mirror of
https://github.com/classilla/tenfourfox.git
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113 lines
3.4 KiB
C++
113 lines
3.4 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 "RtspOmxReader.h"
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#include "AbstractMediaDecoder.h"
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#include "MediaDecoderStateMachine.h"
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#include "OmxDecoder.h"
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#include "RtspExtractor.h"
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#include "RtspMediaResource.h"
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#include "RtspOmxDecoder.h"
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using namespace android;
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namespace mozilla {
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nsresult RtspOmxReader::InitOmxDecoder()
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{
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if (!mOmxDecoder.get()) {
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NS_ASSERTION(mDecoder, "RtspOmxReader mDecoder is null.");
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NS_ASSERTION(mDecoder->GetResource(),
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"RtspOmxReader mDecoder->GetResource() is null.");
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mExtractor = new RtspExtractor(mRtspResource);
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mOmxDecoder = new OmxDecoder(mDecoder, OwnerThread());
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if (!mOmxDecoder->Init(mExtractor)) {
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return NS_ERROR_FAILURE;
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}
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}
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return NS_OK;
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}
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RefPtr<MediaDecoderReader::SeekPromise>
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RtspOmxReader::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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if (mRtspResource) {
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mRtspResource->SeekTime(aTime);
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mRtspResource->EnablePlayoutDelay();
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}
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// Call |MediaOmxReader::Seek| to notify the OMX decoder we are performing a
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// seek operation. The function will clear the |mVideoQueue| and |mAudioQueue|
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// that store the decoded data and also call the |DecodeToTarget| to pass
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// the seek time to OMX a/v decoders.
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mEnsureActiveFromSeek = true;
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return MediaOmxReader::Seek(aTime, aEndTime);
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}
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void RtspOmxReader::SetIdle() {
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// Call parent class to set OMXCodec idle.
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MediaOmxReader::SetIdle();
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// Need to pause RTSP streaming OMXCodec decoding.
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if (mRtspResource) {
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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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}
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void RtspOmxReader::EnsureActive() {
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// Need to start RTSP streaming OMXCodec decoding.
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if (mRtspResource) {
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nsIStreamingProtocolController* controller =
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mRtspResource->GetMediaStreamController();
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// We do not have to call Play if the EnsureActive request is from Seek
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// operation because RTSP connection must already be established before
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// performing Seek.
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if (controller && !mEnsureActiveFromSeek) {
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controller->Play();
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}
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mEnsureActiveFromSeek = false;
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mRtspResource->SetSuspend(false);
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}
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// Call parent class to set OMXCodec active.
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MediaOmxReader::EnsureActive();
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}
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RefPtr<MediaDecoderReader::MetadataPromise>
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RtspOmxReader::AsyncReadMetadata()
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{
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// Send a PLAY command to the RTSP server before reading metadata.
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// Because we might need some decoded samples to ensure we have configuration.
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mRtspResource->DisablePlayoutDelay();
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RefPtr<MediaDecoderReader::MetadataPromise> p =
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MediaOmxReader::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 RtspOmxReader::HandleResourceAllocated()
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{
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MediaOmxReader::HandleResourceAllocated();
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mRtspResource->EnablePlayoutDelay();
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}
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} // namespace mozilla
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