[Libav-user] Problem in setting stream side data

[Davood Falahati]

Carl and Mirko,

Thank you for your replies. I resolved the problem by allocating
in_stream->side_data->data

               if(av_stream_get_side_data(in_stream ,
AV_PKT_DATA_DISPLAYMATRIX, sd_size)!=NULL){


                uint8_t* resp=(uint8_t*)
av_mallocz(in_stream->side_data->size+AV_INPUT_BUFFER_MIN_SIZE);

                resp  = av_stream_get_side_data(in_stream ,
AV_PKT_DATA_DISPLAYMATRIX, sd_size);

                in_stream->side_data->data = (uint8_t*) av_mallocz(

                              in_stream->side_data->size*sizeof(uint8_t*)

                              );

                av_stream_add_side_data(out_stream,
AV_PKT_DATA_DISPLAYMATRIX, resp, *sd_size);

                              }

        }

> For real errors as in this case, recompiling and hoping that the

> output is helpful seems much more difficult than running a
> simulator that is known to cover exactly these cases.

You were right Carl.

Regards,
Davood Falahati
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