mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
78 lines
2.7 KiB
C++
78 lines
2.7 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(RtspMediaCodecReader_h_)
|
|
#define RtspMediaCodecReader_h_
|
|
|
|
#include "MediaCodecReader.h"
|
|
|
|
namespace mozilla {
|
|
|
|
namespace dom {
|
|
class TimeRanges;
|
|
}
|
|
|
|
class AbstractMediaDecoder;
|
|
class RtspMediaResource;
|
|
|
|
/* RtspMediaCodecReader is a subclass of MediaCodecReader.
|
|
* The major reason that RtspMediaCodecReader inherit from MediaCodecReader is
|
|
* the same video/audio decoding logic we can reuse.
|
|
*/
|
|
class RtspMediaCodecReader MOZ_FINAL : public MediaCodecReader
|
|
{
|
|
protected:
|
|
// Provide a Rtsp extractor.
|
|
virtual bool CreateExtractor() MOZ_OVERRIDE;
|
|
// Ensure the play command is sent to Rtsp server.
|
|
void EnsureActive();
|
|
|
|
public:
|
|
RtspMediaCodecReader(AbstractMediaDecoder* aDecoder);
|
|
|
|
virtual ~RtspMediaCodecReader();
|
|
|
|
// Implement a time-based seek instead of byte-based.
|
|
virtual void Seek(int64_t aTime, int64_t aStartTime, int64_t aEndTime,
|
|
int64_t aCurrentTime) MOZ_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 nsresult GetBuffered(dom::TimeRanges* aBuffered) MOZ_OVERRIDE {
|
|
return NS_OK;
|
|
}
|
|
|
|
virtual void SetIdle() MOZ_OVERRIDE;
|
|
|
|
// Disptach a DecodeVideoFrameTask to decode video data.
|
|
virtual void RequestVideoData(bool aSkipToNextKeyframe,
|
|
int64_t aTimeThreshold) MOZ_OVERRIDE;
|
|
|
|
// Disptach a DecodeAudioDataTask to decode audio data.
|
|
virtual void RequestAudioData() MOZ_OVERRIDE;
|
|
|
|
virtual nsresult ReadMetadata(MediaInfo* aInfo,
|
|
MetadataTags** aTags) MOZ_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 RtspMediaCodecReader.
|
|
RtspMediaResource* mRtspResource;
|
|
};
|
|
|
|
} // namespace mozilla
|
|
|
|
#endif
|