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bb547203bf
In order to eliminate the WebRTC Subtree mirror in Chromium, WebRTC is moving the content of the src/webrtc directory up to the src/ directory. NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true TBR=tommi@webrtc.org Bug: chromium:611808 Change-Id: Iac59c5b51b950f174119565bac87955a7994bc38 Reviewed-on: https://webrtc-review.googlesource.com/1560 Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Henrik Kjellander <kjellander@webrtc.org> Cr-Commit-Position: refs/heads/master@{#19845}
59 lines
1.9 KiB
C++
59 lines
1.9 KiB
C++
/*
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* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "webrtc/api/audio_codecs/g711/audio_decoder_g711.h"
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#include <memory>
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#include <vector>
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#include "webrtc/common_types.h"
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#include "webrtc/modules/audio_coding/codecs/g711/audio_decoder_pcm.h"
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#include "webrtc/rtc_base/ptr_util.h"
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#include "webrtc/rtc_base/safe_conversions.h"
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namespace webrtc {
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rtc::Optional<AudioDecoderG711::Config> AudioDecoderG711::SdpToConfig(
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const SdpAudioFormat& format) {
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const bool is_pcmu = STR_CASE_CMP(format.name.c_str(), "PCMU") == 0;
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const bool is_pcma = STR_CASE_CMP(format.name.c_str(), "PCMA") == 0;
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if (format.clockrate_hz == 8000 && format.num_channels >= 1 &&
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(is_pcmu || is_pcma)) {
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Config config;
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config.type = is_pcmu ? Config::Type::kPcmU : Config::Type::kPcmA;
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config.num_channels = rtc::dchecked_cast<int>(format.num_channels);
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RTC_DCHECK(config.IsOk());
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return rtc::Optional<Config>(config);
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} else {
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return rtc::Optional<Config>();
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}
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}
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void AudioDecoderG711::AppendSupportedDecoders(
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std::vector<AudioCodecSpec>* specs) {
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for (const char* type : {"PCMU", "PCMA"}) {
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specs->push_back({{type, 8000, 1}, {8000, 1, 64000}});
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}
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}
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std::unique_ptr<AudioDecoder> AudioDecoderG711::MakeAudioDecoder(
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const Config& config) {
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RTC_DCHECK(config.IsOk());
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switch (config.type) {
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case Config::Type::kPcmU:
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return rtc::MakeUnique<AudioDecoderPcmU>(config.num_channels);
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case Config::Type::kPcmA:
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return rtc::MakeUnique<AudioDecoderPcmA>(config.num_channels);
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default:
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return nullptr;
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}
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}
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} // namespace webrtc
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