C++ (Cpp) gst_core_audio_initialize_impl Examples

Example #1

File: gstosxcoreaudio.c Project: thiblahute/gst-plugins-good

gboolean
gst_core_audio_initialize (GstCoreAudio * core_audio,
    AudioStreamBasicDescription format, GstCaps * caps, gboolean is_passthrough)
{
  guint32 frame_size;

  GST_DEBUG_OBJECT (core_audio,
      "Initializing: passthrough:%d caps:%" GST_PTR_FORMAT, is_passthrough,
      caps);

  if (!gst_core_audio_initialize_impl (core_audio, format, caps,
          is_passthrough, &frame_size)) {
    return FALSE;
  }

  if (core_audio->is_src) {
    /* create AudioBufferList needed for recording */
    core_audio->recBufferSize = frame_size * format.mBytesPerFrame;
    core_audio->recBufferList =
        buffer_list_alloc (format.mChannelsPerFrame, core_audio->recBufferSize,
        /* Currently always TRUE (i.e. interleaved) */
        !(format.mFormatFlags & kAudioFormatFlagIsNonInterleaved));
  }

  return TRUE;
}

Example #2

File: gstosxcoreaudio.c Project: jcaden/gst-plugins-good

gboolean
gst_core_audio_initialize (GstCoreAudio * core_audio,
    AudioStreamBasicDescription format, GstCaps * caps, gboolean is_passthrough)
{
  guint32 frame_size;
  OSStatus status;

  GST_DEBUG_OBJECT (core_audio,
      "Initializing: passthrough:%d caps:%" GST_PTR_FORMAT, is_passthrough,
      caps);

  if (!gst_core_audio_initialize_impl (core_audio, format, caps,
          is_passthrough, &frame_size)) {
    goto error;
  }

  if (core_audio->is_src) {
    /* create AudioBufferList needed for recording */
    core_audio->recBufferList =
        buffer_list_alloc (format.mChannelsPerFrame,
        frame_size * format.mBytesPerFrame);
  }

  /* Initialize the AudioUnit */
  status = AudioUnitInitialize (core_audio->audiounit);
  if (status) {
    GST_ERROR_OBJECT (core_audio, "Failed to initialise AudioUnit: %d",
        (int) status);
    goto error;
  }
  return TRUE;

error:
  if (core_audio->is_src && core_audio->recBufferList) {
    buffer_list_free (core_audio->recBufferList);
    core_audio->recBufferList = NULL;
  }
  return FALSE;
}