C++ (Cpp) GstAudioSinkClass Exemples

Exemple #1

Fichier : gstaudiosink.c Projet : Sandec/openjfx-8u-dev-rt

/* function is called with LOCK */
static gboolean
gst_audioringbuffer_release (GstRingBuffer * buf)
{
  GstAudioSink *sink;
  GstAudioSinkClass *csink;
  gboolean result = FALSE;

  sink = GST_AUDIO_SINK (GST_OBJECT_PARENT (buf));
  csink = GST_AUDIO_SINK_GET_CLASS (sink);

  /* free the buffer */
  gst_buffer_unref (buf->data);
  buf->data = NULL;

  if (csink->unprepare)
    result = csink->unprepare (sink);

  if (!result)
    goto could_not_unprepare;

  GST_DEBUG_OBJECT (sink, "unprepared");

  return result;

could_not_unprepare:
  {
    GST_DEBUG_OBJECT (sink, "could not unprepare device");
    return FALSE;
  }
}

Exemple #2

Fichier : gstaudiosink.c Projet : Sandec/openjfx-8u-dev-rt

static gboolean
gst_audioringbuffer_stop (GstRingBuffer * buf)
{
  GstAudioSink *sink;
  GstAudioSinkClass *csink;

  sink = GST_AUDIO_SINK (GST_OBJECT_PARENT (buf));
  csink = GST_AUDIO_SINK_GET_CLASS (sink);

  /* unblock any pending writes to the audio device */
  if (csink->reset) {
    GST_DEBUG_OBJECT (sink, "reset...");
    csink->reset (sink);
    GST_DEBUG_OBJECT (sink, "reset done");
  }
#if 0
  if (abuf->running) {
    GST_DEBUG_OBJECT (sink, "stop, waiting...");
    GST_AUDIORING_BUFFER_WAIT (buf);
    GST_DEBUG_OBJECT (sink, "stopped");
  }
#endif

  return TRUE;
}

Exemple #3

Fichier : gstaudiosink.c Projet : Sandec/openjfx-8u-dev-rt

static gboolean
gst_audioringbuffer_acquire (GstRingBuffer * buf, GstRingBufferSpec * spec)
{
  GstAudioSink *sink;
  GstAudioSinkClass *csink;
  gboolean result = FALSE;

  sink = GST_AUDIO_SINK (GST_OBJECT_PARENT (buf));
  csink = GST_AUDIO_SINK_GET_CLASS (sink);

  if (csink->prepare)
    result = csink->prepare (sink, spec);
  if (!result)
    goto could_not_prepare;

  /* set latency to one more segment as we need some headroom */
  spec->seglatency = spec->segtotal + 1;

  buf->data = gst_buffer_new_and_alloc (spec->segtotal * spec->segsize);
  memset (GST_BUFFER_DATA (buf->data), 0, GST_BUFFER_SIZE (buf->data));

  return TRUE;

  /* ERRORS */
could_not_prepare:
  {
    GST_DEBUG_OBJECT (sink, "could not prepare device");
    return FALSE;
  }
}

Exemple #4

Fichier : gstaudiosink.c Projet : Sandec/openjfx-8u-dev-rt

static guint
gst_audioringbuffer_delay (GstRingBuffer * buf)
{
  GstAudioSink *sink;
  GstAudioSinkClass *csink;
  guint res = 0;

  sink = GST_AUDIO_SINK (GST_OBJECT_PARENT (buf));
  csink = GST_AUDIO_SINK_GET_CLASS (sink);

  if (csink->delay)
    res = csink->delay (sink);

  return res;
}

Exemple #5

Fichier : gstaudiosink.c Projet : Sandec/openjfx-8u-dev-rt

static gboolean
gst_audioringbuffer_pause (GstRingBuffer * buf)
{
  GstAudioSink *sink;
  GstAudioSinkClass *csink;

  sink = GST_AUDIO_SINK (GST_OBJECT_PARENT (buf));
  csink = GST_AUDIO_SINK_GET_CLASS (sink);

  /* unblock any pending writes to the audio device */
  if (csink->reset) {
    GST_DEBUG_OBJECT (sink, "reset...");
    csink->reset (sink);
    GST_DEBUG_OBJECT (sink, "reset done");
  }

  return TRUE;
}

Exemple #6

Fichier : gstaudiosink.c Projet : ConfusedReality/pkg_multimedia_gst-plugins-base

static gboolean
gst_audio_sink_ring_buffer_acquire (GstAudioRingBuffer * buf,
                                    GstAudioRingBufferSpec * spec)
{
    GstAudioSink *sink;
    GstAudioSinkClass *csink;
    gboolean result = FALSE;

    sink = GST_AUDIO_SINK (GST_OBJECT_PARENT (buf));
    csink = GST_AUDIO_SINK_GET_CLASS (sink);

    if (csink->prepare)
        result = csink->prepare (sink, spec);
    if (!result)
        goto could_not_prepare;

    /* set latency to one more segment as we need some headroom */
    spec->seglatency = spec->segtotal + 1;

    buf->size = spec->segtotal * spec->segsize;

    buf->memory = g_malloc (buf->size);

    if (buf->spec.type == GST_AUDIO_RING_BUFFER_FORMAT_TYPE_RAW) {
        gst_audio_format_fill_silence (buf->spec.info.finfo, buf->memory,
                                       buf->size);
    } else {
        /* FIXME, non-raw formats get 0 as the empty sample */
        memset (buf->memory, 0, buf->size);
    }


    return TRUE;

    /* ERRORS */
could_not_prepare:
    {
        GST_DEBUG_OBJECT (sink, "could not prepare device");
        return FALSE;
    }
}

Exemple #7

Fichier : gstaudiosink.c Projet : Sandec/openjfx-8u-dev-rt

static gboolean
gst_audioringbuffer_close_device (GstRingBuffer * buf)
{
  GstAudioSink *sink;
  GstAudioSinkClass *csink;
  gboolean result = TRUE;

  sink = GST_AUDIO_SINK (GST_OBJECT_PARENT (buf));
  csink = GST_AUDIO_SINK_GET_CLASS (sink);

  if (csink->close)
    result = csink->close (sink);

  if (!result)
    goto could_not_close;

  return result;

could_not_close:
  {
    GST_DEBUG_OBJECT (sink, "could not close device");
    return FALSE;
  }
}

Exemple #8

Fichier : gstaudiosink.c Projet : ConfusedReality/pkg_multimedia_gst-plugins-base

static gboolean
gst_audio_sink_ring_buffer_open_device (GstAudioRingBuffer * buf)
{
    GstAudioSink *sink;
    GstAudioSinkClass *csink;
    gboolean result = TRUE;

    sink = GST_AUDIO_SINK (GST_OBJECT_PARENT (buf));
    csink = GST_AUDIO_SINK_GET_CLASS (sink);

    if (csink->open)
        result = csink->open (sink);

    if (!result)
        goto could_not_open;

    return result;

could_not_open:
    {
        GST_DEBUG_OBJECT (sink, "could not open device");
        return FALSE;
    }
}