diff options
Diffstat (limited to 'libvideoeditor/osal/src/M4OSA_FileWriter.c')
| -rwxr-xr-x | libvideoeditor/osal/src/M4OSA_FileWriter.c | 577 |
1 files changed, 577 insertions, 0 deletions
diff --git a/libvideoeditor/osal/src/M4OSA_FileWriter.c b/libvideoeditor/osal/src/M4OSA_FileWriter.c new file mode 100755 index 0000000..1fc73dc --- /dev/null +++ b/libvideoeditor/osal/src/M4OSA_FileWriter.c @@ -0,0 +1,577 @@ +/* + * Copyright (C) 2004-2011 NXP Software + * Copyright (C) 2011 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. + */ +/** + ************************************************************************ + * @file M4OSA_FileWriter.c + * @brief File writer for Android + * @note This file implements functions to write in a file. + ************************************************************************ +*/ + +#include "M4OSA_Debug.h" +#include "M4OSA_FileCommon_priv.h" +#include "M4OSA_FileWriter.h" +#include "M4OSA_FileWriter_priv.h" +#include "M4OSA_Memory.h" + +#ifdef M4OSA_FILE_BLOCK_WITH_SEMAPHORE +#include "M4OSA_Semaphore.h" +#endif /* M4OSA_FILE_BLOCK_WITH_SEMAPHORE */ + +/** + ************************************************************************ + * @brief This function opens the provided URL and returns its context. + * If an error occured, the context is set to NULL. + * @param pContext: (OUT) Context of the core file writer + * @param pUrl: (IN) URL of the input file + * @param fileModeAccess: (IN) File mode access + * @return M4NO_ERROR: there is no error + * @return M4ERR_PARAMETER: at least one parameter is NULL + * @return M4ERR_ALLOC: there is no more memory available + * @return M4ERR_NOT_IMPLEMENTED: the URL does not match with the supported + * file + * @return M4ERR_FILE_NOT_FOUND: the file cannot be found + * @return M4ERR_FILE_LOCKED: the file is locked by an other + * application/process + * @return M4ERR_FILE_BAD_MODE_ACCESS: the file mode access is not correct + ************************************************************************ +*/ +M4OSA_ERR M4OSA_fileWriteOpen(M4OSA_Context* pContext, M4OSA_Void* pUrl, + M4OSA_UInt32 fileModeAccess) +{ + M4OSA_TRACE1_3("M4OSA_fileWriteOpen : pC = 0x%p fd = 0x%p mode = %d", + pContext, pUrl, fileModeAccess); + + return M4OSA_fileCommonOpen(M4OSA_FILE_WRITER, pContext, pUrl, + fileModeAccess); +} + + +/** + ************************************************************************ + * @brief This function writes the 'size' bytes stored at 'data' memory + * in the file selected by its context. + * @note The caller is responsible for allocating/de-allocating the + * memory for 'data' parameter. + * @note Moreover the data pointer must be allocated to store at least + * 'size' bytes. + * @param pContext: (IN/OUT) Context of the core file reader + * @param buffer: (IN) Data pointer of the write data + * @param size: (IN) Size of the data to write (in bytes) + * @return M4NO_ERROR: there is no error + * @return M4ERR_PARAMETER: at least one parameter is NULL + * @return M4ERR_BAD_CONTEXT: provided context is not a valid one + * @return M4ERR_ALLOC: there is no more memory available + ************************************************************************ +*/ +M4OSA_ERR M4OSA_fileWriteData(M4OSA_Context pContext, M4OSA_MemAddr8 data, + M4OSA_UInt32 uiSize) +{ + M4OSA_FileContext* pFileContext = pContext; + M4OSA_ERR err; + M4OSA_UInt32 uiSizeWrite; + + M4OSA_TRACE2_2("M4OSA_fileWriteData : data = 0x%p size = %lu", data, + uiSize); + + M4OSA_DEBUG_IF2(M4OSA_NULL == pContext, M4ERR_PARAMETER, + "M4OSA_fileWriteData: pContext is M4OSA_NULL"); + M4OSA_DEBUG_IF2(M4OSA_NULL == data, M4ERR_PARAMETER, + "M4OSA_fileWriteData: data is M4OSA_NULL"); + M4OSA_DEBUG_IF2(0 == uiSize, M4ERR_PARAMETER, + "M4OSA_fileWriteData: uiSize is 0"); +#ifdef M4OSA_FILE_BLOCK_WITH_SEMAPHORE + M4OSA_DEBUG_IF2(M4OSA_NULL == pFileContext->semaphore_context, + M4ERR_BAD_CONTEXT, + "M4OSA_fileWriteData: semaphore_context is M4OSA_NULL"); +#endif /* M4OSA_FILE_BLOCK_WITH_SEMAPHORE */ + + if (M4OSA_kDescRWAccess == pFileContext->m_DescrModeAccess) + { + M4OSA_UInt32 WriteSize; + err = M4NO_ERROR; + WriteSize = fwrite((void *)data,1, uiSize, pFileContext->file_desc); + if(WriteSize != uiSize) + { + /* converts the error to PSW format*/ + err = ((M4OSA_UInt32)(M4_ERR)<<30)+(((M4OSA_FILE_WRITER)&0x003FFF)<<16)+(M4OSA_Int16)(WriteSize); + M4OSA_TRACE1_1("M4OSA_FileWriteData error:%x",err); + } + fflush(pFileContext->file_desc); + + M4OSA_FPOS_ADD_CONST_UINT32(pFileContext->write_position, pFileContext->write_position, WriteSize); + + /* Update the file size */ + if(M4OSA_FPOS_COMPARE(pFileContext->write_position, pFileContext->file_size) > 0) + { + M4OSA_FPOS_SET(pFileContext->file_size, pFileContext->write_position); + } + return err; + } + +#ifdef M4OSA_FILE_BLOCK_WITH_SEMAPHORE + M4OSA_semaphoreWait(pFileContext->semaphore_context, M4OSA_WAIT_FOREVER); +#endif /* M4OSA_FILE_BLOCK_WITH_SEMAPHORE */ + + if(pFileContext->current_seek != SeekWrite) + { + /* fseek to the last read position */ + err = M4OSA_fileCommonSeek(pContext, M4OSA_kFileSeekBeginning, + &(pFileContext->write_position)); + + if(M4OSA_ERR_IS_ERROR(err)) + { +#ifdef M4OSA_FILE_BLOCK_WITH_SEMAPHORE + M4OSA_semaphorePost(pFileContext->semaphore_context); +#endif /* M4OSA_FILE_BLOCK_WITH_SEMAPHORE */ + M4OSA_DEBUG(err, "M4OSA_fileWriteData: M4OSA_fileCommonSeek"); + return err; + } + + pFileContext->current_seek = SeekWrite; + } + + /* Write data */ + uiSizeWrite = fwrite(data, sizeof(M4OSA_Char), uiSize, pFileContext->file_desc); + + if(uiSizeWrite == (M4OSA_UInt32)-1) + { +#ifdef M4OSA_FILE_BLOCK_WITH_SEMAPHORE + M4OSA_semaphorePost(pFileContext->semaphore_context); +#endif /* M4OSA_FILE_BLOCK_WITH_SEMAPHORE */ + + /* An error occured */ + + M4OSA_DEBUG(M4ERR_BAD_CONTEXT, "M4OSA_fileWriteData: fwrite failed"); + return M4ERR_BAD_CONTEXT; + } + + M4OSA_FPOS_ADD_CONST_UINT32(pFileContext->write_position, + pFileContext->write_position, + uiSizeWrite); + + /* Update the file size */ + if(M4OSA_FPOS_COMPARE(pFileContext->write_position, pFileContext->file_size) > 0) + { + M4OSA_FPOS_SET(pFileContext->file_size, pFileContext->write_position); + } + + if((M4OSA_UInt32)uiSizeWrite < uiSize) + { +#ifdef M4OSA_FILE_BLOCK_WITH_SEMAPHORE + M4OSA_semaphorePost(pFileContext->semaphore_context); +#endif /* M4OSA_FILE_BLOCK_WITH_SEMAPHORE */ + + M4OSA_DEBUG(M4ERR_ALLOC, "M4OSA_fileWriteData"); + return M4ERR_ALLOC; + } + +#ifdef M4OSA_FILE_BLOCK_WITH_SEMAPHORE + M4OSA_semaphorePost(pFileContext->semaphore_context); +#endif /* M4OSA_FILE_BLOCK_WITH_SEMAPHORE */ + + return M4NO_ERROR; +} + + +/** + ************************************************************************ + * @brief This function seeks at the provided position in the core file + * writer (selected by its 'context'). The position is related to + * the seekMode parameter it can be either from the beginning, + * from the end or from the current postion. To support large file + * access (more than 2GBytes), the position is provided on a 64 + * bits. + * @note If this function returns an error the current position pointer + * in the file must not change. Else the current position pointer + * must be updated. + * @param pContext: (IN/OUT) Context of the core file reader + * @param seekMode: (IN) Seek access mode + * @param position: (IN/OUT) Position in the file + * @return M4NO_ERROR: there is no error + * @return M4ERR_PARAMETER: at least one parameter is NULL + * @return M4ERR_BAD_CONTEXT: provided context is not a valid one + * @return M4ERR_ALLOC: there is no more memory available + * @return M4ERR_FILE_INVALID_POSITION: the position cannot be reached + ************************************************************************ + */ +M4OSA_ERR M4OSA_fileWriteSeek(M4OSA_Context pContext, M4OSA_FileSeekAccessMode seekMode, + M4OSA_FilePosition* pPosition) +{ + M4OSA_FileContext* pFileContext = (M4OSA_FileContext*)pContext; + M4OSA_ERR err; + + M4OSA_TRACE2_2("M4OSA_fileWriteSeek : mode = %d pos = %lu", + seekMode, (M4OSA_NULL != pPosition) ? (*pPosition) : 0); + + M4OSA_DEBUG_IF2(M4OSA_NULL == pContext, M4ERR_PARAMETER, + "M4OSA_fileWriteSeek: pContext is M4OSA_NULL"); + M4OSA_DEBUG_IF2(0 == seekMode, M4ERR_PARAMETER, + "M4OSA_fileWriteSeek: seemMode is 0"); + M4OSA_DEBUG_IF2(M4OSA_NULL == pPosition, M4ERR_PARAMETER, + "M4OSA_fileWriteSeek: pPosition is M4OSA_NULL"); +#ifdef M4OSA_FILE_BLOCK_WITH_SEMAPHORE + M4OSA_DEBUG_IF2(M4OSA_NULL == pFileContext->semaphore_context, M4ERR_BAD_CONTEXT, + "M4OSA_fileWriteSeek: semaphore_context is M4OSA_NULL"); +#endif /* M4OSA_FILE_BLOCK_WITH_SEMAPHORE */ + + if (M4OSA_kDescRWAccess == pFileContext->m_DescrModeAccess) /* read write */ + { + M4OSA_UInt32 SeekModeOption; + /*The position for the seek mode between the SHP and the OSAl part are different */ + if (M4OSA_kFileSeekBeginning == seekMode) + { + SeekModeOption = SEEK_SET; + } + else if (M4OSA_kFileSeekEnd == seekMode) + { + SeekModeOption = SEEK_END; + } + else if (M4OSA_kFileSeekCurrent == seekMode) + { + SeekModeOption = SEEK_CUR; + } + else + { + M4OSA_TRACE1_0("M4OSA_fileWriteSeek: END WITH ERROR !!! (CONVERION ERROR FOR THE SEEK MODE) "); + return M4ERR_PARAMETER; + } + + /** + * Go to the desired position */ + err = fseek(pFileContext->file_desc,*pPosition,SeekModeOption); + if(err != 0) + { + /* converts the error to PSW format*/ + err=((M4OSA_UInt32)(M4_ERR)<<30)+(((M4OSA_FILE_WRITER)&0x003FFF)<<16)+(M4OSA_Int16)(err); + M4OSA_TRACE1_1("M4OSA_FileWriteSeek error:%x",err); + } + else + { + return M4NO_ERROR; + } + + return err; + } + +#ifdef M4OSA_FILE_BLOCK_WITH_SEMAPHORE + M4OSA_semaphoreWait(pFileContext->semaphore_context, M4OSA_WAIT_FOREVER); +#endif /* M4OSA_FILE_BLOCK_WITH_SEMAPHORE */ + + err = M4OSA_fileCommonSeek(pContext, seekMode, pPosition); + + if(M4OSA_ERR_IS_ERROR(err)) + { + M4OSA_DEBUG(err, "M4OSA_fileWriteSeek: M4OSA_fileCommonSeek"); + +#ifdef M4OSA_FILE_BLOCK_WITH_SEMAPHORE + M4OSA_semaphorePost(pFileContext->semaphore_context); +#endif /* M4OSA_FILE_BLOCK_WITH_SEMAPHORE */ + + return err; + } + + M4OSA_FPOS_SET(pFileContext->write_position, *pPosition); + + pFileContext->current_seek = SeekWrite; + +#ifdef M4OSA_FILE_BLOCK_WITH_SEMAPHORE + M4OSA_semaphorePost(pFileContext->semaphore_context); +#endif /* M4OSA_FILE_BLOCK_WITH_SEMAPHORE */ + + return M4NO_ERROR; +} + + +/** + ************************************************************************ + * @brief This function asks the core file writer to close the file + * (associated to the context). + * @note The context of the core file writer is freed. + * @param pContext: (IN/OUT) Context of the core file writer + * @return M4NO_ERROR: there is no error + * @return M4ERR_PARAMETER: at least one parameter is NULL + * @return M4ERR_BAD_CONTEXT: provided context is not a valid one + * @return M4ERR_ALLOC: there is no more memory available +************************************************************************ +*/ + +M4OSA_ERR M4OSA_fileWriteClose(M4OSA_Context pContext) +{ + M4OSA_FileContext* pFileContext = (M4OSA_FileContext*)pContext; + + M4OSA_TRACE1_1("M4OSA_fileWriteClose : pC = 0x%p", pContext); + + M4OSA_DEBUG_IF2(M4OSA_NULL == pContext, M4ERR_PARAMETER, + "M4OSA_fileWriteClose: pContext is M4OSA_NULL"); + + return M4OSA_fileCommonClose(M4OSA_FILE_WRITER, pContext); +} + + +/** + ************************************************************************ + * @brief This function flushes the stream associated to the context. + * @param pContext: (IN/OUT) Context of the core file writer + * @return M4NO_ERROR: there is no error + * @return M4ERR_PARAMETER: at least one parameter is NULL + * @return M4ERR_BAD_CONTEXT: provided context is not a valid one + ************************************************************************ +*/ +M4OSA_ERR M4OSA_fileWriteFlush(M4OSA_Context pContext) +{ + M4OSA_FileContext* pFileContext = pContext; + M4OSA_ERR err = M4NO_ERROR; + + M4OSA_TRACE2_1("M4OSA_fileWriteFlush : pC = 0x%p", pContext); + + M4OSA_DEBUG_IF2(M4OSA_NULL == pContext, M4ERR_PARAMETER, + "M4OSA_fileWriteFlush: pcontext is M4OSA_NULL"); + +#ifdef M4OSA_FILE_BLOCK_WITH_SEMAPHORE + M4OSA_DEBUG_IF2(M4OSA_NULL == pFileContext->semaphore_context, M4ERR_BAD_CONTEXT, + "M4OSA_fileWriteFlush: semaphore_context is M4OSA_NULL"); +#endif /* M4OSA_FILE_BLOCK_WITH_SEMAPHORE */ + +#ifdef M4OSA_FILE_BLOCK_WITH_SEMAPHORE + M4OSA_semaphoreWait(pFileContext->semaphore_context, M4OSA_WAIT_FOREVER); +#endif /* M4OSA_FILE_BLOCK_WITH_SEMAPHORE */ + + if (fflush(pFileContext->file_desc) != 0) + { + err = M4ERR_BAD_CONTEXT; + } + +#ifdef M4OSA_FILE_BLOCK_WITH_SEMAPHORE + M4OSA_semaphorePost(pFileContext->semaphore_context); +#endif /* M4OSA_FILE_BLOCK_WITH_SEMAPHORE */ + + return err; +} + + +/** + ************************************************************************ + * @brief This function asks the core file writer to return the value + * associated with the optionID. + * The caller is responsible for allocating/de-allocating the + * memory of the value field. + * @note 'value' must be cast according to the type related to the + * optionID + * As the caller is responsible for allocating/de-allocating the + * 'value' field, the callee must copy this field + * to its internal variable. + * @param pContext: (IN/OUT) Context of the core file writer + * @param optionID: (IN) ID of the option + * @param value: (OUT) Value of the option + * @return M4NO_ERROR: there is no error + * @return M4ERR_PARAMETER: at least one parameter is NULL + * @return M4ERR_BAD_CONTEXT: provided context is not a valid one + * @return M4ERR_BAD_OPTION_ID: the optionID is not a valid one + * @return M4ERR_WRITE_ONLY: this option is a write only one + * @return M4ERR_NOT_IMPLEMENTED: this option is not implemented +************************************************************************ +*/ + +M4OSA_ERR M4OSA_fileWriteGetOption(M4OSA_Context pContext, M4OSA_OptionID optionID, + M4OSA_DataOption* pOptionValue) +{ + M4OSA_FileContext* pFileContext = pContext; + + M4OSA_TRACE2_1("M4OSA_fileWriteGetOption : option = 0x%x", optionID); + + M4OSA_DEBUG_IF2(M4OSA_NULL == pContext, M4ERR_PARAMETER, + "M4OSA_fileWriteGetOption: pContext is M4OSA_NULL"); + M4OSA_DEBUG_IF2(optionID == 0, M4ERR_PARAMETER, "M4OSA_fileWriteGetOption"); + M4OSA_DEBUG_IF2(M4OSA_NULL == pOptionValue, M4ERR_PARAMETER, + "M4OSA_fileWriteGetOption: pOtionValue is M4OSA_NULL"); + + M4OSA_DEBUG_IF2(!M4OSA_OPTION_ID_IS_COREID(optionID, M4OSA_FILE_WRITER), + M4ERR_BAD_OPTION_ID, "M4OSA_fileWriteGetOption"); + M4OSA_DEBUG_IF2(!M4OSA_OPTION_ID_IS_READABLE(optionID), M4ERR_WRITE_ONLY, + "M4OSA_fileWriteGetOption"); +#ifdef M4OSA_FILE_BLOCK_WITH_SEMAPHORE + M4OSA_DEBUG_IF2(M4OSA_NULL == pFileContext->semaphore_context, M4ERR_BAD_CONTEXT, + "M4OSA_fileWriteGetOption: semaphore_context is M4OSA_NULL"); +#endif /* M4OSA_FILE_BLOCK_WITH_SEMAPHORE */ + + switch(optionID) + { +#if(M4OSA_OPTIONID_FILE_WRITE_GET_FILE_POSITION == M4OSA_TRUE) + case M4OSA_kFileWriteGetFilePosition: + { + M4OSA_FilePosition* position = (M4OSA_FilePosition*)pOptionValue; + +#ifdef M4OSA_FILE_BLOCK_WITH_SEMAPHORE + M4OSA_semaphoreWait(pFileContext->semaphore_context, M4OSA_WAIT_FOREVER); +#endif /* M4OSA_FILE_BLOCK_WITH_SEMAPHORE */ + + *position = pFileContext->write_position; + +#ifdef M4OSA_FILE_BLOCK_WITH_SEMAPHORE + M4OSA_semaphorePost(pFileContext->semaphore_context); +#endif /* M4OSA_FILE_BLOCK_WITH_SEMAPHORE */ + + return M4NO_ERROR; + } +#endif /*M4OSA_OPTIONID_FILE_WRITE_GET_FILE_POSITION*/ + +#if(M4OSA_OPTIONID_FILE_WRITE_GET_FILE_SIZE == M4OSA_TRUE) + case M4OSA_kFileWriteGetFileSize: + { + M4OSA_FilePosition* position = (M4OSA_FilePosition*)pOptionValue; + + if(M4OSA_kDescRWAccess == pFileContext->m_DescrModeAccess) + { + M4OSA_Int32 iSavePos = 0; + M4OSA_Int32 iSize = 0; + + iSavePos = ftell(pFileContext->file_desc); /*1- Check the first position */ + fseek(pFileContext->file_desc, 0, SEEK_END); /*2- Go to the end of the file */ + *position = ftell(pFileContext->file_desc); /*3- Check the file size*/ + fseek(pFileContext->file_desc, iSavePos, SEEK_SET); /*4- go to the first position*/ + return M4NO_ERROR; + } + +#ifdef M4OSA_FILE_BLOCK_WITH_SEMAPHORE + M4OSA_semaphoreWait(pFileContext->semaphore_context, M4OSA_WAIT_FOREVER); +#endif /* M4OSA_FILE_BLOCK_WITH_SEMAPHORE */ + + *position = pFileContext->file_size; + +#ifdef M4OSA_FILE_BLOCK_WITH_SEMAPHORE + M4OSA_semaphorePost(pFileContext->semaphore_context); +#endif /* M4OSA_FILE_BLOCK_WITH_SEMAPHORE */ + + return M4NO_ERROR; + } +#endif /*M4OSA_OPTIONID_FILE_WRITE_GET_FILE_SIZE*/ + +#if(M4OSA_OPTIONID_FILE_WRITE_GET_URL == M4OSA_TRUE) + case M4OSA_kFileWriteGetURL: + { + return M4OSA_fileCommonGetURL (pContext, (M4OSA_Char**)pOptionValue); + } +#endif /*M4OSA_OPTIONID_FILE_WRITE_GET_URL*/ + +#if(M4OSA_OPTIONID_FILE_WRITE_GET_FILE_ATTRIBUTE == M4OSA_TRUE) + case M4OSA_kFileWriteGetAttribute: + { + return M4OSA_fileCommonGetAttribute(pContext, + (M4OSA_FileAttribute*)pOptionValue); + } +#endif /*M4OSA_OPTIONID_FILE_WRITE_GET_FILE_ATTRIBUTE*/ + +#if(M4OSA_OPTIONID_FILE_WRITE_GET_READER_CONTEXT == M4OSA_TRUE) + case M4OSA_kFileWriteGetReaderContext: + { + M4OSA_FileModeAccess access = pFileContext->access_mode; + + M4OSA_DEBUG_IF1(!(access & M4OSA_kFileRead), M4ERR_BAD_CONTEXT, + "M4OSA_fileWriteGetOption: M4OSA_kFileRead"); + + M4OSA_DEBUG_IF1(!(access & M4OSA_kFileWrite), M4ERR_BAD_CONTEXT, + "M4OSA_fileWriteGetOption: M4OSA_kFileWrite"); + + pFileContext->coreID_read = M4OSA_FILE_READER; + + *pOptionValue = pContext; + + return M4NO_ERROR; + } +#endif /*M4OSA_OPTIONID_FILE_WRITE_GET_READER_CONTEXT*/ + + case M4OSA_kFileWriteLockMode: + { + *(M4OSA_UInt32*)pOptionValue = pFileContext->m_uiLockMode; + return M4NO_ERROR; + } + + } + + M4OSA_DEBUG(M4ERR_NOT_IMPLEMENTED, "M4OSA_fileWriteGetOption"); + + return M4ERR_NOT_IMPLEMENTED; +} + + +/** +************************************************************************ +* @brief This function asks the core file writer to set the value +* associated with the optionID. +* The caller is responsible for allocating/de-allocating the +* memory of the value field. +* @note As the caller is responsible for allocating/de-allocating the +* 'value' field, the callee must copy this field to its internal +* variable. +* @param pContext: (IN/OUT) Context of the core file writer +* @param optionID: (IN) ID of the option +* @param value: (IN) Value of the option +* @return M4NO_ERROR: there is no error +* @return M4ERR_PARAMETER: at least one parameter is NULL +* @return M4ERR_BAD_CONTEXT: provided context is not a valid one +* @return M4ERR_BAD_OPTION_ID: the optionID is not a valid one +* @return M4ERR_READ_ONLY: this option is a read only one +* @return M4ERR_NOT_IMPLEMENTED: this option is not implemented +************************************************************************ +*/ + +M4OSA_ERR M4OSA_fileWriteSetOption(M4OSA_Context pContext, + M4OSA_OptionID optionID, + M4OSA_DataOption optionValue) +{ + M4OSA_FileContext* pFileContext = pContext; + + M4OSA_TRACE2_1("M4OSA_fileWriteSetOption : option = 0x%x", optionID); + + M4OSA_DEBUG_IF2(M4OSA_NULL == pContext, M4ERR_PARAMETER, + "M4OSA_fileWriteSetOption"); + + M4OSA_DEBUG_IF2(0 == optionID, M4ERR_PARAMETER, "M4OSA_fileWriteSetOption"); + + M4OSA_DEBUG_IF2(!M4OSA_OPTION_ID_IS_COREID(optionID, M4OSA_FILE_WRITER), + M4ERR_BAD_OPTION_ID, "M4OSA_fileWriteSetOption"); + + M4OSA_DEBUG_IF2(!M4OSA_OPTION_ID_IS_WRITABLE(optionID), M4ERR_READ_ONLY, + "M4OSA_fileReadSetOption"); + +#ifdef M4OSA_FILE_BLOCK_WITH_SEMAPHORE + M4OSA_DEBUG_IF2(M4OSA_NULL == pFileContext->semaphore_context, M4ERR_BAD_CONTEXT, + "M4OSA_fileWriteSetOption: semaphore_context is M4OSA_NULL"); +#endif /* M4OSA_FILE_BLOCK_WITH_SEMAPHORE */ + + switch(optionID) + { + case M4OSA_kFileWriteLockMode: + { + pFileContext->m_uiLockMode = (M4OSA_UInt32)*(M4OSA_UInt32*)optionValue; + return M4NO_ERROR; + } + + case M4OSA_kFileWriteDescMode: + { + pFileContext->m_DescrModeAccess = (M4OSA_Int32)*(M4OSA_Int32*)optionValue; + return M4NO_ERROR; + } + + default: + return M4ERR_NOT_IMPLEMENTED; + } + + return M4ERR_NOT_IMPLEMENTED; +} + |