#include "VideoProp.hpp"
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extern "C"{
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#include <libavutil/opt.h>
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}
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namespace ffwrapper{
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VideoProp::VideoProp()
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:url_("")
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,transcode_(false)
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,rtsp_tcp_(false)
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,fps_(25)
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,bit_rate_(400)
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,width_(0)
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,height_(0)
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,quality_(3)
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,udp_port_x_(5000)
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,udp_port_y_(65000)
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,gpu_acc_(true)
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,sample_aspect_ratio_(AVRational{0,1})
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{}
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VideoProp::~VideoProp()
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{}
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bool VideoProp::rtspStream(){
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if(url_.find("rtsp://") != 0){
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return false;
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}
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return true;
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}
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AVDictionary* VideoProp::optsFormat(){
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if(url_.find("rtsp://") != 0){
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return NULL;
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}
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AVDictionary *avdic = NULL;
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char option_key2[]="max_delay";
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char option_value2[]="500000";
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av_dict_set(&avdic,option_key2,option_value2,0);
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char option_key1[] = "stimeout";
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char option_value1[] = "500000";
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av_dict_set(&avdic, option_key1, option_value1, 0);
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av_dict_set(&avdic, "buffer_size", "1024000", 0);
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char option_key[]="rtsp_transport";
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if(rtsp_tcp_){
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char option_value[]="tcp";
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av_dict_set(&avdic,option_key,option_value,0);
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}else{
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char option_value[]="udp";
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av_dict_set(&avdic,option_key,option_value,0);
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char opt_key1[] = "min_port";
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av_dict_set_int(&avdic, opt_key1, udp_port_x_,0);
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char opt_key3[] = "max_port";
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av_dict_set_int(&avdic, opt_key3, udp_port_y_,0);
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}
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return avdic;
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}
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std::string VideoProp::preset(){
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char *preset = "veryfast";
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switch(quality_){
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case 1:
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preset = "ultrafast";
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break;
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case 2:
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preset = "superfast";
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break;
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case 3:
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preset = "veryfast";
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break;
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case 4:
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preset = "faster";
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break;
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case 5:
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preset = "fast";
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break;
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case 6:
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preset = "medium";
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break;
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case 7:
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preset = "slow";
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break;
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case 8:
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preset = "slower";
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break;
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case 9:
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preset = "veryslow";
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break;
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default:
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break;
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}
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return preset;
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}
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std::string VideoProp::filter_desc(){
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char spec[64] = {0};
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// snprintf(spec, sizeof(spec),"scale=%d:%d", width_, height_);
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snprintf(spec, sizeof(spec),"fps=fps=%d,scale=%d:%d", fps_, width_, height_);
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// snprintf(spec, sizeof(spec),"fps=fps=%d", fps_);
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return std::string(spec);
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}
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}
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