<div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div>Hi guys,</div><div><br></div><div>I am trying to implement a activex control using decodebin as rtsp client play, as well as gst-rtsp-server as backend server. </div><div>I want to play rtsp video stream with fast/slow option from the client control, and it needs the support of the rtsp-server. but i cannot find a way to do so. </div><div>i can playback with range option from the control with rtsp server.</div><div><br></div><div>I have dig into the code and find the following information, the range rtsp option (<span style="white-space: pre-wrap;">GST_RTSP_HDR_RANGE）</span> is handled (so the range is workable), but there is no <span style="white-space: pre-wrap;">GST_RTSP_HDR_RATE or </span><span style="white-space: pre-wrap;">GST_RTSP_HDR_SPEED related logical here.</span></div><div><br></div><div><div yne-bulb-block="paragraph" style="white-space: pre-wrap; line-height: 1.75;">..........................</div><div yne-bulb-block="paragraph" style="white-space: pre-wrap; line-height: 1.75;">gst-rtsp-server-1.12.3/gst/rtsp-server/rtsp-client.c</div><div yne-bulb-block="paragraph" style="white-space: pre-wrap; line-height: 1.75;"><br></div><div yne-bulb-block="paragraph" style="white-space: pre-wrap; line-height: 1.75;">gst_rtsp_client_handle_message</div><div yne-bulb-block="paragraph" style="white-space: pre-wrap; line-height: 1.75;"><br></div><div yne-bulb-block="paragraph" style="white-space: pre-wrap; line-height: 1.75;">static gboolean</div><div yne-bulb-block="paragraph" style="white-space: pre-wrap; line-height: 1.75;">handle_play_request (GstRTSPClient * client, GstRTSPContext * ctx)</div><div yne-bulb-block="paragraph" style="white-space: pre-wrap; line-height: 1.75;">{</div><div yne-bulb-block="paragraph" style="white-space: pre-wrap; line-height: 1.75;">.....</div><div yne-bulb-block="paragraph" style="white-space: pre-wrap; line-height: 1.75;"> /* parse the range header if we have one */</div><div yne-bulb-block="paragraph" style="white-space: pre-wrap; line-height: 1.75;"> res = gst_rtsp_message_get_header (ctx->request, GST_RTSP_HDR_RANGE, &str, 0);</div><div yne-bulb-block="paragraph" style="white-space: pre-wrap; line-height: 1.75;"> if (res == GST_RTSP_OK) {</div><div yne-bulb-block="paragraph" style="white-space: pre-wrap; line-height: 1.75;"> if (gst_rtsp_range_parse (str, &range) == GST_RTSP_OK) {</div><div yne-bulb-block="paragraph" style="white-space: pre-wrap; line-height: 1.75;"> GstRTSPMediaStatus media_status;</div><div yne-bulb-block="paragraph" style="white-space: pre-wrap; line-height: 1.75;"><br></div><div yne-bulb-block="paragraph" style="white-space: pre-wrap; line-height: 1.75;"> /* we have a range, seek to the position */</div><div yne-bulb-block="paragraph" style="white-space: pre-wrap; line-height: 1.75;"> unit = range->unit;</div><div yne-bulb-block="paragraph" style="white-space: pre-wrap; line-height: 1.75;"> gst_rtsp_media_seek (media, range);</div><div yne-bulb-block="paragraph" style="white-space: pre-wrap; line-height: 1.75;"> gst_rtsp_range_free (range);</div><div yne-bulb-block="paragraph" style="white-space: pre-wrap; line-height: 1.75;">.....</div></div><div><br></div><div>on the control side, related code as below:</div><div><br></div><div><div><span style="white-space:pre"> </span>gboolean res = FALSE;</div><div><span style="white-space:pre"> </span>gint64 start, stop;</div><div><span style="white-space:pre"> </span>GstEvent *s_event;</div><div><span style="white-space:pre"> </span>gdouble rate = 10.0;</div><div><span style="white-space:pre"> </span>start = 3.0 * GST_SECOND;</div><div><br></div><div><span style="white-space:pre"> </span>GstSeekFlags flags = (GstSeekFlags)(GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE | GST_SEEK_FLAG_SKIP);</div><div><br></div><div><span style="white-space:pre"> </span>s_event = gst_event_new_seek(rate,GST_FORMAT_TIME,flags,GST_SEEK_TYPE_SET, start, GST_SEEK_TYPE_NONE, 0);</div><div><br></div><div><span style="white-space:pre"> </span>res = gst_element_send_event(pipeline, s_event);</div><div><span style="white-space:pre"> </span>if (!res)</div><div><span style="white-space:pre"> </span>g_print("seek failed\n");</div><div><br></div><div><span style="white-space:pre"> </span>gst_element_get_state(pipeline, NULL, NULL, GST_CLOCK_TIME_NONE);</div></div><div><br></div><div><br></div><div><b>so i want to confirm whether or not the gst-rtsp-server supports the trickplay with scale or speed rtsp option?</b></div><div><br></div><div>thanks in advance</div><div>zhi</div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div></div><br><br><span title="neteasefooter"><p> </p></span>