Add libva to chromium third_party.

third_party/libva/test/decode/tinyjpeg.c

+/*
+ * Small jpeg decoder library
+ *
+ * Copyright (c) 2006, Luc Saillard <luc@saillard.org>
+ * Copyright (c) 2012 Intel Corporation.
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * - Redistributions of source code must retain the above copyright notice,
+ *  this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright notice,
+ *  this list of conditions and the following disclaimer in the documentation
+ *  and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the author nor the names of its contributors may be
+ *  used to endorse or promote products derived from this software without
+ *  specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdint.h>
+#include <errno.h>
+
+#include "tinyjpeg.h"
+#include "tinyjpeg-internal.h"
+
+// for libva
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <assert.h>
+#include <va/va.h>
+#include <va/va_x11.h>
+#include <X11/Xlib.h>
+
+
+#define cY      0
+#define cCb     1
+#define cCr     2
+
+#define BLACK_Y 0
+#define BLACK_U 127
+#define BLACK_V 127
+
+#if DEBUG
+#define trace(fmt, args...) do { \
+   fprintf(stderr, fmt, ## args); \
+   fflush(stderr); \
+} while(0)
+#else
+#define trace(fmt, args...) do { } while (0)
+#endif
+#define error(fmt, args...) do { \
+   snprintf(error_string, sizeof(error_string), fmt, ## args); \
+   return -1; \
+} while(0)
+
+/* Global variable to return the last error found while deconding */
+static char error_string[256];
+static VAHuffmanTableBufferJPEG default_huffman_table_param={
+    huffman_table:
+    {
+        // lumiance component
+        {
+            dc_bits:{0,1,5,1,1,1,1,1,1,0,0,0}, // 12 bits is ok for baseline profile
+            dc_huffval:{0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b},
+            ac_bits:{0,2,1,3,3,2,4,3,5,5,4,4,0,0,1,125},
+            ac_huffval:{
+              0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12,
+              0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07,
+              0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08,
+              0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0,
+              0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16,
+              0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28,
+              0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39,
+              0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49,
+              0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59,
+              0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69,
+              0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79,
+              0x7a, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
+              0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98,
+              0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
+              0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6,
+              0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5,
+              0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4,
+              0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2,
+              0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea,
+              0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8,
+              0xf9, 0xfa
+           },/*,0xonly,0xthe,0xfirst,0x162,0xbytes,0xare,0xavailable,0x*/
+        },
+        // chrom component
+        {
+            dc_bits:{0,3,1,1,1,1,1,1,1,1,1,0}, // 12 bits is ok for baseline profile
+            dc_huffval:{0,1,2,3,4,5,6,7,8,9,0xa,0xb},
+            ac_bits:{0,2,1,2,4,4,3,4,7,5,4,4,0,1,2,119},
+            ac_huffval:{
+              0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21,
+              0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71,
+              0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91,
+              0xa1, 0xb1, 0xc1, 0x09, 0x23, 0x33, 0x52, 0xf0,
+              0x15, 0x62, 0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34,
+              0xe1, 0x25, 0xf1, 0x17, 0x18, 0x19, 0x1a, 0x26,
+              0x27, 0x28, 0x29, 0x2a, 0x35, 0x36, 0x37, 0x38,
+              0x39, 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48,
+              0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
+              0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68,
+              0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
+              0x79, 0x7a, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
+              0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96,
+              0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5,
+              0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4,
+              0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3,
+              0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2,
+              0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda,
+              0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9,
+              0xea, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8,
+              0xf9, 0xfa
+            },/*,0xonly,0xthe,0xfirst,0x162,0xbytes,0xare,0xavailable,0x*/
+        },
+    }
+};
+
+#define be16_to_cpu(x) (((x)[0]<<8)|(x)[1])
+
+
+static int build_default_huffman_tables(struct jdec_private *priv)
+{
+    int i = 0;
+        if (priv->default_huffman_table_initialized)
+                return 0;
+
+    for (i = 0; i < 4; i++) {
+        memcpy(priv->HTDC[i].bits, default_huffman_table_param.huffman_table[i].dc_bits, 16);
+        memcpy(priv->HTDC[i].values, default_huffman_table_param.huffman_table[i].dc_huffval, 16);
+        memcpy(priv->HTAC[i].bits, default_huffman_table_param.huffman_table[i].ac_bits, 16);
+        memcpy(priv->HTAC[i].values, default_huffman_table_param.huffman_table[i].ac_huffval, 256);
+    }
+        priv->default_huffman_table_initialized = 1;
+        return 0;
+}
+
+
+static void print_SOF(const unsigned char *stream)
+{
+  int width, height, nr_components, precision;
+#if DEBUG
+  const char *nr_components_to_string[] = {
+     "????",
+     "Grayscale",
+     "????",
+     "YCbCr",
+     "CYMK"
+  };
+#endif
+
+  precision = stream[2];
+  height = be16_to_cpu(stream+3);
+  width  = be16_to_cpu(stream+5);
+  nr_components = stream[7];
+
+  trace("> SOF marker\n");
+  trace("Size:%dx%d nr_components:%d (%s)  precision:%d\n", 
+      width, height,
+      nr_components, nr_components_to_string[nr_components],
+      precision);
+}
+
+static int parse_DQT(struct jdec_private *priv, const unsigned char *stream)
+{
+  int qi;
+  const unsigned char *dqt_block_end;
+
+  trace("> DQT marker\n");
+  dqt_block_end = stream + be16_to_cpu(stream);
+  stream += 2;  /* Skip length */
+
+  while (stream < dqt_block_end)
+   {
+     qi = *stream++;
+#if SANITY_CHECK
+     if (qi>>4)
+       error("16 bits quantization table is not supported\n");
+     if (qi>4)
+       error("No more 4 quantization table is supported (got %d)\n", qi);
+#endif
+     memcpy(priv->Q_tables[qi&0x0F], stream, 64);
+     stream += 64;
+   }
+  trace("< DQT marker\n");
+  return 0;
+}
+
+static int parse_SOF(struct jdec_private *priv, const unsigned char *stream)
+{
+  int i, width, height, nr_components, cid, sampling_factor;
+  unsigned char Q_table;
+  struct component *c;
+
+  trace("> SOF marker\n");
+  print_SOF(stream);
+
+  height = be16_to_cpu(stream+3);
+  width  = be16_to_cpu(stream+5);
+  nr_components = stream[7];
+  priv->nf_components = nr_components;
+#if SANITY_CHECK
+  if (stream[2] != 8)
+    error("Precision other than 8 is not supported\n");
+  if (width>JPEG_MAX_WIDTH || height>JPEG_MAX_HEIGHT)
+    printf("WARNING:Width and Height (%dx%d) seems suspicious\n", width, height);
+  if (nr_components != 3)
+    printf("ERROR:We only support YUV images\n");
+  if (height%16)
+    printf("WARNING:Height need to be a multiple of 16 (current height is %d)\n", height);
+  if (width%16)
+    printf("WARNING:Width need to be a multiple of 16 (current Width is %d)\n", width);
+#endif
+  stream += 8;
+  for (i=0; i<nr_components; i++) {
+     cid = *stream++;
+     sampling_factor = *stream++;
+     Q_table = *stream++;
+     c = &priv->component_infos[i];
+     c->cid = cid;
+     if (Q_table >= COMPONENTS)
+       error("Bad Quantization table index (got %d, max allowed %d)\n", Q_table, COMPONENTS-1);
+     c->Vfactor = sampling_factor&0xf;
+     c->Hfactor = sampling_factor>>4;
+     c->quant_table_index = Q_table;
+     trace("Component:%d  factor:%dx%d  Quantization table:%d\n",
+           cid, c->Hfactor, c->Vfactor, Q_table );
+
+  }
+  priv->width = width;
+  priv->height = height;
+
+  trace("< SOF marker\n");
+
+  return 0;
+}
+
+static int parse_SOS(struct jdec_private *priv, const unsigned char *stream)
+{
+  unsigned int i, cid, table;
+  unsigned int nr_components = stream[2];
+
+  trace("> SOS marker\n");
+
+  priv->cur_sos.nr_components= nr_components;
+
+  stream += 3;
+  for (i=0;i<nr_components;i++) {
+     cid = *stream++;
+     table = *stream++;
+     priv->cur_sos.components[i].component_id = cid;
+     priv->cur_sos.components[i].dc_selector = ((table>>4)&0x0F);
+     priv->cur_sos.components[i].ac_selector = (table&0x0F);
+#if SANITY_CHECK
+     if ((table&0xf)>=4)
+        error("We do not support more than 2 AC Huffman table\n");
+     if ((table>>4)>=4)
+        error("We do not support more than 2 DC Huffman table\n");
+     if (cid != priv->component_infos[i].cid)
+        error("SOS cid order (%d:%d) isn't compatible with the SOF marker (%d:%d)\n",
+              i, cid, i, priv->component_infos[i].cid);
+     trace("ComponentId:%d  tableAC:%d tableDC:%d\n", cid, table&0xf, table>>4);
+#endif
+  }
+  priv->stream = stream+3;
+  trace("< SOS marker\n");
+  return 0;
+}
+
+int tinyjpeg_parse_SOS(struct jdec_private *priv, const unsigned char *stream)
+{
+    return parse_SOS(priv, stream);
+}
+
+
+static int parse_DHT(struct jdec_private *priv, const unsigned char *stream)
+{
+  unsigned int count, i;
+  int length, index;
+  unsigned char Tc, Th;
+
+  length = be16_to_cpu(stream) - 2;
+  stream += 2;  /* Skip length */
+
+  trace("> DHT marker (length=%d)\n", length);
+
+  while (length>0) {
+     index = *stream++;
+
+     Tc = index & 0xf0; // it is not important to <<4
+     Th = index & 0x0f;
+     if (Tc) {
+        memcpy(priv->HTAC[index & 0xf].bits, stream, 16);
+     }
+     else {
+         memcpy(priv->HTDC[index & 0xf].bits, stream, 12);
+     }
+
+     count = 0;
+     for (i=0; i<16; i++) {
+        count += *stream++;
+     }
+
+#if SANITY_CHECK
+     if (count >= HUFFMAN_BITS_SIZE)
+       error("No more than %d bytes is allowed to describe a huffman table", HUFFMAN_BITS_SIZE);
+     if ( (index &0xf) >= HUFFMAN_TABLES)
+       error("No more than %d Huffman tables is supported (got %d)\n", HUFFMAN_TABLES, index&0xf);
+     trace("Huffman table %s[%d] length=%d\n", (index&0xf0)?"AC":"DC", index&0xf, count);
+#endif
+
+     if (Tc) {
+        memcpy(priv->HTAC[index & 0xf].values, stream, count);
+     }
+     else {
+        memcpy(priv->HTDC[index & 0xf].values, stream, count);
+     }
+
+     length -= 1;
+     length -= 16;
+     length -= count;
+     stream += count;
+  }
+  trace("< DHT marker\n");
+  return 0;
+}
+static int parse_DRI(struct jdec_private *priv, const unsigned char *stream)
+{
+  unsigned int length;
+
+  trace("> DRI marker\n");
+
+  length = be16_to_cpu(stream);
+
+#if SANITY_CHECK
+  if (length != 4)
+    error("Length of DRI marker need to be 4\n");
+#endif
+
+  priv->restart_interval = be16_to_cpu(stream+2);
+
+#if DEBUG
+  trace("Restart interval = %d\n", priv->restart_interval);
+#endif
+
+  trace("< DRI marker\n");
+
+  return 0;
+}
+
+
+static int parse_JFIF(struct jdec_private *priv, const unsigned char *stream)
+{
+  int chuck_len;
+  int marker;
+  int sos_marker_found = 0;
+  int dht_marker_found = 0;
+  int dqt_marker_found = 0;
+  const unsigned char *next_chunck;
+
+  /* Parse marker */
+  while (!sos_marker_found)
+   {
+     if (*stream++ != 0xff)
+       goto bogus_jpeg_format;
+     /* Skip any padding ff byte (this is normal) */
+     while (*stream == 0xff)
+       stream++;
+
+     marker = *stream++;
+     chuck_len = be16_to_cpu(stream);
+     next_chunck = stream + chuck_len;
+     switch (marker)
+      {
+       case SOF:
+         if (parse_SOF(priv, stream) < 0)
+           return -1;
+         break;
+       case DQT:
+         if (parse_DQT(priv, stream) < 0)
+           return -1;
+         dqt_marker_found = 1;
+         break;
+       case SOS:
+         if (parse_SOS(priv, stream) < 0)
+           return -1;
+         sos_marker_found = 1;
+         break;
+       case DHT:
+         if (parse_DHT(priv, stream) < 0)
+           return -1;
+         dht_marker_found = 1;
+         break;
+       case DRI:
+         if (parse_DRI(priv, stream) < 0)
+           return -1;
+         break;
+       default:
+         trace("> Unknown marker %2.2x\n", marker);
+         break;
+      }
+
+     stream = next_chunck;
+   }
+
+  if (!dht_marker_found) {
+    trace("No Huffman table loaded, using the default one\n");
+    build_default_huffman_tables(priv);
+  }
+  if (!dqt_marker_found) {
+    error("ERROR:No Quantization table loaded, using the default one\n");
+  }
+
+#ifdef SANITY_CHECK
+  if (   (priv->component_infos[cY].Hfactor < priv->component_infos[cCb].Hfactor)
+      || (priv->component_infos[cY].Hfactor < priv->component_infos[cCr].Hfactor))
+    error("Horizontal sampling factor for Y should be greater than horitontal sampling factor for Cb or Cr\n");
+  if (   (priv->component_infos[cY].Vfactor < priv->component_infos[cCb].Vfactor)
+      || (priv->component_infos[cY].Vfactor < priv->component_infos[cCr].Vfactor))
+    error("Vertical sampling factor for Y should be greater than vertical sampling factor for Cb or Cr\n");
+  if (   (priv->component_infos[cCb].Hfactor!=1) 
+      || (priv->component_infos[cCr].Hfactor!=1)
+      || (priv->component_infos[cCb].Vfactor!=1)
+      || (priv->component_infos[cCr].Vfactor!=1))
+    printf("ERROR:Sampling other than 1x1 for Cr and Cb is not supported");
+#endif
+
+  return 0;
+bogus_jpeg_format:
+  trace("Bogus jpeg format\n");
+  return -1;
+}
+
+/*******************************************************************************
+ *
+ * Functions exported of the library.
+ *
+ * Note: Some applications can access directly to internal pointer of the
+ * structure. It's is not recommended, but if you have many images to
+ * uncompress with the same parameters, some functions can be called to speedup
+ * the decoding.
+ *
+ ******************************************************************************/
+
+/**
+ * Allocate a new tinyjpeg decoder object.
+ *
+ * Before calling any other functions, an object need to be called.
+ */
+struct jdec_private *tinyjpeg_init(void)
+{
+  struct jdec_private *priv;
+ 
+  priv = (struct jdec_private *)calloc(1, sizeof(struct jdec_private));
+  if (priv == NULL)
+    return NULL;
+  return priv;
+}
+
+/**
+ * Free a tinyjpeg object.
+ *
+ * No others function can be called after this one.
+ */
+void tinyjpeg_free(struct jdec_private *priv)
+{
+  free(priv);
+}
+
+/**
+ * Initialize the tinyjpeg object and prepare the decoding of the stream.
+ *
+ * Check if the jpeg can be decoded with this jpeg decoder.
+ * Fill some table used for preprocessing.
+ */
+int tinyjpeg_parse_header(struct jdec_private *priv, const unsigned char *buf, unsigned int size)
+{
+  int ret;
+
+  /* Identify the file */
+  if ((buf[0] != 0xFF) || (buf[1] != SOI))
+    error("Not a JPG file ?\n");
+
+  priv->stream_begin = buf+2;
+  priv->stream_length = size-2;
+  priv->stream_end = priv->stream_begin + priv->stream_length;
+
+  ret = parse_JFIF(priv, priv->stream_begin);
+
+  return ret;
+}
+
+
+int tinyjpeg_decode(struct jdec_private *priv)
+{
+#define CHECK_VASTATUS(va_status,func)                                  \
+    if (va_status != VA_STATUS_SUCCESS) {                                   \
+        fprintf(stderr,"%s:%s (%d) failed,exit\n", __func__, func, __LINE__); \
+        exit(1);                                                            \
+    }
+
+    VAEntrypoint entrypoints[5];
+    int num_entrypoints,vld_entrypoint;
+    VAConfigAttrib attrib;
+    VAConfigID config_id;
+    VASurfaceID surface_id;
+    VAContextID context_id;
+    VABufferID pic_param_buf,iqmatrix_buf,huffmantable_buf,slice_param_buf,slice_data_buf;
+    int major_ver, minor_ver;
+    Display *x11_display;
+    VADisplay   va_dpy;
+    VAStatus va_status;
+    int max_h_factor, max_v_factor;
+    int putsurface=1;
+    unsigned int i;
+
+    x11_display = XOpenDisplay(":0.0");
+
+    if (x11_display == NULL) {
+      fprintf(stderr, "Can't connect X server!\n");
+      exit(-1);
+    }
+
+    assert(x11_display);
+    
+    va_dpy = vaGetDisplay(x11_display);
+    va_status = vaInitialize(va_dpy, &major_ver, &minor_ver);
+    assert(va_status == VA_STATUS_SUCCESS);
+    
+    va_status = vaQueryConfigEntrypoints(va_dpy, VAProfileJPEGBaseline, entrypoints, 
+                             &num_entrypoints);
+    CHECK_VASTATUS(va_status, "vaQueryConfigEntrypoints");
+
+    for (vld_entrypoint = 0; vld_entrypoint < num_entrypoints; vld_entrypoint++) {
+        if (entrypoints[vld_entrypoint] == VAEntrypointVLD)
+            break;
+    }
+    if (vld_entrypoint == num_entrypoints) {
+        /* not find VLD entry point */
+        assert(0);
+    }
+
+    /* Assuming finding VLD, find out the format for the render target */
+    attrib.type = VAConfigAttribRTFormat;
+    vaGetConfigAttributes(va_dpy, VAProfileJPEGBaseline, VAEntrypointVLD,
+                          &attrib, 1);
+    if ((attrib.value & VA_RT_FORMAT_YUV420) == 0) {
+        /* not find desired YUV420 RT format */
+        assert(0);
+    }
+    
+    va_status = vaCreateConfig(va_dpy, VAProfileJPEGBaseline, VAEntrypointVLD,
+                              &attrib, 1,&config_id);
+    CHECK_VASTATUS(va_status, "vaQueryConfigEntrypoints");
+
+    va_status = vaCreateSurfaces(va_dpy,priv->width,priv->height, //alignment?
+                                VA_RT_FORMAT_YUV420, 1, &surface_id);
+    CHECK_VASTATUS(va_status, "vaCreateSurfaces");
+
+    /* Create a context for this decode pipe */
+    va_status = vaCreateContext(va_dpy, config_id,
+                               priv->width, priv->height, // alignment?
+                               VA_PROGRESSIVE,
+                               &surface_id,
+                               1,
+                               &context_id);
+    CHECK_VASTATUS(va_status, "vaCreateContext");
+
+    
+    VAPictureParameterBufferJPEG pic_param;
+    memset(&pic_param, 0, sizeof(pic_param));
+    pic_param.type = VA_JPEG_SOF0; // tinyjpeg support baseline profile only, does it match va capability?
+    pic_param.sample_precision = 8; // tinyjpeg support baseline profile only, does it match va capability?
+    pic_param.image_width = priv->width;
+    pic_param.image_height = priv->height;
+    pic_param.num_components = priv->nf_components;
+
+    for (i=0; i<pic_param.num_components; i++) { // tinyjpeg support 3 components only, does it match va?
+        pic_param.components[i].component_id = priv->component_infos[i].cid;
+        pic_param.components[i].h_sampling_factor = priv->component_infos[i].Hfactor;
+        pic_param.components[i].v_sampling_factor = priv->component_infos[i].Vfactor;
+        pic_param.components[i].quantiser_table_selector = priv->component_infos[i].quant_table_index;
+    }
+    
+    pic_param.roi.enabled = 0;
+    pic_param.roi.start_x = 0;
+    pic_param.roi.start_y = 0;
+    pic_param.roi.end_x = 0;
+    pic_param.roi.end_y = 0;
+    pic_param.rotation = 0;
+
+    va_status = vaCreateBuffer(va_dpy, context_id,
+                              VAPictureParameterBufferType, // VAPictureParameterBufferJPEG?
+                              sizeof(VAPictureParameterBufferJPEG),
+                              1, &pic_param,
+                              &pic_param_buf);
+    CHECK_VASTATUS(va_status, "vaCreateBuffer");
+
+    VAIQMatrixBufferJPEG iq_matrix;
+    // todo, only mask it if non-default quant matrix is used. do we need build default quant matrix?
+    memset(&iq_matrix, 0, sizeof(VAIQMatrixBufferJPEG));
+    for (i = 0; i < COMPONENTS; i++) {
+        iq_matrix.precision[i] = 0;
+        memcpy(iq_matrix.quantiser_matrix[i], priv->Q_tables[i], 64);
+    }
+    va_status = vaCreateBuffer(va_dpy, context_id,
+                              VAIQMatrixBufferType, // VAIQMatrixBufferJPEG?
+                              sizeof(VAIQMatrixBufferJPEG),
+                              1, &iq_matrix,
+                              &iqmatrix_buf );
+    CHECK_VASTATUS(va_status, "vaCreateBuffer");
+
+    VAHuffmanTableBufferJPEG huffman_table;
+    memset(&huffman_table, 0, sizeof(VAHuffmanTableBufferJPEG));
+    for (i = 0; i < COMPONENTS; i++) {
+        memcpy(huffman_table.huffman_table[i].dc_bits, priv->HTDC[i].bits, 16);
+        memcpy(huffman_table.huffman_table[i].dc_huffval, priv->HTDC[i].values, 16);
+        memcpy(huffman_table.huffman_table[i].ac_bits, priv->HTAC[i].bits, 16);
+        memcpy(huffman_table.huffman_table[i].ac_huffval, priv->HTAC[i].values, 256);
+    }
+
+    va_status = vaCreateBuffer(va_dpy, context_id,
+                              VAHuffmanTableBufferType, // VAHuffmanTableBufferJPEG?
+                              sizeof(VAHuffmanTableBufferJPEG),
+                              1, &huffman_table,
+                              &huffmantable_buf );
+    CHECK_VASTATUS(va_status, "vaCreateBuffer");
+    
+    // one slice for whole image?
+    max_h_factor = priv->component_infos[0].Hfactor;
+    max_v_factor = priv->component_infos[0].Vfactor;
+    static VASliceParameterBufferJPEG slice_param;
+    slice_param.slice_data_size = priv->stream_end - priv->stream;
+    slice_param.slice_data_offset = 0;
+    slice_param.slice_data_flag = VA_SLICE_DATA_FLAG_ALL;
+    slice_param.slice_horizontal_position = 0;    
+    slice_param.slice_vertical_position = 0;    
+    slice_param.num_components = priv->cur_sos.nr_components;
+    for (i = 0; i < slice_param.num_components; i++) {
+        slice_param.components[i].component_id = priv->cur_sos.components[i].component_id; /* FIXME: set to values specified in SOS  */
+        slice_param.components[i].dc_selector = priv->cur_sos.components[i].dc_selector;  /* FIXME: set to values specified in SOS  */
+        slice_param.components[i].ac_selector = priv->cur_sos.components[i].ac_selector;  /* FIXME: set to values specified in SOS  */
+    }
+    slice_param.restart_interval = priv->restart_interval;
+    slice_param.num_mcus = ((priv->width+max_h_factor*8-1)/(max_h_factor*8))*
+                          ((priv->height+max_v_factor*8-1)/(max_v_factor*8)); // ?? 720/16?
+
+    va_status = vaCreateBuffer(va_dpy, context_id,
+                              VASliceParameterBufferType, // VASliceParameterBufferJPEG?
+                              sizeof(VASliceParameterBufferJPEG),
+                              1,
+                              &slice_param, &slice_param_buf);
+    CHECK_VASTATUS(va_status, "vaCreateBuffer");
+
+    va_status = vaCreateBuffer(va_dpy, context_id,
+                              VASliceDataBufferType,
+                              priv->stream_end - priv->stream,
+                              1,
+                              (void*)priv->stream, // jpeg_clip,
+                              &slice_data_buf);
+    CHECK_VASTATUS(va_status, "vaCreateBuffer");
+
+    va_status = vaBeginPicture(va_dpy, context_id, surface_id);
+    CHECK_VASTATUS(va_status, "vaBeginPicture");
+
+    va_status = vaRenderPicture(va_dpy,context_id, &pic_param_buf, 1);
+    CHECK_VASTATUS(va_status, "vaRenderPicture");
+    
+    va_status = vaRenderPicture(va_dpy,context_id, &iqmatrix_buf, 1);
+    CHECK_VASTATUS(va_status, "vaRenderPicture");
+
+    va_status = vaRenderPicture(va_dpy,context_id, &huffmantable_buf, 1);
+    CHECK_VASTATUS(va_status, "vaRenderPicture");
+    
+    va_status = vaRenderPicture(va_dpy,context_id, &slice_param_buf, 1);
+    CHECK_VASTATUS(va_status, "vaRenderPicture");
+    
+    va_status = vaRenderPicture(va_dpy,context_id, &slice_data_buf, 1);
+    CHECK_VASTATUS(va_status, "vaRenderPicture");
+    
+    va_status = vaEndPicture(va_dpy,context_id);
+    CHECK_VASTATUS(va_status, "vaEndPicture");
+
+    va_status = vaSyncSurface(va_dpy, surface_id);
+    CHECK_VASTATUS(va_status, "vaSyncSurface");
+
+    if (putsurface) {
+        Window  win;
+        win = XCreateSimpleWindow(x11_display, RootWindow(x11_display, 0), 0, 0,
+                priv->width,priv->height, 0, 0, WhitePixel(x11_display, 0));
+        XMapWindow(x11_display, win);
+        XSync(x11_display, False);
+        va_status = vaPutSurface(va_dpy, surface_id, win,
+                                0,0,priv->width,priv->height,
+                                0,0,priv->width,priv->height,
+                                NULL,0,0);
+       CHECK_VASTATUS(va_status, "vaPutSurface");
+    }
+    printf("press any key to exit\n");
+    getchar();
+
+    vaDestroySurfaces(va_dpy,&surface_id,1);
+    vaDestroyConfig(va_dpy,config_id);
+    vaDestroyContext(va_dpy,context_id);
+
+    vaTerminate(va_dpy);
+    XCloseDisplay(x11_display);
+    
+    return 0;
+}
+const char *tinyjpeg_get_errorstring(struct jdec_private *priv)
+{
+  /* FIXME: the error string must be store in the context */
+  priv = priv;
+  return error_string;
+}
+void tinyjpeg_get_size(struct jdec_private *priv, unsigned int *width, unsigned int *height)
+{
+  *width = priv->width;
+  *height = priv->height;
+}
+
+