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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}
62 lines
2.1 KiB
C++
62 lines
2.1 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/opus/audio_decoder_opus.h"
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#include <memory>
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#include <utility>
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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/opus/audio_decoder_opus.h"
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#include "webrtc/rtc_base/ptr_util.h"
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namespace webrtc {
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rtc::Optional<AudioDecoderOpus::Config> AudioDecoderOpus::SdpToConfig(
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const SdpAudioFormat& format) {
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const rtc::Optional<int> num_channels = [&] {
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auto stereo = format.parameters.find("stereo");
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if (stereo != format.parameters.end()) {
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if (stereo->second == "0") {
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return rtc::Optional<int>(1);
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} else if (stereo->second == "1") {
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return rtc::Optional<int>(2);
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} else {
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return rtc::Optional<int>(); // Bad stereo parameter.
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}
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}
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return rtc::Optional<int>(1); // Default to mono.
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}();
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if (STR_CASE_CMP(format.name.c_str(), "opus") == 0 &&
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format.clockrate_hz == 48000 && format.num_channels == 2 &&
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num_channels) {
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return rtc::Optional<Config>(Config{*num_channels});
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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 AudioDecoderOpus::AppendSupportedDecoders(
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std::vector<AudioCodecSpec>* specs) {
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AudioCodecInfo opus_info{48000, 1, 64000, 6000, 510000};
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opus_info.allow_comfort_noise = false;
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opus_info.supports_network_adaption = true;
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SdpAudioFormat opus_format(
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{"opus", 48000, 2, {{"minptime", "10"}, {"useinbandfec", "1"}}});
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specs->push_back({std::move(opus_format), std::move(opus_info)});
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}
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std::unique_ptr<AudioDecoder> AudioDecoderOpus::MakeAudioDecoder(
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Config config) {
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return rtc::MakeUnique<AudioDecoderOpusImpl>(config.num_channels);
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}
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} // namespace webrtc
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