请问，如何用ffmeg【接收摄像头吐出的PS流，并将其转换为TS流推送出去】？

Swordscsdner 2017-10-24 11:40:02

没研究过ffmpeg, 所以不太熟悉，来这里问一下大神们，直接ffmpeg命令能做到吗？
还是需要用ffmpeg的库自行开发？

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沐阳2100 2018-01-25

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EasyDarwin-EasyCamera源码，仅供参考

bool GetH246FromPS(IN BYTE* pBuffer, IN int nBufLenth, BYTE** pH264, int& nH264Lenth, BOOL& bVideo,BOOL& bAudio)
{
	if (!pBuffer || nBufLenth <= 0)
	{
		return FALSE;
	}

	BYTE* pH264Buffer = NULL;
	int nHerderLen = 0;

	if (pBuffer
		&& pBuffer[0] == 0x00
		&& pBuffer[1] == 0x00
		&& pBuffer[2] == 0x01
		&& pBuffer[3] == 0xE0)//E==视频数据(此处E0标识为视频)
	{
		bVideo = TRUE;
		bAudio = FALSE;
		nHerderLen = 9 + (int)pBuffer[8];//9个为固定的数据包头长度，pBuffer[8]为填充头部分的长度
		pH264Buffer = pBuffer + nHerderLen;
		if (*pH264 == NULL)
		{
			*pH264 = new BYTE[nBufLenth];
		}
		if (*pH264&&pH264Buffer && (nBufLenth - nHerderLen)>0)
		{
			memcpy(*pH264, pH264Buffer, (nBufLenth - nHerderLen));
		}
		nH264Lenth = nBufLenth - nHerderLen;
		return TRUE;
	}
	else if (pBuffer
		&& pBuffer[0] == 0x00
		&& pBuffer[1] == 0x00
		&& pBuffer[2] == 0x01
		&& pBuffer[3] == 0xC0) //C==音频数据？
	{
		*pH264 = NULL;
		nH264Lenth = 0;
		bVideo = FALSE;
		bAudio = TRUE;
		//BYTE * pOutBuffer = NULL;
		nHerderLen = 9 + (int)pBuffer[8];//9个为固定的数据包头长度，pBuffer[8]为填充头部分的长度
		pH264Buffer = pBuffer + nHerderLen;
		if (*pH264 == NULL)
		{
			*pH264 = new BYTE[nBufLenth];
		}
		if (*pH264&&pH264Buffer && (nBufLenth - nHerderLen)>0)
		{
			memcpy(*pH264, pH264Buffer, (nBufLenth - nHerderLen));
		}
		nH264Lenth = nBufLenth - nHerderLen;
		return TRUE;
	}
	else if (pBuffer
		&& pBuffer[0] == 0x00
		&& pBuffer[1] == 0x00
		&& pBuffer[2] == 0x01
		&& pBuffer[3] == 0xBA)//视频流数据包 包头
	{
		bVideo = TRUE;
		*pH264 = NULL;
		nH264Lenth = 0;
		return FALSE;
	}
	return FALSE;
}

沐阳2100 2018-01-25

打赏
举报

EasyDarwin-EasyCamera源码，仅供参考

bool GetH246FromPS(IN BYTE* pBuffer, IN int nBufLenth, BYTE** pH264, int& nH264Lenth, BOOL& bVideo,BOOL& bAudio)
{
	if (!pBuffer || nBufLenth <= 0)
	{
		return FALSE;
	}

	BYTE* pH264Buffer = NULL;
	int nHerderLen = 0;

	if (pBuffer
		&& pBuffer[0] == 0x00
		&& pBuffer[1] == 0x00
		&& pBuffer[2] == 0x01
		&& pBuffer[3] == 0xE0)//E==视频数据(此处E0标识为视频)
	{
		bVideo = TRUE;
		bAudio = FALSE;
		nHerderLen = 9 + (int)pBuffer[8];//9个为固定的数据包头长度，pBuffer[8]为填充头部分的长度
		pH264Buffer = pBuffer + nHerderLen;
		if (*pH264 == NULL)
		{
			*pH264 = new BYTE[nBufLenth];
		}
		if (*pH264&&pH264Buffer && (nBufLenth - nHerderLen)>0)
		{
			memcpy(*pH264, pH264Buffer, (nBufLenth - nHerderLen));
		}
		nH264Lenth = nBufLenth - nHerderLen;
		return TRUE;
	}
	else if (pBuffer
		&& pBuffer[0] == 0x00
		&& pBuffer[1] == 0x00
		&& pBuffer[2] == 0x01
		&& pBuffer[3] == 0xC0) //C==音频数据？
	{
		*pH264 = NULL;
		nH264Lenth = 0;
		bVideo = FALSE;
		bAudio = TRUE;
		//BYTE * pOutBuffer = NULL;
		nHerderLen = 9 + (int)pBuffer[8];//9个为固定的数据包头长度，pBuffer[8]为填充头部分的长度
		pH264Buffer = pBuffer + nHerderLen;
		if (*pH264 == NULL)
		{
			*pH264 = new BYTE[nBufLenth];
		}
		if (*pH264&&pH264Buffer && (nBufLenth - nHerderLen)>0)
		{
			memcpy(*pH264, pH264Buffer, (nBufLenth - nHerderLen));
		}
		nH264Lenth = nBufLenth - nHerderLen;
		return TRUE;
	}
	else if (pBuffer
		&& pBuffer[0] == 0x00
		&& pBuffer[1] == 0x00
		&& pBuffer[2] == 0x01
		&& pBuffer[3] == 0xBA)//视频流数据包 包头
	{
		bVideo = TRUE;
		*pH264 = NULL;
		nH264Lenth = 0;
		return FALSE;
	}
	return FALSE;
}

沐阳2100 2018-01-25

打赏
举报

EasyDarwin-EasyCamera源码，仅供参考

bool GetH246FromPS(IN BYTE* pBuffer, IN int nBufLenth, BYTE** pH264, int& nH264Lenth, BOOL& bVideo,BOOL& bAudio)
{
	if (!pBuffer || nBufLenth <= 0)
	{
		return FALSE;
	}

	BYTE* pH264Buffer = NULL;
	int nHerderLen = 0;

	if (pBuffer
		&& pBuffer[0] == 0x00
		&& pBuffer[1] == 0x00
		&& pBuffer[2] == 0x01
		&& pBuffer[3] == 0xE0)//E==视频数据(此处E0标识为视频)
	{
		bVideo = TRUE;
		bAudio = FALSE;
		nHerderLen = 9 + (int)pBuffer[8];//9个为固定的数据包头长度，pBuffer[8]为填充头部分的长度
		pH264Buffer = pBuffer + nHerderLen;
		if (*pH264 == NULL)
		{
			*pH264 = new BYTE[nBufLenth];
		}
		if (*pH264&&pH264Buffer && (nBufLenth - nHerderLen)>0)
		{
			memcpy(*pH264, pH264Buffer, (nBufLenth - nHerderLen));
		}
		nH264Lenth = nBufLenth - nHerderLen;
		return TRUE;
	}
	else if (pBuffer
		&& pBuffer[0] == 0x00
		&& pBuffer[1] == 0x00
		&& pBuffer[2] == 0x01
		&& pBuffer[3] == 0xC0) //C==音频数据？
	{
		*pH264 = NULL;
		nH264Lenth = 0;
		bVideo = FALSE;
		bAudio = TRUE;
		//BYTE * pOutBuffer = NULL;
		nHerderLen = 9 + (int)pBuffer[8];//9个为固定的数据包头长度，pBuffer[8]为填充头部分的长度
		pH264Buffer = pBuffer + nHerderLen;
		if (*pH264 == NULL)
		{
			*pH264 = new BYTE[nBufLenth];
		}
		if (*pH264&&pH264Buffer && (nBufLenth - nHerderLen)>0)
		{
			memcpy(*pH264, pH264Buffer, (nBufLenth - nHerderLen));
		}
		nH264Lenth = nBufLenth - nHerderLen;
		return TRUE;
	}
	else if (pBuffer
		&& pBuffer[0] == 0x00
		&& pBuffer[1] == 0x00
		&& pBuffer[2] == 0x01
		&& pBuffer[3] == 0xBA)//视频流数据包 包头
	{
		bVideo = TRUE;
		*pH264 = NULL;
		nH264Lenth = 0;
		return FALSE;
	}
	return FALSE;
}

Swordscsdner 2017-10-24