blob: 1b6a893cb24084c699669eb231a3dad41d4dcace [file] [log] [blame]
/*
* Copyright (c) 2012 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/common_types.h"
#include "webrtc/common_video/libyuv/include/webrtc_libyuv.h"
#include "webrtc/modules/video_coding/include/video_codec_interface.h"
#include "webrtc/modules/video_coding/encoded_frame.h"
#include "webrtc/modules/video_coding/jitter_buffer.h"
#include "webrtc/modules/video_coding/packet.h"
#include "webrtc/modules/video_coding/video_coding_impl.h"
#include "webrtc/system_wrappers/include/clock.h"
namespace webrtc {
namespace vcm {
int64_t
VCMProcessTimer::Period() const {
return _periodMs;
}
int64_t
VCMProcessTimer::TimeUntilProcess() const {
const int64_t time_since_process = _clock->TimeInMilliseconds() - _latestMs;
const int64_t time_until_process = _periodMs - time_since_process;
return std::max<int64_t>(time_until_process, 0);
}
void
VCMProcessTimer::Processed() {
_latestMs = _clock->TimeInMilliseconds();
}
} // namespace vcm
namespace {
// This wrapper provides a way to modify the callback without the need to expose
// a register method all the way down to the function calling it.
class EncodedImageCallbackWrapper : public EncodedImageCallback {
public:
EncodedImageCallbackWrapper()
: cs_(CriticalSectionWrapper::CreateCriticalSection()), callback_(NULL) {}
virtual ~EncodedImageCallbackWrapper() {}
void Register(EncodedImageCallback* callback) {
CriticalSectionScoped cs(cs_.get());
callback_ = callback;
}
// TODO(andresp): Change to void as return value is ignored.
virtual int32_t Encoded(const EncodedImage& encoded_image,
const CodecSpecificInfo* codec_specific_info,
const RTPFragmentationHeader* fragmentation) {
CriticalSectionScoped cs(cs_.get());
if (callback_)
return callback_->Encoded(
encoded_image, codec_specific_info, fragmentation);
return 0;
}
private:
rtc::scoped_ptr<CriticalSectionWrapper> cs_;
EncodedImageCallback* callback_ GUARDED_BY(cs_);
};
class VideoCodingModuleImpl : public VideoCodingModule {
public:
VideoCodingModuleImpl(Clock* clock,
EventFactory* event_factory,
bool owns_event_factory,
VideoEncoderRateObserver* encoder_rate_observer,
VCMQMSettingsCallback* qm_settings_callback)
: VideoCodingModule(),
sender_(clock,
&post_encode_callback_,
encoder_rate_observer,
qm_settings_callback),
receiver_(clock, event_factory),
own_event_factory_(owns_event_factory ? event_factory : NULL) {}
virtual ~VideoCodingModuleImpl() {
own_event_factory_.reset();
}
int64_t TimeUntilNextProcess() override {
int64_t sender_time = sender_.TimeUntilNextProcess();
int64_t receiver_time = receiver_.TimeUntilNextProcess();
assert(sender_time >= 0);
assert(receiver_time >= 0);
return VCM_MIN(sender_time, receiver_time);
}
int32_t Process() override {
int32_t sender_return = sender_.Process();
int32_t receiver_return = receiver_.Process();
if (sender_return != VCM_OK)
return sender_return;
return receiver_return;
}
int32_t RegisterSendCodec(const VideoCodec* sendCodec,
uint32_t numberOfCores,
uint32_t maxPayloadSize) override {
return sender_.RegisterSendCodec(sendCodec, numberOfCores, maxPayloadSize);
}
const VideoCodec& GetSendCodec() const override {
return sender_.GetSendCodec();
}
// DEPRECATED.
int32_t SendCodec(VideoCodec* currentSendCodec) const override {
return sender_.SendCodecBlocking(currentSendCodec);
}
// DEPRECATED.
VideoCodecType SendCodec() const override {
return sender_.SendCodecBlocking();
}
int32_t RegisterExternalEncoder(VideoEncoder* externalEncoder,
uint8_t payloadType,
bool internalSource) override {
return sender_.RegisterExternalEncoder(externalEncoder, payloadType,
internalSource);
}
int Bitrate(unsigned int* bitrate) const override {
return sender_.Bitrate(bitrate);
}
int FrameRate(unsigned int* framerate) const override {
return sender_.FrameRate(framerate);
}
int32_t SetChannelParameters(uint32_t target_bitrate, // bits/s.
uint8_t lossRate,
int64_t rtt) override {
return sender_.SetChannelParameters(target_bitrate, lossRate, rtt);
}
int32_t RegisterTransportCallback(
VCMPacketizationCallback* transport) override {
return sender_.RegisterTransportCallback(transport);
}
int32_t RegisterSendStatisticsCallback(
VCMSendStatisticsCallback* sendStats) override {
return sender_.RegisterSendStatisticsCallback(sendStats);
}
int32_t RegisterProtectionCallback(
VCMProtectionCallback* protection) override {
return sender_.RegisterProtectionCallback(protection);
}
int32_t SetVideoProtection(VCMVideoProtection videoProtection,
bool enable) override {
// TODO(pbos): Remove enable from receive-side protection modes as well.
if (enable)
sender_.SetVideoProtection(videoProtection);
return receiver_.SetVideoProtection(videoProtection, enable);
}
int32_t AddVideoFrame(const VideoFrame& videoFrame,
const VideoContentMetrics* contentMetrics,
const CodecSpecificInfo* codecSpecificInfo) override {
return sender_.AddVideoFrame(videoFrame, contentMetrics, codecSpecificInfo);
}
int32_t IntraFrameRequest(int stream_index) override {
return sender_.IntraFrameRequest(stream_index);
}
int32_t EnableFrameDropper(bool enable) override {
return sender_.EnableFrameDropper(enable);
}
void SuspendBelowMinBitrate() override {
return sender_.SuspendBelowMinBitrate();
}
bool VideoSuspended() const override { return sender_.VideoSuspended(); }
int32_t RegisterReceiveCodec(const VideoCodec* receiveCodec,
int32_t numberOfCores,
bool requireKeyFrame) override {
return receiver_.RegisterReceiveCodec(receiveCodec, numberOfCores,
requireKeyFrame);
}
int32_t RegisterExternalDecoder(VideoDecoder* externalDecoder,
uint8_t payloadType,
bool internalRenderTiming) override {
return receiver_.RegisterExternalDecoder(externalDecoder, payloadType,
internalRenderTiming);
}
int32_t RegisterReceiveCallback(
VCMReceiveCallback* receiveCallback) override {
return receiver_.RegisterReceiveCallback(receiveCallback);
}
int32_t RegisterReceiveStatisticsCallback(
VCMReceiveStatisticsCallback* receiveStats) override {
return receiver_.RegisterReceiveStatisticsCallback(receiveStats);
}
int32_t RegisterDecoderTimingCallback(
VCMDecoderTimingCallback* decoderTiming) override {
return receiver_.RegisterDecoderTimingCallback(decoderTiming);
}
int32_t RegisterFrameTypeCallback(
VCMFrameTypeCallback* frameTypeCallback) override {
return receiver_.RegisterFrameTypeCallback(frameTypeCallback);
}
int32_t RegisterPacketRequestCallback(
VCMPacketRequestCallback* callback) override {
return receiver_.RegisterPacketRequestCallback(callback);
}
int RegisterRenderBufferSizeCallback(
VCMRenderBufferSizeCallback* callback) override {
return receiver_.RegisterRenderBufferSizeCallback(callback);
}
int32_t Decode(uint16_t maxWaitTimeMs) override {
return receiver_.Decode(maxWaitTimeMs);
}
int32_t ResetDecoder() override { return receiver_.ResetDecoder(); }
int32_t ReceiveCodec(VideoCodec* currentReceiveCodec) const override {
return receiver_.ReceiveCodec(currentReceiveCodec);
}
VideoCodecType ReceiveCodec() const override {
return receiver_.ReceiveCodec();
}
int32_t IncomingPacket(const uint8_t* incomingPayload,
size_t payloadLength,
const WebRtcRTPHeader& rtpInfo) override {
return receiver_.IncomingPacket(incomingPayload, payloadLength, rtpInfo);
}
int32_t SetMinimumPlayoutDelay(uint32_t minPlayoutDelayMs) override {
return receiver_.SetMinimumPlayoutDelay(minPlayoutDelayMs);
}
int32_t SetRenderDelay(uint32_t timeMS) override {
return receiver_.SetRenderDelay(timeMS);
}
int32_t Delay() const override { return receiver_.Delay(); }
uint32_t DiscardedPackets() const override {
return receiver_.DiscardedPackets();
}
int SetReceiverRobustnessMode(ReceiverRobustness robustnessMode,
VCMDecodeErrorMode errorMode) override {
return receiver_.SetReceiverRobustnessMode(robustnessMode, errorMode);
}
void SetNackSettings(size_t max_nack_list_size,
int max_packet_age_to_nack,
int max_incomplete_time_ms) override {
return receiver_.SetNackSettings(max_nack_list_size, max_packet_age_to_nack,
max_incomplete_time_ms);
}
void SetDecodeErrorMode(VCMDecodeErrorMode decode_error_mode) override {
return receiver_.SetDecodeErrorMode(decode_error_mode);
}
int SetMinReceiverDelay(int desired_delay_ms) override {
return receiver_.SetMinReceiverDelay(desired_delay_ms);
}
int32_t SetReceiveChannelParameters(int64_t rtt) override {
return receiver_.SetReceiveChannelParameters(rtt);
}
void RegisterPreDecodeImageCallback(EncodedImageCallback* observer) override {
receiver_.RegisterPreDecodeImageCallback(observer);
}
void RegisterPostEncodeImageCallback(
EncodedImageCallback* observer) override {
post_encode_callback_.Register(observer);
}
void TriggerDecoderShutdown() override { receiver_.TriggerDecoderShutdown(); }
private:
EncodedImageCallbackWrapper post_encode_callback_;
vcm::VideoSender sender_;
vcm::VideoReceiver receiver_;
rtc::scoped_ptr<EventFactory> own_event_factory_;
};
} // namespace
int32_t VideoCodingModule::Codec(VideoCodecType codecType, VideoCodec* codec) {
VCMCodecDataBase::Codec(codecType, codec);
return 0;
}
VideoCodingModule* VideoCodingModule::Create(
Clock* clock,
VideoEncoderRateObserver* encoder_rate_observer,
VCMQMSettingsCallback* qm_settings_callback) {
return new VideoCodingModuleImpl(clock, new EventFactoryImpl, true,
encoder_rate_observer, qm_settings_callback);
}
VideoCodingModule* VideoCodingModule::Create(
Clock* clock,
EventFactory* event_factory) {
assert(clock);
assert(event_factory);
return new VideoCodingModuleImpl(clock, event_factory, false, nullptr,
nullptr);
}
void VideoCodingModule::Destroy(VideoCodingModule* module) {
if (module != NULL) {
delete static_cast<VideoCodingModuleImpl*>(module);
}
}
} // namespace webrtc