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/*
* Copyright (c) 2013 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/modules/video_coding/test/vcm_payload_sink_factory.h"
#include <assert.h>
#include <algorithm>
#include "webrtc/modules/rtp_rtcp/include/rtp_rtcp.h"
#include "webrtc/modules/video_coding/test/test_util.h"
#include "webrtc/system_wrappers/include/clock.h"
#include "webrtc/system_wrappers/include/critical_section_wrapper.h"
namespace webrtc {
namespace rtpplayer {
class VcmPayloadSinkFactory::VcmPayloadSink : public PayloadSinkInterface,
public VCMPacketRequestCallback {
public:
VcmPayloadSink(VcmPayloadSinkFactory* factory,
RtpStreamInterface* stream,
rtc::scoped_ptr<VideoCodingModule>* vcm,
rtc::scoped_ptr<FileOutputFrameReceiver>* frame_receiver)
: factory_(factory), stream_(stream), vcm_(), frame_receiver_() {
assert(factory);
assert(stream);
assert(vcm);
assert(vcm->get());
assert(frame_receiver);
assert(frame_receiver->get());
vcm_.swap(*vcm);
frame_receiver_.swap(*frame_receiver);
vcm_->RegisterPacketRequestCallback(this);
vcm_->RegisterReceiveCallback(frame_receiver_.get());
}
virtual ~VcmPayloadSink() { factory_->Remove(this); }
// PayloadSinkInterface
int32_t OnReceivedPayloadData(const uint8_t* payload_data,
const size_t payload_size,
const WebRtcRTPHeader* rtp_header) override {
return vcm_->IncomingPacket(payload_data, payload_size, *rtp_header);
}
bool OnRecoveredPacket(const uint8_t* packet, size_t packet_length) override {
// We currently don't handle FEC.
return true;
}
// VCMPacketRequestCallback
int32_t ResendPackets(const uint16_t* sequence_numbers,
uint16_t length) override {
stream_->ResendPackets(sequence_numbers, length);
return 0;
}
int DecodeAndProcess(bool should_decode, bool decode_dual_frame) {
if (should_decode) {
if (vcm_->Decode() < 0) {
return -1;
}
}
return Process() ? 0 : -1;
}
bool Process() {
if (vcm_->TimeUntilNextProcess() <= 0) {
if (vcm_->Process() < 0) {
return false;
}
}
return true;
}
bool Decode() {
vcm_->Decode(10000);
return true;
}
private:
VcmPayloadSinkFactory* factory_;
RtpStreamInterface* stream_;
rtc::scoped_ptr<VideoCodingModule> vcm_;
rtc::scoped_ptr<FileOutputFrameReceiver> frame_receiver_;
RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(VcmPayloadSink);
};
VcmPayloadSinkFactory::VcmPayloadSinkFactory(
const std::string& base_out_filename,
Clock* clock,
bool protection_enabled,
VCMVideoProtection protection_method,
int64_t rtt_ms,
uint32_t render_delay_ms,
uint32_t min_playout_delay_ms)
: base_out_filename_(base_out_filename),
clock_(clock),
protection_enabled_(protection_enabled),
protection_method_(protection_method),
rtt_ms_(rtt_ms),
render_delay_ms_(render_delay_ms),
min_playout_delay_ms_(min_playout_delay_ms),
null_event_factory_(new NullEventFactory()),
crit_sect_(CriticalSectionWrapper::CreateCriticalSection()),
sinks_() {
assert(clock);
assert(crit_sect_.get());
}
VcmPayloadSinkFactory::~VcmPayloadSinkFactory() {
assert(sinks_.empty());
}
PayloadSinkInterface* VcmPayloadSinkFactory::Create(
RtpStreamInterface* stream) {
assert(stream);
CriticalSectionScoped cs(crit_sect_.get());
rtc::scoped_ptr<VideoCodingModule> vcm(
VideoCodingModule::Create(clock_, null_event_factory_.get()));
if (vcm.get() == NULL) {
return NULL;
}
const PayloadTypes& plt = stream->payload_types();
for (PayloadTypesIterator it = plt.begin(); it != plt.end(); ++it) {
if (it->codec_type() != kVideoCodecULPFEC &&
it->codec_type() != kVideoCodecRED) {
VideoCodec codec;
VideoCodingModule::Codec(it->codec_type(), &codec);
codec.plType = it->payload_type();
if (vcm->RegisterReceiveCodec(&codec, 1) < 0) {
return NULL;
}
}
}
vcm->SetChannelParameters(0, 0, rtt_ms_);
vcm->SetVideoProtection(protection_method_, protection_enabled_);
vcm->SetRenderDelay(render_delay_ms_);
vcm->SetMinimumPlayoutDelay(min_playout_delay_ms_);
vcm->SetNackSettings(kMaxNackListSize, kMaxPacketAgeToNack, 0);
rtc::scoped_ptr<FileOutputFrameReceiver> frame_receiver(
new FileOutputFrameReceiver(base_out_filename_, stream->ssrc()));
rtc::scoped_ptr<VcmPayloadSink> sink(
new VcmPayloadSink(this, stream, &vcm, &frame_receiver));
sinks_.push_back(sink.get());
return sink.release();
}
int VcmPayloadSinkFactory::DecodeAndProcessAll(bool decode_dual_frame) {
CriticalSectionScoped cs(crit_sect_.get());
assert(clock_);
bool should_decode = (clock_->TimeInMilliseconds() % 5) == 0;
for (Sinks::iterator it = sinks_.begin(); it != sinks_.end(); ++it) {
if ((*it)->DecodeAndProcess(should_decode, decode_dual_frame) < 0) {
return -1;
}
}
return 0;
}
bool VcmPayloadSinkFactory::ProcessAll() {
CriticalSectionScoped cs(crit_sect_.get());
for (Sinks::iterator it = sinks_.begin(); it != sinks_.end(); ++it) {
if (!(*it)->Process()) {
return false;
}
}
return true;
}
bool VcmPayloadSinkFactory::DecodeAll() {
CriticalSectionScoped cs(crit_sect_.get());
for (Sinks::iterator it = sinks_.begin(); it != sinks_.end(); ++it) {
if (!(*it)->Decode()) {
return false;
}
}
return true;
}
void VcmPayloadSinkFactory::Remove(VcmPayloadSink* sink) {
assert(sink);
CriticalSectionScoped cs(crit_sect_.get());
Sinks::iterator it = std::find(sinks_.begin(), sinks_.end(), sink);
assert(it != sinks_.end());
sinks_.erase(it);
}
} // namespace rtpplayer
} // namespace webrtc
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