ihevcd_decode.c 29.7 KB
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/******************************************************************************
*
* 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 3600
#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);
/*****************************************************************************/
/* 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;
    }
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    else if(ps_codec->i4_error_code == IHEVCD_UNSUPPORTED_DIMENSIONS)
    {
        ps_dec_op->u4_pic_wd = ps_codec->i4_new_max_wd;
        ps_dec_op->u4_pic_ht = ps_codec->i4_new_max_ht;
    }
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    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
            {
                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_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;

    memset(ps_dec_op, 0, sizeof(ivd_video_decode_op_t));
    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;
        }

        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;

560
            bytes_remaining = MIN((UWORD32)bytes_remaining, ps_codec->u4_bitsbuf_size);
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            ihevcd_nal_remv_emuln_bytes(ps_codec->pu1_inp_bitsbuf + nal_ofst,
                                        ps_codec->pu1_bitsbuf,
                                        bytes_remaining,
                                        &nal_len, &bits_len);
        }
        /* 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->pu1_inp_bitsbuf += (nal_ofst + nal_len);
            ps_codec->i4_bytes_remaining -= (nal_ofst + nal_len);

            continue;
        }

606 607
        if(((IHEVCD_FAIL == ret) && (ps_codec->i4_error_code == IVD_RES_CHANGED)) ||
           (IHEVCD_UNSUPPORTED_DIMENSIONS == ret))
608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839
        {
            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;
        }

        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;
}