gecko-dev/dom/media/omx/RtspMediaCodecReader.cpp

116 lines
3.0 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "RtspMediaCodecReader.h"
#include "RtspExtractor.h"
#include "RtspMediaResource.h"
#include "RtspMediaCodecDecoder.h"
using namespace android;
namespace mozilla {
RtspMediaCodecReader::RtspMediaCodecReader(AbstractMediaDecoder* aDecoder)
: MediaCodecReader(aDecoder)
{
NS_ASSERTION(mDecoder, "RtspMediaCodecReader mDecoder is null.");
NS_ASSERTION(mDecoder->GetResource(),
"RtspMediaCodecReader mDecoder->GetResource() is null.");
mRtspResource = mDecoder->GetResource()->GetRtspPointer();
MOZ_ASSERT(mRtspResource);
}
RtspMediaCodecReader::~RtspMediaCodecReader() {}
bool
RtspMediaCodecReader::CreateExtractor()
{
if (mExtractor != nullptr) {
return true;
}
mExtractor = new RtspExtractor(mRtspResource);
return mExtractor != nullptr;
}
RefPtr<MediaDecoderReader::SeekPromise>
RtspMediaCodecReader::Seek(int64_t aTime, int64_t aEndTime)
{
// The seek function of Rtsp is time-based, we call the SeekTime function in
// RtspMediaResource. The SeekTime function finally send a seek command to
// Rtsp stream server through network and also clear the buffer data in
// RtspMediaResource.
mRtspResource->SeekTime(aTime);
return MediaCodecReader::Seek(aTime, aEndTime);
}
void
RtspMediaCodecReader::SetIdle()
{
nsIStreamingProtocolController* controller =
mRtspResource->GetMediaStreamController();
if (controller) {
controller->Pause();
}
mRtspResource->SetSuspend(true);
}
void
RtspMediaCodecReader::EnsureActive()
{
// Need to start RTSP streaming OMXCodec decoding.
nsIStreamingProtocolController* controller =
mRtspResource->GetMediaStreamController();
if (controller) {
controller->Play();
}
mRtspResource->SetSuspend(false);
}
RefPtr<MediaDecoderReader::AudioDataPromise>
RtspMediaCodecReader::RequestAudioData()
{
EnsureActive();
return MediaCodecReader::RequestAudioData();
}
RefPtr<MediaDecoderReader::VideoDataPromise>
RtspMediaCodecReader::RequestVideoData(bool aSkipToNextKeyframe,
int64_t aTimeThreshold)
{
EnsureActive();
return MediaCodecReader::RequestVideoData(aSkipToNextKeyframe, aTimeThreshold);
}
RefPtr<MediaDecoderReader::MetadataPromise>
RtspMediaCodecReader::AsyncReadMetadata()
{
mRtspResource->DisablePlayoutDelay();
EnsureActive();
RefPtr<MediaDecoderReader::MetadataPromise> p =
MediaCodecReader::AsyncReadMetadata();
// Send a PAUSE to the RTSP server because the underlying media resource is
// not ready.
SetIdle();
return p;
}
void
RtspMediaCodecReader::HandleResourceAllocated()
{
EnsureActive();
MediaCodecReader::HandleResourceAllocated();
mRtspResource->EnablePlayoutDelay();;
}
} // namespace mozilla