aboutsummaryrefslogtreecommitdiff
path: root/src/ReadVorbis.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/ReadVorbis.cpp')
-rw-r--r--src/ReadVorbis.cpp272
1 files changed, 0 insertions, 272 deletions
diff --git a/src/ReadVorbis.cpp b/src/ReadVorbis.cpp
deleted file mode 100644
index 500486c..0000000
--- a/src/ReadVorbis.cpp
+++ /dev/null
@@ -1,272 +0,0 @@
-/*
- * readanysf~ external for pd.
- *
- * Copyright (C) 2003 August Black
- *
- * 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.
- *
- * 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
- *
- * ReadVorbis.cpp || much code (C) by Olaf Matthes
- * http://www.akustische-kunst.org/puredata/shout/shout.html
- */
-
-#ifdef READ_VORBIS
-
-#include "ReadVorbis.h"
-//#include <m_pd.h>
-
-#include <iostream>
-using namespace std;
-
-
-ReadVorbis::ReadVorbis( Input *input) {
- in = input;
- seekable = false;
- callbacks.read_func = read_func;
- callbacks.seek_func = seek_func;
- callbacks.close_func = close_func;
- callbacks.tell_func = tell_func;
-}
-
-ReadVorbis::~ReadVorbis(){
-
- if ( ov_clear(&vf) != 0)
- cout << "ReadVorbis::couldn't deconstruct the vorbis file reader" << endl;
- //if (fp != NULL) { //don't know why, but this will cause a segfault
- // fclose(fp);
- //}
-}
-
-
-bool ReadVorbis::Initialize( ) {
-
- vorbis_info *vi;
-
- if ( in == NULL ) {
- return 0;
- }
- if ( in->get_format() == FORMAT_HTTP_VORBIS ) {
- seekable = false;
- } else
- seekable = true;
-
- int err = ov_open_callbacks( (void *)in, &vf, NULL, 0, callbacks);
- if( err < 0 ) {
- cout << "ReadVorbis:: does not appear to be an Ogg bitstream.\n" << endl;
- switch (err) {
- case OV_EREAD:
- cout << "ReadVorbis:: read from media retuned an error" << endl;
- break;
- case OV_ENOTVORBIS:
- cout << "ReadVorbis:: bistream is not vorbis data" << endl;
- break;
- case OV_EVERSION:
- cout << "ReadVorbis:: vorbis version mismatch" << endl;
- break;
- case OV_EBADHEADER:
- cout << "ReadVorbis:: invalid vorbis btistream header" << endl;
- break;
- case OV_EFAULT:
- cout << "ReadVorbis:: internal logic fault" << endl;
- break;
- default:
- cout << "ReadVorbis:: general error on ov_open_callbacks" << endl;
- break;
- }
- return false;
- }
-
-
- vi=ov_info(&vf,-1);
- samplerate = (double)vi->rate;
- num_channels = vi->channels;
- if ( in->get_format() == FORMAT_HTTP_VORBIS )
- lengthinseconds = 0.0;
- else
- lengthinseconds = (double)ov_time_total(&vf, -1);
- //cout << "ReadVorbis: opening url: [%s] %ld (Hz), %d chan(s)",
- // fullurl, vi->rate, vi->channels);
-
- return true;
-}
-
-int ReadVorbis::Decode(float *buffer, int size) {
- long ret = 0;
- int current_section;
- float **buftmp;
- int x=0;
- if (CHUNKSIZE > (unsigned int)size) return 0;
-
-
- ret = ov_read_float(&vf, &buftmp , CHUNKSIZE, &current_section);
- if (ret == 0 ) {
- // This means it is a definite end of file, lets return zero here.
- return 0;
- } else if (ret <= 0) {
- switch (ret) {
- case OV_HOLE:
- cout << "ReadVorbis:: there was an interruption in the data. " << endl;
- cout << "one of: garbage between pages, loss of sync followed" <<
- " by recapture, or a corrupt page" << endl;
- break;
- case OV_EBADLINK:
- cout << "ReadVorbis:: an invalid stream section was supplied " <<
- "to libvorbisfile, or the requested link is corrupt" << endl;
- break;
- default:
- cout << "ReadVorbis:: unknown error on ov_read_float" << endl;
- break;
- }
-
- for(int j = 0; j < 1024; j++) {
- buffer[x++] = 0.0;
- }
- return 512;
-
- } else {
-
- // we should check here to see if ret is larger than size!
- for(int j = 0; j < ret; j++) {
- buffer[x++] = buftmp[0][j];
- if (num_channels == 2)
- buffer[x++] = buftmp[1][j];
- }
- }
- //cout << "x %d", x);
- return x; //ret;
-
-}
-
-size_t ReadVorbis::read_func(void *ptr, size_t size, size_t nmemb, void *datasource) {
-
- Input * tmpin = ( Input *)datasource;
- unsigned int get = size*nmemb;
- size_t ret;
- // cout << "ReadVorbis:: calling read function" << endl;
-
- ret = tmpin->Read( ptr, get);
-
- //cout << "read from fifo, get %d, ret %d, size %d, nmemb %d",
- //get, ret,size,nmemb );
-
- return ret;//size*nmemb;
-}
-
-int ReadVorbis::seek_func(void *datasource, ogg_int64_t offset, int whence) {
- // InputStream will always return -1
- Input * tmpin = ( Input *)datasource;
- switch ( whence ) {
- case SEEK_SET:
- return tmpin->SeekSet( offset );
- break;
- case SEEK_CUR:
- return tmpin->SeekCur( offset );
- break;
- case SEEK_END:
- return tmpin->SeekEnd( offset );
- break;
- default:
- return -1;
- break;
- }
-
-}
-
-int ReadVorbis::close_func(void *datasource) {
-
- cout << "ReadVorbis:: calling close function" << endl;
- //ov_clear(&vf);
- //return tmpin->Close();
- return 0;
-}
-
-long ReadVorbis::tell_func(void *datasource) {
- // InputStream will always return -1
- Input * tmpin = ( Input *)datasource;
- return tmpin->SeekCur( 0 );
-
-}
-
-bool ReadVorbis::Rewind() {
- ov_pcm_seek(&vf, 0);
- return true; // need to return true here for fill_buffer of main.cpp
-}
-
-bool ReadVorbis::PCM_seek(long bytes) {
- int ret = ov_pcm_seek(&vf, bytes);
- if ( ret == 0)
- return true;
- else {
- switch (ret) {
- case OV_ENOSEEK:
- cout << "ReadVorbis:: stream not seekable" << endl;
- break;
- case OV_EINVAL:
- ret = ov_pcm_seek(&vf, 0);
- if (ret == 0)
- return true;
- else
- cout << "ReadVorbis:: invalid argument" << endl;
-
- break;
- case OV_EREAD:
- cout << "ReadVorbis:: read returned an error" << endl;
- break;
- case OV_EOF:
- cout << "ReadVorbis:: End of File" << endl;
- break;
- case OV_EBADLINK:
- cout << "ReadVorbis:: invalid stream section" << endl;
- break;
- default:
- cout << "ReadVorbis:: some other seek error PCM_seek" << endl;
- break;
- }
- return false;
- }
-}
-
-bool ReadVorbis::TIME_seek(double seconds) {
- int ret = ov_time_seek(&vf, seconds);
- if ( ret == 0)
- return true;
- else {
- switch (ret) {
- case OV_ENOSEEK:
- cout << "ReadVorbis:: stream not seekable" << endl;
- break;
- case OV_EINVAL:
- cout << "ReadVorbis:: invalid argument" << endl;
- break;
- case OV_EREAD:
- cout << "ReadVorbis:: read returned an error" << endl;
- break;
- case OV_EOF:
- cout << "ReadVorbis:: End of File" << endl;
- break;
- case OV_EBADLINK:
- cout << "ReadVorbis:: invalid stream section" << endl;
- break;
- default:
- cout << "ReadVorbis:: some other seek error Time_seek" << endl;
- break;
- }
- return false;
- }
-}
-
-
-
-
-#endif