#include?“rtmpstream.h“

RtmpStream::RtmpStream（）
{
	have_video?=?0;
	have_audio?=?0;
	ptsInc?=?0;

	oc?=?NULL;
	opt?=?NULL;
	video_st?=?{?0?};
	audio_st?=?{?0?};

????iRawLineSize?=?0;
	iRawBuffSize?=?0;
	pRawBuff?=?NULL;

	iConvertLineSize?=?0;
	iConvertBuffSize?=?0;
	pConvertBuff?=?NULL;

	memset（pcmencodebuf?0?4096）;
	pcmencodesize?=?0;
}

RtmpStream::~RtmpStream（）
{
	/*?Write?the?stream?trailer?to?an?output?media?file?*/
	av_write_trailer（oc）;

	/*?Close?each?codec.?*/
	if?（have_video）
		close_stream（&video_st）;
	if?（have_audio）?
		close_stream（&audio_st）;

	/*?Close?the?output?file.?*/
	if?（!（fmt->flags?&?AVFMT_NOFILE））
		avio_closep（&oc->pb）;

	/*?free?the?stream?*/
	if?（oc）
		avformat_free_context（oc）;

	/*?free?the?audio?frame?*/
	if?（pRawBuff）
		av_free（pRawBuff）;
	if?（pConvertBuff）
		av_free（pConvertBuff）;
}

int?RtmpStream::init（const?char?*filename）
{
	int?ret?=?0;

	av_register_all（）;
	avformat_network_init（）;

	/*?allocate?the?output?media?context?*/
	avformat_alloc_output_context2（&oc?NULL?“flv“?filename）;
	if?（!oc）?{
		printf（“Could?not?deduce?output?format?from?file?extension.\n“）;
		return?-1;
	}

	fmt?=?oc->oformat;

	/*?Add?the?audio?and?video?streams?using?the?default?format?codecs
	*?and?initialize?the?codecs.?*/
	if?（fmt->video_codec?!=?AV_CODEC_ID_NONE）?{
		fmt->video_codec?=?AV_CODEC_ID_H264;
		ret?=?add_stream（&video_st?&video_codec?fmt->video_codec）;
		if?（ret?			printf（“Could?not?add?video?stream.\n“）;
			return?-1;
		}
		have_video?=?1;
	}
	if?（fmt->audio_codec?!=?AV_CODEC_ID_NONE）?{
		fmt->audio_codec?=?AV_CODEC_ID_AAC;
		ret?=?add_stream（&audio_st?&audio_codec?fmt->audio_codec）;
		if?（ret?			printf（“Could?not?add?audio?stream.\n“）;
			return?-1;
		}
		have_audio?=?1;
	}

	/*?Now?that?all?the?parameters?are?set?we?can?open?the?audio?and
	*?video?codecs?and?allocate?the?necessary?encode?buffers.?*/
	if?（have_video）?{
		ret?=?open_video（video_codec?&video_st?opt）;
		if?（ret?			printf（“Could?not?open?video.\n“）;
			return?-1;
		}
	}

	if?（have_audio）?{
		ret?=?open_audio（audio_codec?&audio_st?opt）;
		if?（ret?			printf（“Could?not?open?audio.\n“）;
			return?-1;
		}
	}

	av_dump_format（oc?0?filename?1）;

	/*?open?the?output?file?if?needed?*/
	if?（!（fmt->flags?&?AVFMT_NOFILE））?{
		ret?=?avio_open（&oc->pb?filename?AVIO_FLAG_WRITE）;
		if?（ret?			printf（“Could?not?open?‘%s‘\n“?filename）;
			return?-1;
		}
	}

	/*?Write?the?stream?header?if?any.?*/
	ret?=?avformat_write_header（oc?&opt）;
	if?（ret?		printf（“Error?occurred?when?opening?output?file\n“）;
		return?-1;
	}

	return?0;
}
/*?
*?If?the?data?is?video?the?input?is?H264;?
*?If?the?data?is?audio?the?input?is?PCM;
*/
int?RtmpStream::writedata（AVMediaType?datatype?char?*data?int?datalen）
{
	int?ret?=?0;

	if?（AVMEDIA_TYPE_VIDEO?==?datatype）?{
		ret?=?write_video_frame（&video_s

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????11900??2019-08-20?15:36??rtmpstream.cpp

?????文件???????1474??2019-08-20?16:22??rtmpstream.h

?????文件????????438??2019-08-20?16:50??yffmpeg.h

?????文件????????475??2019-08-23?17:07??readme

-----------?---------??----------?-----??----

????????????????14287????????????????????4