mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-07-02 21:29:43 +00:00
87 lines
2.8 KiB
C++
87 lines
2.8 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/. */
|
|
#if !defined(RtspOmxReader_h_)
|
|
#define RtspOmxReader_h_
|
|
|
|
#include "MediaResource.h"
|
|
#include "MediaDecoderReader.h"
|
|
#include "MediaOmxReader.h"
|
|
|
|
namespace mozilla {
|
|
|
|
namespace dom {
|
|
class TimeRanges;
|
|
}
|
|
|
|
class AbstractMediaDecoder;
|
|
class RtspMediaResource;
|
|
|
|
/* RtspOmxReader is a subclass of MediaOmxReader.
|
|
* The major reason that RtspOmxReader inherit from MediaOmxReader is the
|
|
* same video/audio decoding logic we can reuse.
|
|
*/
|
|
class RtspOmxReader : public MediaOmxReader
|
|
{
|
|
protected:
|
|
// Provide a Rtsp extractor.
|
|
nsresult InitOmxDecoder() final override;
|
|
virtual void EnsureActive() override;
|
|
|
|
public:
|
|
RtspOmxReader(AbstractMediaDecoder* aDecoder)
|
|
: MediaOmxReader(aDecoder)
|
|
, mEnsureActiveFromSeek(false)
|
|
{
|
|
MOZ_COUNT_CTOR(RtspOmxReader);
|
|
NS_ASSERTION(mDecoder, "RtspOmxReader mDecoder is null.");
|
|
NS_ASSERTION(mDecoder->GetResource(),
|
|
"RtspOmxReader mDecoder->GetResource() is null.");
|
|
mRtspResource = mDecoder->GetResource()->GetRtspPointer();
|
|
MOZ_ASSERT(mRtspResource);
|
|
}
|
|
|
|
virtual ~RtspOmxReader() override {
|
|
MOZ_COUNT_DTOR(RtspOmxReader);
|
|
}
|
|
|
|
// Implement a time-based seek instead of byte-based..
|
|
virtual RefPtr<SeekPromise>
|
|
Seek(int64_t aTime, int64_t aEndTime) final override;
|
|
|
|
// Override GetBuffered() to do nothing for below reasons:
|
|
// 1. Because the Rtsp stream is a/v separated. The buffered data in a/v
|
|
// tracks are not consistent with time stamp.
|
|
// For example: audio buffer: 1~2s, video buffer: 1.5~2.5s
|
|
// 2. Since the Rtsp is a realtime streaming, the buffer we made for
|
|
// RtspMediaResource is quite small. The small buffer implies the time ranges
|
|
// we returned are not useful for the MediaDecodeStateMachine. Unlike the
|
|
// ChannelMediaResource, it has a "cache" that can store the whole streaming
|
|
// data so the |GetBuffered| function can retrieve useful time ranges.
|
|
virtual media::TimeIntervals GetBuffered() final override {
|
|
return media::TimeIntervals::Invalid();
|
|
}
|
|
|
|
virtual void SetIdle() override;
|
|
|
|
virtual RefPtr<MediaDecoderReader::MetadataPromise> AsyncReadMetadata()
|
|
override;
|
|
|
|
virtual void HandleResourceAllocated() override;
|
|
|
|
private:
|
|
// A pointer to RtspMediaResource for calling the Rtsp specific function.
|
|
// The lifetime of mRtspResource is controlled by MediaDecoder. MediaDecoder
|
|
// holds the MediaDecoderStateMachine and RtspMediaResource.
|
|
// And MediaDecoderStateMachine holds this RtspOmxReader.
|
|
RtspMediaResource* mRtspResource;
|
|
|
|
bool mEnsureActiveFromSeek;
|
|
};
|
|
|
|
} // namespace mozilla
|
|
|
|
#endif
|