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Diffstat (limited to 'libvideoeditor/vss/common/inc/M4_BitStreamParser.h')
-rwxr-xr-x | libvideoeditor/vss/common/inc/M4_BitStreamParser.h | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/libvideoeditor/vss/common/inc/M4_BitStreamParser.h b/libvideoeditor/vss/common/inc/M4_BitStreamParser.h deleted file mode 100755 index c875458..0000000 --- a/libvideoeditor/vss/common/inc/M4_BitStreamParser.h +++ /dev/null @@ -1,134 +0,0 @@ -/* - * 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 M4_BitStreamParser.h - * @brief MPEG-4 File Format bit stream utility - * @note This file contains utility functions used to parse MPEG specific - * data structures. - ************************************************************************ -*/ -#ifndef __M4_BITSTREAMPARSER_H__ -#define __M4_BITSTREAMPARSER_H__ - -#include "M4OSA_Types.h" - -/** -* M4_BitStreamParser_Init. -* -* Allocates the context and initializes internal data -* -* @param pContext : A pointer to the context internally used by the package - ALLOCATED BY THE -* FUNCTION (M4OSA_NULL if allocation fails) -* @param bitStream : A pointer to the bitstream - must be 32 bits as access are 32 bits -* @param size : The size of the bitstream in bytes -* -*/ -void M4_BitStreamParser_Init(void** pContext, void* pBitStream, M4OSA_Int32 size); - -/** - ************************************************************************ - * @brief Clean up context - * @param pContext (IN/OUT) M4_BitStreamParser context. - ************************************************************************ -*/ -void M4_BitStreamParser_CleanUp(void* pContext); - -/** - ************************************************************************ - * @brief Read the next <length> bits in the bitstream. - * @note The function does not update the bitstream pointer. - * @param pContext (IN/OUT) M4_BitStreamParser context. - * @param length (IN) The number of bits to extract from the bitstream - * @return the read bits - ************************************************************************ -*/ -M4OSA_UInt32 M4_BitStreamParser_ShowBits(void* pContext, M4OSA_Int32 length); - -/** - ************************************************************************ - * @brief Increment the bitstream pointer of <length> bits. - * @param pContext (IN/OUT) M4_BitStreamParser context. - * @param length (IN) The number of bit to shift the bitstream - ************************************************************************ -*/ -void M4_BitStreamParser_FlushBits(void* pContext, M4OSA_Int32 length); - -/** - ************************************************************************ - * @brief Get a pointer to the current byte pointed by the bitstream pointer. - * It does not update the bitstream pointer - * - * @param pContext : A pointer to the context internally used by the package - * @param length : The number of bit to extract from the bitstream - * - * @returns the read bits -*/ -M4OSA_UInt32 M4_BitStreamParser_GetBits(void* pContext,M4OSA_Int32 bitPos, M4OSA_Int32 length); - -/** -* M4_BitStreamParser_Restart resets the bitstream indexes. -* -* @param pContext : A pointer to the context internally used by the package -* -*/ -void M4_BitStreamParser_Restart(void* pContext); - -/** - ************************************************************************ - * @brief Get a pointer to the current byte pointed by the bitstream pointer. - * @returns pointer to the current location in the bitstream - * @note It should be used carefully as the pointer is in the bitstream itself - * and no copy is made. - * @param pContext (IN/OUT) M4_BitStreamParser context. -*/ -M4OSA_UInt8* M4_BitStreamParser_GetCurrentbitStreamPointer(void* pContext); - -/** -* M4_BitStreamParser_GetSize gets the size of the bitstream in bytes -* -* @param pContext : A pointer to the context internally used by the package -* -* @returns the size of the bitstream in bytes -*/ -M4OSA_Int32 M4_BitStreamParser_GetSize(void* pContext); - -void M4_MPEG4BitStreamParser_Init(void** pContext, void* pBitStream, M4OSA_Int32 size); - -/** -* getMpegLengthFromInteger returns a decoded size value from an encoded one (SDL) -* -* @param pContext : A pointer to the context internally used by the package -* @param val : encoded value -* -* @returns size in a human readable form -*/ - -M4OSA_Int32 M4_MPEG4BitStreamParser_GetMpegLengthFromInteger(void* pContext, M4OSA_UInt32 val); - - -/** - ************************************************************************ - * @brief Decode an MPEG4 Systems descriptor size from an encoded SDL size data. - * @note The value is read from the current bitstream location. - * @param pContext (IN/OUT) M4_BitStreamParser context. - * @return Size in a human readable form - ************************************************************************ -*/ -M4OSA_Int32 M4_MPEG4BitStreamParser_GetMpegLengthFromStream(void* pContext); - -#endif /*__M4_BITSTREAMPARSER_H__*/ - |