00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
00019
00020
00021
00022
00023
00024
00025
00026
00027
00028
00029
00030
00031 #ifndef OPAL_CODEC_VIDCODEC_H
00032 #define OPAL_CODEC_VIDCODEC_H
00033
00034 #ifdef P_USE_PRAGMA
00035 #pragma interface
00036 #endif
00037
00038 #include <opal/buildopts.h>
00039
00040 #include <opal/transcoders.h>
00041
00042 #if OPAL_VIDEO
00043
00044 #if OPAL_H323
00045 #include <h323/h323caps.h>
00046 #endif
00047
00048 #include <codec/opalplugin.h>
00049
00050
00051 #define OPAL_RGB24 "RGB24"
00052 #define OPAL_RGB32 "RGB32"
00053 #define OPAL_YUV420P "YUV420P"
00054
00055 extern const OpalVideoFormat & GetOpalRGB24();
00056 extern const OpalVideoFormat & GetOpalRGB32();
00057 extern const OpalVideoFormat & GetOpalYUV420P();
00058
00059 #define OpalRGB24 GetOpalRGB24()
00060 #define OpalRGB32 GetOpalRGB32()
00061 #define OpalYUV420P GetOpalYUV420P()
00062
00063
00065
00072 class OpalVideoTranscoder : public OpalTranscoder
00073 {
00074 PCLASSINFO(OpalVideoTranscoder, OpalTranscoder);
00075 public:
00076 typedef PluginCodec_Video_FrameHeader FrameHeader;
00077
00082 OpalVideoTranscoder(
00083 const OpalMediaFormat & inputMediaFormat,
00084 const OpalMediaFormat & outputMediaFormat
00085 );
00087
00103 virtual bool UpdateMediaFormats(
00104 const OpalMediaFormat & inputMediaFormat,
00105 const OpalMediaFormat & outputMediaFormat
00106 );
00107
00114 virtual PINDEX GetOptimalDataFrameSize(
00115 PBoolean input
00116 ) const;
00117
00125 virtual PBoolean ExecuteCommand(
00126 const OpalMediaCommand & command
00127 );
00128
00139 virtual PBoolean Convert(
00140 const RTP_DataFrame & input,
00141 RTP_DataFrame & output
00142 );
00143
00144 #if OPAL_STATISTICS
00145 virtual void GetStatistics(OpalMediaStatistics & statistics) const;
00146 #endif
00147
00148 bool WasLastFrameIFrame() const { return lastFrameWasIFrame; }
00149 void ForceIFrame() { forceIFrame = true; }
00150
00151 PINDEX GetMaxEncoderOutputSize() const { return videoEncoderMaxOutputSize; }
00152
00154
00155 protected:
00156 PINDEX inDataSize;
00157 PINDEX outDataSize;
00158 PINDEX videoEncoderMaxOutputSize;
00159 bool forceIFrame;
00160 bool lastFrameWasIFrame;
00161
00162 #if OPAL_STATISTICS
00163 DWORD m_totalFrames;
00164 DWORD m_keyFrames;
00165 #endif
00166 };
00167
00168
00170
00171 OPAL_DEFINE_MEDIA_COMMAND(OpalVideoFreezePicture, "Freeze Picture");
00172
00173 class OpalVideoUpdatePicture : public OpalMediaCommand
00174 {
00175 PCLASSINFO(OpalVideoUpdatePicture, OpalMediaCommand);
00176 public:
00177 OpalVideoUpdatePicture(int firstGOB = -1, int firstMB = -1, int numBlocks = 0)
00178 : m_firstGOB(firstGOB), m_firstMB(firstMB), m_numBlocks(numBlocks) { }
00179
00180 virtual PString GetName() const;
00181
00182 int GetFirstGOB() const { return m_firstGOB; }
00183 int GetFirstMB() const { return m_firstMB; }
00184 int GetNumBlocks() const { return m_numBlocks; }
00185
00186 protected:
00187 int m_firstGOB;
00188 int m_firstMB;
00189 int m_numBlocks;
00190 };
00191
00192
00193 class OpalTemporalSpatialTradeOff : public OpalMediaCommand
00194 {
00195 PCLASSINFO(OpalTemporalSpatialTradeOff, OpalMediaCommand);
00196 public:
00197 OpalTemporalSpatialTradeOff(int quality) : m_quality(quality) { }
00198
00199 virtual PString GetName() const;
00200
00201 int GetQuality() const { return m_quality; }
00202
00203 protected:
00204 int m_quality;
00205 };
00206
00207
00208 class OpalLostPartialPicture : public OpalMediaCommand
00209 {
00210 PCLASSINFO(OpalLostPartialPicture, OpalMediaCommand);
00211 public:
00212 OpalLostPartialPicture() { }
00213 virtual PString GetName() const;
00214 };
00215
00216
00217 class OpalLostPicture : public OpalMediaCommand
00218 {
00219 PCLASSINFO(OpalLostPicture, OpalMediaCommand);
00220 public:
00221 OpalLostPicture() { }
00222 virtual PString GetName() const;
00223 };
00224
00225
00226 #endif // OPAL_VIDEO
00227
00228 #endif // OPAL_CODEC_VIDCODEC_H
00229