Line data    Source code

       1             : /*
       2             :  *  Copyright (c) 2014 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             : #include "webrtc/modules/audio_coding/codecs/pcm16b/audio_encoder_pcm16b.h"
      12             : 
      13             : #include "webrtc/base/checks.h"
      14             : #include "webrtc/common_types.h"
      15             : #include "webrtc/modules/audio_coding/codecs/pcm16b/pcm16b.h"
      16             : 
      17             : namespace webrtc {
      18             : 
      19           0 : size_t AudioEncoderPcm16B::EncodeCall(const int16_t* audio,
      20             :                                       size_t input_len,
      21             :                                       uint8_t* encoded) {
      22           0 :   return WebRtcPcm16b_Encode(audio, input_len, encoded);
      23             : }
      24             : 
      25           0 : size_t AudioEncoderPcm16B::BytesPerSample() const {
      26           0 :   return 2;
      27             : }
      28             : 
      29           0 : AudioEncoder::CodecType AudioEncoderPcm16B::GetCodecType() const {
      30           0 :   return CodecType::kOther;
      31             : }
      32             : 
      33             : namespace {
      34           0 : AudioEncoderPcm16B::Config CreateConfig(const CodecInst& codec_inst) {
      35           0 :   AudioEncoderPcm16B::Config config;
      36           0 :   config.num_channels = codec_inst.channels;
      37           0 :   config.sample_rate_hz = codec_inst.plfreq;
      38           0 :   config.frame_size_ms = rtc::CheckedDivExact(
      39           0 :       codec_inst.pacsize, rtc::CheckedDivExact(config.sample_rate_hz, 1000));
      40           0 :   config.payload_type = codec_inst.pltype;
      41           0 :   return config;
      42             : }
      43             : }  // namespace
      44             : 
      45           0 : bool AudioEncoderPcm16B::Config::IsOk() const {
      46           0 :   if ((sample_rate_hz != 8000) && (sample_rate_hz != 16000) &&
      47           0 :       (sample_rate_hz != 32000) && (sample_rate_hz != 48000))
      48           0 :     return false;
      49           0 :   return AudioEncoderPcm::Config::IsOk();
      50             : }
      51             : 
      52           0 : AudioEncoderPcm16B::AudioEncoderPcm16B(const CodecInst& codec_inst)
      53           0 :     : AudioEncoderPcm16B(CreateConfig(codec_inst)) {}
      54             : 
      55             : }  // namespace webrtc