| 0,0 → 1,758 |
|---|
| /* |
| * 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; |
| } |
| |
| |