omxil/omxilapi/v1_x/OMX_ContentPipe.h
changeset 56 b6488ac24ddc
parent 47 481b3bce574a
child 57 1cbb0d5bf7f2
--- a/omxil/omxilapi/v1_x/OMX_ContentPipe.h	Mon Aug 23 21:48:44 2010 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,195 +0,0 @@
-/*
- * Copyright (c) 2008 The Khronos Group Inc. 
- * 
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sublicense, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject
- * to the following conditions: 
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software. 
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
- * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 
- *
- */
-
-/** OMX_ContentPipe.h - OpenMax IL version 1.1.2
- *  The OMX_ContentPipe header file contains the definitions used to define
- *  the public interface for content piples.  This header file is intended to
- *  be used by the component.
- */
-
-#ifndef OMX_CONTENTPIPE_H
-#define OMX_CONTENTPIPE_H
-
-#ifndef KD_EACCES
-/* OpenKODE error codes. CPResult values may be zero (indicating success
-   or one of the following values) */
-#define KD_EACCES (1)
-#define KD_EADDRINUSE (2)
-#define KD_EAGAIN (5)
-#define KD_EBADF (7)
-#define KD_EBUSY (8)
-#define KD_ECONNREFUSED (9)
-#define KD_ECONNRESET (10)
-#define KD_EDEADLK (11)
-#define KD_EDESTADDRREQ (12)
-#define KD_ERANGE (35)
-#define KD_EEXIST (13)
-#define KD_EFBIG (14)
-#define KD_EHOSTUNREACH (15)
-#define KD_EINVAL (17)
-#define KD_EIO (18)
-#define KD_EISCONN (20)
-#define KD_EISDIR (21)
-#define KD_EMFILE (22)
-#define KD_ENAMETOOLONG (23)
-#define KD_ENOENT (24)
-#define KD_ENOMEM (25)
-#define KD_ENOSPC (26)
-#define KD_ENOSYS (27)
-#define KD_ENOTCONN (28)
-#define KD_EPERM (33)
-#define KD_ETIMEDOUT (36)
-#define KD_EILSEQ (19)
-#endif
-
-/** Map types from OMX standard types only here so interface is as generic as possible. */
-typedef OMX_U32    CPresult;
-typedef char *     CPstring;  
-typedef void *     CPhandle;
-typedef OMX_U32    CPuint;
-typedef OMX_S32    CPint;  
-typedef char       CPbyte;  
-typedef OMX_BOOL   CPbool;
-
-/** enumeration of origin types used in the CP_PIPETYPE's Seek function 
- * @ingroup cp
- */
-typedef enum CP_ORIGINTYPE {
-    CP_OriginBegin,      
-    CP_OriginCur,      
-    CP_OriginEnd,      
-    CP_OriginKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
-    CP_OriginVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
-    CP_OriginMax = 0X7FFFFFFF
-} CP_ORIGINTYPE;
-
-/** enumeration of contact access types used in the CP_PIPETYPE's Open function 
- * @ingroup cp
- */
-typedef enum CP_ACCESSTYPE {
-    CP_AccessRead,      
-    CP_AccessWrite,  
-    CP_AccessReadWrite ,  
-    CP_AccessKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
-    CP_AccessVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
-    CP_AccessMax = 0X7FFFFFFF
-} CP_ACCESSTYPE;
-
-/** enumeration of results returned by the CP_PIPETYPE's CheckAvailableBytes function 
- * @ingroup cp
- */
-typedef enum CP_CHECKBYTESRESULTTYPE
-{
-    CP_CheckBytesOk,                    /**< There are at least the request number 
-                                              of bytes available */
-    CP_CheckBytesNotReady,              /**< The pipe is still retrieving bytes 
-                                              and presently lacks sufficient bytes. 
-                                              Client will be called when they are 
-                                              sufficient bytes are available. */
-    CP_CheckBytesInsufficientBytes  ,     /**< The pipe has retrieved all bytes 
-                                              but those available are less than those 
-                                              requested */
-    CP_CheckBytesAtEndOfStream,         /**< The pipe has reached the end of stream
-                                              and no more bytes are available. */
-    CP_CheckBytesOutOfBuffers,          /**< All read/write buffers are currently in use. */
-    CP_CheckBytesKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
-    CP_CheckBytesVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
-    CP_CheckBytesMax = 0X7FFFFFFF
-} CP_CHECKBYTESRESULTTYPE;
-
-/** enumeration of content pipe events sent to the client callback. 
- * @ingroup cp
- */
-typedef enum CP_EVENTTYPE{
-    CP_BytesAvailable,      	    /** bytes requested in a CheckAvailableBytes call are now available*/
-    CP_Overflow,  		           /** enumeration of content pipe events sent to the client callback*/
-    CP_PipeDisconnected  ,  		    /** enumeration of content pipe events sent to the client callback*/
-    CP_EventKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
-    CP_EventVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
-    CP_EventMax = 0X7FFFFFFF
-} CP_EVENTTYPE;
-
-/** content pipe definition 
- * @ingroup cp
- */
-typedef struct CP_PIPETYPE
-{
-    /** Open a content stream for reading or writing. */ 
-    CPresult (*Open)( CPhandle* hContent, CPstring szURI, CP_ACCESSTYPE eAccess );
-
-    /** Close a content stream. */ 
-    CPresult (*Close)( CPhandle hContent );
-
-    /** Create a content source and open it for writing. */ 
-    CPresult (*Create)( CPhandle *hContent, CPstring szURI );
-
-    /** Check the that specified number of bytes are available for reading or writing (depending on access type).*/
-    CPresult (*CheckAvailableBytes)( CPhandle hContent, CPuint nBytesRequested, CP_CHECKBYTESRESULTTYPE *eResult );
-
-    /** Seek to certain position in the content relative to the specified origin. */
-    CPresult (*SetPosition)( CPhandle  hContent, CPint nOffset, CP_ORIGINTYPE eOrigin);
-
-    /** Retrieve the current position relative to the start of the content. */
-    CPresult (*GetPosition)( CPhandle hContent, CPuint *pPosition);
-
-    /** Retrieve data of the specified size from the content stream (advance content pointer by size of data).
-       Note: pipe client provides pointer. This function is appropriate for small high frequency reads. */
-    CPresult (*Read)( CPhandle hContent, CPbyte *pData, CPuint nSize); 
-
-    /** Retrieve a buffer allocated by the pipe that contains the requested number of bytes. 
-       Buffer contains the next block of bytes, as specified by nSize, of the content. nSize also
-       returns the size of the block actually read. Content pointer advances the by the returned size. 
-       Note: pipe provides pointer. This function is appropriate for large reads. The client must call 
-       ReleaseReadBuffer when done with buffer. 
-
-       In some cases the requested block may not reside in contiguous memory within the
-       pipe implementation. For instance if the pipe leverages a circular buffer then the requested 
-       block may straddle the boundary of the circular buffer. By default a pipe implementation 
-       performs a copy in this case to provide the block to the pipe client in one contiguous buffer.
-       If, however, the client sets bForbidCopy, then the pipe returns only those bytes preceding the memory 
-       boundary. Here the client may retrieve the data in segments over successive calls. */
-    CPresult (*ReadBuffer)( CPhandle hContent, CPbyte **ppBuffer, CPuint *nSize, CPbool bForbidCopy);
-
-    /** Release a buffer obtained by ReadBuffer back to the pipe. */
-    CPresult (*ReleaseReadBuffer)(CPhandle hContent, CPbyte *pBuffer);
-
-    /** Write data of the specified size to the content (advance content pointer by size of data).
-       Note: pipe client provides pointer. This function is appropriate for small high frequency writes. */
-    CPresult (*Write)( CPhandle hContent, CPbyte *data, CPuint nSize); 
-
-    /** Retrieve a buffer allocated by the pipe used to write data to the content. 
-       Client will fill buffer with output data. Note: pipe provides pointer. This function is appropriate
-       for large writes. The client must call WriteBuffer when done it has filled the buffer with data.*/
-    CPresult (*GetWriteBuffer)( CPhandle hContent, CPbyte **ppBuffer, CPuint nSize);
-
-    /** Deliver a buffer obtained via GetWriteBuffer to the pipe. Pipe will write the 
-       the contents of the buffer to content and advance content pointer by the size of the buffer */
-    CPresult (*WriteBuffer)( CPhandle hContent, CPbyte *pBuffer, CPuint nFilledSize);
-
-    /** Register a per-handle client callback with the content pipe. */
-    CPresult (*RegisterCallback)( CPhandle hContent, CPresult (*ClientCallback)(CP_EVENTTYPE eEvent, CPuint iParam));
-
-} CP_PIPETYPE;
-
-#endif
-