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remove PSParser mistake comment
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@ -252,9 +252,9 @@ static inline int getBitsLeft(void *pvHandle)
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*functions
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********************************************/
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/**
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* @brief Function getOneBit() ¶Á1¸öbit
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* @brief Function getOneBit() get next bit
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* @param[in] h T_GetBitContext structrue
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* @retval 0: success, -1 : failure
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* @retval other : success, -1 : failure
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* @pre
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* @post
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*/
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@ -291,10 +291,10 @@ exit:
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/**
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* @brief Function getBits() ¶Án¸öbits£¬n²»Äܳ¬¹ý32
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* @brief Function getBits() get next bits
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* @param[in] h T_GetBitContext structrue
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* @param[in] n how many bits you want?
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* @retval 0: success, -1 : failure
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* @retval other : success, -1 : failure
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* @pre
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* @post
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*/
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@ -446,7 +446,7 @@ static inline unsigned int showBitsLong(void *pvHandle, int iN)
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/**
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* @brief Function parseCodenum() Ö¸Êý¸çÂײ¼±àÂë½âÎö£¬²Î¿¼h264±ê×¼µÚ9½Ú
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* @brief Function parseCodenum()
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* @param[in] buf
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* @retval u32CodeNum
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* @pre
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@ -469,7 +469,7 @@ static int parseCodenum(void *pvBuf)
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}
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/**
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* @brief Function parseUe() Ö¸Êý¸çÂײ¼±àÂë½âÎö ue(),²Î¿¼h264±ê×¼µÚ9½Ú
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* @brief Function parseUe()
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* @param[in] buf sps_pps parse buf
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* @retval u32CodeNum
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* @pre
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@ -482,7 +482,7 @@ static int parseUe(void *pvBuf)
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/**
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* @brief Function parseSe() Ö¸Êý¸çÂײ¼±àÂë½âÎö se(), ²Î¿¼h264±ê×¼µÚ9½Ú
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* @brief Function parseSe()
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* @param[in] buf sps_pps parse buf
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* @retval u32CodeNum
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* @pre
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@ -502,7 +502,7 @@ static int parseSe(void *pvBuf)
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/**
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* @brief Function getBitContextFree() ÉêÇëµÄget_bit_context½á¹¹ÄÚ´æÊÍ·Å
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* @brief Function getBitContextFree()
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* @param[in] buf T_GetBitContext buf
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* @retval none
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* @pre
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@ -527,18 +527,13 @@ static void getBitContextFree(void *pvBuf)
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/**
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* @brief Function deEmulationPrevention() ½â¾ºÕù´úÂë
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* @brief Function deEmulationPrevention()
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* @param[in] buf T_GetBitContext buf
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* @retval none
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* @pre
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* @post
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* @note:
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* µ÷ÊÔʱ×ÜÊÇ·¢ÏÖvui.time_scaleÖµÌرðÆæ¹Ö£¬×ÜÊÇ16777216£¬ºóÀ´²éѯÔÒòÈçÏÂ:
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* http://www.cnblogs.com/eustoma/archive/2012/02/13/2415764.html
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* H.264±àÂëʱ£¬ÔÚÿ¸öNALÇ°Ìí¼ÓÆðʼÂë 0x000001£¬½âÂëÆ÷ÔÚÂëÁ÷Öмì²âµ½ÆðʼÂ룬µ±Ç°NAL½áÊø¡£
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* ΪÁË·ÀÖ¹NALÄÚ²¿³öÏÖ0x000001µÄÊý¾Ý£¬h.264ÓÖÌá³ö'·ÀÖ¹¾ºÕù emulation prevention"»úÖÆ£¬
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* ÔÚ±àÂëÍêÒ»¸öNALʱ£¬Èç¹û¼ì²â³öÓÐÁ¬ÐøÁ½¸ö0x00×Ö½Ú£¬¾ÍÔÚºóÃæ²åÈëÒ»¸ö0x03¡£
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* µ±½âÂëÆ÷ÔÚNALÄÚ²¿¼ì²âµ½0x000003µÄÊý¾Ý£¬¾Í°Ñ0x03Å×Æú£¬»Ö¸´ÔʼÊý¾Ý¡£
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* 0x000000 >>>>>> 0x00000300
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* 0x000001 >>>>>> 0x00000301
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* 0x000002 >>>>>> 0x00000302
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@ -581,22 +576,20 @@ static void *deEmulationPrevention(void *pvBuf)
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tmp_buf_size = ptPtr->iBufSize;
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for(i=0; i<(tmp_buf_size-2); i++)
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{
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/*¼ì²â0x000003*/
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iVal = (pu8TmpPtr[i]^0x00) + (pu8TmpPtr[i+1]^0x00) + (pu8TmpPtr[i+2]^0x03);
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if(iVal == 0)
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{
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/*ÌÞ³ý0x03*/
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for(j=i+2; j<tmp_buf_size-1; j++)
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{
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pu8TmpPtr[j] = pu8TmpPtr[j+1];
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}
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/*ÏàÓ¦µÄbufsizeÒª¼õС*/
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ptPtr->iBufSize--;
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}
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}
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/*ÖØмÆËãtotal_bit*/
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ptPtr->iTotalBit = ptPtr->iBufSize << 3;
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return (void *)ptPtr;
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@ -439,11 +439,11 @@ typedef struct T_HEVCSPS {
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typedef struct T_GetBitContext{
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uint8_t *pu8Buf; /*Ö¸ÏòSPS start*/
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int iBufSize; /*SPS ³¤¶È*/
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int iBitPos; /*bitÒѶÁȡλÖÃ*/
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int iTotalBit; /*bit×ܳ¤¶È*/
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int iCurBitPos; /*µ±Ç°¶ÁȡλÖÃ*/
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uint8_t *pu8Buf; // buf
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int iBufSize; // buf size
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int iBitPos; // bit position
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int iTotalBit; // bit number
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int iCurBitPos; // current bit position
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}T_GetBitContext;
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