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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];
+ }
+}
+