Exemplos de gst_stream_volume_convert_volume em C++ (Cpp)

Exemplo n.º 1

Arquivo: streamvolume.c Projeto: lubing521/gst-embedded-builder

/**
 * gst_stream_volume_set_volume:
 * @volume: #GstStreamVolume that should be used
 * @format: #GstStreamVolumeFormat of @val
 * @val: Linear volume factor that should be set
 */
void
gst_stream_volume_set_volume (GstStreamVolume * volume,
    GstStreamVolumeFormat format, gdouble val)
{
  g_return_if_fail (GST_IS_STREAM_VOLUME (volume));

  if (format != GST_STREAM_VOLUME_FORMAT_LINEAR)
    val =
        gst_stream_volume_convert_volume (format,
        GST_STREAM_VOLUME_FORMAT_LINEAR, val);
  g_object_set (volume, "volume", val, NULL);
}

Exemplo n.º 2

Arquivo: streamvolume.c Projeto: lubing521/gst-embedded-builder

/**
 * gst_stream_volume_get_volume:
 * @volume: #GstStreamVolume that should be used
 * @format: #GstStreamVolumeFormat which should be returned
 *
 * Returns: The current stream volume as linear factor
 */
gdouble
gst_stream_volume_get_volume (GstStreamVolume * volume,
    GstStreamVolumeFormat format)
{
  gdouble val;

  g_return_val_if_fail (GST_IS_STREAM_VOLUME (volume), 1.0);

  g_object_get (volume, "volume", &val, NULL);
  if (format != GST_STREAM_VOLUME_FORMAT_LINEAR)
    val =
        gst_stream_volume_convert_volume (GST_STREAM_VOLUME_FORMAT_LINEAR,
        format, val);
  return val;
}

Exemplo n.º 3

Arquivo: streamvolume.cpp Projeto: comicfans/libqtgstreamer

double StreamVolume::convert(StreamVolumeFormat from, StreamVolumeFormat to, double value)
{
    return gst_stream_volume_convert_volume(static_cast<GstStreamVolumeFormat>(from),
                                            static_cast<GstStreamVolumeFormat>(to), value);
}