freeswitch mrcp 数据包发送源码分析

    static switch_status_t recog_channel_start(speech_channel_t *schannel)
    {
    switch_status_t status = SWITCH_STATUS_SUCCESS;
    switch_hash_index_t *egk;
    mrcp_message_t *mrcp_message;
    mrcp_recog_header_t *recog_header;
    mrcp_generic_header_t *generic_header;
    recognizer_data_t *r;
    char *start_input_timers;
    const char *mime_type;
    char *key = NULL;
    switch_size_t len;
    grammar_t *grammar = NULL;
    switch_size_t grammar_uri_count = 0;
    switch_size_t grammar_uri_list_len = 0;
    char *grammar_uri_list