fill_input_buffer fill_mem_input_buffer init_mem_source init_source INPUT_BUF_SIZE jpeg_mem_src jpeg_stdio_src my_src_ptr skip_input_data term_source

skip_input_data ( j_decompress_ptr  cinfo, long  num_bytes  ) Definition at line 155 of file jdatasrc.c. Referenced by jpeg_mem_src(), and jpeg_stdio_src(). { struct jpeg_source_mgr * src = cinfo->src; /* Just a dumb implementation for now. Could use fseek() except * it doesn't work on pipes. Not clear that being smart is worth * any trouble anyway --- large skips are infrequent. */ if (num_bytes > 0) { while (num_bytes > (long) src->bytes_in_buffer) { num_bytes -= (long) src->bytes_in_buffer; (void) (*src->fill_input_buffer) (cinfo); /* note we assume that fill_input_buffer will never return FALSE, * so suspension need not be handled. */ } src->next_input_byte += (size_t) num_bytes; src->bytes_in_buffer -= (size_t) num_bytes; } }