本文在ubuntu编译最新版ijkplayer基础上进行。
参考文章在Ubuntu下编译IjkPlayer，使其支持rtsp格式的播放流

在执行最后一句命令行 ./compile-ijk.sh all之前，需要修改一些东西

1. 首先需要支持rtsp格式的播放流

打开下载下来的ijkplayer文件夹，打开module-lite.sh文件

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添加支持

export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-protocol=rtp"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-protocol=tcp"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-demuxer=rtsp"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-demuxer=sdp"
export COMMON_FF_CFG_FLAGS="$COMMON_FF_CFG_FLAGS --enable-demuxer=rtp"

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2. 修改ff_ffplay.c文件

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/*添加*/
AVDictionary* re_options = NULL;
av_dict_set(&re_options,"buffer_size","1024000",0);
av_dict_set(&re_options,"max_delay","500000",0);
av_dict_set(&re_options,"stimeout","20000000",0);
av_dict_set(&re_options,"rtsp_transport","tcp",0);
//err = avformat_open_input(&ic, is->filename, is->iformat, &ffp->format_opts);
err = avformat_open_input(&ic, is->filename, is->iformat, &re_options);

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/*添加*/
ic->max_analyze_duration = 60 * AV_TIME_BASE;
ic->probesize = 1024000;

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3. 修改ijklivehook.c

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/*
* 引入avutil.h
*/
#include "libavutil/avutil.h"

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 /*
av_dict_set_int(&tmp_opts, "probesize",         avf->probesize, 0);
av_dict_set_int(&tmp_opts, "formatprobesize",   avf->format_probesize, 0);
av_dict_set_int(&tmp_opts, "analyzeduration",   avf->max_analyze_duration, 0);
av_dict_set_int(&tmp_opts, "fpsprobesize",      avf->fps_probe_size, 0);
av_dict_set_int(&tmp_opts, "max_ts_probe",      avf->max_ts_probe, 0);
*/

/*添加*/
AVDictionary* re_options = NULL;
av_dict_set(&re_options,"buffer_size","1024000",0);
av_dict_set(&re_options,"max_delay","500000",0);
av_dict_set(&re_options,"stimeout","20000000",0);
av_dict_set(&re_options,"rtsp_transport","tcp",0);

 /*添加*/
new_avf->max_analyze_duration = 60 * AV_TIME_BASE;
new_avf->probesize = 1024000;

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4. 编译代码

在compile-ijk.sh的文件夹下打开终端，执行命令行./compile-ijk.sh all
等待编译成功。成功后直接使用文件夹中的ijkplayer就好了