shithub: aubio

Download patch

ref: 222b176186fbbbed69a93f8c3f5065461078a242
parent: af97786e3ea0eb22be425a38d4e9b7f61320d567
author: Paul Brossier <[email protected]>
date: Sun Feb 23 07:56:54 EST 2014

src/io/sink_apple_audio.h: add do_multi, preset_samplerate, preset_channels, get_samplerate, and get_channels

--- a/src/io/sink_apple_audio.c
+++ b/src/io/sink_apple_audio.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 2012 Paul Brossier <[email protected]>
+  Copyright (C) 2012-2014 Paul Brossier <[email protected]>
 
   This file is part of aubio.
 
@@ -24,6 +24,7 @@
 
 #include "aubio_priv.h"
 #include "fvec.h"
+#include "fmat.h"
 #include "io/sink_apple_audio.h"
 
 // CFURLRef, CFURLCreateWithFileSystemPath, ...
@@ -38,6 +39,8 @@
 extern CFURLRef getURLFromPath(const char * path);
 char_t *getPrintableOSStatusError(char_t *str, OSStatus error);
 
+uint_t aubio_sink_apple_audio_open(aubio_sink_apple_audio_t *s);
+
 #define MAX_SIZE 4096 // the maximum number of frames that can be written at a time
 
 struct _aubio_sink_apple_audio_t {
@@ -54,12 +57,68 @@
 
 aubio_sink_apple_audio_t * new_aubio_sink_apple_audio(char_t * uri, uint_t samplerate) {
   aubio_sink_apple_audio_t * s = AUBIO_NEW(aubio_sink_apple_audio_t);
-  s->samplerate = samplerate;
-  s->channels = 1;
   s->path = uri;
   s->max_frames = MAX_SIZE;
   s->async = true;
 
+  s->samplerate = 0;
+  s->channels = 0;
+
+  // negative samplerate given, abort
+  if ((sint_t)samplerate < 0) goto beach;
+  // zero samplerate given. do not open yet
+  if ((sint_t)samplerate == 0) return s;
+
+  s->samplerate = samplerate;
+  s->channels = 1;
+
+  if (aubio_sink_apple_audio_open(s) != AUBIO_OK) {
+    // open failed, abort
+    goto beach;
+  }
+
+  return s;
+beach:
+  AUBIO_FREE(s);
+  return NULL;
+}
+
+uint_t aubio_sink_apple_audio_preset_samplerate(aubio_sink_apple_audio_t *s, uint_t samplerate)
+{
+  if ((sint_t)(samplerate) <= 0) return AUBIO_FAIL;
+  s->samplerate = samplerate;
+  // automatically open when both samplerate and channels have been set
+  if (s->samplerate != 0 && s->channels != 0) {
+    return aubio_sink_apple_audio_open(s);
+  }
+  return AUBIO_OK;
+}
+
+uint_t aubio_sink_apple_audio_preset_channels(aubio_sink_apple_audio_t *s, uint_t channels)
+{
+  if ((sint_t)(channels) <= 0) return AUBIO_FAIL;
+  s->channels = channels;
+  // automatically open when both samplerate and channels have been set
+  if (s->samplerate != 0 && s->channels != 0) {
+    return aubio_sink_apple_audio_open(s);
+  }
+  return AUBIO_OK;
+}
+
+uint_t aubio_sink_apple_audio_get_samplerate(aubio_sink_apple_audio_t *s)
+{
+  return s->samplerate;
+}
+
+uint_t aubio_sink_apple_audio_get_channels(aubio_sink_apple_audio_t *s)
+{
+  return s->channels;
+}
+
+uint_t aubio_sink_apple_audio_open(aubio_sink_apple_audio_t *s) {
+
+  if (s->samplerate == 0 || s->channels == 0) return AUBIO_FAIL;
+
   AudioStreamBasicDescription clientFormat;
   memset(&clientFormat, 0, sizeof(AudioStreamBasicDescription));
   clientFormat.mFormatID         = kAudioFormatLinearPCM;
@@ -73,7 +132,7 @@
   clientFormat.mReserved         = 0;
 
   AudioFileTypeID fileType = kAudioFileWAVEType;
-  CFURLRef fileURL = getURLFromPath(uri);
+  CFURLRef fileURL = getURLFromPath(s->path);
   bool overwrite = true;
   OSStatus err = noErr;
   err = ExtAudioFileCreateWithURL(fileURL, fileType, &clientFormat, NULL,
@@ -90,11 +149,10 @@
         "out of memory? \n", s->path);
     goto beach;
   }
-  return s;
+  return AUBIO_OK;
 
 beach:
-  AUBIO_FREE(s);
-  return NULL;
+  return AUBIO_FAIL;
 }
 
 void aubio_sink_apple_audio_do(aubio_sink_apple_audio_t * s, fvec_t * write_data, uint_t write) {
@@ -112,6 +170,50 @@
           for (v = 0; v < write; v++) {
               data[v * s->channels + c] =
                   FLOAT_TO_SHORT(buf[ v * s->channels + c]);
+          }
+      }
+  }
+  if (s->async) {
+    err = ExtAudioFileWriteAsync(s->audioFile, write, &s->bufferList);
+
+    if (err) {
+      char_t errorstr[20];
+      AUBIO_ERROR("sink_apple_audio: error while writing %s "
+          "in ExtAudioFileWriteAsync (%s), switching to sync\n", s->path,
+          getPrintableOSStatusError(errorstr, err));
+      s->async = false;
+    } else {
+      return;
+    }
+
+  } else {
+    err = ExtAudioFileWrite(s->audioFile, write, &s->bufferList);
+
+    if (err) {
+      char_t errorstr[20];
+      AUBIO_ERROR("sink_apple_audio: error while writing %s "
+          "in ExtAudioFileWrite (%s)\n", s->path,
+          getPrintableOSStatusError(errorstr, err));
+    }
+  }
+  return;
+}
+
+void aubio_sink_apple_audio_do_multi(aubio_sink_apple_audio_t * s, fmat_t * write_data, uint_t write) {
+  OSStatus err = noErr;
+  UInt32 c, v;
+  short *data = (short*)s->bufferList.mBuffers[0].mData;
+  if (write > s->max_frames) {
+    AUBIO_WRN("sink_apple_audio: trying to write %d frames, max %d\n", write, s->max_frames);
+    write = s->max_frames;
+  }
+  smpl_t **buf = write_data->data;
+
+  if (buf) {
+      for (c = 0; c < s->channels; c++) {
+          for (v = 0; v < write; v++) {
+              data[v * s->channels + c] =
+                  FLOAT_TO_SHORT(buf[c][v]);
           }
       }
   }
--- a/src/io/sink_apple_audio.h
+++ b/src/io/sink_apple_audio.h
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 2012-2013 Paul Brossier <[email protected]>
+  Copyright (C) 2012-2014 Paul Brossier <[email protected]>
 
   This file is part of aubio.
 
@@ -39,6 +39,7 @@
 extern "C" {
 #endif
 
+/** sink_apple_audio object */
 typedef struct _aubio_sink_apple_audio_t aubio_sink_apple_audio_t;
 
 /**
@@ -52,11 +53,69 @@
 
   Creates a new sink object.
 
+  If samplerate is set to 0, the creation of the file will be delayed until
+  both ::aubio_sink_preset_samplerate and ::aubio_sink_preset_channels have
+  been called.
+
 */
 aubio_sink_apple_audio_t * new_aubio_sink_apple_audio(char_t * uri, uint_t samplerate);
 
 /**
 
+  preset sink samplerate
+
+  \param s sink, created with ::new_aubio_sink_apple_audio
+  \param samplerate samplerate to preset the sink to, in Hz
+
+  \return 0 on success, 1 on error
+
+  Preset the samplerate of the sink. The file should have been created using a
+  samplerate of 0.
+
+  The file will be opened only when both samplerate and channels have been set.
+
+*/
+uint_t aubio_sink_apple_audio_preset_samplerate(aubio_sink_apple_audio_t *s, uint_t samplerate);
+
+/**
+
+  preset sink channels
+
+  \param s sink, created with ::new_aubio_sink_apple_audio
+  \param channels number of channels to preset the sink to
+
+  \return 0 on success, 1 on error
+
+  Preset the samplerate of the sink. The file should have been created using a
+  samplerate of 0.
+
+  The file will be opened only when both samplerate and channels have been set.
+
+*/
+uint_t aubio_sink_apple_audio_preset_channels(aubio_sink_apple_audio_t *s, uint_t channels);
+
+/**
+
+  get samplerate of sink object
+
+  \param s sink object, created with ::new_aubio_sink_apple_audio
+  \return samplerate, in Hz
+
+*/
+uint_t aubio_sink_apple_audio_get_samplerate(aubio_sink_apple_audio_t *s);
+
+/**
+
+  get channels of sink object
+
+  \param s sink object, created with ::new_aubio_sink_apple_audio
+  \return number of channels
+
+*/
+uint_t aubio_sink_apple_audio_get_channels(aubio_sink_apple_audio_t *s);
+
+/**
+
   write monophonic vector of length hop_size to sink
 
   \param s sink, created with ::new_aubio_sink_apple_audio
@@ -65,6 +124,17 @@
 
 */
 void aubio_sink_apple_audio_do(aubio_sink_apple_audio_t * s, fvec_t * write_data, uint_t write);
+
+/**
+
+  write polyphonic vector of length hop_size to sink
+
+  \param s sink, created with ::new_aubio_sink_apple_audio
+  \param write_data ::fmat_t samples to write to sink
+  \param write number of frames to write
+
+*/
+void aubio_sink_apple_audio_do_multi(aubio_sink_apple_audio_t * s, fmat_t * write_data, uint_t write);
 
 /**
 
--- /dev/null
+++ b/tests/src/io/test-sink_apple_audio-multi.c
@@ -1,0 +1,78 @@
+#define AUBIO_UNSTABLE 1
+#include <aubio.h>
+#include "utils_tests.h"
+
+// this file uses the unstable aubio api, please use aubio_sink instead
+// see src/io/sink.h and tests/src/sink/test-sink.c
+
+int main (int argc, char **argv)
+{
+  sint_t err = 0;
+
+  if (argc < 3) {
+    err = 2;
+    PRINT_ERR("not enough arguments\n");
+    PRINT_MSG("usage: %s <input_path> <output_path> [samplerate] [channels] [hop_size]\n", argv[0]);
+    return err;
+  }
+
+#ifdef __APPLE__
+  uint_t samplerate = 0;
+  uint_t channels = 0;
+  uint_t hop_size = 512;
+  uint_t n_frames = 0, read = 0;
+
+  char_t *source_path = argv[1];
+  char_t *sink_path = argv[2];
+
+  if ( argc >= 4 ) samplerate = atoi(argv[3]);
+  if ( argc >= 5 ) channels = atoi(argv[4]);
+  if ( argc >= 6 ) hop_size = atoi(argv[5]);
+  if ( argc >= 7 ) {
+    err = 2;
+    PRINT_ERR("too many arguments\n");
+    return err;
+  }
+
+  aubio_source_t *i = new_aubio_source(source_path, samplerate, hop_size);
+  if (!i) { err = 1; goto beach_source; }
+
+  if (samplerate == 0 ) samplerate = aubio_source_get_samplerate(i);
+  if (channels == 0 ) channels = aubio_source_get_channels(i);
+
+  fmat_t *mat = new_fmat(channels, hop_size);
+  if (!mat) { err = 1; goto beach_fmat; }
+
+  aubio_sink_apple_audio_t *o = new_aubio_sink_apple_audio(sink_path, 0);
+  if (!o) { err = 1; goto beach_sink; }
+  err = aubio_sink_apple_audio_preset_samplerate(o, samplerate);
+  if (err) { goto beach; }
+  err = aubio_sink_apple_audio_preset_channels(o, channels);
+  if (err) { goto beach; }
+
+  do {
+    aubio_source_do_multi(i, mat, &read);
+    aubio_sink_apple_audio_do_multi(o, mat, read);
+    n_frames += read;
+  } while ( read == hop_size );
+
+  PRINT_MSG("read %d frames at %dHz in %d channels (%d blocks) from %s written to %s\n",
+      n_frames, samplerate, channels, n_frames / hop_size,
+      source_path, sink_path);
+  PRINT_MSG("wrote %s with %dHz in %d channels\n", sink_path,
+      aubio_sink_apple_audio_get_samplerate(o),
+      aubio_sink_apple_audio_get_channels(o) );
+
+beach:
+  del_aubio_sink_apple_audio(o);
+beach_sink:
+  del_fmat(mat);
+beach_fmat:
+  del_aubio_source(i);
+beach_source:
+#else
+  err = 3;
+  PRINT_ERR("aubio was not compiled with aubio_sink_apple_audio\n");
+#endif /* __APPLE__ */
+  return err;
+}