New interface: AudioEncoderMutable

With implementations for all codecs. It has no users yet. This new
interface is the same as AudioEncoder (in fact it is a subclass) but
it allows changing some parameters after construction.

COAUTHOR=henrik.lundin@webrtc.org
BUG=4228
R=jmarusic@webrtc.org, minyue@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/51679004

Cr-Commit-Position: refs/heads/master@{#9149}

1 files changed, 42 insertions, 0 deletions

diff --git a/webrtc/modules/audio_coding/codecs/isac/main/interface/audio_encoder_isac.h b/webrtc/modules/audio_coding/codecs/isac/main/interface/audio_encoder_isac.h
index 7d8ac7951b..5a75807469 100644
--- a/webrtc/modules/audio_coding/codecs/isac/main/interface/audio_encoder_isac.h
+++ b/webrtc/modules/audio_coding/codecs/isac/main/interface/audio_encoder_isac.h
@@ -12,6 +12,8 @@
 #define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_INTERFACE_AUDIO_ENCODER_ISAC_H_
 
 #include "webrtc/base/checks.h"
+#include "webrtc/base/scoped_ptr.h"
+#include "webrtc/modules/audio_coding/codecs/audio_encoder_mutable_impl.h"
 #include "webrtc/modules/audio_coding/codecs/isac/audio_encoder_isac_t.h"
 #include "webrtc/modules/audio_coding/codecs/isac/main/interface/isac.h"
 
@@ -102,5 +104,45 @@ struct IsacFloat {
 
 typedef AudioEncoderDecoderIsacT<IsacFloat> AudioEncoderDecoderIsac;
 
+struct CodecInst;
+
+class AudioEncoderDecoderMutableIsacFloat
+    : public AudioEncoderMutableImpl<AudioEncoderDecoderIsac,
+                                     AudioEncoderDecoderMutableIsac> {
+ public:
+  explicit AudioEncoderDecoderMutableIsacFloat(const CodecInst& codec_inst);
+  void UpdateSettings(const CodecInst& codec_inst) override;
+  void SetMaxPayloadSize(int max_payload_size_bytes) override;
+  void SetMaxRate(int max_rate_bps) override;
+
+  // From AudioDecoder.
+  int Decode(const uint8_t* encoded,
+             size_t encoded_len,
+             int sample_rate_hz,
+             size_t max_decoded_bytes,
+             int16_t* decoded,
+             SpeechType* speech_type) override;
+  int DecodeRedundant(const uint8_t* encoded,
+                      size_t encoded_len,
+                      int sample_rate_hz,
+                      size_t max_decoded_bytes,
+                      int16_t* decoded,
+                      SpeechType* speech_type) override;
+  bool HasDecodePlc() const override;
+  int DecodePlc(int num_frames, int16_t* decoded) override;
+  int Init() override;
+  int IncomingPacket(const uint8_t* payload,
+                     size_t payload_len,
+                     uint16_t rtp_sequence_number,
+                     uint32_t rtp_timestamp,
+                     uint32_t arrival_timestamp) override;
+  int ErrorCode() override;
+  int PacketDuration(const uint8_t* encoded, size_t encoded_len) const override;
+  int PacketDurationRedundant(const uint8_t* encoded,
+                              size_t encoded_len) const override;
+  bool PacketHasFec(const uint8_t* encoded, size_t encoded_len) const override;
+  size_t Channels() const override;
+};
+
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_MAIN_INTERFACE_AUDIO_ENCODER_ISAC_H_