Consolidate SetSendParameters into one setter.

Removes unnecessary creation/removal of intermediate VideoSendStreams
due to only being partially configured before creation.

BUG=webrtc:5296, webrtc:5410
R=deadbeef@webrtc.org, pthatcher@webrtc.org

Review URL: https://codereview.webrtc.org/1561073006 .

Cr-Commit-Position: refs/heads/master@{#11399}
This commit is contained in:
Peter Boström 2016-01-27 16:45:21 +01:00
parent ec2922f864
commit 3afc8c40be
3 changed files with 249 additions and 258 deletions

View File

@ -77,6 +77,32 @@ class EncoderFactoryAdapter : public webrtc::VideoEncoderFactory {
cricket::WebRtcVideoEncoderFactory* const factory_;
};
webrtc::Call::Config::BitrateConfig GetBitrateConfigForCodec(
const VideoCodec& codec) {
webrtc::Call::Config::BitrateConfig config;
int bitrate_kbps;
if (codec.GetParam(kCodecParamMinBitrate, &bitrate_kbps) &&
bitrate_kbps > 0) {
config.min_bitrate_bps = bitrate_kbps * 1000;
} else {
config.min_bitrate_bps = 0;
}
if (codec.GetParam(kCodecParamStartBitrate, &bitrate_kbps) &&
bitrate_kbps > 0) {
config.start_bitrate_bps = bitrate_kbps * 1000;
} else {
// Do not reconfigure start bitrate unless it's specified and positive.
config.start_bitrate_bps = -1;
}
if (codec.GetParam(kCodecParamMaxBitrate, &bitrate_kbps) &&
bitrate_kbps > 0) {
config.max_bitrate_bps = bitrate_kbps * 1000;
} else {
config.max_bitrate_bps = -1;
}
return config;
}
// An encoder factory that wraps Create requests for simulcastable codec types
// with a webrtc::SimulcastEncoderAdapter. Non simulcastable codec type
// requests are just passed through to the contained encoder factory.
@ -243,15 +269,15 @@ static bool ValidateStreamParams(const StreamParams& sp) {
return true;
}
inline const webrtc::RtpExtension* FindHeaderExtension(
inline bool ContainsHeaderExtension(
const std::vector<webrtc::RtpExtension>& extensions,
const std::string& name) {
for (const auto& kv : extensions) {
if (kv.name == name) {
return &kv;
return true;
}
}
return NULL;
return false;
}
// Merges two fec configs and logs an error if a conflict arises
@ -552,11 +578,6 @@ void WebRtcVideoEngine2::SetExternalEncoderFactory(
video_codecs_ = GetSupportedCodecs();
}
bool WebRtcVideoEngine2::EnableTimedRender() {
// TODO(pbos): Figure out whether this can be removed.
return true;
}
// Checks to see whether we comprehend and could receive a particular codec
bool WebRtcVideoEngine2::FindCodec(const VideoCodec& in) {
// TODO(pbos): Probe encoder factory to figure out that the codec is supported
@ -715,21 +736,136 @@ bool WebRtcVideoChannel2::ReceiveCodecsHaveChanged(
return false;
}
bool WebRtcVideoChannel2::GetChangedSendParameters(
const VideoSendParameters& params,
ChangedSendParameters* changed_params) const {
if (!ValidateCodecFormats(params.codecs) ||
!ValidateRtpExtensions(params.extensions)) {
return false;
}
// ==== SEND CODEC ====
const std::vector<VideoCodecSettings> supported_codecs =
FilterSupportedCodecs(MapCodecs(params.codecs));
if (supported_codecs.empty()) {
LOG(LS_ERROR) << "No video codecs supported.";
return false;
}
if (!send_codec_ || supported_codecs.front() != *send_codec_) {
// Send codec has changed.
changed_params->codec =
rtc::Optional<VideoCodecSettings>(supported_codecs.front());
}
// ==== RTP HEADER EXTENSIONS ====
std::vector<webrtc::RtpExtension> filtered_extensions = FilterRtpExtensions(
params.extensions, webrtc::RtpExtension::IsSupportedForVideo, true);
if (send_rtp_extensions_ != filtered_extensions) {
changed_params->rtp_header_extensions =
rtc::Optional<std::vector<webrtc::RtpExtension>>(filtered_extensions);
}
// ==== MAX BITRATE ====
if (params.max_bandwidth_bps != bitrate_config_.max_bitrate_bps &&
params.max_bandwidth_bps >= 0) {
// 0 uncaps max bitrate (-1).
changed_params->max_bandwidth_bps = rtc::Optional<int>(
params.max_bandwidth_bps == 0 ? -1 : params.max_bandwidth_bps);
}
// ==== OPTIONS ====
// TODO(pbos): Require VideoSendParameters to contain a full set of options
// and check if params.options != options_ instead of applying a delta.
VideoOptions new_options = options_;
new_options.SetAll(params.options);
if (!(new_options == options_)) {
changed_params->options = rtc::Optional<VideoOptions>(new_options);
}
if (params.rtcp.reduced_size != send_params_.rtcp.reduced_size) {
changed_params->rtcp_mode = rtc::Optional<webrtc::RtcpMode>(
params.rtcp.reduced_size ? webrtc::RtcpMode::kReducedSize
: webrtc::RtcpMode::kCompound);
}
return true;
}
bool WebRtcVideoChannel2::SetSendParameters(const VideoSendParameters& params) {
TRACE_EVENT0("webrtc", "WebRtcVideoChannel2::SetSendParameters");
LOG(LS_INFO) << "SetSendParameters: " << params.ToString();
// TODO(pbos): Refactor this to only recreate the send streams once
// instead of 4 times.
if (!SetSendCodecs(params.codecs) ||
!SetSendRtpHeaderExtensions(params.extensions) ||
!SetMaxSendBandwidth(params.max_bandwidth_bps) ||
!SetOptions(params.options)) {
ChangedSendParameters changed_params;
if (!GetChangedSendParameters(params, &changed_params)) {
return false;
}
if (send_params_.rtcp.reduced_size != params.rtcp.reduced_size) {
bool bitrate_config_changed = false;
if (changed_params.codec) {
const VideoCodecSettings& codec_settings = *changed_params.codec;
send_codec_ = rtc::Optional<VideoCodecSettings>(codec_settings);
LOG(LS_INFO) << "Using codec: " << codec_settings.codec.ToString();
// TODO(holmer): Changing the codec parameters shouldn't necessarily mean
// that we change the min/max of bandwidth estimation. Reevaluate this.
bitrate_config_ = GetBitrateConfigForCodec(codec_settings.codec);
bitrate_config_changed = true;
}
if (changed_params.rtp_header_extensions) {
send_rtp_extensions_ = *changed_params.rtp_header_extensions;
}
if (changed_params.max_bandwidth_bps) {
// TODO(pbos): Figure out whether b=AS means max bitrate for this
// WebRtcVideoChannel2 (in which case we're good), or per sender (SSRC), in
// which case this should not set a Call::BitrateConfig but rather
// reconfigure all senders.
int max_bitrate_bps = *changed_params.max_bandwidth_bps;
bitrate_config_.start_bitrate_bps = -1;
bitrate_config_.max_bitrate_bps = max_bitrate_bps;
if (max_bitrate_bps > 0 &&
bitrate_config_.min_bitrate_bps > max_bitrate_bps) {
bitrate_config_.min_bitrate_bps = max_bitrate_bps;
}
bitrate_config_changed = true;
}
if (bitrate_config_changed) {
call_->SetBitrateConfig(bitrate_config_);
}
if (changed_params.options) {
options_.SetAll(*changed_params.options);
{
rtc::CritScope lock(&capturer_crit_);
if (options_.cpu_overuse_detection) {
signal_cpu_adaptation_ = *options_.cpu_overuse_detection;
}
}
rtc::DiffServCodePoint dscp =
options_.dscp.value_or(false) ? rtc::DSCP_AF41 : rtc::DSCP_DEFAULT;
MediaChannel::SetDscp(dscp);
}
{
rtc::CritScope stream_lock(&stream_crit_);
for (auto& kv : send_streams_) {
kv.second->SetSendParameters(params);
kv.second->SetSendParameters(changed_params);
}
if (changed_params.codec) {
// Update receive feedback parameters from new codec.
LOG(LS_INFO)
<< "SetFeedbackOptions on all the receive streams because the send "
"codec has changed.";
for (auto& kv : receive_streams_) {
RTC_DCHECK(kv.second != nullptr);
kv.second->SetFeedbackParameters(HasNack(send_codec_->codec),
HasRemb(send_codec_->codec),
HasTransportCc(send_codec_->codec));
}
}
}
send_params_ = params;
@ -812,79 +948,6 @@ bool WebRtcVideoChannel2::SetRecvCodecs(const std::vector<VideoCodec>& codecs) {
return true;
}
bool WebRtcVideoChannel2::SetSendCodecs(const std::vector<VideoCodec>& codecs) {
TRACE_EVENT0("webrtc", "WebRtcVideoChannel2::SetSendCodecs");
LOG(LS_INFO) << "SetSendCodecs: " << CodecVectorToString(codecs);
if (!ValidateCodecFormats(codecs)) {
return false;
}
const std::vector<VideoCodecSettings> supported_codecs =
FilterSupportedCodecs(MapCodecs(codecs));
if (supported_codecs.empty()) {
LOG(LS_ERROR) << "No video codecs supported.";
return false;
}
LOG(LS_INFO) << "Using codec: " << supported_codecs.front().codec.ToString();
if (send_codec_ && supported_codecs.front() == *send_codec_) {
LOG(LS_INFO) << "Ignore call to SetSendCodecs because first supported "
"codec hasn't changed.";
// Using same codec, avoid reconfiguring.
return true;
}
send_codec_ = rtc::Optional<WebRtcVideoChannel2::VideoCodecSettings>(
supported_codecs.front());
rtc::CritScope stream_lock(&stream_crit_);
LOG(LS_INFO) << "Change the send codec because SetSendCodecs has a different "
"first supported codec.";
for (auto& kv : send_streams_) {
RTC_DCHECK(kv.second != nullptr);
kv.second->SetCodec(supported_codecs.front());
}
LOG(LS_INFO)
<< "SetFeedbackOptions on all the receive streams because the send "
"codec has changed.";
for (auto& kv : receive_streams_) {
RTC_DCHECK(kv.second != nullptr);
kv.second->SetFeedbackParameters(
HasNack(supported_codecs.front().codec),
HasRemb(supported_codecs.front().codec),
HasTransportCc(supported_codecs.front().codec));
}
// TODO(holmer): Changing the codec parameters shouldn't necessarily mean that
// we change the min/max of bandwidth estimation. Reevaluate this.
VideoCodec codec = supported_codecs.front().codec;
int bitrate_kbps;
if (codec.GetParam(kCodecParamMinBitrate, &bitrate_kbps) &&
bitrate_kbps > 0) {
bitrate_config_.min_bitrate_bps = bitrate_kbps * 1000;
} else {
bitrate_config_.min_bitrate_bps = 0;
}
if (codec.GetParam(kCodecParamStartBitrate, &bitrate_kbps) &&
bitrate_kbps > 0) {
bitrate_config_.start_bitrate_bps = bitrate_kbps * 1000;
} else {
// Do not reconfigure start bitrate unless it's specified and positive.
bitrate_config_.start_bitrate_bps = -1;
}
if (codec.GetParam(kCodecParamMaxBitrate, &bitrate_kbps) &&
bitrate_kbps > 0) {
bitrate_config_.max_bitrate_bps = bitrate_kbps * 1000;
} else {
bitrate_config_.max_bitrate_bps = -1;
}
call_->SetBitrateConfig(bitrate_config_);
return true;
}
bool WebRtcVideoChannel2::GetSendCodec(VideoCodec* codec) {
if (!send_codec_) {
LOG(LS_VERBOSE) << "GetSendCodec: No send codec set.";
@ -922,16 +985,22 @@ bool WebRtcVideoChannel2::SetSend(bool send) {
bool WebRtcVideoChannel2::SetVideoSend(uint32_t ssrc, bool enable,
const VideoOptions* options) {
TRACE_EVENT0("webrtc", "SetVideoSend");
LOG(LS_INFO) << "SetVideoSend (ssrc= " << ssrc << ", enable = " << enable
<< "options: " << (options ? options->ToString() : "nullptr")
<< ").";
// TODO(solenberg): The state change should be fully rolled back if any one of
// these calls fail.
if (!MuteStream(ssrc, !enable)) {
return false;
}
if (enable && options) {
return SetOptions(*options);
} else {
return true;
VideoSendParameters new_params = send_params_;
new_params.options.SetAll(*options);
SetSendParameters(send_params_);
}
return true;
}
bool WebRtcVideoChannel2::ValidateSendSsrcAvailability(
@ -1255,9 +1324,8 @@ bool WebRtcVideoChannel2::SetCapturer(uint32_t ssrc, VideoCapturer* capturer) {
}
if (capturer) {
capturer->SetApplyRotation(
!FindHeaderExtension(send_rtp_extensions_,
kRtpVideoRotationHeaderExtension));
capturer->SetApplyRotation(!ContainsHeaderExtension(
send_rtp_extensions_, kRtpVideoRotationHeaderExtension));
}
{
rtc::CritScope lock(&capturer_crit_);
@ -1394,91 +1462,11 @@ bool WebRtcVideoChannel2::SetRecvRtpHeaderExtensions(
return true;
}
bool WebRtcVideoChannel2::SetSendRtpHeaderExtensions(
const std::vector<RtpHeaderExtension>& extensions) {
TRACE_EVENT0("webrtc", "WebRtcVideoChannel2::SetSendRtpHeaderExtensions");
if (!ValidateRtpExtensions(extensions)) {
return false;
}
std::vector<webrtc::RtpExtension> filtered_extensions = FilterRtpExtensions(
extensions, webrtc::RtpExtension::IsSupportedForVideo, true);
if (send_rtp_extensions_ == filtered_extensions) {
LOG(LS_INFO) << "Ignoring call to SetRecvRtpHeaderExtensions because "
"header extensions haven't changed.";
return true;
}
send_rtp_extensions_.swap(filtered_extensions);
const webrtc::RtpExtension* cvo_extension = FindHeaderExtension(
send_rtp_extensions_, kRtpVideoRotationHeaderExtension);
rtc::CritScope stream_lock(&stream_crit_);
for (std::map<uint32_t, WebRtcVideoSendStream*>::iterator it =
send_streams_.begin();
it != send_streams_.end(); ++it) {
it->second->SetRtpExtensions(send_rtp_extensions_);
it->second->SetApplyRotation(!cvo_extension);
}
return true;
}
// Counter-intuitively this method doesn't only set global bitrate caps but also
// per-stream codec max bitrates. This is to permit SetMaxSendBitrate (b=AS) to
// raise bitrates above the 2000k default bitrate cap.
bool WebRtcVideoChannel2::SetMaxSendBandwidth(int max_bitrate_bps) {
// TODO(pbos): Figure out whether b=AS means max bitrate for this
// WebRtcVideoChannel2 (in which case we're good), or per sender (SSRC), in
// which case this should not set a Call::BitrateConfig but rather reconfigure
// all senders.
LOG(LS_INFO) << "SetMaxSendBandwidth: " << max_bitrate_bps << "bps.";
if (max_bitrate_bps == bitrate_config_.max_bitrate_bps)
return true;
if (max_bitrate_bps < 0) {
// Option not set.
return true;
}
if (max_bitrate_bps == 0) {
// Unsetting max bitrate.
max_bitrate_bps = -1;
}
bitrate_config_.start_bitrate_bps = -1;
bitrate_config_.max_bitrate_bps = max_bitrate_bps;
if (max_bitrate_bps > 0 &&
bitrate_config_.min_bitrate_bps > max_bitrate_bps) {
bitrate_config_.min_bitrate_bps = max_bitrate_bps;
}
call_->SetBitrateConfig(bitrate_config_);
rtc::CritScope stream_lock(&stream_crit_);
for (auto& kv : send_streams_)
kv.second->SetMaxBitrateBps(max_bitrate_bps);
return true;
}
bool WebRtcVideoChannel2::SetOptions(const VideoOptions& options) {
TRACE_EVENT0("webrtc", "WebRtcVideoChannel2::SetOptions");
LOG(LS_INFO) << "SetOptions: " << options.ToString();
VideoOptions old_options = options_;
options_.SetAll(options);
if (options_ == old_options) {
// No new options to set.
return true;
}
{
rtc::CritScope lock(&capturer_crit_);
if (options_.cpu_overuse_detection)
signal_cpu_adaptation_ = *options_.cpu_overuse_detection;
}
rtc::DiffServCodePoint dscp =
options_.dscp.value_or(false) ? rtc::DSCP_AF41 : rtc::DSCP_DEFAULT;
MediaChannel::SetDscp(dscp);
rtc::CritScope stream_lock(&stream_crit_);
for (std::map<uint32_t, WebRtcVideoSendStream*>::iterator it =
send_streams_.begin();
it != send_streams_.end(); ++it) {
it->second->SetOptions(options_);
}
return true;
// TODO(pbos): Remove SetOptions in favor of SetSendParameters.
void WebRtcVideoChannel2::SetOptions(const VideoOptions& options) {
VideoSendParameters new_params = send_params_;
new_params.options.SetAll(options);
SetSendParameters(send_params_);
}
void WebRtcVideoChannel2::SetInterface(NetworkInterface* iface) {
@ -1601,6 +1589,7 @@ WebRtcVideoChannel2::WebRtcVideoSendStream::WebRtcVideoSendStream(
external_encoder_factory_(external_encoder_factory),
stream_(NULL),
parameters_(config, options, max_bitrate_bps, codec_settings),
pending_encoder_reconfiguration_(false),
allocated_encoder_(NULL, webrtc::kVideoCodecUnknown, false),
capturer_(NULL),
sending_(false),
@ -1620,7 +1609,7 @@ WebRtcVideoChannel2::WebRtcVideoSendStream::WebRtcVideoSendStream(
: webrtc::RtcpMode::kCompound;
if (codec_settings) {
SetCodec(*codec_settings);
SetCodecAndOptions(*codec_settings, parameters_.options);
}
}
@ -1734,6 +1723,7 @@ bool WebRtcVideoChannel2::WebRtcVideoSendStream::SetCapturer(
return true;
}
// TODO(pbos): Apply this on the VideoAdapter instead!
bool WebRtcVideoChannel2::WebRtcVideoSendStream::SetVideoFormat(
const VideoFormat& format) {
if ((format.width == 0 || format.height == 0) &&
@ -1786,15 +1776,6 @@ WebRtcVideoChannel2::WebRtcVideoSendStream::GetSsrcs() const {
return ssrcs_;
}
void WebRtcVideoChannel2::WebRtcVideoSendStream::SetApplyRotation(
bool apply_rotation) {
rtc::CritScope cs(&lock_);
if (capturer_ == NULL)
return;
capturer_->SetApplyRotation(apply_rotation);
}
void WebRtcVideoChannel2::WebRtcVideoSendStream::SetOptions(
const VideoOptions& options) {
rtc::CritScope cs(&lock_);
@ -1807,13 +1788,6 @@ void WebRtcVideoChannel2::WebRtcVideoSendStream::SetOptions(
}
}
void WebRtcVideoChannel2::WebRtcVideoSendStream::SetCodec(
const VideoCodecSettings& codec_settings) {
rtc::CritScope cs(&lock_);
LOG(LS_INFO) << "SetCodecAndOptions because of SetCodec.";
SetCodecAndOptions(codec_settings, parameters_.options);
}
webrtc::VideoCodecType CodecTypeFromName(const std::string& name) {
if (CodecNamesEq(name, kVp8CodecName)) {
return webrtc::kVideoCodecVP8;
@ -1873,8 +1847,7 @@ void WebRtcVideoChannel2::WebRtcVideoSendStream::SetCodecAndOptions(
const VideoOptions& options) {
parameters_.encoder_config =
CreateVideoEncoderConfig(last_dimensions_, codec_settings.codec);
if (parameters_.encoder_config.streams.empty())
return;
RTC_DCHECK(!parameters_.encoder_config.streams.empty());
format_ = VideoFormat(codec_settings.codec.width,
codec_settings.codec.height,
@ -1924,23 +1897,45 @@ void WebRtcVideoChannel2::WebRtcVideoSendStream::SetCodecAndOptions(
}
}
void WebRtcVideoChannel2::WebRtcVideoSendStream::SetRtpExtensions(
const std::vector<webrtc::RtpExtension>& rtp_extensions) {
rtc::CritScope cs(&lock_);
parameters_.config.rtp.extensions = rtp_extensions;
if (stream_ != nullptr) {
LOG(LS_INFO) << "RecreateWebRtcStream (send) because of SetRtpExtensions";
RecreateWebRtcStream();
}
}
void WebRtcVideoChannel2::WebRtcVideoSendStream::SetSendParameters(
const VideoSendParameters& send_params) {
const ChangedSendParameters& params) {
rtc::CritScope cs(&lock_);
parameters_.config.rtp.rtcp_mode = send_params.rtcp.reduced_size
? webrtc::RtcpMode::kReducedSize
: webrtc::RtcpMode::kCompound;
if (stream_ != nullptr) {
// |recreate_stream| means construction-time parameters have changed and the
// sending stream needs to be reset with the new config.
bool recreate_stream = false;
if (params.rtcp_mode) {
parameters_.config.rtp.rtcp_mode = *params.rtcp_mode;
recreate_stream = true;
}
if (params.rtp_header_extensions) {
parameters_.config.rtp.extensions = *params.rtp_header_extensions;
if (capturer_) {
capturer_->SetApplyRotation(!ContainsHeaderExtension(
*params.rtp_header_extensions, kRtpVideoRotationHeaderExtension));
}
recreate_stream = true;
}
if (params.max_bandwidth_bps) {
// Max bitrate has changed, reconfigure encoder settings on the next frame
// or stream recreation.
parameters_.max_bitrate_bps = *params.max_bandwidth_bps;
pending_encoder_reconfiguration_ = true;
}
// Set codecs and options.
if (params.codec) {
SetCodecAndOptions(*params.codec,
params.options ? *params.options : parameters_.options);
return;
} else if (params.options) {
// Reconfigure if codecs are already set.
if (parameters_.codec_settings) {
SetCodecAndOptions(*parameters_.codec_settings, *params.options);
return;
} else {
parameters_.options = *params.options;
}
}
if (recreate_stream) {
LOG(LS_INFO) << "RecreateWebRtcStream (send) because of SetSendParameters";
RecreateWebRtcStream();
}
@ -2012,7 +2007,8 @@ void WebRtcVideoChannel2::WebRtcVideoSendStream::SetDimensions(
int height,
bool is_screencast) {
if (last_dimensions_.width == width && last_dimensions_.height == height &&
last_dimensions_.is_screencast == is_screencast) {
last_dimensions_.is_screencast == is_screencast &&
!pending_encoder_reconfiguration_) {
// Configured using the same parameters, do not reconfigure.
return;
}
@ -2037,6 +2033,7 @@ void WebRtcVideoChannel2::WebRtcVideoSendStream::SetDimensions(
bool stream_reconfigured = stream_->ReconfigureVideoEncoder(encoder_config);
encoder_config.encoder_specific_settings = NULL;
pending_encoder_reconfiguration_ = false;
if (!stream_reconfigured) {
LOG(LS_WARNING) << "Failed to reconfigure video encoder for dimensions: "
@ -2173,21 +2170,6 @@ void WebRtcVideoChannel2::WebRtcVideoSendStream::FillBandwidthEstimationInfo(
bwe_info->actual_enc_bitrate += stats.media_bitrate_bps;
}
void WebRtcVideoChannel2::WebRtcVideoSendStream::SetMaxBitrateBps(
int max_bitrate_bps) {
rtc::CritScope cs(&lock_);
parameters_.max_bitrate_bps = max_bitrate_bps;
// No need to reconfigure if the stream hasn't been configured yet.
if (parameters_.encoder_config.streams.empty())
return;
// Force a stream reconfigure to set the new max bitrate.
int width = last_dimensions_.width;
last_dimensions_.width = 0;
SetDimensions(width, last_dimensions_.height, last_dimensions_.is_screencast);
}
void WebRtcVideoChannel2::WebRtcVideoSendStream::RecreateWebRtcStream() {
if (stream_ != NULL) {
call_->DestroyVideoSendStream(stream_);
@ -2209,6 +2191,7 @@ void WebRtcVideoChannel2::WebRtcVideoSendStream::RecreateWebRtcStream() {
stream_ = call_->CreateVideoSendStream(config, parameters_.encoder_config);
parameters_.encoder_config.encoder_specific_settings = NULL;
pending_encoder_reconfiguration_ = false;
if (sending_) {
stream_->Start();

View File

@ -128,8 +128,6 @@ class WebRtcVideoEngine2 {
virtual void SetExternalEncoderFactory(
WebRtcVideoEncoderFactory* encoder_factory);
bool EnableTimedRender();
bool FindCodec(const VideoCodec& in);
// Check whether the supplied trace should be ignored.
bool ShouldIgnoreTrace(const std::string& trace);
@ -195,14 +193,32 @@ class WebRtcVideoChannel2 : public rtc::MessageHandler,
uint32_t GetDefaultSendChannelSsrc() { return default_send_ssrc_; }
private:
struct VideoCodecSettings {
VideoCodecSettings();
bool operator==(const VideoCodecSettings& other) const;
bool operator!=(const VideoCodecSettings& other) const;
VideoCodec codec;
webrtc::FecConfig fec;
int rtx_payload_type;
};
struct ChangedSendParameters {
// These optionals are unset if not changed.
rtc::Optional<VideoCodecSettings> codec;
rtc::Optional<std::vector<webrtc::RtpExtension>> rtp_header_extensions;
rtc::Optional<int> max_bandwidth_bps;
rtc::Optional<VideoOptions> options;
rtc::Optional<webrtc::RtcpMode> rtcp_mode;
};
bool GetChangedSendParameters(const VideoSendParameters& params,
ChangedSendParameters* changed_params) const;
bool MuteStream(uint32_t ssrc, bool mute);
class WebRtcVideoReceiveStream;
bool SetSendCodecs(const std::vector<VideoCodec>& codecs);
bool SetSendRtpHeaderExtensions(
const std::vector<RtpHeaderExtension>& extensions);
bool SetMaxSendBandwidth(int bps);
bool SetOptions(const VideoOptions& options);
void SetMaxSendBandwidth(int bps);
void SetOptions(const VideoOptions& options);
bool SetRecvCodecs(const std::vector<VideoCodec>& codecs);
bool SetRecvRtpHeaderExtensions(
const std::vector<RtpHeaderExtension>& extensions);
@ -217,17 +233,6 @@ class WebRtcVideoChannel2 : public rtc::MessageHandler,
void DeleteReceiveStream(WebRtcVideoReceiveStream* stream)
EXCLUSIVE_LOCKS_REQUIRED(stream_crit_);
struct VideoCodecSettings {
VideoCodecSettings();
bool operator==(const VideoCodecSettings& other) const;
bool operator!=(const VideoCodecSettings& other) const;
VideoCodec codec;
webrtc::FecConfig fec;
int rtx_payload_type;
};
static std::string CodecSettingsVectorToString(
const std::vector<VideoCodecSettings>& codecs);
@ -248,12 +253,8 @@ class WebRtcVideoChannel2 : public rtc::MessageHandler,
~WebRtcVideoSendStream();
void SetOptions(const VideoOptions& options);
void SetCodec(const VideoCodecSettings& codec);
void SetRtpExtensions(
const std::vector<webrtc::RtpExtension>& rtp_extensions);
// TODO(deadbeef): Move logic from SetCodec/SetRtpExtensions/etc.
// into this method. Currently this method only sets the RTCP mode.
void SetSendParameters(const VideoSendParameters& send_params);
// TODO(pbos): Move logic from SetOptions into this method.
void SetSendParameters(const ChangedSendParameters& send_params);
void InputFrame(VideoCapturer* capturer, const VideoFrame* frame);
bool SetCapturer(VideoCapturer* capturer);
@ -261,8 +262,6 @@ class WebRtcVideoChannel2 : public rtc::MessageHandler,
void MuteStream(bool mute);
bool DisconnectCapturer();
void SetApplyRotation(bool apply_rotation);
void Start();
void Stop();
@ -270,8 +269,6 @@ class WebRtcVideoChannel2 : public rtc::MessageHandler,
VideoSenderInfo GetVideoSenderInfo();
void FillBandwidthEstimationInfo(BandwidthEstimationInfo* bwe_info);
void SetMaxBitrateBps(int max_bitrate_bps);
private:
// Parameters needed to reconstruct the underlying stream.
// webrtc::VideoSendStream doesn't support setting a lot of options on the
@ -362,6 +359,7 @@ class WebRtcVideoChannel2 : public rtc::MessageHandler,
rtc::CriticalSection lock_;
webrtc::VideoSendStream* stream_ GUARDED_BY(lock_);
VideoSendStreamParameters parameters_ GUARDED_BY(lock_);
bool pending_encoder_reconfiguration_ GUARDED_BY(lock_);
VideoEncoderSettings encoder_settings_ GUARDED_BY(lock_);
AllocatedEncoder allocated_encoder_ GUARDED_BY(lock_);
Dimensions last_dimensions_ GUARDED_BY(lock_);

View File

@ -2101,14 +2101,22 @@ TEST_F(WebRtcVideoChannel2Test, SetMaxSendBitrateCanIncreaseSenderBitrate) {
FakeVideoSendStream* stream = AddSendStream();
cricket::FakeVideoCapturer capturer;
EXPECT_TRUE(channel_->SetCapturer(last_ssrc_, &capturer));
EXPECT_EQ(cricket::CS_RUNNING,
capturer.Start(capturer.GetSupportedFormats()->front()));
std::vector<webrtc::VideoStream> streams = stream->GetVideoStreams();
int initial_max_bitrate_bps = streams[0].max_bitrate_bps;
EXPECT_GT(initial_max_bitrate_bps, 0);
parameters.max_bandwidth_bps = initial_max_bitrate_bps * 2;
EXPECT_TRUE(channel_->SetSendParameters(parameters));
// Insert a frame to update the encoder config.
EXPECT_TRUE(capturer.CaptureFrame());
streams = stream->GetVideoStreams();
EXPECT_EQ(initial_max_bitrate_bps * 2, streams[0].max_bitrate_bps);
EXPECT_TRUE(channel_->SetCapturer(last_ssrc_, nullptr));
}
TEST_F(WebRtcVideoChannel2Test,
@ -2136,6 +2144,8 @@ TEST_F(WebRtcVideoChannel2Test,
parameters.max_bandwidth_bps = initial_max_bitrate_bps * 2;
EXPECT_TRUE(channel_->SetSendParameters(parameters));
// Insert a frame to update the encoder config.
EXPECT_TRUE(capturer.CaptureFrame());
streams = stream->GetVideoStreams();
int increased_max_bitrate_bps = GetTotalMaxBitrateBps(streams);
EXPECT_EQ(initial_max_bitrate_bps * 2, increased_max_bitrate_bps);