src/Tizen.Multimedia.MediaPlayer/Interop/Interop.Player.cs

   1 /*
   2  * Copyright (c) 2018 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the License);
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an AS IS BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 using System;
  18 using System.Runtime.InteropServices;
  19 using Tizen;
  20 using Tizen.Multimedia;
  21
  22 internal static partial class Interop
  23 {
  24     internal static partial class NativePlayer
  25     {
  26
  27         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  28         internal delegate void PlaybackCompletedCallback(IntPtr userData);
  29
  30         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  31         internal delegate void PlaybackInterruptedCallback(PlaybackInterruptionReason code, IntPtr userData);
  32
  33         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  34         internal delegate void PlaybackErrorCallback(int code, IntPtr userData);
  35
  36         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  37         internal delegate void VideoFrameDecodedCallback(IntPtr packetHandle, IntPtr userData);
  38
  39         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  40         internal delegate void AudioFrameDecodedCallback(IntPtr packetHandle, IntPtr userData);
  41
  42         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  43         internal delegate void SubtitleUpdatedCallback(uint duration, string text, IntPtr userData);
  44
  45         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  46         internal delegate void BufferingProgressCallback(int percent, IntPtr userData);
  47
  48         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  49         internal delegate void VideoStreamChangedCallback(int width, int height, int fps, int bitrate, IntPtr userData);
  50
  51         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  52         internal delegate void MediaStreamBufferStatusCallback(MediaStreamBufferStatus status, IntPtr userData);
  53
  54         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  55         internal delegate void MediaStreamSeekCallback(ulong offset, IntPtr userData);
  56
  57         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  58         internal delegate void VideoCaptureCallback(IntPtr data, int width, int height, uint size, IntPtr userData);
  59
  60         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  61         internal delegate void PrepareCallback(IntPtr userData);
  62
  63         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  64         internal delegate void SeekCompletedCallback(IntPtr userData);
  65
  66         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  67         internal delegate bool AdaptiveVariantCallback(int bandwidth, int width, int height, IntPtr userData);
  68
  69         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  70         internal delegate bool SupportedMediaFormatCallback(int format, IntPtr userData);
  71
  72         [DllImport(Libraries.Player, EntryPoint = "player_create")]
  73         internal static extern PlayerErrorCode Create(out PlayerHandle player);
  74
  75         [DllImport(Libraries.Player, EntryPoint = "player_destroy")]
  76         internal static extern PlayerErrorCode Destroy(IntPtr player);
  77
  78         [DllImport(Libraries.Player, EntryPoint = "player_prepare")]
  79         internal static extern PlayerErrorCode Prepare(IntPtr player);
  80
  81         [DllImport(Libraries.Player, EntryPoint = "player_prepare_async")]
  82         internal static extern PlayerErrorCode PrepareAsync(IntPtr player, PrepareCallback callback,
  83             IntPtr userData = default(IntPtr));
  84
  85         [DllImport(Libraries.Player, EntryPoint = "player_unprepare")]
  86         internal static extern PlayerErrorCode Unprepare(IntPtr player);
  87
  88         [DllImport(Libraries.Player, EntryPoint = "player_set_uri")]
  89         internal static extern PlayerErrorCode SetUri(IntPtr player, string uri);
  90
  91         [DllImport(Libraries.Player, EntryPoint = "player_start")]
  92         internal static extern PlayerErrorCode Start(IntPtr player);
  93
  94         [DllImport(Libraries.Player, EntryPoint = "player_stop")]
  95         internal static extern PlayerErrorCode Stop(IntPtr player);
  96
  97         [DllImport(Libraries.Player, EntryPoint = "player_pause")]
  98         internal static extern PlayerErrorCode Pause(IntPtr player);
  99
 100         [DllImport(Libraries.Player, EntryPoint = "player_set_memory_buffer")]
 101         internal static extern PlayerErrorCode SetMemoryBuffer(IntPtr player, byte[] data, int size);
 102
 103         [DllImport(Libraries.Player, EntryPoint = "player_get_state")]
 104         internal static extern PlayerErrorCode GetState(IntPtr player, out int state);
 105
 106         [DllImport(Libraries.Player, EntryPoint = "player_set_volume")]
 107         internal static extern PlayerErrorCode SetVolume(IntPtr player, float left, float right);
 108
 109         [DllImport(Libraries.Player, EntryPoint = "player_get_volume")]
 110         internal static extern PlayerErrorCode GetVolume(IntPtr player, out float left, out float right);
 111
 112         [DllImport(Libraries.Player, EntryPoint = "player_set_replaygain_enabled")]
 113         internal static extern PlayerErrorCode SetReplayGain(IntPtr player, bool enabled);
 114
 115         [DllImport(Libraries.Player, EntryPoint = "player_is_replaygain_enabled")]
 116         internal static extern PlayerErrorCode IsReplayGain(IntPtr player, out bool enabled);
 117
 118         [DllImport(Libraries.Player, EntryPoint = "player_set_sound_stream_info")]
 119         internal static extern PlayerErrorCode SetAudioPolicyInfo(IntPtr player, AudioStreamPolicyHandle streamInfo);
 120
 121         [DllImport(Libraries.Player, EntryPoint = "player_set_audio_latency_mode")]
 122         internal static extern PlayerErrorCode SetAudioLatencyMode(IntPtr player, AudioLatencyMode latencyMode);
 123
 124         [DllImport(Libraries.Player, EntryPoint = "player_get_audio_latency_mode")]
 125         internal static extern PlayerErrorCode GetAudioLatencyMode(IntPtr player, out AudioLatencyMode latencyMode);
 126
 127         [DllImport(Libraries.Player, EntryPoint = "player_get_play_position")]
 128         internal static extern PlayerErrorCode GetPlayPosition(IntPtr player, out int millisecond);
 129
 130         [DllImport(Libraries.Player, EntryPoint = "player_set_play_position")]
 131         internal static extern PlayerErrorCode SetPlayPosition(IntPtr player, int millisecond,
 132             bool accurate, SeekCompletedCallback cb, IntPtr userData = default(IntPtr));
 133
 134         [DllImport(Libraries.Player, EntryPoint = "player_get_play_position_nsec")]
 135         internal static extern PlayerErrorCode GetPlayPositionNanoseconds(IntPtr player, out long nanoseconds);
 136
 137         [DllImport(Libraries.Player, EntryPoint = "player_set_play_position_nsec")]
 138         internal static extern PlayerErrorCode SetPlayPositionNanoseconds(IntPtr player, long nanoseconds,
 139             bool accurate, SeekCompletedCallback cb, IntPtr userData = default(IntPtr));
 140
 141         [DllImport(Libraries.Player, EntryPoint = "player_set_mute")]
 142         internal static extern PlayerErrorCode SetMute(IntPtr player, bool muted);
 143
 144         [DllImport(Libraries.Player, EntryPoint = "player_is_muted")]
 145         internal static extern PlayerErrorCode IsMuted(IntPtr player, out bool muted);
 146
 147         [DllImport(Libraries.Player, EntryPoint = "player_set_looping")]
 148         internal static extern PlayerErrorCode SetLooping(IntPtr player, bool looping);
 149
 150         [DllImport(Libraries.Player, EntryPoint = "player_is_looping")]
 151         internal static extern PlayerErrorCode IsLooping(IntPtr player, out bool looping);
 152
 153         [DllImport(Libraries.Player, EntryPoint = "player_set_completed_cb")]
 154         internal static extern PlayerErrorCode SetCompletedCb(IntPtr player,
 155             PlaybackCompletedCallback callback, IntPtr userData = default(IntPtr));
 156
 157         [DllImport(Libraries.Player, EntryPoint = "player_unset_completed_cb")]
 158         internal static extern PlayerErrorCode UnsetCompletedCb(IntPtr player);
 159
 160         [DllImport(Libraries.Player, EntryPoint = "player_set_interrupted_cb")]
 161         internal static extern PlayerErrorCode SetInterruptedCb(IntPtr player,
 162             PlaybackInterruptedCallback callback, IntPtr userData = default(IntPtr));
 163
 164         [DllImport(Libraries.Player, EntryPoint = "player_unset_interrupted_cb")]
 165         internal static extern PlayerErrorCode UnsetInterruptedCb(IntPtr player);
 166
 167         [DllImport(Libraries.Player, EntryPoint = "player_set_error_cb")]
 168         internal static extern PlayerErrorCode SetErrorCb(IntPtr player, PlaybackErrorCallback callback,
 169             IntPtr userData = default(IntPtr));
 170
 171         [DllImport(Libraries.Player, EntryPoint = "player_unset_error_cb")]
 172         internal static extern PlayerErrorCode UnsetErrorCb(IntPtr player);
 173
 174         [DllImport(Libraries.Player, EntryPoint = "player_capture_video")]
 175         internal static extern PlayerErrorCode CaptureVideo(IntPtr player, VideoCaptureCallback callback,
 176             IntPtr userData = default(IntPtr));
 177
 178         [DllImport(Libraries.Player, EntryPoint = "player_set_media_packet_video_frame_decoded_cb")]
 179         internal static extern PlayerErrorCode SetVideoFrameDecodedCb(IntPtr player, VideoFrameDecodedCallback callback,
 180             IntPtr userData = default(IntPtr));
 181
 182         [DllImport(Libraries.Player, EntryPoint = "player_unset_media_packet_video_frame_decoded_cb")]
 183         internal static extern PlayerErrorCode UnsetVideoFrameDecodedCb(IntPtr player);
 184
 185         [DllImport(Libraries.Player, EntryPoint = "player_set_media_packet_audio_frame_decoded_cb")]
 186         internal static extern PlayerErrorCode SetAudioFrameDecodedCb(IntPtr player, IntPtr format, PlayerAudioExtractOption opt,
 187             AudioFrameDecodedCallback callback, IntPtr userData = default(IntPtr));
 188
 189         [DllImport(Libraries.Player, EntryPoint = "player_unset_media_packet_audio_frame_decoded_cb")]
 190         internal static extern PlayerErrorCode UnsetAudioFrameDecodedCb(IntPtr player);
 191
 192         [DllImport(Libraries.Player, EntryPoint = "player_set_streaming_cookie")]
 193         internal static extern PlayerErrorCode SetStreamingCookie(IntPtr player, string cookie, int size);
 194
 195         [DllImport(Libraries.Player, EntryPoint = "player_set_streaming_user_agent")]
 196         internal static extern PlayerErrorCode SetStreamingUserAgent(IntPtr player, string userAgent, int size);
 197
 198         [DllImport(Libraries.Player, EntryPoint = "player_get_streaming_download_progress")]
 199         internal static extern PlayerErrorCode GetStreamingDownloadProgress(IntPtr player, out int start, out int current);
 200
 201         [DllImport(Libraries.Player, EntryPoint = "player_set_streaming_buffering_time")]
 202         internal static extern PlayerErrorCode SetStreamingBufferingTime(IntPtr player, int bufferingTime, int reBufferingTime);
 203
 204         [DllImport(Libraries.Player, EntryPoint = "player_get_streaming_buffering_time")]
 205         internal static extern PlayerErrorCode GetStreamingBufferingTime(IntPtr player, out int bufferingTime, out int reBufferingTime);
 206
 207         [DllImport(Libraries.Player, EntryPoint = "player_set_buffering_cb")]
 208         internal static extern PlayerErrorCode SetBufferingCb(IntPtr player,
 209             BufferingProgressCallback callback, IntPtr userData = default(IntPtr));
 210
 211         [DllImport(Libraries.Player, EntryPoint = "player_unset_buffering_cb")]
 212         internal static extern PlayerErrorCode UnsetBufferingCb(IntPtr player);
 213
 214         [DllImport(Libraries.Player, EntryPoint = "player_set_playback_rate")]
 215         internal static extern PlayerErrorCode SetPlaybackRate(IntPtr player, float rate);
 216
 217         [DllImport(Libraries.Player, EntryPoint = "player_push_media_stream")]
 218         internal static extern PlayerErrorCode PushMediaStream(IntPtr player, IntPtr packet);
 219
 220         [DllImport(Libraries.Player, EntryPoint = "player_set_media_stream_info")]
 221         internal static extern PlayerErrorCode SetMediaStreamInfo(IntPtr player, StreamType type, IntPtr format);
 222
 223         [DllImport(Libraries.Player, EntryPoint = "player_set_media_stream_buffer_status_cb")]
 224         internal static extern PlayerErrorCode SetMediaStreamBufferStatusCb(IntPtr player, StreamType type,
 225             MediaStreamBufferStatusCallback callback, IntPtr userData = default(IntPtr));
 226
 227         [DllImport(Libraries.Player, EntryPoint = "player_unset_media_stream_buffer_status_cb")]
 228         internal static extern PlayerErrorCode UnsetMediaStreamBufferStatusCb(IntPtr player, int type);
 229
 230         [DllImport(Libraries.Player, EntryPoint = "player_set_media_stream_seek_cb")]
 231         internal static extern PlayerErrorCode SetMediaStreamSeekCb(IntPtr player, StreamType type,
 232             MediaStreamSeekCallback callback, IntPtr userData = default(IntPtr));
 233
 234         [DllImport(Libraries.Player, EntryPoint = "player_unset_media_stream_seek_cb")]
 235         internal static extern PlayerErrorCode UnsetMediaStreamSeekCb(IntPtr player, int type);
 236
 237         [DllImport(Libraries.Player, EntryPoint = "player_set_media_stream_buffer_max_size")]
 238         internal static extern PlayerErrorCode SetMediaStreamBufferMaxSize(IntPtr player, StreamType type, ulong maxSize);
 239
 240         [DllImport(Libraries.Player, EntryPoint = "player_get_media_stream_buffer_max_size")]
 241         internal static extern PlayerErrorCode GetMediaStreamBufferMaxSize(IntPtr player, StreamType type, out ulong maxSize);
 242
 243         [DllImport(Libraries.Player, EntryPoint = "player_set_media_stream_buffer_min_threshold")]
 244         internal static extern PlayerErrorCode SetMediaStreamBufferMinThreshold(IntPtr player, StreamType type, uint percent);
 245
 246         [DllImport(Libraries.Player, EntryPoint = "player_get_media_stream_buffer_min_threshold")]
 247         internal static extern PlayerErrorCode GetMediaStreamBufferMinThreshold(IntPtr player, int type, out uint percent);
 248
 249         [DllImport(Libraries.Player, EntryPoint = "player_get_content_info")]
 250         internal static extern PlayerErrorCode GetContentInfo(IntPtr player, StreamMetadataKey key, out IntPtr value);
 251
 252         [DllImport(Libraries.Player, EntryPoint = "player_get_codec_info")]
 253         internal static extern PlayerErrorCode GetCodecInfo(IntPtr player, out IntPtr audioCodec, out IntPtr videoCodec);
 254
 255         [DllImport(Libraries.Player, EntryPoint = "player_get_audio_stream_info")]
 256         internal static extern PlayerErrorCode GetAudioStreamInfo(IntPtr player, out int sampleRate, out int channel, out int bitRate);
 257
 258         [DllImport(Libraries.Player, EntryPoint = "player_get_video_stream_info")]
 259         internal static extern PlayerErrorCode GetVideoStreamInfo(IntPtr player, out int fps, out int bitRate);
 260
 261         [DllImport(Libraries.Player, EntryPoint = "player_get_album_art")]
 262         internal static extern PlayerErrorCode GetAlbumArt(IntPtr player, out IntPtr albumArt, out int size);
 263
 264         [DllImport(Libraries.Player, EntryPoint = "player_get_video_size")]
 265         internal static extern PlayerErrorCode GetVideoSize(IntPtr player, out int width, out int height);
 266
 267         [DllImport(Libraries.Player, EntryPoint = "player_get_duration")]
 268         internal static extern PlayerErrorCode GetDuration(IntPtr player, out int duration);
 269
 270         [DllImport(Libraries.Player, EntryPoint = "player_get_duration_nsec")]
 271         internal static extern PlayerErrorCode GetDurationNanoseconds(IntPtr player, out long duration);
 272
 273         [DllImport(Libraries.Player, EntryPoint = "player_set_subtitle_path")]
 274         internal static extern PlayerErrorCode SetSubtitlePath(IntPtr player, string path);
 275
 276         [DllImport(Libraries.Player, EntryPoint = "player_set_subtitle_updated_cb")]
 277         internal static extern PlayerErrorCode SetSubtitleUpdatedCb(IntPtr player,
 278             SubtitleUpdatedCallback callback, IntPtr userData = default(IntPtr));
 279
 280         [DllImport(Libraries.Player, EntryPoint = "player_unset_subtitle_updated_cb")]
 281         internal static extern PlayerErrorCode UnsetSubtitleUpdatedCb(IntPtr player);
 282
 283         [DllImport(Libraries.Player, EntryPoint = "player_set_subtitle_position_offset")]
 284         internal static extern PlayerErrorCode SetSubtitlePositionOffset(IntPtr player, int millisecond);
 285
 286         [DllImport(Libraries.Player, EntryPoint = "player_set_video_stream_changed_cb")]
 287         internal static extern PlayerErrorCode SetVideoStreamChangedCb(IntPtr player,
 288             VideoStreamChangedCallback callback, IntPtr userData = default(IntPtr));
 289
 290         [DllImport(Libraries.Player, EntryPoint = "player_unset_video_stream_changed_cb")]
 291         internal static extern PlayerErrorCode UnsetVideoStreamChangedCb(IntPtr player);
 292
 293         [DllImport(Libraries.Player, EntryPoint = "player_get_track_count")]
 294         internal static extern PlayerErrorCode GetTrackCount(IntPtr player, StreamType type, out int count);
 295
 296         [DllImport(Libraries.Player, EntryPoint = "player_select_track")]
 297         internal static extern PlayerErrorCode SelectTrack(IntPtr player, StreamType type, int index);
 298
 299         [DllImport(Libraries.Player, EntryPoint = "player_get_current_track")]
 300         internal static extern PlayerErrorCode GetCurrentTrack(IntPtr player, StreamType type,
 301             out int index);
 302
 303         [DllImport(Libraries.Player, EntryPoint = "player_get_track_language_code")]
 304         internal static extern PlayerErrorCode GetTrackLanguageCode(IntPtr player, StreamType type,
 305             int index, out IntPtr code);
 306
 307         [DllImport(Libraries.Player, EntryPoint = "player_set_audio_only")]
 308         internal static extern PlayerErrorCode SetAudioOnly(IntPtr player, bool audioOnly);
 309
 310         [DllImport(Libraries.Player, EntryPoint = "player_is_audio_only")]
 311         internal static extern PlayerErrorCode IsAudioOnly(IntPtr player, out bool audioOnly);
 312
 313         [DllImport(Libraries.Player, EntryPoint = "player_360_is_content_spherical")]
 314         internal static extern PlayerErrorCode IsSphericalContent(IntPtr player, out bool isspherical);
 315
 316         [DllImport(Libraries.Player, EntryPoint = "player_360_set_enabled")]
 317         internal static extern PlayerErrorCode SetSphericalMode(IntPtr player, bool enabled);
 318
 319         [DllImport(Libraries.Player, EntryPoint = "player_360_is_enabled")]
 320         internal static extern PlayerErrorCode IsSphericalMode(IntPtr player, out bool enabled);
 321
 322         [DllImport(Libraries.Player, EntryPoint = "player_360_set_direction_of_view")]
 323         internal static extern PlayerErrorCode SetDirectionOfView(IntPtr player, float yaw, float pitch);
 324
 325         [DllImport(Libraries.Player, EntryPoint = "player_360_get_direction_of_view")]
 326         internal static extern PlayerErrorCode GetDirectionOfView(IntPtr player, out float yaw, out float pitch);
 327
 328         [DllImport(Libraries.Player, EntryPoint = "player_360_set_zoom")]
 329         internal static extern PlayerErrorCode SetZoom(IntPtr player, float level);
 330
 331         [DllImport(Libraries.Player, EntryPoint = "player_360_get_zoom")]
 332         internal static extern PlayerErrorCode GetZoom(IntPtr player, out float level);
 333
 334         [DllImport(Libraries.Player, EntryPoint = "player_360_set_field_of_view")]
 335         internal static extern PlayerErrorCode SetFieldOfView(IntPtr player, int horizontalDegrees, int verticalDegrees);
 336
 337         [DllImport(Libraries.Player, EntryPoint = "player_360_get_field_of_view")]
 338         internal static extern PlayerErrorCode GetFieldOfView(IntPtr player, out int horizontalDegrees, out int verticalDegrees);
 339
 340         [DllImport(Libraries.Player, EntryPoint = "player_360_set_zoom_with_field_of_view")]
 341         internal static extern PlayerErrorCode SetZoomWithFieldOfView(IntPtr player, float level, int horizontalDegrees, int verticalDegrees);
 342
 343         [DllImport(Libraries.Player, EntryPoint = "player_foreach_adaptive_variant")]
 344         internal static extern PlayerErrorCode ForeachAdaptiveVariants(IntPtr player, AdaptiveVariantCallback callback, IntPtr userData);
 345
 346         [DllImport(Libraries.Player, EntryPoint = "player_set_max_adaptive_variant_limit")]
 347         internal static extern PlayerErrorCode SetMaxLimit(IntPtr player, int bandwidth, int width, int height);
 348
 349         [DllImport(Libraries.Player, EntryPoint = "player_get_max_adaptive_variant_limit")]
 350         internal static extern PlayerErrorCode GetMaxLimit(IntPtr player, out int bandwidth, out int width, out int height);
 351
 352         [DllImport(Libraries.Player, EntryPoint = "player_set_video_roi_area")]
 353         internal static extern PlayerErrorCode SetVideoRoi(IntPtr player, double scaleX, double scaleY, double scaleWidth, double scaleHeight);
 354
 355         [DllImport(Libraries.Player, EntryPoint = "player_get_video_roi_area")]
 356         internal static extern PlayerErrorCode GetVideoRoi(IntPtr player, out double scaleX, out double scaleY, out double scaleWidth, out double scaleHeight);
 357
 358         [DllImport(Libraries.Player, EntryPoint = "player_audio_pitch_set_enabled")]
 359         internal static extern PlayerErrorCode SetAudioPitchEnabled(IntPtr player, bool enabled);
 360
 361         [DllImport(Libraries.Player, EntryPoint = "player_audio_pitch_is_enabled")]
 362         internal static extern PlayerErrorCode IsAudioPitchEnabled(IntPtr player, out bool enabled);
 363
 364         [DllImport(Libraries.Player, EntryPoint = "player_audio_pitch_set_value")]
 365         internal static extern PlayerErrorCode SetAudioPitch(IntPtr player, float level);
 366
 367         [DllImport(Libraries.Player, EntryPoint = "player_audio_pitch_get_value")]
 368         internal static extern PlayerErrorCode GetAudioPitch(IntPtr player, out float level);
 369
 370         [DllImport(Libraries.Player, EntryPoint = "player_audio_offload_set_enabled")]
 371         internal static extern PlayerErrorCode SetAudioOffloadEnabled(IntPtr player, bool value);
 372
 373         [DllImport(Libraries.Player, EntryPoint = "player_audio_offload_is_enabled")]
 374         internal static extern PlayerErrorCode IsAudioOffloadEnabled(IntPtr player, out bool value);
 375
 376         [DllImport(Libraries.Player, EntryPoint = "player_audio_offload_is_activated")]
 377         internal static extern PlayerErrorCode IsAudioOffloadActivated(IntPtr player, out bool value);
 378
 379         [DllImport(Libraries.Player, EntryPoint = "player_audio_offload_foreach_supported_format")]
 380         internal static extern PlayerErrorCode SupportedAudioOffloadFormat(IntPtr player, SupportedMediaFormatCallback callback, IntPtr userData);
 381     }
 382
 383     internal class PlayerHandle : SafeHandle
 384     {
 385         protected PlayerHandle() : base(IntPtr.Zero, true)
 386         {
 387         }
 388
 389         internal PlayerHandle(IntPtr rawHandle) : this()
 390         {
 391             handle = rawHandle;
 392         }
 393
 394         public override bool IsInvalid => handle == IntPtr.Zero;
 395
 396         protected override bool ReleaseHandle()
 397         {
 398             var ret = NativePlayer.Destroy(handle);
 399             if (ret != PlayerErrorCode.None)
 400             {
 401                 Log.Debug(GetType().FullName, $"Failed to release native {GetType().Name}");
 402                 return false;
 403             }
 404
 405             return true;
 406         }
 407     }
 408 }