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Unified Diff: webrtc/modules/audio_coding/codecs/g711/audio_decoder_pcm.cc

Issue 1348613003: Move AudioDecoderPcm* next to AudioEncoderPcm* (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@dmove-pcm16
Patch Set: rebase Created 5 years, 3 months ago
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Index: webrtc/modules/audio_coding/codecs/g711/audio_decoder_pcm.cc
diff --git a/webrtc/modules/audio_coding/codecs/g711/audio_decoder_pcm.cc b/webrtc/modules/audio_coding/codecs/g711/audio_decoder_pcm.cc
new file mode 100644
index 0000000000000000000000000000000000000000..b273b18e1835055ed7b01af333636c95a8425c3b
--- /dev/null
+++ b/webrtc/modules/audio_coding/codecs/g711/audio_decoder_pcm.cc
@@ -0,0 +1,73 @@
+/*
+ * 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.
+ */
+
+#include "webrtc/modules/audio_coding/codecs/g711/include/audio_decoder_pcm.h"
+
+#include "webrtc/modules/audio_coding/codecs/g711/include/g711_interface.h"
+
+namespace webrtc {
+
+void AudioDecoderPcmU::Reset() {}
+
+size_t AudioDecoderPcmU::Channels() const {
+ return 1;
+}
+
+int AudioDecoderPcmU::DecodeInternal(const uint8_t* encoded,
+ size_t encoded_len,
+ int sample_rate_hz,
+ int16_t* decoded,
+ SpeechType* speech_type) {
+ RTC_DCHECK_EQ(sample_rate_hz, 8000);
+ int16_t temp_type = 1; // Default is speech.
+ size_t ret = WebRtcG711_DecodeU(encoded, encoded_len, decoded, &temp_type);
+ *speech_type = ConvertSpeechType(temp_type);
+ return static_cast<int>(ret);
+}
+
+int AudioDecoderPcmU::PacketDuration(const uint8_t* encoded,
+ size_t encoded_len) const {
+ // One encoded byte per sample per channel.
+ return static_cast<int>(encoded_len / Channels());
+}
+
+size_t AudioDecoderPcmUMultiCh::Channels() const {
+ return channels_;
+}
+
+void AudioDecoderPcmA::Reset() {}
+
+size_t AudioDecoderPcmA::Channels() const {
+ return 1;
+}
+
+int AudioDecoderPcmA::DecodeInternal(const uint8_t* encoded,
+ size_t encoded_len,
+ int sample_rate_hz,
+ int16_t* decoded,
+ SpeechType* speech_type) {
+ RTC_DCHECK_EQ(sample_rate_hz, 8000);
+ int16_t temp_type = 1; // Default is speech.
+ size_t ret = WebRtcG711_DecodeA(encoded, encoded_len, decoded, &temp_type);
+ *speech_type = ConvertSpeechType(temp_type);
+ return static_cast<int>(ret);
+}
+
+int AudioDecoderPcmA::PacketDuration(const uint8_t* encoded,
+ size_t encoded_len) const {
+ // One encoded byte per sample per channel.
+ return static_cast<int>(encoded_len / Channels());
+}
+
+size_t AudioDecoderPcmAMultiCh::Channels() const {
+ return channels_;
+}
+
+} // namespace webrtc
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