23eba22424
Configuring different number of temporal layers per simulcast layer is not supported. Bug: webrtc:9785 Change-Id: I5709b2235233420e22e68fb0ae512305ae87e36c Reviewed-on: https://webrtc-review.googlesource.com/c/102120 Commit-Queue: Åsa Persson <asapersson@webrtc.org> Reviewed-by: Seth Hampson <shampson@webrtc.org> Reviewed-by: Sami Kalliomäki <sakal@webrtc.org> Reviewed-by: Rasmus Brandt <brandtr@webrtc.org> Reviewed-by: Erik Språng <sprang@webrtc.org> Cr-Commit-Position: refs/heads/master@{#24942}
108 lines
4.1 KiB
C++
108 lines
4.1 KiB
C++
/*
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* Copyright (c) 2004 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 "media/base/mediaengine.h"
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#include "api/video/video_bitrate_allocation.h"
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#include "rtc_base/stringencode.h"
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namespace cricket {
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RtpCapabilities::RtpCapabilities() = default;
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RtpCapabilities::~RtpCapabilities() = default;
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webrtc::RtpParameters CreateRtpParametersWithOneEncoding() {
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webrtc::RtpParameters parameters;
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webrtc::RtpEncodingParameters encoding;
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parameters.encodings.push_back(encoding);
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return parameters;
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}
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webrtc::RtpParameters CreateRtpParametersWithEncodings(StreamParams sp) {
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std::vector<uint32_t> primary_ssrcs;
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sp.GetPrimarySsrcs(&primary_ssrcs);
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size_t encoding_count = primary_ssrcs.size();
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std::vector<webrtc::RtpEncodingParameters> encodings(encoding_count);
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for (size_t i = 0; i < encodings.size(); ++i) {
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encodings[i].ssrc = primary_ssrcs[i];
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}
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webrtc::RtpParameters parameters;
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parameters.encodings = encodings;
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parameters.rtcp.cname = sp.cname;
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return parameters;
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}
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webrtc::RTCError ValidateRtpParameters(
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const webrtc::RtpParameters& old_rtp_parameters,
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const webrtc::RtpParameters& rtp_parameters) {
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using webrtc::RTCErrorType;
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if (rtp_parameters.encodings.size() != old_rtp_parameters.encodings.size()) {
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LOG_AND_RETURN_ERROR(
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RTCErrorType::INVALID_MODIFICATION,
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"Attempted to set RtpParameters with different encoding count");
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}
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if (rtp_parameters.rtcp != old_rtp_parameters.rtcp) {
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LOG_AND_RETURN_ERROR(
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RTCErrorType::INVALID_MODIFICATION,
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"Attempted to set RtpParameters with modified RTCP parameters");
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}
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if (rtp_parameters.header_extensions !=
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old_rtp_parameters.header_extensions) {
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LOG_AND_RETURN_ERROR(
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RTCErrorType::INVALID_MODIFICATION,
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"Attempted to set RtpParameters with modified header extensions");
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}
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for (size_t i = 0; i < rtp_parameters.encodings.size(); ++i) {
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if (rtp_parameters.encodings[i].ssrc !=
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old_rtp_parameters.encodings[i].ssrc) {
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LOG_AND_RETURN_ERROR(RTCErrorType::INVALID_MODIFICATION,
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"Attempted to set RtpParameters with modified SSRC");
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}
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if (rtp_parameters.encodings[i].bitrate_priority <= 0) {
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LOG_AND_RETURN_ERROR(RTCErrorType::INVALID_RANGE,
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"Attempted to set RtpParameters bitrate_priority to "
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"an invalid number. bitrate_priority must be > 0.");
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}
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if (rtp_parameters.encodings[i].min_bitrate_bps &&
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rtp_parameters.encodings[i].max_bitrate_bps) {
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if (*rtp_parameters.encodings[i].max_bitrate_bps <
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*rtp_parameters.encodings[i].min_bitrate_bps) {
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LOG_AND_RETURN_ERROR(webrtc::RTCErrorType::INVALID_RANGE,
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"Attempted to set RtpParameters min bitrate "
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"larger than max bitrate.");
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}
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}
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if (rtp_parameters.encodings[i].num_temporal_layers) {
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if (*rtp_parameters.encodings[i].num_temporal_layers < 1 ||
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*rtp_parameters.encodings[i].num_temporal_layers >
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webrtc::kMaxTemporalStreams) {
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LOG_AND_RETURN_ERROR(RTCErrorType::INVALID_RANGE,
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"Attempted to set RtpParameters "
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"num_temporal_layers to an invalid number.");
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}
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}
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if (i > 0 && (rtp_parameters.encodings[i].num_temporal_layers !=
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rtp_parameters.encodings[i - 1].num_temporal_layers)) {
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LOG_AND_RETURN_ERROR(
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RTCErrorType::INVALID_MODIFICATION,
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"Attempted to set RtpParameters num_temporal_layers "
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"at encoding layer i: " +
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rtc::ToString(i) +
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" to a different value than other encoding layers.");
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}
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}
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return webrtc::RTCError::OK();
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}
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}; // namespace cricket
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