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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
* output.c
*
* @brief
* Contains functions necessary for managing output 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 */
/*****************************************************************************/
#define PEAK_WINDOW_SIZE 8
/*****************************************************************************/
/* Macros */
/*****************************************************************************/
/*****************************************************************************/
/* Function Definitions */
/*****************************************************************************/
/**
**************************************************************************
* @brief Write bitstream buffers to a file
**************************************************************************
*/
IV_STATUS_T write_output(FILE *fp, UWORD8 *pu1_buf, WORD32 num_bytes)
{
WORD32 bytes;
bytes = fwrite(pu1_buf, sizeof(UWORD8), num_bytes, fp);
if(bytes != num_bytes)
return IV_FAIL;
fflush(fp);
return IV_SUCCESS;
}
/**
**************************************************************************
* @brief allocate bitstream buffers
**************************************************************************
*/
void allocate_output(app_ctxt_t *ps_app_ctxt)
{
WORD32 num_bufs;
WORD32 i;
UWORD8 *pu1_buf;
WORD32 buf_size;
num_bufs = MAX(DEFAULT_NUM_OUTPUT_BUFS,
ps_app_ctxt->s_get_buf_info_op.s_ive_op.u4_min_out_bufs);
num_bufs = MIN(DEFAULT_MAX_OUTPUT_BUFS, num_bufs);
buf_size = ps_app_ctxt->s_get_buf_info_op.s_ive_op.au4_min_out_buf_size[0];
/* Memset the output buffer array to set is_free to 0 */
memset(ps_app_ctxt->as_output_buf, 0,
sizeof(output_buf_t) * DEFAULT_MAX_OUTPUT_BUFS);
for(i = 0; i < num_bufs; i++)
{
pu1_buf = (UWORD8 *)ih264a_aligned_malloc(16, buf_size);
if(NULL == pu1_buf)
{
CHAR ac_error[STRLENGTH];
sprintf(ac_error,
"Allocation failed for output buffer of size %d\n",
buf_size);
codec_exit(ac_error);
}
ps_app_ctxt->as_output_buf[i].pu1_buf = pu1_buf;
ps_app_ctxt->as_output_buf[i].u4_buf_size = buf_size;
ps_app_ctxt->as_output_buf[i].u4_is_free = 1;
}
}
/**
**************************************************************************
* @brief free bitstream buffers
**************************************************************************
*/
void free_output(app_ctxt_t *ps_app_ctxt)
{
WORD32 num_bufs;
WORD32 i;
num_bufs = MAX(DEFAULT_NUM_OUTPUT_BUFS,
ps_app_ctxt->s_get_buf_info_op.s_ive_op.u4_min_out_bufs);
num_bufs = MIN(DEFAULT_MAX_OUTPUT_BUFS, num_bufs);
for(i = 0; i < num_bufs; i++)
{
ih264a_aligned_free(ps_app_ctxt->as_output_buf[i].pu1_buf);
}
}
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