Re: [Discuss-gnuradio] itemsize mismatch Error

[Eric Blossom]

On Wed, Jun 16, 2010 at 03:13:30AM +0530, ramanagouda odugoudar wrote:
> Hello, 
> 
>     I am building an application which involves sending data to audio sink. 
> The block ACS_premodulator_vff generates 1024 float samples and 
> audio_alsa_sink accepts 1 float sample . Error is as follows:
> 
> terminate called after throwing an instance of 'std::invalid_argument'
>   what():  itemsize mismatch: ACS_premodulator_vff(2):0 using 4096, 
> audio_alsa_sink(3):0 using 4
> Aborted
> 
> 
> can anyone suggest me how to make alsa_sink accept 1024 float samples ? 
> 
> thanks for the help
> Raman

Use gr.vector_to_stream in front of the alsa sink

  http://gnuradio.org/doc/doxygen/classgr__vector__to__stream.html

Eric