80     VAContextID  trace_context; /* current context */
118     VAContextID context,        /* in */
580     VAContextID *context        /* out */  in va_TraceCreateContext()
650     VAContextID __maybe_unused context,	/* in */  in va_TraceCreateBuffer()
753     VAContextID context,  in va_TraceVABuffers()
799     VAContextID __maybe_unused context,  in va_TraceVAPictureParameterBufferMPEG2()
837     VAContextID __maybe_unused context,  in va_TraceVAIQMatrixBufferMPEG2()
864     VAContextID __maybe_unused context,  in va_TraceVASliceParameterBufferMPEG2()
895     VAContextID __maybe_unused context,  in va_TraceVAPictureParameterBufferJPEG()
920     VAContextID __maybe_unused context,  in va_TraceVAIQMatrixBufferJPEG()
949     VAContextID __maybe_unused context,  in va_TraceVASliceParameterBufferJPEG()
978     VAContextID __maybe_unused context,  in va_TraceVAHuffmanTableBufferJPEG()
1024     VAContextID __maybe_unused context,  in va_TraceVAPictureParameterBufferMPEG4()
1084     VAContextID __maybe_unused context,  in va_TraceVAIQMatrixBufferMPEG4()
1113     VAContextID __maybe_unused context,  in va_TraceVAEncSequenceParameterBufferMPEG4()
1142     VAContextID __maybe_unused context,  in va_TraceVAEncPictureParameterBufferMPEG4()
1169     VAContextID __maybe_unused context,  in va_TraceVASliceParameterBufferMPEG4()
1212     VAContextID __maybe_unused context,  in va_TraceVAPictureParameterBufferH264()
1287     VAContextID __maybe_unused context,  in va_TraceVASliceParameterBufferH264()
1380     VAContextID __maybe_unused context,  in va_TraceVAIQMatrixBufferH264()
1424     VAContextID __maybe_unused context,  in va_TraceVAEncSequenceParameterBufferH264()
1487     VAContextID __maybe_unused context,  in va_TraceVAEncPictureParameterBufferH264()
1550     VAContextID __maybe_unused context,  in va_TraceVAEncSliceParameterBuffer()
1575     VAContextID __maybe_unused context,  in va_TraceVAEncSliceParameterBufferH264()
1693     VAContextID __maybe_unused context,  in va_TraceVAEncPackedHeaderParameterBufferType()
1717     VAContextID context,  in va_TraceVAEncMiscParameterBuffer()
1811     VAContextID context,  in va_TraceVAPictureParameterBufferVC1()
1917     VAContextID __maybe_unused context,  in va_TraceVASliceParameterBufferVC1()
1942     VAContextID __maybe_unused context,  in va_TraceVAEncSequenceParameterBufferVP8()
1976     VAContextID __maybe_unused context,  in va_TraceVAEncPictureParameterBufferVP8()
2046     VAContextID __maybe_unused context,  in va_TraceVAPictureParameterBufferVP8()
2122     VAContextID __maybe_unused context,  in va_TraceVASliceParameterBufferVP8()
2151     VAContextID __maybe_unused context,  in va_TraceVAIQMatrixBufferVP8()
2179     VAContextID __maybe_unused context,  in va_TraceVAProbabilityBufferVP8()
2209     VAContextID __maybe_unused context,  in va_TraceBeginPicture()
2229     VAContextID context,  in va_TraceMPEG2Buf()
2285     VAContextID __maybe_unused context,  in va_TraceVAEncSequenceParameterBufferH263()
2310     VAContextID __maybe_unused context,  in va_TraceVAEncPictureParameterBufferH263()
2334     VAContextID __maybe_unused context,  in va_TraceVAEncPictureParameterBufferJPEG()
2378     VAContextID __maybe_unused context,  in va_TraceVAEncQMatrixBufferJPEG()
2431     VAContextID __maybe_unused context,  in va_TraceVAEncSliceParameterBufferJPEG()
2461     VAContextID __maybe_unused context,  in va_TraceH263Buf()
2526     VAContextID context,  in va_TraceJPEGBuf()
2576     VAContextID context,  in va_TraceMPEG4Buf()
2636     VAContextID context,  in va_TraceH264Buf()
2708     VAContextID context,  in va_TraceVP8Buf()
2772     VAContextID context,  in va_TraceVC1Buf()
2834     VAContextID __maybe_unused context,  in va_TraceProcFilterParameterBufferDeinterlacing()
2850     VAContextID __maybe_unused context,  in va_TraceProcFilterParameterBufferColorBalance()
2866     VAContextID context,  in va_TraceProcFilterParameterBufferBase()
2878     VAContextID context,  in va_TraceProcFilterParameterBuffer()
2943     VAContextID context,  in va_TraceVAProcPipelineParameterBuffer()
3031     VAContextID context,  in va_TraceNoneBuf()
3053     VAContextID __maybe_unused context,  in va_TraceRenderPicture()
3162     VAContextID __maybe_unused context,  in va_TraceEndPicture()