bool RTSPServerIFace::_is_valid_stream_id(int stream_id)
{
bool valid =
(stream_id >= 0 && stream_id < Stream::COUNT &&
cgi_server()->param_state().stream[stream_id].enable);
if (!valid)
{
SBL_INFO("ERROR: Invalid stream_id = %d enable = %d", stream_id,
(int)cgi_server()->param_state().stream[stream_id].enable);
}
return valid;
}
/*
* Returns the video encoder bit-rate for the given encoder stream ID.
*
* Returns '-1' if the given stream ID does not exist
*
*/
int RTSPServerIFace::get_bitrate(int stream_id)
{
SBL_INFO("RTSP::get_bitrate() stream_id = %d", stream_id);
if (!_is_valid_stream_id(stream_id))
return -1;
return cgi_server()->param_state().stream[stream_id].bitrate;;
}
int main(int argc, char **argv)
{ const char *tmp = getenv("TMPDIR");
if (tmp)
TMPDIR = tmp;
if (argc < 2)
return cgi_server();
if (argc < 3)
return run_server(atoi(argv[1]));
return run_client(argc, argv);
}
/* Describe a stream - The method is called by the RTSP server every time
* a RTSP DESCRIBE request is received. We should validate the stream ID, and
* return the requested information in the "stream_desc" parameter.
*
* Parameters:
*
* stream_id - stream_id of a valid stream
*
* stream_desc - output stream descriptor
*
* Return:
*
* 0 for success, -1 for errors (if stream_id is incorrect for example)
*/
int RTSPServerIFace::describe(int stream_id, StreamDesc& stream_desc)
{
int error = -1; // By default we assume error
SBL_INFO("RTSP::DESCRIBE request. stream_id = %d", stream_id);
if (!_is_valid_stream_id(stream_id))
{
return error;
}
sdvr_venc_e encoder_type = str_encoder_to_sdk_id(cgi_server()->param_state().stream[stream_id].encoder);
error = 0; // Success return;
switch (encoder_type)
{
case SDVR_VIDEO_ENC_H264:
stream_desc.encoder_type = RTSP::H264;
stream_desc.width = cgi_server()->param_state().stream[stream_id].width;
stream_desc.height = cgi_server()->param_state().stream[stream_id].height;
stream_desc.bitrate = cgi_server()->param_state().stream[stream_id].bitrate;
break;
case SDVR_VIDEO_ENC_JPEG:
stream_desc.encoder_type = RTSP::MJPEG;
stream_desc.quality = cgi_server()->param_state().stream[stream_id].quality;
stream_desc.width = cgi_server()->param_state().stream[stream_id].width;
stream_desc.height = cgi_server()->param_state().stream[stream_id].height;
stream_desc.bitrate = 4500; // kbps, estimate ??
break;
case SDVR_VIDEO_ENC_MPEG4:
stream_desc.encoder_type = RTSP::MPEG4;
stream_desc.width = cgi_server()->param_state().stream[stream_id].width;
stream_desc.height = cgi_server()->param_state().stream[stream_id].height;
stream_desc.bitrate = cgi_server()->param_state().stream[stream_id].bitrate;
break;
default:
error = -1;
stream_desc.encoder_type = RTSP::UNKNOWN_ENCODER;
break;
} // switch (pStreamingChan->streamingChan.video.nVideoCodecType)
return error;
}
