diff options
author | jdl <x75@users.sourceforge.net> | 2004-01-04 12:16:08 +0000 |
---|---|---|
committer | jdl <x75@users.sourceforge.net> | 2004-01-04 12:16:08 +0000 |
commit | ced726412c09f7fd3ef2eab1ff59305a720c03ec (patch) | |
tree | 156dc8ce8fe0c818617ba13fc4664f7415999673 /oggwrite~/oggwrite~.c | |
parent | ea8af3dcd4921987a6e63eb7b6e5c4601f20bbaa (diff) |
recommitting olaf's sources from 0.25
svn path=/trunk/externals/pdogg/; revision=1249
Diffstat (limited to 'oggwrite~/oggwrite~.c')
-rw-r--r-- | oggwrite~/oggwrite~.c | 1502 |
1 files changed, 751 insertions, 751 deletions
diff --git a/oggwrite~/oggwrite~.c b/oggwrite~/oggwrite~.c index 552973c..1648168 100644 --- a/oggwrite~/oggwrite~.c +++ b/oggwrite~/oggwrite~.c @@ -1,751 +1,751 @@ -/* -------------------------- oggwrite~ ---------------------------------------- */ -/* */ -/* Tilde object to send ogg/vorbis encoded stream to icecast2 server. */ -/* Written by Olaf Matthes (olaf.matthes@gmx.de). */ -/* Get source at http://www.akustische-kunst.de/puredata/ */ -/* */ -/* 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 encoding library which can be found at */ -/* http://www.vorbis.org */ -/* */ -/* ---------------------------------------------------------------------------- */ - - - -#ifdef NT -#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> -#include <malloc.h> -#include <ctype.h> -#include <time.h> -#ifdef UNIX -#include <unistd.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <netdb.h> -#include <sys/time.h> -#define SOCKET_ERROR -1 -#else -#include <io.h> -#include <windows.h> -#include <winsock.h> -#include <windef.h> -#endif - -#include "m_pd.h" /* standard pd stuff */ -#include "vorbisenc.h" /* vorbis encoder stuff */ - -#define READ 1024 /* number of samples send to encoder at each call */ - /* has to be even multiple of 64 */ - -static char *oggwrite_version = "oggwrite~: ogg/vorbis recorder version 0.1c, written by Olaf Matthes"; - -static t_class *oggwrite_class; - -typedef struct _oggwrite -{ - t_object x_obj; - /* 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_int x_vorbis; /* info about encoder status */ - t_float x_pages; /* number of pages that have been output to server */ - t_outlet *x_outpages; /* output to send them to */ - - /* 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_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_mountpoint; /* mountpoint for IceCast server */ - t_int x_bcpublic; /* do(n't) publish broadcast on www.oggwrite.com */ - - /* recording stuff */ - t_int x_fd; /* file descriptor of the mp3 output */ - t_int x_file_open_mode;/* file opening mode */ - t_int x_byteswritten; /* number of bytes written */ - t_int x_recflag; /* recording flag toggled by messages "start" and "stop" */ - - t_float x_f; /* float needed for signal input */ -} t_oggwrite; - -/* Utility functions */ - -static void sys_closesocket(int fd) -{ -#ifdef UNIX - close(fd); -#endif -#ifdef NT - closesocket(fd); -#endif -} - /* prototypes */ -static void oggwrite_vorbis_deinit(t_oggwrite *x); - -/* ----------------------------------------- oggwrite~ ---------------------------------- */ - /* write ogg/vorbis to file */ -static int oggwrite_write(t_oggwrite *x) -{ - int err = -1; /* error return code */ - - /* write out pages (if any) */ - while(!x->x_eos) - { - int result=ogg_stream_pageout(&(x->x_os),&(x->x_og)); - if(result==0)break; -#ifndef UNIX - err = _write(x->x_fd, x->x_og.header, x->x_og.header_len); -#else - err = write(x->x_fd, x->x_og.header, x->x_og.header_len); -#endif - if(err < 0) - { - error("oggwrite~: could not send ogg header to server (%d)", err); - x->x_eos = 1; /* indicate (artificial) end of stream */ - return err; - } -#ifndef UNIX - err = _write(x->x_fd, x->x_og.body, x->x_og.body_len); -#else - err = write(x->x_fd, x->x_og.body, x->x_og.body_len); -#endif - if(err < 0) - { - error("oggwrite~: could not send ogg body to server (%d)", err); - x->x_eos = 1; /* indicate (artificial) end of stream */ - return err; - } - x->x_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; - } - outlet_float(x->x_outpages, x->x_pages); /* update info */ - return 1; -} - - - /* encode data to ogg/vorbis stream */ -static void oggwrite_encode(t_oggwrite *x) -{ - unsigned short i, ch; - int err = 1; - int n; - int channel = x->x_channels; /* make lokal copy of num. of channels */ - - /* expose the buffer to submit data */ - float **inbuffer=vorbis_analysis_buffer(&(x->x_vd),READ); - - /* read from buffer */ - for(n = 0; n < READ / channel; n++) /* fill encode buffer */ - { - for(ch = 0; ch < channel; ch++) - { - inbuffer[ch][n] = (float)x->x_buffer[n * channel + ch]; - } - } - /* 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 = oggwrite_write(x); /* stream packet to server */ - } - } - /* check for errors */ - if(err < 0) - { - if(x->x_fd > 0) - { -#ifndef UNIX - if(_close(x->x_fd) < 0) -#else - if(close(x->x_fd) < 0) -#endif - { - post( "oggwrite~: file closed due to an error" ); - outlet_float(x->x_obj.ob_outlet, 0); - } - } - } -} - - /* buffer data as channel interleaved floats */ -static t_int *oggwrite_perform(t_int *w) -{ - t_float *in1 = (t_float *)(w[1]); /* left audio inlet */ - t_float *in2 = (t_float *)(w[2]); /* right audio inlet */ - t_oggwrite *x = (t_oggwrite *)(w[3]); - int n = (int)(w[4]); /* number of samples */ - int i; - t_float in; - - /* copy the data into the buffer */ - if(x->x_channels != 1) /* everything but mono */ - { - n *= 2; /* two channels go into one buffer */ - - for(i = 0; i < n; i++) - { - if(i%2) - { - in = *(in2++); /* right inlet */ - } - else - { - in = *(in1++); /* left inlet */ - } - if (in > 1.0) { in = 1.0; } - if (in < -1.0) { in = -1.0; } - x->x_buffer[i + x->x_bytesbuffered] = in; - } - } - else /* mono encoding -> just take left signal inlet 'in1' */ - { - for(i = 0; i < n; i++) - { - in = *(in1++); - if (in > 1.0) { in = 1.0; } - if (in < -1.0) { in = -1.0; } - x->x_buffer[i + x->x_bytesbuffered] = in; - } - } - /* count, encode and send ogg/vorbis */ - if((x->x_fd >= 0)&&(x->x_recflag)) - { - /* count buffered samples when connected */ - x->x_bytesbuffered += n; - - /* encode and send to server */ - if((x->x_bytesbuffered >= READ)&&(x->x_vorbis >= 0)) - { - oggwrite_encode(x); /* encode data */ - x->x_bytesbuffered = 0; /* assume we got rid of all of them */ - } - } - return (w+5); -} - -static void oggwrite_dsp(t_oggwrite *x, t_signal **sp) -{ - dsp_add(oggwrite_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n); -} - - /* initialize the vorbisenc library */ -static void oggwrite_vorbis_init(t_oggwrite *x) -{ - int err = -1; - - x->x_vorbis = -1; /* indicate that encoder is not available right now */ - - /* choose an encoding mode */ - vorbis_info_init(&(x->x_vi)); - - if(x->x_samplerate != sys_getsr())post("oggwrite~: warning: resampling from %d to %.0f not supported", x->x_samplerate, sys_getsr()); - 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("oggwrite~: ogg/vorbis mode initialisation failed: invalid parameters for quality"); - vorbis_info_clear(&(x->x_vi)); - return; - } - } - 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("oggwrite~: ogg/vorbis mode initialisation failed: invalid parameters for quality"); - vorbis_info_clear(&(x->x_vi)); - return; - } - } - - /* 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","oggwrite~ v0.1b 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; -#ifndef UNIX - err = _write(x->x_fd, x->x_og.header, x->x_og.header_len); -#else - err = write(x->x_fd, x->x_og.header, x->x_og.header_len); -#endif - if(err < 0) - { - error("oggwrite~: could not write ogg header to file (%d)", err); - x->x_eos = 1; /* indicate end of stream */ - x->x_vorbis = -1; /* stop encoding instantly */ - if(x->x_fd > 0) - { -#ifndef UNIX - if(_close(x->x_fd) < 0) -#else - if(close(x->x_fd) < 0) -#endif - { - post( "oggwrite~: file closed due to an error" ); - outlet_float(x->x_obj.ob_outlet, 0); - } - } - return; - } -#ifndef UNIX - err = _write(x->x_fd, x->x_og.body, x->x_og.body_len); -#else - err = write(x->x_fd, x->x_og.body, x->x_og.body_len); -#endif - if(err < 0) - { - error("oggwrite~: could not write ogg body to file (%d)", err); - x->x_eos = 1; /* indicate end of stream */ - x->x_vorbis = -1; /* stop encoding instantly */ - if(x->x_fd > 0) - { -#ifndef UNIX - if(_close(x->x_fd) < 0) -#else - if(close(x->x_fd) < 0) -#endif - { - post( "oggwrite~: file closed due to an error" ); - outlet_float(x->x_obj.ob_outlet, 0); - } - } - return; - } - } - } - x->x_vorbis = 1; /* vorbis encoder initialised */ - post("oggwrite~: ogg/vorbis encoder (re)initialised"); -} - - /* initialize the vorbisenc library */ -static void oggwrite_vorbis_deinit(t_oggwrite *x) -{ - x->x_vorbis = -1; - vorbis_analysis_wrote(&(x->x_vd),0); - /* 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)); - post("oggwrite~: ogg/vorbis encoder closed"); -} - - /* connect to oggwrite server */ -static void oggwrite_open(t_oggwrite *x, t_symbol *sfile) -{ - time_t now; /* to get the time */ - - /* closing previous file descriptor */ - if(x->x_fd > 0) - { -#ifndef UNIX - if(_close(x->x_fd) < 0) -#else - if(close(x->x_fd) < 0) -#endif - { - error( "oggwrite~: file closed" ); - outlet_float(x->x_obj.ob_outlet, 0); - } - } - - if(x->x_recflag) - { - x->x_recflag = 0; - } - -#ifndef UNIX - if((x->x_fd = _open( sfile->s_name, x->x_file_open_mode, _S_IREAD|_S_IWRITE)) < 0) -#else - if((x->x_fd = open( sfile->s_name, x->x_file_open_mode, S_IRWXU|S_IRWXG|S_IRWXO )) < 0) -#endif - { - error( "oggwrite~: can not open \"%s\"", sfile->s_name); - x->x_fd=-1; - return; - } - x->x_byteswritten = 0; - post( "oggwrite~: \"%s \" opened", sfile->s_name); - outlet_float(x->x_obj.ob_outlet, 1); - - /* get the time for the DATE comment, then init encoder */ - now=time(NULL); - x->x_bcdate = ctime(&now); - - x->x_eos = 0; - oggwrite_vorbis_init(x); -} - - /* setting file write mode to append */ -static void oggwrite_append(t_oggwrite *x) -{ -#ifndef UNIX - x->x_file_open_mode = _O_CREAT|_O_WRONLY|_O_APPEND|_O_BINARY; -#else - x->x_file_open_mode = O_CREAT|O_WRONLY|O_APPEND|O_NONBLOCK; -#endif - if(x->x_fd>=0)post("oggwrite~: mode set to append: open a new file to make changes take effect"); -} - - /* setting file write mode to truncate */ -static void oggwrite_truncate(t_oggwrite *x) -{ -#ifndef UNIX - x->x_file_open_mode = _O_CREAT|_O_WRONLY|_O_TRUNC|_O_BINARY; -#else - x->x_file_open_mode = O_CREAT|O_WRONLY|O_TRUNC|O_NONBLOCK; -#endif - if(x->x_fd>=0)post("oggwrite~: mode set to truncate: open a new file to make changes take effect"); -} - - /* start recording */ -static void oggwrite_start(t_oggwrite *x) -{ - if ( x->x_fd < 0 ) { - post("oggwrite~: no file selected"); - return; - } - - if ( x->x_recflag == 1 ) { - post("oggwrite~: already recording"); - return; - } - if(x->x_vorbis < 0) - { - oggwrite_vorbis_init(x); - } - - x->x_recflag = 1; - post("oggwrite~: start recording"); -} - - /* stop recording */ -static void oggwrite_stop(t_oggwrite *x) -{ - int err = -1; - - /* first stop recording / buffering and so on, than do the rest */ - x->x_recflag = 0; - post("oggwrite~: recording stoped"); - if(x->x_vorbis >= 0) - { - oggwrite_vorbis_deinit(x); - } -} - - /* set comment fields for header (reads in just anything) */ -static void oggwrite_comment(t_oggwrite *x, t_symbol *s, t_int argc, t_atom* argv) -{ - int i = argc; - char *comment = NULL; - int len = strlen(atom_gensym(argv)->s_name); - - comment = atom_gensym(argv)->s_name; - - while (len--) - { - if(*(comment + len) == '=')*(comment + len) = ' '; - } - - if(strstr(s->s_name, "ARTIST")) - { - x->x_bcartist = comment; - post("oggwrite~: ARTIST = %s", x->x_bcartist); - } - else if(strstr(s->s_name, "GENRE")) - { - x->x_bcgenre = comment; - post("oggwrite~: GENRE = %s", x->x_bcgenre); - } - else if(strstr(s->s_name, "TITLE")) - { - x->x_bcname = comment; - post("oggwrite~: TITLE = %s", x->x_bcname); - } - else if(strstr(s->s_name, "PERFORMER")) - { - x->x_bcperformer = comment; - post("oggwrite~: PERFORMER = %s", x->x_bcperformer); - } - else if(strstr(s->s_name, "LOCATION")) - { - x->x_bclocation = comment; - post("oggwrite~: LOCATION = %s", x->x_bclocation); - } - else if(strstr(s->s_name, "COPYRIGHT")) - { - x->x_bccopyright = comment; - post("oggwrite~: COPYRIGHT = %s", x->x_bccopyright); - } - else if(strstr(s->s_name, "CONTACT")) - { - x->x_bccontact = comment; - post("oggwrite~: CONTACT = %s", x->x_bccontact); - } - else if(strstr(s->s_name, "DESCRIPTION")) - { - x->x_bcdescription = comment; - post("oggwrite~: DESCRIPTION = %s", x->x_bcdescription); - } - else if(strstr(s->s_name, "DATE")) - { - x->x_bcdate = comment; - post("oggwrite~: DATE=%s", x->x_bcdate); - } - else post("oggwrite~: no method for %s", s->s_name); - if(x->x_vorbis >=0) - { - oggwrite_vorbis_deinit(x); - oggwrite_vorbis_init(x); - } -} - - /* settings for variable bitrate encoding */ -static void oggwrite_vbr(t_oggwrite *x, t_floatarg fsr, t_floatarg fchannels, - t_floatarg fquality) -{ - x->x_vbr = 1; - x->x_samplerate = (t_int)fsr; - x->x_quality = fquality; - x->x_channels = (t_int)fchannels; - post("oggwrite~: %d channels @ %d Hz, quality %.2f", x->x_channels, x->x_samplerate, x->x_quality); - if(x->x_vorbis >=0) - { - oggwrite_vorbis_deinit(x); - oggwrite_vorbis_init(x); - } -} - - /* settings for bitrate-based vbr encoding */ -static void oggwrite_vorbis(t_oggwrite *x, t_floatarg fsr, t_floatarg fchannels, - t_floatarg fmax, t_floatarg fnom, t_floatarg fmin) -{ - 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("oggwrite~: %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_vorbis >=0) - { - oggwrite_vorbis_deinit(x); - oggwrite_vorbis_init(x); - } -} - - /* print settings to pd's console window */ -static void oggwrite_print(t_oggwrite *x) -{ - if(x->x_vbr == 1) - { - post("oggwrite~: Ogg Vorbis encoder: %d channels @ %d Hz, quality %.2f", x->x_channels, x->x_samplerate, x->x_quality); - } - else - { - post("oggwrite~: 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("oggwrite~: 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); -} - - - /* clean up */ -static void oggwrite_free(t_oggwrite *x) -{ - if(x->x_vorbis >= 0) /* close encoder */ - { - oggwrite_vorbis_deinit(x); - } - if(x->x_fd >= 0) - { /* close file */ -#ifndef UNIX - _close(x->x_fd); -#else - close(x->x_fd); -#endif - outlet_float(x->x_obj.ob_outlet, 0); - } - freebytes(x->x_buffer, READ*sizeof(t_float)); -} - -static void *oggwrite_new(void) -{ - t_oggwrite *x = (t_oggwrite *)pd_new(oggwrite_class); - inlet_new (&x->x_obj, &x->x_obj.ob_pd, gensym ("signal"), gensym ("signal")); - outlet_new(&x->x_obj, gensym("float")); - x->x_outpages = outlet_new(&x->x_obj, gensym("float")); - x->x_fd = -1; -#ifndef UNIX - x->x_file_open_mode = _O_CREAT|_O_WRONLY|_O_APPEND|_O_BINARY; -#else - x->x_file_open_mode = O_CREAT|O_WRONLY|O_APPEND|O_NONBLOCK; -#endif - x->x_vorbis = -1; - x->x_eos = 0; - x->x_vbr = 1; /* use the vbr setting by default */ - x->x_samplerate = sys_getsr(); /* no resampling supported, sorry */ - x->x_quality = 0.4; /* quality 0.4 gives roughly 128kbps VBR stream */ - x->x_channels = 2; /* stereo */ - x->x_br_max = 144; - x->x_br_nom = 128; - x->x_br_min = 96; - x->x_buffer = getbytes(READ*sizeof(t_float)); - if (!x->x_buffer) /* check buffer */ - { - error("out of memory!"); - } - x->x_bytesbuffered = 0; - x->x_pages = 0; - x->x_bcname = "ogg/vorbis stream"; - x->x_bcurl = "http://www.pure-data.org/"; - x->x_bcgenre = "experimental"; - x->x_bcdescription = "ogg/vorbis stream recorded with pure-data using oggwrite~"; - x->x_bcartist = "pure-data"; - x->x_bclocation = x->x_bcurl; - x->x_bccopyright = ""; - x->x_bcperformer = ""; - x->x_bccontact = ""; - x->x_bcdate = ""; - post(oggwrite_version); - return(x); -} - -void oggwrite_tilde_setup(void) -{ - oggwrite_class = class_new(gensym("oggwrite~"), (t_newmethod)oggwrite_new, (t_method)oggwrite_free, - sizeof(t_oggwrite), 0, 0); - CLASS_MAINSIGNALIN(oggwrite_class, t_oggwrite, x_f ); - class_sethelpsymbol(oggwrite_class, gensym("help-oggwrite~.pd")); - class_addmethod(oggwrite_class, (t_method)oggwrite_dsp, gensym("dsp"), 0); - class_addmethod(oggwrite_class, (t_method)oggwrite_open, gensym("open"), A_SYMBOL, 0); - class_addmethod(oggwrite_class, (t_method)oggwrite_start, gensym("start"), 0); - class_addmethod(oggwrite_class, (t_method)oggwrite_stop, gensym("stop"), 0); - class_addmethod(oggwrite_class, (t_method)oggwrite_append, gensym("append"), 0); - class_addmethod(oggwrite_class, (t_method)oggwrite_truncate, gensym("truncate"), 0); - class_addmethod(oggwrite_class, (t_method)oggwrite_vorbis, gensym("vorbis"), A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT, 0); - class_addmethod(oggwrite_class, (t_method)oggwrite_vbr, gensym("vbr"), A_FLOAT, A_FLOAT, A_FLOAT, 0); - class_addmethod(oggwrite_class, (t_method)oggwrite_print, gensym("print"), 0); - class_addanything(oggwrite_class, oggwrite_comment); -} +/* -------------------------- oggwrite~ ---------------------------------------- */
+/* */
+/* Tilde object to send ogg/vorbis encoded stream to icecast2 server. */
+/* Written by Olaf Matthes (olaf.matthes@gmx.de). */
+/* Get source at http://www.akustische-kunst.de/puredata/ */
+/* */
+/* 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 encoding library which can be found at */
+/* http://www.vorbis.org */
+/* */
+/* ---------------------------------------------------------------------------- */
+
+
+
+#ifdef NT
+#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>
+#include <malloc.h>
+#include <ctype.h>
+#include <time.h>
+#ifdef UNIX
+#include <unistd.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <sys/time.h>
+#define SOCKET_ERROR -1
+#else
+#include <io.h>
+#include <windows.h>
+#include <winsock.h>
+#include <windef.h>
+#endif
+
+#include "m_pd.h" /* standard pd stuff */
+#include "vorbisenc.h" /* vorbis encoder stuff */
+
+#define READ 1024 /* number of samples send to encoder at each call */
+ /* has to be even multiple of 64 */
+
+static char *oggwrite_version = "oggwrite~: ogg/vorbis recorder version 0.1c, written by Olaf Matthes";
+
+static t_class *oggwrite_class;
+
+typedef struct _oggwrite
+{
+ t_object x_obj;
+ /* 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_int x_vorbis; /* info about encoder status */
+ t_float x_pages; /* number of pages that have been output to server */
+ t_outlet *x_outpages; /* output to send them to */
+
+ /* 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_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_mountpoint; /* mountpoint for IceCast server */
+ t_int x_bcpublic; /* do(n't) publish broadcast on www.oggwrite.com */
+
+ /* recording stuff */
+ t_int x_fd; /* file descriptor of the mp3 output */
+ t_int x_file_open_mode;/* file opening mode */
+ t_int x_byteswritten; /* number of bytes written */
+ t_int x_recflag; /* recording flag toggled by messages "start" and "stop" */
+
+ t_float x_f; /* float needed for signal input */
+} t_oggwrite;
+
+/* Utility functions */
+
+static void sys_closesocket(int fd)
+{
+#ifdef UNIX
+ close(fd);
+#endif
+#ifdef NT
+ closesocket(fd);
+#endif
+}
+ /* prototypes */
+static void oggwrite_vorbis_deinit(t_oggwrite *x);
+
+/* ----------------------------------------- oggwrite~ ---------------------------------- */
+ /* write ogg/vorbis to file */
+static int oggwrite_write(t_oggwrite *x)
+{
+ int err = -1; /* error return code */
+
+ /* write out pages (if any) */
+ while(!x->x_eos)
+ {
+ int result=ogg_stream_pageout(&(x->x_os),&(x->x_og));
+ if(result==0)break;
+#ifndef UNIX
+ err = _write(x->x_fd, x->x_og.header, x->x_og.header_len);
+#else
+ err = write(x->x_fd, x->x_og.header, x->x_og.header_len);
+#endif
+ if(err < 0)
+ {
+ error("oggwrite~: could not send ogg header to server (%d)", err);
+ x->x_eos = 1; /* indicate (artificial) end of stream */
+ return err;
+ }
+#ifndef UNIX
+ err = _write(x->x_fd, x->x_og.body, x->x_og.body_len);
+#else
+ err = write(x->x_fd, x->x_og.body, x->x_og.body_len);
+#endif
+ if(err < 0)
+ {
+ error("oggwrite~: could not send ogg body to server (%d)", err);
+ x->x_eos = 1; /* indicate (artificial) end of stream */
+ return err;
+ }
+ x->x_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;
+ }
+ outlet_float(x->x_outpages, x->x_pages); /* update info */
+ return 1;
+}
+
+
+ /* encode data to ogg/vorbis stream */
+static void oggwrite_encode(t_oggwrite *x)
+{
+ unsigned short i, ch;
+ int err = 1;
+ int n;
+ int channel = x->x_channels; /* make lokal copy of num. of channels */
+
+ /* expose the buffer to submit data */
+ float **inbuffer=vorbis_analysis_buffer(&(x->x_vd),READ);
+
+ /* read from buffer */
+ for(n = 0; n < READ / channel; n++) /* fill encode buffer */
+ {
+ for(ch = 0; ch < channel; ch++)
+ {
+ inbuffer[ch][n] = (float)x->x_buffer[n * channel + ch];
+ }
+ }
+ /* 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 = oggwrite_write(x); /* stream packet to server */
+ }
+ }
+ /* check for errors */
+ if(err < 0)
+ {
+ if(x->x_fd > 0)
+ {
+#ifndef UNIX
+ if(_close(x->x_fd) < 0)
+#else
+ if(close(x->x_fd) < 0)
+#endif
+ {
+ post( "oggwrite~: file closed due to an error" );
+ outlet_float(x->x_obj.ob_outlet, 0);
+ }
+ }
+ }
+}
+
+ /* buffer data as channel interleaved floats */
+static t_int *oggwrite_perform(t_int *w)
+{
+ t_float *in1 = (t_float *)(w[1]); /* left audio inlet */
+ t_float *in2 = (t_float *)(w[2]); /* right audio inlet */
+ t_oggwrite *x = (t_oggwrite *)(w[3]);
+ int n = (int)(w[4]); /* number of samples */
+ int i;
+ t_float in;
+
+ /* copy the data into the buffer */
+ if(x->x_channels != 1) /* everything but mono */
+ {
+ n *= 2; /* two channels go into one buffer */
+
+ for(i = 0; i < n; i++)
+ {
+ if(i%2)
+ {
+ in = *(in2++); /* right inlet */
+ }
+ else
+ {
+ in = *(in1++); /* left inlet */
+ }
+ if (in > 1.0) { in = 1.0; }
+ if (in < -1.0) { in = -1.0; }
+ x->x_buffer[i + x->x_bytesbuffered] = in;
+ }
+ }
+ else /* mono encoding -> just take left signal inlet 'in1' */
+ {
+ for(i = 0; i < n; i++)
+ {
+ in = *(in1++);
+ if (in > 1.0) { in = 1.0; }
+ if (in < -1.0) { in = -1.0; }
+ x->x_buffer[i + x->x_bytesbuffered] = in;
+ }
+ }
+ /* count, encode and send ogg/vorbis */
+ if((x->x_fd >= 0)&&(x->x_recflag))
+ {
+ /* count buffered samples when connected */
+ x->x_bytesbuffered += n;
+
+ /* encode and send to server */
+ if((x->x_bytesbuffered >= READ)&&(x->x_vorbis >= 0))
+ {
+ oggwrite_encode(x); /* encode data */
+ x->x_bytesbuffered = 0; /* assume we got rid of all of them */
+ }
+ }
+ return (w+5);
+}
+
+static void oggwrite_dsp(t_oggwrite *x, t_signal **sp)
+{
+ dsp_add(oggwrite_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n);
+}
+
+ /* initialize the vorbisenc library */
+static void oggwrite_vorbis_init(t_oggwrite *x)
+{
+ int err = -1;
+
+ x->x_vorbis = -1; /* indicate that encoder is not available right now */
+
+ /* choose an encoding mode */
+ vorbis_info_init(&(x->x_vi));
+
+ if(x->x_samplerate != sys_getsr())post("oggwrite~: warning: resampling from %d to %.0f not supported", x->x_samplerate, sys_getsr());
+ 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("oggwrite~: ogg/vorbis mode initialisation failed: invalid parameters for quality");
+ vorbis_info_clear(&(x->x_vi));
+ return;
+ }
+ }
+ 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("oggwrite~: ogg/vorbis mode initialisation failed: invalid parameters for quality");
+ vorbis_info_clear(&(x->x_vi));
+ return;
+ }
+ }
+
+ /* 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","oggwrite~ v0.1b 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;
+#ifndef UNIX
+ err = _write(x->x_fd, x->x_og.header, x->x_og.header_len);
+#else
+ err = write(x->x_fd, x->x_og.header, x->x_og.header_len);
+#endif
+ if(err < 0)
+ {
+ error("oggwrite~: could not write ogg header to file (%d)", err);
+ x->x_eos = 1; /* indicate end of stream */
+ x->x_vorbis = -1; /* stop encoding instantly */
+ if(x->x_fd > 0)
+ {
+#ifndef UNIX
+ if(_close(x->x_fd) < 0)
+#else
+ if(close(x->x_fd) < 0)
+#endif
+ {
+ post( "oggwrite~: file closed due to an error" );
+ outlet_float(x->x_obj.ob_outlet, 0);
+ }
+ }
+ return;
+ }
+#ifndef UNIX
+ err = _write(x->x_fd, x->x_og.body, x->x_og.body_len);
+#else
+ err = write(x->x_fd, x->x_og.body, x->x_og.body_len);
+#endif
+ if(err < 0)
+ {
+ error("oggwrite~: could not write ogg body to file (%d)", err);
+ x->x_eos = 1; /* indicate end of stream */
+ x->x_vorbis = -1; /* stop encoding instantly */
+ if(x->x_fd > 0)
+ {
+#ifndef UNIX
+ if(_close(x->x_fd) < 0)
+#else
+ if(close(x->x_fd) < 0)
+#endif
+ {
+ post( "oggwrite~: file closed due to an error" );
+ outlet_float(x->x_obj.ob_outlet, 0);
+ }
+ }
+ return;
+ }
+ }
+ }
+ x->x_vorbis = 1; /* vorbis encoder initialised */
+ post("oggwrite~: ogg/vorbis encoder (re)initialised");
+}
+
+ /* initialize the vorbisenc library */
+static void oggwrite_vorbis_deinit(t_oggwrite *x)
+{
+ x->x_vorbis = -1;
+ vorbis_analysis_wrote(&(x->x_vd),0);
+ /* 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));
+ post("oggwrite~: ogg/vorbis encoder closed");
+}
+
+ /* connect to oggwrite server */
+static void oggwrite_open(t_oggwrite *x, t_symbol *sfile)
+{
+ time_t now; /* to get the time */
+
+ /* closing previous file descriptor */
+ if(x->x_fd > 0)
+ {
+#ifndef UNIX
+ if(_close(x->x_fd) < 0)
+#else
+ if(close(x->x_fd) < 0)
+#endif
+ {
+ error( "oggwrite~: file closed" );
+ outlet_float(x->x_obj.ob_outlet, 0);
+ }
+ }
+
+ if(x->x_recflag)
+ {
+ x->x_recflag = 0;
+ }
+
+#ifndef UNIX
+ if((x->x_fd = _open( sfile->s_name, x->x_file_open_mode, _S_IREAD|_S_IWRITE)) < 0)
+#else
+ if((x->x_fd = open( sfile->s_name, x->x_file_open_mode, S_IRWXU|S_IRWXG|S_IRWXO )) < 0)
+#endif
+ {
+ error( "oggwrite~: can not open \"%s\"", sfile->s_name);
+ x->x_fd=-1;
+ return;
+ }
+ x->x_byteswritten = 0;
+ post( "oggwrite~: \"%s \" opened", sfile->s_name);
+ outlet_float(x->x_obj.ob_outlet, 1);
+
+ /* get the time for the DATE comment, then init encoder */
+ now=time(NULL);
+ x->x_bcdate = ctime(&now);
+
+ x->x_eos = 0;
+ oggwrite_vorbis_init(x);
+}
+
+ /* setting file write mode to append */
+static void oggwrite_append(t_oggwrite *x)
+{
+#ifndef UNIX
+ x->x_file_open_mode = _O_CREAT|_O_WRONLY|_O_APPEND|_O_BINARY;
+#else
+ x->x_file_open_mode = O_CREAT|O_WRONLY|O_APPEND|O_NONBLOCK;
+#endif
+ if(x->x_fd>=0)post("oggwrite~: mode set to append: open a new file to make changes take effect");
+}
+
+ /* setting file write mode to truncate */
+static void oggwrite_truncate(t_oggwrite *x)
+{
+#ifndef UNIX
+ x->x_file_open_mode = _O_CREAT|_O_WRONLY|_O_TRUNC|_O_BINARY;
+#else
+ x->x_file_open_mode = O_CREAT|O_WRONLY|O_TRUNC|O_NONBLOCK;
+#endif
+ if(x->x_fd>=0)post("oggwrite~: mode set to truncate: open a new file to make changes take effect");
+}
+
+ /* start recording */
+static void oggwrite_start(t_oggwrite *x)
+{
+ if ( x->x_fd < 0 ) {
+ post("oggwrite~: no file selected");
+ return;
+ }
+
+ if ( x->x_recflag == 1 ) {
+ post("oggwrite~: already recording");
+ return;
+ }
+ if(x->x_vorbis < 0)
+ {
+ oggwrite_vorbis_init(x);
+ }
+
+ x->x_recflag = 1;
+ post("oggwrite~: start recording");
+}
+
+ /* stop recording */
+static void oggwrite_stop(t_oggwrite *x)
+{
+ int err = -1;
+
+ /* first stop recording / buffering and so on, than do the rest */
+ x->x_recflag = 0;
+ post("oggwrite~: recording stoped");
+ if(x->x_vorbis >= 0)
+ {
+ oggwrite_vorbis_deinit(x);
+ }
+}
+
+ /* set comment fields for header (reads in just anything) */
+static void oggwrite_comment(t_oggwrite *x, t_symbol *s, t_int argc, t_atom* argv)
+{
+ int i = argc;
+ char *comment = NULL;
+ int len = strlen(atom_gensym(argv)->s_name);
+
+ comment = atom_gensym(argv)->s_name;
+
+ while (len--)
+ {
+ if(*(comment + len) == '=')*(comment + len) = ' ';
+ }
+
+ if(strstr(s->s_name, "ARTIST"))
+ {
+ x->x_bcartist = comment;
+ post("oggwrite~: ARTIST = %s", x->x_bcartist);
+ }
+ else if(strstr(s->s_name, "GENRE"))
+ {
+ x->x_bcgenre = comment;
+ post("oggwrite~: GENRE = %s", x->x_bcgenre);
+ }
+ else if(strstr(s->s_name, "TITLE"))
+ {
+ x->x_bcname = comment;
+ post("oggwrite~: TITLE = %s", x->x_bcname);
+ }
+ else if(strstr(s->s_name, "PERFORMER"))
+ {
+ x->x_bcperformer = comment;
+ post("oggwrite~: PERFORMER = %s", x->x_bcperformer);
+ }
+ else if(strstr(s->s_name, "LOCATION"))
+ {
+ x->x_bclocation = comment;
+ post("oggwrite~: LOCATION = %s", x->x_bclocation);
+ }
+ else if(strstr(s->s_name, "COPYRIGHT"))
+ {
+ x->x_bccopyright = comment;
+ post("oggwrite~: COPYRIGHT = %s", x->x_bccopyright);
+ }
+ else if(strstr(s->s_name, "CONTACT"))
+ {
+ x->x_bccontact = comment;
+ post("oggwrite~: CONTACT = %s", x->x_bccontact);
+ }
+ else if(strstr(s->s_name, "DESCRIPTION"))
+ {
+ x->x_bcdescription = comment;
+ post("oggwrite~: DESCRIPTION = %s", x->x_bcdescription);
+ }
+ else if(strstr(s->s_name, "DATE"))
+ {
+ x->x_bcdate = comment;
+ post("oggwrite~: DATE=%s", x->x_bcdate);
+ }
+ else post("oggwrite~: no method for %s", s->s_name);
+ if(x->x_vorbis >=0)
+ {
+ oggwrite_vorbis_deinit(x);
+ oggwrite_vorbis_init(x);
+ }
+}
+
+ /* settings for variable bitrate encoding */
+static void oggwrite_vbr(t_oggwrite *x, t_floatarg fsr, t_floatarg fchannels,
+ t_floatarg fquality)
+{
+ x->x_vbr = 1;
+ x->x_samplerate = (t_int)fsr;
+ x->x_quality = fquality;
+ x->x_channels = (t_int)fchannels;
+ post("oggwrite~: %d channels @ %d Hz, quality %.2f", x->x_channels, x->x_samplerate, x->x_quality);
+ if(x->x_vorbis >=0)
+ {
+ oggwrite_vorbis_deinit(x);
+ oggwrite_vorbis_init(x);
+ }
+}
+
+ /* settings for bitrate-based vbr encoding */
+static void oggwrite_vorbis(t_oggwrite *x, t_floatarg fsr, t_floatarg fchannels,
+ t_floatarg fmax, t_floatarg fnom, t_floatarg fmin)
+{
+ 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("oggwrite~: %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_vorbis >=0)
+ {
+ oggwrite_vorbis_deinit(x);
+ oggwrite_vorbis_init(x);
+ }
+}
+
+ /* print settings to pd's console window */
+static void oggwrite_print(t_oggwrite *x)
+{
+ if(x->x_vbr == 1)
+ {
+ post("oggwrite~: Ogg Vorbis encoder: %d channels @ %d Hz, quality %.2f", x->x_channels, x->x_samplerate, x->x_quality);
+ }
+ else
+ {
+ post("oggwrite~: 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("oggwrite~: 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);
+}
+
+
+ /* clean up */
+static void oggwrite_free(t_oggwrite *x)
+{
+ if(x->x_vorbis >= 0) /* close encoder */
+ {
+ oggwrite_vorbis_deinit(x);
+ }
+ if(x->x_fd >= 0)
+ { /* close file */
+#ifndef UNIX
+ _close(x->x_fd);
+#else
+ close(x->x_fd);
+#endif
+ outlet_float(x->x_obj.ob_outlet, 0);
+ }
+ freebytes(x->x_buffer, READ*sizeof(t_float));
+}
+
+static void *oggwrite_new(void)
+{
+ t_oggwrite *x = (t_oggwrite *)pd_new(oggwrite_class);
+ inlet_new (&x->x_obj, &x->x_obj.ob_pd, gensym ("signal"), gensym ("signal"));
+ outlet_new(&x->x_obj, gensym("float"));
+ x->x_outpages = outlet_new(&x->x_obj, gensym("float"));
+ x->x_fd = -1;
+#ifndef UNIX
+ x->x_file_open_mode = _O_CREAT|_O_WRONLY|_O_APPEND|_O_BINARY;
+#else
+ x->x_file_open_mode = O_CREAT|O_WRONLY|O_APPEND|O_NONBLOCK;
+#endif
+ x->x_vorbis = -1;
+ x->x_eos = 0;
+ x->x_vbr = 1; /* use the vbr setting by default */
+ x->x_samplerate = sys_getsr(); /* no resampling supported, sorry */
+ x->x_quality = 0.4; /* quality 0.4 gives roughly 128kbps VBR stream */
+ x->x_channels = 2; /* stereo */
+ x->x_br_max = 144;
+ x->x_br_nom = 128;
+ x->x_br_min = 96;
+ x->x_buffer = getbytes(READ*sizeof(t_float));
+ if (!x->x_buffer) /* check buffer */
+ {
+ error("out of memory!");
+ }
+ x->x_bytesbuffered = 0;
+ x->x_pages = 0;
+ x->x_bcname = "ogg/vorbis stream";
+ x->x_bcurl = "http://www.pure-data.org/";
+ x->x_bcgenre = "experimental";
+ x->x_bcdescription = "ogg/vorbis stream recorded with pure-data using oggwrite~";
+ x->x_bcartist = "pure-data";
+ x->x_bclocation = x->x_bcurl;
+ x->x_bccopyright = "";
+ x->x_bcperformer = "";
+ x->x_bccontact = "";
+ x->x_bcdate = "";
+ post(oggwrite_version);
+ return(x);
+}
+
+void oggwrite_tilde_setup(void)
+{
+ oggwrite_class = class_new(gensym("oggwrite~"), (t_newmethod)oggwrite_new, (t_method)oggwrite_free,
+ sizeof(t_oggwrite), 0, 0);
+ CLASS_MAINSIGNALIN(oggwrite_class, t_oggwrite, x_f );
+ class_sethelpsymbol(oggwrite_class, gensym("help-oggwrite~.pd"));
+ class_addmethod(oggwrite_class, (t_method)oggwrite_dsp, gensym("dsp"), 0);
+ class_addmethod(oggwrite_class, (t_method)oggwrite_open, gensym("open"), A_SYMBOL, 0);
+ class_addmethod(oggwrite_class, (t_method)oggwrite_start, gensym("start"), 0);
+ class_addmethod(oggwrite_class, (t_method)oggwrite_stop, gensym("stop"), 0);
+ class_addmethod(oggwrite_class, (t_method)oggwrite_append, gensym("append"), 0);
+ class_addmethod(oggwrite_class, (t_method)oggwrite_truncate, gensym("truncate"), 0);
+ class_addmethod(oggwrite_class, (t_method)oggwrite_vorbis, gensym("vorbis"), A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT, 0);
+ class_addmethod(oggwrite_class, (t_method)oggwrite_vbr, gensym("vbr"), A_FLOAT, A_FLOAT, A_FLOAT, 0);
+ class_addmethod(oggwrite_class, (t_method)oggwrite_print, gensym("print"), 0);
+ class_addanything(oggwrite_class, oggwrite_comment);
+}
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