From d145fa6f792d6c44da2feec90507adb94e40323e Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Sun, 31 Jul 2011 03:59:16 +0000 Subject: got everything building using the template Makefile svn path=/trunk/externals/unauthorized/; revision=15173 --- mp3amp~.c | 1262 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1262 insertions(+) create mode 100644 mp3amp~.c (limited to 'mp3amp~.c') diff --git a/mp3amp~.c b/mp3amp~.c new file mode 100644 index 0000000..9dfc54e --- /dev/null +++ b/mp3amp~.c @@ -0,0 +1,1262 @@ +/* ------------------------- mp3amp~ ------------------------------------------ */ +/* */ +/* Tilde object to receive an mp3-stream from a shoutcast/icecast server. */ +/* Written by Yves Degoyon (ydegoyon@free.fr). */ +/* Get source at http://ydegoyon.free.fr */ +/* */ +/* 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 LAME MPEG 1 Layer 3 encoding library which can be found at */ +/* http://www.mp3dev.org */ +/* */ +/* ---------------------------------------------------------------------------- */ + +#include +#include "m_imp.h" +#include "g_canvas.h" +#include "s_stuff.h" +#include "pthread.h" + +#include +#include +#include +#include +#include +#include "mpg123.h" /* mpg123 decoding library from lame 3.92 */ +#include "mpglib.h" /* mpglib decoding library from lame 3.92 */ +#include "interface.h" /* mpglib decoding library from lame 3.92 */ +#ifdef _WIN32 +#include +#include +#include +#else +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#define SOCKET_ERROR -1 +#endif /* _WIN32 */ + +#ifdef _MSC_VER +#pragma warning( disable : 4244 ) +#pragma warning( disable : 4305 ) +#endif + +#if defined(__APPLE__) || defined(WIN32) +#define MSG_NOSIGNAL 0 +#endif +#ifdef UNIX +#define STRDUP strdup +#endif +#ifdef WIN32 +#define STRDUP _strdup +#define sys_closesocket closesocket +#endif + + +#define LAME_AUDIO_CHUNK_SIZE 1152 +#define MIN_AUDIO_INPUT 2*LAME_AUDIO_CHUNK_SIZE /* we must have at least n chunks to play a steady sound */ +#define INPUT_BUFFER_SIZE 131072 /* data received on the socket : 128k */ +#define OUTPUT_BUFFER_SIZE 131072 /* audio output buffer : 128k */ +#define DECODE_PACKET_SIZE 131072 /* size of the data returned by mpglib : 128k */ +#define STRBUF_SIZE 4096 /* char received from server on startup */ +#define MAX_DECODERS 50 +#define BARHEIGHT 10 + +static int guidebug=0; + +#define SYS_VGUI2(a,b) if (guidebug) \ + post(a,b);\ + sys_vgui(a,b) + +#define SYS_VGUI3(a,b,c) if (guidebug) \ + post(a,b,c);\ + sys_vgui(a,b,c) + +#define SYS_VGUI4(a,b,c,d) if (guidebug) \ + post(a,b,c,d);\ + sys_vgui(a,b,c,d) + +#define SYS_VGUI5(a,b,c,d,e) if (guidebug) \ + post(a,b,c,d,e);\ + sys_vgui(a,b,c,d,e) + +#define SYS_VGUI6(a,b,c,d,e,f) if (guidebug) \ + post(a,b,c,d,e,f);\ + sys_vgui(a,b,c,d,e,f) + +#define SYS_VGUI7(a,b,c,d,e,f,g) if (guidebug) \ + post(a,b,c,d,e,f,g );\ + sys_vgui(a,b,c,d,e,f,g) + +#define SYS_VGUI8(a,b,c,d,e,f,g,h) if (guidebug) \ + post(a,b,c,d,e,f,g,h );\ + sys_vgui(a,b,c,d,e,f,g,h) + +#define SYS_VGUI9(a,b,c,d,e,f,g,h,i) if (guidebug) \ + post(a,b,c,d,e,f,g,h,i );\ + sys_vgui(a,b,c,d,e,f,g,h,i) + + + /* useful debugging functions from mpglib */ +extern int decode_header( struct frame* fr, unsigned long newhead ); +extern void print_header_compact( struct frame* fr ); +extern int head_check( unsigned long head, int check_layer ); + +static char *mp3amp_version = "mp3amp~: mp3 streaming client v0.12, written by Yves Degoyon"; + +/* ------------------------ mp3amp~ ----------------------------- */ + +static t_class *mp3amp_class; + +/* too bad, this needs to be static, + handling an array to enable several decoders in pd */ +static MPSTR mps[MAX_DECODERS]; /* decoder buffer */ +static int nbinstances = 0; + +extern const long freqs[9]; + +/* time-out used for select() call */ +static struct timeval ztout; + +typedef struct _mp3amp +{ + t_object x_obj; + t_int x_instance; /* instance of the object */ + t_outlet *x_connection; + t_int x_fd; /* the socket number */ + t_int x_inframes; /* number of waiting frames */ + t_int x_dframes; /* displayed frames in status bar */ + t_int x_packetsize; /* size of the packets */ + t_int x_pblocks; /* processed blocks */ + t_int x_graphic; /* indicates if we show a graphic bar */ + t_canvas *x_canvas; /* remember canvas */ + t_int x_nbwaitloops; /* number of loops to wait */ + t_int x_nbloops; /* number of loops processed */ + t_int x_blocksize; /* size of a dsp block */ + t_int x_resample; /* resampling factor (pd's sr / stream sr) */ + t_int x_dsp; /* number of dsp calls, used to measure time */ + t_int x_standby; /* flag to freeze decoding */ + t_int x_nooutput; /* flag to avoid output of connection state */ + +#ifdef UNIX + unsigned char *x_inbuffer; /* accumulation buffer for incoming mp3 frames */ +#else + char *x_inbuffer; /* accumulation buffer for incoming mp3 frames */ +#endif + + t_int x_inwriteposition; + t_int x_inbuffersize; + t_int x_offset; /* offset used for start of decoding */ + + t_float *x_outbuffer; /* buffer to store audio decoded data */ + t_int x_outwriteposition; + t_int x_outreadposition; + t_int x_outunread; + t_int x_outbuffersize; + char x_out[DECODE_PACKET_SIZE]; + + /* mp3 stuff */ + t_int x_samplerate; + t_int x_bitrate; /* bitrate of mp3 stream read at connection time */ + t_int x_bitrateindex; /* bitrate index for each frame, might change dynamically */ + t_int x_mp3mode; /* mode (mono, joint stereo, stereo, dual mono) */ + char* x_bcname; /* name of broadcast */ + char* x_bcurl; /* url of broadcast */ + char* x_bcgenre; /* genre of broadcast */ + char* x_bcaim; /* aim of broadcast */ + char* x_mountpoint; /* mountpoint for IceCast server */ + char* x_hostname; /* hostname to connect to */ + t_int x_port; /* port number to connect to */ + + t_int x_stream; /* indicates if a stream is connected ( meaning correct input flow ) */ +} t_mp3amp; + +static void mp3amp_recv(t_mp3amp *x); +static void mp3amp_disconnect(t_mp3amp *x); +static void mp3amp_connect_url(t_mp3amp *x, t_symbol *url); + +static int strip_shout_header(char *head, int n) +{ + int i; + for (i = 0; i < (n - 2); i++) + { + if (head[i] == 10 && head[i + 1] == 13) + break; + if (head[i] == '\n' && head[i + 1] == '\n') + break; + } + head[i + 1] = '\0'; + return n - (i + 1); +} + +static int strip_ice_header(char *head, int n) +{ + int i; + for (i = 0; i < (n - 2); i++) + { + if ((head[i] == '\n') && (head[i + 1] == '\n')) + break; + } + head[i + 1] = '\0'; + return n - (i + 1); +} + +static void mp3amp_tilde_mpglib_init(t_mp3amp *x) +{ + int ret; + + InitMP3(&mps[x->x_instance]); +} + +static int mp3amp_decode_input(t_mp3amp *x) +{ + t_int i; + t_int alength = 0; + float resample = 0; + struct frame hframe; + unsigned int a,b,c,d; + unsigned long cheader; + signed short int *p = (signed short int *) x->x_out; + t_int pbytes; + t_int ret, totlength=0; + t_int pframes = 0; + + x->x_offset=0; + // search for an header to check dynamic bitrate + while ( x->x_offset < x->x_inwriteposition ) + { + /* decode first 4 bytes as the header */ + a = *((unsigned char*)x->x_inbuffer+x->x_offset); + b = *((unsigned char*)x->x_inbuffer+x->x_offset+1); + c = *((unsigned char*)x->x_inbuffer+x->x_offset+2); + d = *((unsigned char*)x->x_inbuffer+x->x_offset+3); + + cheader = 0; + cheader = a; + cheader <<= 8; + cheader |= b; + cheader <<= 8; + cheader |= c; + cheader <<= 8; + cheader |= d; + if ( head_check( cheader, 0 ) ) + { + decode_header( &hframe, cheader ); + if ( hframe.framesize == 0 ) + { + post( "mp3amp~: weird header ( frame size = 0 ) .... ignored" ); + x->x_offset++; + continue; + } + x->x_packetsize = hframe.framesize; + // print_header_compact( &hframe ); + // when the bitrate change, reinit decoder + if ( x->x_bitrateindex != hframe.bitrate_index ) + { + post( "mp3amp~: bitrate has changed, reinitialize decoder" ); + ExitMP3(&mps[x->x_instance]); + InitMP3(&mps[x->x_instance]); + x->x_bitrateindex = hframe.bitrate_index; + } + break; + } + x->x_offset++; + } + + if ( x->x_inframes > 0 ) + { + + ret = decodeMP3(&mps[x->x_instance], (unsigned char*)(x->x_inbuffer+x->x_offset), + hframe.framesize+sizeof( unsigned long), (char *) p, sizeof(x->x_out), &pbytes); + + switch (ret) + { + case MP3_OK: + switch (mps[x->x_instance].fr.stereo) { + case 1: + case 2: + alength = ((mps[x->x_instance].fr.stereo==1)?pbytes >> 1 : pbytes >> 2); + // post( "mp3amp~: stereo : %d", mps[x->x_instance].fr.stereo ); + // update outbuffer contents + for ( i=0; ix_outunread >= x->x_outbuffersize-2 ) + { + // post( "mp3amp~: decode : too much input ... ignored" ); + continue; + } + *(x->x_outbuffer+x->x_outwriteposition) = ((t_float)(*p++))/32767.0; + x->x_outwriteposition = (x->x_outwriteposition + 1)%x->x_outbuffersize; + *(x->x_outbuffer+x->x_outwriteposition) = + ((mps[x->x_instance].fr.stereo==2)?((t_float)(*p++))/32767.0 : 0.0); + x->x_outwriteposition = (x->x_outwriteposition + 1)%x->x_outbuffersize; + x->x_outunread+=2; + + if ( x->x_outunread >= MIN_AUDIO_INPUT && !x->x_stream ) + { + post("mp3amp~: stream connected" ); + x->x_resample = x->x_samplerate / freqs[hframe.sampling_frequency]; + if ( x->x_resample == 0 ) x->x_resample=1; + post("mp3amp~: resampling stream from %d to %d Hz (r=%d)", + freqs[hframe.sampling_frequency], x->x_samplerate, x->x_resample ); + x->x_stream = 1; + } + } + break; + default: + alength = -1; + break; + } + // roll buffer + if ( x->x_inwriteposition > hframe.framesize+ (int) sizeof( unsigned long ) + x->x_offset ) + // ^----- maybe the frame is not complete + { + x->x_inwriteposition -= hframe.framesize+sizeof( unsigned long )+x->x_offset; + memcpy( (void *)(x->x_inbuffer), + (void *)(x->x_inbuffer+x->x_offset+hframe.framesize+sizeof( unsigned long )), + x->x_inwriteposition); + x->x_offset = 0; + // post ( "mp3amp~: decoded frame %d", x->x_inframes ); + x->x_inframes--; + pframes++; + } + else // sorry, it will be ignored + { + // error( "mp3amp~: incomplete frame...ignored"); + // x->x_offset = 0; + // x->x_inwriteposition = 0; + // x->x_inframes = 0; + } + + totlength += alength; + break; + + case MP3_NEED_MORE: + if ( mps[x->x_instance].framesize == 0 && mps[x->x_instance].fsizeold != 0 ) + { + post( "mp3amp~: decoding done (totlength=%d).", totlength ); + } + else + { + post( "mp3amp~: retry lame decoding (more data needed)." ); + return -1; + } + break; + + case MP3_ERR: + post( "mp3amp~: lame decoding failed." ); + return ret; + break; + + } + + } + + if ( x->x_graphic && glist_isvisible( x->x_canvas ) ) + { + /* update graphical read status */ + if ( x->x_inframes != x->x_dframes ) + { + char color[32]; + t_int width; + + width = rtext_width( glist_findrtext( (t_glist*)x->x_canvas, (t_text *)x ) ); + SYS_VGUI3(".x%x.c delete rectangle %xSTATUS\n", x->x_canvas, x ); + if ( x->x_inframes < (MIN_AUDIO_INPUT/LAME_AUDIO_CHUNK_SIZE) ) + { + strcpy( color, "red" ); + } + else + { + strcpy( color, "lightgreen" ); + } + SYS_VGUI8(".x%x.c create rectangle %d %d %d %d -fill %s -tags %xSTATUS\n", + x->x_canvas, x->x_obj.te_xpix, x->x_obj.te_ypix-BARHEIGHT-1, + x->x_obj.te_xpix+(x->x_inwriteposition*width)/INPUT_BUFFER_SIZE, + x->x_obj.te_ypix - 1, color, x ); + x->x_dframes = x->x_inframes; + } + } + return totlength; +} + +static void mp3amp_recv(t_mp3amp *x) +{ + int ret, i; + float resample = 0; + struct frame hframe; + unsigned int a,b,c,d; + unsigned long cheader; + +#ifdef UNIX + if ( ( ret = recv(x->x_fd, (void*) (x->x_inbuffer + x->x_inwriteposition), + (size_t)((x->x_inbuffersize-x->x_inwriteposition)), + MSG_NOSIGNAL) ) < 0 ) +#else + if(( ret = recv(x->x_fd, (char*)x->x_inbuffer + x->x_inwriteposition, + (x->x_inbuffersize-x->x_inwriteposition), 0)) < 0) +#endif + { + post( "mp3amp~: receive error" ); +#ifdef UNIX + perror( "recv" ); +#endif + mp3amp_disconnect(x); + return; + } + else + { + + // post( "mp3amp~: received %d bytes at %d on %d ( up to %d)", + // ret, x->x_inwriteposition, x->x_fd, + // x->x_inbuffersize-x->x_inwriteposition ); + + if ( ret == 0 && ( x->x_inbuffersize-x->x_inwriteposition != 0 ) ) + { + error("mp3amp~: stream lost..."); + mp3amp_disconnect(x); + } + else + { + // check if we should decode those packets + if ( x->x_standby ) + { + return; + } + // check we don't overflow input buffer + if ( ( x->x_inwriteposition + ret ) > x->x_inbuffersize*0.9 ) + { + post( "mp3streamin~ : too much input...resetting" ); + x->x_inwriteposition=0; + x->x_offset = 0; + x->x_inframes = 0; + return; + } + x->x_inwriteposition += ret; + x->x_offset = 0; + // check some parameters in the stream + while ( x->x_offset < x->x_inwriteposition ) + { + /* decode first 4 bytes as the header */ + a = *((unsigned char*)x->x_inbuffer+x->x_offset); + b = *((unsigned char*)x->x_inbuffer+x->x_offset+1); + c = *((unsigned char*)x->x_inbuffer+x->x_offset+2); + d = *((unsigned char*)x->x_inbuffer+x->x_offset+3); + + cheader = 0; + cheader = a; + cheader <<= 8; + cheader |= b; + cheader <<= 8; + cheader |= c; + cheader <<= 8; + cheader |= d; + if ( head_check( cheader, 0 ) ) + { + decode_header( &hframe, cheader ); + // print_header_compact( &hframe ); + x->x_packetsize = hframe.framesize; + if ( hframe.framesize == 0 ) + { + post( "mp3amp~: weird header ( frame size = 0 ) .... ignored" ); + x->x_inwriteposition -= ret; + return; + } + x->x_inframes += ret/x->x_packetsize; + // post( "mp3amp~: nb frames %d", x->x_inframes ); + break; + } + x->x_offset++; + } + } + } +} + +static t_int *mp3amp_perform(t_int *w) +{ + t_mp3amp *x = (t_mp3amp*) (w[1]); + t_float *out1 = (t_float *)(w[2]); + t_float *out2 = (t_float *)(w[3]); + int n = (int)(w[4]); + int ret; + int i = 0; + + x->x_blocksize = n; + x->x_nbwaitloops = LAME_AUDIO_CHUNK_SIZE/x->x_blocksize; + // post( "mp3mp3amp~ : will wait %d loops", x->x_nbwaitloops ); + x->x_dsp++; + + while( n-- ) + { + if(x->x_stream && !x->x_standby ) // check that the stream provides enough data + { + if(x->x_resample == 1) /* don't need to resample */ + { + *out1++=*(x->x_outbuffer+x->x_outreadposition); + x->x_outreadposition = (x->x_outreadposition + 1)%x->x_outbuffersize; + *out2++=*(x->x_outbuffer+x->x_outreadposition); + x->x_outreadposition = (x->x_outreadposition + 1)%x->x_outbuffersize; + x->x_outunread-=2; + } + else + { /* we just use the same sample x->x_resample times */ + *out1++=*(x->x_outbuffer+x->x_outreadposition); + *out2++=*(x->x_outbuffer+((x->x_outreadposition + 1)%x->x_outbuffersize)); + if((n%x->x_resample)== 0) + { + x->x_outreadposition = (x->x_outreadposition + 2)%x->x_outbuffersize; + x->x_outunread-=2; + } + } + if ( n == 1 ) x->x_pblocks++; + } + else + { + *out1++=0.0; + *out2++=0.0; + } + } + + if ( x->x_pblocks == LAME_AUDIO_CHUNK_SIZE/x->x_blocksize ) + { + x->x_pblocks = 0; + } + + /* check for readability, then fill the input buffer */ + if(( x->x_fd > 0 )&&(x->x_dsp >= 16)) /* determine how often we try to read */ + { + fd_set readset; + fd_set exceptset; + + FD_ZERO(&readset); + FD_ZERO(&exceptset); + FD_SET(x->x_fd, &readset ); + FD_SET(x->x_fd, &exceptset ); + + x->x_dsp = 0; + + if ( select( x->x_fd+1, &readset, NULL, &exceptset, &ztout ) >0 ) + { + if ( FD_ISSET( x->x_fd, &readset) || FD_ISSET( x->x_fd, &exceptset ) ) + { + /* receive data or error */ + mp3amp_recv(x); + } + } + } + + // check new incoming data + if ( x->x_fd > 0 && ( x->x_nbloops == 0 ) && ( x->x_inframes > 0 ) && ( !x->x_standby ) ) + { + mp3amp_decode_input(x); + } + if ( x->x_nbwaitloops != 0 ) + { + x->x_nbloops = (x->x_nbloops+1 ) % x->x_nbwaitloops; + } + return (w+5); +} + +static void mp3amp_dsp(t_mp3amp *x, t_signal **sp) +{ + dsp_add(mp3amp_perform, 4, x, sp[1]->s_vec, sp[2]->s_vec, sp[1]->s_n); +} + + + /* freeze decoding */ +static void mp3amp_standby(t_mp3amp *x, t_floatarg fstandby ) +{ + if ( fstandby == 0. ) + { + x->x_standby = 0; + } + else + { + x->x_standby = 1; + } +} + + /* connection main procedure executed by a thread */ +static void *mp3amp_do_connect(void *tdata ) +{ + t_mp3amp *x = (t_mp3amp*) tdata; + struct sockaddr_in server; + struct hostent *hp; + t_int portno = x->x_port; /* get port from message box */ + + /* variables used for communication with server */ + char *sptr = NULL; + char request[STRBUF_SIZE]; /* string to be send to server */ + char *url; /* used for relocation */ + fd_set fdset; + struct timeval tv; + t_int sockfd; /* socket to server */ + t_int relocate, numrelocs = 0; + t_int i, ret, rest, nanswers=0; + char *cpoint = NULL; + t_int offset = 0, endofheaders = 0; + + if (x->x_fd >= 0) + { + error("mp3amp~: already connected"); + return NULL; + } + + sockfd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); + if (sockfd < 0) + { + error("mp3amp~: internal error while attempting to open socket"); + return NULL; + } + + /* connect socket using hostname provided in command line */ + server.sin_family = AF_INET; + hp = gethostbyname(x->x_hostname); + if (hp == 0) + { + post("mp3amp~: bad host?"); + sys_closesocket(sockfd); + return NULL; + } + 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("mp3amp~: connecting to http:/%s:%d/%s", x->x_hostname, x->x_port, x->x_mountpoint ); + if (connect(sockfd, (struct sockaddr *) &server, sizeof (server)) < 0) + { + error("mp3amp~: connection failed!\n"); + sys_closesocket(sockfd); + return NULL; + } + post("mp3amp~: connected : socket opened" ); + + /* 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("mp3amp~: can not read from socket"); + sys_closesocket(sockfd); + return NULL; + } + post("mp3amp~: select done" ); + + /* check mountpoint */ + if( strstr(x->x_mountpoint, "listen.pls") ) + { /* SHOUTcast playlist -> get / */ + x->x_mountpoint = ""; + } + + /* build up stuff we need to send to server */ + sprintf(request, "GET /%s HTTP/1.0 \r\nHost: %s\r\nUser-Agent: mp3amp~ 0.11\r\nAccept: */*\r\n\r\n", + x->x_mountpoint, x->x_hostname); + + if ( send(sockfd, request, strlen(request), 0) < 0 ) /* say hello to server */ + { + post( "mp3amp~: could not contact server... " ); +#ifdef UNIX + perror( "send" ); +#endif + return NULL; + } + post("mp3amp~: send done" ); + + relocate = FALSE; + memset( request, 0x00, STRBUF_SIZE ); + + // read all the answer + endofheaders=0; + while ( !endofheaders ) + { + if( ( ret = recv(sockfd, request+offset, STRBUF_SIZE, MSG_NOSIGNAL) ) <0) + { + error("mp3amp~: no response from server"); +#ifdef UNIX + perror( "recv" ); +#endif + return NULL; + } + post ( "mp3amp~ : received %d bytes at %d", ret, offset ); + for ( i=offset; ix_nooutput = 1; + mp3amp_connect_url(x, gensym(url)); + x->x_nooutput = 0; + return NULL; + // relocate = TRUE; + } + if( !(sptr = strstr(request, "200")) && !relocate ) + { + error("mp3amp~: cannot connect to the (default) stream"); + return NULL; + } + + post("mp3amp~: IceCast server detected"); + + // post("mp3amp~: server's header : %s", request ); + + // check what we got + if( cpoint = strstr(request, "x-audiocast-mount:")) + { + x->x_mountpoint = STRDUP(cpoint + 18); + for ( i=0; i<(int)strlen(x->x_mountpoint); i++ ) + { + if ( x->x_mountpoint[i] == '\n' ) + { + x->x_mountpoint[i] = '\0'; + break; + } + } + post(" mountpoint: %s", x->x_mountpoint); + } + if( cpoint = strstr(request, "x-audiocast-server-url:")) + { + sptr = STRDUP( cpoint + 24); + for ( i=0; i<(int)strlen(sptr); i++ ) + { + if ( sptr[i] == '\n' ) + { + sptr[i] = '\0'; + break; + } + } + post(" server-url: %s", sptr); + } + if( cpoint = strstr(request, "x-audiocast-location:")) + { + sptr = STRDUP( cpoint + 22); + for ( i=0; i<(int)strlen(sptr); i++ ) + { + if ( sptr[i] == '\n' ) + { + sptr[i] = '\0'; + break; + } + } + post(" location: %s", sptr); + } + if( cpoint = strstr(request, "x-audiocast-admin:")) + { + sptr = STRDUP( cpoint + 19); + for ( i=0; i<(int)strlen(sptr); i++ ) + { + if ( sptr[i] == '\n' ) + { + sptr[i] = '\0'; + break; + } + } + post(" admin: %s", sptr); + } + if( cpoint = strstr(request, "x-audiocast-name:")) + { + x->x_bcname = STRDUP( cpoint + 17); + for ( i=0; i<(int)strlen(x->x_bcname); i++ ) + { + if ( x->x_bcname[i] == '\n' ) + { + x->x_bcname[i] = '\0'; + break; + } + } + post(" name: %s", x->x_bcname); + } + if( cpoint = strstr(request, "x-audiocast-genre:")) + { + x->x_bcgenre = STRDUP( cpoint + 18); + for ( i=0; i<(int)strlen(x->x_bcgenre); i++ ) + { + if ( x->x_bcgenre[i] == '\n' ) + { + x->x_bcgenre[i] = '\0'; + break; + } + } + post(" genre: %s", x->x_bcgenre); + } + if( cpoint = strstr(request, "x-audiocast-url:")) + { + x->x_bcurl = STRDUP( cpoint + 16); + for ( i=0; i<(int)strlen(x->x_bcurl); i++ ) + { + if ( x->x_bcurl[i] == '\n' ) + { + x->x_bcurl[i] = '\0'; + break; + } + } + post(" url: %s", x->x_bcurl); + } + if( cpoint = strstr(request, "x-audiocast-public:1")) + { + post(" broadcast is public"); + } + else if( cpoint = strstr(request, "x-audiocast-public:0")) + { + post(" broadcast is NOT public"); + } + if( cpoint = strstr(request, "x-audiocast-bitrate:")) + { + sptr = STRDUP( cpoint + 20); + for ( i=0; i<(int)strlen(sptr); i++ ) + { + if ( sptr[i] == '\n' ) + { + sptr[i] = '\0'; + break; + } + } + if(!strncmp(sptr, "320", 3))x->x_bitrate = 320; + else if(!strncmp(sptr, "256", 3))x->x_bitrate = 256; + else if(!strncmp(sptr, "224", 3))x->x_bitrate = 224; + else if(!strncmp(sptr, "192", 3))x->x_bitrate = 192; + else if(!strncmp(sptr, "160", 3))x->x_bitrate = 160; + else if(!strncmp(sptr, "144", 3))x->x_bitrate = 144; + else if(!strncmp(sptr, "128", 3))x->x_bitrate = 128; + else if(!strncmp(sptr, "112", 3))x->x_bitrate = 112; + else if(!strncmp(sptr, "96", 2))x->x_bitrate = 96; + else if(!strncmp(sptr, "80", 2))x->x_bitrate = 80; + else if(!strncmp(sptr, "64", 2))x->x_bitrate = 64; + else if(!strncmp(sptr, "56", 2))x->x_bitrate = 56; + else if(!strncmp(sptr, "48", 2))x->x_bitrate = 48; + else if(!strncmp(sptr, "40", 2))x->x_bitrate = 40; + else if(!strncmp(sptr, "32", 2))x->x_bitrate = 32; + else if(!strncmp(sptr, "24", 2))x->x_bitrate = 24; + else if(!strncmp(sptr, "16", 2))x->x_bitrate = 16; + else if(!strncmp(sptr, "8", 1))x->x_bitrate = 8; + else + { + post("mp3amp~: unsupported bitrate! : %s", sptr); + return NULL; + } + post(" bitrate: %d", x->x_bitrate); + } + if( cpoint = strstr(request, "x-audiocast-udpport:")) + { + post("mp3amp~: sorry, server wants UDP connection!"); + return NULL; + } + } + else /* it is a SHOUTcast server */ + { + strip_shout_header (request, STRBUF_SIZE); + post("mp3amp~: SHOUTcast server detected"); + if(strstr(request, "ICY 401") != 0) + { + post("mp3amp~: ICY 401 Service Unavailable"); + return NULL; + } + if (strstr(request, "ICY 200 OK")) + { + /* recv and decode info about broadcast line by line */ + post("mp3amp~: connecting to stream..."); + i = ret; + /* check what we got */ + + if( cpoint = strstr(request, "icy-name:")) + { + x->x_bcname = STRDUP( cpoint + 10); + for ( i=0; i<(int)strlen(x->x_bcname); i++ ) + { + if ( x->x_bcname[i] == '\n' ) + { + x->x_bcname[i] = '\0'; + break; + } + } + post(" name: %s", x->x_bcname); + } + if( cpoint = strstr(request, "x-audiocast-name:")) + { + x->x_bcname = STRDUP( cpoint + 18); + for ( i=0; i<(int)strlen(x->x_bcname); i++ ) + { + if ( x->x_bcname[i] == '\n' ) + { + x->x_bcname[i] = '\0'; + break; + } + } + post(" name: %s", x->x_bcname); + } + if( cpoint = strstr(request, "icy-genre:")) + { + x->x_bcgenre = STRDUP( cpoint + 10); + for ( i=0; i<(int)strlen(x->x_bcgenre); i++ ) + { + if ( x->x_bcgenre[i] == '\n' ) + { + x->x_bcgenre[i] = '\0'; + break; + } + } + post(" name: %s", x->x_bcname); + } + if( cpoint = strstr(request, "icy-aim:")) + { + x->x_bcaim = STRDUP( cpoint + 8); + for ( i=0; i<(int)strlen(x->x_bcaim); i++ ) + { + if ( x->x_bcaim[i] == '\n' ) + { + x->x_bcaim[i] = '\0'; + break; + } + } + post(" name: %s", x->x_bcname); + } + if( cpoint = strstr(request, "icy-url:")) + { + x->x_bcurl = STRDUP( cpoint + 8); + for ( i=0; i<(int)strlen(x->x_bcurl); i++ ) + { + if ( x->x_bcurl[i] == '\n' ) + { + x->x_bcurl[i] = '\0'; + break; + } + } + post(" name: %s", x->x_bcname); + } + if(strstr(request, "icy-pub:1")) + { + post(" broadcast is public"); + } + else if(strstr(request, "icy-pub:0")) + { + post(" broadcast is NOT public"); + } + if( cpoint = strstr(request, "icy-br:")) + { + sptr = STRDUP( cpoint + 7); + if(!strncmp(sptr, "320", 3))x->x_bitrate = 320; + else if(!strncmp(sptr, "256", 3))x->x_bitrate = 256; + else if(!strncmp(sptr, "224", 3))x->x_bitrate = 224; + else if(!strncmp(sptr, "192", 3))x->x_bitrate = 192; + else if(!strncmp(sptr, "160", 3))x->x_bitrate = 160; + else if(!strncmp(sptr, "144", 3))x->x_bitrate = 144; + else if(!strncmp(sptr, "128", 3))x->x_bitrate = 128; + else if(!strncmp(sptr, "112", 3))x->x_bitrate = 112; + else if(!strncmp(sptr, "96", 2))x->x_bitrate = 96; + else if(!strncmp(sptr, "80", 2))x->x_bitrate = 80; + else if(!strncmp(sptr, "64", 2))x->x_bitrate = 64; + else if(!strncmp(sptr, "56", 2))x->x_bitrate = 56; + else if(!strncmp(sptr, "48", 2))x->x_bitrate = 48; + else if(!strncmp(sptr, "40", 2))x->x_bitrate = 40; + else if(!strncmp(sptr, "32", 2))x->x_bitrate = 32; + else if(!strncmp(sptr, "24", 2))x->x_bitrate = 24; + else if(!strncmp(sptr, "16", 2))x->x_bitrate = 16; + else if(!strncmp(sptr, "8", 2))x->x_bitrate = 8; + else + { + post("mp3amp~: unsupported bitrate! (%s)", sptr); + return NULL; + } + post(" bitrate: %d", x->x_bitrate); + } + if(strstr(request, "x-audiocast-udpport:")) + { + post("mp3amp~: sorry, server wants UDP connection!"); + return NULL; + } + } + else + { + post("mp3amp~: unknown response from server"); + return NULL; + } + relocate = FALSE; + } + if (relocate) { + error("mp3amp~: too many HTTP relocations"); + return NULL; + } + post("mp3amp~: connected to http://%s:%d/%s", hp->h_name, portno, x->x_mountpoint); + x->x_fd = sockfd; + if ( x->x_graphic && glist_isvisible( x->x_canvas ) ) + { + t_int width; + + width = rtext_width( glist_findrtext( (t_glist*)x->x_canvas, (t_text *)x ) ); + SYS_VGUI3(".x%x.c delete rectangle %xPBAR\n", x->x_canvas, x ); + SYS_VGUI7(".x%x.c create rectangle %d %d %d %d -fill lightblue -tags %xPBAR\n", + x->x_canvas, x->x_obj.te_xpix, x->x_obj.te_ypix-BARHEIGHT-1, + x->x_obj.te_xpix + width, x->x_obj.te_ypix - 1, x ); + } + + return NULL; +} + + /* launch the connection thread */ +static void mp3amp_connect(t_mp3amp *x, t_symbol *hostname, t_symbol *mountpoint, t_floatarg fportno ) +{ + pthread_attr_t update_child_attr; + pthread_t connectchild; + + // store data + x->x_hostname = (char*) getbytes( strlen( hostname->s_name ) + 1 ); // there's a memory leak here + strcpy( x->x_hostname, hostname->s_name ); + + x->x_mountpoint = (char*) getbytes( strlen( mountpoint->s_name ) + 1 ); // there's a memory leak here + strcpy( x->x_mountpoint, mountpoint->s_name ); + + x->x_port = fportno; + + // launch connection thread + if ( pthread_attr_init( &update_child_attr ) < 0 ) { + post( "mp3amp~ : could not launch connection thread" ); + perror( "pthread_attr_init" ); + return; + } + if ( pthread_attr_setdetachstate( &update_child_attr, PTHREAD_CREATE_DETACHED ) < 0 ) { + post( "mp3amp~ : could not launch connection thread" ); + perror( "pthread_attr_setdetachstate" ); + return; + } + if ( pthread_create( &connectchild, &update_child_attr, mp3amp_do_connect, x ) < 0 ) { + post( "mp3amp~ : could not launch connection thread" ); + perror( "pthread_create" ); + return; + } + else + { + // post( "cooled~ : drawing thread %d launched", (int)x->x_updatechild ); + } + + if ( !x->x_nooutput ) outlet_float(x->x_connection, 1); +} + + /* connect using url like "http://localhost:8000/mountpoint" */ +static void mp3amp_connect_url(t_mp3amp *x, t_symbol *url) +{ + char *hostptr = NULL, *p, *endhost = NULL, *hostname = NULL; + char *pathptr = NULL; + t_int portno = 8000; + + post( "mp3amp~ : connect url : %s", url->s_name ); + + /* strip http:// or ftp:// */ + p = url->s_name; + if (strncmp(p, "http://", 7) == 0) + p += 7; + + if (strncmp(p, "ftp://", 6) == 0) + p += 6; + + hostptr = p; + while (*p && *p != '/' && *p != ':') /* look for end of hostname: */ + p++; + + endhost = p; + switch ( *p ) + { + case ':' : + portno = atoi( p+1 ); + while (*p && *p != '/') p++; + pathptr = p+1; + break; + case '/' : + portno = 8000; + pathptr = p+1; + break; + default : + if ( ( p - url->s_name ) != (int)strlen( url->s_name ) ) + { + post( "mp3amp~ : wrong url : %s", hostptr ); + return; + } + pathptr = ""; + break; + } + + hostname=(char*)getbytes( (int)(endhost - hostptr) + 1); + strncpy( hostname, hostptr, (int)(endhost - hostptr) ); + hostname[ endhost - hostptr ] = '\0'; + + post ("mp3amp~ : connecting to host=%s port=%d path=%s", hostname, portno, pathptr ); + + /* call the 'normal' connection routine */ + mp3amp_connect(x, gensym(hostname), gensym(pathptr), portno); +} + + /* close connection to SHOUTcast server */ +static void mp3amp_disconnect(t_mp3amp *x) +{ + x->x_stream = 0; + x->x_inframes = 0; + x->x_dframes = 0; + x->x_inwriteposition = 0; + x->x_offset = 0; + if(x->x_fd >= 0) /* close socket */ + { + sys_closesocket(x->x_fd); + x->x_fd = -1; + } + ExitMP3(&mps[x->x_instance]); + InitMP3(&mps[x->x_instance]); + if ( x->x_graphic ) + { + SYS_VGUI3(".x%x.c delete rectangle %xPBAR\n", x->x_canvas, x ); + SYS_VGUI3(".x%x.c delete rectangle %xSTATUS\n", x->x_canvas, x ); + } + post("mp3amp~: connection closed"); + outlet_float(x->x_connection, 0); +} + +static void mp3amp_free(t_mp3amp *x) +{ + if (x->x_fd > 0) { + post( "mp3amp~: closing socket" ); + sys_closesocket(x->x_fd); + x->x_fd = -1; + } + freebytes(x->x_inbuffer, INPUT_BUFFER_SIZE); + freebytes(x->x_outbuffer, OUTPUT_BUFFER_SIZE*sizeof(t_float)); +} + +static void *mp3amp_new(t_floatarg fdographics) +{ + t_mp3amp *x = NULL; + + if ( ((int)fdographics != 0) && ((int)fdographics != 1.) ) + { + post( "mp3amp~: error : constructor : mp3amp~ [graphic flag = 0 | 1 ] ( got = %f)", fdographics ); + return NULL; + } + + x = (t_mp3amp *)pd_new(mp3amp_class); + outlet_new(&x->x_obj, gensym("signal")); + outlet_new(&x->x_obj, gensym("signal")); + x->x_connection = outlet_new(&x->x_obj, gensym("float")); + + if ( nbinstances < MAX_DECODERS ) + { + x->x_instance = nbinstances++; + } + else + { + post( "mp3amp~: cannot create more decoders (memory issues), sorry" ); + return NULL; + } + + x->x_fd = -1; + x->x_stream = 0; + x->x_inframes = 0; + x->x_samplerate = sys_getsr(); + x->x_nbwaitloops = 1; + x->x_nbloops = 0; + x->x_dsp = 0; + + x->x_inbuffersize = INPUT_BUFFER_SIZE; + x->x_outbuffersize = OUTPUT_BUFFER_SIZE; + x->x_inbuffer = (unsigned char*) getbytes(INPUT_BUFFER_SIZE); + x->x_offset = 0; + x->x_outbuffer = (t_float*) getbytes(OUTPUT_BUFFER_SIZE*sizeof(t_float)); + + if ( !x->x_inbuffer || !x->x_outbuffer ) + { + post( "mp3amp~: could not allocate buffers" ); + return NULL; + } + memset( x->x_inbuffer, 0x0, INPUT_BUFFER_SIZE ); + memset( x->x_outbuffer, 0x0, OUTPUT_BUFFER_SIZE ); + + x->x_inwriteposition = 0; + x->x_outreadposition = 0; + x->x_outwriteposition = 0; + x->x_outunread = 0; + x->x_standby = 0; + x->x_resample = -1; + x->x_nooutput = 0; + + ztout.tv_sec = 0; + ztout.tv_usec = 0; + + x->x_graphic = (int)fdographics; + post( "mp3amp~: getting canvas" ); + x->x_canvas = canvas_getcurrent(); + + post( "mp3amp~: initializing decoder..." ); + /* init mpg123 decoder */ + mp3amp_tilde_mpglib_init(x); + + post(mp3amp_version); + + return (x); +} + + +void mp3amp_tilde_setup(void) +{ + mp3amp_class = class_new(gensym("mp3amp~"), + (t_newmethod) mp3amp_new, (t_method) mp3amp_free, + sizeof(t_mp3amp), 0, A_DEFFLOAT, A_NULL); + + class_addmethod(mp3amp_class, nullfn, gensym("signal"), 0); + class_addmethod(mp3amp_class, (t_method)mp3amp_dsp, gensym("dsp"), 0); + class_addmethod(mp3amp_class, (t_method)mp3amp_connect, gensym("connect"), A_SYMBOL, A_SYMBOL, A_FLOAT, 0); + class_addmethod(mp3amp_class, (t_method)mp3amp_connect_url, gensym("connecturl"), A_SYMBOL, 0); + class_addmethod(mp3amp_class, (t_method)mp3amp_standby, gensym("standby"), A_DEFFLOAT, 0); + class_addmethod(mp3amp_class, (t_method)mp3amp_disconnect, gensym("disconnect"), 0); +} -- cgit v1.2.1