xref: /aosp_15_r20/external/libavc/examples/svcenc/output.c (revision 495ae853bb871d1e5a258cb02c2cc13cde8ddb9a)

/******************************************************************************
 *
 * Copyright (C) 2022 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
 */

#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
#include <string.h>

#include "ih264_typedefs.h"
#include "iv2.h"
#include "ive2.h"
#include "isvce.h"
#include "app.h"

/*****************************************************************************/
/* Constant Macros                                                           */
/*****************************************************************************/
#define PEAK_WINDOW_SIZE 8
/*****************************************************************************/
/*  Macros                                                                   */
/*****************************************************************************/
/*****************************************************************************/
/*  Function Declarations                                                    */
/*****************************************************************************/
IV_STATUS_T write_output(FILE *fp, UWORD8 *pu1_buf, WORD32 num_bytes)
{
    WORD32 bytes;

    bytes = (WORD32) fwrite(pu1_buf, sizeof(UWORD8), num_bytes, fp);
    if(bytes != num_bytes) return IV_FAIL;
    fflush(fp);

    return IV_SUCCESS;
}

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(ps_app_ctxt->as_output_buf));

    for(i = 0; i < num_bufs; i++)
    {
        pu1_buf = (UWORD8 *) isvca_aligned_malloc(16, buf_size);
        if(NULL == pu1_buf)
        {
            CHAR ac_error[2 * STRLENGTH];
            snprintf(ac_error, sizeof(ac_error) - 1,
                     "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;
    }
}

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++)
    {
        isvca_aligned_free(ps_app_ctxt->as_output_buf[i].pu1_buf);
    }
}