return AVERROR_PROTOCOL_NOT_FOUND; } 从代码中可以看出,ffurl_alloc()主要调用了2个函数:url_find_protocol()根据文件路径查找合适的URLProtocol,url_alloc_for_protocol()为查找到的URLProtocol创建URLContext。 url_find_protocol() 先来看一下url_find_protocol()函数,定义如下所示。 #define URL_SCHEME_CHA...
UDP协议的结构体ff_udp_protocol的定义如下所示(位于libavformat\udp.c)。 URLProtocol ff_udp_protocol={.name="udp",.url_open=udp_open,.url_read=udp_read,.url_write=udp_write,.url_close=udp_close,.url_get_file_handle=udp_get_file_handle,.priv_data_size=sizeof(UDPContext),.priv_data_cl...
protocol-private options. On return 14. * this parameter will be destroyed and replaced with a dict containing options 15. * that were not found. May be NULL. 16. * @return >= 0 in case of success, a negative value corresponding to an 17. * AVERROR code in case of failure 18. *...
@param int_cb an interrupt callback to be used at the protocols level @param options A dictionary filled with protocol-private options. On return this parameter will be destroyed and replaced with a dict containing options that were not found. May be NULL. @return >= 0 in case of success...
wc->oformat = av_guess_format("webm", s->filename,"video/webm");if(!wc->oformat)returnAVERROR_MUXER_NOT_FOUND; ret = chunk_mux_init(s);if(ret <0)returnret; oc = wc->avf; ret = get_chunk_filename(s,1, oc->filename);if(ret <0)returnret; ...
Androiderror: attributeopen(aka :open) not found. ## 如何解决“Androiderror: attributeopen(aka :open) not found” ### 整体流程 下面是解决这个问题的整体步骤: ```flow st=>start: 开始 op1=>operation: 检查XML布局文件 op2=>operation: 检查属性名拼写 op3=>operation: 清除项目缓存并重新构建 op4...
@param options A dictionary filled with protocol-private options. On return this parameter will be destroyed and replaced with a dict containing options that were not found. May be NULL. @return >= 0 in case of success, a negative value corresponding to an ...
To answer to myself, by changing protocol to RTMP, i do not have avio_open_error. Instead it looks like streaming starts to run, (a lot ot "V/RecordActivity: bufferReadResult: 3584" messages in console) which is message from AudioRecordRunnable. ...
Hi! When streaming rtsp to rtmp I found this exception org.bytedeco.javacv.FrameRecorder$Exception: avio_open2 error() error -5: Could not open 'null' at org.bytedeco.javacv.FFmpegFrameRecorder.startUnsafe(FFmpegFrameRecorder.java:859) a...