/* * Copyright (c) 2011 Intel Corporation. All Rights Reserved. * Copyright (c) Imagination Technologies Limited, UK * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sub license, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * * Authors: * Guo Nana * Zeng Li * */ #include "va/va_dec_jpeg.h" #include "tng_jpegdec.h" #include "tng_vld_dec.h" #include "psb_def.h" #include "psb_drv_debug.h" #include "hwdefs/reg_io2.h" #include "hwdefs/msvdx_offsets.h" #include "hwdefs/msvdx_cmds_io2.h" #include "hwdefs/msvdx_vec_reg_io2.h" #include "hwdefs/msvdx_vec_jpeg_reg_io2.h" #include "hwdefs/dxva_fw_ctrl.h" #include #include #include #include #define GET_SURFACE_INFO_is_defined(psb_surface) ((int) (psb_surface->extra_info[0])) #define SET_SURFACE_INFO_is_defined(psb_surface, val) psb_surface->extra_info[0] = (uint32_t) val; #define GET_SURFACE_INFO_picture_structure(psb_surface) (psb_surface->extra_info[1]) #define SET_SURFACE_INFO_picture_structure(psb_surface, val) psb_surface->extra_info[1] = val; #define GET_SURFACE_INFO_picture_coding_type(psb_surface) ((int) (psb_surface->extra_info[2])) #define SET_SURFACE_INFO_picture_coding_type(psb_surface, val) psb_surface->extra_info[2] = (uint32_t) val; #define JPEG_MAX_SETS_HUFFMAN_TABLES 2 #define JPEG_MAX_QUANT_TABLES 4 #define TABLE_CLASS_DC 0 #define TABLE_CLASS_AC 1 #define TABLE_CLASS_NUM 2 #define JPEG_PROFILE_BASELINE 0 /************************************/ /* VLC table defines and structures */ /* max number of bits allowed in a VLC code */ #define JPG_VLC_MAX_CODE_LEN (16) /* max num bits to decode in any one decode direct operation */ #define JPG_VLC_MAX_DIRECT_WIDTH (6) static const uint8_t inverse_zigzag[64] = { 0x00, 0x01, 0x05, 0x06, 0x0e, 0x0f, 0x1b, 0x1c, 0x02, 0x04, 0x07, 0x0D, 0x10, 0x1a, 0x1d, 0x2a, 0x03, 0x08, 0x0C, 0x11, 0x19, 0x1e, 0x29, 0x2b, 0x09, 0x0B, 0x12, 0x18, 0x1f, 0x28, 0x2c, 0x35, 0x0A, 0x13, 0x17, 0x20, 0x27, 0x2d, 0x34, 0x36, 0x14, 0x16, 0x21, 0x26, 0x2e, 0x33, 0x37, 0x3c, 0x15, 0x22, 0x25, 0x2f, 0x32, 0x38, 0x3b, 0x3d, 0x23, 0x24, 0x30, 0x31, 0x39, 0x3a, 0x3e, 0x3f }; /* ****************************************************************************** This structure defines the VLC code used for a partiular symbol ******************************************************************************/ typedef struct { uint16_t code; // VLC code with valid data in top-most bits uint8_t code_length; // VLC code length uint8_t symbol; } vlc_symbol_code_jpeg; // VLCSymbolCodeJPEG /* ****************************************************************************** This structure describes a set of VLC codes for a particular Huffman tree ******************************************************************************/ typedef struct { uint32_t num_codes; uint32_t min_len; uint32_t max_len; } vlc_symbol_stats_jpeg; // VLCSymbolStatsJPEG /* ****************************************************************************** This structure describes the generated VLC code table ******************************************************************************/ typedef struct { uint32_t size; uint32_t initial_width; uint32_t initial_opcode; } vlc_table_stats_jpeg; // VLCTableStatsJPEG /**************************************/ /* JPEG VLC Table defines and OpCodes */ #define JPG_MAKE_MASK(X) ((1<<(X))-1) #define JPG_INSTR_OP_CODE_WIDTH (3) #define JPG_INSTR_SHIFT_WIDTH (3) #define JPG_INSTR_OFFSET_WIDTH (9) #define JPG_INSTR_OP_CODE_MASK JPG_MAKE_MASK(JPG_JPG_INSTR_OP_CODE_WIDTH) #define JPG_INSTR_SHIFT_MASK JPG_MAKE_MASK(JPG_INSTR_SHIFT_WIDTH) #define JPG_INSTR_OFFSET_MASK JPG_MAKE_MASK(JPG_INSTR_OFFSET_WIDTH) #define JPG_MAKE_OFFSET(code,width,leading) \ (((code<> (JPG_VLC_MAX_CODE_LEN-width)) typedef enum { JPG_OP_DECODE_DIRECT = 0, JPG_OP_DECODE_LEADING_1, JPG_OP_DECODE_LEADING_0, JPG_OP_CODE_INVALID, JPG_OP_VALID_SYMBOL, JPG_OP_VALID_RANGE_EVEN, JPG_OP_VALID_RANGE_ODD, JPG_OP_VALID_RANGE_EVEN_SET_FLAG, } vlc_op_code_jpeg; // VLCOpCodeJPEG /**************************************/ struct context_JPEG_s { struct context_DEC_s dec_ctx; object_context_p obj_context; /* back reference */ uint32_t profile; /* Picture parameters */ VAPictureParameterBufferJPEGBaseline *pic_params; uint32_t display_picture_width; /* in pixels */ uint32_t display_picture_height; /* in pixels */ uint32_t coded_picture_width; /* in pixels */ uint32_t coded_picture_height; /* in pixels */ uint32_t MCU_width; uint32_t MCU_height; uint32_t size_mb; /* in macroblocks */ uint32_t picture_width_mb; /* in macroblocks */ uint32_t picture_height_mb; /* in macroblocks */ uint8_t max_scalingH; uint8_t max_scalingV; /* VLC packed data */ struct psb_buffer_s vlc_packed_table; uint32_t vlctable_buffer_size; uint32_t rendec_qmatrix[JPEG_MAX_QUANT_TABLES][16]; /* Huffman table information as parsed from the bitstream */ vlc_symbol_code_jpeg* symbol_codes[TABLE_CLASS_NUM][JPEG_MAX_SETS_HUFFMAN_TABLES]; vlc_symbol_stats_jpeg symbol_stats[TABLE_CLASS_NUM][JPEG_MAX_SETS_HUFFMAN_TABLES]; /* Huffman table information compiled for the hardware */ uint32_t huffman_table_space; uint16_t* huffman_table_RAM; vlc_table_stats_jpeg table_stats[TABLE_CLASS_NUM][JPEG_MAX_SETS_HUFFMAN_TABLES]; }; typedef struct context_JPEG_s *context_JPEG_p; #define INIT_CONTEXT_JPEG context_JPEG_p ctx = (context_JPEG_p) obj_context->format_data; #define SURFACE(id) ((object_surface_p) object_heap_lookup( &ctx->obj_context->driver_data->surface_heap, id )) static void tng_JPEG_QueryConfigAttributes( VAProfile __maybe_unused profile, VAEntrypoint __maybe_unused entrypoint, VAConfigAttrib __maybe_unused * attrib_list, int __maybe_unused num_attribs) { /* No JPEG specific attributes */ } static VAStatus tng_JPEG_ValidateConfig(object_config_p obj_config) { int i; /* Check all attributes */ for (i = 0; i < obj_config->attrib_count; i++) { switch (obj_config->attrib_list[i].type) { case VAConfigAttribRTFormat: /* Ignore */ break; default: return VA_STATUS_ERROR_ATTR_NOT_SUPPORTED; } } return VA_STATUS_SUCCESS; } static VAStatus tng__JPEG_check_legal_picture(object_context_p obj_context, object_config_p obj_config) { VAStatus vaStatus = VA_STATUS_SUCCESS; if (NULL == obj_context) { vaStatus = VA_STATUS_ERROR_INVALID_CONTEXT; DEBUG_FAILURE; return vaStatus; } if (NULL == obj_config) { vaStatus = VA_STATUS_ERROR_INVALID_CONFIG; DEBUG_FAILURE; return vaStatus; } switch (obj_config->profile) { case VAProfileJPEGBaseline: if ((obj_context->picture_width <= 0) || (obj_context->picture_height <= 0)) { vaStatus = VA_STATUS_ERROR_RESOLUTION_NOT_SUPPORTED; } break; default: vaStatus = VA_STATUS_ERROR_UNSUPPORTED_PROFILE; break; } return vaStatus; } static void tng_JPEG_DestroyContext(object_context_p obj_context); static void tng__JPEG_process_slice_data(context_DEC_p dec_ctx, VASliceParameterBufferBase *vld_slice_param); static void tng__JPEG_end_slice(context_DEC_p dec_ctx); static void tng__JPEG_begin_slice(context_DEC_p dec_ctx, VASliceParameterBufferBase *vld_slice_param); static VAStatus tng_JPEG_process_buffer(context_DEC_p dec_ctx, object_buffer_p buffer); static VAStatus tng_JPEG_CreateContext( object_context_p obj_context, object_config_p obj_config) { VAStatus vaStatus = VA_STATUS_SUCCESS; context_JPEG_p ctx; /* Validate flag */ /* Validate picture dimensions */ vaStatus = tng__JPEG_check_legal_picture(obj_context, obj_config); if (VA_STATUS_SUCCESS != vaStatus) { DEBUG_FAILURE; return vaStatus; } ctx = (context_JPEG_p) calloc(1, sizeof(struct context_JPEG_s)); if (NULL == ctx) { vaStatus = VA_STATUS_ERROR_ALLOCATION_FAILED; DEBUG_FAILURE; return vaStatus; } obj_context->format_data = (void*) ctx; ctx->obj_context = obj_context; ctx->pic_params = NULL; ctx->dec_ctx.begin_slice = tng__JPEG_begin_slice; ctx->dec_ctx.process_slice = tng__JPEG_process_slice_data; ctx->dec_ctx.end_slice = tng__JPEG_end_slice; ctx->dec_ctx.process_buffer = tng_JPEG_process_buffer; ctx->dec_ctx.preload_buffer = NULL; switch (obj_config->profile) { case VAProfileJPEGBaseline: drv_debug_msg(VIDEO_DEBUG_GENERAL, "JPEG_PROFILE_BASELINE\n"); ctx->profile = JPEG_PROFILE_BASELINE; break; default: ASSERT(0 == 1); vaStatus = VA_STATUS_ERROR_UNKNOWN; } ctx->vlctable_buffer_size = 1984 * 2; if (vaStatus == VA_STATUS_SUCCESS) { vaStatus = psb_buffer_create(obj_context->driver_data, ctx->vlctable_buffer_size, psb_bt_cpu_vpu, &ctx->vlc_packed_table); DEBUG_FAILURE; } if (vaStatus == VA_STATUS_SUCCESS) { vaStatus = vld_dec_CreateContext(&ctx->dec_ctx, obj_context); DEBUG_FAILURE; } if (vaStatus != VA_STATUS_SUCCESS) { tng_JPEG_DestroyContext(obj_context); } return vaStatus; } static void tng_JPEG_DestroyContext( object_context_p obj_context) { INIT_CONTEXT_JPEG int i; vld_dec_DestroyContext(&ctx->dec_ctx); psb_buffer_destroy(&ctx->vlc_packed_table); if (ctx->pic_params) { free(ctx->pic_params); ctx->pic_params = NULL; } if (ctx->symbol_codes[0][0]) { free(ctx->symbol_codes[0][0]); ctx->symbol_codes[0][0] = NULL; } if (ctx->symbol_codes[0][1]) { free(ctx->symbol_codes[0][1]); ctx->symbol_codes[0][1] = NULL; } if (ctx->symbol_codes[1][0]) { free(ctx->symbol_codes[1][0]); ctx->symbol_codes[1][0] = NULL; } if (ctx->symbol_codes[1][1]) { free(ctx->symbol_codes[1][1]); ctx->symbol_codes[1][1] = NULL; } free(obj_context->format_data); obj_context->format_data = NULL; } static uint16_t jpg_vlc_valid_symbol(const vlc_symbol_code_jpeg * symbol_code, const uint32_t leading) { uint16_t entry = 0; IMG_ASSERT( (symbol_code->code_length - leading - 1) >= 0 ); /* VLC microcode entry for a valid symbol */ entry |= (JPG_OP_VALID_SYMBOL << (JPG_INSTR_SHIFT_WIDTH+JPG_INSTR_OFFSET_WIDTH)); entry |= ((symbol_code->code_length - leading - 1) << JPG_INSTR_OFFSET_WIDTH); entry |= symbol_code->symbol; return entry; } static uint32_t jpg_vlc_write_direct_command(uint16_t * const vlc_ram, uint32_t result_offset) { uint32_t width = 0x7fff & *vlc_ram; uint16_t entry = 0; /* check that the max width read from the VLC entry is valid */ IMG_ASSERT( 0x8000 & *vlc_ram ); /* limit to the maximum width for this algorithm */ width = (width > JPG_VLC_MAX_DIRECT_WIDTH)? JPG_VLC_MAX_DIRECT_WIDTH: width; /* VLC microcode for decode direct command */ entry |= (JPG_OP_DECODE_DIRECT << (JPG_INSTR_SHIFT_WIDTH+JPG_INSTR_OFFSET_WIDTH)); entry |= ((width - 1) << JPG_INSTR_OFFSET_WIDTH); entry |= result_offset; /* write command */ *vlc_ram = entry; return width; } static uint32_t jpg_vlc_get_offset(const vlc_symbol_code_jpeg * symbol_code, uint32_t width, uint32_t leading) { uint32_t offset; /* lose bits already decoded */ offset = symbol_code->code << leading; offset &= JPG_MAKE_MASK(JPG_VLC_MAX_CODE_LEN); /* convert truncated code to offset */ offset >>= (JPG_VLC_MAX_CODE_LEN - width); return offset; } static uint32_t jpg_vlc_decode_direct_symbols(const vlc_symbol_code_jpeg * symbol_code, uint16_t * const table_ram, const uint32_t width, const uint32_t leading) { uint32_t offset, limit; uint16_t entry; /* this function is only for codes short enough to produce valid symbols */ IMG_ASSERT( symbol_code->code_length <= leading + width ); IMG_ASSERT( symbol_code->code_length > leading ); /* lose bits already decoded */ offset = symbol_code->code << leading; offset &= JPG_MAKE_MASK(JPG_VLC_MAX_CODE_LEN); /* convert truncated code to offset */ offset >>= (JPG_VLC_MAX_CODE_LEN - width); /* expand offset to encorporate undefined code bits */ limit = offset + (1 << (width - (symbol_code->code_length - leading))); /* for all code variants - insert symbol into the decode direct result table */ entry = jpg_vlc_valid_symbol( symbol_code, leading ); for (; offset < limit; offset++) { table_ram[offset] = entry; } /* return the number of entries written */ return limit - offset - 1; } static uint32_t jpg_vlc_decode_direct( const vlc_symbol_code_jpeg * symbol_codes, const uint32_t num_codes, uint16_t * const table_ram, const uint32_t direct_width, const uint32_t leading_width, const uint32_t leading_pattern) { const uint32_t next_leading_width = leading_width + direct_width; const uint32_t next_leading_mask = JPG_MAKE_MASK(next_leading_width) << (JPG_VLC_MAX_CODE_LEN-next_leading_width); const uint32_t leading_mask = JPG_MAKE_MASK(leading_width) << (JPG_VLC_MAX_CODE_LEN-leading_width); uint32_t num_vlc_ops = 1 << direct_width; uint32_t next_section, next_width, next_leading_pattern; uint32_t offset; uint32_t i; /* sanity - check this decode direct will not exceed the max code len */ IMG_ASSERT(next_leading_width <= JPG_VLC_MAX_CODE_LEN); /* set all VLC ops for this decode direct to invalid */ for (i = 0; i < num_vlc_ops; i++) { table_ram[i] = (JPG_OP_CODE_INVALID << (JPG_INSTR_SHIFT_WIDTH+JPG_INSTR_OFFSET_WIDTH)); } /* iterate over code table and insert VLC ops until */ /* codes become too long for this iteration or we run out of codes */ for (i = 0; symbol_codes[i].code_length <= next_leading_width && i < num_codes; i++) { /* only use codes that match the specified leading portion */ if ((((uint32_t)symbol_codes[i].code) & leading_mask) == leading_pattern) { jpg_vlc_decode_direct_symbols(&symbol_codes[i], table_ram, direct_width, leading_width ); } } next_section = i; /* assign the longest code length for each remaining entry */ for (i = next_section; i < num_codes; i++) { /* only use codes that match the specified leading portion */ if ((((uint32_t)symbol_codes[i].code) & leading_mask) == leading_pattern) { /* enable the unused VLC bit to indicate this is not a command */ offset = jpg_vlc_get_offset(&symbol_codes[i], direct_width, leading_width); table_ram[offset] = 0x8000 | (symbol_codes[i].code_length - next_leading_width); } } /* for the remaining (long) codes */ for (i = next_section; i < num_codes; i++) { /* only use codes that match the specified leading portion */ if ((((uint32_t)symbol_codes[i].code) & leading_mask) == leading_pattern) { /* if a command has not been written for this direct offset */ offset = jpg_vlc_get_offset(&symbol_codes[i], direct_width, leading_width); if (table_ram[offset] & 0x8000) { /* write command the decode direct command */ next_width = jpg_vlc_write_direct_command( &table_ram[offset], num_vlc_ops - offset ); next_leading_pattern = (uint32_t)symbol_codes[i].code & next_leading_mask; /* decode direct recursive call */ num_vlc_ops += jpg_vlc_decode_direct( &symbol_codes[i], num_codes - i, &table_ram[num_vlc_ops], next_width, next_leading_width, next_leading_pattern); } } } return num_vlc_ops; } static void JPG_VLC_CompileTable( const vlc_symbol_code_jpeg * symbol_codes, const vlc_symbol_stats_jpeg * psSymbolStats, const uint32_t __maybe_unused ram_size, uint16_t * table_ram, vlc_table_stats_jpeg * ptable_stats) { ptable_stats->initial_width = 5; ptable_stats->initial_opcode = JPG_OP_DECODE_DIRECT; ptable_stats->size = jpg_vlc_decode_direct( symbol_codes, psSymbolStats->num_codes, table_ram, JPG_VLC_MAX_DIRECT_WIDTH, 0, 0); IMG_ASSERT( ptable_stats->size <= ram_size ); } static void compile_huffman_tables(context_JPEG_p ctx) { VAStatus vaStatus = VA_STATUS_SUCCESS; ctx->huffman_table_space = 1984; if (0 == psb_buffer_map(&ctx->vlc_packed_table, (unsigned char **)&ctx->huffman_table_RAM)) { // Compile Tables uint32_t table_class; uint32_t table_id; for (table_class = 0; table_class < TABLE_CLASS_NUM; table_class++) { for (table_id = 0; table_id < JPEG_MAX_SETS_HUFFMAN_TABLES; table_id++) { if (ctx->symbol_stats[table_class][table_id].num_codes) { JPG_VLC_CompileTable(ctx->symbol_codes[table_class][table_id], &ctx->symbol_stats[table_class][table_id], ctx->huffman_table_space, ctx->huffman_table_RAM, &ctx->table_stats[table_class][table_id]); ctx->huffman_table_space -= ctx->table_stats[table_class][table_id].size; ctx->huffman_table_RAM += ctx->table_stats[table_class][table_id].size; } } } psb_buffer_unmap(&ctx->vlc_packed_table); } else { vaStatus = VA_STATUS_ERROR_ALLOCATION_FAILED; DEBUG_FAILURE; } } static VAStatus tng__JPEG_process_picture_param(context_JPEG_p ctx, object_buffer_p obj_buffer) { VAStatus vaStatus; ASSERT(obj_buffer->type == VAPictureParameterBufferType); ASSERT(obj_buffer->num_elements == 1); ASSERT(obj_buffer->size == sizeof(VAPictureParameterBufferJPEGBaseline)); if ((obj_buffer->num_elements != 1) || (obj_buffer->size != sizeof(VAPictureParameterBufferJPEGBaseline))) { return VA_STATUS_ERROR_UNKNOWN; } /* Transfer ownership of VAPictureParameterBufferJPEGBaseline data */ if (ctx->pic_params) { free(ctx->pic_params); } ctx->pic_params = (VAPictureParameterBufferJPEGBaseline *) obj_buffer->buffer_data; ctx->display_picture_width = ctx->pic_params->picture_width; ctx->display_picture_height = ctx->pic_params->picture_height; ctx->coded_picture_width = ( ctx->display_picture_width + 7 ) & ( ~7 ); ctx->coded_picture_height = ( ctx->display_picture_height + 7 ) & ( ~7 ); ctx->max_scalingH = 0; ctx->max_scalingV = 0; uint8_t component_id; for (component_id = 0; component_id < ctx->pic_params->num_components; component_id++) { if (ctx->max_scalingH < ctx->pic_params->components->h_sampling_factor) ctx->max_scalingH = ctx->pic_params->components->h_sampling_factor; if (ctx->max_scalingV < ctx->pic_params->components->v_sampling_factor) ctx->max_scalingV = ctx->pic_params->components->v_sampling_factor; } ctx->MCU_width = (ctx->coded_picture_width + (8 * ctx->max_scalingH) - 1) / (8 * ctx->max_scalingH); ctx->MCU_height = (ctx->coded_picture_height + (8 * ctx->max_scalingV) - 1) / (8 * ctx->max_scalingV); ctx->picture_width_mb = (ctx->coded_picture_width + 15) / 16; ctx->picture_height_mb = (ctx->coded_picture_height + 15) / 16; ctx->size_mb = ctx->picture_width_mb * ctx->picture_height_mb; obj_buffer->buffer_data = NULL; obj_buffer->size = 0; return VA_STATUS_SUCCESS; } static void tng__JPEG_write_qmatrices(context_JPEG_p ctx) { psb_cmdbuf_p cmdbuf = ctx->obj_context->cmdbuf; int i; psb_cmdbuf_rendec_start(cmdbuf, REG_MSVDX_VEC_IQRAM_OFFSET); for (i = 0; i < 16; i++) { psb_cmdbuf_rendec_write(cmdbuf, ctx->rendec_qmatrix[0][i]); } for (i = 0; i < 16; i++) { psb_cmdbuf_rendec_write(cmdbuf, ctx->rendec_qmatrix[1][i]); } for (i = 0; i < 16; i++) { psb_cmdbuf_rendec_write(cmdbuf, ctx->rendec_qmatrix[2][i]); } for (i = 0; i < 16; i++) { psb_cmdbuf_rendec_write(cmdbuf, ctx->rendec_qmatrix[3][i]); } psb_cmdbuf_rendec_end(cmdbuf); } static VAStatus tng__JPEG_process_iq_matrix(context_JPEG_p ctx, object_buffer_p obj_buffer) { VAIQMatrixBufferJPEGBaseline *qmatrix_data = (VAIQMatrixBufferJPEGBaseline *) obj_buffer->buffer_data; ASSERT(obj_buffer->type == VAIQMatrixBufferType); ASSERT(obj_buffer->num_elements == 1); ASSERT(obj_buffer->size == sizeof(VAIQMatrixBufferJPEGBaseline)); uint32_t dqt_ind; for (dqt_ind = 0; dqt_ind < 4; dqt_ind++) { // Reorder Quant table for hardware uint32_t table_ind = 0; uint32_t rendec_table_ind = 0; if (qmatrix_data->load_quantiser_table[dqt_ind]) { while(table_ind < 64) { ctx->rendec_qmatrix[dqt_ind][rendec_table_ind] = (qmatrix_data->quantiser_table[dqt_ind][inverse_zigzag[table_ind+3]] << 24) | (qmatrix_data->quantiser_table[dqt_ind][inverse_zigzag[table_ind+2]] << 16) | (qmatrix_data->quantiser_table[dqt_ind][inverse_zigzag[table_ind+1]] << 8) | (qmatrix_data->quantiser_table[dqt_ind][inverse_zigzag[table_ind]]); table_ind += 4; rendec_table_ind++; } } } return VA_STATUS_SUCCESS; } static void tng__JPEG_write_huffman_tables(context_JPEG_p ctx) { uint32_t reg_value; psb_cmdbuf_p cmdbuf = ctx->obj_context->cmdbuf; // VLC Table // Write a LLDMA Cmd to transfer VLD Table data psb_cmdbuf_dma_write_cmdbuf(cmdbuf, &ctx->vlc_packed_table, 0, ctx->vlctable_buffer_size, 0, DMA_TYPE_VLC_TABLE); // Write Table addresses psb_cmdbuf_reg_start_block(cmdbuf, 0); reg_value = 0; uint32_t table_address = 0; REGIO_WRITE_FIELD_LITE( reg_value, MSVDX_VEC, CR_VEC_VLC_TABLE_ADDR0, VLC_TABLE_ADDR0, table_address ); table_address += ctx->table_stats[0][0].size; REGIO_WRITE_FIELD_LITE( reg_value, MSVDX_VEC, CR_VEC_VLC_TABLE_ADDR0, VLC_TABLE_ADDR1, table_address ); psb_cmdbuf_reg_set(cmdbuf, REGISTER_OFFSET( MSVDX_VEC, CR_VEC_VLC_TABLE_ADDR0 ), reg_value); reg_value = 0; table_address += ctx->table_stats[0][1].size; REGIO_WRITE_FIELD_LITE( reg_value, MSVDX_VEC, CR_VEC_VLC_TABLE_ADDR2, VLC_TABLE_ADDR4, table_address ); table_address += ctx->table_stats[1][0].size; REGIO_WRITE_FIELD_LITE( reg_value, MSVDX_VEC, CR_VEC_VLC_TABLE_ADDR2, VLC_TABLE_ADDR5, table_address ); psb_cmdbuf_reg_set(cmdbuf, REGISTER_OFFSET( MSVDX_VEC, CR_VEC_VLC_TABLE_ADDR2 ), reg_value); psb_cmdbuf_reg_end_block(cmdbuf); // Write Initial Widths psb_cmdbuf_reg_start_block(cmdbuf, 0); reg_value = 0; REGIO_WRITE_FIELD_LITE( reg_value, MSVDX_VEC, CR_VEC_VLC_TABLE_INITIAL_WIDTH0, VLC_TABLE_INITIAL_WIDTH0, ctx->table_stats[0][0].initial_width ); REGIO_WRITE_FIELD_LITE( reg_value, MSVDX_VEC, CR_VEC_VLC_TABLE_INITIAL_WIDTH0, VLC_TABLE_INITIAL_WIDTH1, ctx->table_stats[0][1].initial_width ); REGIO_WRITE_FIELD_LITE( reg_value, MSVDX_VEC, CR_VEC_VLC_TABLE_INITIAL_WIDTH0, VLC_TABLE_INITIAL_WIDTH4, ctx->table_stats[1][0].initial_width ); REGIO_WRITE_FIELD_LITE( reg_value, MSVDX_VEC, CR_VEC_VLC_TABLE_INITIAL_WIDTH0, VLC_TABLE_INITIAL_WIDTH5, ctx->table_stats[1][1].initial_width ); psb_cmdbuf_reg_set(cmdbuf, REGISTER_OFFSET( MSVDX_VEC, CR_VEC_VLC_TABLE_INITIAL_WIDTH0 ), reg_value); psb_cmdbuf_reg_end_block(cmdbuf); // Write Initial Opcodes psb_cmdbuf_reg_start_block(cmdbuf, 0); reg_value = 0; REGIO_WRITE_FIELD_LITE( reg_value, MSVDX_VEC, CR_VEC_VLC_TABLE_INITIAL_OPCODE0, VLC_TABLE_INITIAL_OPCODE0, ctx->table_stats[0][0].initial_opcode ); REGIO_WRITE_FIELD_LITE( reg_value, MSVDX_VEC, CR_VEC_VLC_TABLE_INITIAL_OPCODE0, VLC_TABLE_INITIAL_OPCODE1, ctx->table_stats[0][1].initial_opcode ); REGIO_WRITE_FIELD_LITE( reg_value, MSVDX_VEC, CR_VEC_VLC_TABLE_INITIAL_OPCODE0, VLC_TABLE_INITIAL_OPCODE4, ctx->table_stats[1][0].initial_opcode ); REGIO_WRITE_FIELD_LITE( reg_value, MSVDX_VEC, CR_VEC_VLC_TABLE_INITIAL_OPCODE0, VLC_TABLE_INITIAL_OPCODE5, ctx->table_stats[1][1].initial_opcode ); psb_cmdbuf_reg_set(cmdbuf, REGISTER_OFFSET( MSVDX_VEC, CR_VEC_VLC_TABLE_INITIAL_OPCODE0 ), reg_value); psb_cmdbuf_reg_end_block(cmdbuf); } static VAStatus tng__JPEG_process_huffman_tables(context_JPEG_p ctx, object_buffer_p obj_buffer) { VAHuffmanTableBufferJPEGBaseline *huff = (VAHuffmanTableBufferJPEGBaseline *) obj_buffer->buffer_data; ASSERT(obj_buffer->type == VAHuffmanTableBufferType); ASSERT(obj_buffer->num_elements == 1); ASSERT(obj_buffer->size == sizeof(VAHuffmanTableBufferJPEGBaseline)); uint32_t table_id; for (table_id = 0; table_id < JPEG_MAX_SETS_HUFFMAN_TABLES; table_id++) { // Find out the number of entries in the table uint32_t table_entries = 0; uint32_t bit_ind; for (bit_ind = 0; bit_ind < 16; bit_ind++) { table_entries += huff->huffman_table[table_id].num_dc_codes[bit_ind]; } ctx->symbol_codes[0][table_id] =(vlc_symbol_code_jpeg *)malloc(sizeof(vlc_symbol_code_jpeg) * table_entries); // Parse huffman code sizes uint32_t huff_ind = 0; for (bit_ind = 0; bit_ind < 16; bit_ind++) { uint32_t num_codes = huff->huffman_table[table_id].num_dc_codes[bit_ind]; while (num_codes) { ctx->symbol_codes[0][table_id][huff_ind].code_length = bit_ind + 1; num_codes--; huff_ind++; } } // Calculate huffman codes uint16_t code = 0; uint8_t code_size = ctx->symbol_codes[0][table_id][0].code_length; huff_ind = 0; while (huff_ind < table_entries) { if (ctx->symbol_codes[0][table_id][huff_ind].code_length == code_size) { ctx->symbol_codes[0][table_id][huff_ind].code = code << ( 16 - code_size ); huff_ind++; code++; } else { code <<= 1; code_size++; } } // Create table of code values uint32_t table_ind; for (table_ind = 0; table_ind < table_entries; table_ind++) { ctx->symbol_codes[0][table_id][table_ind].symbol = huff->huffman_table[table_id].dc_values[table_ind]; } // Store the number of codes in the table ctx->symbol_stats[0][table_id].num_codes = table_entries; // for AC table // Find out the number of entries in the table table_entries = 0; for (bit_ind = 0; bit_ind < 16; bit_ind++) { table_entries += huff->huffman_table[table_id].num_ac_codes[bit_ind]; } // Allocate memory for huffman table codes ctx->symbol_codes[1][table_id] = (vlc_symbol_code_jpeg *)malloc(sizeof(vlc_symbol_code_jpeg) * table_entries); // Parse huffman code sizes huff_ind = 0; for (bit_ind = 0; bit_ind < 16; bit_ind++) { uint32_t num_codes = huff->huffman_table[table_id].num_ac_codes[bit_ind]; while (num_codes) { ctx->symbol_codes[1][table_id][huff_ind].code_length = bit_ind + 1; num_codes--; huff_ind++; } } // Calculate huffman codes code = 0; code_size = ctx->symbol_codes[1][table_id][0].code_length; huff_ind = 0; while (huff_ind < table_entries) { if (ctx->symbol_codes[1][table_id][huff_ind].code_length == code_size) { ctx->symbol_codes[1][table_id][huff_ind].code = code << ( 16 - code_size ); huff_ind++; code++; } else { code <<= 1; code_size++; } } // Create table of code values for (table_ind = 0; table_ind < table_entries; table_ind++) { ctx->symbol_codes[1][table_id][table_ind].symbol = huff->huffman_table[table_id].ac_values[table_ind];; } // Store the number of codes in the table ctx->symbol_stats[1][table_id].num_codes = table_entries; } compile_huffman_tables(ctx); return VA_STATUS_SUCCESS; } static void tng__JPEG_set_operating_mode(context_JPEG_p ctx) { psb_cmdbuf_p cmdbuf = ctx->obj_context->cmdbuf; ctx->obj_context->operating_mode = 0; REGIO_WRITE_FIELD_LITE(ctx->obj_context->operating_mode, MSVDX_CMDS, OPERATING_MODE, USE_EXT_ROW_STRIDE, 1 ); REGIO_WRITE_FIELD_LITE(ctx->obj_context->operating_mode, MSVDX_CMDS, OPERATING_MODE, ASYNC_MODE, 1 ); REGIO_WRITE_FIELD_LITE(ctx->obj_context->operating_mode, MSVDX_CMDS, OPERATING_MODE, CHROMA_FORMAT, 1); psb_cmdbuf_rendec_start(cmdbuf, RENDEC_REGISTER_OFFSET( MSVDX_CMDS, OPERATING_MODE )); psb_cmdbuf_rendec_write(cmdbuf, ctx->obj_context->operating_mode); psb_cmdbuf_rendec_end(cmdbuf); } static void tng__JPEG_set_reference_pictures(context_JPEG_p ctx) { psb_cmdbuf_p cmdbuf = ctx->obj_context->cmdbuf; psb_surface_p target_surface = ctx->obj_context->current_render_target->psb_surface; psb_cmdbuf_rendec_start(cmdbuf, RENDEC_REGISTER_OFFSET(MSVDX_CMDS, REFERENCE_PICTURE_BASE_ADDRESSES)); uint32_t planr_size = target_surface->chroma_offset; psb_cmdbuf_rendec_write_address(cmdbuf, &target_surface->buf, target_surface->buf.buffer_ofs); psb_cmdbuf_rendec_write_address(cmdbuf, &target_surface->buf, target_surface->buf.buffer_ofs + planr_size); psb_cmdbuf_rendec_write_address(cmdbuf, &target_surface->buf, target_surface->buf.buffer_ofs + planr_size * 2); // psb_cmdbuf_rendec_write_address(cmdbuf, &target_surface->buf, target_surface->buf.buffer_ofs + planr_size * 3); psb_cmdbuf_rendec_end(cmdbuf); } static void tng__JPEG_set_ent_dec(context_JPEG_p ctx) { psb_cmdbuf_p cmdbuf = ctx->obj_context->cmdbuf; uint32_t reg_value; psb_cmdbuf_reg_start_block(cmdbuf, 0); reg_value = 0; REGIO_WRITE_FIELD_LITE( reg_value, MSVDX_VEC, CR_VEC_ENTDEC_FE_CONTROL, ENTDEC_FE_MODE, 0 ); psb_cmdbuf_reg_set(cmdbuf, REGISTER_OFFSET( MSVDX_VEC, CR_VEC_ENTDEC_FE_CONTROL ), reg_value); psb_cmdbuf_reg_end_block(cmdbuf); psb_cmdbuf_rendec_start(cmdbuf, RENDEC_REGISTER_OFFSET( MSVDX_VEC, CR_VEC_ENTDEC_BE_CONTROL )); reg_value = 0; REGIO_WRITE_FIELD(reg_value, MSVDX_VEC, CR_VEC_ENTDEC_BE_CONTROL, ENTDEC_BE_MODE, 0); psb_cmdbuf_rendec_write(cmdbuf, reg_value); psb_cmdbuf_rendec_end(cmdbuf); } static void tng__JPEG_set_register(context_JPEG_p ctx, VASliceParameterBufferJPEGBaseline *slice_param) { psb_cmdbuf_p cmdbuf = ctx->obj_context->cmdbuf; uint32_t reg_value; const uint32_t num_MCUs = ctx->MCU_width * ctx->MCU_height; const uint32_t num_MCUs_dec = slice_param->restart_interval ? min(slice_param->restart_interval, num_MCUs) : num_MCUs; psb_cmdbuf_reg_start_block(cmdbuf, 0); // CR_VEC_JPEG_FE_COMPONENTS reg_value = 0; REGIO_WRITE_FIELD_LITE(reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_FE_COMPONENTS, MAX_V, ctx->max_scalingV); REGIO_WRITE_FIELD_LITE(reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_FE_COMPONENTS, MAX_H, ctx->max_scalingH); REGIO_WRITE_FIELD_LITE(reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_FE_COMPONENTS, FE_COMPONENTS, slice_param->num_components); psb_cmdbuf_reg_set(cmdbuf, REGISTER_OFFSET(MSVDX_VEC_JPEG, CR_VEC_JPEG_FE_COMPONENTS ), reg_value); // CR_VEC_JPEG_FE_HEIGHT reg_value = 0; REGIO_WRITE_FIELD_LITE(reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_FE_HEIGHT, FE_HEIGHT_MINUS1, ctx->coded_picture_height - 1); psb_cmdbuf_reg_set(cmdbuf, REGISTER_OFFSET(MSVDX_VEC_JPEG, CR_VEC_JPEG_FE_HEIGHT ), reg_value); // CR_VEC_JPEG_FE_RESTART_POS reg_value = 0; psb_cmdbuf_reg_set(cmdbuf, REGISTER_OFFSET(MSVDX_VEC_JPEG, CR_VEC_JPEG_FE_RESTART_POS), reg_value); // CR_VEC_JPEG_FE_WIDTH reg_value = 0; REGIO_WRITE_FIELD_LITE(reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_FE_WIDTH, FE_WIDTH_MINUS1, ctx->coded_picture_width - 1 ); psb_cmdbuf_reg_set(cmdbuf, REGISTER_OFFSET(MSVDX_VEC_JPEG, CR_VEC_JPEG_FE_WIDTH), reg_value); // CR_VEC_JPEG_FE_ENTROPY_CODING reg_value = 0; REGIO_WRITE_FIELD_LITE(reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_FE_ENTROPY_CODING, NUM_MCUS_LESS1, num_MCUs_dec - 1); REGIO_WRITE_FIELD_LITE(reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_FE_ENTROPY_CODING, TA3, slice_param->components[3].ac_table_selector); REGIO_WRITE_FIELD_LITE(reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_FE_ENTROPY_CODING, TD3, slice_param->components[3].dc_table_selector); REGIO_WRITE_FIELD_LITE(reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_FE_ENTROPY_CODING, TA2, slice_param->components[2].ac_table_selector); REGIO_WRITE_FIELD_LITE(reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_FE_ENTROPY_CODING, TD2, slice_param->components[2].dc_table_selector); REGIO_WRITE_FIELD_LITE(reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_FE_ENTROPY_CODING, TA1, slice_param->components[1].ac_table_selector); REGIO_WRITE_FIELD_LITE(reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_FE_ENTROPY_CODING, TD1, slice_param->components[1].dc_table_selector ); REGIO_WRITE_FIELD_LITE(reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_FE_ENTROPY_CODING, TA0, slice_param->components[0].ac_table_selector); REGIO_WRITE_FIELD_LITE(reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_FE_ENTROPY_CODING, TD0, slice_param->components[0].dc_table_selector); psb_cmdbuf_reg_set(cmdbuf, REGISTER_OFFSET( MSVDX_VEC_JPEG, CR_VEC_JPEG_FE_ENTROPY_CODING ), reg_value); // CR_VEC_JPEG_FE_SCALING reg_value = 0; REGIO_WRITE_FIELD_LITE(reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_FE_SCALING, FE_V3, ctx->pic_params->components[3].v_sampling_factor); REGIO_WRITE_FIELD_LITE(reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_FE_SCALING, FE_H3, ctx->pic_params->components[3].h_sampling_factor ); REGIO_WRITE_FIELD_LITE(reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_FE_SCALING, FE_V2, ctx->pic_params->components[2].v_sampling_factor); REGIO_WRITE_FIELD_LITE(reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_FE_SCALING, FE_H2, ctx->pic_params->components[2].h_sampling_factor ); REGIO_WRITE_FIELD_LITE(reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_FE_SCALING, FE_V1, ctx->pic_params->components[1].v_sampling_factor ); REGIO_WRITE_FIELD_LITE(reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_FE_SCALING, FE_H1, ctx->pic_params->components[1].h_sampling_factor ); REGIO_WRITE_FIELD_LITE(reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_FE_SCALING, FE_V0, ctx->pic_params->components[0].v_sampling_factor ); REGIO_WRITE_FIELD_LITE(reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_FE_SCALING, FE_H0, ctx->pic_params->components[0].h_sampling_factor ); psb_cmdbuf_reg_set(cmdbuf, REGISTER_OFFSET( MSVDX_VEC_JPEG, CR_VEC_JPEG_FE_SCALING ), reg_value); psb_cmdbuf_reg_end_block(cmdbuf); psb_cmdbuf_rendec_start(cmdbuf, RENDEC_REGISTER_OFFSET( MSVDX_VEC_JPEG, CR_VEC_JPEG_BE_HEIGHT )); // CR_VEC_JPEG_BE_HEIGHT reg_value = 0; REGIO_WRITE_FIELD(reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_BE_HEIGHT, BE_HEIGHT_MINUS1, ctx->coded_picture_height - 1); psb_cmdbuf_rendec_write(cmdbuf, reg_value); // CR_VEC_JPEG_BE_WIDTH reg_value = 0; REGIO_WRITE_FIELD(reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_BE_WIDTH, BE_WIDTH_MINUS1, ctx->coded_picture_width - 1); psb_cmdbuf_rendec_write(cmdbuf, reg_value); // CR_VEC_JPEG_BE_QUANTISATION reg_value = 0; REGIO_WRITE_FIELD(reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_BE_QUANTISATION, TQ3, ctx->pic_params->components[3].quantiser_table_selector); REGIO_WRITE_FIELD(reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_BE_QUANTISATION, TQ2, ctx->pic_params->components[2].quantiser_table_selector); REGIO_WRITE_FIELD(reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_BE_QUANTISATION, TQ1, ctx->pic_params->components[1].quantiser_table_selector); REGIO_WRITE_FIELD(reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_BE_QUANTISATION, TQ0, ctx->pic_params->components[0].quantiser_table_selector ); psb_cmdbuf_rendec_write(cmdbuf, reg_value); // CR_VEC_JPEG_BE_CONTROL reg_value = 0; REGIO_WRITE_FIELD( reg_value, MSVDX_VEC_JPEG, CR_VEC_JPEG_BE_CONTROL, RGB, 0 ); psb_cmdbuf_rendec_write(cmdbuf, reg_value); psb_cmdbuf_rendec_end(cmdbuf); } static void tng__JPEG_begin_slice(context_DEC_p dec_ctx, VASliceParameterBufferBase __maybe_unused * vld_slice_param) { context_JPEG_p ctx = (context_JPEG_p)dec_ctx; dec_ctx->bits_offset = 0; dec_ctx->SR_flags = CMD_ENABLE_RBDU_EXTRACTION; *dec_ctx->cmd_params |=ctx->MCU_width * ctx->MCU_height; *dec_ctx->slice_first_pic_last &= 0xfefe; tng__JPEG_write_huffman_tables(ctx); tng__JPEG_write_qmatrices(ctx); } static void tng__JPEG_process_slice_data(context_DEC_p dec_ctx, VASliceParameterBufferBase *vld_slice_param) { VASliceParameterBufferJPEGBaseline *slice_param = (VASliceParameterBufferJPEGBaseline *) vld_slice_param; context_JPEG_p ctx = (context_JPEG_p)dec_ctx; tng__JPEG_set_operating_mode(ctx); tng__JPEG_set_reference_pictures(ctx); vld_dec_setup_alternative_frame(ctx->obj_context); tng__JPEG_set_ent_dec(ctx); tng__JPEG_set_register(ctx, slice_param); } static void tng__JPEG_end_slice(context_DEC_p dec_ctx) { context_JPEG_p ctx = (context_JPEG_p)dec_ctx; ctx->obj_context->flags = FW_VA_RENDER_IS_FIRST_SLICE | FW_VA_RENDER_IS_LAST_SLICE | FW_INTERNAL_CONTEXT_SWITCH; ctx->obj_context->first_mb = 0; ctx->obj_context->last_mb = ((ctx->picture_height_mb - 1) << 8) | (ctx->picture_width_mb - 1); *(dec_ctx->slice_first_pic_last) = (ctx->obj_context->first_mb << 16) | ((ctx->obj_context->last_mb) & 0xfefe); } static VAStatus tng_JPEG_BeginPicture( object_context_p obj_context) { INIT_CONTEXT_JPEG if (ctx->pic_params) { free(ctx->pic_params); ctx->pic_params = NULL; } return VA_STATUS_SUCCESS; } static VAStatus tng_JPEG_process_buffer( context_DEC_p dec_ctx, object_buffer_p buffer) { context_JPEG_p ctx = (context_JPEG_p)dec_ctx; VAStatus vaStatus = VA_STATUS_SUCCESS; object_buffer_p obj_buffer = buffer; switch (obj_buffer->type) { case VAPictureParameterBufferType: drv_debug_msg(VIDEO_DEBUG_GENERAL, "tng_JPEG_RenderPicture got VAPictureParameterBuffer\n"); vaStatus = tng__JPEG_process_picture_param(ctx, obj_buffer); DEBUG_FAILURE; break; case VAIQMatrixBufferType: drv_debug_msg(VIDEO_DEBUG_GENERAL, "tng_JPEG_RenderPicture got VAIQMatrixBufferType\n"); vaStatus = tng__JPEG_process_iq_matrix(ctx, obj_buffer); DEBUG_FAILURE; break; case VAHuffmanTableBufferType: drv_debug_msg(VIDEO_DEBUG_GENERAL, "tng_JPEG_RenderPicture got VAIQMatrixBufferType\n"); vaStatus = tng__JPEG_process_huffman_tables(ctx, obj_buffer); DEBUG_FAILURE; break; default: vaStatus = VA_STATUS_ERROR_UNKNOWN; DEBUG_FAILURE; } return vaStatus; } static VAStatus tng_JPEG_EndPicture( object_context_p obj_context) { INIT_CONTEXT_JPEG if (psb_context_flush_cmdbuf(ctx->obj_context)) { return VA_STATUS_ERROR_UNKNOWN; } if (ctx->pic_params) { free(ctx->pic_params); ctx->pic_params = NULL; } return VA_STATUS_SUCCESS; } struct format_vtable_s tng_JPEG_vtable = { queryConfigAttributes: tng_JPEG_QueryConfigAttributes, validateConfig: tng_JPEG_ValidateConfig, createContext: tng_JPEG_CreateContext, destroyContext: tng_JPEG_DestroyContext, beginPicture: tng_JPEG_BeginPicture, renderPicture: vld_dec_RenderPicture, endPicture: tng_JPEG_EndPicture };