src/io/source.*: add _get_duration

diff --git a/src/io/source.c b/src/io/source.c
index cc027ae..246eb90 100644 (file)
--- a/src/io/source.c
+++ b/src/io/source.c
@@ -40,6 +40,7 @@ typedef void (*aubio_source_do_t)(aubio_source_t * s, fvec_t * data, uint_t * re
 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);
@@ -50,6 +51,7 @@ struct _aubio_source_t {
   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;
@@ -64,6 +66,7 @@ aubio_source_t * new_aubio_source(const char_t * uri, uint_t samplerate, uint_t
     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);
@@ -77,6 +80,7 @@ aubio_source_t * new_aubio_source(const char_t * uri, uint_t samplerate, uint_t
     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);
@@ -90,6 +94,7 @@ aubio_source_t * new_aubio_source(const char_t * uri, uint_t samplerate, uint_t
     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);
@@ -103,6 +108,7 @@ aubio_source_t * new_aubio_source(const char_t * uri, uint_t samplerate, uint_t
     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);
@@ -141,6 +147,10 @@ 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);
 }

diff --git a/src/io/source.h b/src/io/source.h
index 8d49b01..2df2584 100644 (file)
--- a/src/io/source.h
+++ b/src/io/source.h
@@ -149,6 +149,16 @@ uint_t aubio_source_seek (aubio_source_t * s, uint_t pos);
 
 /**
 
+  get the duration of source object, in frames
+
+  \param s source object, created with ::new_aubio_source
+  \return number of frames in file
+
+*/
+uint_t aubio_source_get_duration (aubio_source_t * s);
+
+/**
+
   close source object
 
   \param s source object, created with ::new_aubio_source