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 26 void 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 35 void 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 50 void 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
