Send voice message.

matrix-sdk-android-rx/src/main/java/org/matrix/android/sdk/rx/RxRoom.kt

@@ -23,6 +23,7 @@ import io.reactivex.Single
 import kotlinx.coroutines.rx2.rxCompletable
 import kotlinx.coroutines.rx2.rxSingle
 import org.matrix.android.sdk.api.query.QueryStringValue
+import org.matrix.android.sdk.api.session.content.ContentAttachmentData
 import org.matrix.android.sdk.api.session.events.model.Event
 import org.matrix.android.sdk.api.session.identity.ThreePid
 import org.matrix.android.sdk.api.session.room.Room
@@ -146,6 +147,10 @@ class RxRoom(private val room: Room) {
     fun deleteAvatar(): Completable = rxCompletable {
         room.deleteAvatar()
     }
+
+    fun sendMedia(attachment: ContentAttachmentData, compressBeforeSending: Boolean, roomIds: Set<String>): Completable = rxCompletable {
+        room.sendMedia(attachment, compressBeforeSending, roomIds)
+    }
 }
 
 fun Room.rx(): RxRoom {

matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/room/model/message/MessageAudioContent.kt

@@ -20,6 +20,7 @@ import com.squareup.moshi.Json
 import com.squareup.moshi.JsonClass
 import org.matrix.android.sdk.api.session.events.model.Content
 import org.matrix.android.sdk.api.session.room.model.relation.RelationDefaultContent
+import org.matrix.android.sdk.internal.crypto.model.rest.AudioWaveformInfo
 import org.matrix.android.sdk.internal.crypto.model.rest.EncryptedFileInfo
 
 @JsonClass(generateAdapter = true)
@@ -50,7 +51,17 @@ data class MessageAudioContent(
         /**
          * Required if the file is encrypted. Information on the encrypted file, as specified in End-to-end encryption.
          */
-        @Json(name = "file") override val encryptedFileInfo: EncryptedFileInfo? = null
+        @Json(name = "file") override val encryptedFileInfo: EncryptedFileInfo? = null,
+
+        /**
+         * Encapsulates waveform and duration of the audio.
+         */
+        @Json(name = "org.matrix.msc1767.audio") val audioWaveformInfo: AudioWaveformInfo? = null,
+
+        /**
+         * Indicates that is a voice message.
+         */
+        @Json(name = "org.matrix.msc2516.voice") val voiceMessageIndicator: Any? = null
 ) : MessageWithAttachmentContent {
 
     override val mimeType: String?

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/model/rest/AudioWaveformInfo.kt

@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2021 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.matrix.android.sdk.internal.crypto.model.rest
+
+import com.squareup.moshi.Json
+import com.squareup.moshi.JsonClass
+
+@JsonClass(generateAdapter = true)
+data class AudioWaveformInfo(
+        @Json(name = "duration")
+        val duration: Long? = null,
+
+        @Json(name = "waveform")
+        val waveform: List<Int>? = null
+
+)

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/send/LocalEchoEventFactory.kt

@@ -53,6 +53,7 @@ import org.matrix.android.sdk.api.session.room.model.relation.ReplyToContent
 import org.matrix.android.sdk.api.session.room.timeline.TimelineEvent
 import org.matrix.android.sdk.api.session.room.timeline.getLastMessageContent
 import org.matrix.android.sdk.api.session.room.timeline.isReply
+import org.matrix.android.sdk.internal.crypto.model.rest.AudioWaveformInfo
 import org.matrix.android.sdk.internal.di.UserId
 import org.matrix.android.sdk.internal.session.content.ThumbnailExtractor
 import org.matrix.android.sdk.internal.session.permalinks.PermalinkFactory
@@ -289,6 +290,7 @@ internal class LocalEchoEventFactory @Inject constructor(
     }
 
     private fun createAudioEvent(roomId: String, attachment: ContentAttachmentData): Event {
+        val isVoiceMessage = attachment.mimeType == "audio/ogg"
         val content = MessageAudioContent(
                 msgType = MessageType.MSGTYPE_AUDIO,
                 body = attachment.name ?: "audio",
@@ -296,7 +298,12 @@ internal class LocalEchoEventFactory @Inject constructor(
                         mimeType = attachment.getSafeMimeType()?.takeIf { it.isNotBlank() },
                         size = attachment.size
                 ),
-                url = attachment.queryUri.toString()
+                url = attachment.queryUri.toString(),
+                audioWaveformInfo = if (!isVoiceMessage) null else AudioWaveformInfo(
+                        duration = attachment.duration,
+                        waveform = null // TODO.
+                ),
+                voiceMessageIndicator = if (!isVoiceMessage) null else Any()
         )
         return createMessageEvent(roomId, content)
     }

multipicker/src/main/java/im/vector/lib/multipicker/utils/ContentResolverUtil.kt

@@ -111,7 +111,7 @@ internal fun Uri.toMultiPickerVideoType(context: Context): MultiPickerVideoType?
     }
 }
 
-internal fun Uri.toMultiPickerAudioType(context: Context): MultiPickerAudioType? {
+fun Uri.toMultiPickerAudioType(context: Context): MultiPickerAudioType? {
     val projection = arrayOf(
             MediaStore.Audio.Media.DISPLAY_NAME,
             MediaStore.Audio.Media.SIZE