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Diffstat (limited to '')
-rw-r--r-- | third_party/libwebrtc/api/audio_codecs/L16/audio_decoder_L16.cc | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/third_party/libwebrtc/api/audio_codecs/L16/audio_decoder_L16.cc b/third_party/libwebrtc/api/audio_codecs/L16/audio_decoder_L16.cc new file mode 100644 index 0000000000..a03abe26f7 --- /dev/null +++ b/third_party/libwebrtc/api/audio_codecs/L16/audio_decoder_L16.cc @@ -0,0 +1,49 @@ +/* + * 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/L16/audio_decoder_L16.h" + +#include <memory> + +#include "absl/strings/match.h" +#include "modules/audio_coding/codecs/pcm16b/audio_decoder_pcm16b.h" +#include "modules/audio_coding/codecs/pcm16b/pcm16b_common.h" +#include "rtc_base/numerics/safe_conversions.h" + +namespace webrtc { + +absl::optional<AudioDecoderL16::Config> AudioDecoderL16::SdpToConfig( + const SdpAudioFormat& format) { + Config config; + config.sample_rate_hz = format.clockrate_hz; + config.num_channels = rtc::checked_cast<int>(format.num_channels); + if (absl::EqualsIgnoreCase(format.name, "L16") && config.IsOk()) { + return config; + } + return absl::nullopt; +} + +void AudioDecoderL16::AppendSupportedDecoders( + std::vector<AudioCodecSpec>* specs) { + Pcm16BAppendSupportedCodecSpecs(specs); +} + +std::unique_ptr<AudioDecoder> AudioDecoderL16::MakeAudioDecoder( + const Config& config, + absl::optional<AudioCodecPairId> /*codec_pair_id*/, + const FieldTrialsView* field_trials) { + if (!config.IsOk()) { + return nullptr; + } + return std::make_unique<AudioDecoderPcm16B>(config.sample_rate_hz, + config.num_channels); +} + +} // namespace webrtc |