forked from KolibriOS/kolibrios
759 lines
26 KiB
C
759 lines
26 KiB
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_display.h"
|
|
|
|
|
|
#define cY 0
|
|
#define cCb 1
|
|
#define cCr 2
|
|
|
|
#define BLACK_Y 0
|
|
#define BLACK_U 127
|
|
#define BLACK_V 127
|
|
|
|
#ifndef MIN
|
|
#define MIN(a, b) ((a) < (b) ? (a) : (b))
|
|
#endif
|
|
#ifndef MAX
|
|
#define MAX(a, b) ((a) > (b) ? (a) : (b))
|
|
#endif
|
|
#define ARRAY_ELEMS(a) (sizeof(a) / sizeof((a)[0]))
|
|
|
|
#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 VAHuffmanTableBufferJPEGBaseline default_huffman_table_param={
|
|
huffman_table:
|
|
{
|
|
// lumiance component
|
|
{
|
|
num_dc_codes:{0,1,5,1,1,1,1,1,1,0,0,0}, // 12 bits is ok for baseline profile
|
|
dc_values:{0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b},
|
|
num_ac_codes:{0,2,1,3,3,2,4,3,5,5,4,4,0,0,1,125},
|
|
ac_values:{
|
|
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
|
|
{
|
|
num_dc_codes:{0,3,1,1,1,1,1,1,1,1,1,0}, // 12 bits is ok for baseline profile
|
|
dc_values:{0,1,2,3,4,5,6,7,8,9,0xa,0xb},
|
|
num_ac_codes:{0,2,1,2,4,4,3,4,7,5,4,4,0,1,2,119},
|
|
ac_values:{
|
|
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++) {
|
|
priv->HTDC_valid[i] = 1;
|
|
memcpy(priv->HTDC[i].bits, default_huffman_table_param.huffman_table[i].num_dc_codes, 16);
|
|
memcpy(priv->HTDC[i].values, default_huffman_table_param.huffman_table[i].dc_values, 16);
|
|
priv->HTAC_valid[i] = 1;
|
|
memcpy(priv->HTAC[i].bits, default_huffman_table_param.huffman_table[i].num_ac_codes, 16);
|
|
memcpy(priv->HTAC[i].values, default_huffman_table_param.huffman_table[i].ac_values, 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);
|
|
priv->Q_tables_valid[qi & 0x0f] = 1;
|
|
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, 16);
|
|
}
|
|
|
|
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);
|
|
priv->HTAC_valid[index & 0xf] = 1;
|
|
}
|
|
else {
|
|
memcpy(priv->HTDC[index & 0xf].values, stream, count);
|
|
priv->HTDC_valid[index & 0xf] = 1;
|
|
}
|
|
|
|
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;
|
|
VADisplay va_dpy;
|
|
VAStatus va_status;
|
|
int max_h_factor, max_v_factor;
|
|
int putsurface=1;
|
|
unsigned int i, j;
|
|
|
|
va_dpy = va_open_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,VA_RT_FORMAT_YUV420,
|
|
priv->width,priv->height, //alignment?
|
|
&surface_id, 1, NULL, 0);
|
|
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");
|
|
|
|
VAPictureParameterBufferJPEGBaseline pic_param;
|
|
memset(&pic_param, 0, sizeof(pic_param));
|
|
pic_param.picture_width = priv->width;
|
|
pic_param.picture_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;
|
|
}
|
|
|
|
va_status = vaCreateBuffer(va_dpy, context_id,
|
|
VAPictureParameterBufferType, // VAPictureParameterBufferJPEGBaseline?
|
|
sizeof(VAPictureParameterBufferJPEGBaseline),
|
|
1, &pic_param,
|
|
&pic_param_buf);
|
|
CHECK_VASTATUS(va_status, "vaCreateBuffer");
|
|
|
|
VAIQMatrixBufferJPEGBaseline iq_matrix;
|
|
const unsigned int num_quant_tables =
|
|
MIN(COMPONENTS, ARRAY_ELEMS(iq_matrix.load_quantiser_table));
|
|
// todo, only mask it if non-default quant matrix is used. do we need build default quant matrix?
|
|
memset(&iq_matrix, 0, sizeof(VAIQMatrixBufferJPEGBaseline));
|
|
for (i = 0; i < num_quant_tables; i++) {
|
|
if (!priv->Q_tables_valid[i])
|
|
continue;
|
|
iq_matrix.load_quantiser_table[i] = 1;
|
|
for (j = 0; j < 64; j++)
|
|
iq_matrix.quantiser_table[i][j] = priv->Q_tables[i][j];
|
|
}
|
|
va_status = vaCreateBuffer(va_dpy, context_id,
|
|
VAIQMatrixBufferType, // VAIQMatrixBufferJPEGBaseline?
|
|
sizeof(VAIQMatrixBufferJPEGBaseline),
|
|
1, &iq_matrix,
|
|
&iqmatrix_buf );
|
|
CHECK_VASTATUS(va_status, "vaCreateBuffer");
|
|
|
|
VAHuffmanTableBufferJPEGBaseline huffman_table;
|
|
const unsigned int num_huffman_tables =
|
|
MIN(COMPONENTS, ARRAY_ELEMS(huffman_table.load_huffman_table));
|
|
memset(&huffman_table, 0, sizeof(VAHuffmanTableBufferJPEGBaseline));
|
|
assert(sizeof(huffman_table.huffman_table[0].num_dc_codes) ==
|
|
sizeof(priv->HTDC[0].bits));
|
|
assert(sizeof(huffman_table.huffman_table[0].dc_values[0]) ==
|
|
sizeof(priv->HTDC[0].values[0]));
|
|
for (i = 0; i < num_huffman_tables; i++) {
|
|
if (!priv->HTDC_valid[i] || !priv->HTAC_valid[i])
|
|
continue;
|
|
huffman_table.load_huffman_table[i] = 1;
|
|
memcpy(huffman_table.huffman_table[i].num_dc_codes, priv->HTDC[i].bits,
|
|
sizeof(huffman_table.huffman_table[i].num_dc_codes));
|
|
memcpy(huffman_table.huffman_table[i].dc_values, priv->HTDC[i].values,
|
|
sizeof(huffman_table.huffman_table[i].dc_values));
|
|
memcpy(huffman_table.huffman_table[i].num_ac_codes, priv->HTAC[i].bits,
|
|
sizeof(huffman_table.huffman_table[i].num_ac_codes));
|
|
memcpy(huffman_table.huffman_table[i].ac_values, priv->HTAC[i].values,
|
|
sizeof(huffman_table.huffman_table[i].ac_values));
|
|
memset(huffman_table.huffman_table[i].pad, 0,
|
|
sizeof(huffman_table.huffman_table[i].pad));
|
|
}
|
|
|
|
va_status = vaCreateBuffer(va_dpy, context_id,
|
|
VAHuffmanTableBufferType, // VAHuffmanTableBufferJPEGBaseline?
|
|
sizeof(VAHuffmanTableBufferJPEGBaseline),
|
|
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 VASliceParameterBufferJPEGBaseline 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_selector = priv->cur_sos.components[i].component_id; /* FIXME: set to values specified in SOS */
|
|
slice_param.components[i].dc_table_selector = priv->cur_sos.components[i].dc_selector; /* FIXME: set to values specified in SOS */
|
|
slice_param.components[i].ac_table_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, // VASliceParameterBufferJPEGBaseline?
|
|
sizeof(VASliceParameterBufferJPEGBaseline),
|
|
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) {
|
|
VARectangle src_rect, dst_rect;
|
|
|
|
src_rect.x = 0;
|
|
src_rect.y = 0;
|
|
src_rect.width = priv->width;
|
|
src_rect.height = priv->height;
|
|
dst_rect = src_rect;
|
|
|
|
va_status = va_put_surface(va_dpy, surface_id, &src_rect, &dst_rect);
|
|
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);
|
|
va_close_display(va_dpy);
|
|
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;
|
|
}
|
|
|
|
|