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/*
* Copyright (c) 2014 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.
*/
#include "modules/audio_coding/codecs/pcm16b/audio_encoder_pcm16b.h"
#include <algorithm>
#include "common_types.h" // NOLINT(build/include)
#include "modules/audio_coding/codecs/pcm16b/pcm16b.h"
#include "rtc_base/checks.h"
#include "rtc_base/numerics/safe_conversions.h"
namespace webrtc {
size_t AudioEncoderPcm16B::EncodeCall(const int16_t* audio,
size_t input_len,
uint8_t* encoded) {
return WebRtcPcm16b_Encode(audio, input_len, encoded);
}
size_t AudioEncoderPcm16B::BytesPerSample() const {
return 2;
}
AudioEncoder::CodecType AudioEncoderPcm16B::GetCodecType() const {
return CodecType::kOther;
}
namespace {
AudioEncoderPcm16B::Config CreateConfig(const CodecInst& codec_inst) {
AudioEncoderPcm16B::Config config;
config.num_channels = codec_inst.channels;
config.sample_rate_hz = codec_inst.plfreq;
config.frame_size_ms = rtc::CheckedDivExact(
codec_inst.pacsize, rtc::CheckedDivExact(config.sample_rate_hz, 1000));
config.payload_type = codec_inst.pltype;
return config;
}
} // namespace
bool AudioEncoderPcm16B::Config::IsOk() const {
if ((sample_rate_hz != 8000) && (sample_rate_hz != 16000) &&
(sample_rate_hz != 32000) && (sample_rate_hz != 48000))
return false;
return AudioEncoderPcm::Config::IsOk();
}
AudioEncoderPcm16B::AudioEncoderPcm16B(const CodecInst& codec_inst)
: AudioEncoderPcm16B(CreateConfig(codec_inst)) {}
} // namespace webrtc
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