[Libav-user] avformat_find_stream_info fails with rtp

[Dmitry Adjiev]

It can connect when I change payload type.
Anyone?


2014-08-17 9:20 GMT+04:00 Dmitry Adjiev <adjiev.dmitry at gmail.com>:

> I found the reason, it happens because avformat_open_input  set nb_streams
> to 0, but why? ....
>
>
> 2014-08-16 23:33 GMT+04:00 Dmitry Adjiev <adjiev.dmitry at gmail.com>:
>
>>  RtpStream: "could not find codec parameters" reason: "" error code: -110
>>
>>
>> 2014-08-16 23:33 GMT+04:00 Dmitry Adjiev <adjiev.dmitry at gmail.com>:
>>
>> Hello.
>>> Here is my code:
>>>
>>> void RtpStream::stop()
>>> {
>>>     QMutexLocker guard(&mutex_);
>>>     stopped_ = true;
>>> }
>>>
>>> void RtpStream::run()
>>> {
>>>     QMutexLocker guard(&mutex_);
>>>
>>>     if (!ip_.isEmpty()) {
>>>         QSharedPointer<AVInputFormat> fmt
>>> (av_find_input_format(ip_.scheme().toLatin1() ), av_free);
>>>
>>>         if (!fmt) {
>>>             qDebug() << "RtpStream: can't finfd format";
>>>             return;
>>>         }
>>>
>>>         stopped_ = false;
>>>         AVFormatContext *ctx = avformat_alloc_context();
>>>         ctx->interrupt_callback.callback = interruptHandler;
>>>         ctx->interrupt_callback.opaque = this;
>>>         int ret = 0;
>>>
>>>         if (!ctx) {
>>>             qDebug() << "RtpStream: can't alloc context";
>>>             ret = avformat_open_input(&ctx,
>>> ip_.toString().toLatin1().constData(), NULL, NULL);
>>>         } else
>>>             ret = avformat_open_input(&ctx,
>>> ip_.toString().toLatin1().constData(), fmt.data(), NULL);
>>>
>>>         if (ctx)
>>>             sp_fmt_ctx_ = QSharedPointer<AVFormatContext> (ctx,
>>> avformat_free_context);
>>>
>>>         qDebug() << "RtpStream  ret " << ret;
>>>
>>>         if (ret < 0) {
>>>             showErrorString(ret, "RtpStream: can't open file");
>>>             return;
>>>         }
>>>
>>>         //av_format_inject_global_side_data(ctx);
>>>
>>>         ret = avformat_find_stream_info(ctx, NULL);
>>>
>>>         if (ret < 0) {
>>>             showErrorString(ret, "could not find codec parameters");
>>>             return;
>>>         }
>>>
>>>         guard.unlock();
>>>
>>>         while (!stopped_) {
>>>
>>>             qDebug() << "RtpStream: I need to find decoder :-)";
>>>         }
>>>     }
>>>
>>>     else
>>>         qDebug() << "RtpStream: ip number is empty!";
>>> }
>>>
>>> avformat_find_stream_info always fails.
>>> What I do wrong?
>>>
>>> --
>>> Regards,
>>> Dmitry
>>>
>>
>>
>>
>> --
>> Regards,
>> Dmitry
>>
>
>
>
> --
> Regards,
> Dmitry
>



-- 
Regards,
Dmitry
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