7959e16cc2
nack{.cc, .h, _unittest.cc} are basically copies from main/source/ folder, with cpplint warning cleaned up.
BUG=
R=andrew@webrtc.org
Review URL: https://webrtc-codereview.appspot.com/2190009
git-svn-id: http://webrtc.googlecode.com/svn/trunk@4736 4adac7df-926f-26a2-2b94-8c16560cd09d
102 lines
3.1 KiB
C++
102 lines
3.1 KiB
C++
/*
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* Copyright (c) 2012 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/modules/audio_coding/main/interface/audio_coding_module.h"
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#include "webrtc/common_types.h"
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#include "webrtc/modules/audio_coding/main/source/acm_codec_database.h"
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#include "webrtc/modules/audio_coding/main/source/audio_coding_module_impl.h"
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#include "webrtc/system_wrappers/interface/trace.h"
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namespace webrtc {
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// Create module
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AudioCodingModule* AudioCodingModule::Create(int id) {
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return new AudioCodingModuleImpl(id);
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}
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// Destroy module
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void AudioCodingModule::Destroy(AudioCodingModule* module) {
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delete static_cast<AudioCodingModuleImpl*>(module);
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}
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// Get number of supported codecs
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int AudioCodingModule::NumberOfCodecs() {
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return ACMCodecDB::kNumCodecs;
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}
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// Get supported codec parameters with id
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int AudioCodingModule::Codec(int list_id, CodecInst* codec) {
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// Get the codec settings for the codec with the given list ID
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return ACMCodecDB::Codec(list_id, codec);
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}
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// Get supported codec parameters with name, frequency and number of channels.
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int AudioCodingModule::Codec(const char* payload_name,
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CodecInst* codec,
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int sampling_freq_hz,
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int channels) {
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int codec_id;
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// Get the id of the codec from the database.
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codec_id = ACMCodecDB::CodecId(payload_name, sampling_freq_hz, channels);
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if (codec_id < 0) {
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// We couldn't find a matching codec, set the parameters to unacceptable
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// values and return.
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codec->plname[0] = '\0';
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codec->pltype = -1;
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codec->pacsize = 0;
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codec->rate = 0;
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codec->plfreq = 0;
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return -1;
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}
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// Get default codec settings.
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ACMCodecDB::Codec(codec_id, codec);
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// Keep the number of channels from the function call. For most codecs it
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// will be the same value as in default codec settings, but not for all.
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codec->channels = channels;
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return 0;
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}
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// Get supported codec Index with name, frequency and number of channels.
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int AudioCodingModule::Codec(const char* payload_name,
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int sampling_freq_hz,
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int channels) {
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return ACMCodecDB::CodecId(payload_name, sampling_freq_hz, channels);
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}
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// Checks the validity of the parameters of the given codec
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bool AudioCodingModule::IsCodecValid(const CodecInst& codec) {
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int mirror_id;
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int codec_number = ACMCodecDB::CodecNumber(codec, &mirror_id);
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if (codec_number < 0) {
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WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceAudioCoding, -1,
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"Invalid codec setting");
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return false;
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} else {
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return true;
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}
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}
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AudioCodingModule* AudioCodingModuleFactory::Create(const int32_t id) const {
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return NULL;
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}
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AudioCodingModule* NewAudioCodingModuleFactory::Create(const int32_t id) const {
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return new AudioCodingModuleImpl(id);
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}
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} // namespace webrtc
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