[Libav-user] avformat_find_stream_info fails with rtp

Dmitry Adjiev adjiev.dmitry at gmail.com
Sat Aug 16 21:33:48 CEST 2014


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
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