remoting/codec/audio_decoder_verbatim.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "remoting/codec/audio_decoder_verbatim.h"
   6
   7 #include "base/logging.h"
   8 #include "remoting/proto/audio.pb.h"
   9
  10 namespace remoting {
  11
  12 AudioDecoderVerbatim::AudioDecoderVerbatim() {
  13 }
  14
  15 AudioDecoderVerbatim::~AudioDecoderVerbatim() {
  16 }
  17
  18 scoped_ptr<AudioPacket> AudioDecoderVerbatim::Decode(
  19     scoped_ptr<AudioPacket> packet) {
  20   // Return a null scoped_ptr if we get a corrupted packet.
  21   if ((packet->encoding() != AudioPacket::ENCODING_RAW) ||
  22       (packet->data_size() != 1) ||
  23       (packet->sampling_rate() == AudioPacket::SAMPLING_RATE_INVALID) ||
  24       (packet->bytes_per_sample() != AudioPacket::BYTES_PER_SAMPLE_2) ||
  25       (packet->channels() != AudioPacket::CHANNELS_STEREO) ||
  26       (packet->data(0).size() %
  27        (AudioPacket::CHANNELS_STEREO * AudioPacket::BYTES_PER_SAMPLE_2) != 0)) {
  28     LOG(WARNING) << "Verbatim decoder received an invalid packet.";
  29     return scoped_ptr<AudioPacket>();
  30   }
  31   return packet.Pass();
  32 }
  33
  34 }  // namespace remoting