.body_len, SEND_OPT);
+ if(err < 0)
+ {
+ error("oggcast~: could not send ogg body to server (%d)", err);
+ x->x_eos = 1; /* indicate (artificial) end of stream */
+ return err;
+ }
+ pages++; /* count number of pages */
+ /* there might be more than one pages we have to send */
+ if(ogg_page_eos(&(x->x_og)))x->x_eos=1;
+ }
+ return (pages);
+}
+
+ /* ogg/vorbis decoder setup */
+static int oggcast_vorbis_init(t_oggcast *x)
+{
+ int err = -1;
+
+ x->x_eos = 0;
+ x->x_skip = 1; /* assume no resampling */
+ /* choose an encoding mode */
+ vorbis_info_init(&(x->x_vi));
+
+ if(x->x_samplerate != sys_getsr()) /* downsampling for Oliver (http://radiostudio.org) */
+ {
+ if(sys_getsr() / x->x_samplerate == 2.0)
+ {
+ post("oggcast~: downsampling from %.0f to %d Hz", sys_getsr(), x->x_samplerate);
+ x->x_skip = 2;
+ }
+ else if(sys_getsr() / x->x_samplerate == 4.0)
+ {
+ post("oggcast~: downsampling from %.0f to %d Hz", sys_getsr(), x->x_samplerate);
+ x->x_skip = 4;
+ }
+ else if(sys_getsr() / x->x_samplerate == 3.0)
+ {
+ post("oggcast~: downsampling from %.0f to %d Hz", sys_getsr(), x->x_samplerate);
+ x->x_skip = 3;
+ } else post("oggcast~: warning: resampling from %.0f to %d not supported", sys_getsr(), x->x_samplerate);
+ }
+ if(x->x_vbr == 1)
+ { /* quality based setting */
+ if(vorbis_encode_init_vbr(&(x->x_vi), x->x_channels, x->x_samplerate, x->x_quality))
+ {
+ post("oggcast~: ogg/vorbis mode initialisation failed: invalid parameters for quality");
+ vorbis_info_clear(&(x->x_vi));
+ return (-1);
+ }
+ }
+ else
+ { /* bitrate based setting */
+ if(vorbis_encode_init(&(x->x_vi), x->x_channels, x->x_samplerate, x->x_br_max*1024, x->x_br_nom*1024, x->x_br_min*1024))
+ {
+ post("oggcast~: ogg/vorbis mode initialisation failed: invalid parameters for quality");
+ vorbis_info_clear(&(x->x_vi));
+ return (-1);
+ }
+ }
+
+ /* add a comment */
+ vorbis_comment_init(&(x->x_vc));
+ vorbis_comment_add_tag(&(x->x_vc),"TITLE", x->x_bcname);
+ vorbis_comment_add_tag(&(x->x_vc),"ARTIST", x->x_bcartist);
+ vorbis_comment_add_tag(&(x->x_vc),"GENRE",x->x_bcgenre);
+ vorbis_comment_add_tag(&(x->x_vc),"DESCRIPTION", x->x_bcdescription);
+ vorbis_comment_add_tag(&(x->x_vc),"LOCATION",x->x_bclocation);
+ vorbis_comment_add_tag(&(x->x_vc),"PERFORMER",x->x_bcperformer);
+ vorbis_comment_add_tag(&(x->x_vc),"COPYRIGHT",x->x_bccopyright);
+ vorbis_comment_add_tag(&(x->x_vc),"CONTACT",x->x_bccontact);
+ vorbis_comment_add_tag(&(x->x_vc),"DATE",x->x_bcdate);
+ vorbis_comment_add_tag(&(x->x_vc),"ENCODER","oggcast~ v0.2 for pure-data");
+
+ /* set up the analysis state and auxiliary encoding storage */
+ vorbis_analysis_init(&(x->x_vd),&(x->x_vi));
+ vorbis_block_init(&(x->x_vd),&(x->x_vb));
+
+ /* set up our packet->stream encoder */
+ /* pick a random serial number; that way we can more likely build
+ chained streams just by concatenation */
+ srand(time(NULL));
+ ogg_stream_init(&(x->x_os),rand());
+
+ /* Vorbis streams begin with three headers; the initial header (with
+ most of the codec setup parameters) which is mandated by the Ogg
+ bitstream spec. The second header holds any comment fields. The
+ third header holds the bitstream codebook. We merely need to
+ make the headers, then pass them to libvorbis one at a time;
+ libvorbis handles the additional Ogg bitstream constraints */
+
+ {
+ ogg_packet header;
+ ogg_packet header_comm;
+ ogg_packet header_code;
+
+ vorbis_analysis_headerout(&(x->x_vd),&(x->x_vc),&header,&header_comm,&header_code);
+ ogg_stream_packetin(&(x->x_os),&header); /* automatically placed in its own page */
+ ogg_stream_packetin(&(x->x_os),&header_comm);
+ ogg_stream_packetin(&(x->x_os),&header_code);
+
+ /* We don't have to write out here, but doing so makes streaming
+ * much easier, so we do, flushing ALL pages. This ensures the actual
+ * audio data will start on a new page
+ *
+ * IceCast2 server will take this as a first info about our stream
+ */
+ while(!x->x_eos)
+ {
+ int result=ogg_stream_flush(&(x->x_os),&(x->x_og));
+ if(result==0)break;
+ err = send(x->x_fd, x->x_og.header, x->x_og.header_len, SEND_OPT);
+ if(err < 0)
+ {
+ error("oggcast~: could not send ogg header to server (%d)", err);
+ x->x_eos = 1; /* indicate end of stream */
+ return (-1);
+ }
+ err = send(x->x_fd, x->x_og.body, x->x_og.body_len, SEND_OPT);
+ if(err < 0)
+ {
+ error("oggcast~: could not send ogg body to server (%d)", err);
+ x->x_eos = 1; /* indicate end of stream */
+ return (-1);
+ }
+ }
+ }
+ return (0);
+}
+
+ /* deinit the ogg/vorbis decoder */
+static void oggcast_vorbis_deinit(t_oggcast *x)
+{
+ vorbis_analysis_wrote(&(x->x_vd),0);
+ /* get rid of remaining data in encoder, if any */
+ while(vorbis_analysis_blockout(&(x->x_vd),&(x->x_vb))==1)
+ {
+ vorbis_analysis(&(x->x_vb),NULL);
+ vorbis_bitrate_addblock(&(x->x_vb));
+
+ while(vorbis_bitrate_flushpacket(&(x->x_vd),&(x->x_op)))
+ {
+ ogg_stream_packetin(&(x->x_os),&(x->x_op));
+ oggcast_stream(x, x->x_fd);
+ }
+ }
+ /* clean up and exit. vorbis_info_clear() must be called last */
+ ogg_stream_clear(&(x->x_os));
+ vorbis_block_clear(&(x->x_vb));
+ vorbis_dsp_clear(&(x->x_vd));
+ vorbis_comment_clear(&(x->x_vc));
+ vorbis_info_clear(&(x->x_vi));
+}
+
+ /* encode ogg/vorbis and stream new data */
+static int oggcast_encode(t_oggcast *x, float *buf, int channels, int fifosize, int fd)
+{
+ unsigned short i, ch;
+ int err = 0;
+ int n, pages = 0;
+
+ /* expose the buffer to submit data */
+ float **inbuffer=vorbis_analysis_buffer(&(x->x_vd),READ * channels);
+
+ /* read from buffer */
+ for(n = 0; n < READ; n++) /* fill encode buffer */
+ {
+ for(ch = 0; ch < channels; ch++)
+ {
+ inbuffer[ch][n] = *buf++;
+ }
+ }
+ /* tell the library how much we actually submitted */
+ vorbis_analysis_wrote(&(x->x_vd),n);
+
+ /* vorbis does some data preanalysis, then divvies up blocks for
+ more involved (potentially parallel) processing. Get a single
+ block for encoding now */
+ while(vorbis_analysis_blockout(&(x->x_vd),&(x->x_vb))==1)
+ {
+ /* analysis, assume we want to use bitrate management */
+ vorbis_analysis(&(x->x_vb),NULL);
+ vorbis_bitrate_addblock(&(x->x_vb));
+
+ while(vorbis_bitrate_flushpacket(&(x->x_vd),&(x->x_op)))
+ {
+ /* weld the packet into the bitstream */
+ ogg_stream_packetin(&(x->x_os),&(x->x_op));
+ err = oggcast_stream(x, fd); /* stream packet to server */
+ if(err >= 0)
+ {
+ pages += err; /* count pages */
+ }
+ else return (err);
+ }
+ }
+ return (pages);
+}
+
+ /* connect to icecast2 server */
+static int oggcast_child_connect(char *hostname, char *mountpoint, t_int portno,
+ char *passwd, char *bcname, char *bcurl,
+ char *bcgenre, t_int bcpublic, t_int br_nom, t_int servertype)
+{
+ struct sockaddr_in server;
+ struct hostent *hp;
+
+ /* variables used for communication with server */
+ const char * buf = 0;
+ char resp[STRBUF_SIZE];
+ unsigned int len;
+ fd_set fdset;
+ struct timeval tv;
+ t_int sockfd; /* our internal handle for the socket */
+ t_int ret;
+
+ sockfd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+ if (sockfd < 0)
+ {
+ error("oggcast~: internal error while attempting to open socket");
+ return (-1);
+ }
+
+ /* connect socket using hostname provided in command line */
+ server.sin_family = AF_INET;
+ hp = gethostbyname(hostname);
+ if (hp == 0)
+ {
+ post("oggcast~: bad host?");
+ sys_closesocket(sockfd);
+ return (-1);
+ }
+ memcpy((char *)&server.sin_addr, (char *)hp->h_addr, hp->h_length);
+
+ /* assign client port number */
+ server.sin_port = htons((unsigned short)portno);
+
+ /* try to connect. */
+ post("oggcast~: connecting to port %d", portno);
+ if (connect(sockfd, (struct sockaddr *) &server, sizeof (server)) < 0)
+ {
+ error("oggcast~: connection failed!\n");
+ sys_closesocket(sockfd);
+ return (-1);
+ }
+
+ /* sheck if we can read/write from/to the socket */
+ FD_ZERO( &fdset);
+ FD_SET( sockfd, &fdset);
+ tv.tv_sec = 0; /* seconds */
+ tv.tv_usec = 500; /* microseconds */
+
+ ret = select(sockfd + 1, &fdset, NULL, NULL, &tv);
+ if(ret != 0)
+ {
+ error("oggcast~: can not read from socket");
+ sys_closesocket(sockfd);
+ return (-1);
+ }
+
+ post("oggcast~: logging in to IceCast2 server...");
+ /* now try to log in at IceCast2 server using ICE/1.0 scheme */
+ if(servertype == 0)
+ {
+ /* send the request, a string like: "SOURCE /<mountpoint> ICE/1.0\n" */
+ buf = "SOURCE ";
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ buf = "/";
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ buf = mountpoint;
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ buf = " ICE/1.0";
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ /* send the ice headers */
+ /* password */
+ buf = "\nice-password: ";
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ buf = passwd;
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ /* name */
+ buf = "\r\nice-name: ";
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ buf = bcname;
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ /* url */
+ buf = "\r\nice-url: ";
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ buf = bcurl;
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ /* genre */
+ buf = "\r\nice-genre: ";
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ buf = bcgenre;
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ /* public */
+ buf = "\r\nice-public: ";
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ if(bcpublic==0) /* set the public flag for broadcast */
+ {
+ buf = "no";
+ }
+ else
+ {
+ buf ="yes";
+ }
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ /* bitrate */
+ buf = "\r\nice-bitrate: ";
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ if(sprintf(resp, "%d", br_nom) == -1) /* convert int to a string */
+ {
+ error("oggcast~: wrong bitrate");
+ }
+ send(sockfd, resp, strlen(resp), SEND_OPT);
+ /* description */
+ buf = "\r\nice-description: ";
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ buf = "ogg/vorbis streamed from pure-data with oggcast~";
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ /* end of header */
+ buf = "\r\n\r\n";
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ /* end login for IceCast using ICE/1.0 scheme */
+ }
+ else /* or try to log in at IceCast2 server using HTTP/1.0 base auth scheme */
+ {
+ /* send the request, a string like: "SOURCE /<mountpoint> HTTP/1.0\n\r" */
+ buf = "SOURCE /";
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ buf = mountpoint;
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ buf = " HTTP/1.0\r\n";
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ /* send basic authorization */
+ sprintf(resp, "source:%s", passwd);
+ buf = oggcast_util_base64_encode(resp);
+ sprintf(resp, "Authorization: Basic %s\r\n", buf);
+ send(sockfd, resp, strlen(resp), SEND_OPT);
+ /* send content type */
+ buf = "Content-Type: application/x-ogg";
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ /* send the ice headers */
+ /* password */
+ buf = "\r\nice-password: ";
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ buf = passwd;
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ /* name */
+ buf = "\r\nice-name: ";
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ buf = bcname;
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ /* url */
+ buf = "\r\nice-url: ";
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ buf = bcurl;
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ /* genre */
+ buf = "\r\nice-genre: ";
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ buf = bcgenre;
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ /* public */
+ buf = "\r\nice-public: ";
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ if(bcpublic==0) /* set the public flag for broadcast */
+ {
+ buf = "0";
+ }
+ else
+ {
+ buf = "1";
+ }
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ /* bitrate */
+ buf = "\r\nice-bitrate: ";
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ if(sprintf(resp, "%d", br_nom) == -1) /* convert int to a string */
+ {
+ error("oggcast~: wrong bitrate");
+ }
+ send(sockfd, resp, strlen(resp), SEND_OPT);
+ /* description */
+ buf = "\r\nice-description: ";
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ buf = "Ogg/Vorbis streamed from PureData with oggcast~\r\n";
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ /* end of header: write an empty line */
+ buf = "\r\n";
+ send(sockfd, buf, strlen(buf), SEND_OPT);
+ /* end login for IceCast2 using ICE/1.0 scheme */
+ }
+
+ /* check if we can write to server */
+ if(oggcast_checkserver(sockfd)!= 0)
+ {
+ post("oggcast~: error: server refused to receive data");
+ return (-1);
+ }
+
+ post("oggcast~: logged in to http://%s:%d/%s", hp->h_name, portno, mountpoint);
+
+ return (sockfd);
+}
+
+
+
+static void oggcast_child_disconnect(t_int fd)
+{
+ sys_closesocket(fd);
+ post("oggcast~: connection closed");
+}
+/************** the child thread which performs data I/O ***********/
+
+#if 0 /* set this to 1 to get debugging output */
+static void pute(char *s) /* debug routine */
+{
+ write(2, s, strlen(s));
+}
+#else
+#define pute(x)
+#endif
+
+#if 1
+#define oggcast_cond_wait pthread_cond_wait
+#define oggcast_cond_signal pthread_cond_signal
+#else
+#include <sys/time.h> /* debugging version... */
+#include <sys/types.h>
+static void oggcast_fakewait(pthread_mutex_t *b)
+{
+ struct timeval timout;
+ timout.tv_sec = 0;
+ timout.tv_usec = 1000000;
+ pthread_mutex_unlock(b);
+ select(0, 0, 0, 0, &timout);
+ pthread_mutex_lock(b);
+}
+
+void oggcast_banana( void)
+{
+ struct timeval timout;
+ timout.tv_sec = 0;
+ timout.tv_usec = 200000;
+ pute("banana1\n");
+ select(0, 0, 0, 0, &timout);
+ pute("banana2\n");
+}
+
+
+#define oggcast_cond_wait(a,b) oggcast_fakewait(b)
+#define oggcast_cond_signal(a)
+#endif
+
+static void *oggcast_child_main(void *zz)
+{
+ t_oggcast *x = zz;
+ time_t now; /* to get the time */
+ pute("1\n");
+ pthread_mutex_lock(&x->x_mutex);
+ while (1)
+ {
+ int fd, fifotail;
+ pute("0\n");
+ if (x->x_requestcode == REQUEST_NOTHING)
+ {
+ pute("wait 2\n");
+ oggcast_cond_signal(&x->x_answercondition);
+ oggcast_cond_wait(&x->x_requestcondition, &x->x_mutex);
+ pute("3\n");
+ }
+ // connect to Icecast2 server
+ else if (x->x_requestcode == REQUEST_CONNECT)
+ {
+ char boo[100];
+ int sysrtn, wantbytes;
+
+ /* copy connect stuff out of the data structure so we can
+ relinquish the mutex while we're connecting to server. */
+ char *hostname = x->x_hostname;
+ char *mountpoint = x->x_mountpoint;
+ t_int portno = x->x_port;
+ char *passwd = x->x_passwd;
+ char *bcname = x->x_bcname;
+ char *bcgenre = x->x_bcgenre;
+ char *bcurl = x->x_bcurl;
+ t_int bcpublic = x->x_bcpublic;
+ t_int br_nom = x->x_br_nom;
+ t_int servertype = x->x_servertype;
+ /* alter the request code so that an ensuing "open" will get
+ noticed. */
+ pute("4\n");
+ x->x_requestcode = REQUEST_BUSY;
+ x->x_connecterror = 0;
+
+ /* open the socket with the mutex unlocked in case
+ we're not already connected */
+ if(x->x_fd < 0)
+ {
+ pthread_mutex_unlock(&x->x_mutex);
+ fd = oggcast_child_connect(hostname, mountpoint, portno, passwd, bcname,
+ bcurl, bcgenre, bcpublic, br_nom, servertype);
+ pthread_mutex_lock(&x->x_mutex);
+ pute("5\n");
+ /* copy back into the instance structure. */
+ x->x_connectstate = 1;
+ clock_delay(x->x_clock_connect, 0);
+ x->x_fd = fd;
+ if (fd < 0)
+ {
+ x->x_connecterror = fd;
+ x->x_connectstate = 0;
+ clock_delay(x->x_clock_connect, 0);
+ pute("connect failed\n");
+ goto lost;
+ }
+ else
+ {
+ /* get the time for the DATE comment */
+ now=time(NULL);
+ x->x_bcdate = ctime(&now);
+ x->x_pages = 0;
+ clock_delay(x->x_clock_pages, 0);
+ /* initialise the encoder */
+ if(oggcast_vorbis_init(x) == 0)
+ {
+ post("oggcast~: ogg/vorbis encoder initialised");
+ x->x_eos = 0;
+ x->x_state = STATE_STREAM;
+ }
+ else
+ {
+ post("oggcast~: could not init encoder");
+ oggcast_child_disconnect(fd);
+ post("oggcast~: connection closed due to initialisation error");
+ x->x_fd = -1;
+ x->x_connectstate = 0;
+ clock_delay(x->x_clock_connect, 0);
+ pute("oggcast~: initialisation failed\n");
+ goto lost;
+ }
+ }
+ x->x_fifotail = fifotail = 0;
+ /* set fifosize from bufsize. fifosize must be a
+ multiple of the number of bytes eaten for each DSP
+ tick. We pessimistically assume MAXVECSIZE samples
+ per tick since that could change. There could be a
+ problem here if the vector size increases while a
+ stream is being played... */
+ x->x_fifosize = x->x_bufsize - (x->x_bufsize % (x->x_channels * READ));
+ /* arrange for the "request" condition to be signalled x->x_siginterval
+ times per buffer */
+ sprintf(boo, "fifosize %d\n", x->x_fifosize);
+ pute(boo);
+ x->x_sigcountdown = x->x_sigperiod = (x->x_fifosize / (x->x_siginterval * x->x_channels * x->x_vecsize));
+ }
+ /* check if another request has been made; if so, field it */
+ if (x->x_requestcode != REQUEST_BUSY)
+ goto lost;
+ pute("6\n");
+
+ while (x->x_requestcode == REQUEST_BUSY)
+ {
+ int fifosize = x->x_fifosize, fifotail, channels;
+ float *buf = x->x_buf;
+ pute("77\n");
+
+ /* if the head is < the tail, we can immediately write
+ from tail to end of fifo to disk; otherwise we hold off
+ writing until there are at least WRITESIZE bytes in the
+ buffer */
+ if (x->x_fifohead < x->x_fifotail ||
+ x->x_fifohead >= x->x_fifotail + (READ * x->x_channels)
+ || (x->x_requestcode == REQUEST_CLOSE &&
+ x->x_fifohead != x->x_fifotail))
+ { /* encode audio and send to server */
+ pute("8\n");
+ fifotail = x->x_fifotail;
+ channels = x->x_channels;
+ fd = x->x_fd;
+ pthread_mutex_unlock(&x->x_mutex);
+ sysrtn = oggcast_encode(x, buf + fifotail, channels, fifosize, fd);
+ pthread_mutex_lock(&x->x_mutex);
+ if (x->x_requestcode != REQUEST_BUSY &&
+ x->x_requestcode != REQUEST_CLOSE)
+ break;
+ if (sysrtn < 0)
+ {
+ post("oggcast~: closing due to error...");
+ goto lost;
+ }
+ else
+ {
+ x->x_fifotail += (READ * x->x_channels);
+ x->x_pages += sysrtn;
+ if (x->x_fifotail >= fifosize)
+ x->x_fifotail = 0;
+ }
+ sprintf(boo, "after: head %d, tail %d, pages %d\n", x->x_fifohead, x->x_fifotail, sysrtn);
+ pute(boo);
+ }
+ else /* just wait... */
+ {
+ pute("wait 7a ...\n");
+ oggcast_cond_signal(&x->x_answercondition);
+ pute("signalled\n");
+ oggcast_cond_wait(&x->x_requestcondition,
+ &x->x_mutex);
+ pute("7a done\n");
+ continue;
+ }
+ /* signal parent in case it's waiting for data */
+ oggcast_cond_signal(&x->x_answercondition);
+ }
+ }
+
+ /* reinit encoder (settings have changed) */
+ else if (x->x_requestcode == REQUEST_REINIT)
+ {
+ pthread_mutex_unlock(&x->x_mutex);
+ oggcast_vorbis_deinit(x);
+ oggcast_vorbis_init(x);
+ pthread_mutex_lock(&x->x_mutex);
+ post("oggcast~: ogg/vorbis encoder reinitialised");
+ x->x_state = STATE_STREAM;
+ if (x->x_requestcode == REQUEST_REINIT)
+ x->x_requestcode = REQUEST_CONNECT;
+ oggcast_cond_signal(&x->x_answercondition);
+ }
+ /* close connection to server (disconnect) */
+ else if (x->x_requestcode == REQUEST_CLOSE)
+ {
+lost:
+ x->x_state = STATE_IDLE;
+ if (x->x_fd >= 0)
+ {
+ fd = x->x_fd;
+ pthread_mutex_unlock(&x->x_mutex);
+ oggcast_vorbis_deinit(x);
+ oggcast_child_disconnect(fd);
+ pthread_mutex_lock(&x->x_mutex);
+ x->x_fd = -1;
+ }
+ if (x->x_requestcode == REQUEST_CLOSE)
+ x->x_requestcode = REQUEST_NOTHING;
+ if (x->x_requestcode == REQUEST_BUSY) /* disconnect due to error */
+ x->x_requestcode = REQUEST_NOTHING;
+ x->x_connectstate = 0;
+ clock_delay(x->x_clock_connect, 0);
+ x->x_eos = 1;
+ oggcast_cond_signal(&x->x_answercondition);
+ }
+ // quit everything
+ else if (x->x_requestcode == REQUEST_QUIT)
+ {
+ x->x_state = STATE_IDLE;
+ if (x->x_fd >= 0)
+ {
+ fd = x->x_fd;
+ pthread_mutex_unlock(&x->x_mutex);
+ oggcast_vorbis_deinit(x);
+ oggcast_child_disconnect(fd);
+ pthread_mutex_lock(&x->x_mutex);
+ x->x_fd = -1;
+ }
+ x->x_connectstate = 0;
+ clock_delay(x->x_clock_connect, 0);
+ x->x_requestcode = REQUEST_NOTHING;
+ oggcast_cond_signal(&x->x_answercondition);
+ break;
+ }
+ else
+ {
+ pute("13\n");
+ }
+ }
+ pute("thread exit\n");
+ pthread_mutex_unlock(&x->x_mutex);
+ return (0);
+}
+
+/******** the object proper runs in the calling (parent) thread ****/
+
+static void oggcast_tick_connect(t_oggcast *x)
+{
+ pthread_mutex_lock(&x->x_mutex);
+ outlet_float(x->x_connection, x->x_connectstate);
+ pthread_mutex_unlock(&x->x_mutex);
+}
+
+static void oggcast_tick_pages(t_oggcast *x)
+{
+ /* output new no. of pages if anything changed */
+ t_float pages;
+ pthread_mutex_lock(&x->x_mutex);
+ pages = x->x_pages; /* get current value with mutex locked */
+ pthread_mutex_unlock(&x->x_mutex);
+ if(pages != x->x_lastpages)
+ {
+ outlet_float(x->x_outpages, pages);
+ x->x_lastpages = pages;
+ }
+ clock_delay(x->x_clock_pages, UPDATE_INTERVAL); /* come back again... */
+}
+
+static void *oggcast_new(t_floatarg fnchannels, t_floatarg fbufsize)
+{
+ t_oggcast *x;
+ int nchannels = fnchannels, bufsize = fbufsize * 1024, i;
+ float *buf;
+
+ if (nchannels < 1)
+ nchannels = 2; /* two channels as default */
+ else if (nchannels > MAXSTREAMCHANS)
+ nchannels = MAXSTREAMCHANS;
+ /* check / set buffer size */
+ if (bufsize <= 0) bufsize = DEFBUFPERCHAN * nchannels;
+ else if (bufsize < MINBUFSIZE)
+ bufsize = MINBUFSIZE;
+ else if (bufsize > MAXBUFSIZE)
+ bufsize = MAXBUFSIZE;
+ buf = getbytes(bufsize*sizeof(t_float));
+ if (!buf) return (0);
+
+ x = (t_oggcast *)pd_new(oggcast_class);
+
+ for (i = 1; i < nchannels; i++)
+ inlet_new (&x->x_obj, &x->x_obj.ob_pd, gensym ("signal"), gensym ("signal"));
+ x->x_connection = outlet_new(&x->x_obj, gensym("float"));
+ x->x_outpages = outlet_new(&x->x_obj, gensym("float"));
+ x->x_ninlets = nchannels;
+ x->x_outvec = getbytes(nchannels*sizeof(t_sample *));
+ x->x_clock_connect = clock_new(x, (t_method)oggcast_tick_connect);
+ x->x_clock_pages = clock_new(x, (t_method)oggcast_tick_pages);
+
+ pthread_mutex_init(&x->x_mutex, 0);
+ pthread_cond_init(&x->x_requestcondition, 0);
+ pthread_cond_init(&x->x_answercondition, 0);
+
+ x->x_vecsize = 2;
+ x->x_state = STATE_IDLE;
+ x->x_buf = buf;
+ x->x_bufsize = bufsize;
+ x->x_siginterval = 32; /* signal 32 times per buffer */
+ /* I found this to be most efficient on my machine */
+ x->x_fifosize = x->x_fifohead = x->x_fifotail = x->x_requestcode = 0;
+
+ x->x_connectstate = 0; /* indicating state of connection */
+ x->x_outvalue = 0; /* value at output currently is 0 */
+
+ x->x_samplerate = sys_getsr();
+ x->x_resample.upsample = x->x_resample.downsample = 1; /* don't resample */
+
+
+ x->x_fd = -1;
+ x->x_eos = 0;
+ x->x_vbr = 1; /* use the vbr setting by default */
+ x->x_passwd = "letmein";
+ x->x_samplerate = sys_getsr(); /* default to Pd's sampling rate */
+ x->x_skip = 1; /* no resampling supported */
+ x->x_quality = 0.4; /* quality 0.4 gives roughly 128kbps VBR stream */
+ x->x_channels = nchannels; /* stereo */
+ x->x_br_max = 144;
+ x->x_br_nom = 128;
+ x->x_br_min = 96;
+ x->x_pages = x->x_lastpages = 0;
+ x->x_bcname = "ogg/vorbis stream";
+ x->x_bcurl = "http://www.akustische-kunst.org/puredata/";
+ x->x_bcgenre = "experimental";
+ x->x_bcdescription = "ogg/vorbis stream emitted from pure-data with oggcast~";
+ x->x_bcartist = "Pd and oggcast~ v0.2";
+ x->x_bclocation = x->x_bcurl;
+ x->x_bccopyright = "";
+ x->x_bcperformer = "";
+ x->x_bccontact = "";
+ x->x_bcdate = "";
+ x->x_bcpublic = 1;
+ x->x_mountpoint = "puredata.ogg";
+ x->x_servertype = 1; /* HTTP/1.0 protocol for Icecast2 */
+
+ post(oggcast_version);
+ post("oggcast~: set buffer to %dk bytes", bufsize / 1024);
+ post("oggcast~: encoding %d channels @ %d Hz", x->x_channels, x->x_samplerate);
+
+ clock_delay(x->x_clock_pages, 0);
+ pthread_create(&x->x_childthread, 0, oggcast_child_main, x);
+ return (x);
+}
+
+static t_int *oggcast_perform(t_int *w)
+{
+ t_oggcast *x = (t_oggcast *)(w[1]);
+ int vecsize = x->x_vecsize, ninlets = x->x_ninlets, channels = x->x_channels, i, j, skip = x->x_skip;
+ float *sp = x->x_buf;
+ pthread_mutex_lock(&x->x_mutex);
+ if (x->x_state != STATE_IDLE)
+ {
+ int wantbytes;
+ /* get 'wantbytes' bytes from inlet */
+ wantbytes = channels * vecsize / skip; /* we'll get vecsize bytes per channel */
+ /* check if there is enough space in buffer to write all samples */
+ while (x->x_fifotail > x->x_fifohead &&
+ x->x_fifotail < x->x_fifohead + wantbytes + 1)
+ {
+ pute("wait...\n");
+ oggcast_cond_signal(&x->x_requestcondition);
+ oggcast_cond_wait(&x->x_answercondition, &x->x_mutex);
+ pute("done\n");
+ }
+
+ /* output audio */
+ sp += x->x_fifohead;
+
+ if(ninlets >= channels)
+ {
+ for(j = 0; j < vecsize; j += skip)
+ {
+ for(i = 0; i < channels; i++)
+ {
+ *sp++ = x->x_outvec[i][j];
+ }
+ }
+ }
+ else if(channels == ninlets * 2) /* convert mono -> stereo */
+ {
+ for(j = 0; j < vecsize; j += skip)
+ {
+ for(i = 0; i < ninlets; i++)
+ {
+ *sp++ = x->x_outvec[i][j];
+ *sp++ = x->x_outvec[i][j];
+ }
+ }
+ }
+
+
+ x->x_fifohead += wantbytes;
+ if (x->x_fifohead >= x->x_fifosize)
+ x->x_fifohead = 0;
+ /* signal the child thread */
+ if ((--x->x_sigcountdown) <= 0)
+ {
+ pute("signal 1\n");
+ oggcast_cond_signal(&x->x_requestcondition);
+ x->x_sigcountdown = x->x_sigperiod;
+ }
+ }
+
+ pthread_mutex_unlock(&x->x_mutex);
+
+ return (w+2);
+}
+
+
+static void oggcast_disconnect(t_oggcast *x)
+{
+ /* LATER rethink whether you need the mutex just to set a variable? */
+ pthread_mutex_lock(&x->x_mutex);
+ if(x->x_fd >= 0)
+ {
+ x->x_state = STATE_IDLE;
+ x->x_requestcode = REQUEST_CLOSE;
+ oggcast_cond_signal(&x->x_requestcondition);
+ }
+ else post("oggcast~: not connected");
+ pthread_mutex_unlock(&x->x_mutex);
+}
+
+
+ /* connect method. Called as:
+ connect <hostname or IP> <mountpoint> <portnumber>
+ */
+
+static void oggcast_connect(t_oggcast *x, t_symbol *s, int argc, t_atom *argv)
+{
+ t_symbol *hostsym = atom_getsymbolarg(0, argc, argv);
+ t_symbol *mountsym = atom_getsymbolarg(1, argc, argv);
+ t_float portno = atom_getfloatarg(2, argc, argv);
+ if (!*hostsym->s_name) /* check for hostname */
+ return;
+ if (!portno) /* check wether the portnumber is specified */
+ portno = 8000; /* ...assume port 8000 as standard */
+ pthread_mutex_lock(&x->x_mutex);
+ if(x->x_fd >= 0)
+ {
+ post("oggcast~: already connected");
+ }
+ else
+ {
+ x->x_requestcode = REQUEST_CONNECT;
+ x->x_hostname = hostsym->s_name;
+ x->x_mountpoint = mountsym->s_name;
+ x->x_port = portno;
+
+ x->x_fifotail = 0;
+ x->x_fifohead = 0;
+ // if(x->x_recover != 1)x->x_fifobytes = 0;
+
+ x->x_connecterror = 0;
+ x->x_state = STATE_STARTUP;
+ oggcast_cond_signal(&x->x_requestcondition);
+ }
+ pthread_mutex_unlock(&x->x_mutex);
+}
+
+static void oggcast_float(t_oggcast *x, t_floatarg f)
+{
+ if (f != 0)
+ {
+ pthread_mutex_lock(&x->x_mutex);
+ if(x->x_fd >= 0)
+ {
+ post("oggcast~: already connected");
+ }
+ else
+ {
+ if(x->x_recover != 1)
+ {
+ x->x_fifotail = 0;
+ x->x_fifohead = 0;
+ }
+ x->x_requestcode = REQUEST_CONNECT;
+
+ x->x_fifotail = 0;
+ x->x_fifohead = 0;
+
+ x->x_connecterror = 0;
+ x->x_state = STATE_STARTUP;
+ oggcast_cond_signal(&x->x_requestcondition);
+ }
+ pthread_mutex_unlock(&x->x_mutex);
+ }
+ else oggcast_disconnect(x);
+}
+
+static void oggcast_dsp(t_oggcast *x, t_signal **sp)
+{
+ int i, ninlets = x->x_ninlets;
+ pthread_mutex_lock(&x->x_mutex);
+ x->x_vecsize = sp[0]->s_n;
+
+ x->x_sigperiod = (x->x_fifosize / (x->x_siginterval * ninlets * x->x_vecsize));
+ for (i = 0; i < ninlets; i++)
+ x->x_outvec[i] = sp[i]->s_vec;
+ pthread_mutex_unlock(&x->x_mutex);
+ dsp_add(oggcast_perform, 1, x);
+}
+
+ /* set password for oggcast server */
+static void oggcast_password(t_oggcast *x, t_symbol *password)
+{
+ pthread_mutex_lock(&x->x_mutex);
+ x->x_passwd = password->s_name;
+ pthread_mutex_unlock(&x->x_mutex);
+}
+ /* set comment fields for header (reads in just anything) */
+static void oggcast_comment(t_oggcast *x, t_symbol *s, t_int argc, t_atom* argv)
+{
+ t_binbuf *b = binbuf_new();
+ char* comment;
+ int length;
+ binbuf_add(b, argc, argv);
+ binbuf_gettext(b, &comment, &length);
+
+ pthread_mutex_lock(&x->x_mutex);
+ if(strstr(s->s_name, "ARTIST"))
+ {
+ strcpy(x->x_bcartist, comment);
+ post("oggcast~: ARTIST = %s", x->x_bcartist);
+ }
+ else if(strstr(s->s_name, "GENRE"))
+ {
+ strcpy(x->x_bcgenre, comment);
+ post("oggcast~: GENRE = %s", x->x_bcgenre);
+ }
+ else if(strstr(s->s_name, "TITLE"))
+ {
+ strcpy(x->x_bcname, comment);
+ post("oggcast~: TITLE = %s", x->x_bcname);
+ }
+ else if(strstr(s->s_name, "PERFORMER"))
+ {
+ strcpy(x->x_bcperformer, comment);
+ post("oggcast~: PERFORMER = %s", x->x_bcperformer);
+ }
+ else if(strstr(s->s_name, "LOCATION"))
+ {
+ strcpy(x->x_bclocation, comment);
+ post("oggcast~: LOCATION = %s", x->x_bclocation);
+ }
+ else if(strstr(s->s_name, "COPYRIGHT"))
+ {
+ strcpy(x->x_bccopyright, comment);
+ post("oggcast~: COPYRIGHT = %s", x->x_bccopyright);
+ }
+ else if(strstr(s->s_name, "CONTACT"))
+ {
+ strcpy(x->x_bccontact, comment);
+ post("oggcast~: CONTACT = %s", x->x_bccontact);
+ }
+ else if(strstr(s->s_name, "DESCRIPTION"))
+ {
+ strcpy(x->x_bcdescription, comment);
+ post("oggcast~: DESCRIPTION = %s", x->x_bcdescription);
+ }
+ else if(strstr(s->s_name, "DATE"))
+ {
+ strcpy(x->x_bcdate, comment);
+ post("oggcast~: DATE = %s", x->x_bcdate);
+ }
+ else post("oggcast~: no method for %s", s->s_name);
+ if(x->x_state == STATE_STREAM)
+ {
+ x->x_state = STATE_IDLE;
+ x->x_requestcode = REQUEST_REINIT;
+ oggcast_cond_signal(&x->x_requestcondition);
+ }
+ pthread_mutex_unlock(&x->x_mutex);
+ freebytes(comment, strlen(comment));
+ binbuf_free(b);
+}
+ /* settings for variable bitrate encoding */
+static void oggcast_vbr(t_oggcast *x, t_floatarg fsr, t_floatarg fchannels,
+ t_floatarg fquality)
+{
+ pthread_mutex_lock(&x->x_mutex);
+ x->x_vbr = 1;
+ x->x_samplerate = (t_int)fsr;
+ x->x_quality = fquality;
+ x->x_channels = (t_int)fchannels;
+ post("oggcast~: %d channels @ %d Hz, quality %.2f", x->x_channels, x->x_samplerate, x->x_quality);
+ if(x->x_state == STATE_STREAM)
+ {
+ x->x_state = STATE_IDLE;
+ x->x_requestcode = REQUEST_REINIT;
+ oggcast_cond_signal(&x->x_requestcondition);
+ }
+ pthread_mutex_unlock(&x->x_mutex);
+}
+
+ /* settings for bitrate-based vbr encoding */
+static void oggcast_vorbis(t_oggcast *x, t_floatarg fsr, t_floatarg fchannels,
+ t_floatarg fmax, t_floatarg fnom, t_floatarg fmin)
+{
+ pthread_mutex_lock(&x->x_mutex);
+ x->x_vbr = 0;
+ x->x_samplerate = (t_int)fsr;
+ x->x_channels = (t_int)fchannels;
+ x->x_br_max = (t_int)fmax;
+ x->x_br_nom = (t_int)fnom;
+ x->x_br_min = (t_int)fmin;
+ post("oggcast~: %d channels @ %d Hz, bitrates: max. %d / nom. %d / min. %d",
+ x->x_channels, x->x_samplerate, x->x_br_max, x->x_br_nom, x->x_br_min);
+ if(x->x_state == STATE_STREAM)
+ {
+ x->x_state = STATE_IDLE;
+ x->x_requestcode = REQUEST_REINIT;
+ oggcast_cond_signal(&x->x_requestcondition);
+ }
+ pthread_mutex_unlock(&x->x_mutex);
+}
+ /* select server type */
+static void oggcast_server(t_oggcast *x, t_floatarg f)
+{
+ pthread_mutex_lock(&x->x_mutex);
+ if(f)
+ {
+ x->x_servertype = 1;
+ post("oggcast~: set server type to new Icecast2 (HTTP/1.0 scheme)");
+ }
+ else
+ {
+ x->x_servertype = 0;
+ post("oggcast~: set server type to JRoar (ICE/1.0 scheme)");
+ }
+ pthread_mutex_unlock(&x->x_mutex);
+}
+ /* print settings to pd's console window */
+static void oggcast_print(t_oggcast *x)
+{
+ pthread_mutex_lock(&x->x_mutex);
+ if(x->x_servertype)
+ post("oggcast~: server type is Icecast2");
+ else
+ post("oggcast~: server type is JRoar");
+ post("oggcast~: mountpoint at Icecast2: %s", x->x_mountpoint);
+ if(x->x_vbr == 1)
+ {
+ post("oggcast~: Ogg Vorbis encoder: %d channels @ %d Hz, quality %.2f", x->x_channels, x->x_samplerate, x->x_quality);
+ }
+ else
+ {
+ post("oggcast~: Ogg Vorbis encoder: %d channels @ %d Hz, bitrates: max. %d, nom. %d, min. %d",
+ x->x_channels, x->x_samplerate, x->x_br_max, x->x_br_nom, x->x_br_min);
+ }
+ post("oggcast~: Ogg Vorbis comments:");
+ post(" TITLE = %s", x->x_bcname);
+ post(" ARTIST = %s", x->x_bcartist);
+ post(" PERFORMER = %s", x->x_bcperformer);
+ post(" GENRE = %s", x->x_bcgenre);
+ post(" LOCATION = %s", x->x_bclocation);
+ post(" COPYRIGHT = %s", x->x_bccopyright);
+ post(" CONTACT = %s", x->x_bccontact);
+ post(" DESCRIPTION = %s", x->x_bcdescription);
+ post(" DATE = %s", x->x_bcdate);
+ pthread_mutex_unlock(&x->x_mutex);
+}
+
+
+static void oggcast_free(t_oggcast *x)
+{
+ /* request QUIT and wait for acknowledge */
+ void *threadrtn;
+ pthread_mutex_lock(&x->x_mutex);
+ x->x_requestcode = REQUEST_QUIT;
+ post("stopping oggcast thread...");
+ oggcast_cond_signal(&x->x_requestcondition);
+ while (x->x_requestcode != REQUEST_NOTHING)
+ {
+ post("signalling...");
+ oggcast_cond_signal(&x->x_requestcondition);
+ oggcast_cond_wait(&x->x_answercondition, &x->x_mutex);
+ }
+ pthread_mutex_unlock(&x->x_mutex);
+ if (pthread_join(x->x_childthread, &threadrtn))
+ error("oggcast_free: join failed");
+ post("... done.");
+
+ pthread_cond_destroy(&x->x_requestcondition);
+ pthread_cond_destroy(&x->x_answercondition);
+ pthread_mutex_destroy(&x->x_mutex);
+ freebytes(x->x_buf, x->x_bufsize*sizeof(t_float));
+ freebytes(x->x_outvec, x->x_ninlets*sizeof(t_sample *));
+ clock_free(x->x_clock_connect);
+ clock_free(x->x_clock_pages);
+}
+
+void oggcast_tilde_setup(void)
+{
+ oggcast_class = class_new(gensym("oggcast~"), (t_newmethod)oggcast_new,
+ (t_method)oggcast_free, sizeof(t_oggcast), 0, A_DEFFLOAT, A_DEFFLOAT, 0);
+ CLASS_MAINSIGNALIN(oggcast_class, t_oggcast, x_f );
+ class_addfloat(oggcast_class, (t_method)oggcast_float);
+ class_addmethod(oggcast_class, (t_method)oggcast_disconnect, gensym("disconnect"), 0);
+ class_addmethod(oggcast_class, (t_method)oggcast_dsp, gensym("dsp"), 0);
+ class_addmethod(oggcast_class, (t_method)oggcast_connect, gensym("connect"), A_GIMME, 0);
+ class_addmethod(oggcast_class, (t_method)oggcast_print, gensym("print"), 0);
+ class_addmethod(oggcast_class, (t_method)oggcast_password, gensym("passwd"), A_SYMBOL, 0);
+ class_addmethod(oggcast_class, (t_method)oggcast_vorbis, gensym("vorbis"), A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT, 0);
+ class_addmethod(oggcast_class, (t_method)oggcast_vbr, gensym("vbr"), A_FLOAT, A_FLOAT, A_FLOAT, 0);
+ class_addmethod(oggcast_class, (t_method)oggcast_server, gensym("server"), A_FLOAT, 0);
+ class_addanything(oggcast_class, oggcast_comment);
+ class_sethelpsymbol(oggcast_class, gensym("help-oggcast~.pd"));
+}
\ No newline at end of file |