diff options
Diffstat (limited to 'webrtc/modules/audio_coding/acm2/audio_coding_module.cc')
-rw-r--r-- | webrtc/modules/audio_coding/acm2/audio_coding_module.cc | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/webrtc/modules/audio_coding/acm2/audio_coding_module.cc b/webrtc/modules/audio_coding/acm2/audio_coding_module.cc new file mode 100644 index 0000000000..c4dd349cc4 --- /dev/null +++ b/webrtc/modules/audio_coding/acm2/audio_coding_module.cc @@ -0,0 +1,98 @@ +/* + * Copyright (c) 2012 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/include/audio_coding_module.h" + +#include "webrtc/base/checks.h" +#include "webrtc/common_types.h" +#include "webrtc/modules/audio_coding/acm2/audio_coding_module_impl.h" +#include "webrtc/modules/audio_coding/acm2/rent_a_codec.h" +#include "webrtc/system_wrappers/include/clock.h" +#include "webrtc/system_wrappers/include/trace.h" + +namespace webrtc { + +// Create module +AudioCodingModule* AudioCodingModule::Create(int id) { + Config config; + config.id = id; + config.clock = Clock::GetRealTimeClock(); + return Create(config); +} + +AudioCodingModule* AudioCodingModule::Create(int id, Clock* clock) { + Config config; + config.id = id; + config.clock = clock; + return Create(config); +} + +AudioCodingModule* AudioCodingModule::Create(const Config& config) { + return new acm2::AudioCodingModuleImpl(config); +} + +int AudioCodingModule::NumberOfCodecs() { + return static_cast<int>(acm2::RentACodec::NumberOfCodecs()); +} + +int AudioCodingModule::Codec(int list_id, CodecInst* codec) { + auto codec_id = acm2::RentACodec::CodecIdFromIndex(list_id); + if (!codec_id) + return -1; + auto ci = acm2::RentACodec::CodecInstById(*codec_id); + if (!ci) + return -1; + *codec = *ci; + return 0; +} + +int AudioCodingModule::Codec(const char* payload_name, + CodecInst* codec, + int sampling_freq_hz, + size_t channels) { + rtc::Optional<CodecInst> ci = acm2::RentACodec::CodecInstByParams( + payload_name, sampling_freq_hz, channels); + if (ci) { + *codec = *ci; + return 0; + } else { + // We couldn't find a matching codec, so set the parameters to unacceptable + // values and return. + codec->plname[0] = '\0'; + codec->pltype = -1; + codec->pacsize = 0; + codec->rate = 0; + codec->plfreq = 0; + return -1; + } +} + +int AudioCodingModule::Codec(const char* payload_name, + int sampling_freq_hz, + size_t channels) { + rtc::Optional<acm2::RentACodec::CodecId> ci = + acm2::RentACodec::CodecIdByParams(payload_name, sampling_freq_hz, + channels); + if (!ci) + return -1; + rtc::Optional<int> i = acm2::RentACodec::CodecIndexFromId(*ci); + return i ? *i : -1; +} + +// Checks the validity of the parameters of the given codec +bool AudioCodingModule::IsCodecValid(const CodecInst& codec) { + bool valid = acm2::RentACodec::IsCodecValid(codec); + if (!valid) + WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceAudioCoding, -1, + "Invalid codec setting"); + return valid; +} + +} // namespace webrtc |