Merge pull request #602 from tguilbert-google/opus_frame_duration

Change frameDuration to microseconds

Author: tguilbert-google

opus_codec_registration.src.html

@@ -131,7 +131,7 @@
 <xmp>
 dictionary OpusEncoderConfig {
   OpusBitstreamFormat format = "opus";
-  [EnforceRange] unsigned long frameDuration;
+  [EnforceRange] unsigned long long frameDuration = 20000;
   [EnforceRange] unsigned long complexity;
   [EnforceRange] unsigned long packetlossperc = 0;
   boolean useinbandfec = false;
@@ -141,8 +141,8 @@
 </pre>
 
 To check if an {{OpusEncoderConfig}} is valid, run these steps:
-1. If {{OpusEncoderConfig/frameDuration}} is not a valid `ptime` value,
-    which is described in Section 6.1 of [[RFC7587]], return `false`.
+1. If {{OpusEncoderConfig/frameDuration}} is not a valid frame duration,
+    which is described section 2.1.4 of [[RFC6716]], return `false`.
 1. If {{OpusEncoderConfig/complexity}} is specified and not within the range of
     `0` and `10` inclusively, return `false`.
 1. If {{OpusEncoderConfig/packetlossperc}} is specified and not within the range of
@@ -157,7 +157,33 @@
   </dd>
   <dt><dfn dict-member for=OpusEncoderConfig>frameDuration</dfn></dt>
   <dd>
-    Configures the frame duration, in milliseconds, of output {{EncodedAudioChunk}}s.
+    Configures the frame duration, in microseconds, of output {{EncodedAudioChunk}}s.
+  </dd>
+  <dt><dfn dict-member for=OpusEncoderConfig>complexity</dfn></dt>
+  <dd>
+    Configures the encoder's computational complexity, as described in section 2.1.9.
+    of [[RFC6716]]. The valid range is `0` to `10`, with `10` representing the highest
+    complexity. If no value is specificied, the default value is platform-specific:
+    User Agents <em class="rfc2119">SHOULD</em> set a default of `5` for mobile
+    platforms, and a default of `9` for all other platforms.
+  </dd>
+  <dt><dfn dict-member for=OpusEncoderConfig>packetlossperc</dfn></dt>
+  <dd>
+    Configures the encoder's expected packet loss percentage. The valid range is
+    `0` to `100`.
+
+    NOTE: The packet loss percentage might be updated over the course of an
+    encoding, and it is recommended for User Agents to support these reconfigurations.
+  </dd>
+  <dt><dfn dict-member for=OpusEncoderConfig>useinbandfec</dfn></dt>
+  <dd>
+    Specifies whether the encoder provides Opus in-band Forward Error Correction
+    (FEC), as described by section 2.1.7. of [[RFC6716]].
+  </dd>
+  <dt><dfn dict-member for=OpusEncoderConfig>usedtx</dfn></dt>
+  <dd>
+    Specifies if the encoder uses Discontinuous Transmission (DTX), as described
+    by section 2.1.9. of [[RFC6716]].
   </dd>
   <dt><dfn dict-member for=OpusEncoderConfig>complexity</dfn></dt>
   <dd>