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Diffstat (limited to 'chromium/third_party/webrtc/modules/audio_coding/neteq4/payload_splitter.h')
-rw-r--r-- | chromium/third_party/webrtc/modules/audio_coding/neteq4/payload_splitter.h | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/chromium/third_party/webrtc/modules/audio_coding/neteq4/payload_splitter.h b/chromium/third_party/webrtc/modules/audio_coding/neteq4/payload_splitter.h deleted file mode 100644 index 3768c2f2b1c..00000000000 --- a/chromium/third_party/webrtc/modules/audio_coding/neteq4/payload_splitter.h +++ /dev/null @@ -1,83 +0,0 @@ -/* - * 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. - */ - -#ifndef WEBRTC_MODULES_AUDIO_CODING_NETEQ4_PAYLOAD_SPLITTER_H_ -#define WEBRTC_MODULES_AUDIO_CODING_NETEQ4_PAYLOAD_SPLITTER_H_ - -#include "webrtc/modules/audio_coding/neteq4/packet.h" -#include "webrtc/system_wrappers/interface/constructor_magic.h" - -namespace webrtc { - -// Forward declarations. -class DecoderDatabase; - -// This class handles splitting of payloads into smaller parts. -// The class does not have any member variables, and the methods could have -// been made static. The reason for not making them static is testability. -// With this design, the splitting functionality can be mocked during testing -// of the NetEqImpl class. -class PayloadSplitter { - public: - enum SplitterReturnCodes { - kOK = 0, - kNoSplit = 1, - kTooLargePayload = -1, - kFrameSplitError = -2, - kUnknownPayloadType = -3, - kRedLengthMismatch = -4 - }; - - PayloadSplitter() {} - - virtual ~PayloadSplitter() {} - - // Splits each packet in |packet_list| into its separate RED payloads. Each - // RED payload is packetized into a Packet. The original elements in - // |packet_list| are properly deleted, and replaced by the new packets. - // Note that all packets in |packet_list| must be RED payloads, i.e., have - // RED headers according to RFC 2198 at the very beginning of the payload. - // Returns kOK or an error. - virtual int SplitRed(PacketList* packet_list); - - // Checks all packets in |packet_list|. Packets that are DTMF events or - // comfort noise payloads are kept. Except that, only one single payload type - // is accepted. Any packet with another payload type is discarded. - virtual int CheckRedPayloads(PacketList* packet_list, - const DecoderDatabase& decoder_database); - - // Iterates through |packet_list| and, if possible, splits each audio payload - // into suitable size chunks. The result is written back to |packet_list| as - // new packets. The decoder database is needed to get information about which - // payload type each packet contains. - virtual int SplitAudio(PacketList* packet_list, - const DecoderDatabase& decoder_database); - - private: - // Splits the payload in |packet|. The payload is assumed to be from a - // sample-based codec. - virtual void SplitBySamples(const Packet* packet, - int bytes_per_ms, - int timestamps_per_ms, - PacketList* new_packets); - - // Splits the payload in |packet|. The payload will be split into chunks of - // size |bytes_per_frame|, corresponding to a |timestamps_per_frame| - // RTP timestamps. - virtual int SplitByFrames(const Packet* packet, - int bytes_per_frame, - int timestamps_per_frame, - PacketList* new_packets); - - DISALLOW_COPY_AND_ASSIGN(PayloadSplitter); -}; - -} // namespace webrtc -#endif // WEBRTC_MODULES_AUDIO_CODING_NETEQ4_PAYLOAD_SPLITTER_H_ |