/*
* receive rtsp header but ignore its message, etc..
* this function is purely for making code more readable.
*
* return value: what rtsp_recv_header returned
* -1 ... failed;
*/
int rtsp_recv_header_ignore_message(struct stream_t *stream)
{
struct rtsp_header_t *rtsp_hdr = NULL;
int ret = 0;
rtsp_hdr = new_rtsp_header();
ret = rtsp_recv_header(stream,rtsp_hdr);
/* if content-length field, get all following data */
if(rtsp_ignore_data_after_header(stream,rtsp_hdr) < 0) {
return -1;
}
free_rtsp_header(rtsp_hdr);
return ret;
}
/*
* send PLAY request
* return value ... what rtsp_recv_header returned
*/
static int real_rtsp_play(struct stream_t *stream)
{
struct rtsp_ctrl_t *rtsp_ctrl = stream->stream_ctrl->rtsp_ctrl;
struct rtsp_header_t *rtsp_hdr = NULL;
char *field = NULL;
int ret = 0;
/*
* Sending part
*/
rtsp_hdr = new_rtsp_header_with_standard_fields(rtsp_ctrl);
if(stream->dlopts->resume_download) {
real_prepare_resuming(stream);
}
if(stream->dlopts->bandwidth) { /* when user specified bandwidth */
char *buffer = (char *)xmalloc(BUFSIZE_1K);
snprintf(buffer,BUFSIZE_1K - 1,
"Bandwidth: %d",stream->dlopts->bandwidth);
rtsp_set_field(rtsp_hdr,buffer);
free(buffer);
}
rtsp_set_range_field(rtsp_hdr,stream->dlopts->range);
rtsp_set_speed_field(rtsp_hdr,stream->dlopts->speed);
rtsp_request_play(rtsp_hdr,rtsp_ctrl->mrl);
rtsp_send_request_and_free(stream,rtsp_hdr);
/*
* Receiving part
*/
/* receive message for PLAY request */
rtsp_hdr = new_rtsp_header();
ret = rtsp_recv_header(stream,rtsp_hdr);
if(!is_rtsp_response_ok(rtsp_hdr->status_code)) {
display(MSDL_ERR,"PLAY request returned: %d (%s)\n",
rtsp_hdr->status_code,rtsp_hdr->reason_phrase);
field = rtsp_get_field(rtsp_hdr,"Alert");
if(field) {
while(*field == ' ') field++;
display(MSDL_ERR,"message from server --> %s\n",field);
}
free_rtsp_header(rtsp_hdr);
goto failed;
}
/* display real speed (might differ from user requested) */
if((field = rtsp_get_field(rtsp_hdr,"Speed")) != NULL) {
if(stream->dlopts->speed) {
while(*field == ' ') field++;
display(MSDL_NOR,"Speed: %s\n",field);
}
}
if((field = rtsp_get_field(rtsp_hdr,"Range")) != NULL) {
if(stream->dlopts->range) {
while(*field == ' ') field++;
display(MSDL_NOR,"Range: %s\n",field);
}
}
/* skip content-length bytes from network */
rtsp_ignore_data_after_header(stream,rtsp_hdr);
free_rtsp_header(rtsp_hdr);
return ret;
failed:
return -1;
}
