| /*-------------------------------------------------------------------------- |
| Copyright (c) 2010, Code Aurora Forum. All rights reserved. |
| |
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the following conditions are met: |
| * Redistributions of source code must retain the above copyright |
| notice, this list of conditions and the following disclaimer. |
| * Redistributions in binary form must reproduce the above copyright |
| notice, this list of conditions and the following disclaimer in the |
| documentation and/or other materials provided with the distribution. |
| * Neither the name of Code Aurora nor |
| the names of its contributors may be used to endorse or promote |
| products derived from this software without specific prior written |
| permission. |
| |
| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| --------------------------------------------------------------------------*/ |
| |
| /*======================================================================== |
| Include Files |
| ==========================================================================*/ |
| #include "venc_file.h" |
| #include "venc_debug.h" |
| #include <stdio.h> |
| |
| ///////////////////////////////////////////////////////////////////////////// |
| ///////////////////////////////////////////////////////////////////////////// |
| int venc_file_open(void** handle, |
| char* filename, |
| int readonly) |
| { |
| int result = 0; |
| FILE* f = NULL; |
| |
| if (handle != NULL && filename != NULL && (readonly == 0 || readonly == 1)) |
| { |
| if (readonly == 1) |
| { |
| f = fopen(filename, "rb"); |
| } |
| else |
| { |
| f = fopen(filename, "wb"); |
| } |
| |
| if (f == NULL) |
| { |
| VENC_MSG_ERROR("Unable to open file"); |
| result = 1; |
| } |
| |
| *handle = f; |
| } |
| else |
| { |
| VENC_MSG_ERROR("bad param"); |
| result = 1; |
| } |
| return result; |
| } |
| |
| ///////////////////////////////////////////////////////////////////////////// |
| ///////////////////////////////////////////////////////////////////////////// |
| int venc_file_close(void* handle) |
| { |
| int result = 0; |
| |
| if (handle != NULL) |
| { |
| fclose((FILE*) handle); |
| } |
| else |
| { |
| VENC_MSG_ERROR("handle is null"); |
| result = 1; |
| } |
| return result; |
| } |
| |
| ///////////////////////////////////////////////////////////////////////////// |
| ///////////////////////////////////////////////////////////////////////////// |
| int venc_file_read(void* handle, |
| void* buffer, |
| int bytes) |
| { |
| int result = 0; |
| |
| if (buffer != NULL) |
| { |
| if (bytes > 0) |
| { |
| result = (int) fread(buffer, 1, bytes, (FILE*) handle); |
| } |
| else |
| { |
| VENC_MSG_ERROR("Bytes must be > 0"); |
| result = -1; |
| } |
| } |
| else |
| { |
| VENC_MSG_ERROR("Null param"); |
| result = -1; |
| } |
| |
| return result; |
| } |
| |
| ///////////////////////////////////////////////////////////////////////////// |
| ///////////////////////////////////////////////////////////////////////////// |
| int venc_file_write(void* handle, |
| void* buffer, |
| int bytes) |
| { |
| int result = 0; |
| |
| if (buffer != NULL) |
| { |
| if (bytes > 0) |
| { |
| result = (int) fwrite(buffer, 1, bytes, (FILE*) handle); |
| /* fflush((FILE *)handle); */ |
| } |
| else |
| { |
| VENC_MSG_ERROR("Bytes must be > 0"); |
| result = -1; |
| } |
| } |
| else |
| { |
| VENC_MSG_ERROR("Null param"); |
| result = -1; |
| } |
| |
| return result; |
| } |
| |
| ///////////////////////////////////////////////////////////////////////////// |
| ///////////////////////////////////////////////////////////////////////////// |
| int venc_file_seek_start(void* handle, |
| int bytes) |
| { |
| int result = 0; |
| |
| if (bytes >= 0) |
| { |
| if (fseek((FILE*) handle, bytes, SEEK_SET) != 0) |
| { |
| VENC_MSG_ERROR("failed to seek"); |
| result = 1; |
| } |
| } |
| |
| return result; |
| } |