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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.h63
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
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+++ 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_