subprojects/gstreamer-sharp/sources/generated/Gst.Audio/Global.cs

   1 // This file was generated by the Gtk# code generator.
   2 // Any changes made will be lost if regenerated.
   3
   4 namespace Gst.Audio {
   5
   6         using System;
   7         using System.Collections;
   8         using System.Collections.Generic;
   9         using System.Runtime.InteropServices;
  10
  11 #region Autogenerated code
  12         public partial class Global {
  13
  14                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
  15                 static extern IntPtr gst_audio_buffer_clip(IntPtr buffer, IntPtr segment, int rate, int bpf);
  16
  17                 public static Gst.Buffer AudioBufferClip(Gst.Buffer buffer, Gst.Segment segment, int rate, int bpf) {
  18                         buffer.Owned = false;
  19                         IntPtr native_segment = GLib.Marshaller.StructureToPtrAlloc (segment);
  20                         IntPtr raw_ret = gst_audio_buffer_clip(buffer == null ? IntPtr.Zero : buffer.Handle, native_segment, rate, bpf);
  21                         Gst.Buffer ret = raw_ret == IntPtr.Zero ? null : (Gst.Buffer) GLib.Opaque.GetOpaque (raw_ret, typeof (Gst.Buffer), true);
  22                         Marshal.FreeHGlobal (native_segment);
  23                         return ret;
  24                 }
  25
  26                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
  27                 static extern bool gst_audio_buffer_reorder_channels(IntPtr buffer, int format, int channels, int[] from, int[] to);
  28
  29                 public static bool AudioBufferReorderChannels(Gst.Buffer buffer, Gst.Audio.AudioFormat format, int channels, Gst.Audio.AudioChannelPosition[] from, Gst.Audio.AudioChannelPosition[] to) {
  30                         int cnt_from = from == null ? 0 : from.Length;
  31                         int[] native_from = new int [cnt_from];
  32                         for (int i = 0; i < cnt_from; i++)
  33                                 native_from [i] = (int) from[i];
  34                         int cnt_to = to == null ? 0 : to.Length;
  35                         int[] native_to = new int [cnt_to];
  36                         for (int i = 0; i < cnt_to; i++)
  37                                 native_to [i] = (int) to[i];
  38                         bool raw_ret = gst_audio_buffer_reorder_channels(buffer == null ? IntPtr.Zero : buffer.Handle, (int) format, channels, native_from, native_to);
  39                         bool ret = raw_ret;
  40                         return ret;
  41                 }
  42
  43                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
  44                 static extern IntPtr gst_audio_buffer_truncate(IntPtr buffer, int bpf, UIntPtr trim, UIntPtr samples);
  45
  46                 public static Gst.Buffer AudioBufferTruncate(Gst.Buffer buffer, int bpf, ulong trim, ulong samples) {
  47                         buffer.Owned = false;
  48                         IntPtr raw_ret = gst_audio_buffer_truncate(buffer == null ? IntPtr.Zero : buffer.Handle, bpf, new UIntPtr (trim), new UIntPtr (samples));
  49                         Gst.Buffer ret = raw_ret == IntPtr.Zero ? null : (Gst.Buffer) GLib.Opaque.GetOpaque (raw_ret, typeof (Gst.Buffer), true);
  50                         return ret;
  51                 }
  52
  53                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
  54                 static extern ulong gst_audio_channel_get_fallback_mask(int channels);
  55
  56                 public static ulong AudioChannelGetFallbackMask(int channels) {
  57                         ulong raw_ret = gst_audio_channel_get_fallback_mask(channels);
  58                         ulong ret = raw_ret;
  59                         return ret;
  60                 }
  61
  62                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
  63                 static extern bool gst_audio_channel_positions_from_mask(int channels, ulong channel_mask, int[] position);
  64
  65                 public static bool AudioChannelPositionsFromMask(int channels, ulong channel_mask, Gst.Audio.AudioChannelPosition[] position) {
  66                         int cnt_position = position == null ? 0 : position.Length;
  67                         int[] native_position = new int [cnt_position];
  68                         for (int i = 0; i < cnt_position; i++)
  69                                 native_position [i] = (int) position[i];
  70                         bool raw_ret = gst_audio_channel_positions_from_mask(channels, channel_mask, native_position);
  71                         bool ret = raw_ret;
  72                         return ret;
  73                 }
  74
  75                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
  76                 static extern bool gst_audio_channel_positions_to_mask(int[] position, int channels, bool force_order, out ulong channel_mask);
  77
  78                 public static bool AudioChannelPositionsToMask(Gst.Audio.AudioChannelPosition[] position, int channels, bool force_order, out ulong channel_mask) {
  79                         int cnt_position = position == null ? 0 : position.Length;
  80                         int[] native_position = new int [cnt_position];
  81                         for (int i = 0; i < cnt_position; i++)
  82                                 native_position [i] = (int) position[i];
  83                         bool raw_ret = gst_audio_channel_positions_to_mask(native_position, channels, force_order, out channel_mask);
  84                         bool ret = raw_ret;
  85                         return ret;
  86                 }
  87
  88                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
  89                 static extern IntPtr gst_audio_channel_positions_to_string(int[] position, int channels);
  90
  91                 public static string AudioChannelPositionsToString(Gst.Audio.AudioChannelPosition[] position, int channels) {
  92                         int cnt_position = position == null ? 0 : position.Length;
  93                         int[] native_position = new int [cnt_position];
  94                         for (int i = 0; i < cnt_position; i++)
  95                                 native_position [i] = (int) position[i];
  96                         IntPtr raw_ret = gst_audio_channel_positions_to_string(native_position, channels);
  97                         string ret = GLib.Marshaller.PtrToStringGFree(raw_ret);
  98                         return ret;
  99                 }
 100
 101                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
 102                 static extern bool gst_audio_channel_positions_to_valid_order(int[] position, int channels);
 103
 104                 public static bool AudioChannelPositionsToValidOrder(Gst.Audio.AudioChannelPosition[] position, int channels) {
 105                         int cnt_position = position == null ? 0 : position.Length;
 106                         int[] native_position = new int [cnt_position];
 107                         for (int i = 0; i < cnt_position; i++)
 108                                 native_position [i] = (int) position[i];
 109                         bool raw_ret = gst_audio_channel_positions_to_valid_order(native_position, channels);
 110                         bool ret = raw_ret;
 111                         return ret;
 112                 }
 113
 114                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
 115                 static extern bool gst_audio_check_valid_channel_positions(int[] position, int channels, bool force_order);
 116
 117                 public static bool AudioCheckValidChannelPositions(Gst.Audio.AudioChannelPosition[] position, int channels, bool force_order) {
 118                         int cnt_position = position == null ? 0 : position.Length;
 119                         int[] native_position = new int [cnt_position];
 120                         for (int i = 0; i < cnt_position; i++)
 121                                 native_position [i] = (int) position[i];
 122                         bool raw_ret = gst_audio_check_valid_channel_positions(native_position, channels, force_order);
 123                         bool ret = raw_ret;
 124                         return ret;
 125                 }
 126
 127                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
 128                 static extern IntPtr gst_audio_clipping_meta_api_get_type();
 129
 130                 public static GLib.GType AudioClippingMetaApiGetType() {
 131                         IntPtr raw_ret = gst_audio_clipping_meta_api_get_type();
 132                         GLib.GType ret = new GLib.GType(raw_ret);
 133                         return ret;
 134                 }
 135
 136                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
 137                 static extern IntPtr gst_audio_clipping_meta_get_info();
 138
 139                 public static Gst.MetaInfo AudioClippingMetaGetInfo() {
 140                         IntPtr raw_ret = gst_audio_clipping_meta_get_info();
 141                         Gst.MetaInfo ret = Gst.MetaInfo.New (raw_ret);
 142                         return ret;
 143                 }
 144
 145                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
 146                 static extern IntPtr gst_audio_downmix_meta_api_get_type();
 147
 148                 public static GLib.GType AudioDownmixMetaApiGetType() {
 149                         IntPtr raw_ret = gst_audio_downmix_meta_api_get_type();
 150                         GLib.GType ret = new GLib.GType(raw_ret);
 151                         return ret;
 152                 }
 153
 154                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
 155                 static extern IntPtr gst_audio_downmix_meta_get_info();
 156
 157                 public static Gst.MetaInfo AudioDownmixMetaGetInfo() {
 158                         IntPtr raw_ret = gst_audio_downmix_meta_get_info();
 159                         Gst.MetaInfo ret = Gst.MetaInfo.New (raw_ret);
 160                         return ret;
 161                 }
 162
 163                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
 164                 static extern int gst_audio_format_build_integer(bool sign, int endianness, int width, int depth);
 165
 166                 public static Gst.Audio.AudioFormat AudioFormatBuildInteger(bool sign, int endianness, int width, int depth) {
 167                         int raw_ret = gst_audio_format_build_integer(sign, endianness, width, depth);
 168                         Gst.Audio.AudioFormat ret = (Gst.Audio.AudioFormat) raw_ret;
 169                         return ret;
 170                 }
 171
 172                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
 173                 static extern void gst_audio_format_fill_silence(IntPtr info, byte[] dest, UIntPtr n_length);
 174
 175                 public static void AudioFormatFillSilence(Gst.Audio.AudioFormatInfo info, byte[] dest) {
 176                         IntPtr native_info = GLib.Marshaller.StructureToPtrAlloc (info);
 177                         gst_audio_format_fill_silence(native_info, dest, new UIntPtr ((ulong) (dest == null ? 0 : dest.Length)));
 178                         Marshal.FreeHGlobal (native_info);
 179                 }
 180
 181                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
 182                 static extern int gst_audio_format_from_string(IntPtr format);
 183
 184                 public static Gst.Audio.AudioFormat AudioFormatFromString(string format) {
 185                         IntPtr native_format = GLib.Marshaller.StringToPtrGStrdup (format);
 186                         int raw_ret = gst_audio_format_from_string(native_format);
 187                         Gst.Audio.AudioFormat ret = (Gst.Audio.AudioFormat) raw_ret;
 188                         GLib.Marshaller.Free (native_format);
 189                         return ret;
 190                 }
 191
 192                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
 193                 static extern IntPtr gst_audio_format_get_info(int format);
 194
 195                 public static Gst.Audio.AudioFormatInfo AudioFormatGetInfo(Gst.Audio.AudioFormat format) {
 196                         IntPtr raw_ret = gst_audio_format_get_info((int) format);
 197                         Gst.Audio.AudioFormatInfo ret = Gst.Audio.AudioFormatInfo.New (raw_ret);
 198                         return ret;
 199                 }
 200
 201                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
 202                 static extern IntPtr gst_audio_format_info_get_type();
 203
 204                 public static GLib.GType AudioFormatInfoGetType() {
 205                         IntPtr raw_ret = gst_audio_format_info_get_type();
 206                         GLib.GType ret = new GLib.GType(raw_ret);
 207                         return ret;
 208                 }
 209
 210                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
 211                 static extern IntPtr gst_audio_format_to_string(int format);
 212
 213                 public static string AudioFormatToString(Gst.Audio.AudioFormat format) {
 214                         IntPtr raw_ret = gst_audio_format_to_string((int) format);
 215                         string ret = GLib.Marshaller.Utf8PtrToString (raw_ret);
 216                         return ret;
 217                 }
 218
 219                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
 220                 static extern bool gst_audio_get_channel_reorder_map(int channels, int[] from, int[] to, int[] reorder_map);
 221
 222                 public static bool AudioGetChannelReorderMap(int channels, Gst.Audio.AudioChannelPosition[] from, Gst.Audio.AudioChannelPosition[] to, int[] reorder_map) {
 223                         int cnt_from = from == null ? 0 : from.Length;
 224                         int[] native_from = new int [cnt_from];
 225                         for (int i = 0; i < cnt_from; i++)
 226                                 native_from [i] = (int) from[i];
 227                         int cnt_to = to == null ? 0 : to.Length;
 228                         int[] native_to = new int [cnt_to];
 229                         for (int i = 0; i < cnt_to; i++)
 230                                 native_to [i] = (int) to[i];
 231                         bool raw_ret = gst_audio_get_channel_reorder_map(channels, native_from, native_to, reorder_map);
 232                         bool ret = raw_ret;
 233                         return ret;
 234                 }
 235
 236                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
 237                 static extern uint gst_audio_iec61937_frame_size(IntPtr spec);
 238
 239                 public static uint AudioIec61937FrameSize(Gst.Audio.AudioRingBufferSpec spec) {
 240                         uint raw_ret = gst_audio_iec61937_frame_size(spec == null ? IntPtr.Zero : spec.Handle);
 241                         uint ret = raw_ret;
 242                         return ret;
 243                 }
 244
 245                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
 246                 static extern bool gst_audio_iec61937_payload(byte[] src, uint src_n, byte[] dst, uint dst_n, IntPtr spec, int endianness);
 247
 248                 public static bool AudioIec61937Payload(byte[] src, uint src_n, byte[] dst, uint dst_n, Gst.Audio.AudioRingBufferSpec spec, int endianness) {
 249                         bool raw_ret = gst_audio_iec61937_payload(src, src_n, dst, dst_n, spec == null ? IntPtr.Zero : spec.Handle, endianness);
 250                         bool ret = raw_ret;
 251                         return ret;
 252                 }
 253
 254                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
 255                 static extern IntPtr gst_audio_make_raw_caps(int[] formats, uint len, int layout);
 256
 257                 public static Gst.Caps AudioMakeRawCaps(Gst.Audio.AudioFormat[] formats, uint len, Gst.Audio.AudioLayout layout) {
 258                         int cnt_formats = formats == null ? 0 : formats.Length;
 259                         int[] native_formats = new int [cnt_formats];
 260                         for (int i = 0; i < cnt_formats; i++)
 261                                 native_formats [i] = (int) formats[i];
 262                         IntPtr raw_ret = gst_audio_make_raw_caps(native_formats, len, (int) layout);
 263                         Gst.Caps ret = raw_ret == IntPtr.Zero ? null : (Gst.Caps) GLib.Opaque.GetOpaque (raw_ret, typeof (Gst.Caps), true);
 264                         return ret;
 265                 }
 266
 267                 public static Gst.Caps AudioMakeRawCaps(uint len, Gst.Audio.AudioLayout layout) {
 268                         return AudioMakeRawCaps (null, len, layout);
 269                 }
 270
 271                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
 272                 static extern IntPtr gst_audio_meta_api_get_type();
 273
 274                 public static GLib.GType AudioMetaApiGetType() {
 275                         IntPtr raw_ret = gst_audio_meta_api_get_type();
 276                         GLib.GType ret = new GLib.GType(raw_ret);
 277                         return ret;
 278                 }
 279
 280                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
 281                 static extern IntPtr gst_audio_meta_get_info();
 282
 283                 public static Gst.MetaInfo AudioMetaGetInfo() {
 284                         IntPtr raw_ret = gst_audio_meta_get_info();
 285                         Gst.MetaInfo ret = Gst.MetaInfo.New (raw_ret);
 286                         return ret;
 287                 }
 288
 289                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
 290                 static extern bool gst_audio_reorder_channels(byte[] data, UIntPtr n_length, int format, int channels, int[] from, int[] to);
 291
 292                 public static bool AudioReorderChannels(byte[] data, Gst.Audio.AudioFormat format, int channels, Gst.Audio.AudioChannelPosition[] from, Gst.Audio.AudioChannelPosition[] to) {
 293                         int cnt_from = from == null ? 0 : from.Length;
 294                         int[] native_from = new int [cnt_from];
 295                         for (int i = 0; i < cnt_from; i++)
 296                                 native_from [i] = (int) from[i];
 297                         int cnt_to = to == null ? 0 : to.Length;
 298                         int[] native_to = new int [cnt_to];
 299                         for (int i = 0; i < cnt_to; i++)
 300                                 native_to [i] = (int) to[i];
 301                         bool raw_ret = gst_audio_reorder_channels(data, new UIntPtr ((ulong) (data == null ? 0 : data.Length)), (int) format, channels, native_from, native_to);
 302                         bool ret = raw_ret;
 303                         return ret;
 304                 }
 305
 306                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
 307                 static extern IntPtr gst_audio_resampler_new(int method, int flags, int format, int channels, int in_rate, int out_rate, IntPtr options);
 308
 309                 public static Gst.Audio.AudioResampler AudioResamplerNew(Gst.Audio.AudioResamplerMethod method, Gst.Audio.AudioResamplerFlags flags, Gst.Audio.AudioFormat format, int channels, int in_rate, int out_rate, Gst.Structure options) {
 310                         IntPtr raw_ret = gst_audio_resampler_new((int) method, (int) flags, (int) format, channels, in_rate, out_rate, options == null ? IntPtr.Zero : options.Handle);
 311                         Gst.Audio.AudioResampler ret = raw_ret == IntPtr.Zero ? null : (Gst.Audio.AudioResampler) GLib.Opaque.GetOpaque (raw_ret, typeof (Gst.Audio.AudioResampler), true);
 312                         return ret;
 313                 }
 314
 315                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
 316                 static extern void gst_audio_resampler_options_set_quality(int method, uint quality, int in_rate, int out_rate, IntPtr options);
 317
 318                 public static void AudioResamplerOptionsSetQuality(Gst.Audio.AudioResamplerMethod method, uint quality, int in_rate, int out_rate, Gst.Structure options) {
 319                         gst_audio_resampler_options_set_quality((int) method, quality, in_rate, out_rate, options == null ? IntPtr.Zero : options.Handle);
 320                 }
 321
 322                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
 323                 static extern IntPtr gst_buffer_add_audio_clipping_meta(IntPtr buffer, int format, ulong start, ulong end);
 324
 325                 public static Gst.Audio.AudioClippingMeta BufferAddAudioClippingMeta(Gst.Buffer buffer, Gst.Format format, ulong start, ulong end) {
 326                         IntPtr raw_ret = gst_buffer_add_audio_clipping_meta(buffer == null ? IntPtr.Zero : buffer.Handle, (int) format, start, end);
 327                         Gst.Audio.AudioClippingMeta ret = Gst.Audio.AudioClippingMeta.New (raw_ret);
 328                         return ret;
 329                 }
 330
 331                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
 332                 static extern IntPtr gst_buffer_add_audio_downmix_meta(IntPtr buffer, int[] from_position, int from_channels, int[] to_position, int to_channels, float matrix);
 333
 334                 public static Gst.Audio.AudioDownmixMeta BufferAddAudioDownmixMeta(Gst.Buffer buffer, Gst.Audio.AudioChannelPosition[] from_position, int from_channels, Gst.Audio.AudioChannelPosition[] to_position, int to_channels, float matrix) {
 335                         int cnt_from_position = from_position == null ? 0 : from_position.Length;
 336                         int[] native_from_position = new int [cnt_from_position];
 337                         for (int i = 0; i < cnt_from_position; i++)
 338                                 native_from_position [i] = (int) from_position[i];
 339                         int cnt_to_position = to_position == null ? 0 : to_position.Length;
 340                         int[] native_to_position = new int [cnt_to_position];
 341                         for (int i = 0; i < cnt_to_position; i++)
 342                                 native_to_position [i] = (int) to_position[i];
 343                         IntPtr raw_ret = gst_buffer_add_audio_downmix_meta(buffer == null ? IntPtr.Zero : buffer.Handle, native_from_position, from_channels, native_to_position, to_channels, matrix);
 344                         Gst.Audio.AudioDownmixMeta ret = Gst.Audio.AudioDownmixMeta.New (raw_ret);
 345                         return ret;
 346                 }
 347
 348                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
 349                 static extern IntPtr gst_buffer_add_audio_meta(IntPtr buffer, IntPtr info, UIntPtr samples, UIntPtr offsets);
 350
 351                 public static Gst.Audio.AudioMeta BufferAddAudioMeta(Gst.Buffer buffer, Gst.Audio.AudioInfo info, ulong samples, ulong offsets) {
 352                         IntPtr raw_ret = gst_buffer_add_audio_meta(buffer == null ? IntPtr.Zero : buffer.Handle, info == null ? IntPtr.Zero : info.Handle, new UIntPtr (samples), new UIntPtr (offsets));
 353                         Gst.Audio.AudioMeta ret = Gst.Audio.AudioMeta.New (raw_ret);
 354                         return ret;
 355                 }
 356
 357                 public static Gst.Audio.AudioMeta BufferAddAudioMeta(Gst.Buffer buffer, Gst.Audio.AudioInfo info, ulong samples) {
 358                         return BufferAddAudioMeta (buffer, info, samples, 0);
 359                 }
 360
 361                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
 362                 static extern IntPtr gst_buffer_get_audio_downmix_meta_for_channels(IntPtr buffer, int[] to_position, int to_channels);
 363
 364                 public static Gst.Audio.AudioDownmixMeta BufferGetAudioDownmixMetaForChannels(Gst.Buffer buffer, Gst.Audio.AudioChannelPosition[] to_position, int to_channels) {
 365                         int cnt_to_position = to_position == null ? 0 : to_position.Length;
 366                         int[] native_to_position = new int [cnt_to_position];
 367                         for (int i = 0; i < cnt_to_position; i++)
 368                                 native_to_position [i] = (int) to_position[i];
 369                         IntPtr raw_ret = gst_buffer_get_audio_downmix_meta_for_channels(buffer == null ? IntPtr.Zero : buffer.Handle, native_to_position, to_channels);
 370                         Gst.Audio.AudioDownmixMeta ret = Gst.Audio.AudioDownmixMeta.New (raw_ret);
 371                         return ret;
 372                 }
 373
 374                 [DllImport("gstaudio-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
 375                 static extern double gst_stream_volume_convert_volume(int from, int to, double val);
 376
 377                 public static double StreamVolumeConvertVolume(Gst.Audio.StreamVolumeFormat from, Gst.Audio.StreamVolumeFormat to, double val) {
 378                         double raw_ret = gst_stream_volume_convert_volume((int) from, (int) to, val);
 379                         double ret = raw_ret;
 380                         return ret;
 381                 }
 382
 383 #endregion
 384         }
 385 }