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110 lines
4.1 KiB
110 lines
4.1 KiB
/*
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* Copyright 2016 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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#import "RTCRtpCodecParameters+Private.h"
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#import "RTCMediaStreamTrack.h"
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#import "helpers/NSString+StdString.h"
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#include "media/base/media_constants.h"
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#include "rtc_base/checks.h"
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const NSString * const kRTCRtxCodecName = @(cricket::kRtxCodecName);
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const NSString * const kRTCRedCodecName = @(cricket::kRedCodecName);
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const NSString * const kRTCUlpfecCodecName = @(cricket::kUlpfecCodecName);
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const NSString * const kRTCFlexfecCodecName = @(cricket::kFlexfecCodecName);
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const NSString * const kRTCOpusCodecName = @(cricket::kOpusCodecName);
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const NSString * const kRTCIsacCodecName = @(cricket::kIsacCodecName);
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const NSString * const kRTCL16CodecName = @(cricket::kL16CodecName);
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const NSString * const kRTCG722CodecName = @(cricket::kG722CodecName);
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const NSString * const kRTCIlbcCodecName = @(cricket::kIlbcCodecName);
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const NSString * const kRTCPcmuCodecName = @(cricket::kPcmuCodecName);
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const NSString * const kRTCPcmaCodecName = @(cricket::kPcmaCodecName);
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const NSString * const kRTCDtmfCodecName = @(cricket::kDtmfCodecName);
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const NSString * const kRTCComfortNoiseCodecName =
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@(cricket::kComfortNoiseCodecName);
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const NSString * const kRTCVp8CodecName = @(cricket::kVp8CodecName);
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const NSString * const kRTCVp9CodecName = @(cricket::kVp9CodecName);
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const NSString * const kRTCH264CodecName = @(cricket::kH264CodecName);
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@implementation RTC_OBJC_TYPE (RTCRtpCodecParameters)
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@synthesize payloadType = _payloadType;
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@synthesize name = _name;
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@synthesize kind = _kind;
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@synthesize clockRate = _clockRate;
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@synthesize numChannels = _numChannels;
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@synthesize parameters = _parameters;
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- (instancetype)init {
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return [super init];
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}
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- (instancetype)initWithNativeParameters:
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(const webrtc::RtpCodecParameters &)nativeParameters {
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if (self = [self init]) {
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_payloadType = nativeParameters.payload_type;
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_name = [NSString stringForStdString:nativeParameters.name];
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switch (nativeParameters.kind) {
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case cricket::MEDIA_TYPE_AUDIO:
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_kind = kRTCMediaStreamTrackKindAudio;
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break;
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case cricket::MEDIA_TYPE_VIDEO:
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_kind = kRTCMediaStreamTrackKindVideo;
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break;
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case cricket::MEDIA_TYPE_DATA:
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RTC_NOTREACHED();
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break;
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}
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if (nativeParameters.clock_rate) {
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_clockRate = [NSNumber numberWithInt:*nativeParameters.clock_rate];
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}
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if (nativeParameters.num_channels) {
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_numChannels = [NSNumber numberWithInt:*nativeParameters.num_channels];
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}
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NSMutableDictionary *parameters = [NSMutableDictionary dictionary];
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for (const auto ¶meter : nativeParameters.parameters) {
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[parameters setObject:[NSString stringForStdString:parameter.second]
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forKey:[NSString stringForStdString:parameter.first]];
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}
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_parameters = parameters;
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}
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return self;
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}
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- (webrtc::RtpCodecParameters)nativeParameters {
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webrtc::RtpCodecParameters parameters;
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parameters.payload_type = _payloadType;
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parameters.name = [NSString stdStringForString:_name];
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// NSString pointer comparison is safe here since "kind" is readonly and only
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// populated above.
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if (_kind == kRTCMediaStreamTrackKindAudio) {
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parameters.kind = cricket::MEDIA_TYPE_AUDIO;
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} else if (_kind == kRTCMediaStreamTrackKindVideo) {
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parameters.kind = cricket::MEDIA_TYPE_VIDEO;
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} else {
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RTC_NOTREACHED();
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}
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if (_clockRate != nil) {
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parameters.clock_rate = absl::optional<int>(_clockRate.intValue);
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}
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if (_numChannels != nil) {
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parameters.num_channels = absl::optional<int>(_numChannels.intValue);
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}
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for (NSString *paramKey in _parameters.allKeys) {
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std::string key = [NSString stdStringForString:paramKey];
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std::string value = [NSString stdStringForString:_parameters[paramKey]];
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parameters.parameters[key] = value;
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}
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return parameters;
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}
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@end
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