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