[Ffmpeg-devel] wrong value in nb_streams

[Sven Heyll]

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Hi,
has anyone an idea why the nb_streams member in AVFormatContext
contains the value 138368464 instead of a meaningful value( i.e.2)
in the following context?

class AVPacketSource {

public:

...

void open( std::string const& _file_name ) throw (MediaException)
{
// a temporary format context
AVFormatContext *fmt_ctx = 0;
av_register_all();
// dont care what was before this call - reset/close everything
reset();
// try to open the file
if ( av_open_input_file( &fmt_ctx, _file_name.c_str(), 0, 0, 0 ) != 0 ) {
    reset();	
    return ;
}
// try to fill in the stream infos
if ( av_find_stream_info( fmt_ctx ) < 0 ) {
    reset();
    return ;
}
dump_format( fmt_ctx, 0, _file_name.c_str(), false );
^^^^^^^^^^^^ THIS WORKS FINE AND DISPLAYS USEFEUL INFOS

// check if the stream count given makes sense
if ( ( fmt_ctx->nb_streams < 0 ) || ( fmt_ctx->nb_streams >= MAX_STREAMS
) ) {
    reset();
    YLL_THROW( MediaException, "Invalid Stream count!", 0 );
^^^^^^^^^^^^^^^MY PROBLEM: Throws here, fmt_ctx->nb_streams is 138368464
}
}

...

};


Can you please help me? What infos do you need?


greetings,
	Sven Heyll

p.s.: "Hi!" to all members of this list and Thanks alot for ffmpeg!

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