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870 lines
30 KiB
870 lines
30 KiB
/* |
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* Small jpeg decoder library |
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* |
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* Copyright (c) 2006, Luc Saillard <luc@saillard.org> |
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* Copyright (c) 2012 Intel Corporation. |
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* All rights reserved. |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
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* |
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* - Redistributions of source code must retain the above copyright notice, |
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* this list of conditions and the following disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above copyright notice, |
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* this list of conditions and the following disclaimer in the documentation |
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* and/or other materials provided with the distribution. |
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* |
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* - Neither the name of the author nor the names of its contributors may be |
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* used to endorse or promote products derived from this software without |
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* specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <stdint.h> |
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#include <errno.h> |
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|
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#include "tinyjpeg.h" |
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#include "tinyjpeg-internal.h" |
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// for libva |
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#include <unistd.h> |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <fcntl.h> |
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#include <assert.h> |
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#include <va/va.h> |
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#include <va/va_dec_jpeg.h> |
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#include "va_display.h" |
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#define cY 0 |
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#define cCb 1 |
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#define cCr 2 |
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#define BLACK_Y 0 |
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#define BLACK_U 127 |
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#define BLACK_V 127 |
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#ifndef MIN |
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#define MIN(a, b) ((a) < (b) ? (a) : (b)) |
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#endif |
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#ifndef MAX |
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#define MAX(a, b) ((a) > (b) ? (a) : (b)) |
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#endif |
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#define ARRAY_ELEMS(a) (sizeof(a) / sizeof((a)[0])) |
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|
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#if DEBUG |
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#define trace(fmt, args...) do { \ |
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fprintf(stderr, fmt, ## args); \ |
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fflush(stderr); \ |
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} while(0) |
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#else |
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#define trace(fmt, args...) do { } while (0) |
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#endif |
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#define error(fmt, args...) do { \ |
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snprintf(error_string, sizeof(error_string), fmt, ## args); \ |
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return -1; \ |
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} while(0) |
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/* The variables for different image scans */ |
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static int scan_num=0; |
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static int next_image_found=0; |
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/* Global variable to return the last error found while deconding */ |
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static char error_string[256]; |
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static VAHuffmanTableBufferJPEGBaseline default_huffman_table_param={ |
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huffman_table: |
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{ |
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// lumiance component |
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{ |
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num_dc_codes:{0,1,5,1,1,1,1,1,1,0,0,0}, // 12 bits is ok for baseline profile |
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dc_values:{0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b}, |
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num_ac_codes:{0,2,1,3,3,2,4,3,5,5,4,4,0,0,1,125}, |
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ac_values:{ |
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0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, |
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0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07, |
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0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08, |
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0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0, |
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0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16, |
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0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28, |
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0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, |
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0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, |
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0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, |
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0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, |
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0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, |
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0x7a, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, |
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0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, |
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0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, |
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0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, |
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0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5, |
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0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4, |
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0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2, |
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0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, |
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0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, |
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0xf9, 0xfa |
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},/*,0xonly,0xthe,0xfirst,0x162,0xbytes,0xare,0xavailable,0x*/ |
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}, |
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// chrom component |
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{ |
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num_dc_codes:{0,3,1,1,1,1,1,1,1,1,1,0}, // 12 bits is ok for baseline profile |
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dc_values:{0,1,2,3,4,5,6,7,8,9,0xa,0xb}, |
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num_ac_codes:{0,2,1,2,4,4,3,4,7,5,4,4,0,1,2,119}, |
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ac_values:{ |
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0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21, |
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0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71, |
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0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91, |
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0xa1, 0xb1, 0xc1, 0x09, 0x23, 0x33, 0x52, 0xf0, |
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0x15, 0x62, 0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34, |
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0xe1, 0x25, 0xf1, 0x17, 0x18, 0x19, 0x1a, 0x26, |
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0x27, 0x28, 0x29, 0x2a, 0x35, 0x36, 0x37, 0x38, |
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0x39, 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, |
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0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, |
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0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, |
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0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, |
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0x79, 0x7a, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, |
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0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, |
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0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, |
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0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, |
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0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, |
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0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, |
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0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, |
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0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, |
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0xea, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, |
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0xf9, 0xfa |
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},/*,0xonly,0xthe,0xfirst,0x162,0xbytes,0xare,0xavailable,0x*/ |
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}, |
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} |
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}; |
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#define be16_to_cpu(x) (((x)[0]<<8)|(x)[1]) |
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static int build_default_huffman_tables(struct jdec_private *priv) |
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{ |
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int i = 0; |
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if (priv->default_huffman_table_initialized) |
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return 0; |
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for (i = 0; i < 4; i++) { |
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priv->HTDC_valid[i] = 1; |
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memcpy(priv->HTDC[i].bits, default_huffman_table_param.huffman_table[i].num_dc_codes, 16); |
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memcpy(priv->HTDC[i].values, default_huffman_table_param.huffman_table[i].dc_values, 16); |
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priv->HTAC_valid[i] = 1; |
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memcpy(priv->HTAC[i].bits, default_huffman_table_param.huffman_table[i].num_ac_codes, 16); |
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memcpy(priv->HTAC[i].values, default_huffman_table_param.huffman_table[i].ac_values, 256); |
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} |
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priv->default_huffman_table_initialized = 1; |
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return 0; |
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} |
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static void print_SOF(const unsigned char *stream) |
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{ |
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int width, height, nr_components, precision; |
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#if DEBUG |
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const char *nr_components_to_string[] = { |
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"????", |
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"Grayscale", |
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"????", |
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"YCbCr", |
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"CYMK" |
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}; |
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#endif |
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precision = stream[2]; |
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height = be16_to_cpu(stream+3); |
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width = be16_to_cpu(stream+5); |
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nr_components = stream[7]; |
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trace("> SOF marker\n"); |
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trace("Size:%dx%d nr_components:%d (%s) precision:%d\n", |
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width, height, |
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nr_components, nr_components_to_string[nr_components], |
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precision); |
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} |
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static int parse_DQT(struct jdec_private *priv, const unsigned char *stream) |
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{ |
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int qi; |
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const unsigned char *dqt_block_end; |
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trace("> DQT marker\n"); |
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dqt_block_end = stream + be16_to_cpu(stream); |
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stream += 2; /* Skip length */ |
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while (stream < dqt_block_end) |
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{ |
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qi = *stream++; |
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#if SANITY_CHECK |
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if (qi>>4) |
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error("16 bits quantization table is not supported\n"); |
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if (qi>4) |
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error("No more 4 quantization table is supported (got %d)\n", qi); |
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#endif |
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memcpy(priv->Q_tables[qi&0x0F], stream, 64); |
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priv->Q_tables_valid[qi & 0x0f] = 1; |
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stream += 64; |
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} |
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trace("< DQT marker\n"); |
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return 0; |
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} |
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static int parse_SOF(struct jdec_private *priv, const unsigned char *stream) |
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{ |
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int i, width, height, nr_components, cid, sampling_factor; |
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unsigned char Q_table; |
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struct component *c; |
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trace("> SOF marker\n"); |
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print_SOF(stream); |
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height = be16_to_cpu(stream+3); |
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width = be16_to_cpu(stream+5); |
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nr_components = stream[7]; |
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priv->nf_components = nr_components; |
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#if SANITY_CHECK |
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if (stream[2] != 8) |
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error("Precision other than 8 is not supported\n"); |
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if (width>JPEG_MAX_WIDTH || height>JPEG_MAX_HEIGHT) |
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printf("WARNING:Width and Height (%dx%d) seems suspicious\n", width, height); |
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if (nr_components != 3) |
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printf("ERROR:We only support YUV images\n"); |
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if (height%16) |
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printf("WARNING:Height need to be a multiple of 16 (current height is %d)\n", height); |
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if (width%16) |
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printf("WARNING:Width need to be a multiple of 16 (current Width is %d)\n", width); |
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#endif |
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stream += 8; |
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for (i=0; i<nr_components; i++) { |
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cid = *stream++; |
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sampling_factor = *stream++; |
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Q_table = *stream++; |
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c = &priv->component_infos[i]; |
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c->cid = cid; |
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if (Q_table >= COMPONENTS) |
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error("Bad Quantization table index (got %d, max allowed %d)\n", Q_table, COMPONENTS-1); |
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c->Vfactor = sampling_factor&0xf; |
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c->Hfactor = sampling_factor>>4; |
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c->quant_table_index = Q_table; |
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trace("Component:%d factor:%dx%d Quantization table:%d\n", |
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cid, c->Hfactor, c->Vfactor, Q_table ); |
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} |
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priv->width[scan_num] = width; |
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priv->height[scan_num] = height; |
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trace("< SOF marker\n"); |
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return 0; |
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} |
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static int parse_SOS(struct jdec_private *priv, const unsigned char *stream) |
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{ |
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unsigned int i, cid, table; |
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unsigned int nr_components = stream[2]; |
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trace("> SOS marker\n"); |
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priv->cur_sos.nr_components= nr_components; |
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stream += 3; |
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for (i=0;i<nr_components;i++) { |
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cid = *stream++; |
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table = *stream++; |
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priv->cur_sos.components[i].component_id = cid; |
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priv->cur_sos.components[i].dc_selector = ((table>>4)&0x0F); |
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priv->cur_sos.components[i].ac_selector = (table&0x0F); |
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#if SANITY_CHECK |
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if ((table&0xf)>=4) |
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error("We do not support more than 2 AC Huffman table\n"); |
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if ((table>>4)>=4) |
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error("We do not support more than 2 DC Huffman table\n"); |
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if (cid != priv->component_infos[i].cid) |
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error("SOS cid order (%d:%d) isn't compatible with the SOF marker (%d:%d)\n", |
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i, cid, i, priv->component_infos[i].cid); |
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trace("ComponentId:%d tableAC:%d tableDC:%d\n", cid, table&0xf, table>>4); |
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#endif |
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} |
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priv->stream = stream+3; |
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trace("< SOS marker\n"); |
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return 0; |
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} |
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int tinyjpeg_parse_SOS(struct jdec_private *priv, const unsigned char *stream) |
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{ |
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return parse_SOS(priv, stream); |
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} |
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static int parse_DHT(struct jdec_private *priv, const unsigned char *stream) |
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{ |
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unsigned int count, i; |
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int length, index; |
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unsigned char Tc, Th; |
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length = be16_to_cpu(stream) - 2; |
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stream += 2; /* Skip length */ |
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trace("> DHT marker (length=%d)\n", length); |
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while (length>0) { |
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index = *stream++; |
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Tc = index & 0xf0; // it is not important to <<4 |
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Th = index & 0x0f; |
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if (Tc) { |
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memcpy(priv->HTAC[index & 0xf].bits, stream, 16); |
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} |
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else { |
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memcpy(priv->HTDC[index & 0xf].bits, stream, 16); |
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} |
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count = 0; |
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for (i=0; i<16; i++) { |
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count += *stream++; |
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} |
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#if SANITY_CHECK |
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if (count >= HUFFMAN_BITS_SIZE) |
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error("No more than %d bytes is allowed to describe a huffman table", HUFFMAN_BITS_SIZE); |
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if ( (index &0xf) >= HUFFMAN_TABLES) |
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error("No more than %d Huffman tables is supported (got %d)\n", HUFFMAN_TABLES, index&0xf); |
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trace("Huffman table %s[%d] length=%d\n", (index&0xf0)?"AC":"DC", index&0xf, count); |
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#endif |
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if (Tc) { |
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memcpy(priv->HTAC[index & 0xf].values, stream, count); |
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priv->HTAC_valid[index & 0xf] = 1; |
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} |
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else { |
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memcpy(priv->HTDC[index & 0xf].values, stream, count); |
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priv->HTDC_valid[index & 0xf] = 1; |
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} |
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length -= 1; |
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length -= 16; |
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length -= count; |
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stream += count; |
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} |
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trace("< DHT marker\n"); |
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return 0; |
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} |
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static int parse_DRI(struct jdec_private *priv, const unsigned char *stream) |
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{ |
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unsigned int length; |
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trace("> DRI marker\n"); |
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length = be16_to_cpu(stream); |
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#if SANITY_CHECK |
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if (length != 4) |
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error("Length of DRI marker need to be 4\n"); |
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#endif |
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priv->restart_interval = be16_to_cpu(stream+2); |
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#if DEBUG |
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trace("Restart interval = %d\n", priv->restart_interval); |
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#endif |
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trace("< DRI marker\n"); |
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return 0; |
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} |
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static int findEOI(struct jdec_private *priv,const unsigned char *stream) |
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{ |
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while (!(*stream == 0xff && *(stream+1) == 0xd9 )&& stream<=priv->stream_end) //searching for the end of image marker |
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{ |
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stream++; |
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continue; |
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} |
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priv->stream_scan=stream; |
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return 0; |
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} |
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static int findSOI(struct jdec_private *priv,const unsigned char *stream) |
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{ |
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while (!(*stream == 0xff && *(stream+1) == 0xd8 ) ) //searching for the start of image marker |
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{ |
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if(stream<=priv->stream_end) |
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{ |
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stream++; |
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continue; |
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} |
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else |
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return 0; // No more images in the file. |
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} |
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priv->stream=stream+2; |
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return 1; |
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} |
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static int parse_JFIF(struct jdec_private *priv, const unsigned char *stream) |
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{ |
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int chuck_len; |
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int marker; |
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int sos_marker_found = 0; |
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int dht_marker_found = 0; |
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int dqt_marker_found = 0; |
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const unsigned char *next_chunck; |
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next_image_found = findSOI(priv,stream); |
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stream=priv->stream; |
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while (!sos_marker_found && stream<=priv->stream_end) |
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{ |
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while((*stream == 0xff)) |
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stream++; |
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marker = *stream++; |
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chuck_len = be16_to_cpu(stream); |
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next_chunck = stream + chuck_len; |
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switch (marker) |
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{ |
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case SOF: |
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if (parse_SOF(priv, stream) < 0) |
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return -1; |
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break; |
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case DQT: |
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if (parse_DQT(priv, stream) < 0) |
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return -1; |
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dqt_marker_found = 1; |
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break; |
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case SOS: |
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if (parse_SOS(priv, stream) < 0) |
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return -1; |
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sos_marker_found = 1; |
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break; |
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case DHT: |
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if (parse_DHT(priv, stream) < 0) |
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return -1; |
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dht_marker_found = 1; |
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break; |
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case DRI: |
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if (parse_DRI(priv, stream) < 0) |
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return -1; |
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break; |
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default: |
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trace("> Unknown marker %2.2x\n", marker); |
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break; |
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} |
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stream = next_chunck; |
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} |
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if(next_image_found){ |
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if (!dht_marker_found) { |
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trace("No Huffman table loaded, using the default one\n"); |
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build_default_huffman_tables(priv); |
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} |
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if (!dqt_marker_found) { |
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error("ERROR:No Quantization table loaded, using the default one\n"); |
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} |
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} |
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#ifdef SANITY_CHECK |
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if ( (priv->component_infos[cY].Hfactor < priv->component_infos[cCb].Hfactor) |
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|| (priv->component_infos[cY].Hfactor < priv->component_infos[cCr].Hfactor)) |
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error("Horizontal sampling factor for Y should be greater than horitontal sampling factor for Cb or Cr\n"); |
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if ( (priv->component_infos[cY].Vfactor < priv->component_infos[cCb].Vfactor) |
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|| (priv->component_infos[cY].Vfactor < priv->component_infos[cCr].Vfactor)) |
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error("Vertical sampling factor for Y should be greater than vertical sampling factor for Cb or Cr\n"); |
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if ( (priv->component_infos[cCb].Hfactor!=1) |
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|| (priv->component_infos[cCr].Hfactor!=1) |
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|| (priv->component_infos[cCb].Vfactor!=1) |
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|| (priv->component_infos[cCr].Vfactor!=1)) |
|
printf("ERROR:Sampling other than 1x1 for Cr and Cb is not supported"); |
|
#endif |
|
findEOI(priv,stream); |
|
return next_image_found; |
|
} |
|
|
|
/******************************************************************************* |
|
* |
|
* 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; |
|
priv->stream_length = size; |
|
priv->stream_end = priv->stream_begin + priv->stream_length; |
|
|
|
priv->stream = priv->stream_begin; |
|
ret = parse_JFIF(priv, priv->stream); |
|
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; |
|
|
|
int surface_type; |
|
char *type; |
|
int ChromaTypeIndex; |
|
|
|
VASurfaceAttrib forcc; |
|
forcc.type =VASurfaceAttribPixelFormat; |
|
forcc.flags=VA_SURFACE_ATTRIB_SETTABLE; |
|
forcc.value.type=VAGenericValueTypeInteger; |
|
|
|
|
|
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"); |
|
|
|
while (next_image_found){ |
|
VAPictureParameterBufferJPEGBaseline pic_param; |
|
memset(&pic_param, 0, sizeof(pic_param)); |
|
pic_param.picture_width = priv->width[scan_num]; |
|
pic_param.picture_height = priv->height[scan_num]; |
|
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; |
|
} |
|
int h1, h2, h3, v1, v2, v3; |
|
h1 = pic_param.components[0].h_sampling_factor; |
|
h2 = pic_param.components[1].h_sampling_factor; |
|
h3 = pic_param.components[2].h_sampling_factor; |
|
v1 = pic_param.components[0].v_sampling_factor; |
|
v2 = pic_param.components[1].v_sampling_factor; |
|
v3 = pic_param.components[2].v_sampling_factor; |
|
|
|
if (h1 == 2 && h2 == 1 && h3 == 1 && |
|
v1 == 2 && v2 == 1 && v3 == 1) { |
|
//surface_type = VA_RT_FORMAT_IMC3; |
|
surface_type = VA_RT_FORMAT_YUV420; |
|
forcc.value.value.i = VA_FOURCC_IMC3; |
|
ChromaTypeIndex = 1; |
|
type = "VA_FOURCC_IMC3"; |
|
} |
|
else if (h1 == 2 && h2 == 1 && h3 == 1 && |
|
v1 == 1 && v2 == 1 && v3 == 1) { |
|
//surface_type = VA_RT_FORMAT_YUV422H; |
|
surface_type = VA_RT_FORMAT_YUV422; |
|
forcc.value.value.i = VA_FOURCC_422H; |
|
ChromaTypeIndex = 2; |
|
type = "VA_FOURCC_422H"; |
|
} |
|
else if (h1 == 1 && h2 == 1 && h3 == 1 && |
|
v1 == 1 && v2 == 1 && v3 == 1) { |
|
surface_type = VA_RT_FORMAT_YUV444; |
|
forcc.value.value.i = VA_FOURCC_444P; |
|
//forcc.value.value.i = VA_FOURCC_RGBP; |
|
ChromaTypeIndex = 3; |
|
type = "VA_FOURCC_444P"; |
|
} |
|
else if (h1 == 4 && h2 == 1 && h3 == 1 && |
|
v1 == 1 && v2 == 1 && v3 == 1) { |
|
surface_type = VA_RT_FORMAT_YUV411; |
|
forcc.value.value.i = VA_FOURCC_411P; |
|
ChromaTypeIndex = 4; |
|
type = "VA_FOURCC_411P"; |
|
} |
|
else if (h1 == 1 && h2 == 1 && h3 == 1 && |
|
v1 == 2 && v2 == 1 && v3 == 1) { |
|
//surface_type = VA_RT_FORMAT_YUV422V; |
|
surface_type = VA_RT_FORMAT_YUV422; |
|
forcc.value.value.i = VA_FOURCC_422V; |
|
ChromaTypeIndex = 5; |
|
type = "VA_FOURCC_422V"; |
|
} |
|
else if (h1 == 2 && h2 == 1 && h3 == 1 && |
|
v1 == 2 && v2 == 2 && v3 == 2) { |
|
//surface_type = VA_RT_FORMAT_YUV422H; |
|
surface_type = VA_RT_FORMAT_YUV422; |
|
forcc.value.value.i = VA_FOURCC_422H; |
|
ChromaTypeIndex = 6; |
|
type = "VA_FOURCC_422H"; |
|
} |
|
else if (h2 == 2 && h2 == 2 && h3 == 2 && |
|
v1 == 2 && v2 == 1 && v3 == 1) { |
|
//surface_type = VA_RT_FORMAT_YUV422V; |
|
surface_type = VA_RT_FORMAT_YUV422; |
|
forcc.value.value.i = VA_FOURCC_422V; |
|
ChromaTypeIndex = 7; |
|
type = "VA_FOURCC_422V"; |
|
} |
|
else |
|
{ |
|
surface_type = VA_RT_FORMAT_YUV400; |
|
forcc.value.value.i = VA_FOURCC('Y','8','0','0'); |
|
ChromaTypeIndex = 0; |
|
type = "Format_400P"; |
|
} |
|
|
|
va_status = vaCreateSurfaces(va_dpy,surface_type, |
|
priv->width[scan_num],priv->height[scan_num], //alignment? |
|
&surface_id, 1, &forcc, 1); |
|
CHECK_VASTATUS(va_status, "vaCreateSurfaces"); |
|
|
|
/* Create a context for this decode pipe */ |
|
va_status = vaCreateContext(va_dpy, config_id, |
|
priv->width[scan_num], priv->height[scan_num], // alignment? |
|
VA_PROGRESSIVE, |
|
&surface_id, |
|
1, |
|
&context_id); |
|
CHECK_VASTATUS(va_status, "vaCreateContext"); |
|
|
|
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_scan - 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[scan_num]+max_h_factor*8-1)/(max_h_factor*8))* |
|
((priv->height[scan_num]+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_scan - 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[scan_num]; |
|
src_rect.height = priv->height[scan_num]; |
|
dst_rect = src_rect; |
|
|
|
va_status = va_put_surface(va_dpy, surface_id, &src_rect, &dst_rect); |
|
CHECK_VASTATUS(va_status, "vaPutSurface"); |
|
} |
|
scan_num++; |
|
|
|
vaDestroySurfaces(va_dpy,&surface_id,1); |
|
vaDestroyConfig(va_dpy,config_id); |
|
vaDestroyContext(va_dpy,context_id); |
|
|
|
parse_JFIF(priv,priv->stream); |
|
if(priv->width[scan_num] == 0 && priv->height[scan_num] == 0) |
|
break; |
|
} |
|
// va_close_display(va_dpy); |
|
vaTerminate(va_dpy); |
|
printf("press any key to exit23\n"); |
|
getchar(); |
|
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[scan_num]; |
|
*height = priv->height[scan_num]; |
|
} |
|
|
|
|
|
|