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mythcodeccontext.h
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1 // Copyright (c) 2017 MythTV Developers <mythtv-dev@mythtv.org>
3 //
4 // This is part of MythTV (https://www.mythtv.org)
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6 // This program is free software; you can redistribute it and/or modify
7 // it under the terms of the GNU General Public License as published by
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19 //
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24 
25 
26 #ifndef MYTHCODECONTEXT_H
27 #define MYTHCODECONTEXT_H
28 
29 // Qt
30 #include <QMutex>
31 #include <QStringList>
32 #include <QAtomicInt>
33 
34 // MythTV
35 #include "mythtvexp.h"
36 #include "mythcodecid.h"
37 #include "mythframe.h"
38 #include "decoderbase.h"
39 
40 extern "C" {
41 #include "libavcodec/avcodec.h"
42 #include "libavformat/avformat.h"
43 }
44 
45 using CreateHWDecoder = int (*)(AVCodecContext *Context);
46 
47 class MythOpenGLInterop;
49 
51 {
52  public:
54  {
55  NoProfile = 0,
119  MJPEG
120  };
121 
122  explicit MythCodecContext(DecoderBase *Parent, MythCodecID CodecID);
123  virtual ~MythCodecContext() = default;
124 
125  static MythCodecContext* CreateContext (DecoderBase *Parent, MythCodecID Codec);
126  static void GetDecoders (RenderOptions &Opts);
127  static QStringList GetDecoderDescription(void);
128  static MythCodecID FindDecoder (const QString &Decoder, AVStream *Stream,
129  AVCodecContext **Context, AVCodec **Codec);
130  static int GetBuffer (struct AVCodecContext *Context, AVFrame *Frame, int Flags);
131  static bool GetBuffer2 (struct AVCodecContext *Context, VideoFrame *Frame,
132  AVFrame *AvFrame, int Flags);
133  static int InitialiseDecoder (AVCodecContext *Context, CreateHWDecoder Callback, const QString &Debug);
134  static int InitialiseDecoder2 (AVCodecContext *Context, CreateHWDecoder Callback, const QString &Debug);
135  static void ReleaseBuffer (void *Opaque, uint8_t *Data);
136  static void FramesContextFinished (AVHWFramesContext *Context);
137  static void DeviceContextFinished (AVHWDeviceContext *Context);
138  static void CreateDecoderCallback (void *Wait, void *Context, void *Callback);
139  static AVBufferRef* CreateDevice (AVHWDeviceType Type, MythOpenGLInterop *Interop, const QString &Device = QString());
140  static bool IsUnsupportedProfile (AVCodecContext *Context);
141  static QString GetProfileDescription (CodecProfile Profile, QSize Size,
143  static CodecProfile FFmpegToMythProfile(AVCodecID CodecID, int Profile);
144 
145  virtual void InitVideoCodec (AVCodecContext *Context,
146  bool SelectedStream, bool &DirectRendering);
147  virtual int HwDecoderInit (AVCodecContext */*Context*/) { return 0; }
148  virtual bool RetrieveFrame (AVCodecContext */*Context*/, VideoFrame */*Frame*/, AVFrame */*AvFrame*/) { return false; }
149  virtual int FilteredReceiveFrame (AVCodecContext *Context, AVFrame *Frame);
150  virtual void SetDeinterlacing (AVCodecContext */*Context*/, VideoDisplayProfile */*Profile*/, bool /*DoubleRate*/) {}
151  virtual void PostProcessFrame (AVCodecContext */*Context*/, VideoFrame */*Frame*/) {}
152  virtual bool IsDeinterlacing (bool &/*DoubleRate*/, bool /*StreamChange*/ = false) { return false; }
153  virtual void SetDecoderOptions (AVCodecContext */*Context*/, AVCodec */*Codec*/) { }
154  virtual bool DecoderWillResetOnFlush (void) { return false; }
155  virtual bool DecoderWillResetOnAspect(void) { return false; }
156  virtual bool DecoderNeedsReset (AVCodecContext */*Context*/) { return m_resetRequired; }
157 
158  protected:
159  virtual bool RetrieveHWFrame (VideoFrame* Frame, AVFrame* AvFrame);
160  static void DestroyInterop (MythOpenGLInterop *Interop);
161  static void NewHardwareFramesContext(void);
162  static QAtomicInt s_hwFramesContextCount;
163 
164  DecoderBase* m_parent { nullptr };
165  MythCodecID m_codecID { kCodec_NONE };
166  bool m_resetRequired { false };
167 };
168 
169 #endif // MYTHCODECCONTEXT_H
MythCodecContext::VP9_3
@ VP9_3
Definition: mythcodeccontext.h:110
MythCodecContext::VC1Simple
@ VC1Simple
Definition: mythcodeccontext.h:101
MythCodecContext::MPEG4Simple
@ MPEG4Simple
Definition: mythcodeccontext.h:65
MythCodecContext::H264Baseline
@ H264Baseline
Definition: mythcodeccontext.h:83
MythCodecContext::MPEG2Simple
@ MPEG2Simple
Definition: mythcodeccontext.h:58
MythCodecContext::VC1Advanced
@ VC1Advanced
Definition: mythcodeccontext.h:104
MythCodecContext::s_hwFramesContextCount
static QAtomicInt s_hwFramesContextCount
Definition: mythcodeccontext.h:162
MythCodecContext::VP9_1
@ VP9_1
Definition: mythcodeccontext.h:108
MythCodecContext::VP9_0
@ VP9_0
Definition: mythcodeccontext.h:107
MythCodecContext::HEVCMain10
@ HEVCMain10
Definition: mythcodeccontext.h:95
kCodec_NONE
@ kCodec_NONE
Definition: mythcodecid.h:14
MythCodecContext::RetrieveFrame
virtual bool RetrieveFrame(AVCodecContext *, VideoFrame *, AVFrame *)
Definition: mythcodeccontext.h:148
MythCodecContext::MPEG4AdvancedSimple
@ MPEG4AdvancedSimple
Definition: mythcodeccontext.h:80
CreateHWDecoder
int(*)(AVCodecContext *Context) CreateHWDecoder
Definition: mythcodeccontext.h:45
MythCodecContext::CodecProfile
CodecProfile
Definition: mythcodeccontext.h:53
mythtvexp.h
Frame
Definition: zmdefines.h:93
MythCodecContext::MPEG4ScaleableTexture
@ MPEG4ScaleableTexture
Definition: mythcodeccontext.h:70
MythCodecContext::HEVCRext
@ HEVCRext
Definition: mythcodeccontext.h:97
MythCodecContext::VC1Main
@ VC1Main
Definition: mythcodeccontext.h:102
Context
QHash< QString, Action * > Context
Definition: action.h:77
MythDate::Format
Format
Definition: mythdate.h:12
MythCodecContext::AV1High
@ AV1High
Definition: mythcodeccontext.h:117
MythCodecContext::DecoderWillResetOnFlush
virtual bool DecoderWillResetOnFlush(void)
Definition: mythcodeccontext.h:154
mythframe.h
MythCodecContext::VP9_3HDRPlus
@ VP9_3HDRPlus
Definition: mythcodeccontext.h:114
MythCodecContext::MPEG4Main
@ MPEG4Main
Definition: mythcodeccontext.h:68
Device
A device containing images (ie. USB stick, CD, storage group etc)
Definition: imagemanager.cpp:33
MythCodecContext::VP9_2
@ VP9_2
Definition: mythcodeccontext.h:109
VideoFrame
Definition: mythframe.h:137
MythCodecContext::MPEG4AdvancedCore
@ MPEG4AdvancedCore
Definition: mythcodeccontext.h:77
MythCodecContext::HEVCMainStill
@ HEVCMainStill
Definition: mythcodeccontext.h:96
MythCodecContext::DecoderWillResetOnAspect
virtual bool DecoderWillResetOnAspect(void)
Definition: mythcodeccontext.h:155
MythCodecContext::H264Extended
@ H264Extended
Definition: mythcodeccontext.h:89
MythCodecContext::H264ConstrainedBaseline
@ H264ConstrainedBaseline
Definition: mythcodeccontext.h:84
MythCodecContext::VP9_2HDRPlus
@ VP9_2HDRPlus
Definition: mythcodeccontext.h:112
MythCodecContext::VC1Complex
@ VC1Complex
Definition: mythcodeccontext.h:103
FMT_NONE
@ FMT_NONE
Definition: mythframe.h:26
MythCodecContext::MPEG4AdvancedCoding
@ MPEG4AdvancedCoding
Definition: mythcodeccontext.h:76
MythCodecID
MythCodecID
Definition: mythcodecid.h:10
AVFrame
struct AVFrame AVFrame
Definition: BorderDetector.h:15
MythCodecContext::MPEG4SimpleScaleable
@ MPEG4SimpleScaleable
Definition: mythcodeccontext.h:66
Decoder
Definition: decoder.h:65
MythCodecContext::MPEG2High
@ MPEG2High
Definition: mythcodeccontext.h:61
MythCodecContext::MPEG2422
@ MPEG2422
Definition: mythcodeccontext.h:60
RenderOptions
Definition: videodisplayprofile.h:27
MythCodecContext::MPEG4CoreScaleable
@ MPEG4CoreScaleable
Definition: mythcodeccontext.h:75
MythOpenGLInterop
Definition: mythopenglinterop.h:23
MythCodecContext::H264MainExtended
@ H264MainExtended
Definition: mythcodeccontext.h:86
MythCodecContext::MPEG2SNR
@ MPEG2SNR
Definition: mythcodeccontext.h:63
MythCodecContext::MPEG4AdvancedScaleableTexture
@ MPEG4AdvancedScaleableTexture
Definition: mythcodeccontext.h:78
MythCodecContext::IsDeinterlacing
virtual bool IsDeinterlacing(bool &, bool=false)
Definition: mythcodeccontext.h:152
MythCodecContext::PostProcessFrame
virtual void PostProcessFrame(AVCodecContext *, VideoFrame *)
Definition: mythcodeccontext.h:151
MythCodecContext::VP9
@ VP9
Definition: mythcodeccontext.h:106
MythCodecContext::H264Main
@ H264Main
Definition: mythcodeccontext.h:85
MythCodecContext::H264High422
@ H264High422
Definition: mythcodeccontext.h:90
MythCodecContext::DecoderNeedsReset
virtual bool DecoderNeedsReset(AVCodecContext *)
Definition: mythcodeccontext.h:156
MythCodecContext::AV1Professional
@ AV1Professional
Definition: mythcodeccontext.h:118
mythcodecid.h
MythCodecContext::MPEG4SimpleStudio
@ MPEG4SimpleStudio
Definition: mythcodeccontext.h:79
MythCodecContext::HEVCMain10HDRPlus
@ HEVCMain10HDRPlus
Definition: mythcodeccontext.h:99
MythCodecContext::MPEG4
@ MPEG4
Definition: mythcodeccontext.h:64
MythCodecContext::MPEG1
@ MPEG1
Definition: mythcodeccontext.h:56
MythCodecContext::HEVC
@ HEVC
Definition: mythcodeccontext.h:93
MythCodecContext::HwDecoderInit
virtual int HwDecoderInit(AVCodecContext *)
Definition: mythcodeccontext.h:147
MythCodecContext::AV1
@ AV1
Definition: mythcodeccontext.h:115
MythCodecContext::H263
@ H263
Definition: mythcodeccontext.h:81
uint
unsigned int uint
Definition: compat.h:140
MythCodecContext::MPEG4SimpleFace
@ MPEG4SimpleFace
Definition: mythcodeccontext.h:71
MythCodecContext::MPEG2Spatial
@ MPEG2Spatial
Definition: mythcodeccontext.h:62
MythCodecContext::MPEG2
@ MPEG2
Definition: mythcodeccontext.h:57
MythCodecContext::VP9_3HDR
@ VP9_3HDR
Definition: mythcodeccontext.h:113
MythCodecContext::H264High444
@ H264High444
Definition: mythcodeccontext.h:91
MTV_PUBLIC
#define MTV_PUBLIC
Definition: mythtvexp.h:15
MythCodecContext::HEVCMain10HDR
@ HEVCMain10HDR
Definition: mythcodeccontext.h:98
VideoDisplayProfile
Definition: videodisplayprofile.h:69
MythCodecContext::SetDeinterlacing
virtual void SetDeinterlacing(AVCodecContext *, VideoDisplayProfile *, bool)
Definition: mythcodeccontext.h:150
MythCodecContext::MPEG4NBit
@ MPEG4NBit
Definition: mythcodeccontext.h:69
ColorDepth
int ColorDepth(int Format)
Return the color depth for the given MythTV frame format.
Definition: mythframe.cpp:808
MythCodecContext::MPEG2Main
@ MPEG2Main
Definition: mythcodeccontext.h:59
MythCodecContext::VC1
@ VC1
Definition: mythcodeccontext.h:100
decoderbase.h
MythCodecContext::MPEG4BasicAnimated
@ MPEG4BasicAnimated
Definition: mythcodeccontext.h:72
MythCodecContext::AV1Main
@ AV1Main
Definition: mythcodeccontext.h:116
MythCodecContext::MPEG4Hybrid
@ MPEG4Hybrid
Definition: mythcodeccontext.h:73
MythCodecContext
Definition: mythcodeccontext.h:50
VideoFrameType
VideoFrameType
Definition: mythframe.h:24
MythCodecContext::H264High
@ H264High
Definition: mythcodeccontext.h:87
MythCodecContext::VP9_2HDR
@ VP9_2HDR
Definition: mythcodeccontext.h:111
MythCodecContext::MPEG4AdvancedRT
@ MPEG4AdvancedRT
Definition: mythcodeccontext.h:74
MythCodecContext::SetDecoderOptions
virtual void SetDecoderOptions(AVCodecContext *, AVCodec *)
Definition: mythcodeccontext.h:153
MythCodecContext::MPEG4Core
@ MPEG4Core
Definition: mythcodeccontext.h:67
MythCodecContext::H264ConstrainedHigh
@ H264ConstrainedHigh
Definition: mythcodeccontext.h:92
MythCodecContext::HEVCMain
@ HEVCMain
Definition: mythcodeccontext.h:94
DecoderBase
Definition: decoderbase.h:119
MythCodecContext::VP8
@ VP8
Definition: mythcodeccontext.h:105
MythCodecContext::H264High10
@ H264High10
Definition: mythcodeccontext.h:88
MythCodecContext::H264
@ H264
Definition: mythcodeccontext.h:82