| /****************************************************************************** |
| * |
| * 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_decode.c |
| * |
| * @brief |
| * Contains codecs main decode function |
| * |
| * @author |
| * Harish |
| * |
| * @par List of Functions: |
| * - fill_outargs() |
| * - ihevcd_decode |
| * @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_structs.h" |
| #include "ihevc_macros.h" |
| #include "ihevc_platform_macros.h" |
| #include "ihevc_cabac_tables.h" |
| #include "ihevc_disp_mgr.h" |
| #include "ihevc_buf_mgr.h" |
| #include "ihevc_dpb_mgr.h" |
| #include "ihevc_error.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_fmt_conv.h" |
| #include "ihevcd_job_queue.h" |
| #include "ihevcd_debug.h" |
| #include "ihevcd_process_slice.h" |
| #include "ihevcd_ittiam_logo.h" |
| #include "ihevcd_profile.h" |
| |
| #define NUM_FRAMES_LIMIT_ENABLED 0 |
| |
| #if NUM_FRAMES_LIMIT_ENABLED |
| #define NUM_FRAMES_LIMIT 10000 |
| #else |
| #define NUM_FRAMES_LIMIT 0x7FFFFFFF |
| #endif |
| |
| IHEVCD_ERROR_T ihevcd_fmt_conv(codec_t *ps_codec, |
| process_ctxt_t *ps_proc, |
| UWORD8 *pu1_y_dst, |
| UWORD8 *pu1_u_dst, |
| UWORD8 *pu1_v_dst, |
| WORD32 cur_row, |
| WORD32 num_rows); |
| WORD32 ihevcd_init(codec_t *ps_codec); |
| |
| WORD32 ihevcd_allocate_dynamic_bufs(codec_t *ps_codec); |
| WORD32 ihevcd_free_dynamic_bufs(codec_t *ps_codec); |
| /*****************************************************************************/ |
| /* Function Prototypes */ |
| /*****************************************************************************/ |
| |
| |
| /** |
| ******************************************************************************* |
| * |
| * @brief Fills output arguments for decode process |
| * |
| * @par Description |
| * Fills elements in the output structure based on the current state |
| * |
| * @param[in] ps_codec |
| * Codec context |
| * |
| * @param[in] ps_dec_ip |
| * Pointer to input structure |
| * |
| * @param[in] ps_dec_op |
| * Pointer to output structure |
| * |
| * @returns none |
| * |
| * @remarks |
| * |
| ******************************************************************************* |
| */ |
| static UWORD32 ihevcd_map_error(IHEVCD_ERROR_T e_error) |
| { |
| UWORD32 error_code = 0; |
| error_code = e_error; |
| switch(error_code) |
| { |
| case IHEVCD_SUCCESS : |
| break; |
| case IHEVCD_INIT_NOT_DONE: |
| case IHEVCD_LEVEL_UNSUPPORTED: |
| case IHEVCD_NUM_REF_UNSUPPORTED: |
| case IHEVCD_NUM_REORDER_UNSUPPORTED: |
| case IHEVCD_NUM_EXTRA_DISP_UNSUPPORTED: |
| case IHEVCD_INSUFFICIENT_MEM_MVBANK: |
| case IHEVCD_INSUFFICIENT_MEM_PICBUF: |
| error_code |= 1 << IVD_FATALERROR; |
| break; |
| case IHEVCD_INVALID_DISP_STRD: |
| case IHEVCD_CXA_VERS_BUF_INSUFFICIENT: |
| case IHEVCD_UNSUPPORTED_VPS_ID: |
| case IHEVCD_UNSUPPORTED_SPS_ID: |
| case IHEVCD_UNSUPPORTED_PPS_ID: |
| case IHEVCD_UNSUPPORTED_CHROMA_FMT_IDC: |
| case IHEVCD_UNSUPPORTED_BIT_DEPTH: |
| case IHEVCD_BUF_MGR_ERROR: |
| case IHEVCD_NO_FREE_MVBANK: |
| case IHEVCD_NO_FREE_PICBUF: |
| case IHEVCD_SLICE_IN_HEADER_MODE: |
| case IHEVCD_END_OF_SEQUENCE: |
| break; |
| default: |
| break; |
| } |
| return error_code; |
| } |
| /** |
| ******************************************************************************* |
| * |
| * @brief Fills output arguments for decode process |
| * |
| * @par Description |
| * Fills elements in the output structure based on the current state |
| * |
| * @param[in] ps_codec |
| * Codec context |
| * |
| * @param[in] ps_dec_ip |
| * Pointer to input structure |
| * |
| * @param[in] ps_dec_op |
| * Pointer to output structure |
| * |
| * @returns none |
| * |
| * @remarks |
| * |
| ******************************************************************************* |
| */ |
| static void ihevcd_fill_outargs(codec_t *ps_codec, |
| ivd_video_decode_ip_t *ps_dec_ip, |
| ivd_video_decode_op_t *ps_dec_op) |
| { |
| |
| ps_dec_op->u4_error_code = ihevcd_map_error((IHEVCD_ERROR_T)ps_codec->i4_error_code); |
| ps_dec_op->u4_num_bytes_consumed = ps_dec_ip->u4_num_Bytes |
| - ps_codec->i4_bytes_remaining; |
| if(ps_codec->i4_sps_done) |
| { |
| ps_dec_op->u4_pic_wd = ps_codec->i4_disp_wd; |
| ps_dec_op->u4_pic_ht = ps_codec->i4_disp_ht; |
| } |
| else |
| { |
| ps_dec_op->u4_pic_wd = 0; |
| ps_dec_op->u4_pic_ht = 0; |
| } |
| |
| ps_dec_op->e_pic_type = ps_codec->e_dec_pic_type; |
| ps_dec_op->u4_frame_decoded_flag = ps_codec->i4_pic_present; |
| ps_dec_op->u4_new_seq = 0; |
| |
| ps_dec_op->u4_output_present = 0; |
| ps_dec_op->u4_progressive_frame_flag = 1; |
| ps_dec_op->u4_is_ref_flag = 1; |
| ps_dec_op->e_output_format = ps_codec->e_chroma_fmt; |
| ps_dec_op->u4_is_ref_flag = 1; |
| |
| ps_dec_op->e4_fld_type = IV_FLD_TYPE_DEFAULT; |
| |
| ps_dec_op->u4_ts = (UWORD32)(-1); |
| ps_dec_op->u4_disp_buf_id = ps_codec->i4_disp_buf_id; |
| if(ps_codec->i4_flush_mode) |
| { |
| ps_dec_op->u4_num_bytes_consumed = 0; |
| /*In the case of flush ,since no frame is decoded set pic type as invalid*/ |
| ps_dec_op->u4_is_ref_flag = 0; |
| ps_dec_op->e_pic_type = IV_NA_FRAME; |
| ps_dec_op->u4_frame_decoded_flag = 0; |
| |
| } |
| /* If there is a display buffer */ |
| if(ps_codec->ps_disp_buf) |
| { |
| pic_buf_t *ps_disp_buf = ps_codec->ps_disp_buf; |
| |
| ps_dec_op->u4_output_present = 1; |
| ps_dec_op->u4_ts = ps_disp_buf->u4_ts; |
| if((ps_codec->i4_flush_mode == 0) && (ps_codec->s_parse.i4_end_of_frame == 0)) |
| ps_dec_op->u4_output_present = 0; |
| ps_dec_op->s_disp_frm_buf.u4_y_wd = ps_codec->i4_disp_wd; |
| ps_dec_op->s_disp_frm_buf.u4_y_ht = ps_codec->i4_disp_ht; |
| |
| if(ps_codec->i4_share_disp_buf) |
| { |
| ps_dec_op->s_disp_frm_buf.pv_y_buf = ps_disp_buf->pu1_luma; |
| if(ps_codec->e_chroma_fmt != IV_YUV_420P) |
| { |
| ps_dec_op->s_disp_frm_buf.pv_u_buf = ps_disp_buf->pu1_chroma; |
| ps_dec_op->s_disp_frm_buf.pv_v_buf = NULL; |
| } |
| else |
| { |
| WORD32 i; |
| UWORD8 *pu1_u_dst = NULL, *pu1_v_dst = NULL; |
| for(i = 0; i < ps_codec->i4_share_disp_buf_cnt; i++) |
| { |
| WORD32 diff = ps_disp_buf->pu1_luma - ps_codec->s_disp_buffer[i].pu1_bufs[0]; |
| if(diff == (ps_codec->i4_strd * PAD_TOP + PAD_LEFT)) |
| { |
| pu1_u_dst = ps_codec->s_disp_buffer[i].pu1_bufs[1]; |
| pu1_u_dst += (ps_codec->i4_strd * PAD_TOP) / 4 + (PAD_LEFT / 2); |
| |
| pu1_v_dst = ps_codec->s_disp_buffer[i].pu1_bufs[2]; |
| pu1_v_dst += (ps_codec->i4_strd * PAD_TOP) / 4 + (PAD_LEFT / 2); |
| break; |
| } |
| } |
| ps_dec_op->s_disp_frm_buf.pv_u_buf = pu1_u_dst; |
| ps_dec_op->s_disp_frm_buf.pv_v_buf = pu1_v_dst; |
| } |
| ps_dec_op->s_disp_frm_buf.u4_y_strd = ps_codec->i4_strd; |
| } |
| else |
| { |
| ps_dec_op->s_disp_frm_buf.pv_y_buf = |
| ps_dec_ip->s_out_buffer.pu1_bufs[0]; |
| ps_dec_op->s_disp_frm_buf.pv_u_buf = |
| ps_dec_ip->s_out_buffer.pu1_bufs[1]; |
| ps_dec_op->s_disp_frm_buf.pv_v_buf = |
| ps_dec_ip->s_out_buffer.pu1_bufs[2]; |
| ps_dec_op->s_disp_frm_buf.u4_y_strd = ps_codec->i4_disp_strd; |
| } |
| |
| if((IV_YUV_420SP_VU == ps_codec->e_chroma_fmt) |
| || (IV_YUV_420SP_UV == ps_codec->e_chroma_fmt)) |
| { |
| ps_dec_op->s_disp_frm_buf.u4_u_strd = |
| ps_dec_op->s_disp_frm_buf.u4_y_strd; |
| ps_dec_op->s_disp_frm_buf.u4_v_strd = 0; |
| ps_dec_op->s_disp_frm_buf.u4_u_wd = |
| ps_dec_op->s_disp_frm_buf.u4_y_wd; |
| ps_dec_op->s_disp_frm_buf.u4_v_wd = 0; |
| ps_dec_op->s_disp_frm_buf.u4_u_ht = |
| ps_dec_op->s_disp_frm_buf.u4_y_ht / 2; |
| ps_dec_op->s_disp_frm_buf.u4_v_ht = 0; |
| } |
| else if(IV_YUV_420P == ps_codec->e_chroma_fmt) |
| { |
| ps_dec_op->s_disp_frm_buf.u4_u_strd = |
| ps_dec_op->s_disp_frm_buf.u4_y_strd / 2; |
| ps_dec_op->s_disp_frm_buf.u4_v_strd = |
| ps_dec_op->s_disp_frm_buf.u4_y_strd / 2; |
| ps_dec_op->s_disp_frm_buf.u4_u_wd = |
| ps_dec_op->s_disp_frm_buf.u4_y_wd / 2; |
| ps_dec_op->s_disp_frm_buf.u4_v_wd = |
| ps_dec_op->s_disp_frm_buf.u4_y_wd / 2; |
| ps_dec_op->s_disp_frm_buf.u4_u_ht = |
| ps_dec_op->s_disp_frm_buf.u4_y_ht / 2; |
| ps_dec_op->s_disp_frm_buf.u4_v_ht = |
| ps_dec_op->s_disp_frm_buf.u4_y_ht / 2; |
| } |
| |
| } |
| else if(ps_codec->i4_flush_mode) |
| { |
| ps_dec_op->u4_error_code = IHEVCD_END_OF_SEQUENCE; |
| /* Come out of flush mode */ |
| ps_codec->i4_flush_mode = 0; |
| } |
| |
| } |
| |
| /** |
| ******************************************************************************* |
| * |
| * @brief |
| * Codec process call |
| * |
| * @par Description: |
| * Codec process call Tests for few error checks Handle flush and decode |
| * header related code Parse bitstream for start codes For each NAL unit |
| * call decode NAL function Once a complete frame is decoded (in frame |
| * decode mode) Fill output arguments and return |
| * |
| * @param[in] ps_codec_obj |
| * Pointer to codec object at API level |
| * |
| * @param[in] pv_api_ip |
| * Pointer to input argument structure |
| * |
| * @param[in] pv_api_op |
| * Pointer to output argument structure |
| * |
| * @returns Status |
| * |
| * @remarks |
| * |
| * |
| ******************************************************************************* |
| */ |
| WORD32 ihevcd_decode(iv_obj_t *ps_codec_obj, void *pv_api_ip, void *pv_api_op) |
| { |
| WORD32 ret = IV_SUCCESS; |
| codec_t *ps_codec = (codec_t *)(ps_codec_obj->pv_codec_handle); |
| ivd_video_decode_ip_t *ps_dec_ip; |
| ivd_video_decode_op_t *ps_dec_op; |
| |
| WORD32 proc_idx = 0; |
| WORD32 prev_proc_idx = 0; |
| |
| /* Initialize error code */ |
| ps_codec->i4_error_code = 0; |
| |
| ps_dec_ip = (ivd_video_decode_ip_t *)pv_api_ip; |
| ps_dec_op = (ivd_video_decode_op_t *)pv_api_op; |
| |
| { |
| UWORD32 u4_size = ps_dec_op->u4_size; |
| memset(ps_dec_op, 0, sizeof(ivd_video_decode_op_t)); |
| ps_dec_op->u4_size = u4_size; //Restore size field |
| } |
| if(ps_codec->i4_init_done != 1) |
| { |
| ps_dec_op->u4_error_code |= 1 << IVD_FATALERROR; |
| ps_dec_op->u4_error_code |= IHEVCD_INIT_NOT_DONE; |
| return IV_FAIL; |
| } |
| |
| if(ps_codec->u4_pic_cnt >= NUM_FRAMES_LIMIT) |
| { |
| ps_dec_op->u4_error_code |= 1 << IVD_FATALERROR; |
| ps_dec_op->u4_error_code |= IHEVCD_NUM_FRAMES_LIMIT_REACHED; |
| return IV_FAIL; |
| } |
| |
| /* If reset flag is set, flush the existing buffers */ |
| if(ps_codec->i4_reset_flag) |
| { |
| ps_codec->i4_flush_mode = 1; |
| } |
| |
| /*Data memory barries instruction,so that bitstream write by the application is complete*/ |
| //arm_dsb(); |
| /* In case the decoder is not in flush mode check for input buffer validity */ |
| if(0 == ps_codec->i4_flush_mode) |
| { |
| if(ps_dec_ip->pv_stream_buffer == NULL) |
| { |
| ps_dec_op->u4_error_code |= 1 << IVD_UNSUPPORTEDPARAM; |
| ps_dec_op->u4_error_code |= IVD_DEC_FRM_BS_BUF_NULL; |
| return IV_FAIL; |
| } |
| if(ps_dec_ip->u4_num_Bytes <= MIN_START_CODE_LEN) |
| { |
| if((WORD32)ps_dec_ip->u4_num_Bytes > 0) |
| ps_dec_op->u4_num_bytes_consumed = ps_dec_ip->u4_num_Bytes; |
| else |
| ps_dec_op->u4_num_bytes_consumed = 0; |
| |
| ps_dec_op->u4_error_code |= 1 << IVD_UNSUPPORTEDPARAM; |
| ps_dec_op->u4_error_code |= IVD_DEC_NUMBYTES_INV; |
| return IV_FAIL; |
| |
| } |
| } |
| |
| #ifdef APPLY_CONCEALMENT |
| { |
| WORD32 num_mbs; |
| |
| num_mbs = (ps_codec->i4_wd * ps_codec->i4_ht + 255) >> 8; |
| /* Reset MB Count at the beginning of every process call */ |
| ps_codec->mb_count = 0; |
| memset(ps_codec->mb_map, 0, ((num_mbs + 7) >> 3)); |
| } |
| #endif |
| |
| if(0 == ps_codec->i4_share_disp_buf && ps_codec->i4_header_mode == 0) |
| { |
| UWORD32 i; |
| if(ps_dec_ip->s_out_buffer.u4_num_bufs == 0) |
| { |
| ps_dec_op->u4_error_code |= 1 << IVD_UNSUPPORTEDPARAM; |
| ps_dec_op->u4_error_code |= IVD_DISP_FRM_ZERO_OP_BUFS; |
| return IV_FAIL; |
| } |
| |
| for(i = 0; i < ps_dec_ip->s_out_buffer.u4_num_bufs; i++) |
| { |
| if(ps_dec_ip->s_out_buffer.pu1_bufs[i] == NULL) |
| { |
| ps_dec_op->u4_error_code |= 1 << IVD_UNSUPPORTEDPARAM; |
| ps_dec_op->u4_error_code |= IVD_DISP_FRM_OP_BUF_NULL; |
| return IV_FAIL; |
| } |
| |
| if(ps_dec_ip->s_out_buffer.u4_min_out_buf_size[i] == 0) |
| { |
| ps_dec_op->u4_error_code |= 1 << IVD_UNSUPPORTEDPARAM; |
| ps_dec_op->u4_error_code |= IVD_DISP_FRM_ZERO_OP_BUF_SIZE; |
| return IV_FAIL; |
| } |
| } |
| } |
| |
| ps_codec->ps_out_buffer = &ps_dec_ip->s_out_buffer; |
| ps_codec->u4_ts = ps_dec_ip->u4_ts; |
| if(ps_codec->i4_flush_mode) |
| { |
| |
| ps_dec_op->u4_pic_wd = ps_codec->i4_disp_wd; |
| ps_dec_op->u4_pic_ht = ps_codec->i4_disp_ht; |
| |
| ps_dec_op->u4_new_seq = 0; |
| |
| 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); |
| /* In case of non-shared mode, then convert/copy the frame to output buffer */ |
| /* Only if the codec is in non-shared mode or in shared mode but needs 420P output */ |
| if((ps_codec->ps_disp_buf) |
| && ((0 == ps_codec->i4_share_disp_buf) |
| || (IV_YUV_420P |
| == ps_codec->e_chroma_fmt))) |
| { |
| |
| process_ctxt_t *ps_proc = &ps_codec->as_process[prev_proc_idx]; |
| if(0 == ps_proc->i4_init_done) |
| { |
| ihevcd_init_proc_ctxt(ps_proc, 0); |
| } |
| |
| /* Set remaining number of rows to be processed */ |
| ret = ihevcd_fmt_conv(ps_codec, &ps_codec->as_process[prev_proc_idx], |
| ps_dec_ip->s_out_buffer.pu1_bufs[0], |
| ps_dec_ip->s_out_buffer.pu1_bufs[1], |
| ps_dec_ip->s_out_buffer.pu1_bufs[2], 0, |
| ps_codec->i4_disp_ht); |
| |
| ihevc_buf_mgr_release((buf_mgr_t *)ps_codec->pv_pic_buf_mgr, |
| ps_codec->i4_disp_buf_id, BUF_MGR_DISP); |
| } |
| |
| ihevcd_fill_outargs(ps_codec, ps_dec_ip, ps_dec_op); |
| |
| if(1 == ps_dec_op->u4_output_present) |
| { |
| WORD32 xpos = ps_codec->i4_disp_wd - 32 - LOGO_WD; |
| WORD32 ypos = ps_codec->i4_disp_ht - 32 - LOGO_HT; |
| |
| if(ypos < 0) |
| ypos = 0; |
| |
| if(xpos < 0) |
| xpos = 0; |
| |
| INSERT_LOGO(ps_dec_ip->s_out_buffer.pu1_bufs[0], |
| ps_dec_ip->s_out_buffer.pu1_bufs[1], |
| ps_dec_ip->s_out_buffer.pu1_bufs[2], ps_codec->i4_disp_strd, |
| xpos, |
| ypos, |
| ps_codec->e_chroma_fmt, |
| ps_codec->i4_disp_wd, |
| ps_codec->i4_disp_ht); |
| } |
| |
| |
| if(NULL == ps_codec->ps_disp_buf) |
| { |
| /* If in flush mode and there are no more buffers to flush, |
| * check for the reset flag and reset the decoder */ |
| if(ps_codec->i4_reset_flag) |
| { |
| ihevcd_init(ps_codec); |
| } |
| return (IV_FAIL); |
| } |
| |
| return (IV_SUCCESS); |
| |
| } |
| /* In case of shared mode, check if there is a free buffer for reconstruction */ |
| if((0 == ps_codec->i4_header_mode) && (1 == ps_codec->i4_share_disp_buf)) |
| { |
| WORD32 buf_status; |
| buf_status = 1; |
| if(ps_codec->pv_pic_buf_mgr) |
| buf_status = ihevc_buf_mgr_check_free((buf_mgr_t *)ps_codec->pv_pic_buf_mgr); |
| |
| /* If there is no free buffer, then return with an error code */ |
| if(0 == buf_status) |
| { |
| ps_dec_op->u4_error_code = IVD_DEC_REF_BUF_NULL; |
| ps_dec_op->u4_error_code |= (1 << IVD_UNSUPPORTEDPARAM); |
| return IV_FAIL; |
| } |
| } |
| ps_codec->i4_bytes_remaining = ps_dec_ip->u4_num_Bytes; |
| ps_codec->pu1_inp_bitsbuf = (UWORD8 *)ps_dec_ip->pv_stream_buffer; |
| ps_codec->s_parse.i4_end_of_frame = 0; |
| |
| ps_codec->i4_pic_present = 0; |
| ps_codec->i4_slice_error = 0; |
| ps_codec->ps_disp_buf = NULL; |
| |
| if(ps_codec->i4_num_cores > 1) |
| { |
| ithread_set_affinity(0); |
| } |
| while(MIN_START_CODE_LEN < ps_codec->i4_bytes_remaining) |
| { |
| WORD32 nal_len; |
| WORD32 nal_ofst; |
| WORD32 bits_len; |
| |
| if(ps_codec->i4_slice_error) |
| { |
| slice_header_t *ps_slice_hdr_next = ps_codec->s_parse.ps_slice_hdr_base + (ps_codec->s_parse.i4_cur_slice_idx & (MAX_SLICE_HDR_CNT - 1)); |
| WORD32 next_slice_addr = ps_slice_hdr_next->i2_ctb_x + |
| ps_slice_hdr_next->i2_ctb_y * ps_codec->s_parse.ps_sps->i2_pic_wd_in_ctb; |
| if(ps_codec->s_parse.i4_next_ctb_indx == next_slice_addr) |
| ps_codec->i4_slice_error = 0; |
| } |
| |
| if(ps_codec->pu1_bitsbuf_dynamic) |
| { |
| ps_codec->pu1_bitsbuf = ps_codec->pu1_bitsbuf_dynamic; |
| ps_codec->u4_bitsbuf_size = ps_codec->u4_bitsbuf_size_dynamic; |
| } |
| else |
| { |
| ps_codec->pu1_bitsbuf = ps_codec->pu1_bitsbuf_static; |
| ps_codec->u4_bitsbuf_size = ps_codec->u4_bitsbuf_size_static; |
| } |
| |
| nal_ofst = ihevcd_nal_search_start_code(ps_codec->pu1_inp_bitsbuf, |
| ps_codec->i4_bytes_remaining); |
| |
| ps_codec->i4_nal_ofst = nal_ofst; |
| { |
| WORD32 bytes_remaining = ps_codec->i4_bytes_remaining - nal_ofst; |
| |
| bytes_remaining = MIN((UWORD32)bytes_remaining, ps_codec->u4_bitsbuf_size); |
| ihevcd_nal_remv_emuln_bytes(ps_codec->pu1_inp_bitsbuf + nal_ofst, |
| ps_codec->pu1_bitsbuf, |
| bytes_remaining, |
| &nal_len, &bits_len); |
| |
| /* Decoder may read upto 8 extra bytes at the end of frame */ |
| /* These are not used, but still set them to zero to avoid uninitialized reads */ |
| if(bits_len < (WORD32)(ps_codec->u4_bitsbuf_size - 8)) |
| { |
| memset(ps_codec->pu1_bitsbuf + bits_len, 0, 2 * sizeof(UWORD32)); |
| } |
| } |
| /* This may be used to update the offsets for tiles and entropy sync row offsets */ |
| ps_codec->i4_num_emln_bytes = nal_len - bits_len; |
| ps_codec->i4_nal_len = nal_len; |
| |
| ihevcd_bits_init(&ps_codec->s_parse.s_bitstrm, ps_codec->pu1_bitsbuf, |
| bits_len); |
| |
| ret = ihevcd_nal_unit(ps_codec); |
| |
| /* If the frame is incomplete and |
| * the bytes remaining is zero or a header is received, |
| * complete the frame treating it to be in error */ |
| if(ps_codec->i4_pic_present && |
| (ps_codec->s_parse.i4_next_ctb_indx != ps_codec->s_parse.ps_sps->i4_pic_size_in_ctb)) |
| { |
| if((ps_codec->i4_bytes_remaining - (nal_len + nal_ofst) <= MIN_START_CODE_LEN) || |
| (ps_codec->i4_header_in_slice_mode)) |
| { |
| slice_header_t *ps_slice_hdr_next; |
| |
| ps_codec->s_parse.i4_cur_slice_idx--; |
| if(ps_codec->s_parse.i4_cur_slice_idx < 0) |
| ps_codec->s_parse.i4_cur_slice_idx = 0; |
| |
| ps_slice_hdr_next = ps_codec->s_parse.ps_slice_hdr_base + ((ps_codec->s_parse.i4_cur_slice_idx + 1) & (MAX_SLICE_HDR_CNT - 1)); |
| ps_slice_hdr_next->i2_ctb_x = 0; |
| ps_slice_hdr_next->i2_ctb_y = ps_codec->s_parse.ps_sps->i2_pic_ht_in_ctb; |
| ps_codec->i4_slice_error = 1; |
| continue; |
| } |
| } |
| |
| if(IHEVCD_IGNORE_SLICE == ret) |
| { |
| ps_codec->s_parse.i4_cur_slice_idx = MAX(0, (ps_codec->s_parse.i4_cur_slice_idx - 1)); |
| ps_codec->pu1_inp_bitsbuf += (nal_ofst + nal_len); |
| ps_codec->i4_bytes_remaining -= (nal_ofst + nal_len); |
| |
| continue; |
| } |
| |
| if((IVD_RES_CHANGED == ret) || |
| (IHEVCD_UNSUPPORTED_DIMENSIONS == ret)) |
| { |
| break; |
| } |
| |
| /* Update bytes remaining and bytes consumed and input bitstream pointer */ |
| /* Do not consume the NAL in the following cases */ |
| /* Slice header reached during header decode mode */ |
| /* TODO: Next picture's slice reached */ |
| if(ret != IHEVCD_SLICE_IN_HEADER_MODE) |
| { |
| if((0 == ps_codec->i4_slice_error) || |
| (ps_codec->i4_bytes_remaining - (nal_len + nal_ofst) <= MIN_START_CODE_LEN)) |
| { |
| ps_codec->pu1_inp_bitsbuf += (nal_ofst + nal_len); |
| ps_codec->i4_bytes_remaining -= (nal_ofst + nal_len); |
| } |
| if(ret != IHEVCD_SUCCESS) |
| break; |
| |
| if(ps_codec->s_parse.i4_end_of_frame) |
| break; |
| } |
| else |
| { |
| ret = IHEVCD_SUCCESS; |
| break; |
| } |
| |
| /* Allocate dynamic bitstream buffer once SPS is decoded */ |
| if((ps_codec->u4_allocate_dynamic_done == 0) && ps_codec->i4_sps_done) |
| { |
| WORD32 ret; |
| ret = ihevcd_allocate_dynamic_bufs(ps_codec); |
| if(ret != IV_SUCCESS) |
| { |
| /* Free any dynamic buffers that are allocated */ |
| ihevcd_free_dynamic_bufs(ps_codec); |
| ps_codec->i4_error_code = IVD_MEM_ALLOC_FAILED; |
| ps_dec_op->u4_error_code |= 1 << IVD_FATALERROR; |
| ps_dec_op->u4_error_code |= IVD_MEM_ALLOC_FAILED; |
| |
| return IV_FAIL; |
| } |
| } |
| |
| BREAK_AFTER_SLICE_NAL(); |
| } |
| |
| if((ps_codec->u4_pic_cnt == 0) && (ret != IHEVCD_SUCCESS)) |
| { |
| ps_codec->i4_error_code = ret; |
| |
| ihevcd_fill_outargs(ps_codec, ps_dec_ip, ps_dec_op); |
| return IV_FAIL; |
| } |
| |
| if(1 == ps_codec->i4_pic_present) |
| { |
| WORD32 i; |
| sps_t *ps_sps = ps_codec->s_parse.ps_sps; |
| ps_codec->i4_first_pic_done = 1; |
| |
| /*TODO temporary fix: end_of_frame is checked before adding format conversion to job queue */ |
| if(ps_codec->i4_num_cores > 1 && ps_codec->s_parse.i4_end_of_frame) |
| { |
| |
| /* Add job queue for format conversion / frame copy for each ctb row */ |
| /* Only if the codec is in non-shared mode or in shared mode but needs 420P output */ |
| 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((ps_codec->ps_disp_buf) && |
| ((0 == ps_codec->i4_share_disp_buf) || (IV_YUV_420P == ps_codec->e_chroma_fmt))) |
| { |
| /* If format conversion jobs were not issued in pic_init() add them here */ |
| if((0 == ps_codec->u4_enable_fmt_conv_ahead) || |
| (ps_codec->i4_disp_buf_id == ps_proc->i4_cur_pic_buf_id)) |
| 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 (WORD32)ret; |
| } |
| } |
| /* Reached end of frame : Signal terminate */ |
| /* The terminate flag is checked only after all the jobs are dequeued */ |
| ret = ihevcd_jobq_terminate((jobq_t *)ps_codec->s_parse.pv_proc_jobq); |
| |
| while(1) |
| { |
| IHEVCD_ERROR_T ret; |
| proc_job_t s_job; |
| 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]; |
| |
| ret = ihevcd_jobq_dequeue((jobq_t *)ps_proc->pv_proc_jobq, &s_job, |
| sizeof(proc_job_t), 1); |
| if((IHEVCD_ERROR_T)IHEVCD_SUCCESS != ret) |
| break; |
| |
| ps_proc->i4_ctb_cnt = s_job.i2_ctb_cnt; |
| ps_proc->i4_ctb_x = s_job.i2_ctb_x; |
| ps_proc->i4_ctb_y = s_job.i2_ctb_y; |
| ps_proc->i4_cur_slice_idx = s_job.i2_slice_idx; |
| |
| if(CMD_PROCESS == s_job.i4_cmd) |
| { |
| ihevcd_init_proc_ctxt(ps_proc, s_job.i4_tu_coeff_data_ofst); |
| |
| ihevcd_process(ps_proc); |
| } |
| else if(CMD_FMTCONV == s_job.i4_cmd) |
| { |
| sps_t *ps_sps = ps_codec->s_parse.ps_sps; |
| WORD32 num_rows = 1 << ps_sps->i1_log2_ctb_size; |
| if(0 == ps_proc->i4_init_done) |
| { |
| ihevcd_init_proc_ctxt(ps_proc, 0); |
| } |
| |
| num_rows = MIN(num_rows, (ps_codec->i4_disp_ht - (s_job.i2_ctb_y << ps_sps->i1_log2_ctb_size))); |
| if(num_rows < 0) |
| num_rows = 0; |
| |
| ihevcd_fmt_conv(ps_codec, ps_proc, |
| ps_dec_ip->s_out_buffer.pu1_bufs[0], |
| ps_dec_ip->s_out_buffer.pu1_bufs[1], |
| ps_dec_ip->s_out_buffer.pu1_bufs[2], |
| s_job.i2_ctb_y << ps_sps->i1_log2_ctb_size, |
| num_rows); |
| } |
| } |
| } |
| /* In case of non-shared mode and while running in single core mode, then convert/copy the frame to output buffer */ |
| /* Only if the codec is in non-shared mode or in shared mode but needs 420P output */ |
| else if((ps_codec->ps_disp_buf) && ((0 == ps_codec->i4_share_disp_buf) || |
| (IV_YUV_420P == ps_codec->e_chroma_fmt)) && |
| (ps_codec->s_parse.i4_end_of_frame)) |
| { |
| process_ctxt_t *ps_proc = &ps_codec->as_process[proc_idx]; |
| /* Set remaining number of rows to be processed */ |
| ps_codec->s_fmt_conv.i4_num_rows = ps_codec->i4_disp_ht |
| - ps_codec->s_fmt_conv.i4_cur_row; |
| if(0 == ps_proc->i4_init_done) |
| { |
| ihevcd_init_proc_ctxt(ps_proc, 0); |
| } |
| |
| if(ps_codec->s_fmt_conv.i4_num_rows < 0) |
| ps_codec->s_fmt_conv.i4_num_rows = 0; |
| |
| ret = ihevcd_fmt_conv(ps_codec, ps_proc, |
| ps_dec_ip->s_out_buffer.pu1_bufs[0], |
| ps_dec_ip->s_out_buffer.pu1_bufs[1], |
| ps_dec_ip->s_out_buffer.pu1_bufs[2], |
| ps_codec->s_fmt_conv.i4_cur_row, |
| ps_codec->s_fmt_conv.i4_num_rows); |
| ps_codec->s_fmt_conv.i4_cur_row += ps_codec->s_fmt_conv.i4_num_rows; |
| |
| } |
| |
| |
| DEBUG_DUMP_MV_MAP(ps_codec); |
| |
| /* Mark MV Buf as needed for reference */ |
| ihevc_buf_mgr_set_status((buf_mgr_t *)ps_codec->pv_mv_buf_mgr, |
| ps_codec->as_process[proc_idx].i4_cur_mv_bank_buf_id, |
| BUF_MGR_REF); |
| |
| /* Mark pic buf as needed for reference */ |
| ihevc_buf_mgr_set_status((buf_mgr_t *)ps_codec->pv_pic_buf_mgr, |
| ps_codec->as_process[proc_idx].i4_cur_pic_buf_id, |
| BUF_MGR_REF); |
| |
| /* Mark pic buf as needed for display */ |
| ihevc_buf_mgr_set_status((buf_mgr_t *)ps_codec->pv_pic_buf_mgr, |
| ps_codec->as_process[proc_idx].i4_cur_pic_buf_id, |
| BUF_MGR_DISP); |
| |
| /* Insert the current picture as short term reference */ |
| ihevc_dpb_mgr_insert_ref((dpb_mgr_t *)ps_codec->pv_dpb_mgr, |
| ps_codec->as_process[proc_idx].ps_cur_pic, |
| ps_codec->as_process[proc_idx].i4_cur_pic_buf_id); |
| |
| /* If a frame was displayed (in non-shared mode), then release it from display manager */ |
| if((0 == ps_codec->i4_share_disp_buf) && (ps_codec->ps_disp_buf)) |
| ihevc_buf_mgr_release((buf_mgr_t *)ps_codec->pv_pic_buf_mgr, |
| ps_codec->i4_disp_buf_id, BUF_MGR_DISP); |
| |
| /* Wait for threads */ |
| for(i = 0; i < (ps_codec->i4_num_cores - 1); i++) |
| { |
| if(ps_codec->ai4_process_thread_created[i]) |
| { |
| ithread_join(ps_codec->apv_process_thread_handle[i], NULL); |
| ps_codec->ai4_process_thread_created[i] = 0; |
| } |
| } |
| |
| DEBUG_VALIDATE_PADDED_REGION(&ps_codec->as_process[proc_idx]); |
| if(ps_codec->u4_pic_cnt > 0) |
| { |
| DEBUG_DUMP_PIC_PU(ps_codec); |
| } |
| DEBUG_DUMP_PIC_BUFFERS(ps_codec); |
| |
| /* Increment the number of pictures decoded */ |
| ps_codec->u4_pic_cnt++; |
| } |
| ihevcd_fill_outargs(ps_codec, ps_dec_ip, ps_dec_op); |
| |
| if(1 == ps_dec_op->u4_output_present) |
| { |
| WORD32 xpos = ps_codec->i4_disp_wd - 32 - LOGO_WD; |
| WORD32 ypos = ps_codec->i4_disp_ht - 32 - LOGO_HT; |
| |
| if(ypos < 0) |
| ypos = 0; |
| |
| if(xpos < 0) |
| xpos = 0; |
| |
| INSERT_LOGO(ps_dec_ip->s_out_buffer.pu1_bufs[0], |
| ps_dec_ip->s_out_buffer.pu1_bufs[1], |
| ps_dec_ip->s_out_buffer.pu1_bufs[2], ps_codec->i4_disp_strd, |
| xpos, |
| ypos, |
| ps_codec->e_chroma_fmt, |
| ps_codec->i4_disp_wd, |
| ps_codec->i4_disp_ht); |
| } |
| |
| |
| return ret; |
| } |
| |
