diff options
Diffstat (limited to 'speex~/speexout~.c')
| -rw-r--r-- | speex~/speexout~.c | 455 |
1 files changed, 0 insertions, 455 deletions
diff --git a/speex~/speexout~.c b/speex~/speexout~.c deleted file mode 100644 index 2391e6f..0000000 --- a/speex~/speexout~.c +++ /dev/null @@ -1,455 +0,0 @@ -/* ------------------------ speexout~ ----------------------------------------- */ -/* */ -/* Tilde object to send speex encoded data to a peer using speexin~. */ -/* Written by Yves Degoyon (ydegoyon@free.fr). */ -/* Tarballs and updates @ http://ydegoyon.free.fr */ -/* */ -/* This program is free software; you can redistribute it and/or */ -/* modify it under the terms of the GNU General Public License */ -/* as published by the Free Software Foundation; either version 2 */ -/* of the License, or (at your option) any later version. */ -/* */ -/* See file LICENSE for further informations on licensing terms. */ -/* */ -/* This program 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 General Public License for more details. */ -/* */ -/* You should have received a copy of the GNU General Public License */ -/* along with this program; 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 Speex codec which can */ -/* be found at http://speex.sourceforge.net */ -/* */ -/* "Western values mean nothing to us" */ -/* "She is beyond good and evil" */ -/* Pop Group -- */ -/* ---------------------------------------------------------------------------- */ - - - -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - -#include <sys/types.h> -#include <string.h> -#include <stdio.h> -#include <errno.h> -#include <stdlib.h> -#include <fcntl.h> -#include <sys/stat.h> -#ifndef __APPLE__ -#include <malloc.h> -#endif -#include <ctype.h> -#ifdef _WIN32 -#include <io.h> -#include <windows.h> -#include <winsock.h> -#include <windef.h> -#else -#include <unistd.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <netdb.h> -#include <time.h> -#include <sys/time.h> -#define SOCKET_ERROR -1 -#endif - -#if defined(__APPLE__) || defined(_WIN32) -#define MSG_NOSIGNAL 0 -#endif - -#include <speex/speex.h> /* speex codec stuff */ -#include <speex/speex_bits.h> /* speex codec stuff */ - -#include "m_pd.h" /* standard pd stuff */ - -#define IN_BUFFER_SIZE 65536 -#define OUT_BUFFER_SIZE 8192 - -// #define DATADEBUG - -#define SPEEX_NB_MODE 0 /* audio data must be 8kHz */ -#define SPEEX_WB_MODE 1 /* audio data must be 16kHz */ - -#define SPEEX_DEFAULT_QUALITY 5 /* default quality */ - -static char *speexout_version = "speexout~: speex voice quality streamer version 0.2, written by ydegoyon@free.fr"; - -static t_class *speexout_class; - -typedef struct _speexout -{ - t_object x_obj; - int x_samplerate; /* pd sampling rate */ - - /* Speex stuff */ - SpeexBits x_bits; /* bits packing structure */ - void *x_encstate; /* encoder state */ - t_int x_framesize; /* frame size */ - t_int x_mode; /* Narrow or Wide Band */ - int x_quality; /* encoding quality ( 0 to 10 ) */ - - /* buffer stuff */ - unsigned short x_inp; /* in position for buffer */ - unsigned short x_outp; /* out position for buffer */ - t_int x_encsize; /* size of encoded data */ - t_float *x_inbuf; /* data to be coded by Speex */ - char *x_outbuf; /* data returned by Speex -> our speex stream */ - int x_bytesbuffered; /* number of unprocessed bytes in buffer */ - int x_bytesemitted; /* number of encoded bytes emitted */ - int x_start; - t_float *x_encchunk; - - /* connection data */ - int x_fd; /* info about connection status */ - int x_outpackets; /* speex packets sent */ - - t_float x_f; /* float needed for signal input */ - -} t_speexout; - - - /* encode PCM data to speex frames */ -static void speexout_encode(t_speexout *x) -{ - if ( x->x_bytesbuffered > x->x_framesize ) - { - speex_bits_reset(&x->x_bits); - - { - t_int sp=0, rp=0; - - while( sp < x->x_framesize ) - { - rp=(x->x_outp+sp)%IN_BUFFER_SIZE; - // post( "speexout~ : sp=%d : rp=%d", sp, rp ); - x->x_encchunk[ sp++ ] = *(x->x_inbuf+rp); - } - speex_encode(x->x_encstate, x->x_encchunk, &x->x_bits); - } - - x->x_outp = (x->x_outp+x->x_framesize)%IN_BUFFER_SIZE; - x->x_bytesbuffered -= x->x_framesize; - x->x_encsize = speex_bits_write(&x->x_bits, x->x_outbuf+1, OUT_BUFFER_SIZE ); - if ( x->x_encsize < 127 ) - { - *(x->x_outbuf) = (char)x->x_encsize; - } - else - { - post( "speexout~ : encoding error : frame is more than 127 bytes" ); - x->x_encsize = -1; - } - x->x_bytesemitted += x->x_encsize; -#ifdef DATADEBUG - { - t_int si; - - printf( "speexout~ : encoded : " ); - for ( si=0; si<x->x_encsize; si++ ) - { - printf( "%d ", *(x->x_outbuf+si) ); - } - printf( "\n" ); - } -#endif - } - else - { - x->x_encsize = -1; - } -} - - /* stream data to the peer */ -static void speexout_stream(t_speexout *x) -{ - int count = -1, i; - - if ( x->x_encsize > 0 ) - { - count = send(x->x_fd, x->x_outbuf, x->x_encsize+1, MSG_NOSIGNAL); - if(count < 0) - { - error("speexout~: could not send encoded data to the peer (%d)", count); -#ifndef UNIX - closesocket(x->x_fd); -#else - close(x->x_fd); -#endif - x->x_fd = -1; - outlet_float(x->x_obj.ob_outlet, 0); - } - else - { - x->x_outpackets++; - // post( "speexout~ : emitted %d bytes (packets = %d)", count, x->x_outpackets ); - if ( x->x_outpackets%100 == 0 ) - { - // post( "speexout~ : emitted %d bytes (packets = %d)", x->x_bytesemitted, x->x_outpackets ); - } - if(count != x->x_encsize+1) - { - error("speexout~: %d bytes skipped", x->x_encsize - count); - } - } - x->x_encsize = -1; - } -} - - - /* buffer and downsample the data */ -static t_int *speexout_perform(t_int *w) -{ - t_float *in = (t_float *)(w[1]); /* audio inlet */ - t_speexout *x = (t_speexout *)(w[2]); - int n = (int)(w[3]); /* number of samples */ - unsigned short i,wp; - t_float accum = 0.; - int sratio; - - /* samplerate is supposed to be > 16kHz, thus sratio > 1 */ - if ( x->x_mode == SPEEX_NB_MODE ) - { - sratio = x->x_samplerate / 8000; - } - else - { - sratio = x->x_samplerate / 16000; - } - - /* copy the data into the buffer and resample audio data */ - - accum=0; - for(wp = 0; wp < n; wp++) - { - accum += *(in+wp); - if ( wp % sratio == sratio - 1 ) - { - x->x_inbuf[x->x_inp] = ( accum / sratio ) * 8000; // scale the input for speex best efficiency - // post( "x->x_inp : %d", x->x_inp ); - x->x_inp = (x->x_inp+1)%IN_BUFFER_SIZE; - x->x_bytesbuffered ++; - accum = 0; - } - } - - if( ( x->x_fd >= 0 ) && ( x->x_bytesbuffered > x->x_framesize ) ) - { - /* encode and send to the peer */ - speexout_encode(x); /* speex encoding */ - speexout_stream(x); /* stream mp3 to the peer */ - } - else - { - x->x_start = -1; - } - return (w+4); -} - -static void speexout_dsp(t_speexout *x, t_signal **sp) -{ - dsp_add(speexout_perform, 3, sp[0]->s_vec, x, sp[0]->s_n); -} - - /* initialize the speex library */ -static void speexout_tilde_speex_init(t_speexout *x) -{ - - speex_bits_init(&x->x_bits); - - switch ( x->x_mode ) - { - case SPEEX_NB_MODE : - x->x_encstate = speex_encoder_init(&speex_nb_mode); - break; - - case SPEEX_WB_MODE : - x->x_encstate = speex_encoder_init(&speex_wb_mode); - break; - - default : - error( "speexout~ : severe error : encoding scheme is unknown" ); - break; - } - - speex_encoder_ctl(x->x_encstate, SPEEX_GET_FRAME_SIZE, (void*)&x->x_framesize); - post( "speexout~ : frame size : %d", x->x_framesize ); - -} - - /* connect to the peer */ -static void speexout_connect(t_speexout *x, t_symbol *hostname, t_floatarg fportno) -{ - struct sockaddr_in csocket; - struct hostent *hp; - int portno = fportno; /* get port from message box */ - - /* variables used for communication with the peer */ - const char *buf = 0; - unsigned int len; - int sockfd; - -#ifndef UNIX - unsigned int ret; -#else - int ret; -#endif - - if (x->x_fd >= 0) - { - error("speexout~: already connected"); - return; - } - - sockfd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); - if (sockfd < 0) - { - error("speexout~: internal error while attempting to open socket"); - return; - } - - /* connect socket using hostname provided in command line */ - csocket.sin_family = AF_INET; - hp = gethostbyname(hostname->s_name); - if (hp == 0) - { - post("speexout~: bad host?"); -#ifndef UNIX - closesocket(sockfd); -#else - close(sockfd); -#endif - return; - } - memcpy((char *)&csocket.sin_addr, (char *)hp->h_addr, hp->h_length); - - /* assign client port number */ - csocket.sin_port = htons((unsigned short)portno); - - /* try to connect. */ - post("speexout~: connecting to port %d", portno); - if (connect(sockfd, (struct sockaddr *) &csocket, sizeof (csocket)) < 0) - { - error("speexout~: connection failed!\n"); -#ifndef UNIX - closesocket(sockfd); -#else - close(sockfd); -#endif - return; - } - - x->x_fd = sockfd; - x->x_outpackets = 0; - outlet_float( x->x_obj.ob_outlet, 1 ); - post( "speexout~ : connected to peer" ); - - -} - - /* close connection to the peer */ -static void speexout_disconnect(t_speexout *x) -{ - - int err = -1; - - if(x->x_fd >= 0) /* close socket */ - { -#ifndef UNIX - closesocket(x->x_fd); -#else - close(x->x_fd); -#endif - x->x_fd = -1; - outlet_float( x->x_obj.ob_outlet, 0 ); - post("speexout~: connection closed"); - } -} - - /* settings for encoding quality */ -static void speexout_quality(t_speexout *x, t_floatarg fquality ) -{ - if ( fquality < 0 || fquality > 10 ) { - post( "speexout~ : wrong quality." ); - return; - } - x->x_quality = fquality; - post("speexout~: setting quality to : %d", x->x_quality); - speex_encoder_ctl(x->x_encstate, SPEEX_SET_QUALITY, &x->x_quality); -} - - /* clean up */ -static void speexout_free(t_speexout *x) -{ - - speex_bits_destroy(&x->x_bits); - - speex_encoder_destroy(x->x_encstate); - - post("speexout~: encoder destroyed"); - - if(x->x_fd >= 0) -#ifndef UNIX - closesocket(x->x_fd); -#else - close(x->x_fd); -#endif - freebytes(x->x_inbuf, IN_BUFFER_SIZE*sizeof(t_float)); - freebytes(x->x_outbuf, OUT_BUFFER_SIZE); - freebytes(x->x_encchunk, x->x_framesize*sizeof(t_float)); -} - -static void *speexout_new(t_symbol *s, int argc, t_atom *argv) -{ - t_speexout *x = (t_speexout *)pd_new(speexout_class); - outlet_new( &x->x_obj, &s_float ); - - x->x_mode = SPEEX_NB_MODE; - x->x_quality = SPEEX_DEFAULT_QUALITY; - x->x_fd = -1; - x->x_outpackets = 0; - x->x_samplerate = sys_getsr(); - x->x_inbuf = getbytes(IN_BUFFER_SIZE*sizeof(t_float)); /* buffer for encoder input */ - x->x_outbuf = getbytes(OUT_BUFFER_SIZE); /* our mp3 stream */ - if ((!x->x_inbuf)||(!x->x_outbuf)) /* check buffers... */ - { - error("speexout~ : cannot allocate buffers"); - return NULL; - } - x->x_bytesbuffered = 0; - x->x_bytesemitted = 0; - x->x_inp = 0; - x->x_outp = 0; - x->x_encsize = 0; - x->x_start = -1; - speexout_tilde_speex_init(x); - - x->x_encchunk = (t_float*)getbytes(x->x_framesize*sizeof(t_float)); - if (!x->x_encchunk) /* check allocation... */ - { - error("speexout~ : cannot allocate chunk"); - return NULL; - } - return(x); -} - -void speexout_tilde_setup(void) -{ - post(speexout_version); - speexout_class = class_new(gensym("speexout~"), (t_newmethod)speexout_new, (t_method)speexout_free, - sizeof(t_speexout), 0, A_GIMME, 0); - CLASS_MAINSIGNALIN(speexout_class, t_speexout, x_f ); - class_addmethod(speexout_class, (t_method)speexout_dsp, gensym("dsp"), 0); - class_addmethod(speexout_class, (t_method)speexout_connect, gensym("connect"), A_SYMBOL, A_FLOAT, 0); - class_addmethod(speexout_class, (t_method)speexout_disconnect, gensym("disconnect"), 0); - class_addmethod(speexout_class, (t_method)speexout_quality, gensym("quality"), A_FLOAT, 0); -} - |