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Bug 1132318: merge SelectSendFrameRate with SelectSendResolution r=bwc

This commit is contained in:
Randell Jesup 2015-06-05 20:27:38 -04:00
Родитель 8f17e389c4
Коммит 7ee6dd1764
4 изменённых файлов: 89 добавлений и 84 удалений
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32
media/webrtc/signaling/src/media-conduit/AudioConduit.cpp
Просмотреть файл

@ -69,7 +69,6 @@ WebrtcAudioConduit::~WebrtcAudioConduit()
{
delete mRecvCodecList[i];
}
delete mCurSendCodecConfig;
// The first one of a pair to be deleted shuts down media for both
if(mPtrVoEXmedia)
@ -360,10 +359,12 @@ WebrtcAudioConduit::ConfigureSendMediaCodec(const AudioCodecConfig* codecConfig)
int error = 0;//webrtc engine errors
webrtc::CodecInst cinst;
//validate codec param
if((condError = ValidateCodecConfig(codecConfig, true)) != kMediaConduitNoError)
{
return condError;
//validate codec param
if((condError = ValidateCodecConfig(codecConfig, true)) != kMediaConduitNoError)
{
return condError;
}
}
condError = StopTransmitting();
@ -411,16 +412,17 @@ WebrtcAudioConduit::ConfigureSendMediaCodec(const AudioCodecConfig* codecConfig)
return condError;
}
//Copy the applied config for future reference.
delete mCurSendCodecConfig;
mCurSendCodecConfig = new AudioCodecConfig(codecConfig->mType,
codecConfig->mName,
codecConfig->mFreq,
codecConfig->mPacSize,
codecConfig->mChannels,
codecConfig->mRate);
{
MutexAutoLock lock(mCodecMutex);
//Copy the applied config for future reference.
mCurSendCodecConfig = new AudioCodecConfig(codecConfig->mType,
codecConfig->mName,
codecConfig->mFreq,
codecConfig->mPacSize,
codecConfig->mChannels,
codecConfig->mRate);
}
return kMediaConduitNoError;
}
@ -1018,7 +1020,7 @@ WebrtcAudioConduit::CheckCodecForMatch(const AudioCodecConfig* codecInfo) const
*/
MediaConduitErrorCode
WebrtcAudioConduit::ValidateCodecConfig(const AudioCodecConfig* codecInfo,
bool send) const
bool send)
{
bool codecAppliedAlready = false;
@ -1045,6 +1047,8 @@ WebrtcAudioConduit::ValidateCodecConfig(const AudioCodecConfig* codecInfo,
//check if we have the same codec already applied
if(send)
{
MutexAutoLock lock(mCodecMutex);
codecAppliedAlready = CheckCodecsForMatch(mCurSendCodecConfig,codecInfo);
} else {
codecAppliedAlready = CheckCodecForMatch(codecInfo);

8
media/webrtc/signaling/src/media-conduit/AudioConduit.h
Просмотреть файл

@ -169,7 +169,7 @@ public:
mEngineTransmitting(false),
mEngineReceiving(false),
mChannel(-1),
mCurSendCodecConfig(nullptr),
mCodecMutex("AudioConduit codec db"),
mCaptureDelay(150),
#if !defined(MOZILLA_EXTERNAL_LINKAGE)
mLastTimestamp(0),
@ -245,7 +245,7 @@ private:
bool CheckCodecsForMatch(const AudioCodecConfig* curCodecConfig,
const AudioCodecConfig* codecInfo) const;
//Checks the codec to be applied
MediaConduitErrorCode ValidateCodecConfig(const AudioCodecConfig* codecInfo, bool send) const;
MediaConduitErrorCode ValidateCodecConfig(const AudioCodecConfig* codecInfo, bool send);
//Utility function to dump recv codec database
void DumpCodecDB() const;
@ -277,7 +277,9 @@ private:
int mChannel;
RecvCodecList mRecvCodecList;
AudioCodecConfig* mCurSendCodecConfig;
Mutex mCodecMutex; // protects mCurSendCodecConfig
nsAutoPtr<AudioCodecConfig> mCurSendCodecConfig;
// Current "capture" delay (really output plus input delay)
int32_t mCaptureDelay;

118
media/webrtc/signaling/src/media-conduit/VideoConduit.cpp
Просмотреть файл

@ -74,7 +74,7 @@ WebrtcVideoConduit::WebrtcVideoConduit():
mEngineReceiving(false),
mChannel(-1),
mCapId(-1),
mCurSendCodecConfig(nullptr),
mCodecMutex("VideoConduit codec db"),
mSendingWidth(0),
mSendingHeight(0),
mReceivingWidth(640),
@ -101,8 +101,6 @@ WebrtcVideoConduit::~WebrtcVideoConduit()
delete mRecvCodecList[i];
}
delete mCurSendCodecConfig;
// The first one of a pair to be deleted shuts down media for both
//Deal with External Capturer
if(mPtrViECapture)
@ -237,7 +235,7 @@ bool WebrtcVideoConduit::GetVideoEncoderStats(double* framerateMean,
CSFLogDebug(logTag, "Encoder frame rate changed from %f to %f",
(mLastFramerateTenths/10.0), *framerateMean);
mLastFramerateTenths = *framerateMean * 10;
SelectSendResolution(mSendingWidth, mSendingHeight, true);
SelectSendResolution(mSendingWidth, mSendingHeight);
}
return true;
}
@ -595,6 +593,12 @@ WebrtcVideoConduit::ConfigureCodecMode(webrtc::VideoCodecMode mode)
/**
* Note: Setting the send-codec on the Video Engine will restart the encoder,
* sets up new SSRC and reset RTP_RTCP module with the new codec setting.
*
* Note: this is called from MainThread, and the codec settings are read on
* videoframe delivery threads (i.e in SendVideoFrame(). With
* renegotiation/reconfiguration, this now needs a lock! Alternatively
* changes could be queued until the next frame is delivered using an
* Atomic pointer and swaps.
*/
MediaConduitErrorCode
WebrtcVideoConduit::ConfigureSendMediaCodec(const VideoCodecConfig* codecConfig)
@ -608,16 +612,12 @@ WebrtcVideoConduit::ConfigureSendMediaCodec(const VideoCodecConfig* codecConfig)
memset(&video_codec, 0, sizeof(video_codec));
//validate basic params
if((condError = ValidateCodecConfig(codecConfig,true)) != kMediaConduitNoError)
{
return condError;
}
//Check if we have same codec already applied
if(CheckCodecsForMatch(mCurSendCodecConfig, codecConfig))
{
CSFLogDebug(logTag, "%s Codec has been applied already ", __FUNCTION__);
//validate basic params
if((condError = ValidateCodecConfig(codecConfig,true)) != kMediaConduitNoError)
{
return condError;
}
}
condError = StopTransmitting();
@ -709,10 +709,12 @@ WebrtcVideoConduit::ConfigureSendMediaCodec(const VideoCodecConfig* codecConfig)
return condError;
}
//Copy the applied config for future reference.
delete mCurSendCodecConfig;
{
MutexAutoLock lock(mCodecMutex);
mCurSendCodecConfig = new VideoCodecConfig(*codecConfig);
//Copy the applied config for future reference.
mCurSendCodecConfig = new VideoCodecConfig(*codecConfig);
}
mPtrRTP->SetRembStatus(mChannel, true, false);
@ -997,11 +999,12 @@ WebrtcVideoConduit::SelectBandwidth(webrtc::VideoCodec& vie_codec,
// XXX we need to figure out how to feed back changes in preferred capture
// resolution to the getUserMedia source
// Invoked under lock of mCodecMutex!
bool
WebrtcVideoConduit::SelectSendResolution(unsigned short width,
unsigned short height,
bool force)
unsigned short height)
{
mCodecMutex.AssertCurrentThreadOwns();
// XXX This will do bandwidth-resolution adaptation as well - bug 877954
// Limit resolution to max-fs while keeping same aspect ratio as the
@ -1071,15 +1074,25 @@ WebrtcVideoConduit::SelectSendResolution(unsigned short width,
// Adapt to getUserMedia resolution changes
// check if we need to reconfigure the sending resolution.
// force tells us to do it regardless, such as when the FPS changes
if (mSendingWidth != width || mSendingHeight != height || force)
bool changed = false;
if (mSendingWidth != width || mSendingHeight != height)
{
// This will avoid us continually retrying this operation if it fails.
// If the resolution changes, we'll try again. In the meantime, we'll
// keep using the old size in the encoder.
mSendingWidth = width;
mSendingHeight = height;
changed = true;
}
// uses mSendingWidth/Height
unsigned int framerate = SelectSendFrameRate(mSendingFramerate);
if (mSendingFramerate != framerate) {
mSendingFramerate = framerate;
changed = true;
}
if (changed) {
// Get current vie codec.
webrtc::VideoCodec vie_codec;
int32_t err;
@ -1089,10 +1102,13 @@ WebrtcVideoConduit::SelectSendResolution(unsigned short width,
CSFLogError(logTag, "%s: GetSendCodec failed, err %d", __FUNCTION__, err);
return false;
}
if (vie_codec.width != width || vie_codec.height != height || force)
// Likely spurious unless there was some error, but rarely checked
if (vie_codec.width != width || vie_codec.height != height ||
vie_codec.maxFramerate != mSendingFramerate)
{
vie_codec.width = width;
vie_codec.height = height;
vie_codec.maxFramerate = mSendingFramerate;
SelectBandwidth(vie_codec, width, height);
if ((err = mPtrViECodec->SetSendCodec(mChannel, vie_codec)) != 0)
@ -1101,19 +1117,22 @@ WebrtcVideoConduit::SelectSendResolution(unsigned short width,
__FUNCTION__, width, height, err);
return false;
}
CSFLogDebug(logTag, "%s: Encoder resolution changed to %ux%u, bitrate %u:%u",
__FUNCTION__, width, height,
CSFLogDebug(logTag, "%s: Encoder resolution changed to %ux%u @ %ufps, bitrate %u:%u",
__FUNCTION__, width, height, mSendingFramerate,
vie_codec.minBitrate, vie_codec.maxBitrate);
} // else no change; mSendingWidth likely was 0
}
return true;
}
// TODO(ruil2@cisco.com):combine SelectSendResolution with SelectSendFrameRate Bug 1132318
bool
WebrtcVideoConduit::SelectSendFrameRate(unsigned int framerate)
// Invoked under lock of mCodecMutex!
unsigned int
WebrtcVideoConduit::SelectSendFrameRate(unsigned int framerate) const
{
mCodecMutex.AssertCurrentThreadOwns();
unsigned int new_framerate = framerate;
// Limit frame rate based on max-mbps
mSendingFramerate = framerate;
if (mCurSendCodecConfig && mCurSendCodecConfig->mMaxMBPS)
{
unsigned int cur_fs, mb_width, mb_height, max_fps;
@ -1124,39 +1143,15 @@ WebrtcVideoConduit::SelectSendFrameRate(unsigned int framerate)
cur_fs = mb_width * mb_height;
max_fps = mCurSendCodecConfig->mMaxMBPS/cur_fs;
if (max_fps < mSendingFramerate) {
mSendingFramerate = max_fps;
new_framerate = max_fps;
}
if (mCurSendCodecConfig->mMaxFrameRate != 0 &&
mCurSendCodecConfig->mMaxFrameRate < mSendingFramerate) {
mSendingFramerate = mCurSendCodecConfig->mMaxFrameRate;
new_framerate = mCurSendCodecConfig->mMaxFrameRate;
}
}
if (mSendingFramerate != framerate)
{
// Get current vie codec.
webrtc::VideoCodec vie_codec;
int32_t err;
if ((err = mPtrViECodec->GetSendCodec(mChannel, vie_codec)) != 0)
{
CSFLogError(logTag, "%s: GetSendCodec failed, err %d", __FUNCTION__, err);
return false;
}
if (vie_codec.maxFramerate != mSendingFramerate)
{
vie_codec.maxFramerate = mSendingFramerate;
if ((err = mPtrViECodec->SetSendCodec(mChannel, vie_codec)) != 0)
{
CSFLogError(logTag, "%s: SetSendCodec(%u) failed, err %d",
__FUNCTION__, mSendingFramerate, err);
return false;
}
CSFLogDebug(logTag, "%s: Encoder framerate changed to %u",
__FUNCTION__, mSendingFramerate);
}
}
return true;
return new_framerate;
}
MediaConduitErrorCode
@ -1221,13 +1216,12 @@ WebrtcVideoConduit::SendVideoFrame(unsigned char* video_frame,
return kMediaConduitSessionNotInited;
}
if (!SelectSendResolution(width, height, false))
{
return kMediaConduitCaptureError;
}
if (!SelectSendFrameRate(mSendingFramerate))
{
return kMediaConduitCaptureError;
MutexAutoLock lock(mCodecMutex);
if (!SelectSendResolution(width, height))
{
return kMediaConduitCaptureError;
}
}
// insert the frame to video engine in I420 format only
MOZ_ASSERT(mPtrExtCapture);
@ -1609,7 +1603,7 @@ WebrtcVideoConduit::CheckCodecForMatch(const VideoCodecConfig* codecInfo) const
*/
MediaConduitErrorCode
WebrtcVideoConduit::ValidateCodecConfig(const VideoCodecConfig* codecInfo,
bool send) const
bool send)
{
bool codecAppliedAlready = false;
@ -1629,6 +1623,8 @@ WebrtcVideoConduit::ValidateCodecConfig(const VideoCodecConfig* codecInfo,
//check if we have the same codec already applied
if(send)
{
MutexAutoLock lock(mCodecMutex);
codecAppliedAlready = CheckCodecsForMatch(mCurSendCodecConfig,codecInfo);
} else {
codecAppliedAlready = CheckCodecForMatch(codecInfo);

15
media/webrtc/signaling/src/media-conduit/VideoConduit.h
Просмотреть файл

@ -145,15 +145,15 @@ public:
* @param force: force setting the codec config if framerate may require a bandwidth change
*/
bool SelectSendResolution(unsigned short width,
unsigned short height,
bool force);
unsigned short height);
/**
* Function to select and change the encoding frame rate based on incoming frame rate
* and max-mbps setting.
* @param framerate
* @param current framerate
* @result new framerate
*/
bool SelectSendFrameRate(unsigned int framerate);
unsigned int SelectSendFrameRate(unsigned int framerate) const;
/**
* Function to deliver a capture video frame for encoding and transport
@ -306,7 +306,7 @@ private:
const VideoCodecConfig* codecInfo) const;
//Checks the codec to be applied
MediaConduitErrorCode ValidateCodecConfig(const VideoCodecConfig* codecInfo, bool send) const;
MediaConduitErrorCode ValidateCodecConfig(const VideoCodecConfig* codecInfo, bool send);
//Utility function to dump recv codec database
void DumpCodecDB() const;
@ -337,7 +337,10 @@ private:
int mChannel; // Video Channel for this conduit
int mCapId; // Capturer for this conduit
RecvCodecList mRecvCodecList;
VideoCodecConfig* mCurSendCodecConfig;
Mutex mCodecMutex; // protects mCurrSendCodecConfig
nsAutoPtr<VideoCodecConfig> mCurSendCodecConfig;
unsigned short mSendingWidth;
unsigned short mSendingHeight;
unsigned short mReceivingWidth;