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Diffstat (limited to 'libvideoeditor/vss/src/M4AD_Null.c')
| -rwxr-xr-x | libvideoeditor/vss/src/M4AD_Null.c | 256 |
1 files changed, 0 insertions, 256 deletions
diff --git a/libvideoeditor/vss/src/M4AD_Null.c b/libvideoeditor/vss/src/M4AD_Null.c deleted file mode 100755 index cd1ec73..0000000 --- a/libvideoeditor/vss/src/M4AD_Null.c +++ /dev/null @@ -1,256 +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 M4AD_Null.c - * @brief Implementation of the MP3 decoder public interface - * @note This file implements a "null" audio decoder, that is a decoder - * that do nothing except getting AU from the reader -************************************************************************* -*/ -#include "M4OSA_Debug.h" -#include "M4OSA_Error.h" -#include "M4OSA_Debug.h" -#include "M4TOOL_VersionInfo.h" -#include "M4AD_Common.h" -#include "M4AD_Null.h" - -#define M4AD_FORCE_16BITS - -/** - ************************************************************************ - * NULL Audio Decoder version information - ************************************************************************ -*/ -/* CHANGE_VERSION_HERE */ -#define M4AD_NULL_MAJOR 1 -#define M4AD_NULL_MINOR 1 -#define M4AD_NULL_REVISION 4 - -/** - ************************************************************************ - * structure M4AD_NullContext - * @brief Internal null decoder context - ************************************************************************ -*/ -typedef struct -{ - /**< Pointer to the stream handler provided by the user */ - M4_AudioStreamHandler* m_pAudioStreamhandler; -} M4AD_NullContext; - - -/** - ************************************************************************ - * NXP MP3 decoder functions definition - ************************************************************************ -*/ - -/** - ************************************************************************ - * @brief Creates an instance of the null decoder - * @note Allocates the context - * - * @param pContext: (OUT) Context of the decoder - * @param pStreamHandler: (IN) Pointer to an audio stream description - * @param pUserData: (IN) Pointer to User data - * - * @return M4NO_ERROR there is no error - * @return M4ERR_STATE State automaton is not applied - * @return M4ERR_ALLOC a memory allocation has failed - * @return M4ERR_PARAMETER at least one parameter is not properly set (in DEBUG only) - ************************************************************************ -*/ -M4OSA_ERR M4AD_NULL_create( M4AD_Context* pContext, - M4_AudioStreamHandler *pStreamHandler, - void* pUserData) -{ - M4AD_NullContext* pC; - - M4OSA_DEBUG_IF1((pContext == 0), M4ERR_PARAMETER, - "M4AD_NULL_create: invalid context pointer"); - M4OSA_DEBUG_IF1((pStreamHandler == 0), M4ERR_PARAMETER, - "M4AD_NULL_create: invalid pointer pStreamHandler"); - - pC = (M4AD_NullContext*)M4OSA_32bitAlignedMalloc(sizeof(M4AD_NullContext), - M4DECODER_AUDIO, (M4OSA_Char *)"M4AD_NullContext"); - if (pC == (M4AD_NullContext*)0) - { - M4OSA_TRACE1_0("Can not allocate null decoder context"); - return M4ERR_ALLOC; - } - - *pContext = pC; - - pC->m_pAudioStreamhandler = pStreamHandler; - - return M4NO_ERROR; -} - -/** - ************************************************************************ - * @brief Destroys the instance of the null decoder - * @note After this call the context is invalid - * - * @param context: (IN) Context of the decoder - * - * @return M4NO_ERROR There is no error - * @return M4ERR_PARAMETER The context is invalid (in DEBUG only) - ************************************************************************ -*/ -M4OSA_ERR M4AD_NULL_destroy(M4AD_Context context) -{ - M4AD_NullContext* pC = (M4AD_NullContext*)context; - - M4OSA_DEBUG_IF1((context == M4OSA_NULL), M4ERR_PARAMETER, "M4AD_NULL_destroy: invalid context"); - - free(pC); - - return M4NO_ERROR; -} - -/** - ************************************************************************ - * @brief Simply output the given audio data - * @note - * - * @param context: (IN) Context of the decoder - * @param pInputBuffer: (IN/OUT)Input Data buffer. It contains at least one audio frame. - * The size of the buffer must be updated inside the function - * to reflect the size of the actually decoded data. - * (e.g. the first frame in pInputBuffer) - * @param pDecodedPCMBuffer: (OUT) Output PCM buffer (decoded data). - * @param jumping: (IN) M4OSA_TRUE if a jump was just done, M4OSA_FALSE otherwise. - * @return M4NO_ERROR there is no error - * @return M4ERR_PARAMETER at least one parameter is not properly set - ************************************************************************ -*/ -M4OSA_ERR M4AD_NULL_step(M4AD_Context context, M4AD_Buffer *pInputBuffer, - M4AD_Buffer *pDecodedPCMBuffer, M4OSA_Bool jumping) -{ - M4AD_NullContext* pC = (M4AD_NullContext*)context; - - /*The VPS sends a zero buffer at the end*/ - if (0 == pInputBuffer->m_bufferSize) - { - return M4WAR_NO_MORE_AU; - } - - if (pInputBuffer->m_bufferSize > pDecodedPCMBuffer->m_bufferSize) - { - return M4ERR_PARAMETER; - } -#ifdef M4AD_FORCE_16BITS - /*if read samples are 8 bits, complete them to 16 bits*/ - if (pC->m_pAudioStreamhandler->m_byteSampleSize == 1) - { - M4OSA_UInt32 i; - M4OSA_Int16 val; - - for (i = 0; i < pInputBuffer->m_bufferSize; i++) - { - val = (M4OSA_Int16)((M4OSA_UInt8)(pInputBuffer->m_dataAddress[i]) - 128); - - pDecodedPCMBuffer->m_dataAddress[i*2] = (M4OSA_Int8)(val>>8); - pDecodedPCMBuffer->m_dataAddress[i*2+1] = (M4OSA_Int8)(val&0x00ff); - } - } - else - { - memcpy((void *)pDecodedPCMBuffer->m_dataAddress, (void *)pInputBuffer->m_dataAddress, - pInputBuffer->m_bufferSize ); - } -#else /*M4AD_FORCE_16BITS*/ - memcpy((void *)pDecodedPCMBuffer->m_dataAddress, (void *)pInputBuffer->m_dataAddress, - pInputBuffer->m_bufferSize ); -#endif /*M4AD_FORCE_16BITS*/ - - return M4NO_ERROR; -} - -/** - ************************************************************************ - * @brief Gets the decoder version - * @note The version is given in a M4_VersionInfo structure - * - * @param pValue: (OUT) Pointer to the version structure - * - * @return M4NO_ERROR there is no error - * @return M4ERR_PARAMETER pVersionInfo pointer is null (in DEBUG only) - ************************************************************************ -*/ -M4OSA_ERR M4AD_NULL_getVersion(M4_VersionInfo* pVersionInfo) -{ - M4OSA_ERR err = M4NO_ERROR; - M4OSA_DEBUG_IF1((pVersionInfo == 0), M4ERR_PARAMETER, - "M4AD_NULL_getVersion: invalid pointer pVersionInfo"); - - /* Up until now, the null decoder version is not available */ - - /* CHANGE_VERSION_HERE */ - pVersionInfo->m_major = M4AD_NULL_MAJOR; /*major version of the component*/ - pVersionInfo->m_minor = M4AD_NULL_MINOR; /*minor version of the component*/ - pVersionInfo->m_revision = M4AD_NULL_REVISION; /*revision version of the component*/ - pVersionInfo->m_structSize=sizeof(M4_VersionInfo); - - return err; -} - - -/** - ************************************************************************ - * getInterface function definitions of NXP MP3 decoder - ************************************************************************ -*/ - -/** - ************************************************************************ - * @brief Retrieves the interface implemented by the decoder - * @param pDecoderType : pointer on an M4AD_Type (allocated by the caller) - * that will be filled with the decoder type supported by - * this decoder - * @param pDecoderInterface : address of a pointer that will be set to the interface - * implemented by this decoder. The interface is a structure - * allocated by the function and must be un-allocated by the - * caller. - * - * @return M4NO_ERROR if OK - * @return M4ERR_ALLOC if allocation failed - ************************************************************************ -*/ -M4OSA_ERR M4AD_NULL_getInterface( M4AD_Type *pDecoderType, M4AD_Interface **pDecoderInterface) -{ - *pDecoderInterface = ( M4AD_Interface*)M4OSA_32bitAlignedMalloc( sizeof(M4AD_Interface), - M4DECODER_AUDIO, (M4OSA_Char *)"M4AD_Interface" ); - if (M4OSA_NULL == *pDecoderInterface) - { - return M4ERR_ALLOC; - } - - *pDecoderType = M4AD_kTypePCM; - - (*pDecoderInterface)->m_pFctCreateAudioDec = M4AD_NULL_create; - (*pDecoderInterface)->m_pFctDestroyAudioDec = M4AD_NULL_destroy; - (*pDecoderInterface)->m_pFctStepAudioDec = M4AD_NULL_step; - (*pDecoderInterface)->m_pFctGetVersionAudioDec = M4AD_NULL_getVersion; - (*pDecoderInterface)->m_pFctStartAudioDec = M4OSA_NULL; - (*pDecoderInterface)->m_pFctResetAudioDec = M4OSA_NULL; - (*pDecoderInterface)->m_pFctSetOptionAudioDec = M4OSA_NULL; - (*pDecoderInterface)->m_pFctGetOptionAudioDec = M4OSA_NULL; - - return M4NO_ERROR; -} - |