diff options
Diffstat (limited to 'webrtc/modules/audio_coding/codecs/g711/audio_decoder_pcm.h')
-rw-r--r-- | webrtc/modules/audio_coding/codecs/g711/audio_decoder_pcm.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/webrtc/modules/audio_coding/codecs/g711/audio_decoder_pcm.h b/webrtc/modules/audio_coding/codecs/g711/audio_decoder_pcm.h new file mode 100644 index 0000000000..9dc3a6fd7a --- /dev/null +++ b/webrtc/modules/audio_coding/codecs/g711/audio_decoder_pcm.h @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2015 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_CODECS_G711_AUDIO_DECODER_PCM_H_ +#define WEBRTC_MODULES_AUDIO_CODING_CODECS_G711_AUDIO_DECODER_PCM_H_ + +#include "webrtc/base/checks.h" +#include "webrtc/modules/audio_coding/codecs/audio_decoder.h" + +namespace webrtc { + +class AudioDecoderPcmU final : public AudioDecoder { + public: + explicit AudioDecoderPcmU(size_t num_channels) : num_channels_(num_channels) { + RTC_DCHECK_GE(num_channels, 1u); + } + void Reset() override; + int PacketDuration(const uint8_t* encoded, size_t encoded_len) const override; + size_t Channels() const override; + + protected: + int DecodeInternal(const uint8_t* encoded, + size_t encoded_len, + int sample_rate_hz, + int16_t* decoded, + SpeechType* speech_type) override; + + private: + const size_t num_channels_; + RTC_DISALLOW_COPY_AND_ASSIGN(AudioDecoderPcmU); +}; + +class AudioDecoderPcmA final : public AudioDecoder { + public: + explicit AudioDecoderPcmA(size_t num_channels) : num_channels_(num_channels) { + RTC_DCHECK_GE(num_channels, 1u); + } + void Reset() override; + int PacketDuration(const uint8_t* encoded, size_t encoded_len) const override; + size_t Channels() const override; + + protected: + int DecodeInternal(const uint8_t* encoded, + size_t encoded_len, + int sample_rate_hz, + int16_t* decoded, + SpeechType* speech_type) override; + + private: + const size_t num_channels_; + RTC_DISALLOW_COPY_AND_ASSIGN(AudioDecoderPcmA); +}; + +} // namespace webrtc + +#endif // WEBRTC_MODULES_AUDIO_CODING_CODECS_G711_AUDIO_DECODER_PCM_H_ |