/*  Copyright (C) 2012 Paul Brossier <piem@aubio.org>   This file is part of aubio.   aubio 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 3 of the License, or  (at your option) any later version.   aubio 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 aubio.  If not, see <http://www.gnu.org/licenses/>. */ #include "aubio_priv.h"#include "fvec.h"#include "fmat.h"#include "io/source.h"#ifdef HAVE_LIBAV#include "io/source_avcodec.h"#endif /* HAVE_LIBAV */#ifdef HAVE_SOURCE_APPLE_AUDIO#include "io/source_apple_audio.h"#endif /* HAVE_SOURCE_APPLE_AUDIO */#ifdef HAVE_SNDFILE#include "io/source_sndfile.h"#endif /* HAVE_SNDFILE */#ifdef HAVE_WAVREAD#include "io/source_wavread.h"#endif /* HAVE_WAVREAD */ typedef void (*aubio_source_do_t)(aubio_source_t * s, fvec_t * data, uint_t * read);typedef void (*aubio_source_do_multi_t)(aubio_source_t * s, fmat_t * data, uint_t * read);typedef uint_t (*aubio_source_get_samplerate_t)(aubio_source_t * s);typedef uint_t (*aubio_source_get_channels_t)(aubio_source_t * s);typedef uint_t (*aubio_source_get_duration_t)(aubio_source_t * s);typedef uint_t (*aubio_source_seek_t)(aubio_source_t * s, uint_t seek);typedef uint_t (*aubio_source_close_t)(aubio_source_t * s);typedef void (*del_aubio_source_t)(aubio_source_t * s); struct _aubio_source_t {   void *source;  aubio_source_do_t s_do;  aubio_source_do_multi_t s_do_multi;  aubio_source_get_samplerate_t s_get_samplerate;  aubio_source_get_channels_t s_get_channels;  aubio_source_get_duration_t s_get_duration;  aubio_source_seek_t s_seek;  aubio_source_close_t s_close;  del_aubio_source_t s_del;}; aubio_source_t * new_aubio_source(const char_t * uri, uint_t samplerate, uint_t hop_size) {  aubio_source_t * s = AUBIO_NEW(aubio_source_t);#ifdef HAVE_LIBAV  s->source = (void *)new_aubio_source_avcodec(uri, samplerate, hop_size);  if (s->source) {    s->s_do = (aubio_source_do_t)(aubio_source_avcodec_do);    s->s_do_multi = (aubio_source_do_multi_t)(aubio_source_avcodec_do_multi);    s->s_get_channels = (aubio_source_get_channels_t)(aubio_source_avcodec_get_channels);    s->s_get_samplerate = (aubio_source_get_samplerate_t)(aubio_source_avcodec_get_samplerate);    s->s_get_duration = (aubio_source_get_duration_t)(aubio_source_avcodec_get_duration);    s->s_seek = (aubio_source_seek_t)(aubio_source_avcodec_seek);    s->s_close = (aubio_source_close_t)(aubio_source_avcodec_close);    s->s_del = (del_aubio_source_t)(del_aubio_source_avcodec);    return s;  }#endif /* HAVE_LIBAV */#ifdef HAVE_SOURCE_APPLE_AUDIO  s->source = (void *)new_aubio_source_apple_audio(uri, samplerate, hop_size);  if (s->source) {    s->s_do = (aubio_source_do_t)(aubio_source_apple_audio_do);    s->s_do_multi = (aubio_source_do_multi_t)(aubio_source_apple_audio_do_multi);    s->s_get_channels = (aubio_source_get_channels_t)(aubio_source_apple_audio_get_channels);    s->s_get_samplerate = (aubio_source_get_samplerate_t)(aubio_source_apple_audio_get_samplerate);    s->s_get_duration = (aubio_source_get_duration_t)(aubio_source_apple_audio_get_duration);    s->s_seek = (aubio_source_seek_t)(aubio_source_apple_audio_seek);    s->s_close = (aubio_source_close_t)(aubio_source_apple_audio_close);    s->s_del = (del_aubio_source_t)(del_aubio_source_apple_audio);    return s;  }#endif /* HAVE_SOURCE_APPLE_AUDIO */#ifdef HAVE_SNDFILE  s->source = (void *)new_aubio_source_sndfile(uri, samplerate, hop_size);  if (s->source) {    s->s_do = (aubio_source_do_t)(aubio_source_sndfile_do);    s->s_do_multi = (aubio_source_do_multi_t)(aubio_source_sndfile_do_multi);    s->s_get_channels = (aubio_source_get_channels_t)(aubio_source_sndfile_get_channels);    s->s_get_samplerate = (aubio_source_get_samplerate_t)(aubio_source_sndfile_get_samplerate);    s->s_get_duration = (aubio_source_get_duration_t)(aubio_source_sndfile_get_duration);    s->s_seek = (aubio_source_seek_t)(aubio_source_sndfile_seek);    s->s_close = (aubio_source_close_t)(aubio_source_sndfile_close);    s->s_del = (del_aubio_source_t)(del_aubio_source_sndfile);    return s;  }#endif /* HAVE_SNDFILE */#ifdef HAVE_WAVREAD  s->source = (void *)new_aubio_source_wavread(uri, samplerate, hop_size);  if (s->source) {    s->s_do = (aubio_source_do_t)(aubio_source_wavread_do);    s->s_do_multi = (aubio_source_do_multi_t)(aubio_source_wavread_do_multi);    s->s_get_channels = (aubio_source_get_channels_t)(aubio_source_wavread_get_channels);    s->s_get_samplerate = (aubio_source_get_samplerate_t)(aubio_source_wavread_get_samplerate);    s->s_get_duration = (aubio_source_get_duration_t)(aubio_source_wavread_get_duration);    s->s_seek = (aubio_source_seek_t)(aubio_source_wavread_seek);    s->s_close = (aubio_source_close_t)(aubio_source_wavread_close);    s->s_del = (del_aubio_source_t)(del_aubio_source_wavread);    return s;  }#endif /* HAVE_WAVREAD */#if !defined(HAVE_WAVREAD) && \  !defined(HAVE_LIBAV) && \  !defined(HAVE_SOURCE_APPLE_AUDIO) && \  !defined(HAVE_SNDFILE)  AUBIO_ERROR("source: failed creating with %s at %dHz with hop size %d"     " (no source built-in)\n", uri, samplerate, hop_size);#endif  del_aubio_source(s);  return NULL;} void aubio_source_do(aubio_source_t * s, fvec_t * data, uint_t * read) {  s->s_do((void *)s->source, data, read);} void aubio_source_do_multi(aubio_source_t * s, fmat_t * data, uint_t * read) {  s->s_do_multi((void *)s->source, data, read);} uint_t aubio_source_close(aubio_source_t * s) {  return s->s_close((void *)s->source);} void del_aubio_source(aubio_source_t * s) {  //AUBIO_ASSERT(s);  if (s && s->s_del && s->source)    s->s_del((void *)s->source);  AUBIO_FREE(s);} uint_t aubio_source_get_samplerate(aubio_source_t * s) {  return s->s_get_samplerate((void *)s->source);} uint_t aubio_source_get_channels(aubio_source_t * s) {  return s->s_get_channels((void *)s->source);} uint_t aubio_source_get_duration(aubio_source_t *s) {  return s->s_get_duration((void *)s->source);} uint_t aubio_source_seek (aubio_source_t * s, uint_t seek ) {  return s->s_seek((void *)s->source, seek);}