src/Tizen.Content.MediaContent/Interop/Interop.AudioInformation.cs

   1 /*
   2  * Copyright (c) 2016 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
  18 using System;
  19 using System.Runtime.InteropServices;
  20 using Tizen.Content.MediaContent;
  21
  22 internal static partial class Interop
  23 {
  24     internal static partial class AudioInformation
  25     {
  26         [DllImport(Libraries.MediaContent, EntryPoint = "audio_meta_destroy", CallingConvention = CallingConvention.Cdecl)]
  27         internal static extern MediaContentError Destroy(IntPtr media);
  28
  29         [DllImport(Libraries.MediaContent, EntryPoint = "audio_meta_clone", CallingConvention = CallingConvention.Cdecl)]
  30         internal static extern MediaContentError Clone(out SafeAudioInformationHandle dst, SafeAudioInformationHandle src);
  31
  32         [DllImport(Libraries.MediaContent, EntryPoint = "audio_meta_get_media_id", CallingConvention = CallingConvention.Cdecl)]
  33         internal static extern MediaContentError GetMediaId(SafeAudioInformationHandle audioInformationHandle, out IntPtr mediaId);
  34
  35         [DllImport(Libraries.MediaContent, EntryPoint = "audio_meta_get_album", CallingConvention = CallingConvention.Cdecl)]
  36         internal static extern MediaContentError GetAlbum(SafeAudioInformationHandle audioInformationHandle, out IntPtr albumName);
  37
  38         [DllImport(Libraries.MediaContent, EntryPoint = "audio_meta_get_artist", CallingConvention = CallingConvention.Cdecl)]
  39         internal static extern MediaContentError GetArtist(SafeAudioInformationHandle audioInformationHandle, out IntPtr artistName);
  40
  41         [DllImport(Libraries.MediaContent, EntryPoint = "audio_meta_get_album_artist", CallingConvention = CallingConvention.Cdecl)]
  42         internal static extern MediaContentError GetAlbumArtist(SafeAudioInformationHandle audioInformationHandle, out IntPtr albumArtistName);
  43
  44         [DllImport(Libraries.MediaContent, EntryPoint = "audio_meta_get_genre", CallingConvention = CallingConvention.Cdecl)]
  45         internal static extern MediaContentError GetGenre(SafeAudioInformationHandle audioInformationHandle, out IntPtr genreName);
  46
  47         [DllImport(Libraries.MediaContent, EntryPoint = "audio_meta_get_composer", CallingConvention = CallingConvention.Cdecl)]
  48         internal static extern MediaContentError GetComposer(SafeAudioInformationHandle audioInformationHandle, out IntPtr composerName);
  49
  50         [DllImport(Libraries.MediaContent, EntryPoint = "audio_meta_get_year", CallingConvention = CallingConvention.Cdecl)]
  51         internal static extern MediaContentError GetYear(SafeAudioInformationHandle audioInformationHandle, out IntPtr year);
  52
  53         [DllImport(Libraries.MediaContent, EntryPoint = "audio_meta_get_recorded_date", CallingConvention = CallingConvention.Cdecl)]
  54         internal static extern MediaContentError GetRecordedDate(SafeAudioInformationHandle audioInformationHandle, out IntPtr recordedDate);
  55
  56         [DllImport(Libraries.MediaContent, EntryPoint = "audio_meta_get_copyright", CallingConvention = CallingConvention.Cdecl)]
  57         internal static extern MediaContentError GetCopyright(SafeAudioInformationHandle audioInformationHandle, out IntPtr copyright);
  58
  59         [DllImport(Libraries.MediaContent, EntryPoint = "audio_meta_get_track_num", CallingConvention = CallingConvention.Cdecl)]
  60         internal static extern MediaContentError GetTrackNum(SafeAudioInformationHandle audioInformationHandle, out IntPtr trackNum);
  61
  62         [DllImport(Libraries.MediaContent, EntryPoint = "audio_meta_get_bit_rate", CallingConvention = CallingConvention.Cdecl)]
  63         internal static extern MediaContentError GetBitRate(SafeAudioInformationHandle audioInformationHandle, out int bitRate);
  64
  65         [DllImport(Libraries.MediaContent, EntryPoint = "audio_meta_get_bitpersample", CallingConvention = CallingConvention.Cdecl)]
  66         internal static extern MediaContentError GetBitPerSample(SafeAudioInformationHandle audioInformationHandle, out int bitPerSample);
  67
  68         [DllImport(Libraries.MediaContent, EntryPoint = "audio_meta_get_sample_rate", CallingConvention = CallingConvention.Cdecl)]
  69         internal static extern MediaContentError GetSampleRate(SafeAudioInformationHandle audioInformationHandle, out int sampleRate);
  70
  71         [DllImport(Libraries.MediaContent, EntryPoint = "audio_meta_get_channel", CallingConvention = CallingConvention.Cdecl)]
  72         internal static extern MediaContentError GetChannel(SafeAudioInformationHandle audioInformationHandle, out int channel);
  73
  74         [DllImport(Libraries.MediaContent, EntryPoint = "audio_meta_get_duration", CallingConvention = CallingConvention.Cdecl)]
  75         internal static extern MediaContentError GetDuration(SafeAudioInformationHandle audioInformationHandle, out int duration);
  76
  77         [DllImport(Libraries.MediaContent, EntryPoint = "audio_meta_get_played_count", CallingConvention = CallingConvention.Cdecl)]
  78         internal static extern MediaContentError GetPlayedCount(SafeAudioInformationHandle audioInformationHandle, out int playedCount);
  79
  80         [DllImport(Libraries.MediaContent, EntryPoint = "audio_meta_get_played_time", CallingConvention = CallingConvention.Cdecl)]
  81         internal static extern MediaContentError GetPlayedTime(SafeAudioInformationHandle audioInformationHandle, out int playedTime);
  82
  83         [DllImport(Libraries.MediaContent, EntryPoint = "audio_meta_get_played_position", CallingConvention = CallingConvention.Cdecl)]
  84         internal static extern MediaContentError GetPlayedPosition(SafeAudioInformationHandle audioInformationHandle, out int playedPosition);
  85
  86         [DllImport(Libraries.MediaContent, EntryPoint = "audio_meta_set_played_count", CallingConvention = CallingConvention.Cdecl)]
  87         internal static extern MediaContentError SetPlayedCount(SafeAudioInformationHandle audioInformationHandle, int playedCount);
  88
  89         [DllImport(Libraries.MediaContent, EntryPoint = "audio_meta_set_played_time", CallingConvention = CallingConvention.Cdecl)]
  90         internal static extern MediaContentError SetPlayedTime(SafeAudioInformationHandle audioInformationHandle, int playedTime);
  91
  92         [DllImport(Libraries.MediaContent, EntryPoint = "audio_meta_set_played_position", CallingConvention = CallingConvention.Cdecl)]
  93         internal static extern MediaContentError SetPlayedPosition(SafeAudioInformationHandle audioInformationHandle, int playedPosition);
  94
  95         [DllImport(Libraries.MediaContent, EntryPoint = "audio_meta_update_to_db", CallingConvention = CallingConvention.Cdecl)]
  96         internal static extern MediaContentError UpdateToDB(IntPtr audioInformationHandle);
  97
  98         internal sealed class SafeAudioInformationHandle : SafeHandle
  99         {
 100             public SafeAudioInformationHandle()
 101                 : base(IntPtr.Zero, true)
 102             {
 103             }
 104
 105             public override bool IsInvalid
 106             {
 107                 get { return this.handle == IntPtr.Zero; }
 108             }
 109
 110             protected override bool ReleaseHandle()
 111             {
 112                 AudioInformation.Destroy(this.handle);
 113                 this.SetHandle(IntPtr.Zero);
 114                 return true;
 115             }
 116         }
 117     }
 118 }