| /****************************************************************************** |
| * |
| * Copyright (C) 2012 Ittiam Systems Pvt Ltd, Bangalore |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at: |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| ******************************************************************************/ |
| /** |
| ******************************************************************************* |
| * @file |
| * ihevcd_utils.c |
| * |
| * @brief |
| * Contains miscellaneous utility functions such as init() etc |
| * |
| * @author |
| * Harish |
| * |
| * @par List of Functions: |
| * |
| * @remarks |
| * None |
| * |
| ******************************************************************************* |
| */ |
| /*****************************************************************************/ |
| /* File Includes */ |
| /*****************************************************************************/ |
| #include <stdio.h> |
| #include <stddef.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <assert.h> |
| |
| #include "ihevc_typedefs.h" |
| #include "iv.h" |
| #include "ivd.h" |
| #include "ihevcd_cxa.h" |
| #include "ithread.h" |
| |
| #include "ihevc_defs.h" |
| #include "ihevc_debug.h" |
| #include "ihevc_defs.h" |
| #include "ihevc_error.h" |
| #include "ihevc_structs.h" |
| #include "ihevc_buf_mgr.h" |
| #include "ihevc_dpb_mgr.h" |
| #include "ihevc_macros.h" |
| #include "ihevc_platform_macros.h" |
| |
| #include "ihevc_common_tables.h" |
| #include "ihevc_buf_mgr.h" |
| #include "ihevc_disp_mgr.h" |
| #include "ihevc_cabac_tables.h" |
| |
| #include "ihevcd_defs.h" |
| |
| #include "ihevcd_function_selector.h" |
| #include "ihevcd_structs.h" |
| #include "ihevcd_error.h" |
| #include "ihevcd_nal.h" |
| #include "ihevcd_bitstream.h" |
| #include "ihevcd_utils.h" |
| #include "ihevcd_trace.h" |
| #include "ihevcd_process_slice.h" |
| #include "ihevcd_job_queue.h" |
| #define MAX_DPB_PIC_BUF 6 |
| |
| /* Function declarations */ |
| mv_buf_t* ihevcd_mv_mgr_get_poc(buf_mgr_t *ps_mv_buf_mgr, UWORD32 abs_poc); |
| |
| /** |
| ******************************************************************************* |
| * |
| * @brief |
| * Used to get level index for a given level |
| * |
| * @par Description: |
| * Converts from level_idc (which is multiplied by 30) to an index that can be |
| * used as a lookup. Also used to ignore invalid levels like 2.2 , 3.2 etc |
| * |
| * @param[in] level |
| * Level of the stream |
| * |
| * @returns Level index for a given level |
| * |
| * @remarks |
| * |
| * |
| ******************************************************************************* |
| */ |
| WORD32 ihevcd_get_lvl_idx(WORD32 level) |
| { |
| WORD32 lvl_idx = 0; |
| |
| if(level < IHEVC_LEVEL_20) |
| { |
| lvl_idx = 0; |
| } |
| else if(level >= IHEVC_LEVEL_20 && level < IHEVC_LEVEL_21) |
| { |
| lvl_idx = 1; |
| } |
| else if(level >= IHEVC_LEVEL_21 && level < IHEVC_LEVEL_30) |
| { |
| lvl_idx = 2; |
| } |
| else if(level >= IHEVC_LEVEL_30 && level < IHEVC_LEVEL_31) |
| { |
| lvl_idx = 3; |
| } |
| else if(level >= IHEVC_LEVEL_31 && level < IHEVC_LEVEL_40) |
| { |
| lvl_idx = 4; |
| } |
| else if(level >= IHEVC_LEVEL_40 && level < IHEVC_LEVEL_41) |
| { |
| lvl_idx = 5; |
| } |
| else if(level >= IHEVC_LEVEL_41 && level < IHEVC_LEVEL_50) |
| { |
| lvl_idx = 6; |
| } |
| else if(level >= IHEVC_LEVEL_50 && level < IHEVC_LEVEL_51) |
| { |
| lvl_idx = 7; |
| } |
| else if(level >= IHEVC_LEVEL_51 && level < IHEVC_LEVEL_52) |
| { |
| lvl_idx = 8; |
| } |
| else if(level >= IHEVC_LEVEL_52 && level < IHEVC_LEVEL_60) |
| { |
| lvl_idx = 9; |
| } |
| else if(level >= IHEVC_LEVEL_60 && level < IHEVC_LEVEL_61) |
| { |
| lvl_idx = 10; |
| } |
| else if(level >= IHEVC_LEVEL_61 && level < IHEVC_LEVEL_62) |
| { |
| lvl_idx = 11; |
| } |
| else if(level >= IHEVC_LEVEL_62) |
| { |
| lvl_idx = 12; |
| } |
| |
| return (lvl_idx); |
| } |
| |
| /** |
| ******************************************************************************* |
| * |
| * @brief |
| * Used to get reference picture buffer size for a given level and |
| * and padding used |
| * |
| * @par Description: |
| * Used to get reference picture buffer size for a given level and padding used |
| * Each picture is padded on all four sides |
| * |
| * @param[in] pic_size |
| * Mumber of luma samples (Width * Height) |
| * |
| * @param[in] level |
| * Level |
| * |
| * @param[in] horz_pad |
| * Total padding used in horizontal direction |
| * |
| * @param[in] vert_pad |
| * Total padding used in vertical direction |
| * |
| * @returns Total picture buffer size |
| * |
| * @remarks |
| * |
| * |
| ******************************************************************************* |
| */ |
| WORD32 ihevcd_get_total_pic_buf_size(codec_t *ps_codec, |
| WORD32 wd, |
| WORD32 ht) |
| { |
| WORD32 size; |
| WORD32 num_luma_samples; |
| WORD32 max_dpb_size; |
| WORD32 num_samples; |
| |
| |
| sps_t *ps_sps = (ps_codec->s_parse.ps_sps_base + ps_codec->i4_sps_id); |
| |
| /* Get maximum number of buffers for the current picture size */ |
| max_dpb_size = ps_sps->ai1_sps_max_dec_pic_buffering[ps_sps->i1_sps_max_sub_layers - 1]; |
| |
| if(ps_codec->e_frm_out_mode != IVD_DECODE_FRAME_OUT) |
| max_dpb_size += ps_sps->ai1_sps_max_num_reorder_pics[ps_sps->i1_sps_max_sub_layers - 1]; |
| |
| max_dpb_size++; |
| /* Allocation is required for |
| * (Wd + horz_pad) * (Ht + vert_pad) * (2 * max_dpb_size + 1) |
| */ |
| |
| /* Account for padding area */ |
| num_luma_samples = (wd + PAD_WD) * (ht + PAD_HT); |
| |
| /* Account for chroma */ |
| num_samples = num_luma_samples * 3 / 2; |
| |
| /* Number of bytes in reference pictures */ |
| size = num_samples * max_dpb_size; |
| |
| |
| return size; |
| } |
| /** |
| ******************************************************************************* |
| * |
| * @brief |
| * Used to get MV bank size for a given number of luma samples |
| * |
| * @par Description: |
| * For given number of luma samples one MV bank size is computed |
| * Each MV bank includes pu_map and pu_t for all the min PUs(4x4) in a picture |
| * |
| * @param[in] num_luma_samples |
| * Max number of luma pixels in the frame |
| * |
| * @returns Total MV Bank size |
| * |
| * @remarks |
| * |
| * |
| ******************************************************************************* |
| */ |
| WORD32 ihevcd_get_pic_mv_bank_size(WORD32 num_luma_samples) |
| { |
| WORD32 size; |
| |
| WORD32 pic_size; |
| |
| WORD32 mv_bank_size; |
| WORD32 num_pu; |
| WORD32 num_ctb; |
| pic_size = num_luma_samples; |
| |
| |
| num_pu = pic_size / (MIN_PU_SIZE * MIN_PU_SIZE); |
| num_ctb = pic_size / (MIN_CTB_SIZE * MIN_CTB_SIZE); |
| |
| mv_bank_size = 0; |
| |
| /* Size for storing pu_t start index each CTB */ |
| /* One extra entry is needed to compute number of PUs in the last CTB */ |
| mv_bank_size += (num_ctb + 1) * sizeof(WORD32); |
| |
| /* Size for pu_map */ |
| mv_bank_size += num_pu; |
| |
| /* Size for storing pu_t for each PU */ |
| mv_bank_size += num_pu * sizeof(pu_t); |
| |
| /* Size for storing slice_idx for each CTB */ |
| mv_bank_size += ALIGN4(num_ctb * sizeof(UWORD16)); |
| |
| size = mv_bank_size; |
| return size; |
| } |
| /** |
| ******************************************************************************* |
| * |
| * @brief |
| * Used to get TU data size for a given number luma samples |
| * |
| * @par Description: |
| * For a given number of luma samples TU data size is computed |
| * Each TU data includes tu_map and tu_t and coeff data for all |
| * the min TUs(4x4) in given CTB |
| * |
| * @param[in] num_luma_samples |
| * Number of 64 x 64 CTBs for which TU data has to be allocated. |
| * |
| * @returns Total TU data size |
| * |
| * @remarks Assumption is num_luma_samples will be at least |
| * 64 x 64 to handle CTB of size 64 x 64. Can be frame size as well |
| * |
| ******************************************************************************* |
| */ |
| WORD32 ihevcd_get_tu_data_size(WORD32 num_luma_samples) |
| { |
| |
| |
| WORD32 tu_data_size; |
| WORD32 num_ctb; |
| WORD32 num_luma_tu, num_chroma_tu, num_tu; |
| num_ctb = num_luma_samples / (MIN_CTB_SIZE * MIN_CTB_SIZE); |
| |
| num_luma_tu = num_luma_samples / (MIN_TU_SIZE * MIN_TU_SIZE); |
| num_chroma_tu = num_luma_tu >> 1; |
| |
| num_tu = num_luma_tu + num_chroma_tu; |
| tu_data_size = 0; |
| |
| /* Size for storing tu_t start index each CTB */ |
| /* One extra entry is needed to compute number of TUs in the last CTB */ |
| tu_data_size += (num_ctb + 1) * sizeof(WORD32); |
| |
| /* Size for storing tu map */ |
| tu_data_size += num_luma_tu * sizeof(UWORD8); |
| |
| /* Size for storing tu_t for each TU */ |
| tu_data_size += num_tu * sizeof(tu_t); |
| |
| /* Size for storing number of coded subblocks and scan_idx for each TU */ |
| tu_data_size += num_tu * (sizeof(WORD8) + sizeof(WORD8)); |
| |
| /* Size for storing coeff data for each TU */ |
| tu_data_size += num_tu * sizeof(tu_sblk_coeff_data_t); |
| |
| |
| return tu_data_size; |
| } |
| |
| |
| WORD32 ihevcd_nctb_cnt(codec_t *ps_codec, sps_t *ps_sps) |
| { |
| WORD32 nctb = 1; |
| UNUSED(ps_codec); |
| //TODO: Currently set to 1 |
| /* If CTB size is less than 32 x 32 then set nCTB as 4 */ |
| if(ps_sps->i1_log2_ctb_size < 5) |
| nctb = 1; |
| |
| return nctb; |
| } |
| |
| IHEVCD_ERROR_T ihevcd_get_tile_pos(pps_t *ps_pps, |
| sps_t *ps_sps, |
| WORD32 ctb_x, |
| WORD32 ctb_y, |
| WORD32 *pi4_ctb_tile_x, |
| WORD32 *pi4_ctb_tile_y, |
| WORD32 *pi4_tile_idx) |
| { |
| |
| tile_t *ps_tile_tmp; |
| WORD32 i; |
| WORD32 tile_row, tile_col; |
| |
| if(ctb_x < 0 || ctb_y < 0) |
| { |
| *pi4_ctb_tile_x = 0; |
| *pi4_ctb_tile_y = 0; |
| *pi4_tile_idx = 0; |
| |
| return (IHEVCD_ERROR_T)IHEVCD_SUCCESS; |
| } |
| |
| tile_row = 0; |
| tile_col = 0; |
| ps_tile_tmp = ps_pps->ps_tile; |
| if(0 == ps_pps->i1_tiles_enabled_flag) |
| { |
| *pi4_ctb_tile_x = ctb_x; |
| *pi4_ctb_tile_y = ctb_y; |
| *pi4_tile_idx = 0; |
| } |
| else |
| { |
| for(i = 0; i < ps_pps->i1_num_tile_columns; i++) |
| { |
| WORD16 next_tile_ctb_x; |
| ps_tile_tmp = ps_pps->ps_tile + i; //* ps_pps->i1_num_tile_rows; |
| if((ps_pps->i1_num_tile_columns - 1) == i) |
| { |
| next_tile_ctb_x = ps_sps->i2_pic_wd_in_ctb; |
| } |
| else |
| { |
| tile_t *ps_tile_next_tmp; |
| ps_tile_next_tmp = ps_pps->ps_tile + i + 1; |
| next_tile_ctb_x = ps_tile_next_tmp->u1_pos_x; |
| } |
| if((ctb_x >= ps_tile_tmp->u1_pos_x) && (ctb_x < next_tile_ctb_x)) |
| { |
| tile_col = i; |
| break; |
| } |
| } |
| *pi4_ctb_tile_x = ctb_x - ps_tile_tmp->u1_pos_x; |
| |
| for(i = 0; i < ps_pps->i1_num_tile_rows; i++) |
| { |
| WORD16 next_tile_ctb_y; |
| ps_tile_tmp = ps_pps->ps_tile + i * ps_pps->i1_num_tile_columns; |
| if((ps_pps->i1_num_tile_rows - 1) == i) |
| { |
| next_tile_ctb_y = ps_sps->i2_pic_ht_in_ctb; |
| } |
| else |
| { |
| tile_t *ps_tile_next_tmp; |
| ps_tile_next_tmp = ps_pps->ps_tile + ((i + 1) * ps_pps->i1_num_tile_columns); |
| next_tile_ctb_y = ps_tile_next_tmp->u1_pos_y; |
| } |
| if((ctb_y >= ps_tile_tmp->u1_pos_y) && (ctb_y < next_tile_ctb_y)) |
| { |
| tile_row = i; |
| break; |
| } |
| |
| } |
| *pi4_ctb_tile_y = ctb_y - ps_tile_tmp->u1_pos_y; |
| *pi4_tile_idx = tile_row * ps_pps->i1_num_tile_columns |
| + tile_col; |
| } |
| return (IHEVCD_ERROR_T)IHEVCD_SUCCESS; |
| } |
| /** |
| ******************************************************************************* |
| * |
| * @brief |
| * Function to initialize ps_pic_buf structs add pic buffers to |
| * buffer manager in case of non-shared mode |
| * |
| * @par Description: |
| * Function to initialize ps_pic_buf structs add pic buffers to |
| * buffer manager in case of non-shared mode |
| * To be called once per stream or for every reset |
| * |
| * @param[in] ps_codec |
| * Pointer to codec context |
| * |
| * @returns Error from IHEVCD_ERROR_T |
| * |
| * @remarks |
| * |
| * |
| ******************************************************************************* |
| */ |
| IHEVCD_ERROR_T ihevcd_pic_buf_mgr_add_bufs(codec_t *ps_codec) |
| { |
| IHEVCD_ERROR_T ret = (IHEVCD_ERROR_T)IHEVCD_SUCCESS; |
| WORD32 i; |
| WORD32 max_dpb_size; |
| sps_t *ps_sps; |
| UWORD8 *pu1_buf; |
| pic_buf_t *ps_pic_buf; |
| WORD32 pic_buf_size_allocated; |
| |
| |
| |
| |
| /* Initialize Pic buffer manager */ |
| ps_sps = ps_codec->s_parse.ps_sps; |
| |
| /* Compute the number of Pic buffers needed */ |
| max_dpb_size = ps_sps->ai1_sps_max_dec_pic_buffering[ps_sps->i1_sps_max_sub_layers - 1]; |
| |
| if(ps_codec->e_frm_out_mode != IVD_DECODE_FRAME_OUT) |
| max_dpb_size += ps_sps->ai1_sps_max_num_reorder_pics[ps_sps->i1_sps_max_sub_layers - 1]; |
| |
| /* Allocate one extra picture to handle current frame |
| * In case of asynchronous parsing and processing, number of buffers should increase here |
| * based on when parsing and processing threads are synchronized |
| */ |
| max_dpb_size++; |
| |
| |
| pu1_buf = (UWORD8 *)ps_codec->pu1_ref_pic_buf_base; |
| |
| ps_pic_buf = (pic_buf_t *)ps_codec->ps_pic_buf; |
| |
| /* In case of non-shared mode, add picture buffers to buffer manager |
| * In case of shared mode buffers are added in the run-time |
| */ |
| if(0 == ps_codec->i4_share_disp_buf) |
| { |
| WORD32 buf_ret; |
| WORD32 luma_samples; |
| WORD32 chroma_samples; |
| pic_buf_size_allocated = ps_codec->i4_total_pic_buf_size; |
| |
| luma_samples = (ps_codec->i4_strd) * |
| (ps_sps->i2_pic_height_in_luma_samples + PAD_HT); |
| |
| chroma_samples = luma_samples / 2; |
| |
| /* Try to add as many buffers as possible since memory is already allocated */ |
| /* If the number of buffers that can be added is less than max_num_bufs |
| * return with an error. |
| */ |
| for(i = 0; i < max_dpb_size; i++) |
| { |
| pic_buf_size_allocated -= (luma_samples + chroma_samples); |
| |
| if(pic_buf_size_allocated < 0) |
| { |
| ps_codec->s_parse.i4_error_code = IHEVCD_INSUFFICIENT_MEM_PICBUF; |
| return IHEVCD_INSUFFICIENT_MEM_PICBUF; |
| } |
| |
| ps_pic_buf->pu1_luma = pu1_buf + ps_codec->i4_strd * PAD_TOP + PAD_LEFT; |
| pu1_buf += luma_samples; |
| |
| ps_pic_buf->pu1_chroma = pu1_buf + ps_codec->i4_strd * (PAD_TOP / 2) + PAD_LEFT; |
| pu1_buf += chroma_samples; |
| |
| buf_ret = ihevc_buf_mgr_add((buf_mgr_t *)ps_codec->pv_pic_buf_mgr, ps_pic_buf, i); |
| |
| |
| if(0 != buf_ret) |
| { |
| ps_codec->s_parse.i4_error_code = IHEVCD_BUF_MGR_ERROR; |
| return IHEVCD_BUF_MGR_ERROR; |
| } |
| ps_pic_buf++; |
| } |
| } |
| else |
| { |
| /* In case of shared mode, buffers are added without adjusting for padding. |
| Update luma and chroma pointers here to account for padding as per stride. |
| In some cases stride might not be available when set_display_frame is called. |
| Hence updated luma and chroma pointers here */ |
| |
| for(i = 0; i < BUF_MGR_MAX_CNT; i++) |
| { |
| ps_pic_buf = ihevc_buf_mgr_get_buf((buf_mgr_t *)ps_codec->pv_pic_buf_mgr, i); |
| if((NULL == ps_pic_buf) || |
| (NULL == ps_pic_buf->pu1_luma) || |
| (NULL == ps_pic_buf->pu1_chroma)) |
| { |
| break; |
| } |
| ps_pic_buf->pu1_luma += ps_codec->i4_strd * PAD_TOP + PAD_LEFT; |
| ps_pic_buf->pu1_chroma += ps_codec->i4_strd * (PAD_TOP / 2) + PAD_LEFT; |
| } |
| } |
| |
| return ret; |
| } |
| /** |
| ******************************************************************************* |
| * |
| * @brief |
| * Function to add buffers to MV Bank buffer manager |
| * |
| * @par Description: |
| * Function to add buffers to MV Bank buffer manager |
| * To be called once per stream or for every reset |
| * |
| * @param[in] ps_codec |
| * Pointer to codec context |
| * |
| * @returns Error from IHEVCD_ERROR_T |
| * |
| * @remarks |
| * |
| * |
| ******************************************************************************* |
| */ |
| IHEVCD_ERROR_T ihevcd_mv_buf_mgr_add_bufs(codec_t *ps_codec) |
| { |
| IHEVCD_ERROR_T ret = (IHEVCD_ERROR_T)IHEVCD_SUCCESS; |
| WORD32 i; |
| WORD32 max_dpb_size; |
| WORD32 mv_bank_size_allocated; |
| WORD32 pic_mv_bank_size; |
| |
| sps_t *ps_sps; |
| UWORD8 *pu1_buf; |
| mv_buf_t *ps_mv_buf; |
| |
| |
| /* Initialize MV Bank buffer manager */ |
| ps_sps = ps_codec->s_parse.ps_sps; |
| |
| |
| /* Compute the number of MV Bank buffers needed */ |
| max_dpb_size = ps_sps->ai1_sps_max_dec_pic_buffering[ps_sps->i1_sps_max_sub_layers - 1]; |
| |
| /* Allocate one extra MV Bank to handle current frame |
| * In case of asynchronous parsing and processing, number of buffers should increase here |
| * based on when parsing and processing threads are synchronized |
| */ |
| max_dpb_size++; |
| |
| ps_codec->i4_max_dpb_size = max_dpb_size; |
| |
| pu1_buf = (UWORD8 *)ps_codec->pv_mv_bank_buf_base; |
| |
| ps_mv_buf = (mv_buf_t *)pu1_buf; |
| pu1_buf += max_dpb_size * sizeof(mv_buf_t); |
| ps_codec->ps_mv_buf = ps_mv_buf; |
| mv_bank_size_allocated = ps_codec->i4_total_mv_bank_size - max_dpb_size * sizeof(mv_buf_t); |
| |
| /* Compute MV bank size per picture */ |
| pic_mv_bank_size = ihevcd_get_pic_mv_bank_size(ALIGN64(ps_sps->i2_pic_width_in_luma_samples) * |
| ALIGN64(ps_sps->i2_pic_height_in_luma_samples)); |
| |
| for(i = 0; i < max_dpb_size; i++) |
| { |
| WORD32 buf_ret; |
| WORD32 num_pu; |
| WORD32 num_ctb; |
| WORD32 pic_size; |
| pic_size = ALIGN64(ps_sps->i2_pic_width_in_luma_samples) * |
| ALIGN64(ps_sps->i2_pic_height_in_luma_samples); |
| |
| |
| num_pu = pic_size / (MIN_PU_SIZE * MIN_PU_SIZE); |
| num_ctb = pic_size / (MIN_CTB_SIZE * MIN_CTB_SIZE); |
| |
| |
| mv_bank_size_allocated -= pic_mv_bank_size; |
| |
| if(mv_bank_size_allocated < 0) |
| { |
| ps_codec->s_parse.i4_error_code = IHEVCD_INSUFFICIENT_MEM_MVBANK; |
| return IHEVCD_INSUFFICIENT_MEM_MVBANK; |
| } |
| |
| ps_mv_buf->pu4_pic_pu_idx = (UWORD32 *)pu1_buf; |
| pu1_buf += (num_ctb + 1) * sizeof(WORD32); |
| |
| ps_mv_buf->pu1_pic_pu_map = pu1_buf; |
| pu1_buf += num_pu; |
| |
| ps_mv_buf->pu1_pic_slice_map = (UWORD16 *)pu1_buf; |
| pu1_buf += ALIGN4(num_ctb * sizeof(UWORD16)); |
| |
| ps_mv_buf->ps_pic_pu = (pu_t *)pu1_buf; |
| pu1_buf += num_pu * sizeof(pu_t); |
| |
| buf_ret = ihevc_buf_mgr_add((buf_mgr_t *)ps_codec->pv_mv_buf_mgr, ps_mv_buf, i); |
| |
| if(0 != buf_ret) |
| { |
| ps_codec->s_parse.i4_error_code = IHEVCD_BUF_MGR_ERROR; |
| return IHEVCD_BUF_MGR_ERROR; |
| } |
| |
| ps_mv_buf++; |
| |
| } |
| return ret; |
| } |
| /** |
| ******************************************************************************* |
| * |
| * @brief |
| * Picture level initializations required during parsing |
| * |
| * @par Description: |
| * Initialize picture level context variables during parsing Initialize mv |
| * bank buffer manager in the first init call |
| * |
| * @param[in] ps_codec |
| * Pointer to codec context |
| * |
| * @returns Error from IHEVCD_ERROR_T |
| * |
| * @remarks |
| * |
| * |
| ******************************************************************************* |
| */ |
| IHEVCD_ERROR_T ihevcd_parse_pic_init(codec_t *ps_codec) |
| { |
| IHEVCD_ERROR_T ret = (IHEVCD_ERROR_T)IHEVCD_SUCCESS; |
| mv_buf_t *ps_mv_buf; |
| sps_t *ps_sps; |
| WORD32 num_min_cu; |
| WORD32 cur_pic_buf_id; |
| WORD32 cur_mv_bank_buf_id; |
| pic_buf_t *ps_cur_pic; |
| slice_header_t *ps_slice_hdr; |
| UWORD8 *pu1_cur_pic_luma, *pu1_cur_pic_chroma; |
| WORD32 i; |
| |
| ps_codec->s_parse.i4_error_code = IHEVCD_SUCCESS; |
| ps_sps = ps_codec->s_parse.ps_sps; |
| ps_slice_hdr = ps_codec->s_parse.ps_slice_hdr; |
| /* If parse_pic_init is called, then slice data is present in the input bitstrea stream */ |
| ps_codec->i4_pic_present = 1; |
| |
| /* Memset picture level intra map and transquant bypass map to zero */ |
| num_min_cu = ((ps_sps->i2_pic_height_in_luma_samples + 7) / 8) * ((ps_sps->i2_pic_width_in_luma_samples + 63) / 64); |
| memset(ps_codec->s_parse.pu1_pic_intra_flag, 0, num_min_cu); |
| memset(ps_codec->s_parse.pu1_pic_no_loop_filter_flag, 0, num_min_cu); |
| |
| |
| |
| if(0 == ps_codec->s_parse.i4_first_pic_init) |
| { |
| ret = ihevcd_mv_buf_mgr_add_bufs(ps_codec); |
| RETURN_IF((ret != (IHEVCD_ERROR_T)IHEVCD_SUCCESS), ret); |
| |
| ret = ihevcd_pic_buf_mgr_add_bufs(ps_codec); |
| RETURN_IF((ret != (IHEVCD_ERROR_T)IHEVCD_SUCCESS), ret); |
| |
| ps_codec->s_parse.i4_first_pic_init = 1; |
| } |
| |
| /* Initialize all the slice headers' slice addresses to zero */ |
| { |
| WORD32 slice_idx; |
| WORD32 slice_start_idx; |
| |
| slice_start_idx = ps_codec->i4_slice_error ? 2 : 1; |
| |
| for(slice_idx = slice_start_idx; slice_idx < MAX_SLICE_HDR_CNT; slice_idx++) |
| { |
| slice_header_t *ps_slice_hdr_tmp = ps_codec->ps_slice_hdr_base + slice_idx; |
| ps_slice_hdr_tmp->i2_ctb_x = -1; |
| ps_slice_hdr_tmp->i2_ctb_y = -1; |
| |
| } |
| } |
| |
| /* Get free MV Bank to hold current picture's motion vector data */ |
| { |
| ps_mv_buf = (mv_buf_t *)ihevc_buf_mgr_get_next_free((buf_mgr_t *)ps_codec->pv_mv_buf_mgr, &cur_mv_bank_buf_id); |
| |
| /* If there are no free buffers then return with an error code. |
| * If the buffer is to be freed by another thread , change the |
| * following to call thread yield and wait for buffer to be freed |
| */ |
| if(NULL == ps_mv_buf) |
| { |
| ps_codec->s_parse.i4_error_code = IHEVCD_NO_FREE_MVBANK; |
| ps_codec->i4_error_code = IHEVCD_NO_FREE_MVBANK; |
| return IHEVCD_NO_FREE_MVBANK; |
| } |
| |
| ps_codec->s_parse.ps_cur_mv_buf = ps_mv_buf; |
| /* Set current ABS poc to ps_mv_buf, so that while freeing a reference buffer |
| * corresponding mv buffer can be found by looping through ps_codec->ps_mv_buf array |
| * and getting a buffer id to free |
| */ |
| ps_mv_buf->i4_abs_poc = ps_slice_hdr->i4_abs_pic_order_cnt; |
| } |
| |
| /* Get free picture buffer to hold current picture recon data */ |
| /* TODO: For asynchronous api the following initializations related to picture |
| * buffer should be moved to processing side |
| */ |
| { |
| |
| UWORD8 *pu1_buf; |
| ps_cur_pic = (pic_buf_t *)ihevc_buf_mgr_get_next_free((buf_mgr_t *)ps_codec->pv_pic_buf_mgr, &cur_pic_buf_id); |
| |
| /* If there are no free buffers then return with an error code. |
| * TODO: If the buffer is to be freed by another thread , change the |
| * following to call thread yield and wait for buffer to be freed |
| */ |
| if(NULL == ps_cur_pic) |
| { |
| ps_codec->s_parse.i4_error_code = IHEVCD_NO_FREE_PICBUF; |
| ps_codec->i4_error_code = IHEVCD_NO_FREE_PICBUF; |
| return IHEVCD_NO_FREE_PICBUF; |
| } |
| |
| /* Store input timestamp sent with input buffer */ |
| ps_cur_pic->u4_ts = ps_codec->u4_ts; |
| ps_cur_pic->i4_abs_poc = ps_slice_hdr->i4_abs_pic_order_cnt; |
| ps_cur_pic->i4_poc_lsb = ps_slice_hdr->i4_pic_order_cnt_lsb; |
| pu1_buf = ps_cur_pic->pu1_luma; |
| pu1_cur_pic_luma = pu1_buf; |
| |
| pu1_buf = ps_cur_pic->pu1_chroma; |
| |
| pu1_cur_pic_chroma = pu1_buf; |
| } |
| |
| if(0 == ps_codec->u4_pic_cnt) |
| { |
| memset(ps_cur_pic->pu1_luma, 128, (ps_sps->i2_pic_width_in_luma_samples + PAD_WD) * ps_sps->i2_pic_height_in_luma_samples); |
| memset(ps_cur_pic->pu1_chroma, 128, (ps_sps->i2_pic_width_in_luma_samples + PAD_WD) * ps_sps->i2_pic_height_in_luma_samples / 2); |
| } |
| |
| /* Fill the remaining entries of the reference lists with the nearest POC |
| * This is done to handle cases where there is a corruption in the reference index */ |
| { |
| pic_buf_t *ps_pic_buf_ref; |
| mv_buf_t *ps_mv_buf_ref; |
| WORD32 r_idx; |
| dpb_mgr_t *ps_dpb_mgr = (dpb_mgr_t *)ps_codec->pv_dpb_mgr; |
| buf_mgr_t *ps_mv_buf_mgr = (buf_mgr_t *)ps_codec->pv_mv_buf_mgr; |
| |
| ps_pic_buf_ref = ihevc_dpb_mgr_get_ref_by_nearest_poc(ps_dpb_mgr, ps_slice_hdr->i4_abs_pic_order_cnt); |
| if(NULL == ps_pic_buf_ref) |
| { |
| WORD32 size; |
| |
| WORD32 num_pu; |
| WORD32 num_ctb; |
| WORD32 pic_size; |
| /* In case current mv buffer itself is being used as reference mv buffer for colocated |
| * calculations, then memset all the buffers to zero. |
| */ |
| pic_size = ALIGN64(ps_sps->i2_pic_width_in_luma_samples) * |
| ALIGN64(ps_sps->i2_pic_height_in_luma_samples); |
| |
| num_pu = pic_size / (MIN_PU_SIZE * MIN_PU_SIZE); |
| num_ctb = pic_size / (MIN_CTB_SIZE * MIN_CTB_SIZE); |
| |
| memset(ps_mv_buf->ai4_l0_collocated_poc, 0, sizeof(ps_mv_buf->ai4_l0_collocated_poc)); |
| memset(ps_mv_buf->ai1_l0_collocated_poc_lt, 0, sizeof(ps_mv_buf->ai1_l0_collocated_poc_lt)); |
| memset(ps_mv_buf->ai4_l1_collocated_poc, 0, sizeof(ps_mv_buf->ai4_l1_collocated_poc)); |
| memset(ps_mv_buf->ai1_l1_collocated_poc_lt, 0, sizeof(ps_mv_buf->ai1_l1_collocated_poc_lt)); |
| |
| size = (num_ctb + 1) * sizeof(WORD32); |
| memset(ps_mv_buf->pu4_pic_pu_idx, 0, size); |
| |
| size = num_pu; |
| memset(ps_mv_buf->pu1_pic_pu_map, 0, size); |
| size = ALIGN4(num_ctb * sizeof(UWORD16)); |
| memset(ps_mv_buf->pu1_pic_slice_map, 0, size); |
| size = num_pu * sizeof(pu_t); |
| memset(ps_mv_buf->ps_pic_pu, 0, size); |
| |
| ps_pic_buf_ref = ps_cur_pic; |
| ps_mv_buf_ref = ps_mv_buf; |
| } |
| else |
| { |
| ps_mv_buf_ref = ihevcd_mv_mgr_get_poc(ps_mv_buf_mgr, ps_pic_buf_ref->i4_abs_poc); |
| } |
| |
| for(r_idx = 0; r_idx < ps_slice_hdr->i1_num_ref_idx_l0_active; r_idx++) |
| { |
| if(NULL == ps_slice_hdr->as_ref_pic_list0[r_idx].pv_pic_buf) |
| { |
| ps_slice_hdr->as_ref_pic_list0[r_idx].pv_pic_buf = (void *)ps_pic_buf_ref; |
| ps_slice_hdr->as_ref_pic_list0[r_idx].pv_mv_buf = (void *)ps_mv_buf_ref; |
| } |
| } |
| |
| for(r_idx = ps_slice_hdr->i1_num_ref_idx_l0_active; r_idx < MAX_DPB_SIZE; r_idx++) |
| { |
| ps_slice_hdr->as_ref_pic_list0[r_idx].pv_pic_buf = (void *)ps_pic_buf_ref; |
| ps_slice_hdr->as_ref_pic_list0[r_idx].pv_mv_buf = (void *)ps_mv_buf_ref; |
| } |
| |
| for(r_idx = 0; r_idx < ps_slice_hdr->i1_num_ref_idx_l1_active; r_idx++) |
| { |
| if(NULL == ps_slice_hdr->as_ref_pic_list1[r_idx].pv_pic_buf) |
| { |
| ps_slice_hdr->as_ref_pic_list1[r_idx].pv_pic_buf = (void *)ps_pic_buf_ref; |
| ps_slice_hdr->as_ref_pic_list1[r_idx].pv_mv_buf = (void *)ps_mv_buf_ref; |
| } |
| } |
| |
| for(r_idx = ps_slice_hdr->i1_num_ref_idx_l1_active; r_idx < MAX_DPB_SIZE; r_idx++) |
| { |
| ps_slice_hdr->as_ref_pic_list1[r_idx].pv_pic_buf = (void *)ps_pic_buf_ref; |
| ps_slice_hdr->as_ref_pic_list1[r_idx].pv_mv_buf = (void *)ps_mv_buf_ref; |
| } |
| } |
| |
| |
| /* Reset the jobq to start of the jobq buffer */ |
| ihevcd_jobq_reset((jobq_t *)ps_codec->pv_proc_jobq); |
| |
| ps_codec->s_parse.i4_pic_pu_idx = 0; |
| ps_codec->s_parse.i4_pic_tu_idx = 0; |
| |
| ps_codec->s_parse.pu1_pic_pu_map = ps_mv_buf->pu1_pic_pu_map; |
| ps_codec->s_parse.ps_pic_pu = ps_mv_buf->ps_pic_pu; |
| ps_codec->s_parse.pu4_pic_pu_idx = ps_mv_buf->pu4_pic_pu_idx; |
| ps_codec->s_parse.pu1_slice_idx = (UWORD16 *)ps_mv_buf->pu1_pic_slice_map; |
| for(i = 0; i < MAX_PROCESS_THREADS; i++) |
| { |
| ps_codec->as_process[i].pu1_slice_idx = (UWORD16 *)ps_mv_buf->pu1_pic_slice_map; |
| } |
| ps_codec->s_parse.pu1_pu_map = ps_codec->s_parse.pu1_pic_pu_map; |
| ps_codec->s_parse.ps_pu = ps_codec->s_parse.ps_pic_pu; |
| |
| { |
| UWORD8 *pu1_buf; |
| WORD32 ctb_luma_min_tu_cnt, ctb_chroma_min_tu_cnt, ctb_min_tu_cnt; |
| WORD32 pic_size; |
| WORD32 num_ctb; |
| |
| pic_size = ALIGN64(ps_sps->i2_pic_width_in_luma_samples) * |
| ALIGN64(ps_sps->i2_pic_height_in_luma_samples); |
| |
| ctb_luma_min_tu_cnt = pic_size / (MIN_TU_SIZE * MIN_TU_SIZE); |
| |
| ctb_chroma_min_tu_cnt = ctb_luma_min_tu_cnt >> 1; |
| |
| ctb_min_tu_cnt = ctb_luma_min_tu_cnt + ctb_chroma_min_tu_cnt; |
| |
| num_ctb = pic_size / (MIN_CTB_SIZE * MIN_CTB_SIZE); |
| pu1_buf = (UWORD8 *)ps_codec->pv_tu_data; |
| ps_codec->s_parse.pu4_pic_tu_idx = (UWORD32 *)pu1_buf; |
| pu1_buf += (num_ctb + 1) * sizeof(WORD32); |
| |
| ps_codec->s_parse.pu1_pic_tu_map = pu1_buf; |
| pu1_buf += ctb_min_tu_cnt; |
| |
| ps_codec->s_parse.ps_pic_tu = (tu_t *)pu1_buf; |
| pu1_buf += ctb_min_tu_cnt * sizeof(tu_t); |
| |
| ps_codec->s_parse.pv_pic_tu_coeff_data = pu1_buf; |
| |
| ps_codec->s_parse.pu1_tu_map = ps_codec->s_parse.pu1_pic_tu_map; |
| ps_codec->s_parse.ps_tu = ps_codec->s_parse.ps_pic_tu; |
| ps_codec->s_parse.pv_tu_coeff_data = ps_codec->s_parse.pv_pic_tu_coeff_data; |
| } |
| |
| ps_codec->s_parse.s_bs_ctxt.ps_pic_pu = ps_codec->s_parse.ps_pic_pu; |
| ps_codec->s_parse.s_bs_ctxt.pu4_pic_pu_idx = ps_codec->s_parse.pu4_pic_pu_idx; |
| ps_codec->s_parse.s_bs_ctxt.pu4_pic_tu_idx = ps_codec->s_parse.pu4_pic_tu_idx; |
| |
| |
| /* Set number of CTBs to be processed simultaneously */ |
| ps_codec->i4_proc_nctb = ihevcd_nctb_cnt(ps_codec, ps_sps); |
| |
| /* Memset Parse Map and process map at the start of frame */ |
| //TODO: In case of asynchronous API proc_map can not be set to zero here |
| { |
| WORD32 num_ctb; |
| |
| num_ctb = ps_sps->i4_pic_size_in_ctb; |
| |
| memset(ps_codec->pu1_parse_map, 0, num_ctb); |
| |
| memset(ps_codec->pu1_proc_map, 0, num_ctb); |
| } |
| |
| |
| |
| /* Initialize disp buf id to -1, this will be updated at the end of frame if there is |
| * buffer to be displayed |
| */ |
| ps_codec->i4_disp_buf_id = -1; |
| ps_codec->ps_disp_buf = NULL; |
| |
| ps_codec->i4_disable_deblk_pic = 0; |
| ps_codec->i4_disable_sao_pic = 0; |
| ps_codec->i4_fullpel_inter_pred = 0; |
| ps_codec->i4_mv_frac_mask = 0x7FFFFFFF; |
| |
| /* If degrade is enabled, set the degrade flags appropriately */ |
| if(ps_codec->i4_degrade_type && ps_codec->i4_degrade_pics) |
| { |
| WORD32 degrade_pic; |
| ps_codec->i4_degrade_pic_cnt++; |
| degrade_pic = 0; |
| |
| /* If degrade is to be done in all frames, then do not check further */ |
| switch(ps_codec->i4_degrade_pics) |
| { |
| case 4: |
| { |
| degrade_pic = 1; |
| break; |
| } |
| case 3: |
| { |
| if(ps_slice_hdr->i1_slice_type != ISLICE) |
| degrade_pic = 1; |
| |
| break; |
| } |
| case 2: |
| { |
| |
| /* If pic count hits non-degrade interval or it is an islice, then do not degrade */ |
| if((ps_slice_hdr->i1_slice_type != ISLICE) && |
| (ps_codec->i4_degrade_pic_cnt != ps_codec->i4_nondegrade_interval)) |
| degrade_pic = 1; |
| |
| break; |
| } |
| case 1: |
| { |
| /* Check if the current picture is non-ref */ |
| if((ps_slice_hdr->i1_nal_unit_type < NAL_BLA_W_LP) && |
| (ps_slice_hdr->i1_nal_unit_type % 2 == 0)) |
| { |
| degrade_pic = 1; |
| } |
| break; |
| } |
| |
| |
| } |
| if(degrade_pic) |
| { |
| if(ps_codec->i4_degrade_type & 0x1) |
| ps_codec->i4_disable_sao_pic = 1; |
| |
| if(ps_codec->i4_degrade_type & 0x2) |
| ps_codec->i4_disable_deblk_pic = 1; |
| |
| /* MC degrading is done only for non-ref pictures */ |
| if((ps_slice_hdr->i1_nal_unit_type < NAL_BLA_W_LP) && |
| (ps_slice_hdr->i1_nal_unit_type % 2 == 0)) |
| { |
| if(ps_codec->i4_degrade_type & 0x4) |
| ps_codec->i4_mv_frac_mask = 0; |
| |
| if(ps_codec->i4_degrade_type & 0x8) |
| ps_codec->i4_mv_frac_mask = 0; |
| } |
| } |
| else |
| ps_codec->i4_degrade_pic_cnt = 0; |
| } |
| |
| |
| { |
| WORD32 i; |
| for(i = 0; i < MAX_PROCESS_THREADS; i++) |
| { |
| ps_codec->as_process[i].pu4_pic_pu_idx = ps_codec->s_parse.pu4_pic_pu_idx; |
| ps_codec->as_process[i].ps_pic_pu = ps_codec->s_parse.ps_pic_pu; |
| ps_codec->as_process[i].pu1_pic_pu_map = ps_codec->s_parse.pu1_pic_pu_map; |
| ps_codec->as_process[i].pu4_pic_tu_idx = ps_codec->s_parse.pu4_pic_tu_idx; |
| ps_codec->as_process[i].ps_pic_tu = ps_codec->s_parse.ps_pic_tu; |
| ps_codec->as_process[i].pu1_pic_tu_map = ps_codec->s_parse.pu1_pic_tu_map; |
| ps_codec->as_process[i].pv_pic_tu_coeff_data = ps_codec->s_parse.pv_pic_tu_coeff_data; |
| ps_codec->as_process[i].i4_cur_mv_bank_buf_id = cur_mv_bank_buf_id; |
| ps_codec->as_process[i].s_sao_ctxt.pu1_slice_idx = ps_codec->as_process[i].pu1_slice_idx; |
| ps_codec->as_process[i].s_sao_ctxt.pu1_tile_idx = ps_codec->as_process[i].pu1_tile_idx; |
| |
| /* TODO: For asynchronous api the following initializations related to picture |
| * buffer should be moved to processing side |
| */ |
| ps_codec->as_process[i].pu1_cur_pic_luma = pu1_cur_pic_luma; |
| ps_codec->as_process[i].pu1_cur_pic_chroma = pu1_cur_pic_chroma; |
| ps_codec->as_process[i].ps_cur_pic = ps_cur_pic; |
| ps_codec->as_process[i].i4_cur_pic_buf_id = cur_pic_buf_id; |
| |
| ps_codec->as_process[i].ps_out_buffer = ps_codec->ps_out_buffer; |
| if(1 < ps_codec->i4_num_cores) |
| { |
| ps_codec->as_process[i].i4_check_parse_status = 1; |
| ps_codec->as_process[i].i4_check_proc_status = 1; |
| } |
| else |
| { |
| ps_codec->as_process[i].i4_check_parse_status = 0; |
| ps_codec->as_process[i].i4_check_proc_status = 0; |
| } |
| ps_codec->as_process[i].pu1_pic_intra_flag = ps_codec->s_parse.pu1_pic_intra_flag; |
| ps_codec->as_process[i].pu1_pic_no_loop_filter_flag = ps_codec->s_parse.pu1_pic_no_loop_filter_flag; |
| ps_codec->as_process[i].i4_init_done = 0; |
| |
| ps_codec->as_process[i].s_bs_ctxt.pu4_pic_tu_idx = ps_codec->as_process[i].pu4_pic_tu_idx; |
| ps_codec->as_process[i].s_bs_ctxt.pu4_pic_pu_idx = ps_codec->as_process[i].pu4_pic_pu_idx; |
| ps_codec->as_process[i].s_bs_ctxt.ps_pic_pu = ps_codec->as_process[i].ps_pic_pu; |
| ps_codec->as_process[i].s_deblk_ctxt.pu1_pic_no_loop_filter_flag = ps_codec->s_parse.pu1_pic_no_loop_filter_flag; |
| ps_codec->as_process[i].s_deblk_ctxt.pu1_cur_pic_luma = pu1_cur_pic_luma; |
| ps_codec->as_process[i].s_deblk_ctxt.pu1_cur_pic_chroma = pu1_cur_pic_chroma; |
| ps_codec->as_process[i].s_sao_ctxt.pu1_pic_no_loop_filter_flag = ps_codec->s_parse.pu1_pic_no_loop_filter_flag; |
| ps_codec->as_process[i].s_sao_ctxt.pu1_cur_pic_luma = pu1_cur_pic_luma; |
| ps_codec->as_process[i].s_sao_ctxt.pu1_cur_pic_chroma = pu1_cur_pic_chroma; |
| if(i < (ps_codec->i4_num_cores - 1)) |
| { |
| ithread_create(ps_codec->apv_process_thread_handle[i], NULL, |
| (void *)ihevcd_process_thread, |
| (void *)&ps_codec->as_process[i]); |
| ps_codec->ai4_process_thread_created[i] = 1; |
| } |
| else |
| { |
| ps_codec->ai4_process_thread_created[i] = 0; |
| } |
| |
| } |
| ps_codec->s_parse.s_deblk_ctxt.pu1_cur_pic_luma = pu1_cur_pic_luma; |
| ps_codec->s_parse.s_deblk_ctxt.pu1_cur_pic_chroma = pu1_cur_pic_chroma; |
| |
| ps_codec->s_parse.s_sao_ctxt.pu1_cur_pic_luma = pu1_cur_pic_luma; |
| ps_codec->s_parse.s_sao_ctxt.pu1_cur_pic_chroma = pu1_cur_pic_chroma; |
| } |
| /* Since any input bitstream buffer that contains slice data will be sent to output(even in |
| * case of error, this buffer is added to display queue and next buffer in the display queue |
| * will be returned as the display buffer. |
| * Note: If format conversion (or frame copy) is used and is scheduled |
| * in a different thread then it has to check if the processing for the current row is complete before |
| * it copies/converts a given row. In case of low delay or in case of B pictures, current frame being decoded has to be |
| * returned, which requires a status check to ensure that the current row is reconstructed before copying. |
| */ |
| /* Add current picture to display manager */ |
| { |
| WORD32 abs_poc; |
| slice_header_t *ps_slice_hdr; |
| ps_slice_hdr = ps_codec->s_parse.ps_slice_hdr; |
| abs_poc = ps_slice_hdr->i4_abs_pic_order_cnt; |
| ihevc_disp_mgr_add((disp_mgr_t *)ps_codec->pv_disp_buf_mgr, |
| ps_codec->as_process[0].i4_cur_pic_buf_id, |
| abs_poc, |
| ps_codec->as_process[0].ps_cur_pic); |
| } |
| ps_codec->ps_disp_buf = NULL; |
| /* Get picture to be displayed if number of pictures decoded is more than max allowed reorder */ |
| /* Since the current will be decoded, check is fore >= instead of > */ |
| if(((WORD32)(ps_codec->u4_pic_cnt - ps_codec->u4_disp_cnt) >= ps_sps->ai1_sps_max_num_reorder_pics[ps_sps->i1_sps_max_sub_layers - 1]) || |
| (ps_codec->e_frm_out_mode == IVD_DECODE_FRAME_OUT)) |
| |
| { |
| ps_codec->ps_disp_buf = (pic_buf_t *)ihevc_disp_mgr_get((disp_mgr_t *)ps_codec->pv_disp_buf_mgr, &ps_codec->i4_disp_buf_id); |
| ps_codec->u4_disp_cnt++; |
| } |
| |
| ps_codec->s_fmt_conv.i4_cur_row = 0; |
| /* Set number of rows to be processed at a time */ |
| ps_codec->s_fmt_conv.i4_num_rows = 4; |
| |
| if(ps_codec->u4_enable_fmt_conv_ahead && (ps_codec->i4_num_cores > 1)) |
| { |
| process_ctxt_t *ps_proc; |
| |
| /* i4_num_cores - 1 contexts are currently being used by other threads */ |
| ps_proc = &ps_codec->as_process[ps_codec->i4_num_cores - 1]; |
| |
| /* If the frame being decoded and displayed are different, schedule format conversion jobs |
| * this will keep the proc threads busy and lets parse thread decode few CTBs ahead |
| * If the frame being decoded and displayed are same, then format conversion is scheduled later. |
| */ |
| if((ps_codec->ps_disp_buf) && (ps_codec->i4_disp_buf_id != ps_proc->i4_cur_pic_buf_id) && |
| ((0 == ps_codec->i4_share_disp_buf) || (IV_YUV_420P == ps_codec->e_chroma_fmt))) |
| { |
| |
| for(i = 0; i < ps_sps->i2_pic_ht_in_ctb; i++) |
| { |
| proc_job_t s_job; |
| IHEVCD_ERROR_T ret; |
| s_job.i4_cmd = CMD_FMTCONV; |
| s_job.i2_ctb_cnt = 0; |
| s_job.i2_ctb_x = 0; |
| s_job.i2_ctb_y = i; |
| s_job.i2_slice_idx = 0; |
| s_job.i4_tu_coeff_data_ofst = 0; |
| ret = ihevcd_jobq_queue((jobq_t *)ps_codec->s_parse.pv_proc_jobq, |
| &s_job, sizeof(proc_job_t), 1); |
| if(ret != (IHEVCD_ERROR_T)IHEVCD_SUCCESS) |
| return ret; |
| } |
| } |
| } |
| |
| |
| return ret; |
| } |
| |
| |
