1 /*
2  *  Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 #ifndef WEBRTC_MODULES_AUDIO_CODING_ACM2_CODEC_MANAGER_H_
12 #define WEBRTC_MODULES_AUDIO_CODING_ACM2_CODEC_MANAGER_H_
13 
14 #include <map>
15 
16 #include "webrtc/base/constructormagic.h"
17 #include "webrtc/base/optional.h"
18 #include "webrtc/base/scoped_ptr.h"
19 #include "webrtc/base/thread_checker.h"
20 #include "webrtc/modules/audio_coding/acm2/rent_a_codec.h"
21 #include "webrtc/modules/audio_coding/include/audio_coding_module_typedefs.h"
22 #include "webrtc/common_types.h"
23 
24 namespace webrtc {
25 
26 class AudioDecoder;
27 class AudioEncoder;
28 
29 namespace acm2 {
30 
31 class CodecManager final {
32  public:
33   CodecManager();
34   ~CodecManager();
35 
36   // Parses the given specification. On success, returns true and updates the
37   // stored CodecInst and stack parameters; on error, returns false.
38   bool RegisterEncoder(const CodecInst& send_codec);
39 
40   static CodecInst ForgeCodecInst(const AudioEncoder* external_speech_encoder);
41 
GetCodecInst()42   const CodecInst* GetCodecInst() const {
43     return send_codec_inst_ ? &*send_codec_inst_ : nullptr;
44   }
GetStackParams()45   const RentACodec::StackParameters* GetStackParams() const {
46     return &codec_stack_params_;
47   }
GetStackParams()48   RentACodec::StackParameters* GetStackParams() { return &codec_stack_params_; }
49 
50   bool SetCopyRed(bool enable);
51 
52   bool SetVAD(bool enable, ACMVADMode mode);
53 
54   bool SetCodecFEC(bool enable_codec_fec);
55 
56  private:
57   rtc::ThreadChecker thread_checker_;
58   rtc::Optional<CodecInst> send_codec_inst_;
59   RentACodec::StackParameters codec_stack_params_;
60 
61   RTC_DISALLOW_COPY_AND_ASSIGN(CodecManager);
62 };
63 
64 }  // namespace acm2
65 }  // namespace webrtc
66 #endif  // WEBRTC_MODULES_AUDIO_CODING_ACM2_CODEC_MANAGER_H_
67