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/******************************************************************************
*
* Copyright (C) 2015 The Android Open Source Project
*
* 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.
*
*****************************************************************************
* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
*/
/**
*******************************************************************************
* @file
* recon.c
*
* @brief
* Contains functions necessary for managing recon buffers
*
* @author
* ittiam
*
* @remarks
* none
*
*******************************************************************************
*/
/*****************************************************************************/
/* File Includes */
/*****************************************************************************/
/* System include files */
#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
#include <string.h>
/* User include files */
#include "ih264_typedefs.h"
#include "iv2.h"
#include "ive2.h"
#include "ih264e.h"
#include "app.h"
/*****************************************************************************/
/* Constant Macros */
/*****************************************************************************/
/*****************************************************************************/
/* Macros */
/*****************************************************************************/
/*****************************************************************************/
/* Function Definitions */
/*****************************************************************************/
/**
**************************************************************************
* @brief Write recon buffers to a file
**************************************************************************
*/
IV_STATUS_T write_recon(FILE *fp, iv_raw_buf_t *ps_raw_buf)
{
WORD32 num_comp = 2;
WORD32 comp_idx;
if(IV_YUV_420P == ps_raw_buf->e_color_fmt)
num_comp = 3;
for(comp_idx = 0; comp_idx < num_comp; comp_idx++)
{
WORD32 wd = ps_raw_buf->au4_wd[comp_idx];
WORD32 ht = ps_raw_buf->au4_ht[comp_idx];
UWORD8 *pu1_buf = ps_raw_buf->apv_bufs[comp_idx];
WORD32 i;
for(i = 0; i < ht; i++)
{
WORD32 bytes = fwrite(pu1_buf, sizeof(UWORD8), wd, fp);
if(bytes != wd)
{
return (IV_FAIL);
}
pu1_buf += wd;
}
}
fflush(fp);
return IV_SUCCESS;
}
/**
**************************************************************************
* @brief Allocate space for recon buffers
**************************************************************************
*/
void allocate_recon(app_ctxt_t *ps_app_ctxt)
{
WORD32 num_bufs = DEFAULT_NUM_RECON_BUFS;
/* Size of buffer for YUV420 */
WORD32 luma_size = ps_app_ctxt->u4_max_wd * ps_app_ctxt->u4_max_ht;
WORD32 chroma_size = (luma_size) / 4;
WORD32 pic_size = luma_size + chroma_size * 2;
WORD32 i;
for(i = 0; i < num_bufs; i++)
{
UWORD8 *pu1_buf = (UWORD8 *)ih264a_aligned_malloc(16, pic_size);
if(NULL == pu1_buf)
{
CHAR ac_error[STRLENGTH];
sprintf(ac_error, "Allocation failed for recon buffer of size %d\n",
pic_size);
codec_exit(ac_error);
}
ps_app_ctxt->as_recon_buf[i].pu1_buf = pu1_buf;
ps_app_ctxt->as_recon_buf[i].u4_buf_size = pic_size;
ps_app_ctxt->as_recon_buf[i].u4_is_free = 1;
}
if(ps_app_ctxt->u4_psnr_enable)
{
UWORD8 *pu1_buf = (UWORD8 *)ih264a_aligned_malloc(16, pic_size);
if(NULL == pu1_buf)
{
CHAR ac_error[STRLENGTH];
sprintf(ac_error, "Allocation failed for recon buffer of size %d\n",
pic_size);
codec_exit(ac_error);
}
ps_app_ctxt->pu1_psnr_buf = pu1_buf;
ps_app_ctxt->u4_psnr_buf_size = pic_size;
}
}
/**
**************************************************************************
* @brief free recon buffers
**************************************************************************
*/
void free_recon(app_ctxt_t *ps_app_ctxt)
{
WORD32 num_bufs = DEFAULT_NUM_RECON_BUFS;
WORD32 i;
for(i = 0; i < num_bufs; i++)
{
ih264a_aligned_free(ps_app_ctxt->as_recon_buf[i].pu1_buf);
}
if(ps_app_ctxt->u4_psnr_enable)
{
ih264a_aligned_free(ps_app_ctxt->pu1_psnr_buf);
}
}
/**
**************************************************************************
* @brief initialize raw buffer descriptor
* All the pointers and dimensions are initialized here to support change in
* resolution from the application
**************************************************************************
*/
void init_raw_buf_descr(app_ctxt_t *ps_app_ctxt,
iv_raw_buf_t *ps_raw_buf,
UWORD8 *pu1_buf,
IV_COLOR_FORMAT_T e_color_fmt)
{
WORD32 luma_size = ps_app_ctxt->u4_max_wd * ps_app_ctxt->u4_max_ht;
WORD32 chroma_size = (luma_size) / 4;
ps_raw_buf->u4_size = sizeof(iv_raw_buf_t);
ps_raw_buf->e_color_fmt = e_color_fmt;
ps_raw_buf->apv_bufs[0] = pu1_buf;
pu1_buf += luma_size;
ps_raw_buf->apv_bufs[1] = pu1_buf;
pu1_buf += chroma_size;
ps_raw_buf->apv_bufs[2] = NULL;
if(IV_YUV_420P == e_color_fmt)
{
ps_raw_buf->apv_bufs[2] = pu1_buf;
}
ps_raw_buf->au4_wd[0] = ps_app_ctxt->u4_wd;
ps_raw_buf->au4_ht[0] = ps_app_ctxt->u4_ht;
ps_raw_buf->au4_strd[0] = ps_app_ctxt->u4_wd;
/* Initialize for 420SP */
{
ps_raw_buf->au4_wd[1] = ps_app_ctxt->u4_wd;
ps_raw_buf->au4_wd[2] = 0;
ps_raw_buf->au4_ht[1] = ps_app_ctxt->u4_ht / 2;
ps_raw_buf->au4_ht[2] = 0;
ps_raw_buf->au4_strd[1] = ps_app_ctxt->u4_wd;
ps_raw_buf->au4_strd[2] = 0;
}
if(IV_YUV_420P == e_color_fmt)
{
ps_raw_buf->au4_wd[1] = ps_app_ctxt->u4_wd / 2;
ps_raw_buf->au4_wd[2] = ps_app_ctxt->u4_wd / 2;
ps_raw_buf->au4_ht[1] = ps_app_ctxt->u4_ht / 2;
ps_raw_buf->au4_ht[2] = ps_app_ctxt->u4_ht / 2;
ps_raw_buf->au4_strd[1] = ps_app_ctxt->u4_wd / 2;
ps_raw_buf->au4_strd[2] = ps_app_ctxt->u4_wd / 2;
}
/* If stride is not initialized, then use width as stride */
if(0 == ps_raw_buf->au4_strd[0])
{
ps_raw_buf->au4_strd[0] = ps_raw_buf->au4_wd[0];
ps_raw_buf->au4_strd[1] = ps_raw_buf->au4_wd[1];
ps_raw_buf->au4_strd[2] = ps_raw_buf->au4_wd[2];
}
}
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