1/*
2 ** Copyright 2003-2010, VisualOn, Inc.
3 **
4 ** Licensed under the Apache License, Version 2.0 (the "License");
5 ** you may not use this file except in compliance with the License.
6 ** You may obtain a copy of the License at
7 **
8 **     http://www.apache.org/licenses/LICENSE-2.0
9 **
10 ** Unless required by applicable law or agreed to in writing, software
11 ** distributed under the License is distributed on an "AS IS" BASIS,
12 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 ** See the License for the specific language governing permissions and
14 ** limitations under the License.
15 */
16
17/***********************************************************************
18*       File: stream.c                                                 *
19*                                                                      *
20*       Description: VOME API Buffer Operator Implement Code           *
21*                                                                      *
22************************************************************************/
23
24#include "stream.h"
25
26void voAWB_InitFrameBuffer(FrameStream *stream)
27{
28    stream->set_ptr = NULL;
29    stream->frame_ptr_bk = stream->frame_ptr;
30    stream->set_len = 0;
31    stream->framebuffer_len = 0;
32    stream->frame_storelen = 0;
33}
34
35void voAWB_UpdateFrameBuffer(
36        FrameStream *stream,
37        VO_MEM_OPERATOR *pMemOP
38        )
39{
40    int  len;
41    len  = MIN(Frame_Maxsize - stream->frame_storelen, stream->set_len);
42    pMemOP->Copy(VO_INDEX_ENC_AMRWB, stream->frame_ptr_bk + stream->frame_storelen , stream->set_ptr, len);
43    stream->set_len -= len;
44    stream->set_ptr += len;
45    stream->framebuffer_len = stream->frame_storelen + len;
46    stream->frame_ptr = stream->frame_ptr_bk;
47    stream->used_len += len;
48}
49
50void voAWB_FlushFrameBuffer(FrameStream *stream)
51{
52    stream->set_ptr = NULL;
53    stream->frame_ptr_bk = stream->frame_ptr;
54    stream->set_len = 0;
55    stream->framebuffer_len = 0;
56    stream->frame_storelen = 0;
57}
58
59