mirror of
https://github.com/mollyim/webrtc.git
synced 2025-05-17 07:37:51 +01:00
0bc58cf876
This is a no-op change because rtc::Optional is an alias to absl::optional
This CL generated by running script with parameter 'api'
Then undo changes to optional target itself and optional_unittests
find $@ -type f \( -name \*.h -o -name \*.cc \) \
-exec sed -i 's|rtc::Optional|absl::optional|g' {} \+ \
-exec sed -i 's|rtc::nullopt|absl::nullopt|g' {} \+ \
-exec sed -i 's|#include "api/optional.h"|#include "absl/types/optional.h"|' {} \+
find $@ -type f -name BUILD.gn \
-exec sed -r -i 's|"[\./api]*:optional"|"//third_party/abseil-cpp/absl/types:optional"|' {} \+;
git cl format
Bug: webrtc:9078
Change-Id: I44093da213369d6a502e33792c694f620f53b779
Reviewed-on: https://webrtc-review.googlesource.com/84621
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23707}
63 lines
2 KiB
C++
63 lines
2 KiB
C++
/*
|
|
* Copyright (c) 2017 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 "api/audio_codecs/opus/audio_decoder_opus.h"
|
|
|
|
#include <memory>
|
|
#include <utility>
|
|
#include <vector>
|
|
|
|
#include "common_types.h" // NOLINT(build/include)
|
|
#include "modules/audio_coding/codecs/opus/audio_decoder_opus.h"
|
|
#include "rtc_base/ptr_util.h"
|
|
|
|
namespace webrtc {
|
|
|
|
absl::optional<AudioDecoderOpus::Config> AudioDecoderOpus::SdpToConfig(
|
|
const SdpAudioFormat& format) {
|
|
const auto num_channels = [&]() -> absl::optional<int> {
|
|
auto stereo = format.parameters.find("stereo");
|
|
if (stereo != format.parameters.end()) {
|
|
if (stereo->second == "0") {
|
|
return 1;
|
|
} else if (stereo->second == "1") {
|
|
return 2;
|
|
} else {
|
|
return absl::nullopt; // Bad stereo parameter.
|
|
}
|
|
}
|
|
return 1; // Default to mono.
|
|
}();
|
|
if (STR_CASE_CMP(format.name.c_str(), "opus") == 0 &&
|
|
format.clockrate_hz == 48000 && format.num_channels == 2 &&
|
|
num_channels) {
|
|
return Config{*num_channels};
|
|
} else {
|
|
return absl::nullopt;
|
|
}
|
|
}
|
|
|
|
void AudioDecoderOpus::AppendSupportedDecoders(
|
|
std::vector<AudioCodecSpec>* specs) {
|
|
AudioCodecInfo opus_info{48000, 1, 64000, 6000, 510000};
|
|
opus_info.allow_comfort_noise = false;
|
|
opus_info.supports_network_adaption = true;
|
|
SdpAudioFormat opus_format(
|
|
{"opus", 48000, 2, {{"minptime", "10"}, {"useinbandfec", "1"}}});
|
|
specs->push_back({std::move(opus_format), std::move(opus_info)});
|
|
}
|
|
|
|
std::unique_ptr<AudioDecoder> AudioDecoderOpus::MakeAudioDecoder(
|
|
Config config,
|
|
absl::optional<AudioCodecPairId> /*codec_pair_id*/) {
|
|
return rtc::MakeUnique<AudioDecoderOpusImpl>(config.num_channels);
|
|
}
|
|
|
|
} // namespace webrtc
|