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添加最大帧长度参数

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This commit is contained in:
xiongziliang 2020-09-06 17:50:24 +08:00
parent 90622a30fa
commit 9bfbe02f73
2 changed files with 9 additions and 8 deletions
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9
src/Extension/CommonRtp.cpp
View File

@ -10,10 +10,9 @@
#include "CommonRtp.h"
#define MAX_FRAME_SIZE 2 * 1024
CommonRtpDecoder::CommonRtpDecoder(CodecId codec){
CommonRtpDecoder::CommonRtpDecoder(CodecId codec, int max_frame_size ){
_codec = codec;
_max_frame_size = max_frame_size;
obtainFrame();
}
@ -37,7 +36,7 @@ bool CommonRtpDecoder::inputRtp(const RtpPacket::Ptr &rtp, bool){
return false;
}
if (_frame->_dts != rtp->timeStamp || _frame->_buffer.size() > MAX_FRAME_SIZE) {
if (_frame->_dts != rtp->timeStamp || _frame->_buffer.size() > _max_frame_size) {
//时间戳发生变化或者缓存超过MAX_FRAME_SIZE，则清空上帧数据
if (!_frame->_buffer.empty()) {
//有有效帧，则输出
@ -48,7 +47,7 @@ bool CommonRtpDecoder::inputRtp(const RtpPacket::Ptr &rtp, bool){
obtainFrame();
_frame->_dts = rtp->timeStamp;
_drop_flag = false;
} else if (_last_seq != 0 && _last_seq + (uint16_t) 1 != rtp->sequence) {
} else if (_last_seq != 0 && (uint16_t)(_last_seq + 1) != rtp->sequence) {
//时间戳未发生变化，但是seq却不连续，说明中间rtp丢包了，那么整帧应该废弃
WarnL << "rtp丢包:" << _last_seq << " -> " << rtp->sequence;
_drop_flag = true;

8
src/Extension/CommonRtp.h
View File

@ -28,8 +28,9 @@ public:
/**
* 构造函数
* @param codec 编码id
* @param max_frame_size 允许的最大帧大小
*/
CommonRtpDecoder(CodecId codec);
CommonRtpDecoder(CodecId codec, int max_frame_size = 2 * 1024);
/**
* 返回编码类型ID
@ -47,10 +48,11 @@ private:
void obtainFrame();
private:
bool _drop_flag = false;
uint16_t _last_seq = 0;
int _max_frame_size;
CodecId _codec;
FrameImp::Ptr _frame;
uint16_t _last_seq = 0;
bool _drop_flag = false;
};
/**