On Thu, 2010-07-22 at 18:26 +0900, Nhat Huy wrote: > My input file points to a ES bitstream, that's why I can not pass a char* > file name to av_open_input_file. > > Any helps will appreciated. > Thanks. > > > > On Thu, Jul 22, 2010 at 6:18 PM, Nhat Huy <[email protected]> wrote: > > > Hi all, > > > > I have a problem with the function av_open_input_file. > > > > As normal , we can use it like this: > > > > if(av_open_input_file(&pFormatCtx, argv[1], NULL, 0, NULL)!=0) > > return -1; // Couldn't open file > > > > My problem is that I can not pass argv[1] into this function, now I have to > > pass a file pointer, which already is opened by fopen in another function. > > > > Can anyone help me with this problem ? I stuck with it. > > > > Best regards, > > Huy. > > > >
Check out how the "pipe" protocol works. Use fileno() to get the file descriptor corresponding to the given FILE*. IIRC you do something like "pipe:<fd>", like "pipe:0" to read from stdin. You could also possibly hack it using named pipes, but I suspect the above method is the easiest. /Tomas
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