Make an enum class out of NetEqDecoder, and hide the neteq_decoders_ table

webrtc/modules/audio_coding/neteq/payload_splitter.cc

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 134 matching lines @@
     AudioDecoder* decoder = decoder_database->GetDecoder(payload_type);
     // decoder should not return NULL.
     assert(decoder != NULL);
     if (!decoder ||
         !decoder->PacketHasFec(packet->payload, packet->payload_length)) {
       ++it;
       continue;
     }
 
     switch (info->codec_type) {
-      case kDecoderOpus:
-      case kDecoderOpus_2ch: {
+      case NetEqDecoder::kDecoderOpus:
+      case NetEqDecoder::kDecoderOpus_2ch: {
         // The main payload of this packet should be decoded as a primary
         // payload, even if it comes as a secondary payload in a RED packet.
         packet->primary = true;
 
         Packet* new_packet = new Packet;
         new_packet->header = packet->header;
         int duration = decoder->
             PacketDurationRedundant(packet->payload, packet->payload_length);
         new_packet->header.timestamp -= duration;
         new_packet->payload = new uint8_t[packet->payload_length];
@@ skipping 62 matching lines @@
       LOG(LS_WARNING) << "SplitAudio unknown payload type";
       return kUnknownPayloadType;
     }
     // No splitting for a sync-packet.
     if (packet->sync_packet) {
       ++it;
       continue;
     }
     PacketList new_packets;
     switch (info->codec_type) {
-      case kDecoderPCMu:
-      case kDecoderPCMa: {
+      case NetEqDecoder::kDecoderPCMu:
+      case NetEqDecoder::kDecoderPCMa: {
         // 8 bytes per ms; 8 timestamps per ms.
         SplitBySamples(packet, 8, 8, &new_packets);
         break;
       }
-      case kDecoderPCMu_2ch:
-      case kDecoderPCMa_2ch: {
+      case NetEqDecoder::kDecoderPCMu_2ch:
+      case NetEqDecoder::kDecoderPCMa_2ch: {
         // 2 * 8 bytes per ms; 8 timestamps per ms.
         SplitBySamples(packet, 2 * 8, 8, &new_packets);
         break;
       }
-      case kDecoderG722: {
+      case NetEqDecoder::kDecoderG722: {
         // 8 bytes per ms; 16 timestamps per ms.
         SplitBySamples(packet, 8, 16, &new_packets);
         break;
       }
-      case kDecoderPCM16B: {
+      case NetEqDecoder::kDecoderPCM16B: {
         // 16 bytes per ms; 8 timestamps per ms.
         SplitBySamples(packet, 16, 8, &new_packets);
         break;
       }
-      case kDecoderPCM16Bwb: {
+      case NetEqDecoder::kDecoderPCM16Bwb: {
         // 32 bytes per ms; 16 timestamps per ms.
         SplitBySamples(packet, 32, 16, &new_packets);
         break;
       }
-      case kDecoderPCM16Bswb32kHz: {
+      case NetEqDecoder::kDecoderPCM16Bswb32kHz: {
         // 64 bytes per ms; 32 timestamps per ms.
         SplitBySamples(packet, 64, 32, &new_packets);
         break;
       }
-      case kDecoderPCM16Bswb48kHz: {
+      case NetEqDecoder::kDecoderPCM16Bswb48kHz: {
         // 96 bytes per ms; 48 timestamps per ms.
         SplitBySamples(packet, 96, 48, &new_packets);
         break;
       }
-      case kDecoderPCM16B_2ch: {
+      case NetEqDecoder::kDecoderPCM16B_2ch: {
         // 2 * 16 bytes per ms; 8 timestamps per ms.
         SplitBySamples(packet, 2 * 16, 8, &new_packets);
         break;
       }
-      case kDecoderPCM16Bwb_2ch: {
+      case NetEqDecoder::kDecoderPCM16Bwb_2ch: {
         // 2 * 32 bytes per ms; 16 timestamps per ms.
         SplitBySamples(packet, 2 * 32, 16, &new_packets);
         break;
       }
-      case kDecoderPCM16Bswb32kHz_2ch: {
+      case NetEqDecoder::kDecoderPCM16Bswb32kHz_2ch: {
         // 2 * 64 bytes per ms; 32 timestamps per ms.
         SplitBySamples(packet, 2 * 64, 32, &new_packets);
         break;
       }
-      case kDecoderPCM16Bswb48kHz_2ch: {
+      case NetEqDecoder::kDecoderPCM16Bswb48kHz_2ch: {
         // 2 * 96 bytes per ms; 48 timestamps per ms.
         SplitBySamples(packet, 2 * 96, 48, &new_packets);
         break;
       }
-      case kDecoderPCM16B_5ch: {
+      case NetEqDecoder::kDecoderPCM16B_5ch: {
         // 5 * 16 bytes per ms; 8 timestamps per ms.
         SplitBySamples(packet, 5 * 16, 8, &new_packets);
         break;
       }
-      case kDecoderILBC: {
+      case NetEqDecoder::kDecoderILBC: {
         size_t bytes_per_frame;
         int timestamps_per_frame;
         if (packet->payload_length >= 950) {
           LOG(LS_WARNING) << "SplitAudio too large iLBC payload";
           return kTooLargePayload;
         }
         if (packet->payload_length % 38 == 0) {
           // 20 ms frames.
           bytes_per_frame = 38;
           timestamps_per_frame = 160;
@@ skipping 120 matching lines @@
     new_packet->payload = new uint8_t[bytes_per_frame];
     memcpy(new_packet->payload, payload_ptr, bytes_per_frame);
     payload_ptr += bytes_per_frame;
     new_packets->push_back(new_packet);
     len -= bytes_per_frame;
   }
   return kOK;
 }
 
 }  // namespace webrtc