jamosdev
/
rhubarb-lip-sync
mirror of https://github.com/DanielSWolf/rhubarb-lip-sync.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
rhubarb-lip-sync/rhubarb/lib/webrtc-8d2248ff/webrtc/video/payload_router.cc

201 lines
7.4 KiB
C++
Raw Blame History

/*
* Copyright (c) 2015 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/video/payload_router.h"
#include "webrtc/base/checks.h"
#include "webrtc/modules/rtp_rtcp/include/rtp_rtcp.h"
#include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h"
#include "webrtc/modules/video_coding/include/video_codec_interface.h"
namespace webrtc {
namespace {
// Map information from info into rtp.
void CopyCodecSpecific(const CodecSpecificInfo* info, RTPVideoHeader* rtp) {
RTC_DCHECK(info);
switch (info->codecType) {
case kVideoCodecVP8: {
rtp->codec = kRtpVideoVp8;
rtp->codecHeader.VP8.InitRTPVideoHeaderVP8();
rtp->codecHeader.VP8.pictureId = info->codecSpecific.VP8.pictureId;
rtp->codecHeader.VP8.nonReference = info->codecSpecific.VP8.nonReference;
rtp->codecHeader.VP8.temporalIdx = info->codecSpecific.VP8.temporalIdx;
rtp->codecHeader.VP8.layerSync = info->codecSpecific.VP8.layerSync;
rtp->codecHeader.VP8.tl0PicIdx = info->codecSpecific.VP8.tl0PicIdx;
rtp->codecHeader.VP8.keyIdx = info->codecSpecific.VP8.keyIdx;
rtp->simulcastIdx = info->codecSpecific.VP8.simulcastIdx;
return;
}
case kVideoCodecVP9: {
rtp->codec = kRtpVideoVp9;
rtp->codecHeader.VP9.InitRTPVideoHeaderVP9();
rtp->codecHeader.VP9.inter_pic_predicted =
info->codecSpecific.VP9.inter_pic_predicted;
rtp->codecHeader.VP9.flexible_mode =
info->codecSpecific.VP9.flexible_mode;
rtp->codecHeader.VP9.ss_data_available =
info->codecSpecific.VP9.ss_data_available;
rtp->codecHeader.VP9.picture_id = info->codecSpecific.VP9.picture_id;
rtp->codecHeader.VP9.tl0_pic_idx = info->codecSpecific.VP9.tl0_pic_idx;
rtp->codecHeader.VP9.temporal_idx = info->codecSpecific.VP9.temporal_idx;
rtp->codecHeader.VP9.spatial_idx = info->codecSpecific.VP9.spatial_idx;
rtp->codecHeader.VP9.temporal_up_switch =
info->codecSpecific.VP9.temporal_up_switch;
rtp->codecHeader.VP9.inter_layer_predicted =
info->codecSpecific.VP9.inter_layer_predicted;
rtp->codecHeader.VP9.gof_idx = info->codecSpecific.VP9.gof_idx;
rtp->codecHeader.VP9.num_spatial_layers =
info->codecSpecific.VP9.num_spatial_layers;
if (info->codecSpecific.VP9.ss_data_available) {
rtp->codecHeader.VP9.spatial_layer_resolution_present =
info->codecSpecific.VP9.spatial_layer_resolution_present;
if (info->codecSpecific.VP9.spatial_layer_resolution_present) {
for (size_t i = 0; i < info->codecSpecific.VP9.num_spatial_layers;
++i) {
rtp->codecHeader.VP9.width[i] = info->codecSpecific.VP9.width[i];
rtp->codecHeader.VP9.height[i] = info->codecSpecific.VP9.height[i];
}
}
rtp->codecHeader.VP9.gof.CopyGofInfoVP9(info->codecSpecific.VP9.gof);
}
rtp->codecHeader.VP9.num_ref_pics = info->codecSpecific.VP9.num_ref_pics;
for (int i = 0; i < info->codecSpecific.VP9.num_ref_pics; ++i)
rtp->codecHeader.VP9.pid_diff[i] = info->codecSpecific.VP9.p_diff[i];
return;
}
case kVideoCodecH264:
rtp->codec = kRtpVideoH264;
return;
case kVideoCodecGeneric:
rtp->codec = kRtpVideoGeneric;
rtp->simulcastIdx = info->codecSpecific.generic.simulcast_idx;
return;
default:
return;
}
}
} // namespace
PayloadRouter::PayloadRouter(const std::vector<RtpRtcp*>& rtp_modules,
int payload_type)
: active_(false),
num_sending_modules_(1),
rtp_modules_(rtp_modules),
payload_type_(payload_type) {
UpdateModuleSendingState();
}
PayloadRouter::~PayloadRouter() {}
size_t PayloadRouter::DefaultMaxPayloadLength() {
const size_t kIpUdpSrtpLength = 44;
return IP_PACKET_SIZE - kIpUdpSrtpLength;
}
void PayloadRouter::set_active(bool active) {
rtc::CritScope lock(&crit_);
if (active_ == active)
return;
active_ = active;
UpdateModuleSendingState();
}
bool PayloadRouter::active() {
rtc::CritScope lock(&crit_);
return active_ && !rtp_modules_.empty();
}
void PayloadRouter::SetSendStreams(const std::vector<VideoStream>& streams) {
RTC_DCHECK_LE(streams.size(), rtp_modules_.size());
rtc::CritScope lock(&crit_);
num_sending_modules_ = streams.size();
streams_ = streams;
// TODO(perkj): Should SetSendStreams also call SetTargetSendBitrate?
UpdateModuleSendingState();
}
void PayloadRouter::UpdateModuleSendingState() {
for (size_t i = 0; i < num_sending_modules_; ++i) {
rtp_modules_[i]->SetSendingStatus(active_);
rtp_modules_[i]->SetSendingMediaStatus(active_);
}
// Disable inactive modules.
for (size_t i = num_sending_modules_; i < rtp_modules_.size(); ++i) {
rtp_modules_[i]->SetSendingStatus(false);
rtp_modules_[i]->SetSendingMediaStatus(false);
}
}
int32_t PayloadRouter::Encoded(const EncodedImage& encoded_image,
const CodecSpecificInfo* codec_specific_info,
const RTPFragmentationHeader* fragmentation) {
rtc::CritScope lock(&crit_);
RTC_DCHECK(!rtp_modules_.empty());
if (!active_ || num_sending_modules_ == 0)
return -1;
int stream_idx = 0;
RTPVideoHeader rtp_video_header;
memset(&rtp_video_header, 0, sizeof(RTPVideoHeader));
if (codec_specific_info)
CopyCodecSpecific(codec_specific_info, &rtp_video_header);
rtp_video_header.rotation = encoded_image.rotation_;
rtp_video_header.playout_delay = encoded_image.playout_delay_;
RTC_DCHECK_LT(rtp_video_header.simulcastIdx, rtp_modules_.size());
// The simulcast index might actually be larger than the number of modules
// in case the encoder was processing a frame during a codec reconfig.
if (rtp_video_header.simulcastIdx >= num_sending_modules_)
return -1;
stream_idx = rtp_video_header.simulcastIdx;
return rtp_modules_[stream_idx]->SendOutgoingData(
encoded_image._frameType, payload_type_, encoded_image._timeStamp,
encoded_image.capture_time_ms_, encoded_image._buffer,
encoded_image._length, fragmentation, &rtp_video_header);
}
void PayloadRouter::SetTargetSendBitrate(uint32_t bitrate_bps) {
rtc::CritScope lock(&crit_);
RTC_DCHECK_LE(streams_.size(), rtp_modules_.size());
// TODO(sprang): Rebase https://codereview.webrtc.org/1913073002/ on top of
// this.
int bitrate_remainder = bitrate_bps;
for (size_t i = 0; i < streams_.size() && bitrate_remainder > 0; ++i) {
int stream_bitrate = 0;
if (streams_[i].max_bitrate_bps > bitrate_remainder) {
stream_bitrate = bitrate_remainder;
} else {
stream_bitrate = streams_[i].max_bitrate_bps;
}
bitrate_remainder -= stream_bitrate;
rtp_modules_[i]->SetTargetSendBitrate(stream_bitrate);
}
}
size_t PayloadRouter::MaxPayloadLength() const {
size_t min_payload_length = DefaultMaxPayloadLength();
rtc::CritScope lock(&crit_);
for (size_t i = 0; i < num_sending_modules_; ++i) {
size_t module_payload_length = rtp_modules_[i]->MaxDataPayloadLength();
if (module_payload_length < min_payload_length)
min_payload_length = module_payload_length;
}
return min_payload_length;
}
} // namespace webrtc
Reference in New Issue View Git Blame Copy Permalink