merge vatrace

Signed-off-by: Austin Yuan <shengquan.yuan@gmail.com>

4 files changed, 1161 insertions, 52 deletions

diff --git a/va/Makefile.am b/va/Makefile.am
index aeaf82f..fd94382 100644
--- a/va/Makefile.am
+++ b/va/Makefile.am
@@ -42,7 +42,7 @@ libva_x11_la_DEPENDENCIES = $(libvacorelib) x11/libva_x11.la
 
 SUBDIRS = x11
 
-libva_la_SOURCES = va.c
+libva_la_SOURCES = va.c va_trace.c
 
 libvaincludedir = ${includedir}/va
 libvainclude_HEADERS = va.h va_x11.h va_backend.h va_version.h
diff --git a/va/va.c b/va/va.c
index c8e036e..a674bd9 100644
--- a/va/va.c
+++ b/va/va.c
@@ -23,7 +23,6 @@
  */
 
 #define _GNU_SOURCE 1
-
 #include "va.h"
 #include "va_backend.h"
 
@@ -48,9 +47,12 @@
 #define CHECK_MAXIMUM(s, ctx, var) if (!va_checkMaximum(ctx->max_##var, #var)) s = VA_STATUS_ERROR_UNKNOWN;
 #define CHECK_STRING(s, ctx, var) if (!va_checkString(ctx->str_##var, #var)) s = VA_STATUS_ERROR_UNKNOWN;
 
-#define TRACE(func) if (va_debug_trace) va_infoMessage("[TR] %s\n", #func);
-
-static int va_debug_trace = 0;
+extern int trace_flag;
+#define VA_TRACE(trace_func,...)                \
+    if (trace_flag) {                           \
+        va_TraceMsg("========%s========\n", __func__);   \
+        trace_func(__VA_ARGS__);                \
+    }
 
 static int vaDisplayIsValid(VADisplay dpy)
 {
@@ -329,7 +331,7 @@ VAStatus vaInitialize (
   
   CHECK_DISPLAY(dpy);
 
-  va_debug_trace = (getenv("LIBVA_DEBUG_TRACE") != NULL);
+  va_TraceInit();
 
   va_infoMessage("libva version %s\n", VA_VERSION_S);
 
@@ -374,6 +376,9 @@ VAStatus vaTerminate (
 
   if (VA_STATUS_SUCCESS == vaStatus)
       pDisplayContext->vaDestroy(pDisplayContext);
+
+  va_TraceEnd();
+
   return vaStatus;
 }
 
@@ -441,7 +446,6 @@ VAStatus vaQueryConfigEntrypoints (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaQueryConfigEntrypoints);
   return ctx->vtable.vaQueryConfigEntrypoints ( ctx, profile, entrypoints, num_entrypoints);
 }
 
@@ -457,7 +461,6 @@ VAStatus vaGetConfigAttributes (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaGetConfigAttributes);
   return ctx->vtable.vaGetConfigAttributes ( ctx, profile, entrypoint, attrib_list, num_attribs );
 }
 
@@ -471,7 +474,6 @@ VAStatus vaQueryConfigProfiles (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaQueryConfigProfiles);
   return ctx->vtable.vaQueryConfigProfiles ( ctx, profile_list, num_profiles );
 }
 
@@ -488,7 +490,7 @@ VAStatus vaCreateConfig (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaCreateConfig);
+  VA_TRACE(va_TraceCreateConfig, dpy, profile, entrypoint, attrib_list, num_attribs, config_id);
   return ctx->vtable.vaCreateConfig ( ctx, profile, entrypoint, attrib_list, num_attribs, config_id );
 }
 
@@ -501,7 +503,6 @@ VAStatus vaDestroyConfig (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaDestroyConfig);
   return ctx->vtable.vaDestroyConfig ( ctx, config_id );
 }
 
@@ -518,7 +519,6 @@ VAStatus vaQueryConfigAttributes (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaQueryConfigAttributes);
   return ctx->vtable.vaQueryConfigAttributes( ctx, config_id, profile, entrypoint, attrib_list, num_attribs);
 }
 
@@ -535,7 +535,7 @@ VAStatus vaCreateSurfaces (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaCreateSurfaces);
+  VA_TRACE(va_TraceCreateSurface, dpy, width, height, format, num_surfaces, surfaces);
   return ctx->vtable.vaCreateSurfaces( ctx, width, height, format, num_surfaces, surfaces );
 }
 
@@ -550,7 +550,6 @@ VAStatus vaDestroySurfaces (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaDestroySurfaces);
   return ctx->vtable.vaDestroySurfaces( ctx, surface_list, num_surfaces );
 }
 
@@ -569,7 +568,7 @@ VAStatus vaCreateContext (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaCreateContext);
+  VA_TRACE(va_TraceCreateContext, dpy, config_id, picture_width, picture_height, flag, render_targets, num_render_targets, context);
   return ctx->vtable.vaCreateContext( ctx, config_id, picture_width, picture_height,
                                       flag, render_targets, num_render_targets, context );
 }
@@ -583,7 +582,6 @@ VAStatus vaDestroyContext (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaDestroyContext);
   return ctx->vtable.vaDestroyContext( ctx, context );
 }
 
@@ -601,7 +599,6 @@ VAStatus vaCreateBuffer (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaCreateBuffer);
   return ctx->vtable.vaCreateBuffer( ctx, context, type, size, num_elements, data, buf_id);
 }
 
@@ -615,7 +612,6 @@ VAStatus vaBufferSetNumElements (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaBufferSetNumElements);
   return ctx->vtable.vaBufferSetNumElements( ctx, buf_id, num_elements );
 }
 
@@ -630,7 +626,6 @@ VAStatus vaMapBuffer (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaMapBuffer);
   return ctx->vtable.vaMapBuffer( ctx, buf_id, pbuf );
 }
 
@@ -643,7 +638,6 @@ VAStatus vaUnmapBuffer (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaUnmapBuffer);
   return ctx->vtable.vaUnmapBuffer( ctx, buf_id );
 }
 
@@ -656,10 +650,28 @@ VAStatus vaDestroyBuffer (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaDestroyBuffer);
   return ctx->vtable.vaDestroyBuffer( ctx, buffer_id );
 }
 
+VAStatus vaBufferInfo (
+    VADisplay dpy,
+    VAContextID context,	/* in */
+    VABufferID buf_id,		/* in */
+    VABufferType *type,		/* out */
+    unsigned int *size,		/* out */
+    unsigned int *num_elements	/* out */
+)
+{
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  if (ctx->vtable.vaBufferInfo)
+      return ctx->vtable.vaBufferInfo( ctx, context, buf_id, type, size, num_elements );
+  else
+      return VA_STATUS_ERROR_UNIMPLEMENTED;
+}
+
 VAStatus vaBeginPicture (
     VADisplay dpy,
     VAContextID context,
@@ -670,7 +682,7 @@ VAStatus vaBeginPicture (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaBeginPicture);
+  VA_TRACE(va_TraceBeginPicture, ctx, context, render_target);
   return ctx->vtable.vaBeginPicture( ctx, context, render_target );
 }
 
@@ -685,7 +697,7 @@ VAStatus vaRenderPicture (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaRenderPicture);
+  VA_TRACE(va_TraceRenderPicture, dpy, context, buffers, num_buffers);
   return ctx->vtable.vaRenderPicture( ctx, context, buffers, num_buffers );
 }
 
@@ -698,7 +710,7 @@ VAStatus vaEndPicture (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaEndPicture);
+  VA_TRACE(va_TraceEndPicture, dpy, context);
   return ctx->vtable.vaEndPicture( ctx, context );
 }
 
@@ -711,7 +723,6 @@ VAStatus vaSyncSurface (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaSyncSurface);
   return ctx->vtable.vaSyncSurface( ctx, render_target );
 }
 
@@ -725,7 +736,6 @@ VAStatus vaQuerySurfaceStatus (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaQuerySurfaceStatus);
   return ctx->vtable.vaQuerySurfaceStatus( ctx, render_target, status );
 }
 
@@ -750,7 +760,6 @@ VAStatus vaPutSurface (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaPutSurface);
   return ctx->vtable.vaPutSurface( ctx, surface, draw, srcx, srcy, srcw, srch,
                                    destx, desty, destw, desth,
                                    cliprects, number_cliprects, flags );
@@ -777,7 +786,6 @@ VAStatus vaQueryImageFormats (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaQueryImageFormats);
   return ctx->vtable.vaQueryImageFormats ( ctx, format_list, num_formats);
 }
 
@@ -801,7 +809,6 @@ VAStatus vaCreateImage (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaCreateImage);
   return ctx->vtable.vaCreateImage ( ctx, format, width, height, image);
 }
 
@@ -817,7 +824,6 @@ VAStatus vaDestroyImage (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaDestroyImage);
   return ctx->vtable.vaDestroyImage ( ctx, image);
 }
 
@@ -831,7 +837,6 @@ VAStatus vaSetImagePalette (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaSetImagePalette);
   return ctx->vtable.vaSetImagePalette ( ctx, image, palette);
 }
 
@@ -853,7 +858,6 @@ VAStatus vaGetImage (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaGetImage);
   return ctx->vtable.vaGetImage ( ctx, surface, x, y, width, height, image);
 }
 
@@ -879,7 +883,6 @@ VAStatus vaPutImage (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaPutImage);
   return ctx->vtable.vaPutImage ( ctx, surface, image, src_x, src_y, src_width, src_height, dest_x, dest_y, dest_width, dest_height );
 }
 
@@ -924,7 +927,6 @@ VAStatus vaDeriveImage (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaDeriveImage);
   return ctx->vtable.vaDeriveImage ( ctx, surface, image );
 }
 
@@ -958,7 +960,6 @@ VAStatus vaQuerySubpictureFormats (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaQuerySubpictureFormats);
   return ctx->vtable.vaQuerySubpictureFormats ( ctx, format_list, flags, num_formats);
 }
 
@@ -975,7 +976,6 @@ VAStatus vaCreateSubpicture (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaCreateSubpicture);
   return ctx->vtable.vaCreateSubpicture ( ctx, image, subpicture );
 }
 
@@ -991,7 +991,6 @@ VAStatus vaDestroySubpicture (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaDestroySubpicture);
   return ctx->vtable.vaDestroySubpicture ( ctx, subpicture);
 }
 
@@ -1005,7 +1004,6 @@ VAStatus vaSetSubpictureImage (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaSetSubpictureImage);
   return ctx->vtable.vaSetSubpictureImage ( ctx, subpicture, image);
 }
 
@@ -1026,7 +1024,6 @@ VAStatus vaSetSubpictureChromakey (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaSetSubpictureChromakey);
   return ctx->vtable.vaSetSubpictureChromakey ( ctx, subpicture, chromakey_min, chromakey_max, chromakey_mask );
 }
 
@@ -1046,7 +1043,6 @@ VAStatus vaSetSubpictureGlobalAlpha (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaSetSubpictureGlobalAlpha);
   return ctx->vtable.vaSetSubpictureGlobalAlpha ( ctx, subpicture, global_alpha );
 }
 
@@ -1081,7 +1077,6 @@ VAStatus vaAssociateSubpicture (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaAssociateSubpicture);
   return ctx->vtable.vaAssociateSubpicture ( ctx, subpicture, target_surfaces, num_surfaces, src_x, src_y, src_width, src_height, dest_x, dest_y, dest_width, dest_height, flags );
 }
 
@@ -1099,7 +1094,6 @@ VAStatus vaDeassociateSubpicture (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaDeassociateSubpicture);
   return ctx->vtable.vaDeassociateSubpicture ( ctx, subpicture, target_surfaces, num_surfaces );
 }
 
@@ -1131,7 +1125,6 @@ VAStatus vaQueryDisplayAttributes (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaQueryDisplayAttributes);
   return ctx->vtable.vaQueryDisplayAttributes ( ctx, attr_list, num_attributes );
 }
 
@@ -1151,7 +1144,6 @@ VAStatus vaGetDisplayAttributes (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaGetDisplayAttributes);
   return ctx->vtable.vaGetDisplayAttributes ( ctx, attr_list, num_attributes );
 }
 
@@ -1171,7 +1163,6 @@ VAStatus vaSetDisplayAttributes (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaSetDisplayAttributes);
   return ctx->vtable.vaSetDisplayAttributes ( ctx, attr_list, num_attributes );
 }
 
@@ -1193,12 +1184,10 @@ VAStatus vaCreateSurfaceFromCIFrame (
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaCreateSurfacesFromCIFrame);
-
   if (ctx->vtable.vaCreateSurfaceFromCIFrame)
       return ctx->vtable.vaCreateSurfaceFromCIFrame( ctx, frame_id, surface );
   else
-      return VA_STATUS_ERROR_UNKNOWN;
+      return VA_STATUS_ERROR_UNIMPLEMENTED;
 }
 
 
@@ -1226,8 +1215,6 @@ VAStatus vaCreateSurfaceFromV4L2Buf(
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vtable.vaCreateSurfaceFromV4L2Buf);
-
   if (ctx->vtable.vaCreateSurfaceFromV4L2Buf) 
       return ctx->vtable.vaCreateSurfaceFromV4L2Buf( ctx, v4l2_fd, v4l2_fmt, v4l2_buf, surface );
   else
@@ -1255,9 +1242,8 @@ VAStatus vaCopySurfaceToBuffer(VADisplay dpy,
   CHECK_DISPLAY(dpy);
   ctx = CTX(dpy);
 
-  TRACE(vaCopySurfaceToBuffer);
   if (ctx->vtable.vaCopySurfaceToBuffer)
       return ctx->vtable.vaCopySurfaceToBuffer( ctx, surface, fourcc, luma_stride, chroma_u_stride, chroma_v_stride, luma_offset, chroma_u_offset, chroma_v_offset, buffer);
   else
-      return VA_STATUS_ERROR_UNKNOWN;
+      return VA_STATUS_ERROR_UNIMPLEMENTED;
 }
diff --git a/va/va_backend.h b/va/va_backend.h
index ff86744..fb1231c 100644
--- a/va/va_backend.h
+++ b/va/va_backend.h
@@ -352,6 +352,16 @@ struct VADriverVTable
                 struct v4l2_buffer *v4l2_buf,       /* V4L2 buffer */
                 VASurfaceID *surface	           /* out */
         );
+
+        VAStatus (*vaBufferInfo) (
+                   VADriverContextP ctx,
+                   VAContextID context, /* in */
+                   VABufferID buf_id, /* in */
+                   VABufferType *type,    /* out */
+                   unsigned int *size,    /* out */
+                   unsigned int *num_elements /* out */
+        );
+
     
         VAStatus (*vaCopySurfaceToBuffer) (
 		VADriverContextP ctx,
diff --git a/va/va_trace.c b/va/va_trace.c
new file mode 100644
index 0000000..9242b52
--- /dev/null
+++ b/va/va_trace.c
@@ -0,0 +1,1113 @@
+/*
+ * Copyright (c) 2009 Intel Corporation. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#define _GNU_SOURCE 1
+#include "va.h"
+#include "va_backend.h"
+
+#include <assert.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+#include <dlfcn.h>
+#include <unistd.h>
+
+unsigned int trace_flag = 0;
+
+static const char *trace_file = 0;
+static FILE *trace_fp = 0;
+
+static VASurfaceID  trace_rendertarget; /* current render target */
+static VAProfile trace_profile; /* current entrypoint for buffers */
+
+static unsigned int trace_frame;
+static unsigned int trace_slice;
+
+static unsigned int trace_width;
+static unsigned int trace_height;
+
+int va_TraceInit(void)
+{
+    trace_file = getenv("LIBVA_TRACE");
+    if (trace_file) {
+	trace_fp = fopen(trace_file, "w");
+        if (trace_fp)
+            trace_flag = 1;
+    }
+}
+
+int va_TraceEnd(void)
+{
+    if (trace_file && trace_fp) {
+        fclose(trace_fp);
+
+        trace_file = NULL;
+        trace_fp = NULL;
+
+        trace_flag = 0;
+
+        trace_width = 0;
+        trace_height = 0;
+    }
+}
+
+int va_TraceMsg(const char *msg, ...)
+{
+    va_list args;
+    
+    if (msg)  {
+        va_start(args, msg);
+        vfprintf(trace_fp, msg, args);
+        va_end(args);
+    } else  {
+        fflush(trace_fp);
+    }
+}
+
+
+int va_TraceCreateConfig(
+    VADisplay dpy,
+    VAProfile profile, 
+    VAEntrypoint entrypoint, 
+    VAConfigAttrib *attrib_list,
+    int num_attribs,
+    VAConfigID *config_id /* out */
+                         )
+{
+    int i;
+    
+    va_TraceMsg("\tprofile = %d\n", profile);
+    va_TraceMsg("\tentrypoint = %d\n", entrypoint);
+    va_TraceMsg("\tnum_attribs = %d\n", num_attribs);
+    for (i = 0; i < num_attribs; i++) {
+	va_TraceMsg("\t\tattrib_list[%d].type = 0x%08x\n", i, attrib_list[i].type);
+        va_TraceMsg("\t\tattrib_list[%d].value = 0x%08x\n", i, attrib_list[i].value);
+    }
+
+    trace_profile = profile;
+}
+
+
+int va_TraceCreateSurface(
+    VADisplay dpy,
+    int width,
+    int height,
+    int format,
+    int num_surfaces,
+    VASurfaceID *surfaces	/* out */
+                          )
+{
+    int i;
+    
+    va_TraceMsg("\twidth = %d\n", width);
+    va_TraceMsg("\theight = %d\n", height);
+    va_TraceMsg("\tformat = %d\n", format);
+    va_TraceMsg("\tnum_surfaces = %d\n", num_surfaces);
+
+    for (i = 0; i < num_surfaces; i++)
+        va_TraceMsg("\t\tsurfaces[%d] = 0x%08x\n", i, surfaces[i]);
+}
+
+
+int va_TraceCreateContext(
+    VADisplay dpy,
+    VAConfigID config_id,
+    int picture_width,
+    int picture_height,
+    int flag,
+    VASurfaceID *render_targets,
+    int num_render_targets,
+    VAContextID *context		/* out */
+                          )
+{
+    int i;
+
+    va_TraceMsg("\twidth = %d\n", picture_width);
+    va_TraceMsg("\theight = %d\n", picture_height);
+    va_TraceMsg("\tflag = 0x%08x\n", flag);
+    va_TraceMsg("\tnum_render_targets = %d\n", num_render_targets);
+    for (i=0; i<num_render_targets; i++)
+        va_TraceMsg("\t\trender_targets[%d] = 0x%08x\n", i, render_targets[i]);
+    va_TraceMsg("\tcontext = 0x%08x\n", context);
+
+
+    trace_frame = 0;
+    trace_slice = 0;
+
+    trace_width = picture_width;
+    trace_height = picture_height;
+}
+
+
+static char * buffer_type_to_string(int type)
+{
+    switch (type) {
+    case VAPictureParameterBufferType: return "VAPictureParameterBufferType";
+    case VAIQMatrixBufferType: return "VAIQMatrixBufferType";
+    case VABitPlaneBufferType: return "VABitPlaneBufferType";
+    case VASliceGroupMapBufferType: return "VASliceGroupMapBufferType";
+    case VASliceParameterBufferType: return "VASliceParameterBufferType";
+    case VASliceDataBufferType: return "VASliceDataBufferType";
+    case VAProtectedSliceDataBufferType: return "VAProtectedSliceDataBufferType";
+    case VAMacroblockParameterBufferType: return "VAMacroblockParameterBufferType";
+    case VAResidualDataBufferType: return "VAResidualDataBufferType";
+    case VADeblockingParameterBufferType: return "VADeblockingParameterBufferType";
+    case VAImageBufferType: return "VAImageBufferType";
+    case VAEncCodedBufferType: return "VAEncCodedBufferType";
+    case VAEncSequenceParameterBufferType: return "VAEncSequenceParameterBufferType";
+    case VAEncPictureParameterBufferType: return "VAEncPictureParameterBufferType";
+    case VAEncSliceParameterBufferType: return "VAEncSliceParameterBufferType";
+    default: return "UnknowBuffer";
+    }
+}
+
+
+static int va_TraceVABuffers(
+    VADisplay dpy,
+    VAContextID context,
+    VABufferID buffer,
+    VABufferType type,
+    unsigned int size,
+    unsigned int num_elements,
+    void *pbuf
+                             )
+{
+    int i;
+    char *p = pbuf;
+    unsigned int *pi = (unsigned int *)pbuf;
+
+    va_TraceMsg("***Buffer Data***");
+    for (i=0; i<size; i++) {
+        if ((i%16) == 0)
+            va_TraceMsg("\n0x%08x:", i);
+        va_TraceMsg("%08x ", p[i]);
+    }
+
+    va_TraceMsg("\n");
+    return 0;
+}
+
+
+static void va_TraceVAPictureParameterBufferMPEG2(
+    VADisplay dpy,
+    VAContextID context,
+    VABufferID buffer,
+    VABufferType type,
+    unsigned int size,
+    unsigned int num_elements,
+    void *data)
+{
+    va_TraceVABuffers(dpy, context, buffer, type, size, num_elements, data);
+    
+    return;
+}
+
+
+static void va_TraceVAIQMatrixBufferMPEG2(
+    VADisplay dpy,
+    VAContextID context,
+    VABufferID buffer,
+    VABufferType type,
+    unsigned int size,
+    unsigned int num_elements,
+    void *data)
+{
+    va_TraceVABuffers(dpy, context, buffer, type, size, num_elements, data);
+    
+    return;
+}
+
+
+static void va_TraceVASliceParameterBufferMPEG2(
+    VADisplay dpy,
+    VAContextID context,
+    VABufferID buffer,
+    VABufferType type,
+    unsigned int size,
+    unsigned int num_elements,
+    void *data)
+{
+    va_TraceVABuffers(dpy, context, buffer, type, size, num_elements, data);
+    
+    return;
+}
+
+
+
+static void va_TraceVAPictureParameterBufferMPEG4(
+    VADisplay dpy,
+    VAContextID context,
+    VABufferID buffer,
+    VABufferType type,
+    unsigned int size,
+    unsigned int num_elements,
+    void *data)
+{
+    va_TraceVABuffers(dpy, context, buffer, type, size, num_elements, data);
+    
+    return;
+}
+
+
+static void va_TraceVAIQMatrixBufferMPEG4(
+    VADisplay dpy,
+    VAContextID context,
+    VABufferID buffer,
+    VABufferType type,
+    unsigned int size,
+    unsigned int num_elements,
+    void *data)
+{
+    va_TraceVABuffers(dpy, context, buffer, type, size, num_elements, data);
+    
+    return;
+}
+
+
+static void va_TraceVASliceParameterBufferMPEG4(
+    VADisplay dpy,
+    VAContextID context,
+    VABufferID buffer,
+    VABufferType type,
+    unsigned int size,
+    unsigned int num_elements,
+    void *data)
+{
+    va_TraceVABuffers(dpy, context, buffer, type, size, num_elements, data);
+    
+    return;
+}
+
+
+static void va_TraceVAPictureParameterBufferH264(
+    VADisplay dpy,
+    VAContextID context,
+    VABufferID buffer,
+    VABufferType type,
+    unsigned int size,
+    unsigned int num_elements,
+    void *data)
+{
+    int i;
+
+    VAPictureParameterBufferH264 *p = (VAPictureParameterBufferH264*)data;
+
+    va_TraceMsg  ("==========H264PicParameterBuffer============\n");
+
+#if 0    
+    if (p->num_ref_frames > 4)
+    {
+        int num = 0;
+        for (i = 15; i >= 0; i--)
+        {
+            if (p->ReferenceFrames[i].flags != VA_PICTURE_H264_INVALID)
+            {
+                num++;
+            }
+            if (num > 4)
+            {
+                p->ReferenceFrames[i].flags = VA_PICTURE_H264_INVALID;
+            }
+        }  	
+        p->num_ref_frames  = 4;
+    }
+#endif
+    
+#if 1
+    va_TraceMsg("picture id: %d\n", p->CurrPic.picture_id);
+    va_TraceMsg("frame idx: %d\n", p->CurrPic.frame_idx);
+    va_TraceMsg("picture flags: %d\n", p->CurrPic.flags);
+    va_TraceMsg("top field order count: %d\n", p->CurrPic.TopFieldOrderCnt);
+    va_TraceMsg("bottom field order count: %d\n", p->CurrPic.BottomFieldOrderCnt);
+
+
+    va_TraceMsg("Reference frames: \n");
+    for (i = 0; i < 16; i++)
+    {
+        if (p->ReferenceFrames[i].flags != VA_PICTURE_H264_INVALID)
+        {
+            //va_TraceMsg("%d-%d; ", p->ReferenceFrames[i].TopFieldOrderCnt, p->ReferenceFrames[i].BottomFieldOrderCnt);
+            va_TraceMsg("%d-%d-%d-%d; ", p->ReferenceFrames[i].TopFieldOrderCnt, p->ReferenceFrames[i].BottomFieldOrderCnt, p->ReferenceFrames[i].picture_id, p->ReferenceFrames[i].frame_idx);
+        }
+    }
+    va_TraceMsg("\n");
+#endif
+    va_TraceMsg("picture_width_in_mbs_minus1: %d\n", p->picture_width_in_mbs_minus1);
+    va_TraceMsg("picture_height_in_mbs_minus1: %d\n", p->picture_height_in_mbs_minus1);
+    va_TraceMsg("bit_depth_luma_minus8: %d\n", p->bit_depth_luma_minus8);
+    va_TraceMsg("bit_depth_chroma_minus8: %d\n", p->bit_depth_chroma_minus8);
+    va_TraceMsg("num_ref_frames: %d\n", p->num_ref_frames);
+    va_TraceMsg("seq fields: %d\n", p->seq_fields.value);
+    va_TraceMsg("\t chroma_format_idc: %d\n", p->seq_fields.bits.chroma_format_idc);
+    va_TraceMsg("\t residual_colour_transform_flag: %d\n", p->seq_fields.bits.residual_colour_transform_flag);
+    va_TraceMsg("\t frame_mbs_only_flag: %d\n", p->seq_fields.bits.frame_mbs_only_flag);
+    va_TraceMsg("\t mb_adaptive_frame_field_flag: %d\n", p->seq_fields.bits.mb_adaptive_frame_field_flag);
+    va_TraceMsg("\t direct_8x8_inference_flag: %d\n", p->seq_fields.bits.direct_8x8_inference_flag);
+    va_TraceMsg("\t MinLumaBiPredSize8x8: %d\n", p->seq_fields.bits.MinLumaBiPredSize8x8);
+    va_TraceMsg("num_slice_groups_minus1: %d\n", p->num_slice_groups_minus1);
+    va_TraceMsg("slice_group_map_type: %d\n", p->slice_group_map_type);
+    va_TraceMsg("slice_group_change_rate_minus1: %d\n", p->slice_group_change_rate_minus1);
+    va_TraceMsg("pic_init_qp_minus26: %d\n", p->pic_init_qp_minus26);
+    va_TraceMsg("pic_init_qs_minus26: %d\n", p->pic_init_qs_minus26);
+    va_TraceMsg("chroma_qp_index_offset: %d\n", p->chroma_qp_index_offset);
+    va_TraceMsg("second_chroma_qp_index_offset: %d\n", p->second_chroma_qp_index_offset);
+    va_TraceMsg("pic_fields: %d\n", p->pic_fields.value);
+    va_TraceMsg("\t entropy_coding_mode_flag: %d\n", p->pic_fields.bits.entropy_coding_mode_flag);
+    va_TraceMsg("\t weighted_pred_flag: %d\n", p->pic_fields.bits.weighted_pred_flag);
+    va_TraceMsg("\t weighted_bipred_idc: %d\n", p->pic_fields.bits.weighted_bipred_idc);
+    va_TraceMsg("\t transform_8x8_mode_flag: %d\n", p->pic_fields.bits.transform_8x8_mode_flag);
+    va_TraceMsg("\t field_pic_flag: %d\n", p->pic_fields.bits.field_pic_flag);
+    va_TraceMsg("\t constrained_intra_pred_flag: %d\n", p->pic_fields.bits.constrained_intra_pred_flag);
+    va_TraceMsg("frame_num: %d\n", p->frame_num);
+
+    return;
+}
+
+static void va_TraceVASliceParameterBufferH264(
+    VADisplay dpy,
+    VAContextID context,
+    VABufferID buffer,
+    VABufferType type,
+    unsigned int size,
+    unsigned int num_elements,
+    void *data)
+{
+    int i;
+    VASliceParameterBufferH264* p = (VASliceParameterBufferH264*)data;
+
+    va_TraceMsg  ("========== SLICE HEADER ============.\n");
+    va_TraceMsg("slice_data_size: %d\n", p->slice_data_size);
+    va_TraceMsg("slice_data_offset: %d\n", p->slice_data_offset);
+    va_TraceMsg("slice_data_flag: %d\n", p->slice_data_flag);
+    va_TraceMsg("slice_data_bit_offset: %d\n", p->slice_data_bit_offset);
+    va_TraceMsg("first_mb_in_slice: %d\n", p->first_mb_in_slice);
+    va_TraceMsg("slice_type: %d\n", p->slice_type);
+    va_TraceMsg("direct_spatial_mv_pred_flag: %d\n", p->direct_spatial_mv_pred_flag);
+    va_TraceMsg("num_ref_idx_l0_active_minus1: %d\n", p->num_ref_idx_l0_active_minus1);
+    va_TraceMsg("num_ref_idx_l1_active_minus1: %d\n", p->num_ref_idx_l1_active_minus1);
+    va_TraceMsg("cabac_init_idc: %d\n", p->cabac_init_idc);
+    va_TraceMsg("slice_qp_delta: %d\n", p->slice_qp_delta);
+    va_TraceMsg("disable_deblocking_filter_idc: %d\n", p->disable_deblocking_filter_idc);
+    va_TraceMsg("slice_alpha_c0_offset_div2: %d\n", p->slice_alpha_c0_offset_div2);
+    va_TraceMsg("slice_beta_offset_div2: %d\n", p->slice_beta_offset_div2);	
+
+#if 1
+    if (p->slice_type == 0 || p->slice_type == 1)
+    {
+        va_TraceMsg("RefPicList0:\n");
+        for (i = 0; i < p->num_ref_idx_l0_active_minus1 + 1; i++)
+        {
+            //va_TraceMsg("%d-%d; ", p->RefPicList0[i].TopFieldOrderCnt, p->RefPicList0[i].BottomFieldOrderCnt);
+            va_TraceMsg("%d-%d-%d-%d; ", p->RefPicList0[i].TopFieldOrderCnt, p->RefPicList0[i].BottomFieldOrderCnt, p->RefPicList0[i].picture_id, p->RefPicList0[i].frame_idx);
+        }
+        va_TraceMsg("\n");
+        if (p->slice_type == 1)
+        {
+            va_TraceMsg("RefPicList1:\n");
+            for (i = 0; i < p->num_ref_idx_l1_active_minus1 + 1; i++)
+            {
+                //va_TraceMsg("%d-%d; ", p->RefPicList1[i].TopFieldOrderCnt, p->RefPicList1[i].BottomFieldOrderCnt);
+                va_TraceMsg("%d-%d-%d-%d; ", p->RefPicList1[i].TopFieldOrderCnt, p->RefPicList1[i].BottomFieldOrderCnt, p->RefPicList1[i].picture_id, p->RefPicList1[i].frame_idx);
+            }
+        }
+        va_TraceMsg("\n");
+    }
+#endif
+
+    va_TraceMsg("luma_log2_weight_denom: %d\n", p->luma_log2_weight_denom);
+    va_TraceMsg("chroma_log2_weight_denom: %d\n", p->chroma_log2_weight_denom);
+    va_TraceMsg("luma_weight_l0_flag: %d\n", p->luma_weight_l0_flag);
+    if (p->luma_weight_l0_flag)
+    {
+        for (i = 0; i <=  p->num_ref_idx_l0_active_minus1; i++)
+        {
+            va_TraceMsg("%d ", p->luma_weight_l0[i]);
+            va_TraceMsg("%d ", p->luma_offset_l0[i]);
+        }
+        va_TraceMsg("\n");
+    }
+	
+		
+    va_TraceMsg("chroma_weight_l0_flag: %d\n", p->chroma_weight_l0_flag);
+    if (p->chroma_weight_l0_flag)
+    {
+        for (i = 0; i <= p->num_ref_idx_l0_active_minus1; i++)
+        {
+            va_TraceMsg("%d ", p->chroma_weight_l0[i][0]);
+            va_TraceMsg("%d ", p->chroma_offset_l0[i][0]);
+            va_TraceMsg("%d ", p->chroma_weight_l0[i][1]);
+            va_TraceMsg("%d ", p->chroma_offset_l0[i][1]);
+        }
+        va_TraceMsg("\n");			
+    }
+    va_TraceMsg("luma_weight_l1_flag: %d\n", p->luma_weight_l1_flag);
+    if (p->luma_weight_l1_flag)
+    {
+        for (i = 0; i <=  p->num_ref_idx_l1_active_minus1; i++)
+        {
+            va_TraceMsg("%d ", p->luma_weight_l1[i]);
+            va_TraceMsg("%d ", p->luma_offset_l1[i]);
+        }
+        va_TraceMsg("\n");
+    }
+    va_TraceMsg("chroma_weight_l1_flag: %d\n", p->chroma_weight_l1_flag);
+    if (p->chroma_weight_l1_flag)
+    {
+        for (i = 0; i <= p->num_ref_idx_l1_active_minus1; i++)
+        {
+            va_TraceMsg("%d ", p->chroma_weight_l1[i][0]);
+            va_TraceMsg("%d ", p->chroma_offset_l1[i][0]);
+            va_TraceMsg("%d ", p->chroma_weight_l1[i][1]);
+            va_TraceMsg("%d ", p->chroma_offset_l1[i][1]);
+        }
+        va_TraceMsg("\n");			
+    }	
+}
+
+static void va_TraceVAIQMatrixBufferH264(
+    VADisplay dpy,
+    VAContextID context,
+    VABufferID buffer,
+    VABufferType type,
+    unsigned int size,
+    unsigned int num_elements,
+    void *data
+)
+{
+    va_TraceMsg("========== IQMatrix ============.\n");
+    VAIQMatrixBufferH264* p = (VAIQMatrixBufferH264* )data;
+    int i, j;
+    for (i = 0; i < 6; i++)
+    {
+        for (j = 0; j < 16; j++)
+        {
+            va_TraceMsg("%d\t", p->ScalingList4x4[i][j]);
+            if ((j + 1) % 8 == 0)
+                va_TraceMsg("\n");
+        }
+    }
+
+    for (i = 0; i < 2; i++)
+    {
+        for (j = 0; j < 64; j++)
+        {
+            va_TraceMsg("%d\t", p->ScalingList8x8[i][j]);
+            if ((j + 1) % 8 == 0)
+                va_TraceMsg("\n");
+        }		
+    }
+}
+
+static void va_TraceVAPictureParameterBufferVC1(
+    VADisplay dpy,
+    VAContextID context,
+    VABufferID buffer,
+    VABufferType type,
+    unsigned int size,
+    unsigned int num_elements,
+    void *data
+)
+{
+    VAPictureParameterBufferVC1* p = (VAPictureParameterBufferVC1*)data;
+
+    va_TraceMsg("\tforward_reference_picture = 0x%08x\n", p->forward_reference_picture);
+    va_TraceMsg("\tbackward_reference_picture = 0x%08x\n", p->backward_reference_picture);
+    va_TraceMsg("\tinloop_decoded_picture = 0x%08x\n", p->inloop_decoded_picture);
+    
+    va_TraceMsg("\tpulldown = %d\n", p->sequence_fields.bits.pulldown);
+    va_TraceMsg("\tinterlace = %d\n", p->sequence_fields.bits.interlace);
+    va_TraceMsg("\ttfcntrflag = %d\n", p->sequence_fields.bits.tfcntrflag);
+    va_TraceMsg("\tfinterpflag = %d\n", p->sequence_fields.bits.finterpflag);
+    va_TraceMsg("\tpsf                           = %d.\n",
+                p->sequence_fields.bits.psf);
+    va_TraceMsg("\tmultires                      = %d.\n",
+                p->sequence_fields.bits.multires);
+    va_TraceMsg("\toverlap                       = %d.\n",
+                p->sequence_fields.bits.overlap);
+    va_TraceMsg("\tsyncmarker                    = %d.\n",
+                p->sequence_fields.bits.syncmarker);
+    va_TraceMsg("\trangered                      = %d.\n",
+                p->sequence_fields.bits.rangered);
+    va_TraceMsg("\tmax_b_frames                  = %d.\n",
+                p->sequence_fields.bits.max_b_frames);
+    va_TraceMsg("\tcoded_width                   = %d.\n",
+                p->coded_width);
+    va_TraceMsg("\tcoded_height                  = %d.\n",
+                p->coded_height);
+    va_TraceMsg("\tclosed_entry                  = %d.\n",
+                p->entrypoint_fields.bits.closed_entry);
+    va_TraceMsg("\tbroken_link                   = %d.\n",
+                p->entrypoint_fields.bits.broken_link);
+    va_TraceMsg("\tclosed_entry                  = %d.\n",
+                p->entrypoint_fields.bits.closed_entry);
+    va_TraceMsg("\tpanscan_flag                  = %d.\n",
+                p->entrypoint_fields.bits.panscan_flag);
+    va_TraceMsg("\tloopfilter                    = %d.\n",
+                p->entrypoint_fields.bits.loopfilter);
+    va_TraceMsg("\tconditional_overlap_flag      = %d.\n",
+                p->conditional_overlap_flag);
+    va_TraceMsg("\tfast_uvmc_flag                = %d.\n",
+                p->fast_uvmc_flag);
+    va_TraceMsg("\trange_mapping_luma_flag       = %d.\n",
+                p->range_mapping_fields.bits.luma_flag);
+    va_TraceMsg("\trange_mapping_luma            = %d.\n",
+                p->range_mapping_fields.bits.luma);
+    va_TraceMsg("\trange_mapping_chroma_flag     = %d.\n",
+                p->range_mapping_fields.bits.chroma_flag);
+    va_TraceMsg("\trange_mapping_chroma          = %d.\n",
+                p->range_mapping_fields.bits.chroma);
+    va_TraceMsg("\tb_picture_fraction            = %d.\n",
+                p->b_picture_fraction);
+    va_TraceMsg("\tcbp_table                     = %d.\n",
+                p->cbp_table);
+    va_TraceMsg("\tmb_mode_table                 = %d.\n",
+                p->mb_mode_table);
+    va_TraceMsg("\trange_reduction_frame         = %d.\n",
+                p->range_reduction_frame);
+    va_TraceMsg("\trounding_control              = %d.\n",
+                p->rounding_control);
+    va_TraceMsg("\tpost_processing               = %d.\n",
+                p->post_processing);
+    va_TraceMsg("\tpicture_resolution_index      = %d.\n",
+                p->picture_resolution_index);
+    va_TraceMsg("\tluma_scale                    = %d.\n",
+                p->luma_scale);
+    va_TraceMsg("\tluma_shift                    = %d.\n",
+                p->luma_shift);
+    va_TraceMsg("\tpicture_type                  = %d.\n",
+                p->picture_fields.bits.picture_type);
+    va_TraceMsg("\tframe_coding_mode             = %d.\n",
+                p->picture_fields.bits.frame_coding_mode);
+    va_TraceMsg("\ttop_field_first               = %d.\n",
+                p->picture_fields.bits.top_field_first);
+    va_TraceMsg("\tis_first_field                = %d.\n",
+                p->picture_fields.bits.is_first_field);
+    va_TraceMsg("\tintensity_compensation        = %d.\n",
+                p->picture_fields.bits.intensity_compensation);
+    va_TraceMsg("  ---------------------------------\n");
+    va_TraceMsg("\tmv_type_mb                    = %d.\n",
+                p->raw_coding.flags.mv_type_mb);
+    va_TraceMsg("\tdirect_mb                     = %d.\n",
+                p->raw_coding.flags.direct_mb);
+    va_TraceMsg("\tskip_mb                       = %d.\n",
+                p->raw_coding.flags.skip_mb);
+    va_TraceMsg("\tfield_tx                      = %d.\n",
+                p->raw_coding.flags.field_tx);
+    va_TraceMsg("\tforward_mb                    = %d.\n",
+                p->raw_coding.flags.forward_mb);
+    va_TraceMsg("\tac_pred                       = %d.\n",
+                p->raw_coding.flags.ac_pred);
+    va_TraceMsg("\toverflags                     = %d.\n",
+                p->raw_coding.flags.overflags);
+    va_TraceMsg("  ---------------------------------\n");
+    va_TraceMsg("\tbp_mv_type_mb                 = %d.\n",
+                p->bitplane_present.flags.bp_mv_type_mb);
+    va_TraceMsg("\tbp_direct_mb                  = %d.\n",
+                p->bitplane_present.flags.bp_direct_mb);
+    va_TraceMsg("\tbp_skip_mb                    = %d.\n",
+                p->bitplane_present.flags.bp_skip_mb);
+    va_TraceMsg("\tbp_field_tx                   = %d.\n",
+                p->bitplane_present.flags.bp_field_tx);
+    va_TraceMsg("\tbp_forward_mb                 = %d.\n",
+                p->bitplane_present.flags.bp_forward_mb);
+    va_TraceMsg("\tbp_ac_pred                    = %d.\n",
+                p->bitplane_present.flags.bp_ac_pred);
+    va_TraceMsg("\tbp_overflags                  = %d.\n",
+                p->bitplane_present.flags.bp_overflags);
+    va_TraceMsg("  ---------------------------------\n");
+    va_TraceMsg("\treference_distance_flag       = %d.\n",
+                p->reference_fields.bits.reference_distance_flag);
+    va_TraceMsg("\treference_distance            = %d.\n",
+                p->reference_fields.bits.reference_distance);
+    va_TraceMsg("\tnum_reference_pictures        = %d.\n",
+                p->reference_fields.bits.num_reference_pictures);
+    va_TraceMsg("\treference_field_pic_indicator = %d.\n",
+                p->reference_fields.bits.reference_field_pic_indicator);
+    va_TraceMsg("\tmv_mode                       = %d.\n",
+                p->mv_fields.bits.mv_mode);
+    va_TraceMsg("\tmv_mode2                      = %d.\n",
+                p->mv_fields.bits.mv_mode2);
+    va_TraceMsg("\tmv_table                      = %d.\n",
+                p->mv_fields.bits.mv_table);
+    va_TraceMsg("\ttwo_mv_block_pattern_table    = %d.\n",
+                p->mv_fields.bits.two_mv_block_pattern_table);
+    va_TraceMsg("\tfour_mv_switch                = %d.\n",
+                p->mv_fields.bits.four_mv_switch);
+    va_TraceMsg("\tfour_mv_block_pattern_table   = %d.\n",
+                p->mv_fields.bits.four_mv_block_pattern_table);
+    va_TraceMsg("\textended_mv_flag              = %d.\n",
+                p->mv_fields.bits.extended_mv_flag);
+    va_TraceMsg("\textended_mv_range             = %d.\n",
+                p->mv_fields.bits.extended_mv_range);
+    va_TraceMsg("\textended_dmv_flag             = %d.\n",
+                p->mv_fields.bits.extended_dmv_flag);
+    va_TraceMsg("\textended_dmv_range            = %d.\n",
+                p->mv_fields.bits.extended_dmv_range);
+    va_TraceMsg("\tdquant                        = %d.\n",
+                p->pic_quantizer_fields.bits.dquant);
+    va_TraceMsg("\tquantizer                     = %d.\n",
+                p->pic_quantizer_fields.bits.quantizer);
+    va_TraceMsg("\thalf_qp                       = %d.\n",
+                p->pic_quantizer_fields.bits.half_qp);
+    va_TraceMsg("\tpic_quantizer_scale           = %d.\n",
+                p->pic_quantizer_fields.bits.pic_quantizer_scale);
+    va_TraceMsg("\tpic_quantizer_type            = %d.\n",
+                p->pic_quantizer_fields.bits.pic_quantizer_type);
+    va_TraceMsg("\tdq_frame                      = %d.\n",
+                p->pic_quantizer_fields.bits.dq_frame);
+    va_TraceMsg("\tdq_profile                    = %d.\n",
+                p->pic_quantizer_fields.bits.dq_profile);
+    va_TraceMsg("\tdq_sb_edge                    = %d.\n",
+                p->pic_quantizer_fields.bits.dq_sb_edge);
+    va_TraceMsg("\tdq_db_edge                    = %d.\n",
+                p->pic_quantizer_fields.bits.dq_db_edge);
+    va_TraceMsg("\tdq_binary_level               = %d.\n",
+                p->pic_quantizer_fields.bits.dq_binary_level);
+    va_TraceMsg("\talt_pic_quantizer             = %d.\n",
+                p->pic_quantizer_fields.bits.alt_pic_quantizer);
+    va_TraceMsg("\tvariable_sized_transform_flag = %d.\n",
+                p->transform_fields.bits.variable_sized_transform_flag);
+    va_TraceMsg("\tmb_level_transform_type_flag  = %d.\n",
+                p->transform_fields.bits.mb_level_transform_type_flag);
+    va_TraceMsg("\tframe_level_transform_type    = %d.\n",
+                p->transform_fields.bits.frame_level_transform_type);
+    va_TraceMsg("\ttransform_ac_codingset_idx1   = %d.\n",
+                p->transform_fields.bits.transform_ac_codingset_idx1);
+    va_TraceMsg("\ttransform_ac_codingset_idx2   = %d.\n",
+                p->transform_fields.bits.transform_ac_codingset_idx2);
+    va_TraceMsg("\tintra_transform_dc_table      = %d.\n",
+                p->transform_fields.bits.intra_transform_dc_table);
+}
+
+static void va_TraceVASliceParameterBufferVC1(
+    VADisplay dpy,
+    VAContextID context,
+    VABufferID buffer,
+    VABufferType type,
+    unsigned int size,
+    unsigned int num_elements,
+    void* data
+)
+{
+    VASliceParameterBufferVC1 *p = (VASliceParameterBufferVC1*)data;
+
+    va_TraceMsg ("========== SLICE NUMBER ==========\n");
+    va_TraceMsg ("    slice_data_size               = %d\n", p->slice_data_size);
+    va_TraceMsg ("    slice_data_offset             = %d\n", p->slice_data_offset);
+    va_TraceMsg ("    slice_data_flag               = %d\n", p->slice_data_flag);
+    va_TraceMsg ("    macroblock_offset             = %d\n", p->macroblock_offset);
+    va_TraceMsg ("    slice_vertical_position       = %d\n", p->slice_vertical_position);
+}
+
+int va_TraceBeginPicture(
+    VADisplay dpy,
+    VAContextID context,
+    VASurfaceID render_target
+)
+{
+    int i;
+
+    va_TraceMsg("\tcontext = 0x%08x\n", context);
+    va_TraceMsg("\t\trender_targets = 0x%08x\n", render_target);
+
+    trace_rendertarget = render_target; /* for surface data dump after vaEndPicture */
+
+    trace_frame++;
+    trace_slice = 0;
+}
+
+VAStatus vaBufferInfo (
+    VADisplay dpy,
+    VAContextID context,	/* in */
+    VABufferID buf_id,		/* in */
+    VABufferType *type,		/* out */
+    unsigned int *size,		/* out */
+    unsigned int *num_elements	/* out */
+);
+
+static int va_TraceMPEG2Buf(
+    VADisplay dpy,
+    VAContextID context,
+    VABufferID buffer,
+    VABufferType type,
+    unsigned int size,
+    unsigned int num_elements,
+    void *pbuf
+)
+{
+    switch (type) {
+    case VAPictureParameterBufferType:
+        va_TraceVAPictureParameterBufferMPEG2(dpy, context, buffer, type, size, num_elements, pbuf);
+        break;
+    case VAIQMatrixBufferType:
+        va_TraceVAIQMatrixBufferMPEG2(dpy, context, buffer, type, size, num_elements, pbuf);
+        break;
+    case VABitPlaneBufferType:
+        break;
+    case VASliceGroupMapBufferType:
+        break;
+    case VASliceParameterBufferType:
+        trace_slice++;
+        va_TraceVASliceParameterBufferMPEG2(dpy, context, buffer, type, size, num_elements, pbuf);
+        break;
+    case VASliceDataBufferType:
+        va_TraceVABuffers(dpy, context, buffer, type, size, num_elements, pbuf);
+        break;
+    case VAMacroblockParameterBufferType:
+        break;
+    case VAResidualDataBufferType:
+        break;
+    case VADeblockingParameterBufferType:
+        break;
+    case VAImageBufferType:
+        break;
+    case VAProtectedSliceDataBufferType:
+        break;
+    case VAEncCodedBufferType:
+        break;
+    case VAEncSequenceParameterBufferType:
+        break;
+    case VAEncPictureParameterBufferType:
+        break;
+    case VAEncSliceParameterBufferType:
+        break;
+    case VAEncH264VUIBufferType:
+        break;
+    case VAEncH264SEIBufferType:
+        break;
+    }
+    
+    return 0;
+}
+
+
+static int va_TraceMPEG4Buf(
+    VADisplay dpy,
+    VAContextID context,
+    VABufferID buffer,
+    VABufferType type,
+    unsigned int size,
+    unsigned int num_elements,
+    void *pbuf
+)
+{
+    switch (type) {
+    case VAPictureParameterBufferType:
+        va_TraceVAPictureParameterBufferMPEG4(dpy, context, buffer, type, size, num_elements, pbuf);
+        break;
+    case VAIQMatrixBufferType:
+        va_TraceVAIQMatrixBufferMPEG4(dpy, context, buffer, type, size, num_elements, pbuf);
+        break;
+    case VABitPlaneBufferType:
+        break;
+    case VASliceGroupMapBufferType:
+        break;
+    case VASliceParameterBufferType:
+        va_TraceVASliceParameterBufferMPEG4(dpy, context, buffer, type, size, num_elements, pbuf);
+        break;
+    case VASliceDataBufferType:
+        va_TraceVABuffers(dpy, context, buffer, type, size, num_elements, pbuf);
+        break;
+    case VAMacroblockParameterBufferType:
+        break;
+    case VAResidualDataBufferType:
+        break;
+    case VADeblockingParameterBufferType:
+        break;
+    case VAImageBufferType:
+        break;
+    case VAProtectedSliceDataBufferType:
+        va_TraceVABuffers(dpy, context, buffer, type, size, num_elements, pbuf);
+        break;
+    case VAEncCodedBufferType:
+        break;
+    case VAEncSequenceParameterBufferType:
+        break;
+    case VAEncPictureParameterBufferType:
+        break;
+    case VAEncSliceParameterBufferType:
+        break;
+    case VAEncH264VUIBufferType:
+        break;
+    case VAEncH264SEIBufferType:
+        break;
+    default:
+        break;
+    }
+    
+    
+    return 0;
+}
+
+
+static int va_TraceH264Buf(
+    VADisplay dpy,
+    VAContextID context,
+    VABufferID buffer,
+    VABufferType type,
+    unsigned int size,
+    unsigned int num_elements,
+    void *pbuf
+)
+{
+    switch (type) {
+    case VAPictureParameterBufferType:
+        va_TraceVAPictureParameterBufferMPEG2(dpy, context, buffer, type, size, num_elements, pbuf);
+        break;
+    case VAIQMatrixBufferType:
+        va_TraceVAIQMatrixBufferH264(dpy, context, buffer, type, size, num_elements, pbuf);
+        break;
+    case VABitPlaneBufferType:
+        break;
+    case VASliceGroupMapBufferType:
+        break;
+    case VASliceParameterBufferType:
+        va_TraceVASliceParameterBufferH264(dpy, context, buffer, type, size, num_elements, pbuf);
+        break;
+    case VASliceDataBufferType:
+        va_TraceVABuffers(dpy, context, buffer, type, size, num_elements, pbuf);
+        break;
+    case VAMacroblockParameterBufferType:
+        break;
+    case VAResidualDataBufferType:
+        break;
+    case VADeblockingParameterBufferType:
+        break;
+    case VAImageBufferType:
+        break;
+    case VAProtectedSliceDataBufferType:
+        va_TraceVABuffers(dpy, context, buffer, type, size, num_elements, pbuf);
+        break;
+    case VAEncCodedBufferType:
+        break;
+    case VAEncSequenceParameterBufferType:
+        break;
+    case VAEncPictureParameterBufferType:
+        break;
+    case VAEncSliceParameterBufferType:
+        break;
+    case VAEncH264VUIBufferType:
+        break;
+    case VAEncH264SEIBufferType:
+        break;
+    default:
+        break;
+    }
+    
+    
+    return 0;
+}
+
+
+static int va_TraceVC1Buf(
+    VADisplay dpy,
+    VAContextID context,
+    VABufferID buffer,
+    VABufferType type,
+    unsigned int size,
+    unsigned int num_elements,
+    void *pbuf
+)
+{
+    switch (type) {
+    case VAPictureParameterBufferType:
+        va_TraceVAPictureParameterBufferVC1(dpy, context, buffer, type, size, num_elements, pbuf);
+        break;
+    case VAIQMatrixBufferType:
+        break;
+    case VABitPlaneBufferType:
+        va_TraceVABuffers(dpy, context, buffer, type, size, num_elements, pbuf);
+        break;
+    case VASliceGroupMapBufferType:
+        break;
+    case VASliceParameterBufferType:
+        va_TraceVASliceParameterBufferVC1(dpy, context, buffer, type, size, num_elements, pbuf);
+        break;
+    case VASliceDataBufferType:
+        va_TraceVABuffers(dpy, context, buffer, type, size, num_elements, pbuf);
+        break;
+    case VAMacroblockParameterBufferType:
+        break;
+    case VAResidualDataBufferType:
+        break;
+    case VADeblockingParameterBufferType:
+        break;
+    case VAImageBufferType:
+        break;
+    case VAProtectedSliceDataBufferType:
+        va_TraceVABuffers(dpy, context, buffer, type, size, num_elements, pbuf);
+        break;
+    case VAEncCodedBufferType:
+        break;
+    case VAEncSequenceParameterBufferType:
+        break;
+    case VAEncPictureParameterBufferType:
+        break;
+    case VAEncSliceParameterBufferType:
+        break;
+    case VAEncH264VUIBufferType:
+        break;
+    case VAEncH264SEIBufferType:
+        break;
+    default:
+        break;
+    }
+    
+    return 0;
+}
+
+int va_TraceRenderPicture(
+    VADisplay dpy,
+    VAContextID context,
+    VABufferID *buffers,
+    int num_buffers
+)
+{
+    VABufferType type;
+    unsigned int size;
+    unsigned int num_elements;
+    int i;
+
+    va_TraceMsg("\tcontext = 0x%08x\n", context);
+    va_TraceMsg("\tnum_buffers = %d\n", num_buffers);
+    for (i = 0; i < num_buffers; i++) {
+        void *pbuf;
+
+        /* get buffer type information */
+        vaBufferInfo(dpy, context, buffers[i], &type, &size, &num_elements);
+        
+        va_TraceMsg("\t\tbuffers[%d] = 0x%08x\n", i, buffers[i]);
+        va_TraceMsg("\t\t\ttype = %s\n", buffer_type_to_string(type));
+        va_TraceMsg("\t\t\tsize = %d\n", size);
+        va_TraceMsg("\t\t\tnum_elements = %d\n", num_elements);
+
+
+        vaMapBuffer(dpy, buffers[i], &pbuf);
+
+        switch (trace_profile) {
+        case VAProfileMPEG2Simple:
+        case VAProfileMPEG2Main:
+            va_TraceMPEG2Buf(dpy, context, buffers[i], type, size, num_elements, pbuf);
+            break;
+        case VAProfileMPEG4Simple:
+        case VAProfileMPEG4AdvancedSimple:
+        case VAProfileMPEG4Main:
+            va_TraceMPEG4Buf(dpy, context, buffers[i], type, size, num_elements, pbuf);
+            break;
+        case VAProfileH264Baseline:
+        case VAProfileH264Main:
+        case VAProfileH264High:
+            va_TraceH264Buf(dpy, context, buffers[i], type, size, num_elements, pbuf);
+            break;
+        case VAProfileVC1Simple:
+        case VAProfileVC1Main:
+        case VAProfileVC1Advanced:
+            va_TraceVC1Buf(dpy, context, buffers[i], type, size, num_elements, pbuf);
+            break;
+        case VAProfileH263Baseline:
+            break;
+        }
+
+        vaUnmapBuffer(dpy, buffers[i]);
+    }
+}
+
+
+int va_TraceEndPicture(
+    VADisplay dpy,
+    VAContextID context
+)
+{
+    int i, j;
+    unsigned int fourcc; /* following are output argument */
+    unsigned int luma_stride;
+    unsigned int chroma_u_stride;
+    unsigned int chroma_v_stride;
+    unsigned int luma_offset;
+    unsigned int chroma_u_offset;
+    unsigned int chroma_v_offset;
+    void *buffer;
+    char *Y_data, *UV_data, *tmp;
+    
+    VAStatus va_status;
+    
+    va_TraceMsg("\tcontext = 0x%08x\n", context);
+    va_TraceMsg("\t\trender_targets = 0x%08x\n", trace_rendertarget);
+    
+    /* force the pipleline finish rendering */
+    vaSyncSurface(dpy, trace_rendertarget);
+
+    va_TraceMsg("***dump surface data***\n", trace_rendertarget);
+
+    va_status = vaCopySurfaceToBuffer(dpy, trace_rendertarget, &fourcc, &luma_stride, &chroma_u_stride, &chroma_v_stride,
+                                      &luma_offset, &chroma_u_offset, &chroma_v_offset, &buffer);
+
+    if (va_status != VA_STATUS_SUCCESS)
+        return va_status;
+    
+    va_TraceMsg("\tfourcc=0x%08x\n", fourcc);
+    va_TraceMsg("\twidth=%d\n", trace_width);
+    va_TraceMsg("\theight=%d\n", trace_height);
+    va_TraceMsg("\tluma_stride=%d\n", luma_stride);
+    va_TraceMsg("\tchroma_u_stride=%d\n", chroma_u_stride);
+    va_TraceMsg("\tchroma_v_stride=%d\n", chroma_v_stride);
+    va_TraceMsg("\tluma_offset=%d\n", luma_offset);
+    va_TraceMsg("\tchroma_u_offset=%d\n", chroma_u_offset);
+    va_TraceMsg("\tchroma_v_offset=%d\n", chroma_v_offset);
+
+    va_TraceMsg("**Y data**\n");
+
+    Y_data = buffer;
+    UV_data = buffer + luma_offset;
+
+    tmp = Y_data;
+    
+    for (i=0; i<trace_height; i++) {
+        for (j=0; j<trace_width; j++) {
+            if ((j%16) == 0)
+                va_TraceMsg("\n0x%08x:", j + i*trace_width);
+            va_TraceMsg("%08x ", tmp[j]);
+        }
+
+        va_TraceMsg("\n");
+        tmp = Y_data + i * luma_stride;
+    }
+
+    tmp = UV_data;
+    if (fourcc == VA_FOURCC_NV12) {
+        va_TraceMsg("**UV data**\n");
+        
+        for (i=0; i<trace_height/2; i++) {
+            for (j=0; j<trace_width; j++) {
+                if ((j%16) == 0)
+                    va_TraceMsg("\n0x%08x:", j + i*trace_width);
+                va_TraceMsg("%08x ", tmp[j]);
+            }
+
+            va_TraceMsg("\n");
+            tmp = UV_data + i * chroma_u_stride;
+        }
+    }
+    free(buffer);
+}