diff options
| -rw-r--r-- | test/decode/Makefile.am | 5 | ||||
| -rw-r--r-- | test/decode/loadjpeg.c | 134 | ||||
| -rw-r--r-- | test/decode/tinyjpeg-internal.h | 117 | ||||
| -rw-r--r-- | test/decode/tinyjpeg.c | 746 | ||||
| -rw-r--r-- | test/decode/tinyjpeg.h | 71 |
5 files changed, 1072 insertions, 1 deletions
diff --git a/test/decode/Makefile.am b/test/decode/Makefile.am index 59a318a..4ff144f 100644 --- a/test/decode/Makefile.am +++ b/test/decode/Makefile.am @@ -20,7 +20,7 @@ # TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE # SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -bin_PROGRAMS = mpeg2vldemo jpegdecode +bin_PROGRAMS = mpeg2vldemo jpegdecode loadjpeg INCLUDES = -I$(top_srcdir) @@ -32,6 +32,9 @@ mpeg2vldemo_SOURCES = mpeg2vldemo.cpp jpegdecode_LDADD = $(TEST_LIBS) jpegdecode_SOURCES = jpegdecode.cpp +loadjpeg_LDADD = $(TEST_LIBS) +loadjpeg_SOURCES = loadjpeg.c tinyjpeg.c + valgrind: $(bin_PROGRAMS) for a in $(bin_PROGRAMS); do \ valgrind --leak-check=full --show-reachable=yes .libs/$$a; \ diff --git a/test/decode/loadjpeg.c b/test/decode/loadjpeg.c new file mode 100644 index 0000000..3e1a60b --- /dev/null +++ b/test/decode/loadjpeg.c @@ -0,0 +1,134 @@ +/* + * Small jpeg decoder library - testing application + * + * 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 "tinyjpeg.h" +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> + +static void exitmessage(const char *message) __attribute__((noreturn)); +static void exitmessage(const char *message) +{ + printf("%s\n", message); + exit(0); +} + +static int filesize(FILE *fp) +{ + long pos; + fseek(fp, 0, SEEK_END); + pos = ftell(fp); + fseek(fp, 0, SEEK_SET); + return pos; +} + +/** + * Load one jpeg image, and decompress it, and save the result. + */ +int convert_one_image(const char *infilename) +{ + FILE *fp; + unsigned int length_of_file; + unsigned int width, height; + unsigned char *buf; + struct jdec_private *jdec; + + /* Load the Jpeg into memory */ + fp = fopen(infilename, "rb"); + if (fp == NULL) + exitmessage("Cannot open filename\n"); + length_of_file = filesize(fp); + buf = (unsigned char *)malloc(length_of_file + 4); + if (buf == NULL) + exitmessage("Not enough memory for loading file\n"); + fread(buf, length_of_file, 1, fp); + fclose(fp); + + /* Decompress it */ + jdec = tinyjpeg_init(); + if (jdec == NULL) + exitmessage("Not enough memory to alloc the structure need for decompressing\n"); + + if (tinyjpeg_parse_header(jdec, buf, length_of_file)<0) + exitmessage(tinyjpeg_get_errorstring(jdec)); + + /* Get the size of the image */ + tinyjpeg_get_size(jdec, &width, &height); + + printf("Decoding JPEG image %xx%x...\n", width, height); + if (tinyjpeg_decode(jdec) < 0) + exitmessage(tinyjpeg_get_errorstring(jdec)); + + tinyjpeg_free(jdec); + + free(buf); + return 0; +} + +static void usage(void) +{ + fprintf(stderr, "Usage: loadjpeg <input_filename.jpeg> \n"); + exit(1); +} + +/** + * main + * + */ +int main(int argc, char *argv[]) +{ + char *input_filename; + clock_t start_time, finish_time; + unsigned int duration; + int current_argument; + + if (argc < 2) + usage(); + + current_argument = 1; + input_filename = argv[current_argument]; + + start_time = clock(); + convert_one_image(input_filename); + finish_time = clock(); + duration = finish_time - start_time; + printf("Decoding finished in %u ticks\n", duration); + + return 0; +} + + + + diff --git a/test/decode/tinyjpeg-internal.h b/test/decode/tinyjpeg-internal.h new file mode 100644 index 0000000..c54b98e --- /dev/null +++ b/test/decode/tinyjpeg-internal.h @@ -0,0 +1,117 @@ +/* + * Small jpeg decoder library (Internal header) + * + * 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. + * + */ + + +#ifndef __TINYJPEG_INTERNAL_H_ +#define __TINYJPEG_INTERNAL_H_ + +#include <setjmp.h> + +#define SANITY_CHECK 1 + +struct jdec_private; + +#define HUFFMAN_BITS_SIZE 256 + +#define HUFFMAN_TABLES 4 +#define COMPONENTS 4 +#define JPEG_MAX_WIDTH 2048 +#define JPEG_MAX_HEIGHT 2048 + +enum std_markers { + DQT = 0xDB, /* Define Quantization Table */ + SOF = 0xC0, /* Start of Frame (size information) */ + DHT = 0xC4, /* Huffman Table */ + SOI = 0xD8, /* Start of Image */ + SOS = 0xDA, /* Start of Scan */ + RST = 0xD0, /* Reset Marker d0 -> .. */ + RST7 = 0xD7, /* Reset Marker .. -> d7 */ + EOI = 0xD9, /* End of Image */ + DRI = 0xDD, /* Define Restart Interval */ + APP0 = 0xE0, +}; + + +struct huffman_table +{ + /*bits and values*/ + unsigned char bits[16]; + unsigned char values[256]; +}; + +struct component +{ + unsigned int Hfactor; + unsigned int Vfactor; + unsigned char quant_table_index; + unsigned int cid; +}; + + +typedef void (*decode_MCU_fct) (struct jdec_private *priv); +typedef void (*convert_colorspace_fct) (struct jdec_private *priv); + +struct jpeg_sos +{ + unsigned int nr_components; + struct { + unsigned int component_id; + unsigned int dc_selector; + unsigned int ac_selector; + }components[4]; +}; + +struct jdec_private +{ + /* Public variables */ + unsigned int width, height; /* Size of the image */ + + /* Private variables */ + const unsigned char *stream_begin, *stream_end; + unsigned int stream_length; + + const unsigned char *stream; /* Pointer to the current stream */ + + struct component component_infos[COMPONENTS]; + unsigned int nf_components; + unsigned char Q_tables[COMPONENTS][64]; /* quantization tables, zigzag*/ + struct huffman_table HTDC[HUFFMAN_TABLES]; /* DC huffman tables */ + struct huffman_table HTAC[HUFFMAN_TABLES]; /* AC huffman tables */ + struct jpeg_sos cur_sos; /* current sos values*/ + int default_huffman_table_initialized; + int restart_interval; +}; + +#endif + diff --git a/test/decode/tinyjpeg.c b/test/decode/tinyjpeg.c new file mode 100644 index 0000000..5b77b18 --- /dev/null +++ b/test/decode/tinyjpeg.c @@ -0,0 +1,746 @@ +/* + * Small jpeg decoder library + * + * Copyright (c) 2006, Luc Saillard <luc@saillard.org> + * Copyright (c) 2012 Intel Corporation. + * All rights reserved. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * - Neither the name of the author nor the names of its contributors may be + * used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <stdint.h> +#include <errno.h> + +#include "tinyjpeg.h" +#include "tinyjpeg-internal.h" + +// for libva +#include <unistd.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <assert.h> +#include <va/va.h> +#include <va/va_x11.h> +#include <X11/Xlib.h> + + +#define cY 0 +#define cCb 1 +#define cCr 2 + +#define BLACK_Y 0 +#define BLACK_U 127 +#define BLACK_V 127 + +#if DEBUG +#define trace(fmt, args...) do { \ + fprintf(stderr, fmt, ## args); \ + fflush(stderr); \ +} while(0) +#else +#define trace(fmt, args...) do { } while (0) +#endif +#define error(fmt, args...) do { \ + snprintf(error_string, sizeof(error_string), fmt, ## args); \ + return -1; \ +} while(0) + +/* Global variable to return the last error found while deconding */ +static char error_string[256]; +static VAHuffmanTableBufferJPEG default_huffman_table_param={ + huffman_table: + { + // lumiance component + { + dc_bits:{0,1,5,1,1,1,1,1,1,0,0,0}, // 12 bits is ok for baseline profile + dc_huffval:{0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b}, + ac_bits:{0,2,1,3,3,2,4,3,5,5,4,4,0,0,1,125}, + ac_huffval:{ + 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, + 0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07, + 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08, + 0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0, + 0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16, + 0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28, + 0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, + 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, + 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, + 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, + 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, + 0x7a, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, + 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, + 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, + 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, + 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5, + 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4, + 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2, + 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, + 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, + 0xf9, 0xfa + },/*,0xonly,0xthe,0xfirst,0x162,0xbytes,0xare,0xavailable,0x*/ + }, + // chrom component + { + dc_bits:{0,3,1,1,1,1,1,1,1,1,1,0}, // 12 bits is ok for baseline profile + dc_huffval:{0,1,2,3,4,5,6,7,8,9,0xa,0xb}, + ac_bits:{0,2,1,2,4,4,3,4,7,5,4,4,0,1,2,119}, + ac_huffval:{ + 0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21, + 0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71, + 0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91, + 0xa1, 0xb1, 0xc1, 0x09, 0x23, 0x33, 0x52, 0xf0, + 0x15, 0x62, 0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34, + 0xe1, 0x25, 0xf1, 0x17, 0x18, 0x19, 0x1a, 0x26, + 0x27, 0x28, 0x29, 0x2a, 0x35, 0x36, 0x37, 0x38, + 0x39, 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, + 0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, + 0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, + 0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, + 0x79, 0x7a, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, + 0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, + 0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, + 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, + 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, + 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, + 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, + 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, + 0xea, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, + 0xf9, 0xfa + },/*,0xonly,0xthe,0xfirst,0x162,0xbytes,0xare,0xavailable,0x*/ + }, + } +}; + +#define be16_to_cpu(x) (((x)[0]<<8)|(x)[1]) + + +static int build_default_huffman_tables(struct jdec_private *priv) +{ + int i = 0; + if (priv->default_huffman_table_initialized) + return 0; + + for (i = 0; i < 4; i++) { + memcpy(priv->HTDC[i].bits, default_huffman_table_param.huffman_table[i].dc_bits, 16); + memcpy(priv->HTDC[i].values, default_huffman_table_param.huffman_table[i].dc_huffval, 16); + memcpy(priv->HTAC[i].bits, default_huffman_table_param.huffman_table[i].ac_bits, 16); + memcpy(priv->HTAC[i].values, default_huffman_table_param.huffman_table[i].ac_huffval, 256); + } + priv->default_huffman_table_initialized = 1; + return 0; +} + + +static void print_SOF(const unsigned char *stream) +{ + int width, height, nr_components, precision; +#if DEBUG + const char *nr_components_to_string[] = { + "????", + "Grayscale", + "????", + "YCbCr", + "CYMK" + }; +#endif + + precision = stream[2]; + height = be16_to_cpu(stream+3); + width = be16_to_cpu(stream+5); + nr_components = stream[7]; + + trace("> SOF marker\n"); + trace("Size:%dx%d nr_components:%d (%s) precision:%d\n", + width, height, + nr_components, nr_components_to_string[nr_components], + precision); +} + +static int parse_DQT(struct jdec_private *priv, const unsigned char *stream) +{ + int qi; + const unsigned char *dqt_block_end; + + trace("> DQT marker\n"); + dqt_block_end = stream + be16_to_cpu(stream); + stream += 2; /* Skip length */ + + while (stream < dqt_block_end) + { + qi = *stream++; +#if SANITY_CHECK + if (qi>>4) + error("16 bits quantization table is not supported\n"); + if (qi>4) + error("No more 4 quantization table is supported (got %d)\n", qi); +#endif + memcpy(priv->Q_tables[qi&0x0F], stream, 64); + stream += 64; + } + trace("< DQT marker\n"); + return 0; +} + +static int parse_SOF(struct jdec_private *priv, const unsigned char *stream) +{ + int i, width, height, nr_components, cid, sampling_factor; + unsigned char Q_table; + struct component *c; + + trace("> SOF marker\n"); + print_SOF(stream); + + height = be16_to_cpu(stream+3); + width = be16_to_cpu(stream+5); + nr_components = stream[7]; + priv->nf_components = nr_components; +#if SANITY_CHECK + if (stream[2] != 8) + error("Precision other than 8 is not supported\n"); + if (width>JPEG_MAX_WIDTH || height>JPEG_MAX_HEIGHT) + printf("WARNING:Width and Height (%dx%d) seems suspicious\n", width, height); + if (nr_components != 3) + printf("ERROR:We only support YUV images\n"); + if (height%16) + printf("WARNING:Height need to be a multiple of 16 (current height is %d)\n", height); + if (width%16) + printf("WARNING:Width need to be a multiple of 16 (current Width is %d)\n", width); +#endif + stream += 8; + for (i=0; i<nr_components; i++) { + cid = *stream++; + sampling_factor = *stream++; + Q_table = *stream++; + c = &priv->component_infos[i]; + c->cid = cid; + if (Q_table >= COMPONENTS) + error("Bad Quantization table index (got %d, max allowed %d)\n", Q_table, COMPONENTS-1); + c->Vfactor = sampling_factor&0xf; + c->Hfactor = sampling_factor>>4; + c->quant_table_index = Q_table; + trace("Component:%d factor:%dx%d Quantization table:%d\n", + cid, c->Hfactor, c->Vfactor, Q_table ); + + } + priv->width = width; + priv->height = height; + + trace("< SOF marker\n"); + + return 0; +} + +static int parse_SOS(struct jdec_private *priv, const unsigned char *stream) +{ + unsigned int i, cid, table; + unsigned int nr_components = stream[2]; + + trace("> SOS marker\n"); + + priv->cur_sos.nr_components= nr_components; + + stream += 3; + for (i=0;i<nr_components;i++) { + cid = *stream++; + table = *stream++; + priv->cur_sos.components[i].component_id = cid; + priv->cur_sos.components[i].dc_selector = ((table>>4)&0x0F); + priv->cur_sos.components[i].ac_selector = (table&0x0F); +#if SANITY_CHECK + if ((table&0xf)>=4) + error("We do not support more than 2 AC Huffman table\n"); + if ((table>>4)>=4) + error("We do not support more than 2 DC Huffman table\n"); + if (cid != priv->component_infos[i].cid) + error("SOS cid order (%d:%d) isn't compatible with the SOF marker (%d:%d)\n", + i, cid, i, priv->component_infos[i].cid); + trace("ComponentId:%d tableAC:%d tableDC:%d\n", cid, table&0xf, table>>4); +#endif + } + priv->stream = stream+3; + trace("< SOS marker\n"); + return 0; +} + +int tinyjpeg_parse_SOS(struct jdec_private *priv, const unsigned char *stream) +{ + return parse_SOS(priv, stream); +} + + +static int parse_DHT(struct jdec_private *priv, const unsigned char *stream) +{ + unsigned int count, i; + int length, index; + unsigned char Tc, Th; + + length = be16_to_cpu(stream) - 2; + stream += 2; /* Skip length */ + + trace("> DHT marker (length=%d)\n", length); + + while (length>0) { + index = *stream++; + + Tc = index & 0xf0; // it is not important to <<4 + Th = index & 0x0f; + if (Tc) { + memcpy(priv->HTAC[index & 0xf].bits, stream, 16); + } + else { + memcpy(priv->HTDC[index & 0xf].bits, stream, 12); + } + + count = 0; + for (i=0; i<16; i++) { + count += *stream++; + } + +#if SANITY_CHECK + if (count >= HUFFMAN_BITS_SIZE) + error("No more than %d bytes is allowed to describe a huffman table", HUFFMAN_BITS_SIZE); + if ( (index &0xf) >= HUFFMAN_TABLES) + error("No more than %d Huffman tables is supported (got %d)\n", HUFFMAN_TABLES, index&0xf); + trace("Huffman table %s[%d] length=%d\n", (index&0xf0)?"AC":"DC", index&0xf, count); +#endif + + if (Tc) { + memcpy(priv->HTAC[index & 0xf].values, stream, count); + } + else { + memcpy(priv->HTDC[index & 0xf].values, stream, count); + } + + length -= 1; + length -= 16; + length -= count; + stream += count; + } + trace("< DHT marker\n"); + return 0; +} +static int parse_DRI(struct jdec_private *priv, const unsigned char *stream) +{ + unsigned int length; + + trace("> DRI marker\n"); + + length = be16_to_cpu(stream); + +#if SANITY_CHECK + if (length != 4) + error("Length of DRI marker need to be 4\n"); +#endif + + priv->restart_interval = be16_to_cpu(stream+2); + +#if DEBUG + trace("Restart interval = %d\n", priv->restart_interval); +#endif + + trace("< DRI marker\n"); + + return 0; +} + + +static int parse_JFIF(struct jdec_private *priv, const unsigned char *stream) +{ + int chuck_len; + int marker; + int sos_marker_found = 0; + int dht_marker_found = 0; + int dqt_marker_found = 0; + const unsigned char *next_chunck; + + /* Parse marker */ + while (!sos_marker_found) + { + if (*stream++ != 0xff) + goto bogus_jpeg_format; + /* Skip any padding ff byte (this is normal) */ + while (*stream == 0xff) + stream++; + + marker = *stream++; + chuck_len = be16_to_cpu(stream); + next_chunck = stream + chuck_len; + switch (marker) + { + case SOF: + if (parse_SOF(priv, stream) < 0) + return -1; + break; + case DQT: + if (parse_DQT(priv, stream) < 0) + return -1; + dqt_marker_found = 1; + break; + case SOS: + if (parse_SOS(priv, stream) < 0) + return -1; + sos_marker_found = 1; + break; + case DHT: + if (parse_DHT(priv, stream) < 0) + return -1; + dht_marker_found = 1; + break; + case DRI: + if (parse_DRI(priv, stream) < 0) + return -1; + break; + default: + trace("> Unknown marker %2.2x\n", marker); + break; + } + + stream = next_chunck; + } + + if (!dht_marker_found) { + trace("No Huffman table loaded, using the default one\n"); + build_default_huffman_tables(priv); + } + if (!dqt_marker_found) { + error("ERROR:No Quantization table loaded, using the default one\n"); + } + +#ifdef SANITY_CHECK + if ( (priv->component_infos[cY].Hfactor < priv->component_infos[cCb].Hfactor) + || (priv->component_infos[cY].Hfactor < priv->component_infos[cCr].Hfactor)) + error("Horizontal sampling factor for Y should be greater than horitontal sampling factor for Cb or Cr\n"); + if ( (priv->component_infos[cY].Vfactor < priv->component_infos[cCb].Vfactor) + || (priv->component_infos[cY].Vfactor < priv->component_infos[cCr].Vfactor)) + error("Vertical sampling factor for Y should be greater than vertical sampling factor for Cb or Cr\n"); + if ( (priv->component_infos[cCb].Hfactor!=1) + || (priv->component_infos[cCr].Hfactor!=1) + || (priv->component_infos[cCb].Vfactor!=1) + || (priv->component_infos[cCr].Vfactor!=1)) + printf("ERROR:Sampling other than 1x1 for Cr and Cb is not supported"); +#endif + + return 0; +bogus_jpeg_format: + trace("Bogus jpeg format\n"); + return -1; +} + +/******************************************************************************* + * + * Functions exported of the library. + * + * Note: Some applications can access directly to internal pointer of the + * structure. It's is not recommended, but if you have many images to + * uncompress with the same parameters, some functions can be called to speedup + * the decoding. + * + ******************************************************************************/ + +/** + * Allocate a new tinyjpeg decoder object. + * + * Before calling any other functions, an object need to be called. + */ +struct jdec_private *tinyjpeg_init(void) +{ + struct jdec_private *priv; + + priv = (struct jdec_private *)calloc(1, sizeof(struct jdec_private)); + if (priv == NULL) + return NULL; + return priv; +} + +/** + * Free a tinyjpeg object. + * + * No others function can be called after this one. + */ +void tinyjpeg_free(struct jdec_private *priv) +{ + free(priv); +} + +/** + * Initialize the tinyjpeg object and prepare the decoding of the stream. + * + * Check if the jpeg can be decoded with this jpeg decoder. + * Fill some table used for preprocessing. + */ +int tinyjpeg_parse_header(struct jdec_private *priv, const unsigned char *buf, unsigned int size) +{ + int ret; + + /* Identify the file */ + if ((buf[0] != 0xFF) || (buf[1] != SOI)) + error("Not a JPG file ?\n"); + + priv->stream_begin = buf+2; + priv->stream_length = size-2; + priv->stream_end = priv->stream_begin + priv->stream_length; + + ret = parse_JFIF(priv, priv->stream_begin); + + return ret; +} + + +int tinyjpeg_decode(struct jdec_private *priv) +{ +#define CHECK_VASTATUS(va_status,func) \ + if (va_status != VA_STATUS_SUCCESS) { \ + fprintf(stderr,"%s:%s (%d) failed,exit\n", __func__, func, __LINE__); \ + exit(1); \ + } + + VAEntrypoint entrypoints[5]; + int num_entrypoints,vld_entrypoint; + VAConfigAttrib attrib; + VAConfigID config_id; + VASurfaceID surface_id; + VAContextID context_id; + VABufferID pic_param_buf,iqmatrix_buf,huffmantable_buf,slice_param_buf,slice_data_buf; + int major_ver, minor_ver; + Display *x11_display; + VADisplay va_dpy; + VAStatus va_status; + int max_h_factor, max_v_factor; + int putsurface=1; + unsigned int i; + + x11_display = XOpenDisplay(":0.0"); + + if (x11_display == NULL) { + fprintf(stderr, "Can't connect X server!\n"); + exit(-1); + } + + assert(x11_display); + + va_dpy = vaGetDisplay(x11_display); + va_status = vaInitialize(va_dpy, &major_ver, &minor_ver); + assert(va_status == VA_STATUS_SUCCESS); + + va_status = vaQueryConfigEntrypoints(va_dpy, VAProfileJPEGBaseline, entrypoints, + &num_entrypoints); + CHECK_VASTATUS(va_status, "vaQueryConfigEntrypoints"); + + for (vld_entrypoint = 0; vld_entrypoint < num_entrypoints; vld_entrypoint++) { + if (entrypoints[vld_entrypoint] == VAEntrypointVLD) + break; + } + if (vld_entrypoint == num_entrypoints) { + /* not find VLD entry point */ + assert(0); + } + + /* Assuming finding VLD, find out the format for the render target */ + attrib.type = VAConfigAttribRTFormat; + vaGetConfigAttributes(va_dpy, VAProfileJPEGBaseline, VAEntrypointVLD, + &attrib, 1); + if ((attrib.value & VA_RT_FORMAT_YUV420) == 0) { + /* not find desired YUV420 RT format */ + assert(0); + } + + va_status = vaCreateConfig(va_dpy, VAProfileJPEGBaseline, VAEntrypointVLD, + &attrib, 1,&config_id); + CHECK_VASTATUS(va_status, "vaQueryConfigEntrypoints"); + + va_status = vaCreateSurfaces(va_dpy,priv->width,priv->height, //alignment? + VA_RT_FORMAT_YUV420, 1, &surface_id); + CHECK_VASTATUS(va_status, "vaCreateSurfaces"); + + /* Create a context for this decode pipe */ + va_status = vaCreateContext(va_dpy, config_id, + priv->width, priv->height, // alignment? + VA_PROGRESSIVE, + &surface_id, + 1, + &context_id); + CHECK_VASTATUS(va_status, "vaCreateContext"); + + + VAPictureParameterBufferJPEG pic_param; + memset(&pic_param, 0, sizeof(pic_param)); + pic_param.type = VA_JPEG_SOF0; // tinyjpeg support baseline profile only, does it match va capability? + pic_param.sample_precision = 8; // tinyjpeg support baseline profile only, does it match va capability? + pic_param.image_width = priv->width; + pic_param.image_height = priv->height; + pic_param.num_components = priv->nf_components; + + for (i=0; i<pic_param.num_components; i++) { // tinyjpeg support 3 components only, does it match va? + pic_param.components[i].component_id = priv->component_infos[i].cid; + pic_param.components[i].h_sampling_factor = priv->component_infos[i].Hfactor; + pic_param.components[i].v_sampling_factor = priv->component_infos[i].Vfactor; + pic_param.components[i].quantiser_table_selector = priv->component_infos[i].quant_table_index; + } + + pic_param.roi.enabled = 0; + pic_param.roi.start_x = 0; + pic_param.roi.start_y = 0; + pic_param.roi.end_x = 0; + pic_param.roi.end_y = 0; + pic_param.rotation = 0; + + va_status = vaCreateBuffer(va_dpy, context_id, + VAPictureParameterBufferType, // VAPictureParameterBufferJPEG? + sizeof(VAPictureParameterBufferJPEG), + 1, &pic_param, + &pic_param_buf); + CHECK_VASTATUS(va_status, "vaCreateBuffer"); + + VAIQMatrixBufferJPEG iq_matrix; + // todo, only mask it if non-default quant matrix is used. do we need build default quant matrix? + memset(&iq_matrix, 0, sizeof(VAIQMatrixBufferJPEG)); + for (i = 0; i < COMPONENTS; i++) { + iq_matrix.precision[i] = 0; + memcpy(iq_matrix.quantiser_matrix[i], priv->Q_tables[i], 64); + } + va_status = vaCreateBuffer(va_dpy, context_id, + VAIQMatrixBufferType, // VAIQMatrixBufferJPEG? + sizeof(VAIQMatrixBufferJPEG), + 1, &iq_matrix, + &iqmatrix_buf ); + CHECK_VASTATUS(va_status, "vaCreateBuffer"); + + VAHuffmanTableBufferJPEG huffman_table; + memset(&huffman_table, 0, sizeof(VAHuffmanTableBufferJPEG)); + for (i = 0; i < COMPONENTS; i++) { + memcpy(huffman_table.huffman_table[i].dc_bits, priv->HTDC[i].bits, 16); + memcpy(huffman_table.huffman_table[i].dc_huffval, priv->HTDC[i].values, 16); + memcpy(huffman_table.huffman_table[i].ac_bits, priv->HTAC[i].bits, 16); + memcpy(huffman_table.huffman_table[i].ac_huffval, priv->HTAC[i].values, 256); + } + + va_status = vaCreateBuffer(va_dpy, context_id, + VAHuffmanTableBufferType, // VAHuffmanTableBufferJPEG? + sizeof(VAHuffmanTableBufferJPEG), + 1, &huffman_table, + &huffmantable_buf ); + CHECK_VASTATUS(va_status, "vaCreateBuffer"); + + // one slice for whole image? + max_h_factor = priv->component_infos[0].Hfactor; + max_v_factor = priv->component_infos[0].Vfactor; + static VASliceParameterBufferJPEG slice_param; + slice_param.slice_data_size = priv->stream_end - priv->stream; + slice_param.slice_data_offset = 0; + slice_param.slice_data_flag = VA_SLICE_DATA_FLAG_ALL; + slice_param.slice_horizontal_position = 0; + slice_param.slice_vertical_position = 0; + slice_param.num_components = priv->cur_sos.nr_components; + for (i = 0; i < slice_param.num_components; i++) { + slice_param.components[i].component_id = priv->cur_sos.components[i].component_id; /* FIXME: set to values specified in SOS */ + slice_param.components[i].dc_selector = priv->cur_sos.components[i].dc_selector; /* FIXME: set to values specified in SOS */ + slice_param.components[i].ac_selector = priv->cur_sos.components[i].ac_selector; /* FIXME: set to values specified in SOS */ + } + slice_param.restart_interval = priv->restart_interval; + slice_param.num_mcus = ((priv->width+max_h_factor*8-1)/(max_h_factor*8))* + ((priv->height+max_v_factor*8-1)/(max_v_factor*8)); // ?? 720/16? + + va_status = vaCreateBuffer(va_dpy, context_id, + VASliceParameterBufferType, // VASliceParameterBufferJPEG? + sizeof(VASliceParameterBufferJPEG), + 1, + &slice_param, &slice_param_buf); + CHECK_VASTATUS(va_status, "vaCreateBuffer"); + + va_status = vaCreateBuffer(va_dpy, context_id, + VASliceDataBufferType, + priv->stream_end - priv->stream, + 1, + (void*)priv->stream, // jpeg_clip, + &slice_data_buf); + CHECK_VASTATUS(va_status, "vaCreateBuffer"); + + va_status = vaBeginPicture(va_dpy, context_id, surface_id); + CHECK_VASTATUS(va_status, "vaBeginPicture"); + + va_status = vaRenderPicture(va_dpy,context_id, &pic_param_buf, 1); + CHECK_VASTATUS(va_status, "vaRenderPicture"); + + va_status = vaRenderPicture(va_dpy,context_id, &iqmatrix_buf, 1); + CHECK_VASTATUS(va_status, "vaRenderPicture"); + + va_status = vaRenderPicture(va_dpy,context_id, &huffmantable_buf, 1); + CHECK_VASTATUS(va_status, "vaRenderPicture"); + + va_status = vaRenderPicture(va_dpy,context_id, &slice_param_buf, 1); + CHECK_VASTATUS(va_status, "vaRenderPicture"); + + va_status = vaRenderPicture(va_dpy,context_id, &slice_data_buf, 1); + CHECK_VASTATUS(va_status, "vaRenderPicture"); + + va_status = vaEndPicture(va_dpy,context_id); + CHECK_VASTATUS(va_status, "vaEndPicture"); + + va_status = vaSyncSurface(va_dpy, surface_id); + CHECK_VASTATUS(va_status, "vaSyncSurface"); + + if (putsurface) { + Window win; + win = XCreateSimpleWindow(x11_display, RootWindow(x11_display, 0), 0, 0, + priv->width,priv->height, 0, 0, WhitePixel(x11_display, 0)); + XMapWindow(x11_display, win); + XSync(x11_display, False); + va_status = vaPutSurface(va_dpy, surface_id, win, + 0,0,priv->width,priv->height, + 0,0,priv->width,priv->height, + NULL,0,0); + CHECK_VASTATUS(va_status, "vaPutSurface"); + } + printf("press any key to exit\n"); + getchar(); + + vaDestroySurfaces(va_dpy,&surface_id,1); + vaDestroyConfig(va_dpy,config_id); + vaDestroyContext(va_dpy,context_id); + + vaTerminate(va_dpy); + XCloseDisplay(x11_display); + + return 0; +} +const char *tinyjpeg_get_errorstring(struct jdec_private *priv) +{ + /* FIXME: the error string must be store in the context */ + priv = priv; + return error_string; +} +void tinyjpeg_get_size(struct jdec_private *priv, unsigned int *width, unsigned int *height) +{ + *width = priv->width; + *height = priv->height; +} + + diff --git a/test/decode/tinyjpeg.h b/test/decode/tinyjpeg.h new file mode 100644 index 0000000..5a76e41 --- /dev/null +++ b/test/decode/tinyjpeg.h @@ -0,0 +1,71 @@ +/* + * Small jpeg decoder library (header file) + * + * 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. + * + */ + + +#ifndef __JPEGDEC_H__ +#define __JPEGDEC_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +struct jdec_private; + +/* Flags that can be set by any applications */ +#define TINYJPEG_FLAGS_MJPEG_TABLE (1<<1) + +/* Format accepted in outout */ +enum tinyjpeg_fmt { + TINYJPEG_FMT_GREY = 1, + TINYJPEG_FMT_BGR24, + TINYJPEG_FMT_RGB24, + TINYJPEG_FMT_YUV420P, +}; + +struct jdec_private *tinyjpeg_init(void); +void tinyjpeg_free(struct jdec_private *priv); + +int tinyjpeg_parse_header(struct jdec_private *priv, const unsigned char *buf, unsigned int size); +int tinyjpeg_decode(struct jdec_private *priv); +const char *tinyjpeg_get_errorstring(struct jdec_private *priv); +void tinyjpeg_get_size(struct jdec_private *priv, unsigned int *width, unsigned int *height); + +#ifdef __cplusplus +} +#endif + +#endif + + + |